/**
 * TypeScript Compiler v0.8.0
 * http://typescriptlang.org
 *
 */

/* *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved. 
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0  
 
THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
MERCHANTABLITY OR NON-INFRINGEMENT. 
 
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */

var TypeScript;
(function (TypeScript) {
    function hasFlag(val, flag) {
        return (val & flag) != 0;
    }
    TypeScript.hasFlag = hasFlag;
    (function (ErrorRecoverySet) {
        ErrorRecoverySet._map = [];
        ErrorRecoverySet.None = 0;
        ErrorRecoverySet.Comma = 1;
        ErrorRecoverySet.SColon = 1 << 1;
        ErrorRecoverySet.Asg = 1 << 2;
        ErrorRecoverySet.BinOp = 1 << 3;
        ErrorRecoverySet.RBrack = 1 << 4;
        ErrorRecoverySet.RCurly = 1 << 5;
        ErrorRecoverySet.RParen = 1 << 6;
        ErrorRecoverySet.Dot = 1 << 7;
        ErrorRecoverySet.Colon = 1 << 8;
        ErrorRecoverySet.PrimType = 1 << 9;
        ErrorRecoverySet.AddOp = 1 << 10;
        ErrorRecoverySet.LCurly = 1 << 11;
        ErrorRecoverySet.PreOp = 1 << 12;
        ErrorRecoverySet.RegExp = 1 << 13;
        ErrorRecoverySet.LParen = 1 << 14;
        ErrorRecoverySet.LBrack = 1 << 15;
        ErrorRecoverySet.Scope = 1 << 16;
        ErrorRecoverySet.In = 1 << 17;
        ErrorRecoverySet.SCase = 1 << 18;
        ErrorRecoverySet.Else = 1 << 19;
        ErrorRecoverySet.Catch = 1 << 20;
        ErrorRecoverySet.Var = 1 << 21;
        ErrorRecoverySet.Stmt = 1 << 22;
        ErrorRecoverySet.While = 1 << 23;
        ErrorRecoverySet.ID = 1 << 24;
        ErrorRecoverySet.Prefix = 1 << 25;
        ErrorRecoverySet.Literal = 1 << 26;
        ErrorRecoverySet.RLit = 1 << 27;
        ErrorRecoverySet.Func = 1 << 28;
        ErrorRecoverySet.EOF = 1 << 29;
        ErrorRecoverySet.TypeScriptS = 1 << 30;
        ErrorRecoverySet.ExprStart = ErrorRecoverySet.SColon | ErrorRecoverySet.AddOp | ErrorRecoverySet.LCurly | ErrorRecoverySet.PreOp | ErrorRecoverySet.RegExp | ErrorRecoverySet.LParen | ErrorRecoverySet.LBrack | ErrorRecoverySet.ID | ErrorRecoverySet.Prefix | ErrorRecoverySet.RLit | ErrorRecoverySet.Func | ErrorRecoverySet.Literal;
        ErrorRecoverySet.StmtStart = ErrorRecoverySet.ExprStart | ErrorRecoverySet.SColon | ErrorRecoverySet.Var | ErrorRecoverySet.Stmt | ErrorRecoverySet.While | ErrorRecoverySet.TypeScriptS;
        ErrorRecoverySet.Postfix = ErrorRecoverySet.Dot | ErrorRecoverySet.LParen | ErrorRecoverySet.LBrack;
    })(TypeScript.ErrorRecoverySet || (TypeScript.ErrorRecoverySet = {}));
    var ErrorRecoverySet = TypeScript.ErrorRecoverySet;

    (function (AllowedElements) {
        AllowedElements._map = [];
        AllowedElements.None = 0;
        AllowedElements.Statements = 1;
        AllowedElements.FunctionDecls = 1 << 1;
        AllowedElements.ModuleDecls = 1 << 2;
        AllowedElements.ClassDecls = 1 << 3;
        AllowedElements.InterfaceDecls = 1 << 4;
        AllowedElements.TypedFuncDecls = 1 << 5;
        AllowedElements.TypedDecls = 1 << 6;
        AllowedElements.TypedFuncSignatures = 1 << 8;
        AllowedElements.TypedSignatures = 1 << 9;
        AllowedElements.AmbientDecls = 1 << 10;
        AllowedElements.Properties = 1 << 11;
        AllowedElements.Block = AllowedElements.Statements | AllowedElements.FunctionDecls | AllowedElements.TypedFuncDecls | AllowedElements.TypedDecls;
        AllowedElements.Global = AllowedElements.Statements | AllowedElements.FunctionDecls | AllowedElements.ModuleDecls | AllowedElements.ClassDecls | AllowedElements.InterfaceDecls | AllowedElements.AmbientDecls;
        AllowedElements.FunctionBody = AllowedElements.Statements | AllowedElements.FunctionDecls;
        AllowedElements.ModuleMembers = AllowedElements.TypedFuncDecls | AllowedElements.FunctionDecls | AllowedElements.ModuleDecls | AllowedElements.ClassDecls | AllowedElements.InterfaceDecls | AllowedElements.TypedDecls | AllowedElements.Statements | AllowedElements.AmbientDecls;
        AllowedElements.ClassMembers = AllowedElements.TypedFuncDecls | AllowedElements.FunctionDecls | AllowedElements.Statements | AllowedElements.TypedDecls | AllowedElements.Properties;
        AllowedElements.InterfaceMembers = AllowedElements.TypedFuncSignatures | AllowedElements.TypedSignatures;
        AllowedElements.QuickParse = AllowedElements.Global | AllowedElements.Properties;
    })(TypeScript.AllowedElements || (TypeScript.AllowedElements = {}));
    var AllowedElements = TypeScript.AllowedElements;

    (function (Modifiers) {
        Modifiers._map = [];
        Modifiers.None = 0;
        Modifiers.Private = 1;
        Modifiers.Public = 1 << 1;
        Modifiers.Readonly = 1 << 2;
        Modifiers.Ambient = 1 << 3;
        Modifiers.Exported = 1 << 4;
        Modifiers.Getter = 1 << 5;
        Modifiers.Setter = 1 << 6;
        Modifiers.Static = 1 << 7;
    })(TypeScript.Modifiers || (TypeScript.Modifiers = {}));
    var Modifiers = TypeScript.Modifiers;

    (function (ASTFlags) {
        ASTFlags._map = [];
        ASTFlags.None = 0;
        ASTFlags.ExplicitSemicolon = 1;
        ASTFlags.AutomaticSemicolon = 1 << 1;
        ASTFlags.Writeable = 1 << 2;
        ASTFlags.Error = 1 << 3;
        ASTFlags.DotLHSPartial = 1 << 4;
        ASTFlags.DotLHS = 1 << 5;
        ASTFlags.IsStatement = 1 << 6;
        ASTFlags.StrictMode = 1 << 7;
        ASTFlags.PossibleOptionalParameter = 1 << 8;
        ASTFlags.ClassBaseConstructorCall = 1 << 9;
        ASTFlags.OptionalName = 1 << 10;
    })(TypeScript.ASTFlags || (TypeScript.ASTFlags = {}));
    var ASTFlags = TypeScript.ASTFlags;

    (function (DeclFlags) {
        DeclFlags._map = [];
        DeclFlags.None = 0;
        DeclFlags.Exported = 1;
        DeclFlags.Private = 1 << 1;
        DeclFlags.Public = 1 << 2;
        DeclFlags.Ambient = 1 << 3;
        DeclFlags.Static = 1 << 4;
        DeclFlags.LocalStatic = 1 << 5;
        DeclFlags.GetAccessor = 1 << 6;
        DeclFlags.SetAccessor = 1 << 7;
    })(TypeScript.DeclFlags || (TypeScript.DeclFlags = {}));
    var DeclFlags = TypeScript.DeclFlags;

    (function (ModuleFlags) {
        ModuleFlags._map = [];
        ModuleFlags.None = 0;
        ModuleFlags.Exported = 1;
        ModuleFlags.Private = 1 << 1;
        ModuleFlags.Public = 1 << 2;
        ModuleFlags.Ambient = 1 << 3;
        ModuleFlags.Static = 1 << 4;
        ModuleFlags.LocalStatic = 1 << 5;
        ModuleFlags.GetAccessor = 1 << 6;
        ModuleFlags.SetAccessor = 1 << 7;
        ModuleFlags.IsEnum = 1 << 8;
        ModuleFlags.ShouldEmitModuleDecl = 1 << 9;
        ModuleFlags.IsWholeFile = 1 << 10;
        ModuleFlags.IsDynamic = 1 << 11;
    })(TypeScript.ModuleFlags || (TypeScript.ModuleFlags = {}));
    var ModuleFlags = TypeScript.ModuleFlags;

    (function (SymbolFlags) {
        SymbolFlags._map = [];
        SymbolFlags.None = 0;
        SymbolFlags.Exported = 1;
        SymbolFlags.Private = 1 << 1;
        SymbolFlags.Public = 1 << 2;
        SymbolFlags.Ambient = 1 << 3;
        SymbolFlags.Static = 1 << 4;
        SymbolFlags.LocalStatic = 1 << 5;
        SymbolFlags.GetAccessor = 1 << 6;
        SymbolFlags.SetAccessor = 1 << 7;
        SymbolFlags.Property = 1 << 8;
        SymbolFlags.Readonly = 1 << 9;
        SymbolFlags.ModuleMember = 1 << 10;
        SymbolFlags.InterfaceMember = 1 << 11;
        SymbolFlags.ClassMember = 1 << 12;
        SymbolFlags.BuiltIn = 1 << 13;
        SymbolFlags.TypeSetDuringScopeAssignment = 1 << 14;
        SymbolFlags.Constant = 1 << 15;
        SymbolFlags.Optional = 1 << 16;
        SymbolFlags.RecursivelyReferenced = 1 << 17;
        SymbolFlags.Bound = 1 << 18;
    })(TypeScript.SymbolFlags || (TypeScript.SymbolFlags = {}));
    var SymbolFlags = TypeScript.SymbolFlags;

    (function (VarFlags) {
        VarFlags._map = [];
        VarFlags.None = 0;
        VarFlags.Exported = 1;
        VarFlags.Private = 1 << 1;
        VarFlags.Public = 1 << 2;
        VarFlags.Ambient = 1 << 3;
        VarFlags.Static = 1 << 4;
        VarFlags.LocalStatic = 1 << 5;
        VarFlags.GetAccessor = 1 << 6;
        VarFlags.SetAccessor = 1 << 7;
        VarFlags.AutoInit = 1 << 8;
        VarFlags.Property = 1 << 9;
        VarFlags.Readonly = 1 << 10;
        VarFlags.Class = 1 << 11;
        VarFlags.ClassProperty = 1 << 12;
        VarFlags.ClassBodyProperty = 1 << 13;
        VarFlags.ClassConstructorProperty = 1 << 14;
        VarFlags.ClassSuperMustBeFirstCallInConstructor = 1 << 15;
        VarFlags.Constant = 1 << 16;
    })(TypeScript.VarFlags || (TypeScript.VarFlags = {}));
    var VarFlags = TypeScript.VarFlags;

    (function (FncFlags) {
        FncFlags._map = [];
        FncFlags.None = 0;
        FncFlags.Exported = 1;
        FncFlags.Private = 1 << 1;
        FncFlags.Public = 1 << 2;
        FncFlags.Ambient = 1 << 3;
        FncFlags.Static = 1 << 4;
        FncFlags.LocalStatic = 1 << 5;
        FncFlags.GetAccessor = 1 << 6;
        FncFlags.SetAccessor = 1 << 7;
        FncFlags.Definition = 1 << 8;
        FncFlags.Signature = 1 << 9;
        FncFlags.Method = 1 << 10;
        FncFlags.HasReturnExpression = 1 << 11;
        FncFlags.CallMember = 1 << 12;
        FncFlags.ConstructMember = 1 << 13;
        FncFlags.HasSelfReference = 1 << 14;
        FncFlags.IsFatArrowFunction = 1 << 15;
        FncFlags.IndexerMember = 1 << 16;
        FncFlags.IsFunctionExpression = 1 << 17;
        FncFlags.ClassMethod = 1 << 18;
        FncFlags.ClassPropertyMethodExported = 1 << 19;
    })(TypeScript.FncFlags || (TypeScript.FncFlags = {}));
    var FncFlags = TypeScript.FncFlags;

    (function (SignatureFlags) {
        SignatureFlags._map = [];
        SignatureFlags.None = 0;
        SignatureFlags.IsIndexer = 1;
        SignatureFlags.IsStringIndexer = 1 << 1;
        SignatureFlags.IsNumberIndexer = 1 << 2;
    })(TypeScript.SignatureFlags || (TypeScript.SignatureFlags = {}));
    var SignatureFlags = TypeScript.SignatureFlags;

                    function ToDeclFlags(fncOrVarOrSymbolOrModuleFlags) {
        return fncOrVarOrSymbolOrModuleFlags;
    }
    TypeScript.ToDeclFlags = ToDeclFlags;
    (function (TypeFlags) {
        TypeFlags._map = [];
        TypeFlags.None = 0;
        TypeFlags.HasImplementation = 1;
        TypeFlags.HasSelfReference = 1 << 1;
        TypeFlags.MergeResult = 1 << 2;
        TypeFlags.IsEnum = 1 << 3;
        TypeFlags.BuildingName = 1 << 4;
        TypeFlags.HasBaseType = 1 << 5;
        TypeFlags.HasBaseTypeOfObject = 1 << 6;
        TypeFlags.IsClass = 1 << 7;
    })(TypeScript.TypeFlags || (TypeScript.TypeFlags = {}));
    var TypeFlags = TypeScript.TypeFlags;

    (function (TypeRelationshipFlags) {
        TypeRelationshipFlags._map = [];
        TypeRelationshipFlags.SuccessfulComparison = 0;
        TypeRelationshipFlags.SourceIsNullTargetIsVoidOrUndefined = 1;
        TypeRelationshipFlags.RequiredPropertyIsMissing = 1 << 1;
        TypeRelationshipFlags.IncompatibleSignatures = 1 << 2;
        TypeRelationshipFlags.SourceSignatureHasTooManyParameters = 3;
        TypeRelationshipFlags.IncompatibleReturnTypes = 1 << 4;
        TypeRelationshipFlags.IncompatiblePropertyTypes = 1 << 5;
        TypeRelationshipFlags.IncompatibleParameterTypes = 1 << 6;
    })(TypeScript.TypeRelationshipFlags || (TypeScript.TypeRelationshipFlags = {}));
    var TypeRelationshipFlags = TypeScript.TypeRelationshipFlags;

    (function (CodeGenTarget) {
        CodeGenTarget._map = [];
        CodeGenTarget.ES3 = 0;
        CodeGenTarget.ES5 = 1;
    })(TypeScript.CodeGenTarget || (TypeScript.CodeGenTarget = {}));
    var CodeGenTarget = TypeScript.CodeGenTarget;

    (function (ModuleGenTarget) {
        ModuleGenTarget._map = [];
        ModuleGenTarget.Synchronous = 0;
        ModuleGenTarget.Asynchronous = 1;
        ModuleGenTarget.Local = 1 << 1;
    })(TypeScript.ModuleGenTarget || (TypeScript.ModuleGenTarget = {}));
    var ModuleGenTarget = TypeScript.ModuleGenTarget;

    TypeScript.codeGenTarget = CodeGenTarget.ES3;
    TypeScript.moduleGenTarget = ModuleGenTarget.Synchronous;
    TypeScript.optimizeModuleCodeGen = true;
    function flagsToString(e, flags) {
        var builder = "";
        for(var i = 1; i < (1 << 31); i = i << 1) {
            if((flags & i) != 0) {
                for(var k in e) {
                    if(e[k] == i) {
                        if(builder.length > 0) {
                            builder += "|";
                        }
                        builder += k;
                        break;
                    }
                }
            }
        }
        return builder;
    }
    TypeScript.flagsToString = flagsToString;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    (function (NodeType) {
        NodeType._map = [];
        NodeType._map[0] = "None";
        NodeType.None = 0;
        NodeType._map[1] = "Empty";
        NodeType.Empty = 1;
        NodeType._map[2] = "EmptyExpr";
        NodeType.EmptyExpr = 2;
        NodeType._map[3] = "True";
        NodeType.True = 3;
        NodeType._map[4] = "False";
        NodeType.False = 4;
        NodeType._map[5] = "This";
        NodeType.This = 5;
        NodeType._map[6] = "Super";
        NodeType.Super = 6;
        NodeType._map[7] = "QString";
        NodeType.QString = 7;
        NodeType._map[8] = "Regex";
        NodeType.Regex = 8;
        NodeType._map[9] = "Null";
        NodeType.Null = 9;
        NodeType._map[10] = "ArrayLit";
        NodeType.ArrayLit = 10;
        NodeType._map[11] = "ObjectLit";
        NodeType.ObjectLit = 11;
        NodeType._map[12] = "Void";
        NodeType.Void = 12;
        NodeType._map[13] = "Comma";
        NodeType.Comma = 13;
        NodeType._map[14] = "Pos";
        NodeType.Pos = 14;
        NodeType._map[15] = "Neg";
        NodeType.Neg = 15;
        NodeType._map[16] = "Delete";
        NodeType.Delete = 16;
        NodeType._map[17] = "Await";
        NodeType.Await = 17;
        NodeType._map[18] = "In";
        NodeType.In = 18;
        NodeType._map[19] = "Dot";
        NodeType.Dot = 19;
        NodeType._map[20] = "From";
        NodeType.From = 20;
        NodeType._map[21] = "Is";
        NodeType.Is = 21;
        NodeType._map[22] = "InstOf";
        NodeType.InstOf = 22;
        NodeType._map[23] = "Typeof";
        NodeType.Typeof = 23;
        NodeType._map[24] = "NumberLit";
        NodeType.NumberLit = 24;
        NodeType._map[25] = "Name";
        NodeType.Name = 25;
        NodeType._map[26] = "TypeRef";
        NodeType.TypeRef = 26;
        NodeType._map[27] = "Index";
        NodeType.Index = 27;
        NodeType._map[28] = "Call";
        NodeType.Call = 28;
        NodeType._map[29] = "New";
        NodeType.New = 29;
        NodeType._map[30] = "Asg";
        NodeType.Asg = 30;
        NodeType._map[31] = "AsgAdd";
        NodeType.AsgAdd = 31;
        NodeType._map[32] = "AsgSub";
        NodeType.AsgSub = 32;
        NodeType._map[33] = "AsgDiv";
        NodeType.AsgDiv = 33;
        NodeType._map[34] = "AsgMul";
        NodeType.AsgMul = 34;
        NodeType._map[35] = "AsgMod";
        NodeType.AsgMod = 35;
        NodeType._map[36] = "AsgAnd";
        NodeType.AsgAnd = 36;
        NodeType._map[37] = "AsgXor";
        NodeType.AsgXor = 37;
        NodeType._map[38] = "AsgOr";
        NodeType.AsgOr = 38;
        NodeType._map[39] = "AsgLsh";
        NodeType.AsgLsh = 39;
        NodeType._map[40] = "AsgRsh";
        NodeType.AsgRsh = 40;
        NodeType._map[41] = "AsgRs2";
        NodeType.AsgRs2 = 41;
        NodeType._map[42] = "QMark";
        NodeType.QMark = 42;
        NodeType._map[43] = "LogOr";
        NodeType.LogOr = 43;
        NodeType._map[44] = "LogAnd";
        NodeType.LogAnd = 44;
        NodeType._map[45] = "Or";
        NodeType.Or = 45;
        NodeType._map[46] = "Xor";
        NodeType.Xor = 46;
        NodeType._map[47] = "And";
        NodeType.And = 47;
        NodeType._map[48] = "Eq";
        NodeType.Eq = 48;
        NodeType._map[49] = "Ne";
        NodeType.Ne = 49;
        NodeType._map[50] = "Eqv";
        NodeType.Eqv = 50;
        NodeType._map[51] = "NEqv";
        NodeType.NEqv = 51;
        NodeType._map[52] = "Lt";
        NodeType.Lt = 52;
        NodeType._map[53] = "Le";
        NodeType.Le = 53;
        NodeType._map[54] = "Gt";
        NodeType.Gt = 54;
        NodeType._map[55] = "Ge";
        NodeType.Ge = 55;
        NodeType._map[56] = "Add";
        NodeType.Add = 56;
        NodeType._map[57] = "Sub";
        NodeType.Sub = 57;
        NodeType._map[58] = "Mul";
        NodeType.Mul = 58;
        NodeType._map[59] = "Div";
        NodeType.Div = 59;
        NodeType._map[60] = "Mod";
        NodeType.Mod = 60;
        NodeType._map[61] = "Lsh";
        NodeType.Lsh = 61;
        NodeType._map[62] = "Rsh";
        NodeType.Rsh = 62;
        NodeType._map[63] = "Rs2";
        NodeType.Rs2 = 63;
        NodeType._map[64] = "Not";
        NodeType.Not = 64;
        NodeType._map[65] = "LogNot";
        NodeType.LogNot = 65;
        NodeType._map[66] = "IncPre";
        NodeType.IncPre = 66;
        NodeType._map[67] = "DecPre";
        NodeType.DecPre = 67;
        NodeType._map[68] = "IncPost";
        NodeType.IncPost = 68;
        NodeType._map[69] = "DecPost";
        NodeType.DecPost = 69;
        NodeType._map[70] = "TypeAssertion";
        NodeType.TypeAssertion = 70;
        NodeType._map[71] = "FuncDecl";
        NodeType.FuncDecl = 71;
        NodeType._map[72] = "Member";
        NodeType.Member = 72;
        NodeType._map[73] = "VarDecl";
        NodeType.VarDecl = 73;
        NodeType._map[74] = "ArgDecl";
        NodeType.ArgDecl = 74;
        NodeType._map[75] = "Return";
        NodeType.Return = 75;
        NodeType._map[76] = "Break";
        NodeType.Break = 76;
        NodeType._map[77] = "Continue";
        NodeType.Continue = 77;
        NodeType._map[78] = "Throw";
        NodeType.Throw = 78;
        NodeType._map[79] = "For";
        NodeType.For = 79;
        NodeType._map[80] = "ForIn";
        NodeType.ForIn = 80;
        NodeType._map[81] = "If";
        NodeType.If = 81;
        NodeType._map[82] = "While";
        NodeType.While = 82;
        NodeType._map[83] = "DoWhile";
        NodeType.DoWhile = 83;
        NodeType._map[84] = "Block";
        NodeType.Block = 84;
        NodeType._map[85] = "Case";
        NodeType.Case = 85;
        NodeType._map[86] = "Switch";
        NodeType.Switch = 86;
        NodeType._map[87] = "Try";
        NodeType.Try = 87;
        NodeType._map[88] = "TryCatch";
        NodeType.TryCatch = 88;
        NodeType._map[89] = "TryFinally";
        NodeType.TryFinally = 89;
        NodeType._map[90] = "Finally";
        NodeType.Finally = 90;
        NodeType._map[91] = "Catch";
        NodeType.Catch = 91;
        NodeType._map[92] = "List";
        NodeType.List = 92;
        NodeType._map[93] = "Script";
        NodeType.Script = 93;
        NodeType._map[94] = "Class";
        NodeType.Class = 94;
        NodeType._map[95] = "Interface";
        NodeType.Interface = 95;
        NodeType._map[96] = "Module";
        NodeType.Module = 96;
        NodeType._map[97] = "Import";
        NodeType.Import = 97;
        NodeType._map[98] = "With";
        NodeType.With = 98;
        NodeType._map[99] = "Label";
        NodeType.Label = 99;
        NodeType._map[100] = "LabeledStatement";
        NodeType.LabeledStatement = 100;
        NodeType._map[101] = "EBStart";
        NodeType.EBStart = 101;
        NodeType._map[102] = "GotoEB";
        NodeType.GotoEB = 102;
        NodeType._map[103] = "EndCode";
        NodeType.EndCode = 103;
        NodeType._map[104] = "Error";
        NodeType.Error = 104;
        NodeType._map[105] = "Comment";
        NodeType.Comment = 105;
        NodeType._map[106] = "Debugger";
        NodeType.Debugger = 106;
        NodeType.GeneralNode = NodeType.FuncDecl;
        NodeType.LastAsg = NodeType.AsgRs2;
    })(TypeScript.NodeType || (TypeScript.NodeType = {}));
    var NodeType = TypeScript.NodeType;

})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var BlockIntrinsics = (function () {
        function BlockIntrinsics() {
            this.prototype = undefined;
            this.toString = undefined;
            this.toLocaleString = undefined;
            this.valueOf = undefined;
            this.hasOwnProperty = undefined;
            this.propertyIsEnumerable = undefined;
            this.isPrototypeOf = undefined;
            this["constructor"] = undefined;
        }
        return BlockIntrinsics;
    })();
    TypeScript.BlockIntrinsics = BlockIntrinsics;    
    var StringHashTable = (function () {
        function StringHashTable() {
            this.itemCount = 0;
            this.table = (new BlockIntrinsics());
        }
        StringHashTable.prototype.getAllKeys = function () {
            var result = [];
            for(var k in this.table) {
                if(this.table[k] != undefined) {
                    result[result.length] = k;
                }
            }
            return result;
        };
        StringHashTable.prototype.add = function (key, data) {
            if(this.table[key] != undefined) {
                return false;
            }
            this.table[key] = data;
            this.itemCount++;
            return true;
        };
        StringHashTable.prototype.addOrUpdate = function (key, data) {
            if(this.table[key] != undefined) {
                this.table[key] = data;
                return false;
            }
            this.table[key] = data;
            this.itemCount++;
            return true;
        };
        StringHashTable.prototype.map = function (fn, context) {
            for(var k in this.table) {
                var data = this.table[k];
                if(data != undefined) {
                    fn(k, this.table[k], context);
                }
            }
        };
        StringHashTable.prototype.every = function (fn, context) {
            for(var k in this.table) {
                var data = this.table[k];
                if(data != undefined) {
                    if(!fn(k, this.table[k], context)) {
                        return false;
                    }
                }
            }
            return true;
        };
        StringHashTable.prototype.some = function (fn, context) {
            for(var k in this.table) {
                var data = this.table[k];
                if(data != undefined) {
                    if(fn(k, this.table[k], context)) {
                        return true;
                    }
                }
            }
            return false;
        };
        StringHashTable.prototype.count = function () {
            return this.itemCount;
        };
        StringHashTable.prototype.lookup = function (key) {
            var data = this.table[key];
            if(data != undefined) {
                return data;
            } else {
                return (null);
            }
        };
        return StringHashTable;
    })();
    TypeScript.StringHashTable = StringHashTable;    
    var DualStringHashTable = (function () {
        function DualStringHashTable(primaryTable, secondaryTable) {
            this.primaryTable = primaryTable;
            this.secondaryTable = secondaryTable;
            this.insertPrimary = true;
        }
        DualStringHashTable.prototype.getAllKeys = function () {
            return this.primaryTable.getAllKeys().concat(this.secondaryTable.getAllKeys());
        };
        DualStringHashTable.prototype.add = function (key, data) {
            if(this.insertPrimary) {
                return this.primaryTable.add(key, data);
            } else {
                return this.secondaryTable.add(key, data);
            }
        };
        DualStringHashTable.prototype.addOrUpdate = function (key, data) {
            if(this.insertPrimary) {
                return this.primaryTable.addOrUpdate(key, data);
            } else {
                return this.secondaryTable.addOrUpdate(key, data);
            }
        };
        DualStringHashTable.prototype.map = function (fn, context) {
            this.primaryTable.map(fn, context);
            this.secondaryTable.map(fn, context);
        };
        DualStringHashTable.prototype.every = function (fn, context) {
            return this.primaryTable.every(fn, context) && this.secondaryTable.every(fn, context);
        };
        DualStringHashTable.prototype.some = function (fn, context) {
            return this.primaryTable.some(fn, context) || this.secondaryTable.some(fn, context);
        };
        DualStringHashTable.prototype.count = function () {
            return this.primaryTable.count() + this.secondaryTable.count();
        };
        DualStringHashTable.prototype.lookup = function (key) {
            var data = this.primaryTable.lookup(key);
            if(data != undefined) {
                return data;
            } else {
                return this.secondaryTable.lookup(key);
            }
        };
        return DualStringHashTable;
    })();
    TypeScript.DualStringHashTable = DualStringHashTable;    
    function numberHashFn(key) {
        var c2 = 668265261;
        key = (key ^ 61) ^ (key >>> 16);
        key = key + (key << 3);
        key = key ^ (key >>> 4);
        key = key * c2;
        key = key ^ (key >>> 15);
        return key;
    }
    TypeScript.numberHashFn = numberHashFn;
    function combineHashes(key1, key2) {
        return key2 ^ ((key1 >> 5) + key1);
    }
    TypeScript.combineHashes = combineHashes;
    var HashEntry = (function () {
        function HashEntry(key, data) {
            this.key = key;
            this.data = data;
        }
        return HashEntry;
    })();
    TypeScript.HashEntry = HashEntry;    
    var HashTable = (function () {
        function HashTable(size, hashFn, equalsFn) {
            this.size = size;
            this.hashFn = hashFn;
            this.equalsFn = equalsFn;
            this.itemCount = 0;
            this.table = new Array();
            for(var i = 0; i < this.size; i++) {
                this.table[i] = null;
            }
        }
        HashTable.prototype.add = function (key, data) {
            var current;
            var entry = new HashEntry(key, data);
            var val = this.hashFn(key);
            val = val % this.size;
            for(current = this.table[val]; current != null; current = current.next) {
                if(this.equalsFn(key, current.key)) {
                    return false;
                }
            }
            entry.next = this.table[val];
            this.table[val] = entry;
            this.itemCount++;
            return true;
        };
        HashTable.prototype.remove = function (key) {
            var current;
            var val = this.hashFn(key);
            val = val % this.size;
            var result = null;
            var prevEntry = null;
            for(current = this.table[val]; current != null; current = current.next) {
                if(this.equalsFn(key, current.key)) {
                    result = current.data;
                    this.itemCount--;
                    if(prevEntry) {
                        prevEntry.next = current.next;
                    } else {
                        this.table[val] = current.next;
                    }
                    break;
                }
                prevEntry = current;
            }
            return result;
        };
        HashTable.prototype.count = function () {
            return this.itemCount;
        };
        HashTable.prototype.lookup = function (key) {
            var current;
            var val = this.hashFn(key);
            val = val % this.size;
            for(current = this.table[val]; current != null; current = current.next) {
                if(this.equalsFn(key, current.key)) {
                    return (current.data);
                }
            }
            return (null);
        };
        return HashTable;
    })();
    TypeScript.HashTable = HashTable;    
})(TypeScript || (TypeScript = {}));

var __extends = this.__extends || function (d, b) {
    function __() { this.constructor = d; }
    __.prototype = b.prototype;
    d.prototype = new __();
}
var TypeScript;
(function (TypeScript) {
    var AST = (function () {
        function AST(nodeType) {
            this.nodeType = nodeType;
            this.type = null;
            this.flags = TypeScript.ASTFlags.Writeable;
            this.minChar = -1;
            this.limChar = -1;
            this.passCreated = TypeScript.CompilerDiagnostics.analysisPass;
            this.preComments = null;
            this.postComments = null;
            this.isParenthesized = false;
        }
        AST.prototype.isStatementOrExpression = function () {
            return false;
        };
        AST.prototype.isCompoundStatement = function () {
            return false;
        };
        AST.prototype.isLeaf = function () {
            return this.isStatementOrExpression() && (!this.isCompoundStatement());
        };
        AST.prototype.typeCheck = function (typeFlow) {
            switch(this.nodeType) {
                case TypeScript.NodeType.Error:
                case TypeScript.NodeType.EmptyExpr: {
                    this.type = typeFlow.anyType;
                    break;

                }
                case TypeScript.NodeType.This: {
                    return typeFlow.typeCheckThis(this);

                }
                case TypeScript.NodeType.Null: {
                    this.type = typeFlow.nullType;
                    break;

                }
                case TypeScript.NodeType.False:
                case TypeScript.NodeType.True: {
                    this.type = typeFlow.booleanType;
                    break;

                }
                case TypeScript.NodeType.Super: {
                    return typeFlow.typeCheckSuper(this);

                }
                case TypeScript.NodeType.EndCode:
                case TypeScript.NodeType.Empty:
                case TypeScript.NodeType.Void: {
                    this.type = typeFlow.voidType;
                    break;

                }
                default: {
                    throw new Error("please implement in derived class");

                }
            }
            return this;
        };
        AST.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            switch(this.nodeType) {
                case TypeScript.NodeType.This: {
                    if(emitter.thisFnc && (TypeScript.hasFlag(emitter.thisFnc.fncFlags, TypeScript.FncFlags.IsFatArrowFunction))) {
                        emitter.writeToOutput("_this");
                    } else {
                        emitter.writeToOutput("this");
                    }
                    break;

                }
                case TypeScript.NodeType.Null: {
                    emitter.writeToOutput("null");
                    break;

                }
                case TypeScript.NodeType.False: {
                    emitter.writeToOutput("false");
                    break;

                }
                case TypeScript.NodeType.True: {
                    emitter.writeToOutput("true");
                    break;

                }
                case TypeScript.NodeType.Super: {
                    emitter.emitSuperReference();

                }
                case TypeScript.NodeType.EndCode: {
                    break;

                }
                case TypeScript.NodeType.Error:
                case TypeScript.NodeType.EmptyExpr: {
                    break;

                }
                case TypeScript.NodeType.Empty: {
                    emitter.writeToOutput("; ");
                    break;

                }
                case TypeScript.NodeType.Void: {
                    emitter.writeToOutput("void ");
                    break;

                }
                default: {
                    throw new Error("please implement in derived class");

                }
            }
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        AST.prototype.print = function (context) {
            context.startLine();
            var lineCol = {
                line: -1,
                col: -1
            };
            var limLineCol = {
                line: -1,
                col: -1
            };
            if(context.parser !== null) {
                context.parser.getSourceLineCol(lineCol, this.minChar);
                context.parser.getSourceLineCol(limLineCol, this.limChar);
                context.write("(" + lineCol.line + "," + lineCol.col + ")--" + "(" + limLineCol.line + "," + limLineCol.col + "): ");
            }
            var lab = this.printLabel();
            if(TypeScript.hasFlag(this.flags, TypeScript.ASTFlags.Error)) {
                lab += " (Error)";
            }
            context.writeLine(lab);
        };
        AST.prototype.printLabel = function () {
            if(TypeScript.nodeTypeTable[this.nodeType] !== undefined) {
                return TypeScript.nodeTypeTable[this.nodeType];
            } else {
                return (TypeScript.NodeType)._map[this.nodeType];
            }
        };
        AST.prototype.addToControlFlow = function (context) {
            context.walker.options.goChildren = false;
            context.addContent(this);
        };
        AST.prototype.netFreeUses = function (container, freeUses) {
        };
        AST.prototype.treeViewLabel = function () {
            return (TypeScript.NodeType)._map[this.nodeType];
        };
        return AST;
    })();
    TypeScript.AST = AST;    
    var IncompleteAST = (function (_super) {
        __extends(IncompleteAST, _super);
        function IncompleteAST(min, lim) {
                _super.call(this, TypeScript.NodeType.Error);
            this.minChar = min;
            this.limChar = lim;
        }
        return IncompleteAST;
    })(AST);
    TypeScript.IncompleteAST = IncompleteAST;    
    var ASTList = (function (_super) {
        __extends(ASTList, _super);
        function ASTList() {
                _super.call(this, TypeScript.NodeType.List);
            this.enclosingScope = null;
            this.members = new Array();
        }
        ASTList.prototype.addToControlFlow = function (context) {
            var len = this.members.length;
            for(var i = 0; i < len; i++) {
                if(context.noContinuation) {
                    context.addUnreachable(this.members[i]);
                    break;
                } else {
                    this.members[i] = context.walk(this.members[i], this);
                }
            }
            context.walker.options.goChildren = false;
        };
        ASTList.prototype.append = function (ast) {
            this.members[this.members.length] = ast;
            return this;
        };
        ASTList.prototype.appendAll = function (ast) {
            if(ast.nodeType == TypeScript.NodeType.List) {
                var list = ast;
                for(var i = 0, len = list.members.length; i < len; i++) {
                    this.append(list.members[i]);
                }
            } else {
                this.append(ast);
            }
            return this;
        };
        ASTList.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitJavascriptList(this, null, TypeScript.TokenID.SColon, startLine, false, false, writeDeclFile);
        };
        ASTList.prototype.typeCheck = function (typeFlow) {
            var len = this.members.length;
            typeFlow.nestingLevel++;
            for(var i = 0; i < len; i++) {
                if(this.members[i]) {
                    this.members[i] = this.members[i].typeCheck(typeFlow);
                }
            }
            typeFlow.nestingLevel--;
            return this;
        };
        return ASTList;
    })(AST);
    TypeScript.ASTList = ASTList;    
    var Identifier = (function (_super) {
        __extends(Identifier, _super);
        function Identifier(text) {
                _super.call(this, TypeScript.NodeType.Name);
            this.text = text;
            this.sym = null;
            this.cloId = -1;
        }
        Identifier.prototype.isMissing = function () {
            return false;
        };
        Identifier.prototype.isLeaf = function () {
            return true;
        };
        Identifier.prototype.treeViewLabel = function () {
            return "id: " + this.text;
        };
        Identifier.prototype.printLabel = function () {
            if(this.text) {
                return "id: " + this.text;
            } else {
                return "name node";
            }
        };
        Identifier.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckName(this);
        };
        Identifier.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitJavascriptName(this, true);
        };
        return Identifier;
    })(AST);
    TypeScript.Identifier = Identifier;    
    var MissingIdentifier = (function (_super) {
        __extends(MissingIdentifier, _super);
        function MissingIdentifier() {
                _super.call(this, "__missing");
        }
        MissingIdentifier.prototype.isMissing = function () {
            return true;
        };
        MissingIdentifier.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
        };
        return MissingIdentifier;
    })(Identifier);
    TypeScript.MissingIdentifier = MissingIdentifier;    
    var Label = (function (_super) {
        __extends(Label, _super);
        function Label(id) {
                _super.call(this, TypeScript.NodeType.Label);
            this.id = id;
        }
        Label.prototype.printLabel = function () {
            return this.id.text + ":";
        };
        Label.prototype.typeCheck = function (typeFlow) {
            this.type = typeFlow.voidType;
            return this;
        };
        Label.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            emitter.writeLineToOutput(this.id.text + ":");
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        return Label;
    })(AST);
    TypeScript.Label = Label;    
    var UnaryExpression = (function (_super) {
        __extends(UnaryExpression, _super);
        function UnaryExpression(nty, operand) {
                _super.call(this, nty);
            this.operand = operand;
            this.targetType = null;
            this.castTerm = null;
            this.nty = nty;
        }
        UnaryExpression.prototype.isStatementOrExpression = function () {
            return true;
        };
        UnaryExpression.prototype.addToControlFlow = function (context) {
            _super.prototype.addToControlFlow.call(this, context);
            if(this.nodeType == TypeScript.NodeType.Throw) {
                context.returnStmt();
            }
        };
        UnaryExpression.prototype.typeCheck = function (typeFlow) {
            switch(this.nty) {
                case TypeScript.NodeType.Not: {
                    return typeFlow.typeCheckBitNot(this);

                }
                case TypeScript.NodeType.LogNot: {
                    return typeFlow.typeCheckLogNot(this);

                }
                case TypeScript.NodeType.Pos:
                case TypeScript.NodeType.Neg: {
                    return typeFlow.typeCheckUnaryNumberOperator(this);

                }
                case TypeScript.NodeType.IncPost:
                case TypeScript.NodeType.IncPre:
                case TypeScript.NodeType.DecPost:
                case TypeScript.NodeType.DecPre: {
                    return typeFlow.typeCheckIncOrDec(this);

                }
                case TypeScript.NodeType.ArrayLit: {
                    typeFlow.typeCheckArrayLit(this);
                    return this;

                }
                case TypeScript.NodeType.ObjectLit: {
                    typeFlow.typeCheckObjectLit(this);
                    return this;

                }
                case TypeScript.NodeType.Throw: {
                    this.operand = typeFlow.typeCheck(this.operand);
                    this.type = typeFlow.voidType;
                    return this;

                }
                case TypeScript.NodeType.Typeof: {
                    this.operand = typeFlow.typeCheck(this.operand);
                    this.type = typeFlow.stringType;
                    return this;

                }
                case TypeScript.NodeType.Delete: {
                    this.operand = typeFlow.typeCheck(this.operand);
                    this.type = typeFlow.booleanType;
                    break;

                }
                case TypeScript.NodeType.TypeAssertion: {
                    this.castTerm = typeFlow.typeCheck(this.castTerm);
                    var applyTargetType = !this.operand.isParenthesized;
                    var targetType = applyTargetType ? this.castTerm.type : null;
                    typeFlow.checker.typeCheckWithContextualType(targetType, typeFlow.checker.inProvisionalTypecheckMode(), true, this.operand);
                    typeFlow.castWithCoercion(this.operand, this.castTerm.type, false, true);
                    this.type = this.castTerm.type;
                    return this;

                }
                case TypeScript.NodeType.Void: {
                    this.operand = typeFlow.typeCheck(this.operand);
                    this.type = typeFlow.checker.undefinedType;
                    break;

                }
                default: {
                    throw new Error("please implement in derived class");

                }
            }
            return this;
        };
        UnaryExpression.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            switch(this.nty) {
                case TypeScript.NodeType.IncPost: {
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Inc, false);
                    emitter.writeToOutput("++");
                    break;

                }
                case TypeScript.NodeType.LogNot: {
                    emitter.writeToOutput("!");
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Bang, false);
                    break;

                }
                case TypeScript.NodeType.DecPost: {
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Dec, false);
                    emitter.writeToOutput("--");
                    break;

                }
                case TypeScript.NodeType.ObjectLit: {
                    emitter.emitObjectLiteral(this.operand);
                    break;

                }
                case TypeScript.NodeType.ArrayLit: {
                    emitter.emitArrayLiteral(this.operand);
                    break;

                }
                case TypeScript.NodeType.Not: {
                    emitter.writeToOutput("~");
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                    break;

                }
                case TypeScript.NodeType.Neg: {
                    emitter.writeToOutput("-");
                    if(this.operand.nodeType == TypeScript.NodeType.Neg) {
                        this.operand.isParenthesized = true;
                    }
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Sub, false);
                    break;

                }
                case TypeScript.NodeType.Pos: {
                    emitter.writeToOutput("+");
                    if(this.operand.nodeType == TypeScript.NodeType.Pos) {
                        this.operand.isParenthesized = true;
                    }
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Add, false);
                    break;

                }
                case TypeScript.NodeType.IncPre: {
                    emitter.writeToOutput("++");
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Inc, false);
                    break;

                }
                case TypeScript.NodeType.DecPre: {
                    emitter.writeToOutput("--");
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Dec, false);
                    break;

                }
                case TypeScript.NodeType.Throw: {
                    emitter.writeToOutput("throw ");
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                    emitter.writeToOutput(";");
                    break;

                }
                case TypeScript.NodeType.Typeof: {
                    emitter.writeToOutput("typeof ");
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                    break;

                }
                case TypeScript.NodeType.Delete: {
                    emitter.writeToOutput("delete ");
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                    break;

                }
                case TypeScript.NodeType.Void: {
                    emitter.writeToOutput("void ");
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                    break;

                }
                case TypeScript.NodeType.TypeAssertion: {
                    emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                    break;

                }
                default: {
                    throw new Error("please implement in derived class");

                }
            }
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        return UnaryExpression;
    })(AST);
    TypeScript.UnaryExpression = UnaryExpression;    
    var CallExpression = (function (_super) {
        __extends(CallExpression, _super);
        function CallExpression(nty, target, args) {
                _super.call(this, nty);
            this.target = target;
            this.args = args;
            this.signature = null;
            this.nty = nty;
            this.minChar = this.target.minChar;
        }
        CallExpression.prototype.isStatementOrExpression = function () {
            return true;
        };
        CallExpression.prototype.typeCheck = function (typeFlow) {
            if(this.nty == TypeScript.NodeType.New) {
                return typeFlow.typeCheckNew(this);
            } else {
                return typeFlow.typeCheckCall(this);
            }
        };
        CallExpression.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            if(this.nty == TypeScript.NodeType.New) {
                emitter.emitNew(this.target, this.args);
            } else {
                emitter.emitCall(this, this.target, this.args);
            }
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        return CallExpression;
    })(AST);
    TypeScript.CallExpression = CallExpression;    
    var BinaryExpression = (function (_super) {
        __extends(BinaryExpression, _super);
        function BinaryExpression(nty, operand1, operand2) {
                _super.call(this, nty);
            this.operand1 = operand1;
            this.operand2 = operand2;
            this.nty = nty;
        }
        BinaryExpression.prototype.isStatementOrExpression = function () {
            return true;
        };
        BinaryExpression.prototype.typeCheck = function (typeFlow) {
            switch(this.nty) {
                case TypeScript.NodeType.Dot: {
                    return typeFlow.typeCheckDotOperator(this);

                }
                case TypeScript.NodeType.Asg: {
                    return typeFlow.typeCheckAsgOperator(this);

                }
                case TypeScript.NodeType.Add:
                case TypeScript.NodeType.Sub:
                case TypeScript.NodeType.Mul:
                case TypeScript.NodeType.Div:
                case TypeScript.NodeType.Mod:
                case TypeScript.NodeType.Or:
                case TypeScript.NodeType.And: {
                    return typeFlow.typeCheckArithmeticOperator(this, false);

                }
                case TypeScript.NodeType.Xor: {
                    return typeFlow.typeCheckBitwiseOperator(this, false);

                }
                case TypeScript.NodeType.Ne:
                case TypeScript.NodeType.Eq: {
                    var text;
                    if(typeFlow.checker.styleSettings.eqeqeq) {
                        text = TypeScript.nodeTypeTable[this.nty];
                        typeFlow.checker.errorReporter.styleError(this, "use of " + text);
                    } else {
                        if(typeFlow.checker.styleSettings.eqnull) {
                            text = TypeScript.nodeTypeTable[this.nty];
                            if((this.operand2 !== null) && (this.operand2.nodeType == TypeScript.NodeType.Null)) {
                                typeFlow.checker.errorReporter.styleError(this, "use of " + text + " to compare with null");
                            }
                        }
                    }

                }
                case TypeScript.NodeType.Eqv:
                case TypeScript.NodeType.NEqv:
                case TypeScript.NodeType.Lt:
                case TypeScript.NodeType.Le:
                case TypeScript.NodeType.Ge:
                case TypeScript.NodeType.Gt: {
                    return typeFlow.typeCheckBooleanOperator(this);

                }
                case TypeScript.NodeType.Index: {
                    return typeFlow.typeCheckIndex(this);

                }
                case TypeScript.NodeType.Member: {
                    this.type = typeFlow.voidType;
                    return this;

                }
                case TypeScript.NodeType.LogOr: {
                    return typeFlow.typeCheckLogOr(this);

                }
                case TypeScript.NodeType.LogAnd: {
                    return typeFlow.typeCheckLogAnd(this);

                }
                case TypeScript.NodeType.AsgAdd:
                case TypeScript.NodeType.AsgSub:
                case TypeScript.NodeType.AsgMul:
                case TypeScript.NodeType.AsgDiv:
                case TypeScript.NodeType.AsgMod:
                case TypeScript.NodeType.AsgOr:
                case TypeScript.NodeType.AsgAnd: {
                    return typeFlow.typeCheckArithmeticOperator(this, true);

                }
                case TypeScript.NodeType.AsgXor: {
                    return typeFlow.typeCheckBitwiseOperator(this, true);

                }
                case TypeScript.NodeType.Lsh:
                case TypeScript.NodeType.Rsh:
                case TypeScript.NodeType.Rs2: {
                    return typeFlow.typeCheckShift(this, false);

                }
                case TypeScript.NodeType.AsgLsh:
                case TypeScript.NodeType.AsgRsh:
                case TypeScript.NodeType.AsgRs2: {
                    return typeFlow.typeCheckShift(this, true);

                }
                case TypeScript.NodeType.Comma: {
                    return typeFlow.typeCheckCommaOperator(this);

                }
                case TypeScript.NodeType.InstOf: {
                    return typeFlow.typeCheckInstOf(this);

                }
                case TypeScript.NodeType.In: {
                    return typeFlow.typeCheckInOperator(this);

                }
                case TypeScript.NodeType.From: {
                    typeFlow.checker.errorReporter.simpleError(this, "Illegal use of 'from' keyword in binary expression");
                    break;

                }
                default: {
                    throw new Error("please implement in derived class");

                }
            }
            return this;
        };
        BinaryExpression.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            var binTokenId = TypeScript.nodeTypeToTokTable[this.nodeType];
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            if(binTokenId != undefined) {
                emitter.emitJavascript(this.operand1, binTokenId, false);
                if(TypeScript.tokenTable[binTokenId].text == "instanceof") {
                    emitter.writeToOutput(" instanceof ");
                } else {
                    if(TypeScript.tokenTable[binTokenId].text == "in") {
                        emitter.writeToOutput(" in ");
                    } else {
                        emitter.writeToOutputTrimmable(" " + TypeScript.tokenTable[binTokenId].text + " ");
                    }
                }
                emitter.emitJavascript(this.operand2, binTokenId, false);
            } else {
                switch(this.nty) {
                    case TypeScript.NodeType.Dot: {
                        if(!emitter.tryEmitConstant(this)) {
                            emitter.emitJavascript(this.operand1, TypeScript.TokenID.Dot, false);
                            emitter.writeToOutput(".");
                            emitter.emitJavascriptName(this.operand2, false);
                        }
                        break;

                    }
                    case TypeScript.NodeType.Index: {
                        emitter.emitIndex(this.operand1, this.operand2);
                        break;

                    }
                    case TypeScript.NodeType.Member: {
                        if(this.operand2.nodeType == TypeScript.NodeType.FuncDecl && (this.operand2).isAccessor()) {
                            var funcDecl = this.operand2;
                            if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor)) {
                                emitter.writeToOutput("get ");
                            } else {
                                emitter.writeToOutput("set ");
                            }
                            emitter.emitJavascript(this.operand1, TypeScript.TokenID.Colon, false);
                        } else {
                            emitter.emitJavascript(this.operand1, TypeScript.TokenID.Colon, false);
                            emitter.writeToOutputTrimmable(": ");
                        }
                        emitter.emitJavascript(this.operand2, TypeScript.TokenID.Comma, false);
                        break;

                    }
                    case TypeScript.NodeType.Comma: {
                        emitter.emitJavascript(this.operand1, TypeScript.TokenID.Comma, false);
                        if(emitter.emitState.inObjectLiteral) {
                            emitter.writeLineToOutput(", ");
                        } else {
                            emitter.writeToOutput(",");
                        }
                        emitter.emitJavascript(this.operand2, TypeScript.TokenID.Comma, false);
                        break;

                    }
                    case TypeScript.NodeType.Is: {
                        throw new Error("should be de-sugared during type check");

                    }
                    default: {
                        throw new Error("please implement in derived class");

                    }
                }
            }
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        return BinaryExpression;
    })(AST);
    TypeScript.BinaryExpression = BinaryExpression;    
    var TrinaryExpression = (function (_super) {
        __extends(TrinaryExpression, _super);
        function TrinaryExpression(nty, operand1, operand2, operand3) {
                _super.call(this, nty);
            this.operand1 = operand1;
            this.operand2 = operand2;
            this.operand3 = operand3;
            this.nty = nty;
        }
        TrinaryExpression.prototype.isStatementOrExpression = function () {
            return true;
        };
        TrinaryExpression.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckQMark(this);
        };
        TrinaryExpression.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            emitter.emitJavascript(this.operand1, TypeScript.TokenID.QMark, false);
            emitter.writeToOutput(" ? ");
            emitter.emitJavascript(this.operand2, TypeScript.TokenID.QMark, false);
            emitter.writeToOutput(" : ");
            emitter.emitJavascript(this.operand3, TypeScript.TokenID.QMark, false);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        return TrinaryExpression;
    })(AST);
    TypeScript.TrinaryExpression = TrinaryExpression;    
    var NumberLiteral = (function (_super) {
        __extends(NumberLiteral, _super);
        function NumberLiteral(value) {
                _super.call(this, TypeScript.NodeType.NumberLit);
            this.value = value;
            this.isNegativeZero = false;
        }
        NumberLiteral.prototype.isStatementOrExpression = function () {
            return true;
        };
        NumberLiteral.prototype.typeCheck = function (typeFlow) {
            this.type = typeFlow.doubleType;
            return this;
        };
        NumberLiteral.prototype.treeViewLabel = function () {
            return "num: " + this.value;
        };
        NumberLiteral.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            if(this.isNegativeZero) {
                emitter.writeToOutput("-");
            }
            emitter.writeToOutput(this.value.toString());
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        NumberLiteral.prototype.printLabel = function () {
            if(Math.floor(this.value) != this.value) {
                return this.value.toFixed(2).toString();
            } else {
                return this.value.toString();
            }
        };
        return NumberLiteral;
    })(AST);
    TypeScript.NumberLiteral = NumberLiteral;    
    var RegexLiteral = (function (_super) {
        __extends(RegexLiteral, _super);
        function RegexLiteral(regex) {
                _super.call(this, TypeScript.NodeType.Regex);
            this.regex = regex;
        }
        RegexLiteral.prototype.isStatementOrExpression = function () {
            return true;
        };
        RegexLiteral.prototype.typeCheck = function (typeFlow) {
            this.type = typeFlow.regexType;
            return this;
        };
        RegexLiteral.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            emitter.writeToOutput(this.regex.toString());
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        return RegexLiteral;
    })(AST);
    TypeScript.RegexLiteral = RegexLiteral;    
    var StringLiteral = (function (_super) {
        __extends(StringLiteral, _super);
        function StringLiteral(text) {
                _super.call(this, TypeScript.NodeType.QString);
            this.text = text;
        }
        StringLiteral.prototype.isStatementOrExpression = function () {
            return true;
        };
        StringLiteral.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            emitter.emitStringLiteral(this.text);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        StringLiteral.prototype.typeCheck = function (typeFlow) {
            this.type = typeFlow.stringType;
            return this;
        };
        StringLiteral.prototype.treeViewLabel = function () {
            return "st: " + this.text;
        };
        StringLiteral.prototype.printLabel = function () {
            return this.text;
        };
        return StringLiteral;
    })(AST);
    TypeScript.StringLiteral = StringLiteral;    
    var ImportDecl = (function (_super) {
        __extends(ImportDecl, _super);
        function ImportDecl(id, alias) {
                _super.call(this, TypeScript.NodeType.Import);
            this.id = id;
            this.alias = alias;
            this.varFlags = TypeScript.VarFlags.None;
            this.isDynamicImport = false;
        }
        ImportDecl.prototype.isStatementOrExpression = function () {
            return true;
        };
        ImportDecl.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            var mod = this.alias.type;
            if(writeDeclFile) {
                emitter.emitImportDecl(this);
            }
            if(!this.isDynamicImport || (this.id.sym && !(this.id.sym).onlyReferencedAsTypeRef)) {
                var prevModAliasId = emitter.modAliasId;
                var prevFirstModAlias = emitter.firstModAlias;
                emitter.recordSourceMappingStart(this);
                emitter.emitParensAndCommentsInPlace(this, true);
                emitter.writeToOutput("var " + this.id.text + " = ");
                emitter.modAliasId = this.id.text;
                emitter.firstModAlias = this.firstAliasedModToString();
                emitter.emitJavascript(this.alias, TypeScript.TokenID.Tilde, false, writeDeclFile);
                if(!this.isDynamicImport) {
                    emitter.writeToOutput(";");
                }
                emitter.emitParensAndCommentsInPlace(this, false);
                emitter.recordSourceMappingEnd(this);
                emitter.modAliasId = prevModAliasId;
                emitter.firstModAlias = prevFirstModAlias;
            }
        };
        ImportDecl.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckImportDecl(this);
        };
        ImportDecl.prototype.getAliasName = function (aliasAST) {
            if (typeof aliasAST === "undefined") { aliasAST = this.alias; }
            if(aliasAST.nodeType == TypeScript.NodeType.Name) {
                return (aliasAST).text;
            } else {
                var dotExpr = aliasAST;
                return this.getAliasName(dotExpr.operand1) + "." + this.getAliasName(dotExpr.operand2);
            }
        };
        ImportDecl.prototype.firstAliasedModToString = function () {
            if(this.alias.nodeType == TypeScript.NodeType.Name) {
                return (this.alias).text;
            } else {
                var dotExpr = this.alias;
                var firstMod = dotExpr.operand1;
                return firstMod.text;
            }
        };
        return ImportDecl;
    })(AST);
    TypeScript.ImportDecl = ImportDecl;    
    var BoundDecl = (function (_super) {
        __extends(BoundDecl, _super);
        function BoundDecl(id, nodeType, nestingLevel) {
                _super.call(this, nodeType);
            this.id = id;
            this.nestingLevel = nestingLevel;
            this.init = null;
            this.typeExpr = null;
            this.varFlags = TypeScript.VarFlags.None;
            this.sym = null;
        }
        BoundDecl.prototype.isStatementOrExpression = function () {
            return true;
        };
        BoundDecl.prototype.isPrivate = function () {
            return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Private);
        };
        BoundDecl.prototype.isPublic = function () {
            return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Public);
        };
        BoundDecl.prototype.isProperty = function () {
            return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Property);
        };
        BoundDecl.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckBoundDecl(this);
        };
        BoundDecl.prototype.printLabel = function () {
            return this.treeViewLabel();
        };
        return BoundDecl;
    })(AST);
    TypeScript.BoundDecl = BoundDecl;    
    var VarDecl = (function (_super) {
        __extends(VarDecl, _super);
        function VarDecl(id, nest) {
                _super.call(this, id, TypeScript.NodeType.VarDecl, nest);
        }
        VarDecl.prototype.isAmbient = function () {
            return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Ambient);
        };
        VarDecl.prototype.isExported = function () {
            return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Exported);
        };
        VarDecl.prototype.isStatic = function () {
            return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Static);
        };
        VarDecl.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitJavascriptVarDecl(this, tokenId, writeDeclFile);
        };
        VarDecl.prototype.treeViewLabel = function () {
            return "var " + this.id.text;
        };
        return VarDecl;
    })(BoundDecl);
    TypeScript.VarDecl = VarDecl;    
    var ArgDecl = (function (_super) {
        __extends(ArgDecl, _super);
        function ArgDecl(id) {
                _super.call(this, id, TypeScript.NodeType.ArgDecl, 0);
            this.isOptional = false;
            this.parameterPropertySym = null;
        }
        ArgDecl.prototype.isOptionalArg = function () {
            return this.isOptional || this.init;
        };
        ArgDecl.prototype.treeViewLabel = function () {
            return "arg: " + this.id.text;
        };
        ArgDecl.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            emitter.writeToOutput(this.id.text);
            if(writeDeclFile) {
                emitter.emitArgDecl(this);
            }
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        return ArgDecl;
    })(BoundDecl);
    TypeScript.ArgDecl = ArgDecl;    
    var internalId = 0;
    var FuncDecl = (function (_super) {
        __extends(FuncDecl, _super);
        function FuncDecl(name, bod, isConstructor, args, vars, scopes, statics, nodeType) {
                _super.call(this, nodeType);
            this.name = name;
            this.bod = bod;
            this.isConstructor = isConstructor;
            this.args = args;
            this.vars = vars;
            this.scopes = scopes;
            this.statics = statics;
            this.hint = null;
            this.fncFlags = TypeScript.FncFlags.None;
            this.returnTypeAnnotation = null;
            this.variableArgList = false;
            this.jumpRefs = null;
            this.internalNameCache = null;
            this.tmp1Declared = false;
            this.enclosingFnc = null;
            this.freeVariables = [];
            this.unitIndex = -1;
            this.classDecl = null;
            this.boundToProperty = null;
            this.isOverload = false;
            this.innerStaticFuncs = [];
            this.isTargetTypedAsMethod = false;
            this.isInlineCallLiteral = false;
            this.accessorSymbol = null;
            this.leftCurlyCount = 0;
            this.rightCurlyCount = 0;
            this.returnStatementsWithExpressions = [];
            this.scopeType = null;
        }
        FuncDecl.prototype.internalName = function () {
            if(this.internalNameCache == null) {
                var extName = this.getNameText();
                if(extName) {
                    this.internalNameCache = "_internal_" + extName;
                } else {
                    this.internalNameCache = "_internal_" + internalId++;
                }
            }
            return this.internalNameCache;
        };
        FuncDecl.prototype.hasSelfReference = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.HasSelfReference);
        };
        FuncDecl.prototype.setHasSelfReference = function () {
            this.fncFlags |= TypeScript.FncFlags.HasSelfReference;
        };
        FuncDecl.prototype.addCloRef = function (id, sym) {
            if(this.envids == null) {
                this.envids = new Array();
            }
            this.envids[this.envids.length] = id;
            var outerFnc = this.enclosingFnc;
            if(sym) {
                while(outerFnc && (outerFnc.type.symbol != sym.container)) {
                    outerFnc.addJumpRef(sym);
                    outerFnc = outerFnc.enclosingFnc;
                }
            }
            return this.envids.length - 1;
        };
        FuncDecl.prototype.addJumpRef = function (sym) {
            if(this.jumpRefs == null) {
                this.jumpRefs = new Array();
            }
            var id = new Identifier(sym.name);
            this.jumpRefs[this.jumpRefs.length] = id;
            id.sym = sym;
            id.cloId = this.addCloRef(id, null);
        };
        FuncDecl.prototype.buildControlFlow = function () {
            var entry = new TypeScript.BasicBlock();
            var exit = new TypeScript.BasicBlock();
            var context = new TypeScript.ControlFlowContext(entry, exit);
            var controlFlowPrefix = function (ast, parent, walker) {
                ast.addToControlFlow(walker.state);
                return ast;
            };
            var walker = TypeScript.getAstWalkerFactory().getWalker(controlFlowPrefix, null, null, context);
            context.walker = walker;
            walker.walk(this.bod, this);
            return context;
        };
        FuncDecl.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckFunction(this);
        };
        FuncDecl.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitJavascriptFunction(this, writeDeclFile);
        };
        FuncDecl.prototype.getNameText = function () {
            if(this.name) {
                return this.name.text;
            } else {
                return this.hint;
            }
        };
        FuncDecl.prototype.isMethod = function () {
            return (this.fncFlags & TypeScript.FncFlags.Method) != TypeScript.FncFlags.None;
        };
        FuncDecl.prototype.isCallMember = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.CallMember);
        };
        FuncDecl.prototype.isConstructMember = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.ConstructMember);
        };
        FuncDecl.prototype.isIndexerMember = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.IndexerMember);
        };
        FuncDecl.prototype.isSpecialFn = function () {
            return this.isCallMember() || this.isIndexerMember() || this.isConstructMember();
        };
        FuncDecl.prototype.isAnonymousFn = function () {
            return this.name === null;
        };
        FuncDecl.prototype.isAccessor = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.GetAccessor) || TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.SetAccessor);
        };
        FuncDecl.prototype.isGetAccessor = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.GetAccessor);
        };
        FuncDecl.prototype.isSetAccessor = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.SetAccessor);
        };
        FuncDecl.prototype.isAmbient = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.Ambient);
        };
        FuncDecl.prototype.isExported = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.Exported);
        };
        FuncDecl.prototype.isPrivate = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.Private);
        };
        FuncDecl.prototype.isPublic = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.Public);
        };
        FuncDecl.prototype.isStatic = function () {
            return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.Static);
        };
        FuncDecl.prototype.treeViewLabel = function () {
            if(this.name == null) {
                return "funcExpr";
            } else {
                return "func: " + this.name.text;
            }
        };
        FuncDecl.prototype.ClearFlags = function () {
            this.fncFlags = TypeScript.FncFlags.None;
        };
        FuncDecl.prototype.isSignature = function () {
            return (this.fncFlags & TypeScript.FncFlags.Signature) != TypeScript.FncFlags.None;
        };
        FuncDecl.prototype.hasStaticDeclarations = function () {
            return (!this.isConstructor && (this.statics.members.length > 0 || this.innerStaticFuncs.length > 0));
        };
        return FuncDecl;
    })(AST);
    TypeScript.FuncDecl = FuncDecl;    
    var LocationInfo = (function () {
        function LocationInfo(filename, lineMap, unitIndex) {
            this.filename = filename;
            this.lineMap = lineMap;
            this.unitIndex = unitIndex;
        }
        return LocationInfo;
    })();
    TypeScript.LocationInfo = LocationInfo;    
    TypeScript.unknownLocationInfo = new LocationInfo("unknown", null, -1);
    var Script = (function (_super) {
        __extends(Script, _super);
        function Script(vars, scopes) {
                _super.call(this, new Identifier("script"), null, false, null, vars, scopes, null, TypeScript.NodeType.Script);
            this.locationInfo = null;
            this.requiresGlobal = false;
            this.requiresInherits = false;
            this.isResident = false;
            this.isDeclareFile = false;
            this.hasBeenTypeChecked = false;
            this.topLevelMod = null;
            this.leftCurlyCount = 0;
            this.rightCurlyCount = 0;
            this.vars = vars;
            this.scopes = scopes;
        }
        Script.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckScript(this);
        };
        Script.prototype.treeViewLabel = function () {
            return "Script";
        };
        Script.prototype.emitRequired = function () {
            if(!this.isDeclareFile && !this.isResident && this.bod) {
                for(var i = 0, len = this.bod.members.length; i < len; i++) {
                    var stmt = this.bod.members[i];
                    if(stmt.nodeType == TypeScript.NodeType.Module) {
                        if(!TypeScript.hasFlag((stmt).modFlags, TypeScript.ModuleFlags.ShouldEmitModuleDecl | TypeScript.ModuleFlags.Ambient)) {
                            return true;
                        }
                    } else {
                        if(stmt.nodeType == TypeScript.NodeType.Class) {
                            if(!TypeScript.hasFlag((stmt).varFlags, TypeScript.VarFlags.Ambient)) {
                                return true;
                            }
                        } else {
                            if(stmt.nodeType == TypeScript.NodeType.VarDecl) {
                                if(!TypeScript.hasFlag((stmt).varFlags, TypeScript.VarFlags.Ambient)) {
                                    return true;
                                }
                            } else {
                                if(stmt.nodeType == TypeScript.NodeType.FuncDecl) {
                                    if(!(stmt).isSignature()) {
                                        return true;
                                    }
                                } else {
                                    if(stmt.nodeType != TypeScript.NodeType.Interface && stmt.nodeType != TypeScript.NodeType.Empty) {
                                        return true;
                                    }
                                }
                            }
                        }
                    }
                }
            }
            return false;
        };
        Script.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            if(this.emitRequired()) {
                emitter.emitParensAndCommentsInPlace(this, true);
                emitter.recordSourceMappingStart(this);
                emitter.emitPrologue(this.requiresInherits);
                var oldDeclContainingAST = writeDeclFile ? emitter.setDeclContainingAST(this) : null;
                emitter.emitJavascriptList(this.bod, null, TypeScript.TokenID.SColon, true, false, false, writeDeclFile);
                if(writeDeclFile) {
                    emitter.setDeclContainingAST(oldDeclContainingAST);
                }
                emitter.recordSourceMappingEnd(this);
                emitter.emitParensAndCommentsInPlace(this, false);
            }
        };
        return Script;
    })(FuncDecl);
    TypeScript.Script = Script;    
    var Record = (function (_super) {
        __extends(Record, _super);
        function Record(nty, name, members) {
                _super.call(this, nty);
            this.name = name;
            this.members = members;
            this.nty = nty;
        }
        return Record;
    })(AST);
    TypeScript.Record = Record;    
    var ModuleDecl = (function (_super) {
        __extends(ModuleDecl, _super);
        function ModuleDecl(name, members, vars, scopes) {
                _super.call(this, TypeScript.NodeType.Module, name, members);
            this.modFlags = TypeScript.ModuleFlags.ShouldEmitModuleDecl;
            this.alias = null;
            this.leftCurlyCount = 0;
            this.rightCurlyCount = 0;
            this.amdDependencies = [];
            this.members = members;
            this.vars = vars;
            this.name = name;
            this.scopes = scopes;
            this.prettyName = this.name.text;
        }
        ModuleDecl.prototype.isExported = function () {
            return TypeScript.hasFlag(this.modFlags, TypeScript.ModuleFlags.Exported);
        };
        ModuleDecl.prototype.isAmbient = function () {
            return TypeScript.hasFlag(this.modFlags, TypeScript.ModuleFlags.Ambient);
        };
        ModuleDecl.prototype.isEnum = function () {
            return TypeScript.hasFlag(this.modFlags, TypeScript.ModuleFlags.IsEnum);
        };
        ModuleDecl.prototype.recordNonInterface = function () {
            this.modFlags &= ~TypeScript.ModuleFlags.ShouldEmitModuleDecl;
        };
        ModuleDecl.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckModule(this);
        };
        ModuleDecl.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            if(!TypeScript.hasFlag(this.modFlags, TypeScript.ModuleFlags.ShouldEmitModuleDecl)) {
                emitter.emitParensAndCommentsInPlace(this, true);
                emitter.emitJavascriptModule(this, writeDeclFile);
                emitter.emitParensAndCommentsInPlace(this, false);
            } else {
                if(writeDeclFile) {
                    emitter.emitModuleSignature(this);
                }
            }
        };
        return ModuleDecl;
    })(Record);
    TypeScript.ModuleDecl = ModuleDecl;    
    var NamedType = (function (_super) {
        __extends(NamedType, _super);
        function NamedType(nty, name, extendsList, implementsList, members) {
                _super.call(this, nty, name, members);
            this.extendsList = extendsList;
            this.implementsList = implementsList;
            this.name = name;
            this.members = members;
        }
        return NamedType;
    })(Record);
    TypeScript.NamedType = NamedType;    
    var ClassDecl = (function (_super) {
        __extends(ClassDecl, _super);
        function ClassDecl(name, definitionMembers, baseClass, implementsList) {
                _super.call(this, TypeScript.NodeType.Class, name, baseClass, implementsList, definitionMembers);
            this.varFlags = TypeScript.VarFlags.None;
            this.leftCurlyCount = 0;
            this.rightCurlyCount = 0;
            this.knownMemberNames = {
            };
            this.constructorDecl = null;
            this.constructorNestingLevel = 0;
            this.allMemberDefinitions = new ASTList();
            this.name = name;
            this.baseClass = baseClass;
            this.implementsList = implementsList;
            this.definitionMembers = definitionMembers;
        }
        ClassDecl.prototype.isExported = function () {
            return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Exported);
        };
        ClassDecl.prototype.isAmbient = function () {
            return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Ambient);
        };
        ClassDecl.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckClass(this);
        };
        ClassDecl.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitJavascriptClass(this, writeDeclFile);
        };
        return ClassDecl;
    })(NamedType);
    TypeScript.ClassDecl = ClassDecl;    
    var TypeDecl = (function (_super) {
        __extends(TypeDecl, _super);
        function TypeDecl(nty, name, members, args, extendsList, implementsList) {
                _super.call(this, nty, name, extendsList, implementsList, members);
            this.args = args;
            this.varFlags = TypeScript.VarFlags.None;
            this.isOverload = false;
            this.leftCurlyCount = 0;
            this.rightCurlyCount = 0;
            this.nty = nty;
            this.name = name;
            this.extendsList = extendsList;
            this.implementsList = implementsList;
            this.members = members;
        }
        TypeDecl.prototype.isExported = function () {
            return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Exported);
        };
        TypeDecl.prototype.isAmbient = function () {
            return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Ambient);
        };
        TypeDecl.prototype.typeCheck = function (typeFlow) {
            if(this.nty == TypeScript.NodeType.Interface) {
                return typeFlow.typeCheckInterface(this);
            } else {
                throw new Error("please implement type check for node type" + this.nty);
            }
        };
        TypeDecl.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            if(this.nty == TypeScript.NodeType.Interface) {
                if(writeDeclFile) {
                    emitter.emitInterfaceDeclaration(this);
                }
            } else {
                throw new Error("please implement emit for node type" + this.nty);
            }
        };
        return TypeDecl;
    })(NamedType);
    TypeScript.TypeDecl = TypeDecl;    
    var Statement = (function (_super) {
        __extends(Statement, _super);
        function Statement(nty) {
                _super.call(this, nty);
            this.flags |= TypeScript.ASTFlags.IsStatement;
        }
        Statement.prototype.isLoop = function () {
            return false;
        };
        Statement.prototype.isCompoundStatement = function () {
            return this.isLoop();
        };
        Statement.prototype.typeCheck = function (typeFlow) {
            this.type = typeFlow.voidType;
            return this;
        };
        return Statement;
    })(AST);
    TypeScript.Statement = Statement;    
    var LabeledStatement = (function (_super) {
        __extends(LabeledStatement, _super);
        function LabeledStatement(labels, stmt) {
                _super.call(this, TypeScript.NodeType.LabeledStatement);
            this.labels = labels;
            this.stmt = stmt;
        }
        LabeledStatement.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            if(this.labels) {
                var labelsLen = this.labels.members.length;
                for(var i = 0; i < labelsLen; i++) {
                    this.labels.members[i].emit(emitter, tokenId, startLine, writeDeclFile);
                }
            }
            this.stmt.emit(emitter, tokenId, true, writeDeclFile);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        LabeledStatement.prototype.typeCheck = function (typeFlow) {
            typeFlow.typeCheck(this.labels);
            this.stmt = this.stmt.typeCheck(typeFlow);
            return this;
        };
        LabeledStatement.prototype.addToControlFlow = function (context) {
            var beforeBB = context.current;
            var bb = new TypeScript.BasicBlock();
            context.current = bb;
            beforeBB.addSuccessor(bb);
        };
        return LabeledStatement;
    })(Statement);
    TypeScript.LabeledStatement = LabeledStatement;    
    var Block = (function (_super) {
        __extends(Block, _super);
        function Block(stmts, visible) {
                _super.call(this, TypeScript.NodeType.Block);
            this.stmts = stmts;
            this.visible = visible;
        }
        Block.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            if(this.visible) {
                emitter.writeLineToOutput(" {");
                emitter.increaseIndent();
            }
            var temp = emitter.setInObjectLiteral(false);
            if(this.stmts) {
                emitter.emitJavascriptList(this.stmts, null, TypeScript.TokenID.SColon, true, false, false);
            }
            if(this.visible) {
                emitter.decreaseIndent();
                emitter.emitIndent();
                emitter.writeToOutput("}");
            }
            emitter.setInObjectLiteral(temp);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        Block.prototype.addToControlFlow = function (context) {
            var afterIfNeeded = new TypeScript.BasicBlock();
            context.pushStatement(this, context.current, afterIfNeeded);
            if(this.stmts) {
                context.walk(this.stmts, this);
            }
            context.walker.options.goChildren = false;
            context.popStatement();
            if(afterIfNeeded.predecessors.length > 0) {
                context.current.addSuccessor(afterIfNeeded);
                context.current = afterIfNeeded;
            }
        };
        Block.prototype.typeCheck = function (typeFlow) {
            if(!typeFlow.checker.styleSettings.emptyBlocks) {
                if((this.stmts === null) || (this.stmts.members.length == 0)) {
                    typeFlow.checker.errorReporter.styleError(this, "empty block");
                }
            }
            typeFlow.typeCheck(this.stmts);
            return this;
        };
        return Block;
    })(Statement);
    TypeScript.Block = Block;    
    var Jump = (function (_super) {
        __extends(Jump, _super);
        function Jump(nty) {
                _super.call(this, nty);
            this.target = null;
            this.resolvedTarget = null;
            this.nty = nty;
        }
        Jump.prototype.hasExplicitTarget = function () {
            return (this.target);
        };
        Jump.prototype.setResolvedTarget = function (parser, stmt) {
            if(stmt.isLoop()) {
                this.resolvedTarget = stmt;
                return true;
            }
            if(this.nty === TypeScript.NodeType.Continue) {
                parser.reportParseError("continue statement applies only to loops");
                return false;
            } else {
                if((stmt.nodeType == TypeScript.NodeType.Switch) || this.hasExplicitTarget()) {
                    this.resolvedTarget = stmt;
                    return true;
                } else {
                    parser.reportParseError("break statement with no label can apply only to a loop or switch statement");
                    return false;
                }
            }
        };
        Jump.prototype.addToControlFlow = function (context) {
            _super.prototype.addToControlFlow.call(this, context);
            context.unconditionalBranch(this.resolvedTarget, (this.nty == TypeScript.NodeType.Continue));
        };
        Jump.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            if(this.nty == TypeScript.NodeType.Break) {
                emitter.writeToOutput("break");
            } else {
                emitter.writeToOutput("continue");
            }
            if(this.hasExplicitTarget()) {
                emitter.writeToOutput(" " + this.target);
            }
            emitter.writeToOutput(";");
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        return Jump;
    })(Statement);
    TypeScript.Jump = Jump;    
    var WhileStatement = (function (_super) {
        __extends(WhileStatement, _super);
        function WhileStatement(cond) {
                _super.call(this, TypeScript.NodeType.While);
            this.cond = cond;
            this.body = null;
        }
        WhileStatement.prototype.isStatementOrExpression = function () {
            return true;
        };
        WhileStatement.prototype.isLoop = function () {
            return true;
        };
        WhileStatement.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            var temp = emitter.setInObjectLiteral(false);
            emitter.writeToOutput("while(");
            emitter.emitJavascript(this.cond, TypeScript.TokenID.WHILE, false);
            emitter.writeToOutput(")");
            emitter.emitJavascriptStatements(this.body, false, false);
            emitter.setInObjectLiteral(temp);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        WhileStatement.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckWhile(this);
        };
        WhileStatement.prototype.addToControlFlow = function (context) {
            var loopHeader = context.current;
            var loopStart = new TypeScript.BasicBlock();
            var afterLoop = new TypeScript.BasicBlock();
            loopHeader.addSuccessor(loopStart);
            context.current = loopStart;
            context.addContent(this.cond);
            var condBlock = context.current;
            var targetInfo = null;
            if(this.body) {
                context.current = new TypeScript.BasicBlock();
                condBlock.addSuccessor(context.current);
                context.pushStatement(this, loopStart, afterLoop);
                context.walk(this.body, this);
                targetInfo = context.popStatement();
            }
            if(!(context.noContinuation)) {
                var loopEnd = context.current;
                loopEnd.addSuccessor(loopStart);
            }
            context.current = afterLoop;
            condBlock.addSuccessor(afterLoop);
            context.noContinuation = false;
            context.walker.options.goChildren = false;
        };
        return WhileStatement;
    })(Statement);
    TypeScript.WhileStatement = WhileStatement;    
    var DoWhileStatement = (function (_super) {
        __extends(DoWhileStatement, _super);
        function DoWhileStatement() {
                _super.call(this, TypeScript.NodeType.DoWhile);
            this.body = null;
            this.whileAST = null;
            this.cond = null;
        }
        DoWhileStatement.prototype.isStatementOrExpression = function () {
            return true;
        };
        DoWhileStatement.prototype.isLoop = function () {
            return true;
        };
        DoWhileStatement.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            var temp = emitter.setInObjectLiteral(false);
            emitter.writeToOutput("do");
            emitter.emitJavascriptStatements(this.body, true, false);
            emitter.recordSourceMappingStart(this.whileAST);
            emitter.writeToOutput("while");
            emitter.recordSourceMappingEnd(this.whileAST);
            emitter.writeToOutput('(');
            emitter.emitJavascript(this.cond, TypeScript.TokenID.RParen, false);
            emitter.writeToOutput(")");
            emitter.setInObjectLiteral(temp);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        DoWhileStatement.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckDoWhile(this);
        };
        DoWhileStatement.prototype.addToControlFlow = function (context) {
            var loopHeader = context.current;
            var loopStart = new TypeScript.BasicBlock();
            var afterLoop = new TypeScript.BasicBlock();
            loopHeader.addSuccessor(loopStart);
            context.current = loopStart;
            var targetInfo = null;
            if(this.body) {
                context.pushStatement(this, loopStart, afterLoop);
                context.walk(this.body, this);
                targetInfo = context.popStatement();
            }
            if(!(context.noContinuation)) {
                var loopEnd = context.current;
                loopEnd.addSuccessor(loopStart);
                context.addContent(this.cond);
                context.current = afterLoop;
                loopEnd.addSuccessor(afterLoop);
            } else {
                context.addUnreachable(this.cond);
            }
            context.walker.options.goChildren = false;
        };
        return DoWhileStatement;
    })(Statement);
    TypeScript.DoWhileStatement = DoWhileStatement;    
    var IfStatement = (function (_super) {
        __extends(IfStatement, _super);
        function IfStatement(cond) {
                _super.call(this, TypeScript.NodeType.If);
            this.cond = cond;
            this.elseBod = null;
        }
        IfStatement.prototype.isStatementOrExpression = function () {
            return true;
        };
        IfStatement.prototype.isCompoundStatement = function () {
            return true;
        };
        IfStatement.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            var temp = emitter.setInObjectLiteral(false);
            emitter.writeToOutput("if(");
            emitter.emitJavascript(this.cond, TypeScript.TokenID.IF, false);
            emitter.writeToOutput(")");
            emitter.emitJavascriptStatements(this.thenBod, true, false);
            if(this.elseBod) {
                emitter.writeToOutput(" else");
                emitter.emitJavascriptStatements(this.elseBod, true, true);
            }
            emitter.setInObjectLiteral(temp);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        IfStatement.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckIf(this);
        };
        IfStatement.prototype.addToControlFlow = function (context) {
            this.cond.addToControlFlow(context);
            var afterIf = new TypeScript.BasicBlock();
            var beforeIf = context.current;
            context.pushStatement(this, beforeIf, afterIf);
            var hasContinuation = false;
            context.current = new TypeScript.BasicBlock();
            beforeIf.addSuccessor(context.current);
            context.walk(this.thenBod, this);
            if(!context.noContinuation) {
                hasContinuation = true;
                context.current.addSuccessor(afterIf);
            }
            if(this.elseBod) {
                context.current = new TypeScript.BasicBlock();
                context.noContinuation = false;
                beforeIf.addSuccessor(context.current);
                context.walk(this.elseBod, this);
                if(!context.noContinuation) {
                    hasContinuation = true;
                    context.current.addSuccessor(afterIf);
                } else {
                    if(hasContinuation) {
                        context.noContinuation = false;
                    }
                }
            } else {
                beforeIf.addSuccessor(afterIf);
                context.noContinuation = false;
                hasContinuation = true;
            }
            var targetInfo = context.popStatement();
            if(afterIf.predecessors.length > 0) {
                context.noContinuation = false;
                hasContinuation = true;
            }
            if(hasContinuation) {
                context.current = afterIf;
            }
            context.walker.options.goChildren = false;
        };
        return IfStatement;
    })(Statement);
    TypeScript.IfStatement = IfStatement;    
    var ReturnStatement = (function (_super) {
        __extends(ReturnStatement, _super);
        function ReturnStatement() {
                _super.call(this, TypeScript.NodeType.Return);
            this.returnExpression = null;
        }
        ReturnStatement.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            var temp = emitter.setInObjectLiteral(false);
            if(this.returnExpression) {
                emitter.writeToOutput("return ");
                emitter.emitJavascript(this.returnExpression, TypeScript.TokenID.SColon, false);
            } else {
                emitter.writeToOutput("return;");
            }
            emitter.setInObjectLiteral(temp);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        ReturnStatement.prototype.addToControlFlow = function (context) {
            _super.prototype.addToControlFlow.call(this, context);
            context.returnStmt();
        };
        ReturnStatement.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckReturn(this);
        };
        return ReturnStatement;
    })(Statement);
    TypeScript.ReturnStatement = ReturnStatement;    
    var EndCode = (function (_super) {
        __extends(EndCode, _super);
        function EndCode() {
                _super.call(this, TypeScript.NodeType.EndCode);
        }
        return EndCode;
    })(AST);
    TypeScript.EndCode = EndCode;    
    var ForInStatement = (function (_super) {
        __extends(ForInStatement, _super);
        function ForInStatement(lval, obj) {
                _super.call(this, TypeScript.NodeType.ForIn);
            this.lval = lval;
            this.obj = obj;
            if(this.lval && (this.lval.nodeType == TypeScript.NodeType.VarDecl)) {
                (this.lval).varFlags |= TypeScript.VarFlags.AutoInit;
            }
        }
        ForInStatement.prototype.isStatementOrExpression = function () {
            return true;
        };
        ForInStatement.prototype.isLoop = function () {
            return true;
        };
        ForInStatement.prototype.isFiltered = function () {
            if(this.body) {
                var singleItem = null;
                if(this.body.nodeType == TypeScript.NodeType.List) {
                    var stmts = this.body;
                    if(stmts.members.length == 1) {
                        singleItem = stmts.members[0];
                    }
                } else {
                    singleItem = this.body;
                }
                if(singleItem !== null) {
                    if(singleItem.nodeType == TypeScript.NodeType.Block) {
                        var block = singleItem;
                        if((block.stmts !== null) && (block.stmts.members.length == 1)) {
                            singleItem = block.stmts.members[0];
                        }
                    }
                    if(singleItem.nodeType == TypeScript.NodeType.If) {
                        var cond = (singleItem).cond;
                        if(cond.nodeType == TypeScript.NodeType.Call) {
                            var target = (cond).target;
                            if(target.nodeType == TypeScript.NodeType.Dot) {
                                var binex = target;
                                if((binex.operand1.nodeType == TypeScript.NodeType.Name) && (this.obj.nodeType == TypeScript.NodeType.Name) && ((binex.operand1).text == (this.obj).text)) {
                                    var prop = binex.operand2;
                                    if(prop.text == "hasOwnProperty") {
                                        var args = (cond).args;
                                        if((args !== null) && (args.members.length == 1)) {
                                            var arg = args.members[0];
                                            if((arg.nodeType == TypeScript.NodeType.Name) && (this.lval.nodeType == TypeScript.NodeType.Name)) {
                                                if(((this.lval).text) == (arg).text) {
                                                    return true;
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
            return false;
        };
        ForInStatement.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            var temp = emitter.setInObjectLiteral(false);
            emitter.writeToOutput("for(");
            emitter.emitJavascript(this.lval, TypeScript.TokenID.FOR, false);
            emitter.writeToOutput(" in ");
            emitter.emitJavascript(this.obj, TypeScript.TokenID.FOR, false);
            emitter.writeToOutput(")");
            emitter.emitJavascriptStatements(this.body, true, false);
            emitter.setInObjectLiteral(temp);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        ForInStatement.prototype.typeCheck = function (typeFlow) {
            if(typeFlow.checker.styleSettings.forin) {
                if(!this.isFiltered()) {
                    typeFlow.checker.errorReporter.styleError(this, "no hasOwnProperty filter");
                }
            }
            return typeFlow.typeCheckForIn(this);
        };
        ForInStatement.prototype.addToControlFlow = function (context) {
            if(this.lval) {
                context.addContent(this.lval);
            }
            if(this.obj) {
                context.addContent(this.obj);
            }
            var loopHeader = context.current;
            var loopStart = new TypeScript.BasicBlock();
            var afterLoop = new TypeScript.BasicBlock();
            loopHeader.addSuccessor(loopStart);
            context.current = loopStart;
            if(this.body) {
                context.pushStatement(this, loopStart, afterLoop);
                context.walk(this.body, this);
                context.popStatement();
            }
            if(!(context.noContinuation)) {
                var loopEnd = context.current;
                loopEnd.addSuccessor(loopStart);
            }
            context.current = afterLoop;
            context.noContinuation = false;
            loopHeader.addSuccessor(afterLoop);
            context.walker.options.goChildren = false;
        };
        return ForInStatement;
    })(Statement);
    TypeScript.ForInStatement = ForInStatement;    
    var ForStatement = (function (_super) {
        __extends(ForStatement, _super);
        function ForStatement(init) {
                _super.call(this, TypeScript.NodeType.For);
            this.init = init;
        }
        ForStatement.prototype.isStatementOrExpression = function () {
            return true;
        };
        ForStatement.prototype.isLoop = function () {
            return true;
        };
        ForStatement.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            var temp = emitter.setInObjectLiteral(false);
            emitter.writeToOutput("for(");
            if(this.init) {
                if(this.init.nodeType != TypeScript.NodeType.List) {
                    emitter.emitJavascript(this.init, TypeScript.TokenID.FOR, false);
                } else {
                    emitter.emitForVarList(this.init);
                }
            }
            emitter.writeToOutput("; ");
            emitter.emitJavascript(this.cond, TypeScript.TokenID.FOR, false);
            emitter.writeToOutput("; ");
            emitter.emitJavascript(this.incr, TypeScript.TokenID.FOR, false);
            emitter.writeToOutput(")");
            emitter.emitJavascriptStatements(this.body, true, false);
            emitter.setInObjectLiteral(temp);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        ForStatement.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckFor(this);
        };
        ForStatement.prototype.addToControlFlow = function (context) {
            if(this.init) {
                context.addContent(this.init);
            }
            var loopHeader = context.current;
            var loopStart = new TypeScript.BasicBlock();
            var afterLoop = new TypeScript.BasicBlock();
            loopHeader.addSuccessor(loopStart);
            context.current = loopStart;
            var condBlock = null;
            var continueTarget = loopStart;
            var incrBB = null;
            if(this.incr) {
                incrBB = new TypeScript.BasicBlock();
                continueTarget = incrBB;
            }
            if(this.cond) {
                condBlock = context.current;
                context.addContent(this.cond);
                context.current = new TypeScript.BasicBlock();
                condBlock.addSuccessor(context.current);
            }
            var targetInfo = null;
            if(this.body) {
                context.pushStatement(this, continueTarget, afterLoop);
                context.walk(this.body, this);
                targetInfo = context.popStatement();
            }
            if(this.incr) {
                if(context.noContinuation) {
                    if(incrBB.predecessors.length == 0) {
                        context.addUnreachable(this.incr);
                    }
                } else {
                    context.current.addSuccessor(incrBB);
                    context.current = incrBB;
                    context.addContent(this.incr);
                }
            }
            var loopEnd = context.current;
            if(!(context.noContinuation)) {
                loopEnd.addSuccessor(loopStart);
            }
            if(condBlock) {
                condBlock.addSuccessor(afterLoop);
                context.noContinuation = false;
            }
            if(afterLoop.predecessors.length > 0) {
                context.noContinuation = false;
                context.current = afterLoop;
            }
            context.walker.options.goChildren = false;
        };
        return ForStatement;
    })(Statement);
    TypeScript.ForStatement = ForStatement;    
    var WithStatement = (function (_super) {
        __extends(WithStatement, _super);
        function WithStatement(expr) {
                _super.call(this, TypeScript.NodeType.With);
            this.expr = expr;
            this.withSym = null;
        }
        WithStatement.prototype.isStatementOrExpression = function () {
            return true;
        };
        WithStatement.prototype.isCompoundStatement = function () {
            return true;
        };
        WithStatement.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            emitter.writeToOutput("with (");
            if(this.expr) {
                emitter.emitJavascript(this.expr, TypeScript.TokenID.WITH, false);
            }
            emitter.writeToOutput(")");
            emitter.emitJavascriptStatements(this.body, true, false);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        WithStatement.prototype.typeCheck = function (typeFlow) {
            return typeFlow.typeCheckWith(this);
        };
        return WithStatement;
    })(Statement);
    TypeScript.WithStatement = WithStatement;    
    var SwitchStatement = (function (_super) {
        __extends(SwitchStatement, _super);
        function SwitchStatement(val) {
                _super.call(this, TypeScript.NodeType.Switch);
            this.val = val;
            this.defaultCase = null;
        }
        SwitchStatement.prototype.isStatementOrExpression = function () {
            return true;
        };
        SwitchStatement.prototype.isCompoundStatement = function () {
            return true;
        };
        SwitchStatement.prototype.emit = function (emitter, tokenId, startLine) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            var temp = emitter.setInObjectLiteral(false);
            emitter.writeToOutput("switch(");
            emitter.emitJavascript(this.val, TypeScript.TokenID.ID, false);
            emitter.writeLineToOutput(") {");
            emitter.increaseIndent();
            var casesLen = this.caseList.members.length;
            for(var i = 0; i < casesLen; i++) {
                var caseExpr = this.caseList.members[i];
                emitter.emitJavascript(caseExpr, TypeScript.TokenID.CASE, true);
                emitter.writeLineToOutput("");
            }
            emitter.decreaseIndent();
            emitter.emitIndent();
            emitter.writeToOutput("}");
            emitter.setInObjectLiteral(temp);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        SwitchStatement.prototype.typeCheck = function (typeFlow) {
            var len = this.caseList.members.length;
            this.val = typeFlow.typeCheck(this.val);
            for(var i = 0; i < len; i++) {
                this.caseList.members[i] = typeFlow.typeCheck(this.caseList.members[i]);
            }
            this.defaultCase = typeFlow.typeCheck(this.defaultCase);
            this.type = typeFlow.voidType;
            return this;
        };
        SwitchStatement.prototype.addToControlFlow = function (context) {
            var condBlock = context.current;
            context.addContent(this.val);
            var execBlock = new TypeScript.BasicBlock();
            var afterSwitch = new TypeScript.BasicBlock();
            condBlock.addSuccessor(execBlock);
            context.pushSwitch(execBlock);
            context.current = execBlock;
            context.pushStatement(this, execBlock, afterSwitch);
            context.walk(this.caseList, this);
            context.popSwitch();
            var targetInfo = context.popStatement();
            var hasCondContinuation = (this.defaultCase == null);
            if(this.defaultCase == null) {
                condBlock.addSuccessor(afterSwitch);
            }
            if(afterSwitch.predecessors.length > 0) {
                context.noContinuation = false;
                context.current = afterSwitch;
            } else {
                context.noContinuation = true;
            }
            context.walker.options.goChildren = false;
        };
        return SwitchStatement;
    })(Statement);
    TypeScript.SwitchStatement = SwitchStatement;    
    var CaseStatement = (function (_super) {
        __extends(CaseStatement, _super);
        function CaseStatement() {
                _super.call(this, TypeScript.NodeType.Case);
            this.expr = null;
        }
        CaseStatement.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            if(this.expr) {
                emitter.writeToOutput("case ");
                emitter.emitJavascript(this.expr, TypeScript.TokenID.ID, false);
            } else {
                emitter.writeToOutput("default");
            }
            emitter.writeToOutput(":");
            emitter.emitJavascriptStatements(this.body, false, false);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        CaseStatement.prototype.typeCheck = function (typeFlow) {
            this.expr = typeFlow.typeCheck(this.expr);
            typeFlow.typeCheck(this.body);
            this.type = typeFlow.voidType;
            return this;
        };
        CaseStatement.prototype.addToControlFlow = function (context) {
            var execBlock = new TypeScript.BasicBlock();
            var sw = context.currentSwitch[context.currentSwitch.length - 1];
            if(this.expr) {
                var exprBlock = new TypeScript.BasicBlock();
                context.current = exprBlock;
                sw.addSuccessor(exprBlock);
                context.addContent(this.expr);
                exprBlock.addSuccessor(execBlock);
            } else {
                sw.addSuccessor(execBlock);
            }
            context.current = execBlock;
            if(this.body) {
                context.walk(this.body, this);
            }
            context.noContinuation = false;
            context.walker.options.goChildren = false;
        };
        return CaseStatement;
    })(Statement);
    TypeScript.CaseStatement = CaseStatement;    
    var TypeReference = (function (_super) {
        __extends(TypeReference, _super);
        function TypeReference(term, arrayCount) {
                _super.call(this, TypeScript.NodeType.TypeRef);
            this.term = term;
            this.arrayCount = arrayCount;
        }
        TypeReference.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            throw new Error("should not emit a type ref");
        };
        TypeReference.prototype.typeCheck = function (typeFlow) {
            var prevInTCTR = typeFlow.inTypeRefTypeCheck;
            typeFlow.inTypeRefTypeCheck = true;
            var typeLink = TypeScript.getTypeLink(this, typeFlow.checker, true);
            typeFlow.checker.resolveTypeLink(typeFlow.scope, typeLink, false);
            typeFlow.checkForVoidConstructor(typeLink.type, this);
            this.type = typeLink.type;
            if(this.term) {
                this.term.type = this.type;
            }
            typeFlow.inTypeRefTypeCheck = prevInTCTR;
            return this;
        };
        return TypeReference;
    })(AST);
    TypeScript.TypeReference = TypeReference;    
    var TryFinally = (function (_super) {
        __extends(TryFinally, _super);
        function TryFinally(tryNode, finallyNode) {
                _super.call(this, TypeScript.NodeType.TryFinally);
            this.tryNode = tryNode;
            this.finallyNode = finallyNode;
        }
        TryFinally.prototype.isStatementOrExpression = function () {
            return true;
        };
        TryFinally.prototype.isCompoundStatement = function () {
            return true;
        };
        TryFinally.prototype.emit = function (emitter, tokenId, startLine) {
            emitter.recordSourceMappingStart(this);
            emitter.emitJavascript(this.tryNode, TypeScript.TokenID.TRY, false);
            emitter.emitJavascript(this.finallyNode, TypeScript.TokenID.FINALLY, false);
            emitter.recordSourceMappingEnd(this);
        };
        TryFinally.prototype.typeCheck = function (typeFlow) {
            this.tryNode = typeFlow.typeCheck(this.tryNode);
            this.finallyNode = typeFlow.typeCheck(this.finallyNode);
            this.type = typeFlow.voidType;
            return this;
        };
        TryFinally.prototype.addToControlFlow = function (context) {
            var afterFinally = new TypeScript.BasicBlock();
            context.walk(this.tryNode, this);
            var finBlock = new TypeScript.BasicBlock();
            if(context.current) {
                context.current.addSuccessor(finBlock);
            }
            context.current = finBlock;
            context.pushStatement(this, null, afterFinally);
            context.walk(this.finallyNode, this);
            if(!context.noContinuation && context.current) {
                context.current.addSuccessor(afterFinally);
            }
            if(afterFinally.predecessors.length > 0) {
                context.current = afterFinally;
            } else {
                context.noContinuation = true;
            }
            context.popStatement();
            context.walker.options.goChildren = false;
        };
        return TryFinally;
    })(Statement);
    TypeScript.TryFinally = TryFinally;    
    var TryCatch = (function (_super) {
        __extends(TryCatch, _super);
        function TryCatch(tryNode, catchNode) {
                _super.call(this, TypeScript.NodeType.TryCatch);
            this.tryNode = tryNode;
            this.catchNode = catchNode;
        }
        TryCatch.prototype.isStatementOrExpression = function () {
            return true;
        };
        TryCatch.prototype.isCompoundStatement = function () {
            return true;
        };
        TryCatch.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            emitter.emitJavascript(this.tryNode, TypeScript.TokenID.TRY, false);
            emitter.emitJavascript(this.catchNode, TypeScript.TokenID.CATCH, false);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        TryCatch.prototype.addToControlFlow = function (context) {
            var beforeTry = context.current;
            var tryBlock = new TypeScript.BasicBlock();
            beforeTry.addSuccessor(tryBlock);
            context.current = tryBlock;
            var afterTryCatch = new TypeScript.BasicBlock();
            context.pushStatement(this, null, afterTryCatch);
            context.walk(this.tryNode, this);
            if(!context.noContinuation) {
                if(context.current) {
                    context.current.addSuccessor(afterTryCatch);
                }
            }
            context.current = new TypeScript.BasicBlock();
            beforeTry.addSuccessor(context.current);
            context.walk(this.catchNode, this);
            context.popStatement();
            if(!context.noContinuation) {
                if(context.current) {
                    context.current.addSuccessor(afterTryCatch);
                }
            }
            context.current = afterTryCatch;
            context.walker.options.goChildren = false;
        };
        TryCatch.prototype.typeCheck = function (typeFlow) {
            this.tryNode = typeFlow.typeCheck(this.tryNode);
            this.catchNode = typeFlow.typeCheck(this.catchNode);
            this.type = typeFlow.voidType;
            return this;
        };
        return TryCatch;
    })(Statement);
    TypeScript.TryCatch = TryCatch;    
    var Try = (function (_super) {
        __extends(Try, _super);
        function Try(body) {
                _super.call(this, TypeScript.NodeType.Try);
            this.body = body;
        }
        Try.prototype.isStatementOrExpression = function () {
            return true;
        };
        Try.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            emitter.writeToOutput("try ");
            emitter.emitJavascript(this.body, TypeScript.TokenID.TRY, false);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        Try.prototype.typeCheck = function (typeFlow) {
            this.body = typeFlow.typeCheck(this.body);
            return this;
        };
        Try.prototype.addToControlFlow = function (context) {
            if(this.body) {
                context.walk(this.body, this);
            }
            context.walker.options.goChildren = false;
            context.noContinuation = false;
        };
        return Try;
    })(Statement);
    TypeScript.Try = Try;    
    var Catch = (function (_super) {
        __extends(Catch, _super);
        function Catch(param, body) {
                _super.call(this, TypeScript.NodeType.Catch);
            this.param = param;
            this.body = body;
            this.containedScope = null;
            if(this.param) {
                this.param.varFlags |= TypeScript.VarFlags.AutoInit;
            }
        }
        Catch.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            emitter.writeToOutput(" catch (");
            emitter.emitJavascript(this.param, TypeScript.TokenID.LParen, false);
            emitter.writeToOutput(")");
            emitter.emitJavascript(this.body, TypeScript.TokenID.CATCH, false);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        Catch.prototype.addToControlFlow = function (context) {
            if(this.param) {
                context.addContent(this.param);
                var bodBlock = new TypeScript.BasicBlock();
                context.current.addSuccessor(bodBlock);
                context.current = bodBlock;
            }
            if(this.body) {
                context.walk(this.body, this);
            }
            context.noContinuation = false;
            context.walker.options.goChildren = false;
        };
        Catch.prototype.typeCheck = function (typeFlow) {
            var prevScope = typeFlow.scope;
            typeFlow.scope = this.containedScope;
            this.param = typeFlow.typeCheck(this.param);
            var exceptVar = new TypeScript.ValueLocation();
            var varSym = new TypeScript.VariableSymbol((this.param).id.text, this.param.minChar, typeFlow.checker.locationInfo.unitIndex, exceptVar);
            exceptVar.symbol = varSym;
            exceptVar.typeLink = new TypeScript.TypeLink();
            exceptVar.typeLink.type = typeFlow.anyType;
            var thisFnc = typeFlow.thisFnc;
            if(thisFnc && thisFnc.type) {
                exceptVar.symbol.container = thisFnc.type.symbol;
            } else {
                exceptVar.symbol.container = null;
            }
            this.param.sym = exceptVar.symbol;
            typeFlow.scope.enter(exceptVar.symbol.container, this.param, exceptVar.symbol, typeFlow.checker.errorReporter, false, false, false);
            this.body = typeFlow.typeCheck(this.body);
            if(typeFlow.checker.inProvisionalTypecheckMode()) {
                var table = typeFlow.scope.getTable();
                (table).secondaryTable.table[exceptVar.symbol.name] = undefined;
            }
            this.type = typeFlow.voidType;
            typeFlow.scope = prevScope;
            return this;
        };
        return Catch;
    })(Statement);
    TypeScript.Catch = Catch;    
    var Finally = (function (_super) {
        __extends(Finally, _super);
        function Finally(body) {
                _super.call(this, TypeScript.NodeType.Finally);
            this.body = body;
        }
        Finally.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            emitter.writeToOutput("finally");
            emitter.emitJavascript(this.body, TypeScript.TokenID.FINALLY, false);
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        Finally.prototype.addToControlFlow = function (context) {
            if(this.body) {
                context.walk(this.body, this);
            }
            context.walker.options.goChildren = false;
            context.noContinuation = false;
        };
        Finally.prototype.typeCheck = function (typeFlow) {
            this.body = typeFlow.typeCheck(this.body);
            return this;
        };
        return Finally;
    })(Statement);
    TypeScript.Finally = Finally;    
    var Comment = (function (_super) {
        __extends(Comment, _super);
        function Comment(content, isBlockComment, endsLine) {
                _super.call(this, TypeScript.NodeType.Comment);
            this.content = content;
            this.isBlockComment = isBlockComment;
            this.endsLine = endsLine;
            this.text = null;
        }
        Comment.prototype.getText = function () {
            if(this.text == null) {
                if(this.isBlockComment) {
                    this.text = this.content.split("\n");
                    for(var i = 0; i < this.text.length; i++) {
                        this.text[i] = this.text[i].replace(/^\s+|\s+$/g, '');
                    }
                } else {
                    this.text = [
                        (this.content.replace(/^\s+|\s+$/g, ''))
                    ];
                }
            }
            return this.text;
        };
        return Comment;
    })(AST);
    TypeScript.Comment = Comment;    
    var DebuggerStatement = (function (_super) {
        __extends(DebuggerStatement, _super);
        function DebuggerStatement() {
                _super.call(this, TypeScript.NodeType.Debugger);
        }
        DebuggerStatement.prototype.emit = function (emitter, tokenId, startLine, writeDeclFile) {
            emitter.emitParensAndCommentsInPlace(this, true);
            emitter.recordSourceMappingStart(this);
            emitter.writeLineToOutput("debugger;");
            emitter.recordSourceMappingEnd(this);
            emitter.emitParensAndCommentsInPlace(this, false);
        };
        return DebuggerStatement;
    })(Statement);
    TypeScript.DebuggerStatement = DebuggerStatement;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var AstWalkOptions = (function () {
        function AstWalkOptions() {
            this.goChildren = true;
            this.goNextSibling = true;
            this.reverseSiblings = false;
        }
        AstWalkOptions.prototype.stopWalk = function (stop) {
            if (typeof stop === "undefined") { stop = true; }
            this.goChildren = !stop;
            this.goNextSibling = !stop;
        };
        return AstWalkOptions;
    })();
    TypeScript.AstWalkOptions = AstWalkOptions;    
    var AstWalker = (function () {
        function AstWalker(childrenWalkers, pre, post, options, state) {
            this.childrenWalkers = childrenWalkers;
            this.pre = pre;
            this.post = post;
            this.options = options;
            this.state = state;
        }
        AstWalker.prototype.walk = function (ast, parent) {
            var preAst = this.pre(ast, parent, this);
            if(preAst === undefined) {
                preAst = ast;
            }
            if(this.options.goChildren) {
                var svGoSib = this.options.goNextSibling;
                this.options.goNextSibling = true;
                this.childrenWalkers[ast.nodeType](ast, parent, this);
                this.options.goNextSibling = svGoSib;
            } else {
                this.options.goChildren = true;
            }
            if(this.post) {
                var postAst = this.post(preAst, parent, this);
                if(postAst === undefined) {
                    postAst = preAst;
                }
                return postAst;
            } else {
                return preAst;
            }
        };
        return AstWalker;
    })();    
    var AstWalkerFactory = (function () {
        function AstWalkerFactory() {
            this.childrenWalkers = [];
            this.initChildrenWalkers();
        }
        AstWalkerFactory.prototype.walk = function (ast, pre, post, options, state) {
            return this.getWalker(pre, post, options, state).walk(ast, null);
        };
        AstWalkerFactory.prototype.getWalker = function (pre, post, options, state) {
            return this.getSlowWalker(pre, post, options, state);
        };
        AstWalkerFactory.prototype.getSlowWalker = function (pre, post, options, state) {
            if(!options) {
                options = new AstWalkOptions();
            }
            return new AstWalker(this.childrenWalkers, pre, post, options, state);
        };
        AstWalkerFactory.prototype.initChildrenWalkers = function () {
            this.childrenWalkers[TypeScript.NodeType.None] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.Empty] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.EmptyExpr] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.True] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.False] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.This] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.Super] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.QString] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.Regex] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.Null] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.ArrayLit] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.ObjectLit] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Void] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.Comma] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Pos] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Neg] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Delete] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Await] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.In] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Dot] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.From] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Is] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.InstOf] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Typeof] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.NumberLit] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.Name] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.TypeRef] = ChildrenWalkers.walkTypeReferenceChildren;
            this.childrenWalkers[TypeScript.NodeType.Index] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Call] = ChildrenWalkers.walkCallExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.New] = ChildrenWalkers.walkCallExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Asg] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.AsgAdd] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.AsgSub] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.AsgDiv] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.AsgMul] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.AsgMod] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.AsgAnd] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.AsgXor] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.AsgOr] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.AsgLsh] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.AsgRsh] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.AsgRs2] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.QMark] = ChildrenWalkers.walkTrinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.LogOr] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.LogAnd] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Or] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Xor] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.And] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Eq] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Ne] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Eqv] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.NEqv] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Lt] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Le] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Gt] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Ge] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Add] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Sub] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Mul] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Div] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Mod] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Lsh] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Rsh] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Rs2] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.Not] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.LogNot] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.IncPre] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.DecPre] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.IncPost] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.DecPost] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.TypeAssertion] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.FuncDecl] = ChildrenWalkers.walkFuncDeclChildren;
            this.childrenWalkers[TypeScript.NodeType.Member] = ChildrenWalkers.walkBinaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.VarDecl] = ChildrenWalkers.walkBoundDeclChildren;
            this.childrenWalkers[TypeScript.NodeType.ArgDecl] = ChildrenWalkers.walkBoundDeclChildren;
            this.childrenWalkers[TypeScript.NodeType.Return] = ChildrenWalkers.walkReturnStatementChildren;
            this.childrenWalkers[TypeScript.NodeType.Break] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.Continue] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.Throw] = ChildrenWalkers.walkUnaryExpressionChildren;
            this.childrenWalkers[TypeScript.NodeType.For] = ChildrenWalkers.walkForStatementChildren;
            this.childrenWalkers[TypeScript.NodeType.ForIn] = ChildrenWalkers.walkForInStatementChildren;
            this.childrenWalkers[TypeScript.NodeType.If] = ChildrenWalkers.walkIfStatementChildren;
            this.childrenWalkers[TypeScript.NodeType.While] = ChildrenWalkers.walkWhileStatementChildren;
            this.childrenWalkers[TypeScript.NodeType.DoWhile] = ChildrenWalkers.walkDoWhileStatementChildren;
            this.childrenWalkers[TypeScript.NodeType.Block] = ChildrenWalkers.walkBlockChildren;
            this.childrenWalkers[TypeScript.NodeType.Case] = ChildrenWalkers.walkCaseStatementChildren;
            this.childrenWalkers[TypeScript.NodeType.Switch] = ChildrenWalkers.walkSwitchStatementChildren;
            this.childrenWalkers[TypeScript.NodeType.Try] = ChildrenWalkers.walkTryChildren;
            this.childrenWalkers[TypeScript.NodeType.TryCatch] = ChildrenWalkers.walkTryCatchChildren;
            this.childrenWalkers[TypeScript.NodeType.TryFinally] = ChildrenWalkers.walkTryFinallyChildren;
            this.childrenWalkers[TypeScript.NodeType.Finally] = ChildrenWalkers.walkFinallyChildren;
            this.childrenWalkers[TypeScript.NodeType.Catch] = ChildrenWalkers.walkCatchChildren;
            this.childrenWalkers[TypeScript.NodeType.List] = ChildrenWalkers.walkListChildren;
            this.childrenWalkers[TypeScript.NodeType.Script] = ChildrenWalkers.walkScriptChildren;
            this.childrenWalkers[TypeScript.NodeType.Class] = ChildrenWalkers.walkClassDeclChildren;
            this.childrenWalkers[TypeScript.NodeType.Interface] = ChildrenWalkers.walkTypeDeclChildren;
            this.childrenWalkers[TypeScript.NodeType.Module] = ChildrenWalkers.walkModuleDeclChildren;
            this.childrenWalkers[TypeScript.NodeType.Import] = ChildrenWalkers.walkImportDeclChildren;
            this.childrenWalkers[TypeScript.NodeType.With] = ChildrenWalkers.walkWithStatementChildren;
            this.childrenWalkers[TypeScript.NodeType.Label] = ChildrenWalkers.walkLabelChildren;
            this.childrenWalkers[TypeScript.NodeType.LabeledStatement] = ChildrenWalkers.walkLabeledStatementChildren;
            this.childrenWalkers[TypeScript.NodeType.EBStart] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.GotoEB] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.EndCode] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.Error] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.Comment] = ChildrenWalkers.walkNone;
            this.childrenWalkers[TypeScript.NodeType.Debugger] = ChildrenWalkers.walkNone;
            for(var e in (TypeScript.NodeType)._map) {
                if((this.childrenWalkers)[e] === undefined) {
                    throw new Error("initWalkers function is not up to date with enum content!");
                }
            }
        };
        return AstWalkerFactory;
    })();
    TypeScript.AstWalkerFactory = AstWalkerFactory;    
    var globalAstWalkerFactory;
    function getAstWalkerFactory() {
        if(!globalAstWalkerFactory) {
            globalAstWalkerFactory = new AstWalkerFactory();
        }
        return globalAstWalkerFactory;
    }
    TypeScript.getAstWalkerFactory = getAstWalkerFactory;
    var ChildrenWalkers;
    (function (ChildrenWalkers) {
        function walkNone(preAst, parent, walker) {
        }
        ChildrenWalkers.walkNone = walkNone;
        function walkListChildren(preAst, parent, walker) {
            var len = preAst.members.length;
            if(walker.options.reverseSiblings) {
                for(var i = len - 1; i >= 0; i--) {
                    if(walker.options.goNextSibling) {
                        preAst.members[i] = walker.walk(preAst.members[i], preAst);
                    }
                }
            } else {
                for(var i = 0; i < len; i++) {
                    if(walker.options.goNextSibling) {
                        preAst.members[i] = walker.walk(preAst.members[i], preAst);
                    }
                }
            }
        }
        ChildrenWalkers.walkListChildren = walkListChildren;
        function walkUnaryExpressionChildren(preAst, parent, walker) {
            if(preAst.castTerm) {
                preAst.castTerm = walker.walk(preAst.castTerm, preAst);
            }
            if(preAst.operand) {
                preAst.operand = walker.walk(preAst.operand, preAst);
            }
        }
        ChildrenWalkers.walkUnaryExpressionChildren = walkUnaryExpressionChildren;
        function walkBinaryExpressionChildren(preAst, parent, walker) {
            if(walker.options.reverseSiblings) {
                if(preAst.operand2) {
                    preAst.operand2 = walker.walk(preAst.operand2, preAst);
                }
                if((preAst.operand1) && (walker.options.goNextSibling)) {
                    preAst.operand1 = walker.walk(preAst.operand1, preAst);
                }
            } else {
                if(preAst.operand1) {
                    preAst.operand1 = walker.walk(preAst.operand1, preAst);
                }
                if((preAst.operand2) && (walker.options.goNextSibling)) {
                    preAst.operand2 = walker.walk(preAst.operand2, preAst);
                }
            }
        }
        ChildrenWalkers.walkBinaryExpressionChildren = walkBinaryExpressionChildren;
        function walkTypeReferenceChildren(preAst, parent, walker) {
            if(preAst.term) {
                preAst.term = walker.walk(preAst.term, preAst);
            }
        }
        ChildrenWalkers.walkTypeReferenceChildren = walkTypeReferenceChildren;
        function walkCallExpressionChildren(preAst, parent, walker) {
            if(!walker.options.reverseSiblings) {
                preAst.target = walker.walk(preAst.target, preAst);
            }
            if(preAst.args && (walker.options.goNextSibling)) {
                preAst.args = walker.walk(preAst.args, preAst);
            }
            if((walker.options.reverseSiblings) && (walker.options.goNextSibling)) {
                preAst.target = walker.walk(preAst.target, preAst);
            }
        }
        ChildrenWalkers.walkCallExpressionChildren = walkCallExpressionChildren;
        function walkTrinaryExpressionChildren(preAst, parent, walker) {
            if(preAst.operand1) {
                preAst.operand1 = walker.walk(preAst.operand1, preAst);
            }
            if(preAst.operand2 && (walker.options.goNextSibling)) {
                preAst.operand2 = walker.walk(preAst.operand2, preAst);
            }
            if(preAst.operand3 && (walker.options.goNextSibling)) {
                preAst.operand3 = walker.walk(preAst.operand3, preAst);
            }
        }
        ChildrenWalkers.walkTrinaryExpressionChildren = walkTrinaryExpressionChildren;
        function walkFuncDeclChildren(preAst, parent, walker) {
            if(preAst.name) {
                preAst.name = walker.walk(preAst.name, preAst);
            }
            if(preAst.args && (preAst.args.members.length > 0) && (walker.options.goNextSibling)) {
                preAst.args = walker.walk(preAst.args, preAst);
            }
            if(preAst.returnTypeAnnotation && (walker.options.goNextSibling)) {
                preAst.returnTypeAnnotation = walker.walk(preAst.returnTypeAnnotation, preAst);
            }
            if(preAst.bod && (preAst.bod.members.length > 0) && (walker.options.goNextSibling)) {
                preAst.bod = walker.walk(preAst.bod, preAst);
            }
        }
        ChildrenWalkers.walkFuncDeclChildren = walkFuncDeclChildren;
        function walkBoundDeclChildren(preAst, parent, walker) {
            if(preAst.id) {
                preAst.id = walker.walk(preAst.id, preAst);
            }
            if(preAst.init) {
                preAst.init = walker.walk(preAst.init, preAst);
            }
            if((preAst.typeExpr) && (walker.options.goNextSibling)) {
                preAst.typeExpr = walker.walk(preAst.typeExpr, preAst);
            }
        }
        ChildrenWalkers.walkBoundDeclChildren = walkBoundDeclChildren;
        function walkReturnStatementChildren(preAst, parent, walker) {
            if(preAst.returnExpression) {
                preAst.returnExpression = walker.walk(preAst.returnExpression, preAst);
            }
        }
        ChildrenWalkers.walkReturnStatementChildren = walkReturnStatementChildren;
        function walkForStatementChildren(preAst, parent, walker) {
            if(preAst.init) {
                preAst.init = walker.walk(preAst.init, preAst);
            }
            if(preAst.cond && walker.options.goNextSibling) {
                preAst.cond = walker.walk(preAst.cond, preAst);
            }
            if(preAst.incr && walker.options.goNextSibling) {
                preAst.incr = walker.walk(preAst.incr, preAst);
            }
            if(preAst.body && walker.options.goNextSibling) {
                preAst.body = walker.walk(preAst.body, preAst);
            }
        }
        ChildrenWalkers.walkForStatementChildren = walkForStatementChildren;
        function walkForInStatementChildren(preAst, parent, walker) {
            preAst.lval = walker.walk(preAst.lval, preAst);
            if(walker.options.goNextSibling) {
                preAst.obj = walker.walk(preAst.obj, preAst);
            }
            if(preAst.body && (walker.options.goNextSibling)) {
                preAst.body = walker.walk(preAst.body, preAst);
            }
        }
        ChildrenWalkers.walkForInStatementChildren = walkForInStatementChildren;
        function walkIfStatementChildren(preAst, parent, walker) {
            preAst.cond = walker.walk(preAst.cond, preAst);
            if(preAst.thenBod && (walker.options.goNextSibling)) {
                preAst.thenBod = walker.walk(preAst.thenBod, preAst);
            }
            if(preAst.elseBod && (walker.options.goNextSibling)) {
                preAst.elseBod = walker.walk(preAst.elseBod, preAst);
            }
        }
        ChildrenWalkers.walkIfStatementChildren = walkIfStatementChildren;
        function walkWhileStatementChildren(preAst, parent, walker) {
            preAst.cond = walker.walk(preAst.cond, preAst);
            if(preAst.body && (walker.options.goNextSibling)) {
                preAst.body = walker.walk(preAst.body, preAst);
            }
        }
        ChildrenWalkers.walkWhileStatementChildren = walkWhileStatementChildren;
        function walkDoWhileStatementChildren(preAst, parent, walker) {
            preAst.cond = walker.walk(preAst.cond, preAst);
            if(preAst.body && (walker.options.goNextSibling)) {
                preAst.body = walker.walk(preAst.body, preAst);
            }
        }
        ChildrenWalkers.walkDoWhileStatementChildren = walkDoWhileStatementChildren;
        function walkBlockChildren(preAst, parent, walker) {
            if(preAst.stmts) {
                preAst.stmts = walker.walk(preAst.stmts, preAst);
            }
        }
        ChildrenWalkers.walkBlockChildren = walkBlockChildren;
        function walkCaseStatementChildren(preAst, parent, walker) {
            if(preAst.expr) {
                preAst.expr = walker.walk(preAst.expr, preAst);
            }
            if(preAst.body && walker.options.goNextSibling) {
                preAst.body = walker.walk(preAst.body, preAst);
            }
        }
        ChildrenWalkers.walkCaseStatementChildren = walkCaseStatementChildren;
        function walkSwitchStatementChildren(preAst, parent, walker) {
            if(preAst.val) {
                preAst.val = walker.walk(preAst.val, preAst);
            }
            if((preAst.caseList) && walker.options.goNextSibling) {
                preAst.caseList = walker.walk(preAst.caseList, preAst);
            }
        }
        ChildrenWalkers.walkSwitchStatementChildren = walkSwitchStatementChildren;
        function walkTryChildren(preAst, parent, walker) {
            if(preAst.body) {
                preAst.body = walker.walk(preAst.body, preAst);
            }
        }
        ChildrenWalkers.walkTryChildren = walkTryChildren;
        function walkTryCatchChildren(preAst, parent, walker) {
            if(preAst.tryNode) {
                preAst.tryNode = walker.walk(preAst.tryNode, preAst);
            }
            if((preAst.catchNode) && walker.options.goNextSibling) {
                preAst.catchNode = walker.walk(preAst.catchNode, preAst);
            }
        }
        ChildrenWalkers.walkTryCatchChildren = walkTryCatchChildren;
        function walkTryFinallyChildren(preAst, parent, walker) {
            if(preAst.tryNode) {
                preAst.tryNode = walker.walk(preAst.tryNode, preAst);
            }
            if(preAst.finallyNode && walker.options.goNextSibling) {
                preAst.finallyNode = walker.walk(preAst.finallyNode, preAst);
            }
        }
        ChildrenWalkers.walkTryFinallyChildren = walkTryFinallyChildren;
        function walkFinallyChildren(preAst, parent, walker) {
            if(preAst.body) {
                preAst.body = walker.walk(preAst.body, preAst);
            }
        }
        ChildrenWalkers.walkFinallyChildren = walkFinallyChildren;
        function walkCatchChildren(preAst, parent, walker) {
            if(preAst.param) {
                preAst.param = walker.walk(preAst.param, preAst);
            }
            if((preAst.body) && walker.options.goNextSibling) {
                preAst.body = walker.walk(preAst.body, preAst);
            }
        }
        ChildrenWalkers.walkCatchChildren = walkCatchChildren;
        function walkRecordChildren(preAst, parent, walker) {
            preAst.name = walker.walk(preAst.name, preAst);
            if(walker.options.goNextSibling && preAst.members) {
                preAst.members = walker.walk(preAst.members, preAst);
            }
        }
        ChildrenWalkers.walkRecordChildren = walkRecordChildren;
        function walkNamedTypeChildren(preAst, parent, walker) {
            walkRecordChildren(preAst, parent, walker);
        }
        ChildrenWalkers.walkNamedTypeChildren = walkNamedTypeChildren;
        function walkClassDeclChildren(preAst, parent, walker) {
            walkNamedTypeChildren(preAst, parent, walker);
            if(walker.options.goNextSibling && preAst.baseClass) {
                preAst.baseClass = walker.walk(preAst.baseClass, preAst);
            }
            if(walker.options.goNextSibling && preAst.implementsList) {
                preAst.implementsList = walker.walk(preAst.implementsList, preAst);
            }
        }
        ChildrenWalkers.walkClassDeclChildren = walkClassDeclChildren;
        function walkScriptChildren(preAst, parent, walker) {
            if(preAst.bod) {
                preAst.bod = walker.walk(preAst.bod, preAst);
            }
        }
        ChildrenWalkers.walkScriptChildren = walkScriptChildren;
        function walkTypeDeclChildren(preAst, parent, walker) {
            walkNamedTypeChildren(preAst, parent, walker);
            if(walker.options.goNextSibling && preAst.extendsList) {
                preAst.extendsList = walker.walk(preAst.extendsList, preAst);
            }
            if(walker.options.goNextSibling && preAst.implementsList) {
                preAst.implementsList = walker.walk(preAst.implementsList, preAst);
            }
        }
        ChildrenWalkers.walkTypeDeclChildren = walkTypeDeclChildren;
        function walkModuleDeclChildren(preAst, parent, walker) {
            walkRecordChildren(preAst, parent, walker);
            if(walker.options.goNextSibling && preAst.alias) {
                preAst.alias = walker.walk(preAst.alias, preAst);
            }
        }
        ChildrenWalkers.walkModuleDeclChildren = walkModuleDeclChildren;
        function walkImportDeclChildren(preAst, parent, walker) {
            if(preAst.id) {
                preAst.id = walker.walk(preAst.id, preAst);
            }
            if(preAst.alias) {
                preAst.alias = walker.walk(preAst.alias, preAst);
            }
        }
        ChildrenWalkers.walkImportDeclChildren = walkImportDeclChildren;
        function walkWithStatementChildren(preAst, parent, walker) {
            if(preAst.expr) {
                preAst.expr = walker.walk(preAst.expr, preAst);
            }
            if(preAst.body && walker.options.goNextSibling) {
                preAst.body = walker.walk(preAst.body, preAst);
            }
        }
        ChildrenWalkers.walkWithStatementChildren = walkWithStatementChildren;
        function walkLabelChildren(preAst, parent, walker) {
        }
        ChildrenWalkers.walkLabelChildren = walkLabelChildren;
        function walkLabeledStatementChildren(preAst, parent, walker) {
            preAst.labels = walker.walk(preAst.labels, preAst);
            if(walker.options.goNextSibling) {
                preAst.stmt = walker.walk(preAst.stmt, preAst);
            }
        }
        ChildrenWalkers.walkLabeledStatementChildren = walkLabeledStatementChildren;
    })(ChildrenWalkers || (ChildrenWalkers = {}));

})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    function lastOf(items) {
        return (items === null || items.length === 0) ? null : items[items.length - 1];
    }
    TypeScript.lastOf = lastOf;
    function max(a, b) {
        return a >= b ? a : b;
    }
    TypeScript.max = max;
    function min(a, b) {
        return a <= b ? a : b;
    }
    TypeScript.min = min;
    var AstPath = (function () {
        function AstPath() {
            this.asts = [];
            this.top = -1;
        }
        AstPath.reverseIndexOf = function reverseIndexOf(items, index) {
            return (items === null || items.length <= index) ? null : items[items.length - index - 1];
        }
        AstPath.prototype.clone = function () {
            var clone = new AstPath();
            clone.asts = this.asts.map(function (value) {
                return value;
            });
            clone.top = this.top;
            return clone;
        };
        AstPath.prototype.pop = function () {
            var head = this.ast();
            this.up();
            while(this.asts.length > this.count()) {
                this.asts.pop();
            }
            return head;
        };
        AstPath.prototype.push = function (ast) {
            while(this.asts.length > this.count()) {
                this.asts.pop();
            }
            this.top = this.asts.length;
            this.asts.push(ast);
        };
        AstPath.prototype.up = function () {
            if(this.top <= -1) {
                throw new Error("Invalid call to 'up'");
            }
            this.top--;
        };
        AstPath.prototype.down = function () {
            if(this.top == this.ast.length - 1) {
                throw new Error("Invalid call to 'down'");
            }
            this.top++;
        };
        AstPath.prototype.nodeType = function () {
            if(this.ast() == null) {
                return TypeScript.NodeType.None;
            }
            return this.ast().nodeType;
        };
        AstPath.prototype.ast = function () {
            return AstPath.reverseIndexOf(this.asts, this.asts.length - (this.top + 1));
        };
        AstPath.prototype.parent = function () {
            return AstPath.reverseIndexOf(this.asts, this.asts.length - this.top);
        };
        AstPath.prototype.count = function () {
            return this.top + 1;
        };
        AstPath.prototype.get = function (index) {
            return this.asts[index];
        };
        AstPath.prototype.isNameOfClass = function () {
            if(this.ast() === null || this.parent() === null) {
                return false;
            }
            return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.Class) && ((this.parent()).name === this.ast());
        };
        AstPath.prototype.isNameOfInterface = function () {
            if(this.ast() === null || this.parent() === null) {
                return false;
            }
            return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.Interface) && ((this.parent()).name === this.ast());
        };
        AstPath.prototype.isNameOfArgument = function () {
            if(this.ast() === null || this.parent() === null) {
                return false;
            }
            return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.ArgDecl) && ((this.parent()).id === this.ast());
        };
        AstPath.prototype.isNameOfVariable = function () {
            if(this.ast() === null || this.parent() === null) {
                return false;
            }
            return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.VarDecl) && ((this.parent()).id === this.ast());
        };
        AstPath.prototype.isNameOfModule = function () {
            if(this.ast() === null || this.parent() === null) {
                return false;
            }
            return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.Module) && ((this.parent()).name === this.ast());
        };
        AstPath.prototype.isNameOfFunction = function () {
            if(this.ast() === null || this.parent() === null) {
                return false;
            }
            return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.FuncDecl) && ((this.parent()).name === this.ast());
        };
        AstPath.prototype.isChildOfScript = function () {
            var ast = lastOf(this.asts);
            return this.count() >= 3 && this.asts[this.top] === ast && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.Script;
        };
        AstPath.prototype.isChildOfModule = function () {
            var ast = lastOf(this.asts);
            return this.count() >= 3 && this.asts[this.top] === ast && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.Module;
        };
        AstPath.prototype.isChildOfClass = function () {
            var ast = lastOf(this.asts);
            return this.count() >= 3 && this.asts[this.top] === ast && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.Class;
        };
        AstPath.prototype.isArgumentOfClassConstructor = function () {
            var ast = lastOf(this.asts);
            return this.count() >= 5 && this.asts[this.top] === ast && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.FuncDecl && this.asts[this.top - 3].nodeType === TypeScript.NodeType.List && this.asts[this.top - 4].nodeType === TypeScript.NodeType.Class && ((this.asts[this.top - 2]).isConstructor) && ((this.asts[this.top - 2]).args === this.asts[this.top - 1]) && ((this.asts[this.top - 4]).constructorDecl === this.asts[this.top - 2]);
        };
        AstPath.prototype.isChildOfInterface = function () {
            var ast = lastOf(this.asts);
            return this.count() >= 3 && this.asts[this.top] === ast && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.Interface;
        };
        AstPath.prototype.isTopLevelImplicitModule = function () {
            return this.count() >= 1 && this.asts[this.top].nodeType === TypeScript.NodeType.Module && TypeScript.hasFlag((this.asts[this.top]).modFlags, TypeScript.ModuleFlags.IsWholeFile);
        };
        AstPath.prototype.isBodyOfTopLevelImplicitModule = function () {
            return this.count() >= 2 && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Module && (this.asts[this.top - 1]).members == this.asts[this.top - 0] && TypeScript.hasFlag((this.asts[this.top - 1]).modFlags, TypeScript.ModuleFlags.IsWholeFile);
        };
        AstPath.prototype.isBodyOfScript = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Script && (this.asts[this.top - 1]).bod == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfSwitch = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Switch && (this.asts[this.top - 1]).caseList == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfModule = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Module && (this.asts[this.top - 1]).members == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfClass = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Class && (this.asts[this.top - 1]).members == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfFunction = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.FuncDecl && (this.asts[this.top - 1]).bod == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfInterface = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Interface && (this.asts[this.top - 1]).members == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfBlock = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Block && (this.asts[this.top - 1]).stmts == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfFor = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.For && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfCase = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Case && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfTry = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Try && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfCatch = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Catch && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfDoWhile = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.DoWhile && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfWhile = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.While && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfForIn = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.ForIn && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfWith = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.With && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfFinally = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Finally && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
        };
        AstPath.prototype.isCaseOfSwitch = function () {
            return this.count() >= 3 && this.asts[this.top - 2].nodeType === TypeScript.NodeType.Switch && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && (this.asts[this.top - 2]).caseList == this.asts[this.top - 1];
        };
        AstPath.prototype.isDefaultCaseOfSwitch = function () {
            return this.count() >= 3 && this.asts[this.top - 2].nodeType === TypeScript.NodeType.Switch && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && (this.asts[this.top - 2]).caseList == this.asts[this.top - 1] && (this.asts[this.top - 2]).defaultCase == this.asts[this.top - 0];
        };
        AstPath.prototype.isListOfObjectLit = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.ObjectLit && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && (this.asts[this.top - 1]).operand == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfObjectLit = function () {
            return this.isListOfObjectLit();
        };
        AstPath.prototype.isEmptyListOfObjectLit = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.ObjectLit && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && (this.asts[this.top - 1]).operand == this.asts[this.top - 0] && (this.asts[this.top - 0]).members.length == 0;
        };
        AstPath.prototype.isMemberOfObjectLit = function () {
            return this.count() >= 3 && this.asts[this.top - 2].nodeType === TypeScript.NodeType.ObjectLit && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 0].nodeType === TypeScript.NodeType.Member && (this.asts[this.top - 2]).operand == this.asts[this.top - 1];
        };
        AstPath.prototype.isNameOfMemberOfObjectLit = function () {
            return this.count() >= 4 && this.asts[this.top - 3].nodeType === TypeScript.NodeType.ObjectLit && this.asts[this.top - 2].nodeType === TypeScript.NodeType.List && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Member && this.asts[this.top - 0].nodeType === TypeScript.NodeType.Name && (this.asts[this.top - 3]).operand == this.asts[this.top - 2];
        };
        AstPath.prototype.isListOfArrayLit = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.ArrayLit && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && (this.asts[this.top - 1]).operand == this.asts[this.top - 0];
        };
        AstPath.prototype.isTargetOfMember = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Member && (this.asts[this.top - 1]).operand1 === this.asts[this.top - 0];
        };
        AstPath.prototype.isMemberOfMember = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Member && (this.asts[this.top - 1]).operand2 === this.asts[this.top - 0];
        };
        AstPath.prototype.isItemOfList = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List;
        };
        AstPath.prototype.isThenOfIf = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.If && (this.asts[this.top - 1]).thenBod == this.asts[this.top - 0];
        };
        AstPath.prototype.isElseOfIf = function () {
            return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.If && (this.asts[this.top - 1]).elseBod == this.asts[this.top - 0];
        };
        AstPath.prototype.isBodyOfDefaultCase = function () {
            return this.isBodyOfCase();
        };
        AstPath.prototype.isSingleStatementList = function () {
            return this.count() >= 1 && this.asts[this.top].nodeType === TypeScript.NodeType.List && (this.asts[this.top]).members.length === 1;
        };
        AstPath.prototype.isArgumentListOfFunction = function () {
            return this.count() >= 2 && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && this.asts[this.top - 1].nodeType === TypeScript.NodeType.FuncDecl && (this.asts[this.top - 1]).args === this.asts[this.top - 0];
        };
        AstPath.prototype.isArgumentOfFunction = function () {
            return this.count() >= 3 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.FuncDecl && (this.asts[this.top - 2]).args === this.asts[this.top - 1];
        };
        AstPath.prototype.isArgumentListOfCall = function () {
            return this.count() >= 2 && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Call && (this.asts[this.top - 1]).args === this.asts[this.top - 0];
        };
        AstPath.prototype.isArgumentListOfNew = function () {
            return this.count() >= 2 && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && this.asts[this.top - 1].nodeType === TypeScript.NodeType.New && (this.asts[this.top - 1]).args === this.asts[this.top - 0];
        };
        AstPath.prototype.isSynthesizedBlock = function () {
            return this.count() >= 1 && this.asts[this.top - 0].nodeType === TypeScript.NodeType.Block && (this.asts[this.top - 0]).visible === false;
        };
        return AstPath;
    })();
    TypeScript.AstPath = AstPath;    
    function isValidAstNode(ast) {
        if(ast === null) {
            return false;
        }
        if(ast.minChar === -1 || ast.limChar === -1) {
            return false;
        }
        return true;
    }
    TypeScript.isValidAstNode = isValidAstNode;
    var AstPathContext = (function () {
        function AstPathContext() {
            this.path = new TypeScript.AstPath();
        }
        return AstPathContext;
    })();
    TypeScript.AstPathContext = AstPathContext;    
    (function (GetAstPathOptions) {
        GetAstPathOptions._map = [];
        GetAstPathOptions.Default = 0;
        GetAstPathOptions.EdgeInclusive = 1;
        GetAstPathOptions.DontPruneSearchBasedOnPosition = 1 << 1;
    })(TypeScript.GetAstPathOptions || (TypeScript.GetAstPathOptions = {}));
    var GetAstPathOptions = TypeScript.GetAstPathOptions;

    function getAstPathToPosition(script, pos, options) {
        if (typeof options === "undefined") { options = GetAstPathOptions.Default; }
        var lookInComments = function (comments) {
            if(comments && comments.length > 0) {
                for(var i = 0; i < comments.length; i++) {
                    var minChar = comments[i].minChar;
                    var limChar = comments[i].limChar;
                    if(!comments[i].isBlockComment) {
                        limChar++;
                    }
                    if(pos >= minChar && pos < limChar) {
                        ctx.path.push(comments[i]);
                    }
                }
            }
        };
        var pre = function (cur, parent, walker) {
            if(isValidAstNode(cur)) {
                var inclusive = TypeScript.hasFlag(options, GetAstPathOptions.EdgeInclusive) || cur.nodeType === TypeScript.NodeType.Name || pos === script.limChar;
                var minChar = cur.minChar;
                var limChar = cur.limChar + (inclusive ? 1 : 0);
                if(pos >= minChar && pos < limChar) {
                    var previous = ctx.path.ast();
                    if(previous == null || (cur.minChar >= previous.minChar && cur.limChar <= previous.limChar)) {
                        ctx.path.push(cur);
                    } else {
                    }
                }
                if(pos < limChar) {
                    lookInComments(cur.preComments);
                }
                if(pos >= minChar) {
                    lookInComments(cur.postComments);
                }
                if(!TypeScript.hasFlag(options, GetAstPathOptions.DontPruneSearchBasedOnPosition)) {
                    walker.options.goChildren = (minChar <= pos && pos <= limChar);
                }
            }
            return cur;
        };
        var ctx = new AstPathContext();
        TypeScript.getAstWalkerFactory().walk(script, pre, null, null, ctx);
        return ctx.path;
    }
    TypeScript.getAstPathToPosition = getAstPathToPosition;
    function getTokenizationOffset(script, position) {
        var bestOffset = 0;
        var pre = function (cur, parent, walker) {
            if(TypeScript.isValidAstNode(cur)) {
                if(cur.minChar <= position) {
                    bestOffset = max(bestOffset, cur.minChar);
                }
                if(cur.minChar > position || cur.limChar < bestOffset) {
                    walker.options.goChildren = false;
                }
            }
            return cur;
        };
        TypeScript.getAstWalkerFactory().walk(script, pre);
        return bestOffset;
    }
    TypeScript.getTokenizationOffset = getTokenizationOffset;
    function walkAST(ast, callback) {
        var pre = function (cur, parent, walker) {
            var path = walker.state;
            path.push(cur);
            callback(path, walker);
            return cur;
        };
        var post = function (cur, parent, walker) {
            var path = walker.state;
            path.pop();
            return cur;
        };
        var path = new AstPath();
        TypeScript.getAstWalkerFactory().walk(ast, pre, post, null, path);
    }
    TypeScript.walkAST = walkAST;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var AstLogger = (function () {
        function AstLogger(logger) {
            this.logger = logger;
        }
        AstLogger.prototype.logScript = function (script) {
            var _this = this;
            this.logLinemap(script.locationInfo.lineMap);
            var stack = [];
            var pre = function (cur, parent) {
                stack.push(cur);
                var indent = (stack.length - 1) * 2;
                _this.logComments(script, cur.preComments, indent);
                _this.logNode(script, cur, indent);
                _this.logComments(script, cur.postComments, indent);
                return cur;
            };
            var post = function (cur, parent) {
                stack.pop();
                return cur;
            };
            TypeScript.getAstWalkerFactory().walk(script, pre, post);
        };
        AstLogger.prototype.logNode = function (script, cur, indent) {
            var msg = this.addPadding("", indent, "| ", true);
            msg = msg.concat("+ " + cur.treeViewLabel());
            msg = this.addPadding(msg, 70, " ", false);
            msg = msg + this.addLineColumn(script, cur.minChar);
            msg = this.addPadding(msg, 80, " ", false);
            msg = msg + "=> ";
            msg = msg + this.addLineColumn(script, cur.limChar);
            msg = this.addPadding(msg, 102, " ", false);
            msg = msg.concat("[" + this.addPadding(cur.minChar.toString(), 1, " ", true) + ", " + this.addPadding(cur.limChar.toString(), 1, " ", true) + "]");
            msg = this.addPadding(msg, 115, " ", false);
            msg = msg.concat("sym=" + (cur).sym);
            msg = this.addPadding(msg, 135, " ", false);
            msg = msg.concat("type=" + (cur.type === null ? "null" : cur.type.getTypeName()));
            this.logger.log(msg);
        };
        AstLogger.prototype.logComments = function (script, comments, indent) {
            if(comments == null) {
                return;
            }
            for(var i = 0; i < comments.length; i++) {
                this.logNode(script, comments[i], indent);
            }
        };
        AstLogger.prototype.logLinemap = function (linemap) {
            var result = "[";
            for(var i = 0; i < linemap.length; i++) {
                if(i > 0) {
                    result += ",";
                }
                result += linemap[i];
            }
            result += "]";
            this.logger.log("linemap: " + result);
        };
        AstLogger.prototype.addPadding = function (s, targetLength, paddingString, leftPadding) {
            var result = (leftPadding ? "" : s);
            for(var i = s.length; i < targetLength; i++) {
                result = result + paddingString;
            }
            result = result + (leftPadding ? s : "");
            return result;
        };
        AstLogger.prototype.addLineColumn = function (script, position) {
            var lineInfo = {
                line: -1,
                col: -1
            };
            TypeScript.getSourceLineColFromMap(lineInfo, position, script.locationInfo.lineMap);
            if(lineInfo.col !== -1) {
                lineInfo.col++;
            }
            return "(" + lineInfo.line + ", " + lineInfo.col + ")";
        };
        return AstLogger;
    })();
    TypeScript.AstLogger = AstLogger;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var Binder = (function () {
        function Binder(checker) {
            this.checker = checker;
        }
        Binder.prototype.resolveBaseTypeLinks = function (typeLinks, scope) {
            var extendsList = null;
            if(typeLinks) {
                extendsList = new Array();
                for(var i = 0, len = typeLinks.length; i < len; i++) {
                    var typeLink = typeLinks[i];
                    this.checker.resolvingBases = true;
                    this.checker.resolveTypeLink(scope, typeLink, true);
                    this.checker.resolvingBases = false;
                    if(typeLink.type.isClass()) {
                        extendsList[i] = typeLink.type.instanceType;
                    } else {
                        extendsList[i] = typeLink.type;
                    }
                }
            }
            return extendsList;
        };
        Binder.prototype.resolveBases = function (scope, type) {
            type.extendsList = this.resolveBaseTypeLinks(type.extendsTypeLinks, scope);
            var i = 0;
            var len = type.extendsList.length;

            var derivedIsClass = type.isClassInstance();
            for(; i < len; i++) {
                var baseIsClass = type.extendsList[i].isClassInstance();
                if(type.extendsList[i] != this.checker.anyType) {
                    if(derivedIsClass) {
                        if(!baseIsClass) {
                            this.checker.errorReporter.simpleErrorFromSym(type.symbol, "A export class may only extend other classes, " + type.extendsList[i].symbol.fullName() + " is an interface.");
                        }
                    } else {
                        if(baseIsClass) {
                            this.checker.errorReporter.simpleErrorFromSym(type.symbol, "An interface may only extend other interfaces, " + type.extendsList[i].symbol.fullName() + " is a class.");
                        }
                    }
                }
            }
            type.implementsList = this.resolveBaseTypeLinks(type.implementsTypeLinks, scope);
            if(type.implementsList) {
                for(i = 0 , len = type.implementsList.length; i < len; i++) {
                    var iface = type.implementsList[i];
                    if(iface.isClassInstance()) {
                        if(derivedIsClass) {
                            this.checker.errorReporter.simpleErrorFromSym(type.symbol, "A class may only implement an interface; " + iface.symbol.fullName() + " is a class.");
                        }
                    }
                }
            }
        };
        Binder.prototype.resolveSignatureGroup = function (signatureGroup, scope, instanceType) {
            var supplyVar = !(signatureGroup.hasImplementation);
            for(var i = 0, len = signatureGroup.signatures.length; i < len; i++) {
                var signature = signatureGroup.signatures[i];
                if(instanceType) {
                    signature.returnType.type = instanceType;
                } else {
                    this.checker.resolveTypeLink(scope, signature.returnType, supplyVar);
                }
                var paramLen = signature.parameters.length;
                for(var j = 0; j < paramLen; j++) {
                    this.bindSymbol(scope, signature.parameters[j]);
                }
                if(signature.hasVariableArgList) {
                    var lastParam = signature.parameters[paramLen - 1];
                    lastParam.argsOffset = paramLen - 1;
                    if(!lastParam.getType().isArray()) {
                        this.checker.errorReporter.simpleErrorFromSym(lastParam, "... parameter must have array type");
                        lastParam.parameter.typeLink.type = this.checker.makeArrayType(lastParam.parameter.typeLink.type);
                    }
                }
            }
        };
        Binder.prototype.bindType = function (scope, type, instanceType) {
            if(instanceType) {
                this.bindType(scope, instanceType, null);
            }
            if(type.hasMembers()) {
                var members = type.members;
                var ambientMembers = type.ambientMembers;
                var typeMembers = type.getAllEnclosedTypes();
                var ambientTypeMembers = type.getAllAmbientEnclosedTypes();
                var memberScope = new TypeScript.SymbolTableScope(members, ambientMembers, typeMembers, ambientTypeMembers, type.symbol);
                var agg = new TypeScript.SymbolAggregateScope(type.symbol);
                var prevCurrentModDecl = this.checker.currentModDecl;
                var prevBindStatus = this.checker.inBind;
                agg.addParentScope(memberScope);
                agg.addParentScope(scope);
                if(type.isModuleType()) {
                    this.checker.currentModDecl = type.symbol.declAST;
                    this.checker.inBind = true;
                }
                if(members) {
                    this.bind(agg, type.members.allMembers);
                }
                if(typeMembers) {
                    this.bind(agg, typeMembers.allMembers);
                }
                if(ambientMembers) {
                    this.bind(agg, ambientMembers.allMembers);
                }
                if(ambientTypeMembers) {
                    this.bind(agg, ambientTypeMembers.allMembers);
                }
                this.checker.currentModDecl = prevCurrentModDecl;
                this.checker.inBind = prevBindStatus;
            }
            if(type.extendsTypeLinks) {
                this.resolveBases(scope, type);
            }
            if(type.construct) {
                this.resolveSignatureGroup(type.construct, scope, instanceType);
            }
            if(type.call) {
                this.resolveSignatureGroup(type.call, scope, null);
            }
            if(type.index) {
                this.resolveSignatureGroup(type.index, scope, null);
            }
            if(type.elementType) {
                this.bindType(scope, type.elementType, null);
            }
        };
        Binder.prototype.bindSymbol = function (scope, symbol) {
            if(!symbol.bound) {
                var prevLocationInfo = this.checker.locationInfo;
                if((this.checker.units) && (symbol.unitIndex >= 0) && (symbol.unitIndex < this.checker.units.length)) {
                    this.checker.locationInfo = this.checker.units[symbol.unitIndex];
                }
                switch(symbol.kind()) {
                    case TypeScript.SymbolKind.Type: {
                        if(symbol.flags & TypeScript.SymbolFlags.Bound) {
                            break;
                        }
                        var typeSymbol = symbol;
                        typeSymbol.flags |= TypeScript.SymbolFlags.Bound;
                        if(typeSymbol.aliasLink && !typeSymbol.type && typeSymbol.aliasLink.alias.nodeType == TypeScript.NodeType.Name) {
                            var modPath = (typeSymbol.aliasLink.alias).text;
                            var modSym = this.checker.findSymbolForDynamicModule(modPath, this.checker.locationInfo.filename, function (id) {
                                return scope.find(id, false, true);
                            });
                            if(modSym) {
                                typeSymbol.type = modSym.getType();
                            }
                        }
                        if(typeSymbol.type && typeSymbol.type != this.checker.gloModType) {
                            this.bindType(scope, typeSymbol.type, typeSymbol.instanceType);
                            if(typeSymbol.type.isModuleType()) {
                                for(var i = 0; i < typeSymbol.expansions.length; i++) {
                                    this.bindType(scope, typeSymbol.expansions[i], typeSymbol.instanceType);
                                }
                            }
                        }
                        break;

                    }
                    case TypeScript.SymbolKind.Field: {
                        this.checker.resolveTypeLink(scope, (symbol).field.typeLink, false);
                        break;

                    }
                    case TypeScript.SymbolKind.Parameter: {
                        this.checker.resolveTypeLink(scope, (symbol).parameter.typeLink, true);
                        break;

                    }
                }
                this.checker.locationInfo = prevLocationInfo;
            }
            symbol.bound = true;
        };
        Binder.prototype.bind = function (scope, table) {
            table.map(function (key, sym, binder) {
                binder.bindSymbol(scope, sym);
            }, this);
        };
        return Binder;
    })();
    TypeScript.Binder = Binder;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var Base64Format = (function () {
        function Base64Format() { }
        Base64Format.encodedValues = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
        Base64Format.encode = function encode(inValue) {
            if(inValue < 64) {
                return Base64Format.encodedValues.charAt(inValue);
            }
            throw TypeError(inValue + ": not a 64 based value");
        }
        Base64Format.decodeChar = function decodeChar(inChar) {
            if(inChar.length === 1) {
                return Base64Format.encodedValues.indexOf(inChar);
            } else {
                throw TypeError('"' + inChar + '" must have length 1');
            }
        }
        return Base64Format;
    })();    
    var Base64VLQFormat = (function () {
        function Base64VLQFormat() { }
        Base64VLQFormat.encode = function encode(inValue) {
            if(inValue < 0) {
                inValue = ((-inValue) << 1) + 1;
            } else {
                inValue = inValue << 1;
            }
            var encodedStr = "";
            do {
                var currentDigit = inValue & 31;
                inValue = inValue >> 5;
                if(inValue > 0) {
                    currentDigit = currentDigit | 32;
                }
                encodedStr = encodedStr + Base64Format.encode(currentDigit);
            }while(inValue > 0)
            return encodedStr;
        }
        Base64VLQFormat.decode = function decode(inString) {
            var result = 0;
            var negative = false;
            var shift = 0;
            for(var i = 0; i < inString.length; i++) {
                var byte = Base64Format.decodeChar(inString[i]);
                if(i === 0) {
                    if((byte & 1) === 1) {
                        negative = true;
                    }
                    result = (byte >> 1) & 15;
                } else {
                    result = result | ((byte & 31) << shift);
                }
                shift += (i == 0) ? 4 : 5;
                if((byte & 32) === 32) {
                } else {
                    return {
                        value: negative ? -(result) : result,
                        rest: inString.substr(i + 1)
                    };
                }
            }
            throw new Error('Base64 value "' + inString + '" finished with a continuation bit');
        }
        return Base64VLQFormat;
    })();
    TypeScript.Base64VLQFormat = Base64VLQFormat;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var SourceMapping = (function () {
        function SourceMapping(ast) {
            this.parent = -1;
            this.firstChild = -1;
        }
        return SourceMapping;
    })();
    TypeScript.SourceMapping = SourceMapping;    
    var SourceMapper = (function () {
        function SourceMapper(tsFileName, jsFileName, jsFile, sourceMapOut) {
            this.jsFile = jsFile;
            this.sourceMapOut = sourceMapOut;
            this.sourceMappings = new Array();
            this.currentMapping = -1;
            this.jsFileName = TypeScript.getPrettyName(jsFileName, false, true);
            this.tsFileName = TypeScript.getPrettyName(tsFileName, false, true);
        }
        SourceMapper.MapFileExtension = ".map";
        SourceMapper.CanEmitMapping = function CanEmitMapping(sourceMappings, currentMapping) {
            if(currentMapping.firstChild !== -1) {
                var childMapping = sourceMappings[currentMapping.firstChild];
                if(childMapping.emittedStartLine === currentMapping.emittedStartLine && childMapping.emittedStartColumn === currentMapping.emittedStartColumn) {
                    return false;
                }
            }
            return true;
        }
        SourceMapper.EmitSourceMapping = function EmitSourceMapping(allSourceMappers) {
            var sourceMapper = allSourceMappers[0];
            sourceMapper.jsFile.WriteLine("//@ sourceMappingURL=" + sourceMapper.jsFileName + SourceMapper.MapFileExtension);
            var sourceMapOut = sourceMapper.sourceMapOut;
            var mappingsString = "";
            var tsFiles = [];
            var prevEmittedColumn = 0;
            var prevEmittedLine = 0;
            var prevSourceColumn = 0;
            var prevSourceLine = 0;
            var prevSourceIndex = 0;
            var emitComma = false;
            for(var sourceMapperIndex = 0; sourceMapperIndex < allSourceMappers.length; sourceMapperIndex++) {
                sourceMapper = allSourceMappers[sourceMapperIndex];
                if(sourceMapper.sourceMappings) {
                    var currentSourceIndex = tsFiles.length;
                    tsFiles.push(sourceMapper.tsFileName);
                    var sourceMappings = sourceMapper.sourceMappings;
                    for(var i = 0, len = sourceMappings.length; i < len; i++) {
                        var sourceMapping = sourceMappings[i];
                        if(!SourceMapper.CanEmitMapping(sourceMappings, sourceMapping)) {
                            continue;
                        }
                        if(prevEmittedLine !== sourceMapping.emittedStartLine) {
                            while(prevEmittedLine < sourceMapping.emittedStartLine) {
                                prevEmittedColumn = 0;
                                mappingsString = mappingsString + ";";
                                prevEmittedLine++;
                            }
                            emitComma = false;
                        } else {
                            if(emitComma) {
                                mappingsString = mappingsString + ",";
                            }
                        }
                        mappingsString = mappingsString + TypeScript.Base64VLQFormat.encode(sourceMapping.emittedStartColumn - prevEmittedColumn);
                        prevEmittedColumn = sourceMapping.emittedStartColumn;
                        mappingsString = mappingsString + TypeScript.Base64VLQFormat.encode(currentSourceIndex - prevSourceIndex);
                        prevSourceIndex = currentSourceIndex;
                        mappingsString = mappingsString + TypeScript.Base64VLQFormat.encode(sourceMapping.sourceStartLine - 1 - prevSourceLine);
                        prevSourceLine = sourceMapping.sourceStartLine - 1;
                        mappingsString = mappingsString + TypeScript.Base64VLQFormat.encode(sourceMapping.sourceStartColumn - prevSourceColumn);
                        prevSourceColumn = sourceMapping.sourceStartColumn;
                        emitComma = true;
                    }
                }
            }
            if(mappingsString != "") {
                sourceMapOut.Write('{');
                sourceMapOut.Write('"version":3,');
                sourceMapOut.Write('"file":"' + sourceMapper.jsFileName + '",');
                sourceMapOut.Write('"sources":["' + tsFiles.join('","') + '"],');
                sourceMapOut.Write('"names":[],');
                sourceMapOut.Write('"mappings":"' + mappingsString);
                sourceMapOut.Write('"');
                sourceMapOut.Write('}');
            }
            sourceMapOut.Close();
        }
        return SourceMapper;
    })();
    TypeScript.SourceMapper = SourceMapper;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    (function (EmitContainer) {
        EmitContainer._map = [];
        EmitContainer._map[0] = "Prog";
        EmitContainer.Prog = 0;
        EmitContainer._map[1] = "Module";
        EmitContainer.Module = 1;
        EmitContainer._map[2] = "DynamicModule";
        EmitContainer.DynamicModule = 2;
        EmitContainer._map[3] = "Class";
        EmitContainer.Class = 3;
        EmitContainer._map[4] = "Constructor";
        EmitContainer.Constructor = 4;
        EmitContainer._map[5] = "Function";
        EmitContainer.Function = 5;
        EmitContainer._map[6] = "Args";
        EmitContainer.Args = 6;
        EmitContainer._map[7] = "Interface";
        EmitContainer.Interface = 7;
    })(TypeScript.EmitContainer || (TypeScript.EmitContainer = {}));
    var EmitContainer = TypeScript.EmitContainer;

    var EmitState = (function () {
        function EmitState() {
            this.indentAmt = 0;
            this.column = 0;
            this.line = 0;
            this.pretty = false;
            this.inObjectLiteral = false;
            this.container = EmitContainer.Prog;
        }
        return EmitState;
    })();
    TypeScript.EmitState = EmitState;    
    var Emitter = (function () {
        function Emitter(checker, outfile, emitOptions) {
            this.checker = checker;
            this.outfile = outfile;
            this.emitOptions = emitOptions;
            this.prologueEmitted = false;
            this.indentStep = 4;
            this.thisClassNode = null;
            this.thisFnc = null;
            this.moduleDeclList = [];
            this.moduleName = "";
            this.emitState = new EmitState();
            this.indentStrings = [];
            this.ambientModule = false;
            this.modAliasId = null;
            this.firstModAlias = null;
            this.allSourceMappers = [];
            this.sourceMapper = null;
            this.declDottedModuleName = false;
            this.declIndentDelta = 0;
            this.declFile = null;
            this.declContainingAST = null;
        }
        Emitter.prototype.canWriteDeclFile = function () {
            return this.declFile != null;
        };
        Emitter.prototype.setSourceMappings = function (mapper) {
            this.allSourceMappers.push(mapper);
            this.sourceMapper = mapper;
        };
        Emitter.prototype.setDeclarationFile = function (declaresFile) {
            this.declFile = declaresFile;
        };
        Emitter.prototype.increaseIndent = function () {
            this.emitState.indentAmt += this.indentStep;
            if(this.declDottedModuleName) {
                this.addDeclIndentDelta();
            }
        };
        Emitter.prototype.decreaseIndent = function () {
            this.emitState.indentAmt -= this.indentStep;
        };
        Emitter.prototype.addDeclIndentDelta = function () {
            this.declIndentDelta += this.indentStep;
        };
        Emitter.prototype.reduceDeclIndentDelta = function () {
            this.declIndentDelta -= this.indentStep;
        };
        Emitter.prototype.writeToOutput = function (s) {
            this.outfile.Write(s);
            this.emitState.column += s.length;
        };
        Emitter.prototype.writeToOutputTrimmable = function (s) {
            if(this.emitOptions.minWhitespace) {
                s = s.replace(/[\s]*/g, '');
            }
            this.writeToOutput(s);
        };
        Emitter.prototype.writeLineToOutput = function (s) {
            if(this.emitOptions.minWhitespace) {
                this.writeToOutput(s);
                var c = s.charCodeAt(s.length - 1);
                if(!((c == TypeScript.LexCodeSpace) || (c == TypeScript.LexCodeSMC) || (c == TypeScript.LexCodeLBR))) {
                    this.writeToOutput(' ');
                }
            } else {
                this.outfile.WriteLine(s);
                this.emitState.column = 0;
                this.emitState.line++;
            }
        };
        Emitter.prototype.setInObjectLiteral = function (val) {
            var temp = this.emitState.inObjectLiteral;
            this.emitState.inObjectLiteral = val;
            return temp;
        };
        Emitter.prototype.setContainer = function (c) {
            var temp = this.emitState.container;
            this.emitState.container = c;
            return temp;
        };
        Emitter.prototype.setDeclContainingAST = function (ast) {
            var temp = this.declContainingAST;
            this.declContainingAST = ast;
            return temp;
        };
        Emitter.prototype.getIndentString = function (declIndent) {
            if (typeof declIndent === "undefined") { declIndent = false; }
            if(this.emitOptions.minWhitespace) {
                return "";
            } else {
                var indentAmt = this.emitState.indentAmt - (declIndent ? this.declIndentDelta : 0);
                var indentString = this.indentStrings[indentAmt];
                if(indentString === undefined) {
                    indentString = "";
                    for(var i = 0; i < indentAmt; i++) {
                        indentString += " ";
                    }
                    this.indentStrings[indentAmt] = indentString;
                }
                return indentString;
            }
        };
        Emitter.prototype.emitIndent = function () {
            this.writeToOutput(this.getIndentString());
        };
        Emitter.prototype.emitIndentToDeclFile = function () {
            this.declFile.Write(this.getIndentString(true));
        };
        Emitter.prototype.emitCommentInPlace = function (comment) {
            this.recordSourceMappingStart(comment);
            var text = comment.getText();
            var hadNewLine = false;
            if(comment.isBlockComment) {
                if(this.emitState.column == 0) {
                    this.emitIndent();
                }
                this.writeToOutput(text[0]);
                if(text.length > 1 || comment.endsLine) {
                    this.writeLineToOutput("");
                    for(var i = 1; i < text.length; i++) {
                        this.emitIndent();
                        this.writeLineToOutput(text[i]);
                    }
                    hadNewLine = true;
                }
            } else {
                if(this.emitState.column == 0) {
                    this.emitIndent();
                }
                this.writeLineToOutput(text[0]);
                hadNewLine = true;
            }
            if(hadNewLine) {
                this.emitIndent();
            } else {
                this.writeToOutput(" ");
            }
            this.recordSourceMappingEnd(comment);
        };
        Emitter.prototype.emitParensAndCommentsInPlace = function (ast, pre) {
            var comments = pre ? ast.preComments : ast.postComments;
            if(ast.isParenthesized && !pre) {
                this.writeToOutput(")");
            }
            if(this.emitOptions.emitComments && comments && comments.length != 0) {
                for(var i = 0; i < comments.length; i++) {
                    this.emitCommentInPlace(comments[i]);
                }
            }
            if(ast.isParenthesized && pre) {
                this.writeToOutput("(");
            }
        };
        Emitter.prototype.emitObjectLiteral = function (content) {
            this.writeLineToOutput("{");
            this.increaseIndent();
            var inObjectLiteral = this.setInObjectLiteral(true);
            this.emitJavascriptList(content, ",", TypeScript.TokenID.Comma, true, false, false);
            this.setInObjectLiteral(inObjectLiteral);
            this.decreaseIndent();
            this.emitIndent();
            this.writeToOutput("}");
        };
        Emitter.prototype.emitArrayLiteral = function (content) {
            this.writeToOutput("[");
            if(content) {
                this.writeLineToOutput("");
                this.increaseIndent();
                this.emitJavascriptList(content, ", ", TypeScript.TokenID.Comma, true, false, false);
                this.decreaseIndent();
                this.emitIndent();
            }
            this.writeToOutput("]");
        };
        Emitter.prototype.emitNew = function (target, args) {
            this.recordSourceMappingStart(target);
            this.writeToOutput("new ");
            if(target.nodeType == TypeScript.NodeType.TypeRef) {
                this.writeToOutput("Array()");
            } else {
                this.emitJavascript(target, TypeScript.TokenID.Tilde, false);
                this.writeToOutput("(");
                this.emitJavascriptList(args, ", ", TypeScript.TokenID.Comma, false, false, false);
                this.writeToOutput(")");
            }
            this.recordSourceMappingEnd(target);
        };
        Emitter.prototype.tryEmitConstant = function (dotExpr) {
            if(!this.emitOptions.propagateConstants) {
                return false;
            }
            var propertyName = dotExpr.operand2;
            if(propertyName && propertyName.sym && propertyName.sym.isVariable()) {
                if(TypeScript.hasFlag(propertyName.sym.flags, TypeScript.SymbolFlags.Constant)) {
                    if(propertyName.sym.declAST) {
                        var boundDecl = propertyName.sym.declAST;
                        if(boundDecl.init && (boundDecl.init.nodeType == TypeScript.NodeType.NumberLit)) {
                            var numLit = boundDecl.init;
                            this.writeToOutput(numLit.value.toString());
                            var comment = " /* ";
                            comment += propertyName.text;
                            comment += " */ ";
                            this.writeToOutput(comment);
                            return true;
                        }
                    }
                }
            }
            return false;
        };
        Emitter.prototype.emitCall = function (callNode, target, args) {
            if(!this.emitSuperCall(callNode)) {
                if(!TypeScript.hasFlag(callNode.flags, TypeScript.ASTFlags.ClassBaseConstructorCall)) {
                    if(target.nodeType == TypeScript.NodeType.FuncDecl && !target.isParenthesized) {
                        this.writeToOutput("(");
                    }
                    this.emitJavascript(target, TypeScript.TokenID.LParen, false);
                    if(target.nodeType == TypeScript.NodeType.FuncDecl && !target.isParenthesized) {
                        this.writeToOutput(")");
                    }
                    this.writeToOutput("(");
                    this.emitJavascriptList(args, ", ", TypeScript.TokenID.Comma, false, false, false);
                    this.writeToOutput(")");
                } else {
                    this.decreaseIndent();
                    this.decreaseIndent();
                    var constructorCall = new TypeScript.ASTList();
                    constructorCall.members[0] = callNode;
                    this.emitConstructorCalls(constructorCall, this.thisClassNode);
                    this.increaseIndent();
                    this.increaseIndent();
                }
            }
        };
        Emitter.prototype.defaultValue = function (type) {
            if(type == this.checker.anyType) {
                return "undefined";
            } else {
                if(type == this.checker.numberType) {
                    return "0";
                } else {
                    if(type == this.checker.stringType) {
                        return '""';
                    } else {
                        if(type == this.checker.booleanType) {
                            return "false";
                        } else {
                            return "null";
                        }
                    }
                }
            }
        };
        Emitter.prototype.emitConstructorCalls = function (bases, classDecl) {
            if(bases == null) {
                return;
            }
            var basesLen = bases.members.length;
            this.recordSourceMappingStart(classDecl);
            for(var i = 0; i < basesLen; i++) {
                var baseExpr = bases.members[i];
                var baseSymbol = null;
                if(baseExpr.nodeType == TypeScript.NodeType.Call) {
                    baseSymbol = (baseExpr).target.type.symbol;
                } else {
                    baseSymbol = baseExpr.type.symbol;
                }
                var baseName = baseSymbol.name;
                if(baseSymbol.declModule != classDecl.type.symbol.declModule) {
                    baseName = baseSymbol.fullName();
                }
                if(baseExpr.nodeType == TypeScript.NodeType.Call) {
                    this.emitIndent();
                    this.writeToOutput("_super.call(this");
                    var args = (baseExpr).args;
                    if(args && (args.members.length > 0)) {
                        this.writeToOutput(", ");
                        this.emitJavascriptList(args, ", ", TypeScript.TokenID.Comma, false, false, false);
                    }
                    this.writeToOutput(")");
                } else {
                    if(baseExpr.type && (baseExpr.type.isClassInstance())) {
                        this.emitIndent();
                        this.writeToOutput(classDecl.name.text + "._super.constructor");
                        this.writeToOutput(".call(this)");
                    }
                }
            }
            this.recordSourceMappingEnd(classDecl);
        };
        Emitter.prototype.emitInnerFunction = function (funcDecl, printName, isProtoMember, bases, hasSelfRef, classDecl, writeDeclFile, enclosingEmitStateContainer) {
            if (typeof writeDeclFile === "undefined") { writeDeclFile = false; }
            if (typeof enclosingEmitStateContainer === "undefined") { enclosingEmitStateContainer = this.emitState.container; }
            var isClassConstructor = funcDecl.isConstructor && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod);
            var hasNonObjectBaseType = isClassConstructor && TypeScript.hasFlag(this.thisClassNode.type.instanceType.typeFlags, TypeScript.TypeFlags.HasBaseType) && !TypeScript.hasFlag(this.thisClassNode.type.instanceType.typeFlags, TypeScript.TypeFlags.HasBaseTypeOfObject);
            var classPropertiesMustComeAfterSuperCall = hasNonObjectBaseType && TypeScript.hasFlag((this.thisClassNode).varFlags, TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor);
            this.emitParensAndCommentsInPlace(funcDecl, true);
            this.recordSourceMappingStart(funcDecl);
            if(!(funcDecl.isAccessor() && (funcDecl.accessorSymbol).isObjectLitField)) {
                this.writeToOutput("function ");
            }
            if(printName) {
                var id = funcDecl.getNameText();
                if(id && !funcDecl.isAccessor()) {
                    this.writeToOutput(id);
                }
            }
            this.writeToOutput("(");
            if(writeDeclFile) {
                writeDeclFile = this.emitFuncSignatureIdentifier(funcDecl, false, enclosingEmitStateContainer);
            }
            var argsLen = 0;
            var i = 0;
            var arg;
            var defaultArgs = [];
            if(funcDecl.args) {
                var tempContainer = this.setContainer(EmitContainer.Args);
                argsLen = funcDecl.args.members.length;
                var printLen = argsLen;
                if(funcDecl.variableArgList) {
                    printLen--;
                }
                for(i = 0; i < printLen; i++) {
                    arg = funcDecl.args.members[i];
                    if(arg.init) {
                        defaultArgs.push(arg);
                    }
                    this.emitJavascript(arg, TypeScript.TokenID.LParen, false, writeDeclFile);
                    if(i < (printLen - 1)) {
                        this.writeToOutput(", ");
                        if(writeDeclFile) {
                            this.declFile.Write(", ");
                        }
                    }
                }
                this.setContainer(tempContainer);
            }
            this.writeLineToOutput(") {");
            var oldDeclContainingAST = null;
            if(writeDeclFile) {
                this.emitFuncSignatureVariableArg(funcDecl);
                if(funcDecl.hasStaticDeclarations()) {
                    oldDeclContainingAST = this.setDeclContainingAST(funcDecl);
                }
            }
            this.increaseIndent();
            for(i = 0; i < defaultArgs.length; i++) {
                var arg = defaultArgs[i];
                this.emitIndent();
                this.recordSourceMappingStart(arg);
                this.writeToOutput("if (typeof " + arg.id.text + " === \"undefined\") { ");
                this.recordSourceMappingStart(arg.id);
                this.writeToOutput(arg.id.text);
                this.recordSourceMappingEnd(arg.id);
                this.writeToOutput(" = ");
                this.emitJavascript(arg.init, TypeScript.TokenID.LParen, false);
                this.writeLineToOutput("; }");
                this.recordSourceMappingEnd(arg);
            }
            if(funcDecl.isConstructor && !classPropertiesMustComeAfterSuperCall) {
                if(funcDecl.args) {
                    argsLen = funcDecl.args.members.length;
                    for(i = 0; i < argsLen; i++) {
                        arg = funcDecl.args.members[i];
                        if((arg.varFlags & TypeScript.VarFlags.Property) != TypeScript.VarFlags.None) {
                            this.emitIndent();
                            this.recordSourceMappingStart(arg);
                            this.recordSourceMappingStart(arg.id);
                            this.writeToOutput("this." + arg.id.text);
                            this.recordSourceMappingEnd(arg.id);
                            this.writeToOutput(" = ");
                            this.recordSourceMappingStart(arg.id);
                            this.writeToOutput(arg.id.text);
                            this.recordSourceMappingEnd(arg.id);
                            this.writeLineToOutput(";");
                            this.recordSourceMappingEnd(arg);
                        }
                    }
                }
                if(!TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
                    this.emitConstructorCalls(bases, classDecl);
                }
            }
            if(hasSelfRef) {
                this.emitIndent();
                this.writeLineToOutput("var _this = this;");
            }
            if(funcDecl.variableArgList) {
                argsLen = funcDecl.args.members.length;
                var lastArg = funcDecl.args.members[argsLen - 1];
                this.emitIndent();
                this.recordSourceMappingStart(lastArg);
                this.writeToOutput("var ");
                this.recordSourceMappingStart(lastArg.id);
                this.writeToOutput(lastArg.id.text);
                this.recordSourceMappingEnd(lastArg.id);
                this.writeLineToOutput(" = [];");
                this.recordSourceMappingEnd(lastArg);
                this.emitIndent();
                this.writeLineToOutput("for (var _i = 0; _i < (arguments.length - " + (argsLen - 1) + "); _i++) {");
                this.increaseIndent();
                this.emitIndent();
                this.writeLineToOutput(lastArg.id.text + "[_i] = arguments[_i + " + (argsLen - 1) + "];");
                this.decreaseIndent();
                this.emitIndent();
                this.writeLineToOutput("}");
            }
            if(funcDecl.isConstructor && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod) && !classPropertiesMustComeAfterSuperCall) {
                var nProps = (this.thisClassNode.members).members.length;
                for(var i = 0; i < nProps; i++) {
                    if((this.thisClassNode.members).members[i].nodeType == TypeScript.NodeType.VarDecl) {
                        var varDecl = (this.thisClassNode.members).members[i];
                        if(!TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Static) && varDecl.init) {
                            this.emitIndent();
                            this.emitJavascriptVarDecl(varDecl, TypeScript.TokenID.Tilde);
                            this.writeLineToOutput("");
                        }
                    }
                }
            }
            this.emitBareJavascriptStatements(funcDecl.bod, classPropertiesMustComeAfterSuperCall);
            this.decreaseIndent();
            this.emitIndent();
            this.writeToOutput("}");
            if(!isProtoMember && !TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.IsFunctionExpression) && (TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Definition) || funcDecl.isConstructor)) {
                this.writeLineToOutput("");
            }
            if(funcDecl.hasStaticDeclarations()) {
                this.writeLineToOutput("");
                this.emitIndent();
                var funcName = funcDecl.getNameText();
                this.writeLineToOutput("(function (" + funcName + ") {");
                this.increaseIndent();
                var len = 0;
                var i = 0;
                len = funcDecl.innerStaticFuncs.length;
                for(i = 0; i < len; i++) {
                    var innerFunc = funcDecl.innerStaticFuncs[i];
                    if(innerFunc.isOverload) {
                        if(writeDeclFile) {
                            this.emitFuncSignature(innerFunc);
                        }
                        continue;
                    }
                    this.emitIndent();
                    if(innerFunc.isAccessor()) {
                        this.emitPropertyAccessor(innerFunc, funcDecl.name.text, false, writeDeclFile);
                    } else {
                        this.writeToOutput(funcName + "." + innerFunc.name.text + " = ");
                        this.emitInnerFunction(innerFunc, (innerFunc.name && !innerFunc.name.isMissing()), false, null, innerFunc.hasSelfReference(), null, writeDeclFile);
                    }
                }
                if(funcDecl.statics) {
                    this.recordSourceMappingStart(funcDecl.statics);
                    len = funcDecl.statics.members.length;
                    for(i = 0; i < len; i++) {
                        this.emitIndent();
                        this.writeToOutput(funcName);
                        this.emitJavascript(funcDecl.statics.members[i], TypeScript.TokenID.Tilde, false, writeDeclFile);
                        this.writeLineToOutput("");
                    }
                    this.recordSourceMappingEnd(funcDecl.statics);
                }
                this.decreaseIndent();
                this.emitIndent();
                var printProto = isProtoMember && this.thisClassNode;
                var prefix = printProto ? this.thisClassNode.name.text + ".prototype." : "";
                this.writeLineToOutput("})(" + prefix + funcName + ");");
                if(writeDeclFile) {
                    this.setDeclContainingAST(oldDeclContainingAST);
                    this.emitIndentToDeclFile();
                    this.declFile.WriteLine("}");
                }
            }
            this.recordSourceMappingEnd(funcDecl);
            this.emitParensAndCommentsInPlace(funcDecl, false);
        };
        Emitter.prototype.emitArgDecl = function (argDecl) {
            this.declFile.Write(argDecl.id.text);
            if(argDecl.isOptionalArg()) {
                this.declFile.Write("?");
            }
            if((argDecl.typeExpr || argDecl.type != this.checker.anyType) && this.canEmitTypeAnnotationSignature(argDecl.type)) {
                this.declFile.Write(": " + this.getTypeSignature(argDecl.type));
            }
        };
        Emitter.prototype.emitFuncSignatureIdentifier = function (funcDecl, isInterfaceMember, enclosingEmitStateContainer) {
            if (typeof isInterfaceMember === "undefined") { isInterfaceMember = false; }
            if (typeof enclosingEmitStateContainer === "undefined") { enclosingEmitStateContainer = this.emitState.container; }
            if(!isInterfaceMember && !funcDecl.isOverload) {
                if(funcDecl.isConstructor) {
                    if(funcDecl.type.construct.signatures.length > 1) {
                        return false;
                    }
                } else {
                    if(funcDecl.type.call.signatures.length > 1) {
                        return false;
                    }
                }
            }
            if(!this.canEmitSignature(TypeScript.ToDeclFlags(funcDecl.fncFlags), enclosingEmitStateContainer)) {
                return false;
            }
            if(funcDecl.isConstructor) {
                this.emitIndentToDeclFile();
                this.declFile.Write("constructor ");
            } else {
                var id = funcDecl.getNameText();
                if(!isInterfaceMember) {
                    this.emitDeclFlags(TypeScript.ToDeclFlags(funcDecl.fncFlags), "function");
                    this.declFile.Write(id);
                } else {
                    this.emitIndentToDeclFile();
                    if(funcDecl.isConstructMember()) {
                        this.declFile.Write("new");
                    } else {
                        if(!funcDecl.isCallMember() && !funcDecl.isIndexerMember()) {
                            this.declFile.Write(id);
                            if(TypeScript.hasFlag(funcDecl.name.flags, TypeScript.ASTFlags.OptionalName)) {
                                this.declFile.Write("? ");
                            }
                        }
                    }
                }
            }
            if(!funcDecl.isIndexerMember()) {
                this.declFile.Write("(");
            } else {
                this.declFile.Write("[");
            }
            return true;
        };
        Emitter.prototype.emitFuncSignatureVariableArg = function (funcDecl) {
            if(funcDecl.variableArgList) {
                var lastArg = funcDecl.args.members[funcDecl.args.members.length - 1];
                if(funcDecl.args.members.length > 1) {
                    this.declFile.Write(", ...");
                } else {
                    this.declFile.Write("...");
                }
                this.emitArgDecl(lastArg);
            }
            if(!funcDecl.isIndexerMember()) {
                this.declFile.Write(")");
            } else {
                this.declFile.Write("]");
            }
            if(!funcDecl.isConstructor && (funcDecl.returnTypeAnnotation || funcDecl.signature.returnType.type != this.checker.anyType) && this.canEmitTypeAnnotationSignature(funcDecl.signature.returnType.type)) {
                this.declFile.Write(": " + this.getTypeSignature(funcDecl.signature.returnType.type));
            }
            if(funcDecl.hasStaticDeclarations()) {
                this.declFile.WriteLine(" {");
            } else {
                this.declFile.WriteLine(";");
            }
        };
        Emitter.prototype.emitFuncSignature = function (funcDecl, isInterfaceMember) {
            if (typeof isInterfaceMember === "undefined") { isInterfaceMember = false; }
            var emitSignature = this.emitFuncSignatureIdentifier(funcDecl, isInterfaceMember);
            if(emitSignature) {
                if(funcDecl.args) {
                    var argsLen = funcDecl.args.members.length;
                    if(funcDecl.variableArgList) {
                        argsLen--;
                    }
                    for(var i = 0; i < argsLen; i++) {
                        var argDecl = funcDecl.args.members[i];
                        this.emitArgDecl(argDecl);
                        if(i < (argsLen - 1)) {
                            this.declFile.Write(", ");
                        }
                    }
                }
                this.emitFuncSignatureVariableArg(funcDecl);
            }
        };
        Emitter.prototype.emitPropertyAccessorSignature = function (funcDecl) {
            var accessorSymbol = funcDecl.accessorSymbol;
            this.emitDeclFlags(TypeScript.ToDeclFlags(accessorSymbol.flags), "var");
            this.declFile.WriteLine(funcDecl.name.text + " : " + this.getTypeSignature(accessorSymbol.getType()) + ";");
        };
        Emitter.prototype.emitDeclFlags = function (declFlags, typeString) {
            this.emitIndentToDeclFile();
            var accessorString = "";
            if(TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.GetAccessor)) {
                accessorString = "get ";
            } else {
                if(TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.SetAccessor)) {
                    accessorString = "set ";
                }
            }
            if(TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.Exported)) {
                this.declFile.Write("export ");
            }
            if(TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.LocalStatic) || TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.Static)) {
                this.declFile.Write("static " + accessorString);
            } else {
                if(TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.Private)) {
                    this.declFile.Write("private " + accessorString);
                } else {
                    if(TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.Public)) {
                        this.declFile.Write("public " + accessorString);
                    } else {
                        if(accessorString == "") {
                            this.declFile.Write(typeString + " ");
                        } else {
                            this.declFile.Write(accessorString);
                        }
                    }
                }
            }
        };
        Emitter.prototype.canEmitTypeAnnotationSignature = function (type, declFlag) {
            if (typeof declFlag === "undefined") { declFlag = TypeScript.DeclFlags.None; }
            if(type == null) {
                return false;
            }
            if(type.primitiveTypeClass == TypeScript.Primitive.None && (type.symbol && type.symbol.container != undefined && type.symbol.container != this.checker.gloMod)) {
                if(TypeScript.hasFlag(declFlag, TypeScript.DeclFlags.Private)) {
                    return false;
                }
                if(TypeScript.hasFlag(type.symbol.container.flags, TypeScript.SymbolFlags.Exported)) {
                    return true;
                }
                if(type.symbol.declAST) {
                    switch(type.symbol.declAST.nodeType) {
                        case TypeScript.NodeType.Module: {
                            if(!TypeScript.hasFlag((type.symbol.declAST).modFlags, TypeScript.ModuleFlags.Exported)) {
                                return false;
                            }
                            break;

                        }
                        case TypeScript.NodeType.Class: {
                            if(!TypeScript.hasFlag((type.symbol.declAST).varFlags, TypeScript.VarFlags.Exported)) {
                                return false;
                            }
                            break;

                        }
                        case TypeScript.NodeType.Interface: {
                            if(!TypeScript.hasFlag((type.symbol.declAST).varFlags, TypeScript.VarFlags.Exported)) {
                                return false;
                            }
                            break;

                        }
                        case TypeScript.NodeType.FuncDecl: {
                            if(!TypeScript.hasFlag((type.symbol.declAST).fncFlags, TypeScript.FncFlags.Exported)) {
                                return false;
                            }
                            break;

                        }
                        default: {
                            throw Error("Catch this unhandled type container");

                        }
                    }
                }
            }
            return true;
        };
        Emitter.prototype.getTypeSignature = function (type) {
            var containingScope = null;
            if(this.declContainingAST) {
                switch(this.declContainingAST.nodeType) {
                    case TypeScript.NodeType.Module:
                    case TypeScript.NodeType.Interface:
                    case TypeScript.NodeType.FuncDecl: {
                        if(this.declContainingAST.type) {
                            containingScope = this.declContainingAST.type.containedScope;
                        }
                        break;

                    }
                    case TypeScript.NodeType.Script: {
                        var script = this.declContainingAST;
                        if(script.bod) {
                            containingScope = script.bod.enclosingScope;
                        }
                        break;

                    }
                    case TypeScript.NodeType.Class: {
                        if(this.declContainingAST.type) {
                            containingScope = this.declContainingAST.type.instanceType.containedScope;
                        }
                        break;

                    }
                    default: {
                        throw Error("Unknown containing scope");

                    }
                }
            }
            return type.getScopedTypeName(containingScope);
        };
        Emitter.prototype.canEmitSignature = function (declFlags, enclosingEmitStateContainer) {
            if (typeof enclosingEmitStateContainer === "undefined") { enclosingEmitStateContainer = this.emitState.container; }
            if(enclosingEmitStateContainer == EmitContainer.Module && !TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.Exported)) {
                return false;
            }
            return true;
        };
        Emitter.prototype.emitVarSignature = function (varDecl, interfaceMember) {
            if (typeof interfaceMember === "undefined") { interfaceMember = false; }
            if(this.canEmitSignature(TypeScript.ToDeclFlags(varDecl.varFlags))) {
                if(!interfaceMember) {
                    this.emitDeclFlags(TypeScript.ToDeclFlags(varDecl.varFlags), "var");
                    this.declFile.Write(varDecl.id.text);
                } else {
                    this.emitIndentToDeclFile();
                    this.declFile.Write(varDecl.id.text);
                    if(TypeScript.hasFlag(varDecl.id.flags, TypeScript.ASTFlags.OptionalName)) {
                        this.declFile.Write("?");
                    }
                }
                var type = null;
                if(varDecl.typeExpr && varDecl.typeExpr.type) {
                    type = varDecl.typeExpr.type;
                } else {
                    if(varDecl.sym) {
                        type = (varDecl.sym).getType();
                        if(type == this.checker.anyType) {
                            type = null;
                        }
                    }
                }
                if(this.canEmitTypeAnnotationSignature(type, TypeScript.ToDeclFlags(varDecl.varFlags))) {
                    var typeName = this.getTypeSignature(type);
                    this.declFile.WriteLine(": " + typeName + ";");
                } else {
                    this.declFile.WriteLine(";");
                }
            }
        };
        Emitter.prototype.emitBaseList = function (bases, qual) {
            if(bases && (bases.members.length > 0)) {
                this.declFile.Write(" " + qual + " ");
                var basesLen = bases.members.length;
                for(var i = 0; i < basesLen; i++) {
                    var baseExpr = bases.members[i];
                    var baseSymbol = baseExpr.type.symbol;
                    var baseType = baseExpr.type;
                    var baseName = this.getTypeSignature(baseType);
                    if(i > 0) {
                        this.declFile.Write(", ");
                    }
                    this.declFile.Write(baseName);
                }
            }
        };
        Emitter.prototype.emitClassSignatureIdentifierAndHeritage = function (classDecl) {
            if(!this.canEmitSignature(TypeScript.ToDeclFlags(classDecl.varFlags))) {
                return false;
            }
            var className = classDecl.name.text;
            this.emitDeclFlags(TypeScript.ToDeclFlags(classDecl.varFlags), "class");
            this.declFile.Write(className);
            this.emitBaseList(classDecl.baseClass, "extends");
            this.emitBaseList(classDecl.implementsList, "implements");
            this.declFile.WriteLine(" {");
            return true;
        };
        Emitter.prototype.emitClassSignatureClassBodyOfAmbientClass = function (classDecl) {
            var membersLen = classDecl.definitionMembers.members.length;
            for(var j = 0; j < membersLen; j++) {
                var memberDecl = classDecl.definitionMembers.members[j];
                if(memberDecl.nodeType == TypeScript.NodeType.FuncDecl) {
                    var fn = memberDecl;
                    if(!fn.isAccessor()) {
                        this.emitFuncSignature(fn);
                    }
                } else {
                    if(memberDecl.nodeType == TypeScript.NodeType.VarDecl) {
                        this.emitVarSignature(memberDecl);
                    } else {
                        throw Error("We want to catch this");
                    }
                }
            }
        };
        Emitter.prototype.emitMembersFromConstructorDefinition = function (funcDecl) {
            if(funcDecl.args) {
                var argsLen = funcDecl.args.members.length;
                if(funcDecl.variableArgList) {
                    argsLen--;
                }
                for(var i = 0; i < argsLen; i++) {
                    var argDecl = funcDecl.args.members[i];
                    if(TypeScript.hasFlag(argDecl.varFlags, TypeScript.VarFlags.Property)) {
                        this.emitDeclFlags(TypeScript.ToDeclFlags(argDecl.varFlags), "var");
                        this.declFile.Write(argDecl.id.text);
                        if(argDecl.typeExpr) {
                            this.declFile.Write(": " + this.getTypeSignature(argDecl.type));
                        }
                        this.declFile.WriteLine(";");
                    }
                }
            }
        };
        Emitter.prototype.emitClassSignature = function (classDecl) {
            var canEmitSignature = this.emitClassSignatureIdentifierAndHeritage(classDecl);
            if(canEmitSignature) {
                var oldDeclContainingAST = this.setDeclContainingAST(classDecl);
                this.increaseIndent();
                this.emitClassSignatureClassBodyOfAmbientClass(classDecl);
                this.decreaseIndent();
                this.setDeclContainingAST(oldDeclContainingAST);
                this.emitIndentToDeclFile();
                this.declFile.WriteLine("}");
            }
        };
        Emitter.prototype.emitImportDecl = function (importDecl) {
            if(this.canEmitSignature(TypeScript.ToDeclFlags(importDecl.varFlags))) {
                this.emitDeclFlags(TypeScript.ToDeclFlags(importDecl.varFlags), "import");
                this.declFile.Write(importDecl.id.text + " = ");
                if(importDecl.isDynamicImport) {
                    this.declFile.WriteLine("module (" + importDecl.getAliasName() + ");");
                } else {
                    this.declFile.WriteLine(importDecl.getAliasName() + ";");
                }
            }
        };
        Emitter.prototype.emitModuleIdentification = function (moduleDecl) {
            if(!this.canEmitSignature(TypeScript.ToDeclFlags(moduleDecl.modFlags))) {
                return false;
            }
            if(this.declDottedModuleName) {
                this.declFile.Write(".");
            } else {
                this.emitDeclFlags(TypeScript.ToDeclFlags(moduleDecl.modFlags), "module");
            }
            this.declFile.Write(moduleDecl.name.text);
            if(moduleDecl.members.members.length == 1 && moduleDecl.members.members[0].nodeType == TypeScript.NodeType.Module && !(moduleDecl.members.members[0]).isEnum() && TypeScript.hasFlag((moduleDecl.members.members[0]).modFlags, TypeScript.ModuleFlags.Exported)) {
                this.declDottedModuleName = true;
            } else {
                this.declDottedModuleName = false;
                this.declFile.WriteLine(" {");
            }
            return true;
        };
        Emitter.prototype.emitModuleBodyOfAmbientModule = function (moduleDecl) {
            var membersLen = moduleDecl.members.members.length;
            for(var j = 0; j < membersLen; j++) {
                var memberDecl = moduleDecl.members.members[j];
                switch(memberDecl.nodeType) {
                    case TypeScript.NodeType.VarDecl: {
                        this.emitVarSignature(memberDecl);
                        break;

                    }
                    case TypeScript.NodeType.FuncDecl: {
                        this.emitFuncSignature(memberDecl);
                        break;

                    }
                    case TypeScript.NodeType.Class: {
                        this.emitClassSignature(memberDecl);
                        break;

                    }
                    case TypeScript.NodeType.Interface: {
                        this.emitInterfaceDeclaration(memberDecl);
                        break;

                    }
                    case TypeScript.NodeType.Module: {
                        this.emitModuleSignature(memberDecl);
                        break;

                    }
                    case TypeScript.NodeType.Import: {
                        this.emitImportDecl(memberDecl);
                        break;

                    }
                    case TypeScript.NodeType.Empty: {
                        break;

                    }
                    default: {
                        throw Error("We want to catch this");

                    }
                }
            }
        };
        Emitter.prototype.emitModuleSignature = function (moduleDecl) {
            if(moduleDecl.isEnum()) {
                this.emitEnumSignature(moduleDecl);
            } else {
                var oldDeclIndentDelta = this.declIndentDelta;
                var wasDottedModuleDecl = this.declDottedModuleName;
                var canEmitSignature = this.emitModuleIdentification(moduleDecl);
                if(canEmitSignature) {
                    var oldDeclContainingAST = this.setDeclContainingAST(moduleDecl);
                    this.increaseIndent();
                    var tempContainer = this.setContainer(EmitContainer.Module);
                    this.emitModuleBodyOfAmbientModule(moduleDecl);
                    this.setContainer(tempContainer);
                    this.decreaseIndent();
                    this.setDeclContainingAST(oldDeclContainingAST);
                    if(!wasDottedModuleDecl) {
                        this.declIndentDelta = oldDeclIndentDelta;
                        this.emitIndentToDeclFile();
                        this.declFile.WriteLine("}");
                    }
                }
            }
        };
        Emitter.prototype.emitEnumBodyOfAmbientEnum = function (moduleDecl) {
            var membersLen = moduleDecl.members.members.length;
            for(var j = 1; j < membersLen; j++) {
                var memberDecl = moduleDecl.members.members[j];
                if(memberDecl.nodeType == TypeScript.NodeType.VarDecl) {
                    this.emitIndentToDeclFile();
                    this.declFile.WriteLine((memberDecl).id.text + ",");
                } else {
                    if(memberDecl.nodeType != TypeScript.NodeType.Asg) {
                        throw Error("We want to catch this");
                    }
                }
            }
        };
        Emitter.prototype.emitEnumSignature = function (moduleDecl) {
            if(!this.canEmitSignature(TypeScript.ToDeclFlags(moduleDecl.modFlags))) {
                return false;
            }
            this.emitDeclFlags(TypeScript.ToDeclFlags(moduleDecl.modFlags), "enum");
            this.declFile.WriteLine(moduleDecl.name.text + " {");
            this.increaseIndent();
            this.emitEnumBodyOfAmbientEnum(moduleDecl);
            this.decreaseIndent();
            this.emitIndentToDeclFile();
            this.declFile.WriteLine("}");
            return true;
        };
        Emitter.prototype.emitInterfaceBody = function (typeMemberList) {
            for(var i = 0; i < typeMemberList.members.length; i++) {
                var typeMember = typeMemberList.members[i];
                switch(typeMember.nodeType) {
                    case TypeScript.NodeType.FuncDecl: {
                        this.emitFuncSignature(typeMember, true);
                        break;

                    }
                    case TypeScript.NodeType.VarDecl: {
                        this.emitVarSignature(typeMember, true);
                        break;

                    }
                    default: {
                        throw Error("Not allowed");

                    }
                }
            }
        };
        Emitter.prototype.emitInterfaceDeclaration = function (interfaceDecl) {
            if(this.canEmitSignature(TypeScript.ToDeclFlags(interfaceDecl.varFlags))) {
                var temp = this.setContainer(EmitContainer.Interface);
                var interfaceName = interfaceDecl.name.text;
                this.emitDeclFlags(TypeScript.ToDeclFlags(interfaceDecl.varFlags), "interface");
                this.declFile.Write(interfaceName);
                this.emitBaseList(interfaceDecl.extendsList, "extends");
                this.declFile.WriteLine(" {");
                this.increaseIndent();
                var oldDeclContainingAST = this.setDeclContainingAST(interfaceDecl);
                this.emitInterfaceBody(interfaceDecl.members);
                this.setDeclContainingAST(oldDeclContainingAST);
                this.decreaseIndent();
                this.emitIndentToDeclFile();
                this.declFile.WriteLine("}");
                this.setContainer(temp);
            }
        };
        Emitter.prototype.emitJavascriptModule = function (moduleDecl, writeDeclFile) {
            var modName = moduleDecl.name.text;
            if(TypeScript.isTSFile(modName)) {
                moduleDecl.name.text = modName.substring(0, modName.length - 3);
            } else {
                if(TypeScript.isSTRFile(modName)) {
                    moduleDecl.name.text = modName.substring(0, modName.length - 4);
                }
            }
            if(!TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.Ambient)) {
                var isDynamicMod = TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.IsDynamic);
                var oldDeclIndentDelta = this.declIndentDelta;
                var wasDottedModuleDecl = this.declDottedModuleName;
                var oldDeclContainingAST = null;
                var prevOutFile = this.outfile;
                if(writeDeclFile) {
                    if(!isDynamicMod) {
                        if(moduleDecl.isEnum()) {
                            writeDeclFile = this.emitEnumSignature(moduleDecl);
                        } else {
                            writeDeclFile = this.emitModuleIdentification(moduleDecl);
                        }
                    }
                    if(writeDeclFile) {
                        oldDeclContainingAST = this.setDeclContainingAST(moduleDecl);
                    }
                }
                var temp = this.setContainer(EmitContainer.Module);
                var svModuleName = this.moduleName;
                var isExported = TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.Exported);
                this.moduleDeclList[this.moduleDeclList.length] = moduleDecl;
                this.moduleName = moduleDecl.name.text;
                this.recordSourceMappingStart(moduleDecl);
                if(isDynamicMod) {
                    var modFilePath = TypeScript.stripQuotes(TypeScript.trimModName(moduleDecl.name.text)) + ".js";
                    if(this.emitOptions.createFile) {
                        if(modFilePath != this.emitOptions.path) {
                            this.outfile = this.emitOptions.createFile(modFilePath);
                        } else {
                            if(!this.emitOptions.outputMany) {
                                this.checker.errorReporter.emitterError(moduleDecl, "Module emit collides with emitted script: " + modFilePath);
                            }
                        }
                    }
                    this.setContainer(EmitContainer.DynamicModule);
                    if(TypeScript.moduleGenTarget == TypeScript.ModuleGenTarget.Asynchronous) {
                        var dependencyList = "[\"require\", \"exports\"";
                        var importList = "require, exports";
                        var importStatement = null;
                        for(var i = 0; i < (moduleDecl.mod).importedModules.length; i++) {
                            importStatement = (moduleDecl.mod).importedModules[i];
                            if(importStatement.id.sym && !(importStatement.id.sym).onlyReferencedAsTypeRef) {
                                if(i <= (moduleDecl.mod).importedModules.length - 1) {
                                    dependencyList += ", ";
                                    importList += ", ";
                                }
                                importList += "__" + importStatement.id.text + "__";
                                dependencyList += importStatement.firstAliasedModToString();
                            }
                        }
                        for(var i = 0; i < moduleDecl.amdDependencies.length; i++) {
                            dependencyList += ", \"" + moduleDecl.amdDependencies[i] + "\"";
                        }
                        dependencyList += "]";
                        this.writeLineToOutput("define(" + dependencyList + "," + " function(" + importList + ") {");
                    } else {
                    }
                } else {
                    if(!isExported) {
                        this.writeLineToOutput("var " + this.moduleName + ";");
                        this.emitIndent();
                    }
                    this.writeLineToOutput("(function (" + this.moduleName + ") {");
                }
                if(!isDynamicMod || TypeScript.moduleGenTarget == TypeScript.ModuleGenTarget.Asynchronous) {
                    this.increaseIndent();
                    if(isDynamicMod) {
                        this.addDeclIndentDelta();
                    }
                }
                this.emitJavascriptList(moduleDecl.members, null, TypeScript.TokenID.SColon, true, false, false, writeDeclFile && !moduleDecl.isEnum());
                if(!isDynamicMod || TypeScript.moduleGenTarget == TypeScript.ModuleGenTarget.Asynchronous) {
                    this.decreaseIndent();
                    if(isDynamicMod) {
                        this.reduceDeclIndentDelta();
                    }
                }
                this.emitIndent();
                if(isDynamicMod) {
                    if(writeDeclFile) {
                        this.setDeclContainingAST(oldDeclContainingAST);
                    }
                    if(TypeScript.moduleGenTarget == TypeScript.ModuleGenTarget.Asynchronous) {
                        this.writeLineToOutput("})");
                    } else {
                    }
                    if(this.outfile != prevOutFile) {
                        this.outfile.Close();
                        this.outfile = prevOutFile;
                    }
                } else {
                    if(writeDeclFile) {
                        this.setDeclContainingAST(oldDeclContainingAST);
                        if(!moduleDecl.isEnum() && !wasDottedModuleDecl) {
                            this.declIndentDelta = oldDeclIndentDelta;
                            this.emitIndentToDeclFile();
                            this.declFile.WriteLine("}");
                        }
                    }
                    var containingMod = null;
                    if(moduleDecl.type && moduleDecl.type.symbol.container && moduleDecl.type.symbol.container.declAST) {
                        containingMod = moduleDecl.type.symbol.container.declAST;
                    }
                    var parentIsDynamic = containingMod && TypeScript.hasFlag(containingMod.modFlags, TypeScript.ModuleFlags.IsDynamic);
                    if(temp == EmitContainer.Prog && isExported) {
                        this.writeLineToOutput("})(this." + this.moduleName + " || (this." + this.moduleName + " = {}));");
                    } else {
                        if(isExported || temp == EmitContainer.Prog) {
                            var dotMod = svModuleName != "" ? (parentIsDynamic ? "exports" : svModuleName) + "." : svModuleName;
                            this.writeLineToOutput("})(" + dotMod + this.moduleName + " || (" + dotMod + this.moduleName + " = {}));");
                        } else {
                            if(!isExported && temp != EmitContainer.Prog) {
                                this.writeLineToOutput("})(" + this.moduleName + " || (" + this.moduleName + " = {}));");
                            } else {
                                this.writeLineToOutput("})();");
                            }
                        }
                    }
                    if(temp != EmitContainer.Prog && !parentIsDynamic && isExported) {
                        this.emitIndent();
                        this.writeLineToOutput("var " + this.moduleName + " = " + svModuleName + "." + this.moduleName + ";");
                    }
                }
                this.recordSourceMappingEnd(moduleDecl);
                this.setContainer(temp);
                this.moduleName = svModuleName;
                this.moduleDeclList.length--;
            } else {
                if(writeDeclFile) {
                    this.emitModuleSignature(moduleDecl);
                }
            }
        };
        Emitter.prototype.emitIndex = function (operand1, operand2) {
            var temp = this.setInObjectLiteral(false);
            this.emitJavascript(operand1, TypeScript.TokenID.Tilde, false);
            this.writeToOutput("[");
            this.emitJavascriptList(operand2, ", ", TypeScript.TokenID.Comma, false, false, false);
            this.writeToOutput("]");
            this.setInObjectLiteral(temp);
        };
        Emitter.prototype.emitStringLiteral = function (text) {
            this.writeToOutput(text);
        };
        Emitter.prototype.emitJavascriptFunction = function (funcDecl, writeDeclFile) {
            if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Signature) || funcDecl.isOverload) {
                if(writeDeclFile) {
                    this.emitFuncSignature(funcDecl);
                }
                return;
            }
            var temp;
            var tempFnc = this.thisFnc;
            this.thisFnc = funcDecl;
            if(funcDecl.isConstructor) {
                temp = this.setContainer(EmitContainer.Constructor);
            } else {
                temp = this.setContainer(EmitContainer.Function);
            }
            var bases = null;
            var hasSelfRef = false;
            var funcName = funcDecl.getNameText();
            if((this.emitState.inObjectLiteral || !funcDecl.isAccessor()) && ((temp != EmitContainer.Constructor) || ((funcDecl.fncFlags & TypeScript.FncFlags.Method) == TypeScript.FncFlags.None))) {
                var tempLit = this.setInObjectLiteral(false);
                if(this.thisClassNode) {
                    bases = this.thisClassNode.extendsList;
                }
                hasSelfRef = funcDecl.hasSelfReference();
                this.recordSourceMappingStart(funcDecl);
                if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Exported | TypeScript.FncFlags.ClassPropertyMethodExported) && funcDecl.type.symbol.container == this.checker.gloMod && !funcDecl.isConstructor) {
                    this.writeToOutput("this." + funcName + " = ");
                    this.emitInnerFunction(funcDecl, false, false, bases, hasSelfRef, this.thisClassNode, writeDeclFile, temp);
                } else {
                    this.emitInnerFunction(funcDecl, (funcDecl.name && !funcDecl.name.isMissing()), false, bases, hasSelfRef, this.thisClassNode, writeDeclFile, temp);
                }
                this.recordSourceMappingEnd(funcDecl);
                this.setInObjectLiteral(tempLit);
            }
            this.setContainer(temp);
            this.thisFnc = tempFnc;
            if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Definition)) {
                if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static)) {
                    if(this.thisClassNode) {
                        if(funcDecl.isAccessor()) {
                            this.emitPropertyAccessor(funcDecl, this.thisClassNode.name.text, false, false);
                        } else {
                            this.emitIndent();
                            this.recordSourceMappingStart(funcDecl);
                            this.writeLineToOutput(this.thisClassNode.name.text + "." + funcName + " = " + funcName + ";");
                            this.recordSourceMappingEnd(funcDecl);
                        }
                    }
                } else {
                    if((this.emitState.container == EmitContainer.Module || this.emitState.container == EmitContainer.DynamicModule) && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Exported | TypeScript.FncFlags.ClassPropertyMethodExported)) {
                        this.emitIndent();
                        var modName = this.emitState.container == EmitContainer.Module ? this.moduleName : "exports";
                        this.recordSourceMappingStart(funcDecl);
                        this.writeLineToOutput(modName + "." + funcName + " = " + funcName + ";");
                        this.recordSourceMappingEnd(funcDecl);
                    }
                }
            }
        };
        Emitter.prototype.emitAmbientVarDecl = function (varDecl) {
            if(varDecl.init) {
                this.emitParensAndCommentsInPlace(varDecl, true);
                this.recordSourceMappingStart(varDecl);
                this.recordSourceMappingStart(varDecl.id);
                this.writeToOutput(varDecl.id.text);
                this.recordSourceMappingEnd(varDecl.id);
                this.writeToOutput(" = ");
                this.emitJavascript(varDecl.init, TypeScript.TokenID.Comma, false);
                this.recordSourceMappingEnd(varDecl);
                this.writeToOutput(";");
                this.emitParensAndCommentsInPlace(varDecl, false);
            }
        };
        Emitter.prototype.emitForVarList = function (varDeclList) {
            if(varDeclList) {
                this.recordSourceMappingStart(varDeclList);
                var len = varDeclList.members.length;
                for(var i = 0; i < len; i++) {
                    var varDecl = varDeclList.members[i];
                    this.emitJavascriptVarDecl(varDecl, (i == 0) ? TypeScript.TokenID.FOR : TypeScript.TokenID.LParen);
                    if(i < (len - 1)) {
                        this.writeToOutput(", ");
                    }
                }
                this.recordSourceMappingEnd(varDeclList);
            }
        };
        Emitter.prototype.emitJavascriptVarDecl = function (varDecl, tokenId, writeDeclFile) {
            if (typeof writeDeclFile === "undefined") { writeDeclFile = false; }
            if((varDecl.varFlags & TypeScript.VarFlags.Ambient) == TypeScript.VarFlags.Ambient) {
                this.emitAmbientVarDecl(varDecl);
            } else {
                var sym = varDecl.sym;
                var hasInitializer = (varDecl.init != null);
                this.emitParensAndCommentsInPlace(varDecl, true);
                this.recordSourceMappingStart(varDecl);
                if(sym && sym.isMember() && sym.container && (sym.container.kind() == TypeScript.SymbolKind.Type)) {
                    var type = (sym.container).type;
                    if(type.isClass() && (!TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.ModuleMember))) {
                        if(this.emitState.container != EmitContainer.Args) {
                            if(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Static)) {
                                this.writeToOutput(sym.container.name + ".");
                            } else {
                                this.writeToOutput("this.");
                            }
                        }
                    } else {
                        if(type.hasImplementation()) {
                            if(!TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Exported) && (sym.container == this.checker.gloMod || !TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Property))) {
                                this.writeToOutput("var ");
                            } else {
                                if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.LocalStatic)) {
                                    this.writeToOutput(".");
                                } else {
                                    if(this.emitState.container == EmitContainer.DynamicModule) {
                                        this.writeToOutput("exports.");
                                    } else {
                                        this.writeToOutput(this.moduleName + ".");
                                    }
                                }
                            }
                        } else {
                            if(tokenId != TypeScript.TokenID.LParen) {
                                if(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Exported) && sym.container == this.checker.gloMod) {
                                    this.writeToOutput("this.");
                                } else {
                                    this.writeToOutput("var ");
                                }
                            }
                        }
                    }
                } else {
                    if(tokenId != TypeScript.TokenID.LParen) {
                        this.writeToOutput("var ");
                    }
                }
                this.recordSourceMappingStart(varDecl.id);
                this.writeToOutput(varDecl.id.text);
                this.recordSourceMappingEnd(varDecl.id);
                if(hasInitializer) {
                    this.writeToOutputTrimmable(" = ");
                    this.emitJavascript(varDecl.init, TypeScript.TokenID.Comma, false);
                } else {
                    if(sym && sym.isMember() && (this.emitState.container == EmitContainer.Constructor)) {
                        this.writeToOutputTrimmable(" = ");
                        this.writeToOutput(this.defaultValue(varDecl.type));
                    }
                }
                if((tokenId != TypeScript.TokenID.FOR) && (tokenId != TypeScript.TokenID.LParen)) {
                    this.writeToOutputTrimmable(";");
                }
                this.recordSourceMappingEnd(varDecl);
                this.emitParensAndCommentsInPlace(varDecl, false);
            }
            if(writeDeclFile) {
                this.emitVarSignature(varDecl);
            }
        };
        Emitter.prototype.declEnclosed = function (moduleDecl) {
            if(moduleDecl == null) {
                return true;
            }
            for(var i = 0, len = this.moduleDeclList.length; i < len; i++) {
                if(this.moduleDeclList[i] == moduleDecl) {
                    return true;
                }
            }
            return false;
        };
        Emitter.prototype.emitJavascriptName = function (name, addThis) {
            var sym = name.sym;
            this.emitParensAndCommentsInPlace(name, true);
            this.recordSourceMappingStart(name);
            if(!name.isMissing()) {
                if(addThis && (this.emitState.container != EmitContainer.Args) && sym) {
                    if(sym.container && (sym.container.name != TypeScript.globalId)) {
                        if(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Static) && (TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Property))) {
                            if(sym.declModule && TypeScript.hasFlag(sym.declModule.modFlags, TypeScript.ModuleFlags.IsDynamic)) {
                                this.writeToOutput("exports.");
                            } else {
                                this.writeToOutput(sym.container.name + ".");
                            }
                        } else {
                            if(sym.kind() == TypeScript.SymbolKind.Field) {
                                var fieldSym = sym;
                                if(TypeScript.hasFlag(fieldSym.flags, TypeScript.SymbolFlags.ModuleMember)) {
                                    if((sym.container != this.checker.gloMod) && ((TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Property)) || TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Exported))) {
                                        if(TypeScript.hasFlag(sym.declModule.modFlags, TypeScript.ModuleFlags.IsDynamic)) {
                                            this.writeToOutput("exports.");
                                        } else {
                                            this.writeToOutput(sym.container.name + ".");
                                        }
                                    }
                                } else {
                                    if(sym.isInstanceProperty()) {
                                        if(this.thisFnc && !this.thisFnc.isMethod() && (!this.thisFnc.isConstructor)) {
                                            this.writeToOutput("_this.");
                                        } else {
                                            this.writeToOutput("this.");
                                        }
                                    }
                                }
                            } else {
                                if(sym.kind() == TypeScript.SymbolKind.Type) {
                                    if(sym.isInstanceProperty()) {
                                        var typeSym = sym;
                                        var type = typeSym.type;
                                        if(type.call && !TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.ModuleMember)) {
                                            if(this.thisFnc && !this.thisFnc.isMethod() && !this.thisFnc.isConstructor) {
                                                this.writeToOutput("_this.");
                                            } else {
                                                this.writeToOutput("this.");
                                            }
                                        }
                                    } else {
                                        if((sym.unitIndex != this.checker.locationInfo.unitIndex) || (!this.declEnclosed(sym.declModule))) {
                                            this.writeToOutput(sym.container.name + ".");
                                        }
                                    }
                                }
                            }
                        }
                    } else {
                        if(sym.container == this.checker.gloMod && TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Exported) && !TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Ambient) && !((sym.isType() || sym.isMember()) && sym.declModule && TypeScript.hasFlag(sym.declModule.modFlags, TypeScript.ModuleFlags.Ambient)) && this.emitState.container == EmitContainer.Prog && sym.declAST.nodeType != TypeScript.NodeType.FuncDecl) {
                            this.writeToOutput("this.");
                        }
                    }
                }
                if(sym && sym.declAST && sym.declAST.nodeType == TypeScript.NodeType.Module && (TypeScript.hasFlag((sym.declAST).modFlags, TypeScript.ModuleFlags.IsDynamic))) {
                    var moduleDecl = sym.declAST;
                    if(TypeScript.moduleGenTarget == TypeScript.ModuleGenTarget.Asynchronous) {
                        this.writeLineToOutput("__" + this.modAliasId + "__;");
                    } else {
                        var modPath = name.text;
                        var isAmbient = moduleDecl.mod.symbol.declAST && TypeScript.hasFlag((moduleDecl.mod.symbol.declAST).modFlags, TypeScript.ModuleFlags.Ambient);
                        modPath = isAmbient ? modPath : this.firstModAlias ? this.firstModAlias : TypeScript.quoteBaseName(modPath);
                        modPath = isAmbient ? modPath : (!TypeScript.isRelative(TypeScript.stripQuotes(modPath)) ? TypeScript.quoteStr("./" + TypeScript.stripQuotes(modPath)) : modPath);
                        this.writeToOutput("require(" + modPath + ")");
                    }
                } else {
                    this.writeToOutput(name.text);
                }
            }
            this.recordSourceMappingEnd(name);
            this.emitParensAndCommentsInPlace(name, false);
        };
        Emitter.prototype.emitJavascriptStatements = function (stmts, emitEmptyBod, newlineAfterBlock) {
            if(stmts) {
                if(stmts.nodeType != TypeScript.NodeType.Block) {
                    var hasContents = (stmts && (stmts.nodeType != TypeScript.NodeType.List || ((stmts).members.length > 0)));
                    if(emitEmptyBod || hasContents) {
                        var hasOnlyBlockStatement = ((stmts.nodeType == TypeScript.NodeType.Block) || ((stmts.nodeType == TypeScript.NodeType.List) && ((stmts).members.length == 1) && ((stmts).members[0].nodeType == TypeScript.NodeType.Block)));
                        this.recordSourceMappingStart(stmts);
                        if(!hasOnlyBlockStatement) {
                            this.writeLineToOutput(" {");
                            this.increaseIndent();
                        }
                        this.emitJavascriptList(stmts, null, TypeScript.TokenID.SColon, true, false, false);
                        if(!hasOnlyBlockStatement) {
                            this.writeLineToOutput("");
                            this.decreaseIndent();
                            this.emitIndent();
                            this.writeToOutput("}");
                        }
                        this.recordSourceMappingEnd(stmts);
                    }
                } else {
                    this.emitJavascript(stmts, TypeScript.TokenID.SColon, true);
                }
            } else {
                if(emitEmptyBod) {
                    this.writeToOutput("{ }");
                }
            }
        };
        Emitter.prototype.emitBareJavascriptStatements = function (stmts, emitClassPropertiesAfterSuperCall) {
            if(stmts.nodeType != TypeScript.NodeType.Block) {
                if(stmts.nodeType == TypeScript.NodeType.List) {
                    var stmtList = stmts;
                    if((stmtList.members.length == 2) && (stmtList.members[0].nodeType == TypeScript.NodeType.Block) && (stmtList.members[1].nodeType == TypeScript.NodeType.EndCode)) {
                        this.emitJavascript(stmtList.members[0], TypeScript.TokenID.SColon, true);
                        this.writeLineToOutput("");
                    } else {
                        this.emitJavascriptList(stmts, null, TypeScript.TokenID.SColon, true, false, emitClassPropertiesAfterSuperCall);
                    }
                } else {
                    this.emitJavascript(stmts, TypeScript.TokenID.SColon, true);
                }
            } else {
                this.emitJavascript(stmts, TypeScript.TokenID.SColon, true);
            }
        };
        Emitter.prototype.recordSourceMappingStart = function (ast) {
            if(this.sourceMapper && ast) {
                var lineCol = {
                    line: -1,
                    col: -1
                };
                var sourceMapping = new TypeScript.SourceMapping(ast);
                sourceMapping.emittedStartColumn = this.emitState.column;
                sourceMapping.emittedStartLine = this.emitState.line;
                TypeScript.getSourceLineColFromMap(lineCol, ast.minChar, this.checker.locationInfo.lineMap);
                sourceMapping.sourceStartColumn = lineCol.col;
                sourceMapping.sourceStartLine = lineCol.line;
                TypeScript.getSourceLineColFromMap(lineCol, ast.limChar, this.checker.locationInfo.lineMap);
                sourceMapping.sourceEndColumn = lineCol.col;
                sourceMapping.sourceEndLine = lineCol.line;
                sourceMapping.parent = this.sourceMapper.currentMapping;
                this.sourceMapper.currentMapping = this.sourceMapper.sourceMappings.length;
                this.sourceMapper.sourceMappings.push(sourceMapping);
                if(sourceMapping.parent >= 0) {
                    var parentMapping = this.sourceMapper.sourceMappings[sourceMapping.parent];
                    if(parentMapping.firstChild == -1) {
                        parentMapping.firstChild = this.sourceMapper.currentMapping;
                    }
                }
            }
        };
        Emitter.prototype.recordSourceMappingEnd = function (ast) {
            if(this.sourceMapper && ast) {
                var currentMappingIndex = this.sourceMapper.currentMapping;
                var sourceMapping = this.sourceMapper.sourceMappings[currentMappingIndex];
                sourceMapping.emittedEndColumn = this.emitState.column;
                sourceMapping.emittedEndLine = this.emitState.line;
                this.sourceMapper.currentMapping = sourceMapping.parent;
            }
        };
        Emitter.prototype.emitSourceMappings = function () {
            TypeScript.SourceMapper.EmitSourceMapping(this.allSourceMappers);
        };
        Emitter.prototype.emitJavascriptList = function (ast, delimiter, tokenId, startLine, onlyStatics, emitClassPropertiesAfterSuperCall, writeDeclFile) {
            if(ast == null) {
                return;
            } else {
                if(ast.nodeType != TypeScript.NodeType.List) {
                    this.emitJavascript(ast, tokenId, startLine, writeDeclFile);
                } else {
                    var list = ast;
                    if(list.members.length == 0) {
                        return;
                    }
                    this.emitParensAndCommentsInPlace(ast, true);
                    var len = list.members.length;
                    for(var i = 0; i < len; i++) {
                        if(i == 1 && emitClassPropertiesAfterSuperCall) {
                            var constructorDecl = (this.thisClassNode).constructorDecl;
                            if(constructorDecl && constructorDecl.args) {
                                var argsLen = constructorDecl.args.members.length;
                                for(var iArg = 0; iArg < argsLen; iArg++) {
                                    var arg = constructorDecl.args.members[iArg];
                                    if((arg.varFlags & TypeScript.VarFlags.Property) != TypeScript.VarFlags.None) {
                                        this.emitIndent();
                                        this.recordSourceMappingStart(arg);
                                        this.recordSourceMappingStart(arg.id);
                                        this.writeToOutput("this." + arg.id.text);
                                        this.recordSourceMappingEnd(arg.id);
                                        this.writeToOutput(" = ");
                                        this.recordSourceMappingStart(arg.id);
                                        this.writeToOutput(arg.id.text);
                                        this.recordSourceMappingEnd(arg.id);
                                        this.writeLineToOutput(";");
                                        this.recordSourceMappingEnd(arg);
                                    }
                                }
                            }
                            var nProps = (this.thisClassNode.members).members.length;
                            for(var iMember = 0; iMember < nProps; iMember++) {
                                if((this.thisClassNode.members).members[iMember].nodeType == TypeScript.NodeType.VarDecl) {
                                    var varDecl = (this.thisClassNode.members).members[iMember];
                                    if(!TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Static) && varDecl.init) {
                                        this.emitIndent();
                                        this.emitJavascriptVarDecl(varDecl, TypeScript.TokenID.Tilde);
                                        this.writeLineToOutput("");
                                    }
                                }
                            }
                        }
                        var emitNode = list.members[i];
                        var isStaticDecl = (emitNode.nodeType == TypeScript.NodeType.FuncDecl && TypeScript.hasFlag((emitNode).fncFlags, TypeScript.FncFlags.Static)) || (emitNode.nodeType == TypeScript.NodeType.VarDecl && TypeScript.hasFlag((emitNode).varFlags, TypeScript.VarFlags.Static));
                        if(onlyStatics ? !isStaticDecl : isStaticDecl) {
                            continue;
                        }
                        this.emitJavascript(emitNode, tokenId, startLine, writeDeclFile);
                        if(delimiter && (i < (len - 1))) {
                            if(startLine) {
                                this.writeLineToOutput(delimiter);
                            } else {
                                this.writeToOutput(delimiter);
                            }
                        } else {
                            if(startLine && (emitNode.nodeType != TypeScript.NodeType.Interface) && (!((emitNode.nodeType == TypeScript.NodeType.VarDecl) && ((((emitNode).varFlags) & TypeScript.VarFlags.Ambient) == TypeScript.VarFlags.Ambient) && (((emitNode).init) == null))) && (emitNode.nodeType != TypeScript.NodeType.EndCode) && (emitNode.nodeType != TypeScript.NodeType.FuncDecl)) {
                                this.writeLineToOutput("");
                            }
                        }
                    }
                    this.emitParensAndCommentsInPlace(ast, false);
                }
            }
        };
        Emitter.prototype.emitJavascript = function (ast, tokenId, startLine, writeDeclFile) {
            if (typeof writeDeclFile === "undefined") { writeDeclFile = false; }
            if(ast == null) {
                return;
            }
            var parenthesize = false;
            if(startLine && (this.emitState.indentAmt > 0) && (ast.nodeType != TypeScript.NodeType.List) && (ast.nodeType != TypeScript.NodeType.Block)) {
                if((ast.nodeType != TypeScript.NodeType.Interface) && (!((ast.nodeType == TypeScript.NodeType.VarDecl) && ((((ast).varFlags) & TypeScript.VarFlags.Ambient) == TypeScript.VarFlags.Ambient) && (((ast).init) == null))) && (ast.nodeType != TypeScript.NodeType.EndCode) && ((ast.nodeType != TypeScript.NodeType.FuncDecl) || (this.emitState.container != EmitContainer.Constructor))) {
                    this.emitIndent();
                }
            }
            if(parenthesize) {
                this.writeToOutput("(");
            }
            ast.emit(this, tokenId, startLine, writeDeclFile);
            if(parenthesize) {
                this.writeToOutput(")");
            }
            if((tokenId == TypeScript.TokenID.SColon) && (ast.nodeType < TypeScript.NodeType.GeneralNode)) {
                this.writeToOutput(";");
            }
        };
        Emitter.prototype.emitPropertyAccessor = function (funcDecl, className, isProto, writeDeclFile) {
            if(!(funcDecl.accessorSymbol).hasBeenEmitted) {
                var accessorSymbol = funcDecl.accessorSymbol;
                this.emitIndent();
                this.recordSourceMappingStart(funcDecl);
                this.writeLineToOutput("Object.defineProperty(" + className + (isProto ? ".prototype, \"" : ", \"") + funcDecl.name.text + "\"" + ", {");
                this.increaseIndent();
                if(accessorSymbol.getter) {
                    var getter = accessorSymbol.getter.declAST;
                    this.emitIndent();
                    this.writeToOutput("get: ");
                    this.emitInnerFunction(getter, false, isProto, null, funcDecl.hasSelfReference(), null);
                    this.writeLineToOutput(",");
                }
                if(accessorSymbol.setter) {
                    var setter = accessorSymbol.setter.declAST;
                    this.emitIndent();
                    this.writeToOutput("set: ");
                    this.emitInnerFunction(setter, false, isProto, null, funcDecl.hasSelfReference(), null);
                    this.writeLineToOutput(",");
                }
                this.emitIndent();
                this.writeLineToOutput("enumerable: true,");
                this.emitIndent();
                this.writeLineToOutput("configurable: true");
                this.decreaseIndent();
                this.emitIndent();
                this.writeLineToOutput("});");
                this.recordSourceMappingEnd(funcDecl);
                if(writeDeclFile) {
                    this.emitPropertyAccessorSignature(funcDecl);
                }
                accessorSymbol.hasBeenEmitted = true;
            }
        };
        Emitter.prototype.emitPrototypeMember = function (member, className, writeDeclFile) {
            if(member.nodeType == TypeScript.NodeType.FuncDecl) {
                var funcDecl = member;
                if(funcDecl.isAccessor()) {
                    this.emitPropertyAccessor(funcDecl, className, true, writeDeclFile);
                } else {
                    this.emitIndent();
                    this.recordSourceMappingStart(funcDecl);
                    this.writeToOutput(className + ".prototype." + funcDecl.getNameText() + " = ");
                    this.emitInnerFunction(funcDecl, false, true, null, funcDecl.hasSelfReference(), null, writeDeclFile);
                    this.recordSourceMappingEnd(funcDecl);
                    this.writeLineToOutput(";");
                }
            } else {
                if(member.nodeType == TypeScript.NodeType.VarDecl) {
                    var varDecl = member;
                    if(varDecl.init) {
                        this.emitIndent();
                        this.recordSourceMappingStart(varDecl);
                        this.recordSourceMappingStart(varDecl.id);
                        this.writeToOutput(className + ".prototype." + varDecl.id.text);
                        this.recordSourceMappingEnd(varDecl.id);
                        this.writeToOutput(" = ");
                        this.emitJavascript(varDecl.init, TypeScript.TokenID.Asg, false);
                        this.recordSourceMappingEnd(varDecl);
                        this.writeLineToOutput(";");
                    }
                    if(writeDeclFile) {
                        this.emitVarSignature(varDecl);
                    }
                }
            }
        };
        Emitter.prototype.emitAddBaseMethods = function (className, base, classDecl) {
            if(base.members) {
                var baseSymbol = base.symbol;
                var baseName = baseSymbol.name;
                if(baseSymbol.declModule != classDecl.type.symbol.declModule) {
                    baseName = baseSymbol.fullName();
                }
                base.members.allMembers.map(function (key, s, c) {
                    var sym = s;
                    if((sym.kind() == TypeScript.SymbolKind.Type) && (sym).type.call) {
                        this.recordSourceMappingStart(sym.declAST);
                        this.writeLineToOutput(className + ".prototype." + sym.name + " = " + baseName + ".prototype." + sym.name + ";");
                        this.recordSourceMappingEnd(sym.declAST);
                    }
                }, null);
            }
            if(base.extendsList) {
                for(var i = 0, len = base.extendsList.length; i < len; i++) {
                    this.emitAddBaseMethods(className, base.extendsList[i], classDecl);
                }
            }
        };
        Emitter.prototype.emitJavascriptClass = function (classDecl, writeDeclFile) {
            if(!TypeScript.hasFlag(classDecl.varFlags, TypeScript.VarFlags.Ambient)) {
                var svClassNode = this.thisClassNode;
                var i = 0;
                this.thisClassNode = classDecl;
                var className = classDecl.name.text;
                this.emitParensAndCommentsInPlace(classDecl, true);
                var oldDeclContainingAST = null;
                if(writeDeclFile) {
                    writeDeclFile = this.emitClassSignatureIdentifierAndHeritage(classDecl);
                    if(writeDeclFile) {
                        oldDeclContainingAST = this.setDeclContainingAST(classDecl);
                    }
                }
                var temp = this.setContainer(EmitContainer.Class);
                this.recordSourceMappingStart(classDecl);
                if(TypeScript.hasFlag(classDecl.varFlags, TypeScript.VarFlags.Exported) && classDecl.type.symbol.container == this.checker.gloMod) {
                    this.writeToOutput("this." + className);
                } else {
                    this.writeToOutput("var " + className);
                }
                var _class = classDecl.type;
                var instanceType = _class.instanceType;
                var baseClass = instanceType ? instanceType.baseClass() : null;
                var baseNameDecl = null;
                var baseName = null;
                if(baseClass) {
                    this.writeLineToOutput(" = (function (_super) {");
                } else {
                    this.writeLineToOutput(" = (function () {");
                }
                this.increaseIndent();
                if(baseClass) {
                    baseNameDecl = classDecl.extendsList.members[0];
                    baseName = baseNameDecl.nodeType == TypeScript.NodeType.Call ? (baseNameDecl).target : baseNameDecl;
                    this.emitIndent();
                    this.writeLineToOutput("__extends(" + className + ", _super);");
                    var elen = instanceType.extendsList.length;
                    if(elen > 1) {
                        for(var i = 1; i < elen; i++) {
                            var base = instanceType.extendsList[i];
                            this.emitAddBaseMethods(className, base, classDecl);
                        }
                    }
                }
                this.emitIndent();
                var constrDecl = classDecl.constructorDecl;
                if(constrDecl) {
                    this.emitJavascript(classDecl.constructorDecl, TypeScript.TokenID.LParen, false, false);
                    if(writeDeclFile) {
                        this.emitMembersFromConstructorDefinition(classDecl.constructorDecl);
                    }
                } else {
                    var wroteProps = 0;
                    this.recordSourceMappingStart(classDecl);
                    this.increaseIndent();
                    this.writeToOutput("function " + classDecl.name.text + "() {");
                    if(baseClass) {
                        this.writeLineToOutput("");
                        this.emitIndent();
                        this.writeLineToOutput("_super.apply(this, arguments);");
                        wroteProps++;
                    }
                    var members = (this.thisClassNode.members).members;
                    for(var i = 0; i < members.length; i++) {
                        if(members[i].nodeType == TypeScript.NodeType.VarDecl) {
                            var varDecl = members[i];
                            if(!TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Static) && varDecl.init) {
                                this.writeLineToOutput("");
                                this.emitIndent();
                                this.emitJavascriptVarDecl(varDecl, TypeScript.TokenID.Tilde);
                                wroteProps++;
                            }
                        }
                    }
                    if(wroteProps) {
                        this.writeLineToOutput("");
                        this.decreaseIndent();
                        this.emitIndent();
                        this.writeLineToOutput("}");
                    } else {
                        this.writeLineToOutput(" }");
                        this.decreaseIndent();
                    }
                    this.recordSourceMappingEnd(classDecl);
                }
                var membersLen = classDecl.definitionMembers.members.length;
                for(var j = 0; j < membersLen; j++) {
                    var memberDecl = classDecl.definitionMembers.members[j];
                    if(memberDecl.nodeType == TypeScript.NodeType.FuncDecl) {
                        var fn = memberDecl;
                        if(TypeScript.hasFlag(fn.fncFlags, TypeScript.FncFlags.Method) && !fn.isSignature()) {
                            if(!TypeScript.hasFlag(fn.fncFlags, TypeScript.FncFlags.Static)) {
                                this.emitPrototypeMember(fn, className, writeDeclFile);
                            } else {
                                if(fn.isAccessor()) {
                                    this.emitPropertyAccessor(fn, this.thisClassNode.name.text, false, writeDeclFile);
                                } else {
                                    this.emitIndent();
                                    this.recordSourceMappingStart(fn);
                                    this.writeToOutput(classDecl.name.text + "." + fn.name.text + " = ");
                                    this.emitInnerFunction(fn, (fn.name && !fn.name.isMissing()), false, null, fn.hasSelfReference(), null, writeDeclFile);
                                    this.recordSourceMappingEnd(fn);
                                }
                            }
                        } else {
                            if(writeDeclFile) {
                                this.emitFuncSignature(fn);
                            }
                        }
                    } else {
                        if(memberDecl.nodeType == TypeScript.NodeType.VarDecl) {
                            var varDecl = memberDecl;
                            if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Static)) {
                                this.emitIndent();
                                this.recordSourceMappingStart(varDecl);
                                this.writeToOutput(classDecl.name.text + "." + varDecl.id.text + " = ");
                                if(varDecl.init) {
                                    this.emitJavascript(varDecl.init, TypeScript.TokenID.Asg, false);
                                    this.writeLineToOutput(";");
                                } else {
                                    this.writeLineToOutput(this.defaultValue(varDecl.type) + ";");
                                }
                                if(writeDeclFile) {
                                    this.emitVarSignature(varDecl);
                                }
                                this.recordSourceMappingEnd(varDecl);
                            } else {
                                if(writeDeclFile) {
                                    this.emitVarSignature(varDecl);
                                }
                            }
                        } else {
                            throw Error("We want to catch this");
                        }
                    }
                }
                this.emitIndent();
                this.recordSourceMappingStart(classDecl);
                this.writeLineToOutput("return " + className + ";");
                this.recordSourceMappingEnd(classDecl);
                this.decreaseIndent();
                this.emitIndent();
                this.writeToOutput("})(");
                if(baseClass) {
                    this.emitJavascript(baseName, TypeScript.TokenID.Tilde, false);
                }
                this.writeToOutput(");");
                if(writeDeclFile) {
                    this.setDeclContainingAST(oldDeclContainingAST);
                    this.emitIndentToDeclFile();
                    this.declFile.WriteLine("}");
                }
                if((temp == EmitContainer.Module || temp == EmitContainer.DynamicModule) && TypeScript.hasFlag(classDecl.varFlags, TypeScript.VarFlags.Exported)) {
                    this.writeLineToOutput("");
                    this.emitIndent();
                    var modName = temp == EmitContainer.Module ? this.moduleName : "exports";
                    this.recordSourceMappingStart(classDecl);
                    this.writeToOutput(modName + "." + className + " = " + className + ";");
                    this.recordSourceMappingEnd(classDecl);
                }
                this.emitIndent();
                this.recordSourceMappingEnd(classDecl);
                this.emitParensAndCommentsInPlace(classDecl, false);
                this.setContainer(temp);
                this.thisClassNode = svClassNode;
            } else {
                if(writeDeclFile) {
                    this.emitClassSignature(classDecl);
                }
            }
        };
        Emitter.prototype.emitPrologue = function (reqInherits) {
            if(!this.prologueEmitted) {
                if(reqInherits) {
                    this.prologueEmitted = true;
                    this.writeLineToOutput("var __extends = this.__extends || function (d, b) {");
                    this.writeLineToOutput("    function __() { this.constructor = d; }");
                    this.writeLineToOutput("    __.prototype = b.prototype;");
                    this.writeLineToOutput("    d.prototype = new __();");
                    this.writeLineToOutput("}");
                }
            }
        };
        Emitter.prototype.emitSuperReference = function () {
            this.writeToOutput("_super.prototype");
        };
        Emitter.prototype.emitSuperCall = function (callEx) {
            if(callEx.target.nodeType == TypeScript.NodeType.Dot) {
                var dotNode = callEx.target;
                if(dotNode.operand1.nodeType == TypeScript.NodeType.Super) {
                    this.emitJavascript(dotNode, TypeScript.TokenID.LParen, false);
                    this.writeToOutput(".call(this");
                    if(callEx.args && callEx.args.members.length > 0) {
                        this.writeToOutput(", ");
                        this.emitJavascriptList(callEx.args, ", ", TypeScript.TokenID.Comma, false, false, false);
                    }
                    this.writeToOutput(")");
                    return true;
                }
            }
            return false;
        };
        return Emitter;
    })();
    TypeScript.Emitter = Emitter;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var ErrorReporter = (function () {
        function ErrorReporter(outfile) {
            this.outfile = outfile;
            this.parser = null;
            this.checker = null;
            this.lineCol = {
                line: 0,
                col: 0
            };
            this.emitAsComments = true;
            this.hasErrors = false;
            this.pushToErrorSink = false;
            this.errorSink = [];
        }
        ErrorReporter.prototype.getCapturedErrors = function () {
            return this.errorSink;
        };
        ErrorReporter.prototype.freeCapturedErrors = function () {
            this.errorSink = [];
        };
        ErrorReporter.prototype.captureError = function (emsg) {
            this.errorSink[this.errorSink.length] = emsg;
        };
        ErrorReporter.prototype.setErrOut = function (outerr) {
            this.outfile = outerr;
            this.emitAsComments = false;
        };
        ErrorReporter.prototype.emitPrefix = function () {
            if(this.emitAsComments) {
                this.outfile.Write("// ");
            }
            this.outfile.Write(this.checker.locationInfo.filename + "(" + this.lineCol.line + "," + this.lineCol.col + "): ");
        };
        ErrorReporter.prototype.writePrefix = function (ast) {
            if(ast) {
                this.setError(ast);
            } else {
                this.lineCol.line = -1;
                this.lineCol.col = -1;
            }
            this.emitPrefix();
        };
        ErrorReporter.prototype.writePrefixFromSym = function (symbol) {
            if(symbol && this.checker.locationInfo.lineMap) {
                TypeScript.getSourceLineColFromMap(this.lineCol, symbol.location, this.checker.locationInfo.lineMap);
            } else {
                this.lineCol.line = -1;
                this.lineCol.col = -1;
            }
            this.emitPrefix();
        };
        ErrorReporter.prototype.setError = function (ast) {
            if(ast) {
                ast.flags |= TypeScript.ASTFlags.Error;
                if(this.checker.locationInfo.lineMap) {
                    TypeScript.getSourceLineColFromMap(this.lineCol, ast.minChar, this.checker.locationInfo.lineMap);
                }
            }
        };
        ErrorReporter.prototype.reportError = function (ast, message) {
            if(this.pushToErrorSink) {
                this.captureError(message);
                return;
            }
            this.hasErrors = true;
            var len = (ast.limChar - ast.minChar);
            if(this.parser.errorRecovery && this.parser.errorCallback) {
                this.parser.errorCallback(ast.minChar, len, message, this.checker.locationInfo.unitIndex);
            } else {
                this.writePrefix(ast);
                this.outfile.WriteLine(message);
            }
        };
        ErrorReporter.prototype.reportErrorFromSym = function (symbol, message) {
            if(this.pushToErrorSink) {
                this.captureError(message);
                return;
            }
            this.hasErrors = true;
            if(this.parser.errorRecovery && this.parser.errorCallback) {
                this.parser.errorCallback(symbol.location, 1, message, this.checker.locationInfo.unitIndex);
            } else {
                this.writePrefixFromSym(symbol);
                this.outfile.WriteLine(message);
            }
        };
        ErrorReporter.prototype.emitterError = function (ast, message) {
            this.reportError(ast, message);
            throw Error("EmitError");
        };
        ErrorReporter.prototype.duplicateIdentifier = function (ast, name) {
            this.reportError(ast, "Duplicate identifier '" + name + "'");
        };
        ErrorReporter.prototype.showRef = function (ast, text, symbol) {
            var defLineCol = {
                line: -1,
                col: -1
            };
            this.parser.getSourceLineCol(defLineCol, symbol.location);
            this.reportError(ast, "symbol " + text + " defined at (" + defLineCol.line + "," + defLineCol.col + ")");
        };
        ErrorReporter.prototype.unresolvedSymbol = function (ast, name) {
            this.reportError(ast, "The name '" + name + "' does not exist in the current scope");
        };
        ErrorReporter.prototype.symbolDoesNotReferToAValue = function (ast, name) {
            this.reportError(ast, "The name '" + name + "' does not refer to a value");
        };
        ErrorReporter.prototype.styleError = function (ast, msg) {
            var bkThrow = this.pushToErrorSink;
            this.pushToErrorSink = false;
            this.reportError(ast, "STYLE: " + msg);
            this.pushToErrorSink = bkThrow;
        };
        ErrorReporter.prototype.simpleError = function (ast, msg) {
            this.reportError(ast, msg);
        };
        ErrorReporter.prototype.simpleErrorFromSym = function (sym, msg) {
            this.reportErrorFromSym(sym, msg);
        };
        ErrorReporter.prototype.invalidSuperReference = function (ast) {
            this.simpleError(ast, "Keyword 'super' can only be used inside a class instance method");
        };
        ErrorReporter.prototype.valueCannotBeModified = function (ast) {
            this.simpleError(ast, "The left-hand side of an assignment expression must be a variable, property or indexer");
        };
        ErrorReporter.prototype.invalidCall = function (ast, nodeType, scope) {
            var targetType = ast.target.type;
            var typeName = targetType.getScopedTypeName(scope);
            if(targetType.construct && (nodeType == TypeScript.NodeType.Call)) {
                this.reportError(ast, "Value of type '" + typeName + "' is not callable.  Did you mean to include 'new'?");
            } else {
                var catString = (nodeType == TypeScript.NodeType.Call) ? "callable" : "newable";
                this.reportError(ast, "Value of type '" + typeName + "' is not " + catString);
            }
        };
        ErrorReporter.prototype.indexLHS = function (ast, scope) {
            var targetType = ast.operand1.type.getScopedTypeName(scope);
            var indexType = ast.operand2.type.getScopedTypeName(scope);
            this.simpleError(ast, "Value of type '" + targetType + "' is not indexable by type '" + indexType + "'");
        };
        ErrorReporter.prototype.incompatibleTypes = function (ast, t1, t2, op, scope, comparisonInfo) {
            if(!t1) {
                t1 = this.checker.anyType;
            }
            if(!t2) {
                t2 = this.checker.anyType;
            }
            var reason = comparisonInfo ? comparisonInfo.message : "";
            if(op) {
                this.reportError(ast, "Operator '" + op + "' cannot be applied to types '" + t1.getScopedTypeName(scope) + "' and '" + t2.getScopedTypeName(scope) + "'" + (reason ? ": " + reason : ""));
            } else {
                this.reportError(ast, "Cannot convert '" + t1.getScopedTypeName(scope) + "' to '" + t2.getScopedTypeName(scope) + "'" + (reason ? ": " + reason : ""));
            }
        };
        ErrorReporter.prototype.expectedClassOrInterface = function (ast) {
            this.simpleError(ast, "Expected var, class, interface, or module");
        };
        ErrorReporter.prototype.unaryOperatorTypeError = function (ast, op, type) {
            this.reportError(ast, "Operator '" + op + "' cannot be applied to type '" + type.getTypeName() + "'");
        };
        return ErrorReporter;
    })();
    TypeScript.ErrorReporter = ErrorReporter;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    (function (TypeContext) {
        TypeContext._map = [];
        TypeContext.NoTypes = 0;
        TypeContext.ArraySuffix = 1;
        TypeContext.Primitive = 2;
        TypeContext.Named = 4;
        TypeContext.AllSimpleTypes = TypeContext.Primitive | TypeContext.Named;
        TypeContext.AllTypes = TypeContext.Primitive | TypeContext.Named | TypeContext.ArraySuffix;
    })(TypeScript.TypeContext || (TypeScript.TypeContext = {}));
    var TypeContext = TypeScript.TypeContext;

    (function (ParseState) {
        ParseState._map = [];
        ParseState._map[0] = "None";
        ParseState.None = 0;
        ParseState._map[1] = "StartScript";
        ParseState.StartScript = 1;
        ParseState._map[2] = "StartStmtList";
        ParseState.StartStmtList = 2;
        ParseState._map[3] = "StartStatement";
        ParseState.StartStatement = 3;
        ParseState._map[4] = "StartFncDecl";
        ParseState.StartFncDecl = 4;
        ParseState._map[5] = "FncDeclName";
        ParseState.FncDeclName = 5;
        ParseState._map[6] = "FncDeclArgs";
        ParseState.FncDeclArgs = 6;
        ParseState._map[7] = "FncDeclReturnType";
        ParseState.FncDeclReturnType = 7;
        ParseState._map[8] = "ForInit";
        ParseState.ForInit = 8;
        ParseState._map[9] = "ForInitAfterVar";
        ParseState.ForInitAfterVar = 9;
        ParseState._map[10] = "ForCondStart";
        ParseState.ForCondStart = 10;
        ParseState._map[11] = "EndStmtList";
        ParseState.EndStmtList = 11;
        ParseState._map[12] = "EndScript";
        ParseState.EndScript = 12;
    })(TypeScript.ParseState || (TypeScript.ParseState = {}));
    var ParseState = TypeScript.ParseState;

    var QuickParseResult = (function () {
        function QuickParseResult(Script, endLexState) {
            this.Script = Script;
            this.endLexState = endLexState;
        }
        return QuickParseResult;
    })();
    TypeScript.QuickParseResult = QuickParseResult;    
    var Parser = (function () {
        function Parser() {
            this.varLists = [];
            this.scopeLists = [];
            this.staticsLists = [];
            this.scanner = new TypeScript.Scanner();
            this.tok = null;
            this.needTerminator = false;
            this.inFnc = false;
            this.inStaticFnc = false;
            this.inInterfaceDecl = false;
            this.currentClassDecl = null;
            this.inFncDecl = false;
            this.anonId = new TypeScript.Identifier("_anonymous");
            this.style_requireSemi = false;
            this.style_funcInLoop = true;
            this.incremental = false;
            this.errorRecovery = false;
            this.outfile = undefined;
            this.errorCallback = null;
            this.state = ParseState.StartStmtList;
            this.cursorLine = -1;
            this.cursorColumn = -1;
            this.cursorState = ParseState.None;
            this.errorMessage = "";
            this.ambientModule = false;
            this.ambientClass = false;
            this.topLevel = true;
            this.currentUnitIndex = (-1);
            this.prevIDTok = null;
            this.stmtStack = new Array();
            this.hasTopLevelImportOrExport = false;
            this.strictMode = false;
            this.nestingLevel = 0;
            this.prevExpr = null;
            this.currentClassDefinition = null;
            this.parsingClassConstructorDefinition = false;
            this.parsingDeclareFile = false;
            this.amdDependencies = [];
            this.inferPropertiesFromThisAssignment = false;
            this.fname = "";
            this.parseError = false;
        }
        Parser.prototype.resetStmtStack = function () {
            this.stmtStack = new Array();
        };
        Parser.prototype.inLoop = function () {
            for(var j = this.stmtStack.length - 1; j >= 0; j--) {
                if(this.stmtStack[j].stmt.isLoop()) {
                    return true;
                }
            }
            return false;
        };
        Parser.prototype.pushStmt = function (stmt, labels) {
            var info = {
                stmt: stmt,
                labels: labels
            };
            this.stmtStack.push(info);
        };
        Parser.prototype.popStmt = function () {
            return this.stmtStack.pop();
        };
        Parser.prototype.resolveJumpTarget = function (jump) {
            var len = this.stmtStack.length;
            for(var i = len - 1; i >= 0; i--) {
                var info = this.stmtStack[i];
                if(jump.target) {
                    if(info.labels && (info.labels.members.length > 0)) {
                        for(var j = 0, labLen = info.labels.members.length; j < labLen; j++) {
                            var label = info.labels.members[j];
                            if(label.id.text == jump.target) {
                                jump.setResolvedTarget(this, info.stmt);
                                return;
                            }
                        }
                    }
                } else {
                    if(info.stmt.isLoop()) {
                        jump.setResolvedTarget(this, info.stmt);
                        return;
                    } else {
                        if((info.stmt.nodeType == TypeScript.NodeType.Switch) && (jump.nodeType == TypeScript.NodeType.Break)) {
                            jump.setResolvedTarget(this, info.stmt);
                            return;
                        }
                    }
                }
            }
            if(jump.target) {
                this.reportParseError("could not find enclosing statement with label " + jump.target);
            } else {
                if(jump.nodeType == TypeScript.NodeType.Break) {
                    this.reportParseError("break statement requires enclosing loop or switch");
                } else {
                    this.reportParseError("continue statement requires enclosing loop");
                }
            }
        };
        Parser.prototype.setNonInteractive = function () {
            this.errorRecovery = false;
        };
        Parser.prototype.setErrorRecovery = function (outf, l, c) {
            this.outfile = outf;
            this.cursorLine = l;
            this.cursorColumn = c;
            this.cursorState = ParseState.None;
            this.errorRecovery = true;
        };
        Parser.prototype.posMatchesCursor = function (pos) {
            var lineCol = {
                line: -1,
                col: -1
            };
            this.getSourceLineCol(lineCol, pos);
            return (lineCol.line == this.cursorLine) && (lineCol.col == this.cursorColumn);
        };
        Parser.prototype.getSourceLineCol = function (lineCol, minChar) {
            TypeScript.getSourceLineColFromMap(lineCol, minChar, this.scanner.lineMap);
        };
        Parser.prototype.createRef = function (text, minChar) {
            var id = new TypeScript.Identifier(text);
            id.minChar = minChar;
            return id;
        };
        Parser.prototype.reportParseStyleError = function (message) {
            this.reportParseError("STYLE: " + message);
        };
        Parser.prototype.reportParseError = function (message, startPos, pos) {
            if (typeof startPos === "undefined") { startPos = this.scanner.startPos; }
            if (typeof pos === "undefined") { pos = this.scanner.pos; }
            var len = Math.max(1, pos - startPos);
            if(this.errorCallback) {
                this.errorCallback(startPos, len, message, this.currentUnitIndex);
            } else {
                if(this.errorRecovery) {
                    var lineCol = {
                        line: -1,
                        col: -1
                    };
                    this.getSourceLineCol(lineCol, startPos);
                    if(this.outfile) {
                        this.outfile.WriteLine("// " + this.fname + " (" + lineCol.line + "," + lineCol.col + "): " + message);
                    }
                } else {
                    throw new SyntaxError(this.fname + " (" + this.scanner.line + "," + this.scanner.col + "): " + message);
                }
            }
        };
        Parser.prototype.chkNxtTok = function (tokenId, errorText, errorRecoverySet) {
            this.tok = this.scanner.scan();
            this.chkCurTok(tokenId, errorText, errorRecoverySet);
        };
        Parser.prototype.skip = function (errorRecoverySet) {
            errorRecoverySet |= TypeScript.ErrorRecoverySet.EOF;
            var ersTok = TypeScript.ErrorRecoverySet.None;
            var tokenInfo = TypeScript.lookupToken(this.tok.tokenId);
            if(tokenInfo != undefined) {
                ersTok = tokenInfo.ers;
            }
            var pendingRightCurlies = 0;
            while(((ersTok & errorRecoverySet) == TypeScript.ErrorRecoverySet.None) || (this.tok.tokenId == TypeScript.TokenID.RCurly) && (pendingRightCurlies > 0)) {
                if(this.tok.tokenId == TypeScript.TokenID.LCurly) {
                    pendingRightCurlies++;
                } else {
                    if(this.tok.tokenId == TypeScript.TokenID.RCurly) {
                        pendingRightCurlies--;
                    }
                }
                this.tok = this.scanner.scan();
                ersTok = TypeScript.ErrorRecoverySet.None;
                tokenInfo = TypeScript.lookupToken(this.tok.tokenId);
                if(tokenInfo != undefined) {
                    ersTok = tokenInfo.ers;
                }
            }
        };
        Parser.prototype.chkCurTok = function (tokenId, errorText, errorRecoverySet) {
            if(this.tok.tokenId != tokenId) {
                this.reportParseError(errorText);
                if(this.errorRecovery) {
                    this.skip(errorRecoverySet);
                }
            } else {
                this.tok = this.scanner.scan();
            }
        };
        Parser.prototype.pushDeclLists = function () {
            this.staticsLists.push(new TypeScript.ASTList());
            this.varLists.push(new TypeScript.ASTList());
            this.scopeLists.push(new TypeScript.ASTList());
        };
        Parser.prototype.popDeclLists = function () {
            this.staticsLists.pop();
            this.varLists.pop();
            this.scopeLists.pop();
        };
        Parser.prototype.topVarList = function () {
            return this.varLists[this.varLists.length - 1];
        };
        Parser.prototype.topScopeList = function () {
            return this.scopeLists[this.scopeLists.length - 1];
        };
        Parser.prototype.topStaticsList = function () {
            return this.staticsLists[this.staticsLists.length - 1];
        };
        Parser.prototype.parseComment = function (comment) {
            if(comment) {
                var c = new TypeScript.Comment(comment.value, comment.isBlock, comment.endsLine);
                c.minChar = comment.startPos;
                c.limChar = comment.startPos + comment.value.length;
                if(!comment.isBlock && comment.value.length > 3 && comment.value.substring(0, 3) == "///") {
                    var dependencyPath = TypeScript.getAdditionalDependencyPath(comment.value);
                    if(dependencyPath) {
                        this.amdDependencies.push(dependencyPath);
                    }
                }
                return c;
            } else {
                return null;
            }
        };
        Parser.prototype.parseCommentsInner = function (comments) {
            if(comments) {
                var commentASTs = new Array();
                for(var i = 0; i < comments.length; i++) {
                    commentASTs.push(this.parseComment(comments[i]));
                }
                return commentASTs;
            } else {
                return null;
            }
        };
        Parser.prototype.parseComments = function () {
            var comments = this.scanner.getComments();
            return this.parseCommentsInner(comments);
        };
        Parser.prototype.parseCommentsForLine = function (line) {
            var comments = this.scanner.getCommentsForLine(line);
            return this.parseCommentsInner(comments);
        };
        Parser.prototype.combineComments = function (comment1, comment2) {
            if(comment1 == null) {
                return comment2;
            } else {
                if(comment2 == null) {
                    return comment1;
                } else {
                    return comment1.concat(comment2);
                }
            }
        };
        Parser.prototype.parseEnumDecl = function (errorRecoverySet, modifiers) {
            var leftCurlyCount = this.scanner.leftCurlyCount;
            var rightCurlyCount = this.scanner.rightCurlyCount;
            var name = null;
            if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                name = new TypeScript.Identifier(this.tok.getText());
                name.minChar = this.scanner.startPos;
                name.limChar = this.scanner.pos;
                this.tok = this.scanner.scan();
            } else {
                this.reportParseError("Enum declaration requires identifier");
                if(this.errorRecovery) {
                    name = new TypeScript.MissingIdentifier();
                    name.minChar = this.scanner.startPos;
                    name.limChar = this.scanner.startPos;
                    name.flags |= TypeScript.ASTFlags.Error;
                }
            }
            var membersMinChar = this.scanner.startPos;
            this.chkCurTok(TypeScript.TokenID.LCurly, "Expected '{'", errorRecoverySet | TypeScript.ErrorRecoverySet.ID);
            this.pushDeclLists();
            var members = new TypeScript.ASTList();
            members.minChar = membersMinChar;
            var mapDecl = new TypeScript.VarDecl(new TypeScript.Identifier("_map"), 0);
            mapDecl.varFlags |= TypeScript.VarFlags.Exported;
            mapDecl.varFlags |= TypeScript.VarFlags.Private;
            mapDecl.varFlags |= (TypeScript.VarFlags.Property | TypeScript.VarFlags.Public);
            mapDecl.init = new TypeScript.UnaryExpression(TypeScript.NodeType.ArrayLit, null);
            members.append(mapDecl);
            var lastValue = null;
            for(; ; ) {
                var minChar = this.scanner.startPos;
                var limChar;
                var memberName = null;
                var memberValue = null;
                var preComments = null;
                var postComments = null;
                if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToIDName(this.tok)) {
                    memberName = new TypeScript.Identifier(this.tok.getText());
                    memberName.minChar = this.scanner.startPos;
                    memberName.limChar = this.scanner.pos;
                } else {
                    if(this.tok.tokenId == TypeScript.TokenID.RCurly) {
                        break;
                    } else {
                        this.reportParseError("Expected identifer of enum member");
                        if(this.errorRecovery) {
                            memberName = new TypeScript.MissingIdentifier();
                            memberName.minChar = this.scanner.startPos;
                            memberName.limChar = this.scanner.startPos;
                            memberName.flags |= TypeScript.ASTFlags.Error;
                        }
                    }
                }
                limChar = this.scanner.pos;
                preComments = this.parseComments();
                this.tok = this.scanner.scan();
                postComments = this.parseComments();
                if(this.tok.tokenId == TypeScript.TokenID.Asg) {
                    this.tok = this.scanner.scan();
                    memberValue = this.parseExpr(errorRecoverySet, TypeScript.OperatorPrecedence.Cma, true, TypeContext.NoTypes);
                    lastValue = memberValue;
                    limChar = memberValue.limChar;
                } else {
                    if(lastValue == null) {
                        memberValue = new TypeScript.NumberLiteral(0);
                        lastValue = memberValue;
                    } else {
                        memberValue = new TypeScript.NumberLiteral(lastValue.value + 1);
                        lastValue = memberValue;
                    }
                    var map = new TypeScript.BinaryExpression(TypeScript.NodeType.Asg, new TypeScript.BinaryExpression(TypeScript.NodeType.Index, new TypeScript.Identifier("_map"), memberValue), new TypeScript.StringLiteral('"' + memberName.text + '"'));
                    members.append(map);
                }
                var member = new TypeScript.VarDecl(memberName, this.nestingLevel);
                member.minChar = minChar;
                member.limChar = limChar;
                member.init = memberValue;
                member.typeExpr = new TypeScript.TypeReference(this.createRef(name.text, -1), 0);
                member.varFlags |= (TypeScript.VarFlags.Readonly | TypeScript.VarFlags.Property);
                if(memberValue.nodeType == TypeScript.NodeType.NumberLit) {
                    member.varFlags |= TypeScript.VarFlags.Constant;
                }
                member.preComments = preComments;
                members.append(member);
                member.postComments = postComments;
                member.varFlags |= TypeScript.VarFlags.Exported;
                if(this.tok.tokenId == TypeScript.TokenID.Comma) {
                    this.tok = this.scanner.scan();
                    member.postComments = this.combineComments(member.postComments, this.parseCommentsForLine(this.scanner.prevLine));
                    if((this.tok.tokenId == TypeScript.TokenID.ID) || (TypeScript.convertTokToIDName(this.tok))) {
                        continue;
                    }
                }
                break;
            }
            this.chkCurTok(TypeScript.TokenID.RCurly, "Expected '}'", errorRecoverySet);
            members.limChar = this.scanner.lastTokenLimChar();
            var modDecl = new TypeScript.ModuleDecl(name, members, this.topVarList(), this.topScopeList());
            modDecl.modFlags |= TypeScript.ModuleFlags.IsEnum;
            this.popDeclLists();
            modDecl.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
            modDecl.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
            return modDecl;
        };
        Parser.prototype.parseDottedName = function (enclosedList) {
            this.tok = this.scanner.scan();
            if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                var id = new TypeScript.Identifier(this.tok.getText());
                id.preComments = this.parseComments();
                enclosedList[enclosedList.length] = id;
                id.minChar = this.scanner.startPos;
                id.limChar = this.scanner.pos;
                this.tok = this.scanner.scan();
                if(this.tok.tokenId == TypeScript.TokenID.Dot) {
                    this.parseDottedName(enclosedList);
                }
            } else {
                this.reportParseError("need identifier after '.'");
            }
        };
        Parser.prototype.isValidImportPath = function (importPath) {
            importPath = TypeScript.stripQuotes(importPath);
            if(!importPath || importPath.indexOf(':') != -1 || importPath.indexOf('\\') != -1 || importPath.charAt(0) == '/') {
                return false;
            }
            return true;
        };
        Parser.prototype.parseImportDecl = function (errorRecoverySet, modifiers) {
            var name = null;
            var alias = null;
            var importDecl = null;
            var minChar = this.scanner.startPos;
            var isDynamicImport = false;
            this.tok = this.scanner.scan();
            if(this.tok.tokenId == TypeScript.TokenID.ID || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                name = new TypeScript.Identifier(this.tok.getText());
            } else {
                this.reportParseError("Expected identifer after 'import'");
                name = new TypeScript.MissingIdentifier();
            }
            name.minChar = this.scanner.startPos;
            name.limChar = this.scanner.pos;
            this.tok = this.scanner.scan();
            this.chkCurTok(TypeScript.TokenID.Asg, "Expected =", errorRecoverySet | TypeScript.ErrorRecoverySet.ID);
            var aliasPreComments = this.parseComments();
            var limChar;
            if(this.tok.tokenId == TypeScript.TokenID.ID || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                if(this.tok.tokenId == TypeScript.TokenID.MODULE) {
                    limChar = this.scanner.pos;
                    this.tok = this.scanner.scan();
                    if(this.tok.tokenId == TypeScript.TokenID.LParen) {
                        this.tok = this.scanner.scan();
                        if(this.tok.tokenId == TypeScript.TokenID.QString || this.tok.tokenId == TypeScript.TokenID.ID || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                            if(this.tok.tokenId == TypeScript.TokenID.QString) {
                                if(this.topLevel) {
                                    this.hasTopLevelImportOrExport = true;
                                }
                                var aliasText = this.tok.getText();
                                if(!this.isValidImportPath(aliasText)) {
                                    this.reportParseError("Invalid import path");
                                }
                                alias = new TypeScript.Identifier(aliasText);
                                alias.minChar = this.scanner.startPos;
                                alias.limChar = this.scanner.pos;
                                isDynamicImport = true;
                                this.tok = this.scanner.scan();
                                alias.preComments = aliasPreComments;
                            } else {
                                alias = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, TypeScript.OperatorPrecedence.Asg, true, TypeContext.NoTypes);
                                alias.preComments = aliasPreComments;
                            }
                        }
                        limChar = this.scanner.pos;
                        this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", errorRecoverySet | TypeScript.ErrorRecoverySet.ID);
                        if(alias) {
                            alias.postComments = this.parseComments();
                        }
                        if(this.tok.tokenId == TypeScript.TokenID.SColon) {
                            limChar = this.scanner.pos;
                            this.tok = this.scanner.scan();
                        }
                    }
                } else {
                    alias = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, TypeScript.OperatorPrecedence.Asg, true, TypeContext.NoTypes);
                    limChar = this.scanner.pos;
                }
            } else {
                this.reportParseError("Expected module name");
                alias = new TypeScript.MissingIdentifier();
                alias.minChar = this.scanner.startPos;
                alias.limChar = this.scanner.startPos;
                alias.flags |= TypeScript.ASTFlags.Error;
                limChar = alias.limChar;
            }
            importDecl = new TypeScript.ImportDecl(name, alias);
            importDecl.isDynamicImport = isDynamicImport;
            if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                importDecl.varFlags |= TypeScript.VarFlags.Exported;
            }
            importDecl.minChar = minChar;
            importDecl.limChar = limChar;
            return importDecl;
        };
        Parser.prototype.parseModuleDecl = function (errorRecoverySet, modifiers) {
            var leftCurlyCount = this.scanner.leftCurlyCount;
            var rightCurlyCount = this.scanner.rightCurlyCount;
            var svAmbient = this.ambientModule;
            var svTopLevel = this.topLevel;
            this.topLevel = false;
            if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                this.ambientModule = true;
            }
            this.tok = this.scanner.scan();
            var name = null;
            var enclosedList = null;
            this.pushDeclLists();
            var modulePreComments = this.parseComments();
            var minChar = this.scanner.startPos;
            var isDynamicMod = false;
            if((this.tok.tokenId == TypeScript.TokenID.ID) || (this.tok.tokenId == TypeScript.TokenID.QString) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                var nameText = this.tok.getText();
                if(this.tok.tokenId == TypeScript.TokenID.QString) {
                    isDynamicMod = true;
                    if(!this.ambientModule) {
                        this.reportParseError("Only ambient dynamic modules may have string literal names");
                    }
                }
                name = new TypeScript.Identifier(nameText);
                name.minChar = this.scanner.startPos;
                name.limChar = this.scanner.pos;
                this.tok = this.scanner.scan();
            } else {
                if(this.tok.tokenId == TypeScript.TokenID.LCurly) {
                    this.reportParseError("Module name missing");
                    name = new TypeScript.Identifier("");
                    name.minChar = minChar;
                    name.limChar = minChar;
                }
            }
            if(this.tok.tokenId == TypeScript.TokenID.Dot) {
                enclosedList = new Array();
                this.parseDottedName(enclosedList);
            }
            if(name == null) {
                name = new TypeScript.MissingIdentifier();
            }
            var moduleBody = new TypeScript.ASTList();
            var bodyMinChar = this.scanner.startPos;
            this.chkCurTok(TypeScript.TokenID.LCurly, "Expected '{'", errorRecoverySet | TypeScript.ErrorRecoverySet.ID);
            this.parseStmtList(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, moduleBody, true, true, TypeScript.AllowedElements.ModuleMembers, modifiers);
            moduleBody.minChar = bodyMinChar;
            moduleBody.limChar = this.scanner.pos;
            this.chkCurTok(TypeScript.TokenID.RCurly, "Expected '}'", errorRecoverySet);
            var limChar = this.scanner.pos;
            var moduleDecl;
            if(enclosedList && (enclosedList.length > 0)) {
                var len = enclosedList.length;
                var innerName = enclosedList[len - 1];
                var innerDecl = new TypeScript.ModuleDecl(innerName, moduleBody, this.topVarList(), this.topScopeList());
                if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                    innerDecl.modFlags |= TypeScript.ModuleFlags.Ambient;
                }
                innerDecl.modFlags |= TypeScript.ModuleFlags.Exported;
                innerDecl.minChar = minChar;
                innerDecl.limChar = limChar;
                this.popDeclLists();
                var outerModBod;
                for(var i = len - 2; i >= 0; i--) {
                    outerModBod = new TypeScript.ASTList();
                    outerModBod.append(innerDecl);
                    innerName = enclosedList[i];
                    innerDecl = new TypeScript.ModuleDecl(innerName, outerModBod, new TypeScript.ASTList(), new TypeScript.ASTList());
                    outerModBod.minChar = innerDecl.minChar = minChar;
                    outerModBod.limChar = innerDecl.limChar = limChar;
                    if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                        innerDecl.modFlags |= TypeScript.ModuleFlags.Ambient;
                    }
                    innerDecl.modFlags |= TypeScript.ModuleFlags.Exported;
                }
                outerModBod = new TypeScript.ASTList();
                outerModBod.append(innerDecl);
                outerModBod.minChar = minChar;
                outerModBod.limChar = limChar;
                moduleDecl = new TypeScript.ModuleDecl(name, outerModBod, new TypeScript.ASTList(), new TypeScript.ASTList());
            } else {
                moduleDecl = new TypeScript.ModuleDecl(name, moduleBody, this.topVarList(), this.topScopeList());
                this.popDeclLists();
            }
            if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                moduleDecl.modFlags |= TypeScript.ModuleFlags.Ambient;
            }
            if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                moduleDecl.modFlags |= TypeScript.ModuleFlags.Exported;
            }
            if(isDynamicMod) {
                moduleDecl.modFlags |= TypeScript.ModuleFlags.IsDynamic;
            }
            moduleDecl.preComments = modulePreComments;
            moduleDecl.postComments = this.parseComments();
            this.ambientModule = svAmbient;
            this.topLevel = svTopLevel;
            moduleDecl.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
            moduleDecl.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
            return moduleDecl;
        };
        Parser.prototype.parseTypeReferenceTail = function (errorRecoverySet, minChar, term) {
            var result = new TypeScript.TypeReference(term, 0);
            result.minChar = minChar;
            while(this.tok.tokenId == TypeScript.TokenID.LBrack) {
                this.tok = this.scanner.scan();
                result.arrayCount++;
                this.chkCurTok(TypeScript.TokenID.RBrack, "Expected ']'", errorRecoverySet | TypeScript.ErrorRecoverySet.LBrack);
            }
            result.limChar = this.scanner.lastTokenLimChar();
            return result;
        };
        Parser.prototype.parseNamedType = function (errorRecoverySet, minChar, term, tail) {
            this.tok = this.scanner.scan();
            if(this.tok.tokenId == TypeScript.TokenID.Dot) {
                var curpos = this.scanner.pos;
                this.tok = this.scanner.scan();
                if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                    var op2 = new TypeScript.Identifier(this.tok.getText());
                    op2.minChar = this.scanner.startPos;
                    op2.limChar = this.scanner.pos;
                    var dotNode = new TypeScript.BinaryExpression(TypeScript.NodeType.Dot, term, op2);
                    dotNode.minChar = term.minChar;
                    dotNode.limChar = op2.limChar;
                    return this.parseNamedType(errorRecoverySet, minChar, dotNode, tail);
                } else {
                    this.reportParseError("need identifier after '.'");
                    if(this.errorRecovery) {
                        term.flags |= TypeScript.ASTFlags.DotLHS;
                        term.limChar = this.scanner.lastTokenLimChar();
                        return term;
                    } else {
                        var eop2 = new TypeScript.MissingIdentifier();
                        eop2.minChar = this.scanner.pos;
                        eop2.limChar = this.scanner.pos;
                        var edotNode = new TypeScript.BinaryExpression(TypeScript.NodeType.Dot, term, eop2);
                        edotNode.flags |= TypeScript.ASTFlags.Error;
                        edotNode.minChar = term.minChar;
                        edotNode.limChar = eop2.limChar;
                        return this.parseNamedType(errorRecoverySet, minChar, edotNode, tail);
                    }
                }
            } else {
                if(tail) {
                    return this.parseTypeReferenceTail(errorRecoverySet, minChar, term);
                } else {
                    return term;
                }
            }
        };
        Parser.prototype.parseTypeReference = function (errorRecoverySet, allowVoid) {
            var minChar = this.scanner.startPos;
            var isConstructorMember = false;
            switch(this.tok.tokenId) {
                case TypeScript.TokenID.VOID: {
                    if(!allowVoid) {
                        this.reportParseError("void not a valid type in this context");
                    }

                }
                case TypeScript.TokenID.NUMBER:
                case TypeScript.TokenID.BOOL:
                case TypeScript.TokenID.ANY:
                case TypeScript.TokenID.STRING: {
                    var text = TypeScript.tokenTable[this.tok.tokenId].text;
                    var primId = new TypeScript.Identifier(text);
                    primId.minChar = minChar;
                    primId.limChar = this.scanner.pos;
                    this.tok = this.scanner.scan();
                    return this.parseTypeReferenceTail(errorRecoverySet, minChar, primId);
                }

                case TypeScript.TokenID.ID: {
                    var ident = this.createRef(this.tok.getText(), minChar);
                    ident.limChar = this.scanner.pos;
                    return this.parseNamedType(errorRecoverySet, minChar, ident, true);

                }
                case TypeScript.TokenID.LCurly: {
                    this.tok = this.scanner.scan();
                    var members = new TypeScript.ASTList();
                    members.minChar = minChar;
                    var prevInInterfaceDecl = this.inInterfaceDecl;
                    this.inInterfaceDecl = true;
                    this.parseInterfaceMembers(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, members);
                    this.inInterfaceDecl = prevInInterfaceDecl;
                    this.chkCurTok(TypeScript.TokenID.RCurly, "Expected '}'", errorRecoverySet);
                    var interfaceDecl = new TypeScript.TypeDecl(TypeScript.NodeType.Interface, this.anonId, members, null, null, null);
                    interfaceDecl.minChar = minChar;
                    interfaceDecl.limChar = members.limChar;
                    return this.parseTypeReferenceTail(errorRecoverySet, minChar, interfaceDecl);

                }
                case TypeScript.TokenID.NEW: {
                    this.tok = this.scanner.scan();
                    if(this.tok.tokenId != TypeScript.TokenID.LParen) {
                        this.reportParseError("Expected '('");
                    } else {
                        isConstructorMember = true;
                    }

                }
                case TypeScript.TokenID.LParen: {
                    var formals = new TypeScript.ASTList();
                    var variableArgList = this.parseFormalParameterList(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, formals, false, true, false, false, false, null);
                    this.chkCurTok(TypeScript.TokenID.Arrow, "Expected '=>'", errorRecoverySet);
                    var returnType = this.parseTypeReference(errorRecoverySet, true);
                    var funcDecl = new TypeScript.FuncDecl(null, null, false, formals, null, null, null, TypeScript.NodeType.FuncDecl);
                    funcDecl.returnTypeAnnotation = returnType;
                    funcDecl.variableArgList = variableArgList;
                    funcDecl.fncFlags |= TypeScript.FncFlags.Signature;
                    if(isConstructorMember) {
                        funcDecl.fncFlags |= TypeScript.FncFlags.ConstructMember;
                        funcDecl.hint = "_construct";
                        funcDecl.classDecl = null;
                    }
                    funcDecl.minChar = minChar;
                    return this.parseTypeReferenceTail(errorRecoverySet, minChar, funcDecl);
                }

                default: {
                    this.reportParseError("Expected type name");
                    var etr = new TypeScript.TypeReference(null, 0);
                    etr.flags |= TypeScript.ASTFlags.Error;
                    etr.minChar = this.scanner.pos;
                    etr.limChar = this.scanner.pos;
                    return etr;

                }
            }
        };
        Parser.prototype.parseFunctionStatements = function (errorRecoverySet, name, isConstructor, isMethod, args, allowedElements, minChar, requiresSignature, parentModifiers) {
            this.pushDeclLists();
            var svStmtStack = this.stmtStack;
            this.resetStmtStack();
            var bod = null;
            var wasShorthand = false;
            var isAnonLambda = false;
            if(!requiresSignature) {
                bod = new TypeScript.ASTList();
                var bodMinChar = this.scanner.startPos;
                if(this.tok.tokenId == TypeScript.TokenID.Arrow) {
                    if(isMethod) {
                        this.reportParseError("'=>' may not be used for class methods");
                    }
                    wasShorthand = true;
                    this.tok = this.scanner.scan();
                }
                if(wasShorthand && this.tok.tokenId != TypeScript.TokenID.LCurly) {
                    var retExpr = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, TypeScript.OperatorPrecedence.Asg, true, TypeContext.NoTypes);
                    var retStmt = new TypeScript.ReturnStatement();
                    retStmt.returnExpression = retExpr;
                    bod.minChar = bodMinChar;
                    bod.append(retStmt);
                } else {
                    this.state = ParseState.StartStmtList;
                    this.chkCurTok(TypeScript.TokenID.LCurly, "Expected '{'", errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
                    var svInFnc = this.inFnc;
                    isAnonLambda = wasShorthand;
                    this.inFnc = true;
                    this.parseStmtList(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly | TypeScript.ErrorRecoverySet.StmtStart, bod, true, false, allowedElements, parentModifiers);
                    bod.minChar = bodMinChar;
                    bod.limChar = this.scanner.pos;
                    this.inFnc = svInFnc;
                    var ec = new TypeScript.EndCode();
                    ec.minChar = bod.limChar;
                    ec.limChar = ec.minChar;
                    bod.append(ec);
                }
            }
            var funcDecl = new TypeScript.FuncDecl(name, bod, isConstructor, args, this.topVarList(), this.topScopeList(), this.topStaticsList(), TypeScript.NodeType.FuncDecl);
            this.popDeclLists();
            var scopeList = this.topScopeList();
            scopeList.append(funcDecl);
            var staticFuncDecl = false;
            var limChar = this.scanner.pos;
            if(requiresSignature) {
                this.chkCurTok(TypeScript.TokenID.SColon, "Expected ';'", errorRecoverySet);
            } else {
                if(!wasShorthand || isAnonLambda) {
                    this.chkCurTok(TypeScript.TokenID.RCurly, "Expected '}'", errorRecoverySet);
                    if(isAnonLambda) {
                        funcDecl.fncFlags |= TypeScript.FncFlags.IsFatArrowFunction;
                    }
                } else {
                    funcDecl.fncFlags |= TypeScript.FncFlags.IsFatArrowFunction;
                    if(this.tok.tokenId == TypeScript.TokenID.SColon) {
                        this.tok = this.scanner.scan();
                    }
                }
            }
            funcDecl.minChar = minChar;
            funcDecl.limChar = limChar;
            if(!requiresSignature) {
                funcDecl.fncFlags |= TypeScript.FncFlags.Definition;
            }
            this.stmtStack = svStmtStack;
            return funcDecl;
        };
        Parser.prototype.transformAnonymousArgsIntoFormals = function (formals, argList) {
            var _this = this;
            var translateBinExOperand = function (operand) {
                if(operand.nodeType == TypeScript.NodeType.Comma) {
                    _this.transformAnonymousArgsIntoFormals(formals, operand);
                } else {
                    if(operand.nodeType == TypeScript.NodeType.Name || operand.nodeType == TypeScript.NodeType.Asg) {
                        var opArg = operand.nodeType == TypeScript.NodeType.Asg ? (operand).operand1 : operand;
                        var arg = new TypeScript.ArgDecl(opArg);
                        arg.preComments = opArg.preComments;
                        arg.postComments = opArg.postComments;
                        arg.minChar = opArg.minChar;
                        arg.limChar = opArg.limChar;
                        if(TypeScript.hasFlag(opArg.flags, TypeScript.ASTFlags.PossibleOptionalParameter)) {
                            arg.isOptional = true;
                        }
                        if(operand.nodeType == TypeScript.NodeType.Asg) {
                            arg.init = (operand).operand2;
                        }
                        formals.append(arg);
                    } else {
                        _this.reportParseError("Invalid lambda argument");
                    }
                }
            };
            if(argList) {
                if(argList.nodeType == TypeScript.NodeType.Comma) {
                    var commaList = argList;
                    translateBinExOperand(commaList.operand1);
                    translateBinExOperand(commaList.operand2);
                } else {
                    translateBinExOperand(argList);
                }
            }
        };
        Parser.prototype.parseFormalParameterList = function (errorRecoverySet, formals, isClassConstr, isSig, isIndexer, isGetter, isSetter, preProcessedLambdaArgs) {
            formals.minChar = this.scanner.startPos;
            if(isIndexer) {
                this.tok = this.scanner.scan();
            } else {
                if(!preProcessedLambdaArgs) {
                    this.chkCurTok(TypeScript.TokenID.LParen, "Expected '('", errorRecoverySet | TypeScript.ErrorRecoverySet.RParen);
                }
            }
            var sawEllipsis = false;
            var firstArg = true;
            var hasOptional = false;
            var haveFirstArgID = false;
            var hasPartialArgList = false;
            if(preProcessedLambdaArgs) {
                this.transformAnonymousArgsIntoFormals(formals, preProcessedLambdaArgs);
                haveFirstArgID = true;
            }
            while(true) {
                var munchedArg = false;
                var argFlags = TypeScript.VarFlags.None;
                var argMinChar = this.scanner.startPos;
                if(this.inferPropertiesFromThisAssignment && this.tok.tokenId == TypeScript.TokenID.THIS) {
                    if(!isClassConstr) {
                        this.reportParseError("Instance property declarations using 'this' may only be used in class constructors");
                    }
                    this.tok = this.scanner.scan();
                    argFlags |= (TypeScript.VarFlags.Public | TypeScript.VarFlags.Property);
                    if(this.currentClassDefinition) {
                        this.currentClassDefinition.varFlags |= TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor;
                    }
                }
                if(this.tok.tokenId == TypeScript.TokenID.PUBLIC) {
                    argFlags |= (TypeScript.VarFlags.Public | TypeScript.VarFlags.Property);
                    if(this.currentClassDefinition) {
                        this.currentClassDefinition.varFlags |= TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor;
                    }
                } else {
                    if(this.tok.tokenId == TypeScript.TokenID.PRIVATE) {
                        argFlags |= (TypeScript.VarFlags.Private | TypeScript.VarFlags.Property);
                        if(this.currentClassDefinition) {
                            this.currentClassDefinition.varFlags |= TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor;
                        }
                    }
                }
                if(argFlags != TypeScript.VarFlags.None) {
                    if(!isClassConstr) {
                        this.reportParseError("only constructor parameters can be properties");
                    }
                    this.tok = this.scanner.scan();
                    if(this.inferPropertiesFromThisAssignment && this.tok.tokenId == TypeScript.TokenID.THIS) {
                        if(!isClassConstr) {
                            this.reportParseError("Instance property declarations using 'this' may only be used in class constructors");
                        }
                        this.tok = this.scanner.scan();
                        this.tok = this.scanner.scan();
                    }
                } else {
                    if(this.tok.tokenId == TypeScript.TokenID.Ellipsis) {
                        sawEllipsis = true;
                        this.tok = this.scanner.scan();
                    }
                }
                var argId = null;
                if(!haveFirstArgID && (this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                    argId = new TypeScript.Identifier(this.tok.getText());
                    argId.minChar = this.scanner.startPos;
                    argId.limChar = this.scanner.pos;
                }
                if(haveFirstArgID || argId) {
                    munchedArg = true;
                    var type = null;
                    var arg = null;
                    if(haveFirstArgID && formals.members.length) {
                        arg = formals.members[formals.members.length - 1];
                        if(arg.isOptional) {
                            hasOptional = true;
                            hasPartialArgList = true;
                        }
                    } else {
                        arg = new TypeScript.ArgDecl(argId);
                        if(isGetter) {
                            this.reportParseError("Property getters may not take any arguments");
                        }
                        if(isSetter && !firstArg) {
                            this.reportParseError("Property setters may only take one argument");
                        }
                        arg.minChar = argMinChar;
                        arg.preComments = this.parseComments();
                        this.tok = this.scanner.scan();
                    }
                    if(this.tok.tokenId == TypeScript.TokenID.QMark) {
                        arg.isOptional = true;
                        hasOptional = true;
                        this.tok = this.scanner.scan();
                    }
                    if(this.tok.tokenId == TypeScript.TokenID.Colon) {
                        this.tok = this.scanner.scan();
                        type = this.parseTypeReference(errorRecoverySet, false);
                        if(preProcessedLambdaArgs) {
                            hasPartialArgList = true;
                        }
                    }
                    if(this.tok.tokenId == TypeScript.TokenID.Asg) {
                        if(isSig) {
                            this.reportParseError("Arguments in signatures may not have default values");
                        }
                        hasOptional = true;
                        this.tok = this.scanner.scan();
                        arg.init = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Cma, false, TypeContext.NoTypes);
                    }
                    if(hasOptional && !arg.isOptionalArg() && !sawEllipsis) {
                        this.reportParseError("Optional parameters may only be followed by other optional parameters");
                    }
                    if(sawEllipsis && arg.isOptionalArg()) {
                        this.reportParseError("Varargs may not be optional or have default parameters");
                    }
                    arg.postComments = this.parseComments();
                    arg.typeExpr = type;
                    arg.limChar = this.scanner.lastTokenLimChar();
                    arg.varFlags |= argFlags;
                    if(!haveFirstArgID) {
                        formals.append(arg);
                    } else {
                        haveFirstArgID = false;
                    }
                }
                firstArg = false;
                if(this.tok.tokenId == TypeScript.TokenID.Comma) {
                    if((munchedArg) && (!sawEllipsis)) {
                        this.tok = this.scanner.scan();
                        continue;
                    } else {
                        this.reportParseError("Unexpected ',' in argument list");
                        if(this.errorRecovery) {
                            this.tok = this.scanner.scan();
                            continue;
                        }
                    }
                } else {
                    break;
                }
            }
            if(isIndexer) {
                this.chkCurTok(TypeScript.TokenID.RBrack, "Expected ']'", errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly | TypeScript.ErrorRecoverySet.SColon);
            } else {
                if(!preProcessedLambdaArgs || hasPartialArgList) {
                    this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly | TypeScript.ErrorRecoverySet.SColon);
                }
            }
            formals.limChar = this.scanner.lastTokenLimChar();
            return sawEllipsis;
        };
        Parser.prototype.parseFncDecl = function (errorRecoverySet, isDecl, requiresSignature, isMethod, methodName, indexer, isStatic, markedAsAmbient, modifiers, lambdaArgContext) {
            var leftCurlyCount = this.scanner.leftCurlyCount;
            var rightCurlyCount = this.scanner.rightCurlyCount;
            var prevInConstr = this.parsingClassConstructorDefinition;
            this.parsingClassConstructorDefinition = false;
            var name = null;
            var fnMin = this.scanner.startPos;
            var minChar = this.scanner.pos;
            var prevNestingLevel = this.nestingLevel;
            this.nestingLevel = 0;
            if((!this.style_funcInLoop) && this.inLoop()) {
                this.reportParseStyleError("function declaration in loop");
            }
            if(!isMethod && !isStatic && !indexer && !lambdaArgContext) {
                this.tok = this.scanner.scan();
                this.state = ParseState.StartFncDecl;
                if((this.tok.tokenId != TypeScript.TokenID.ID) && (!TypeScript.convertTokToID(this.tok, this.strictMode))) {
                    if(isDecl) {
                        this.reportParseError("Function declaration must include identifier");
                        this.nestingLevel = prevNestingLevel;
                        return new TypeScript.IncompleteAST(fnMin, this.scanner.pos);
                    }
                } else {
                    name = new TypeScript.Identifier(this.tok.getText());
                    name.minChar = this.scanner.startPos;
                    name.limChar = this.scanner.pos;
                    this.tok = this.scanner.scan();
                }
            } else {
                if(methodName) {
                    name = methodName;
                }
            }
            this.state = ParseState.FncDeclName;
            var args = new TypeScript.ASTList();
            var variableArgList = false;
            var isOverload = false;
            var isGetter = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Getter);
            var isSetter = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Setter);
            if((this.tok.tokenId == TypeScript.TokenID.LParen) || (indexer && (this.tok.tokenId == TypeScript.TokenID.LBrack)) || (lambdaArgContext && lambdaArgContext.preProcessedLambdaArgs)) {
                variableArgList = this.parseFormalParameterList(errorRecoverySet, args, false, requiresSignature, indexer, isGetter, isSetter, lambdaArgContext ? lambdaArgContext.preProcessedLambdaArgs : null);
            }
            this.state = ParseState.FncDeclArgs;
            var returnType = null;
            if(this.tok.tokenId == TypeScript.TokenID.Colon) {
                this.tok = this.scanner.scan();
                if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Setter)) {
                    this.reportParseError("Property setters may not declare a return type");
                }
                returnType = this.parseTypeReference(errorRecoverySet, true);
            }
            if(indexer && args.members.length == 0) {
                this.reportParseError("Index signatures require a parameter type to be specified");
            }
            this.state = ParseState.FncDeclReturnType;
            if(isDecl && !(this.parsingDeclareFile || markedAsAmbient) && (!isMethod || !(this.ambientModule || this.ambientClass || this.inInterfaceDecl)) && this.tok.tokenId == TypeScript.TokenID.SColon) {
                isOverload = true;
                isDecl = false;
                requiresSignature = true;
            }
            var svInFncDecl = this.inFncDecl;
            this.inFncDecl = true;
            var funcDecl = this.parseFunctionStatements(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, name, false, isMethod, args, TypeScript.AllowedElements.FunctionBody, minChar, requiresSignature, TypeScript.Modifiers.None);
            this.inFncDecl = svInFncDecl;
            funcDecl.variableArgList = variableArgList;
            funcDecl.isOverload = isOverload;
            if(!requiresSignature) {
                funcDecl.fncFlags |= TypeScript.FncFlags.Definition;
            }
            if(isStatic) {
                funcDecl.fncFlags |= TypeScript.FncFlags.Static;
            }
            if(requiresSignature) {
                funcDecl.fncFlags |= TypeScript.FncFlags.Signature;
            }
            if(indexer) {
                funcDecl.fncFlags |= TypeScript.FncFlags.IndexerMember;
            }
            funcDecl.returnTypeAnnotation = returnType;
            if(isMethod) {
                funcDecl.fncFlags |= TypeScript.FncFlags.Method;
                funcDecl.fncFlags |= TypeScript.FncFlags.ClassPropertyMethodExported;
            }
            funcDecl.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
            funcDecl.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
            this.nestingLevel = prevNestingLevel;
            this.parsingClassConstructorDefinition = prevInConstr;
            return funcDecl;
        };
        Parser.prototype.convertToTypeReference = function (ast) {
            var result;
            switch(ast.nodeType) {
                case TypeScript.NodeType.TypeRef: {
                    return ast;

                }
                case TypeScript.NodeType.Name: {
                    result = new TypeScript.TypeReference(ast, 0);
                    result.minChar = ast.minChar;
                    result.limChar = ast.limChar;
                    return result;

                }
                case TypeScript.NodeType.Index: {
                    var expr = ast;
                    result = this.convertToTypeReference(expr.operand1);
                    if(result) {
                        result.arrayCount++;
                        result.minChar = expr.minChar;
                        result.limChar = expr.limChar;
                        return result;
                    } else {
                        var etr = new TypeScript.AST(TypeScript.NodeType.Error);
                        return etr;
                    }
                }

            }
            return null;
        };
        Parser.prototype.parseArgList = function (errorRecoverySet) {
            var args = new TypeScript.ASTList();
            args.minChar = this.scanner.startPos;
            this.tok = this.scanner.scan();
            if(this.tok.tokenId !== TypeScript.TokenID.RParen) {
                while(true) {
                    if(args.members.length > 65535) {
                        this.reportParseError("max number of args exceeded");
                        break;
                    }
                    var arg = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Cma, false, TypeContext.NoTypes);
                    args.append(arg);
                    if(this.tok.tokenId != TypeScript.TokenID.Comma) {
                        break;
                    }
                    this.tok = this.scanner.scan();
                }
            }
            args.limChar = this.scanner.pos;
            return args;
        };
        Parser.prototype.parseBaseList = function (extendsList, implementsList, errorRecoverySet, interfaceOnly, isClass) {
            var keyword = true;
            var currentList = extendsList;
            for(; ; ) {
                if(keyword) {
                    if(this.tok.tokenId == TypeScript.TokenID.IMPLEMENTS) {
                        if(interfaceOnly) {
                            this.reportParseError("interfaces can not implement other types");
                        }
                        currentList = implementsList;
                    }
                    this.tok = this.scanner.scan();
                    keyword = false;
                }
                var baseName = null;
                if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                    var minChar = this.scanner.startPos;
                    baseName = new TypeScript.Identifier(this.tok.getText());
                    baseName.minChar = minChar;
                    baseName.limChar = this.scanner.pos;
                    baseName = this.parseNamedType(errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly, minChar, baseName, false);
                } else {
                    this.reportParseError("Expected base name");
                    if(this.errorRecovery) {
                        baseName = new TypeScript.MissingIdentifier();
                        baseName.minChar = this.scanner.pos;
                        baseName.limChar = this.scanner.pos;
                        baseName.flags |= TypeScript.ASTFlags.Error;
                    }
                }
                if(this.tok.tokenId == TypeScript.TokenID.LParen) {
                    if(isClass) {
                        this.reportParseError("Base classes may only be initialized via a 'super' call within the constructor body");
                    }
                    var baseArgs = this.parseArgList(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen);
                    var callNode = new TypeScript.CallExpression(TypeScript.NodeType.Call, baseName, baseArgs);
                    this.tok = this.scanner.scan();
                    callNode.limChar = this.scanner.pos;
                    currentList.append(callNode);
                } else {
                    currentList.append(baseName);
                }
                if(!interfaceOnly && currentList == extendsList && extendsList.members.length > 1) {
                    this.reportParseError("A class may only extend one other class");
                }
                if(this.tok.tokenId == TypeScript.TokenID.Comma) {
                    this.tok = this.scanner.scan();
                    continue;
                } else {
                    if((this.tok.tokenId == TypeScript.TokenID.EXTENDS) || (this.tok.tokenId == TypeScript.TokenID.IMPLEMENTS)) {
                        currentList = extendsList;
                        keyword = true;
                        continue;
                    }
                }
                break;
            }
        };
        Parser.prototype.parseClassDecl = function (errorRecoverySet, minChar, modifiers) {
            var leftCurlyCount = this.scanner.leftCurlyCount;
            var rightCurlyCount = this.scanner.rightCurlyCount;
            if((modifiers & TypeScript.Modifiers.Readonly) != TypeScript.Modifiers.None) {
                this.reportParseError("const modifier is implicit for class");
            }
            if(this.parsingDeclareFile || this.ambientModule) {
                modifiers |= TypeScript.Modifiers.Ambient;
                modifiers |= TypeScript.Modifiers.Exported;
            }
            var classIsMarkedAsAmbient = this.parsingDeclareFile || (modifiers & TypeScript.Modifiers.Ambient) != TypeScript.Modifiers.None;
            var svAmbientClass = this.ambientClass;
            this.ambientClass = classIsMarkedAsAmbient;
            this.tok = this.scanner.scan();
            var name = null;
            if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                name = new TypeScript.Identifier(this.tok.getText());
                name.minChar = this.scanner.startPos;
                name.limChar = this.scanner.pos;
                this.tok = this.scanner.scan();
            } else {
                this.reportParseError("class missing name");
                if(this.errorRecovery) {
                    name = new TypeScript.MissingIdentifier();
                    name.minChar = this.scanner.pos;
                    name.limChar = this.scanner.pos;
                    name.flags |= TypeScript.ASTFlags.Error;
                }
            }
            var baseClass = null;
            var interfacesImplemented = null;
            var requiresSignature = false;
            if((this.tok.tokenId == TypeScript.TokenID.EXTENDS) || (this.tok.tokenId == TypeScript.TokenID.IMPLEMENTS)) {
                baseClass = new TypeScript.ASTList();
                interfacesImplemented = new TypeScript.ASTList();
                this.parseBaseList(baseClass, interfacesImplemented, errorRecoverySet, false, true);
            }
            var classDecl = new TypeScript.ClassDecl(name, new TypeScript.ASTList(), baseClass, interfacesImplemented);
            this.currentClassDefinition = classDecl;
            this.parseClassElements(classDecl, errorRecoverySet, modifiers);
            if(this.ambientModule || this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                classDecl.varFlags |= TypeScript.VarFlags.Exported;
            }
            if(this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                classDecl.varFlags |= TypeScript.VarFlags.Ambient;
            }
            classDecl.varFlags |= TypeScript.VarFlags.Class;
            this.ambientClass = svAmbientClass;
            classDecl.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
            classDecl.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
            return classDecl;
        };
        Parser.prototype.parseClassElements = function (classDecl, errorRecoverySet, parentModifiers) {
            var modifiers = parentModifiers;
            var resetModifiers = false;
            var membersMinChar = this.scanner.startPos;
            this.chkCurTok(TypeScript.TokenID.LCurly, "Expected '{'", errorRecoverySet);
            this.nestingLevel++;
            var currentMemberMinChar = this.scanner.startPos;
            var wasGetOrSetId = false;
            while(!(this.tok.tokenId == TypeScript.TokenID.RCurly || this.tok.tokenId == TypeScript.TokenID.EOF)) {
                var scanNext = true;
                var publicOrPrivateFlags = TypeScript.Modifiers.Public | TypeScript.Modifiers.Private;
                if(this.tok.tokenId == TypeScript.TokenID.GET) {
                    if(modifiers & TypeScript.Modifiers.Getter) {
                        this.reportParseError("Duplicate 'get' declaration in class body");
                    }
                    if(modifiers & TypeScript.Modifiers.Setter) {
                        this.reportParseError("Getter already marked as a setter");
                    }
                    modifiers |= TypeScript.Modifiers.Getter;
                } else {
                    if(this.tok.tokenId == TypeScript.TokenID.SET) {
                        if(modifiers & TypeScript.Modifiers.Setter) {
                            this.reportParseError("Duplicate 'set' declaration in class body");
                        }
                        if(modifiers & TypeScript.Modifiers.Getter) {
                            this.reportParseError("Setter already marked as a getter");
                        }
                        modifiers |= TypeScript.Modifiers.Setter;
                    } else {
                        if(this.tok.tokenId == TypeScript.TokenID.PRIVATE) {
                            if(modifiers & publicOrPrivateFlags) {
                                this.reportParseError("Multiple modifiers may not be applied to class members");
                            }
                            modifiers |= TypeScript.Modifiers.Private;
                        } else {
                            if(this.tok.tokenId == TypeScript.TokenID.PUBLIC) {
                                if(modifiers & publicOrPrivateFlags) {
                                    this.reportParseError("Multiple modifiers may not be applied to class members");
                                }
                                modifiers |= TypeScript.Modifiers.Public;
                            } else {
                                if(this.tok.tokenId == TypeScript.TokenID.STATIC) {
                                    if(modifiers & TypeScript.Modifiers.Static) {
                                        this.reportParseError("Multiple modifiers may not be applied to class members");
                                    }
                                    modifiers |= TypeScript.Modifiers.Static;
                                } else {
                                    if(this.tok.tokenId == TypeScript.TokenID.CONSTRUCTOR) {
                                        if(modifiers != parentModifiers) {
                                            this.reportParseError("Constructors may not have modifiers");
                                        }
                                        this.parseClassConstructorDeclaration(currentMemberMinChar, errorRecoverySet, modifiers);
                                        scanNext = false;
                                        resetModifiers = true;
                                    } else {
                                        if(wasGetOrSetId || this.tok.tokenId == TypeScript.TokenID.ID || TypeScript.convertTokToIDName(this.tok)) {
                                            var idText = wasGetOrSetId ? ((modifiers & TypeScript.Modifiers.Getter) ? "get" : "set") : this.tok.getText();
                                            var id = new TypeScript.Identifier(idText);
                                            id.minChar = this.scanner.startPos;
                                            id.limChar = this.scanner.pos;
                                            if(wasGetOrSetId) {
                                                modifiers = modifiers ^ ((modifiers & TypeScript.Modifiers.Getter) ? TypeScript.Modifiers.Getter : TypeScript.Modifiers.Setter);
                                                wasGetOrSetId = false;
                                            } else {
                                                this.tok = this.scanner.scan();
                                            }
                                            if(this.tok.tokenId == TypeScript.TokenID.LParen) {
                                                this.parseClassMemberFunctionDeclaration(id, currentMemberMinChar, errorRecoverySet, modifiers);
                                                scanNext = false;
                                            } else {
                                                if(modifiers & TypeScript.Modifiers.Getter || modifiers & TypeScript.Modifiers.Setter) {
                                                    this.reportParseError("Property accessors must be functions");
                                                }
                                                var varDecl = this.parseClassMemberVariableDeclaration(id, currentMemberMinChar, false, errorRecoverySet, modifiers);
                                                if(varDecl.init && varDecl.init.nodeType == TypeScript.NodeType.FuncDecl) {
                                                    if(this.tok.tokenId == TypeScript.TokenID.RCurly) {
                                                        scanNext = false;
                                                    }
                                                } else {
                                                    if(varDecl.init && varDecl.init.nodeType == TypeScript.NodeType.ObjectLit && this.tok.tokenId != TypeScript.TokenID.SColon) {
                                                        scanNext = false;
                                                        varDecl.init.flags |= TypeScript.ASTFlags.AutomaticSemicolon;
                                                    } else {
                                                        if(this.tok.tokenId != TypeScript.TokenID.SColon) {
                                                            this.reportParseError("Expected ';'");
                                                            scanNext = false;
                                                        }
                                                    }
                                                }
                                            }
                                            resetModifiers = true;
                                        } else {
                                            if(this.tok.tokenId == TypeScript.TokenID.SUPER) {
                                                this.reportParseError("Base class initializers must be the first statement in a class definition");
                                            } else {
                                                if(!wasGetOrSetId && ((modifiers & TypeScript.Modifiers.Getter) || (modifiers & TypeScript.Modifiers.Setter)) && (this.tok.tokenId == TypeScript.TokenID.LParen) || (this.tok.tokenId == TypeScript.TokenID.Asg)) {
                                                    wasGetOrSetId = true;
                                                    scanNext = false;
                                                } else {
                                                    if(this.tok.tokenId != TypeScript.TokenID.SColon) {
                                                        this.reportParseError("Unexpected '" + this.tok.getText() + "' in class definition");
                                                        resetModifiers = true;
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                if(scanNext) {
                    this.tok = this.scanner.scan();
                }
                if(resetModifiers) {
                    modifiers = parentModifiers;
                    currentMemberMinChar = this.scanner.startPos;
                    resetModifiers = false;
                }
            }
            var membersLimChar = this.scanner.pos;
            if(this.tok.tokenId == TypeScript.TokenID.RCurly) {
                if(!this.currentClassDefinition.definitionMembers.members.length) {
                    this.currentClassDefinition.preComments = this.parseComments();
                }
                this.tok = this.scanner.scan();
            }
            this.nestingLevel--;
            this.currentClassDefinition.members.minChar = membersMinChar;
            this.currentClassDefinition.members.limChar = membersLimChar;
            this.currentClassDefinition.limChar = membersLimChar;
            this.currentClassDefinition = null;
        };
        Parser.prototype.parseClassConstructorDeclaration = function (minChar, errorRecoverySet, modifiers) {
            this.parsingClassConstructorDefinition = true;
            var isAmbient = this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient);
            var args = new TypeScript.ASTList();
            var variableArgList = false;
            var preComments = this.parseComments();
            this.tok = this.scanner.scan();
            if(this.tok.tokenId == TypeScript.TokenID.LParen) {
                variableArgList = this.parseFormalParameterList(errorRecoverySet, args, true, isAmbient, false, false, false, null);
                if(args.members.length > 0) {
                    var lastArg = args.members[args.members.length - 1];
                }
            }
            var requiresSignature = isAmbient || this.tok.tokenId == TypeScript.TokenID.SColon;
            if(requiresSignature) {
                for(var i = 0; i < args.members.length; i++) {
                    var arg = args.members[i];
                    if(TypeScript.hasFlag(arg.varFlags, TypeScript.VarFlags.Property)) {
                        this.reportParseError("Overload or ambient signatures may not specify parameter properties");
                    }
                }
            }
            if(!requiresSignature) {
                this.currentClassDefinition.constructorNestingLevel = this.nestingLevel + 1;
            }
            var constructorFuncDecl = this.parseFunctionStatements(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, this.currentClassDefinition.name, true, false, args, TypeScript.AllowedElements.ClassMembers, minChar, requiresSignature, modifiers);
            constructorFuncDecl.preComments = preComments;
            if(requiresSignature && !isAmbient) {
                constructorFuncDecl.isOverload = true;
            }
            constructorFuncDecl.variableArgList = variableArgList;
            this.currentClassDecl = null;
            constructorFuncDecl.returnTypeAnnotation = this.convertToTypeReference(this.currentClassDefinition.name);
            constructorFuncDecl.classDecl = this.currentClassDefinition;
            if(isAmbient) {
                constructorFuncDecl.fncFlags |= TypeScript.FncFlags.Ambient;
            }
            if(requiresSignature) {
                constructorFuncDecl.fncFlags |= TypeScript.FncFlags.Signature;
            }
            if(this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                constructorFuncDecl.fncFlags |= TypeScript.FncFlags.Exported;
            }
            if(this.currentClassDefinition.constructorDecl) {
                if(!isAmbient && !this.currentClassDefinition.constructorDecl.isSignature() && !constructorFuncDecl.isSignature()) {
                    this.reportParseError("Duplicate constructor definition");
                }
            }
            if(isAmbient || !constructorFuncDecl.isSignature()) {
                this.currentClassDefinition.constructorDecl = constructorFuncDecl;
            }
            constructorFuncDecl.fncFlags |= TypeScript.FncFlags.ClassMethod;
            this.currentClassDefinition.definitionMembers.members[this.currentClassDefinition.definitionMembers.members.length] = constructorFuncDecl;
            this.parsingClassConstructorDefinition = false;
            constructorFuncDecl.postComments = this.parseComments();
            return constructorFuncDecl;
        };
        Parser.prototype.parseClassMemberVariableDeclaration = function (text, minChar, isDeclaredInConstructor, errorRecoverySet, modifiers) {
            var varDecl = new TypeScript.VarDecl(text, this.nestingLevel);
            varDecl.minChar = minChar;
            var isStatic = false;
            varDecl.preComments = this.parseComments();
            if(this.tok.tokenId == TypeScript.TokenID.Colon) {
                this.tok = this.scanner.scan();
                varDecl.typeExpr = this.parseTypeReference(errorRecoverySet | TypeScript.ErrorRecoverySet.Asg | TypeScript.ErrorRecoverySet.Comma, false);
            }
            if(this.tok.tokenId == TypeScript.TokenID.Asg) {
                if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                    this.reportParseError("context does not permit variable initializer");
                    if(this.errorRecovery) {
                        this.skip(errorRecoverySet);
                        varDecl.flags |= TypeScript.ASTFlags.Error;
                        varDecl.limChar = this.scanner.lastTokenLimChar();
                        return varDecl;
                    }
                }
                this.tok = this.scanner.scan();
                varDecl.init = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Cma, true, TypeContext.NoTypes);
                varDecl.limChar = varDecl.init.limChar;
                this.currentClassDefinition.varFlags |= TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor;
            } else {
                varDecl.limChar = this.scanner.pos;
            }
            if(modifiers & TypeScript.Modifiers.Static) {
                varDecl.varFlags |= TypeScript.VarFlags.Static;
                isStatic = true;
            }
            if((modifiers & TypeScript.Modifiers.Private) != TypeScript.Modifiers.None) {
                varDecl.varFlags |= TypeScript.VarFlags.Private;
            } else {
                varDecl.varFlags |= TypeScript.VarFlags.Public;
            }
            varDecl.varFlags |= TypeScript.VarFlags.Property;
            if(isDeclaredInConstructor) {
                varDecl.varFlags |= TypeScript.VarFlags.ClassConstructorProperty;
            }
            if(!isDeclaredInConstructor && !isStatic) {
                varDecl.varFlags |= TypeScript.VarFlags.ClassBodyProperty;
            }
            this.currentClassDefinition.knownMemberNames[text.text] = true;
            if(!isDeclaredInConstructor) {
                this.currentClassDefinition.definitionMembers.members[this.currentClassDefinition.definitionMembers.members.length] = varDecl;
            }
            this.currentClassDefinition.allMemberDefinitions.members[this.currentClassDefinition.allMemberDefinitions.members.length] = varDecl;
            varDecl.postComments = this.parseComments();
            return varDecl;
        };
        Parser.prototype.parseClassMemberFunctionDeclaration = function (methodName, minChar, errorRecoverySet, modifiers) {
            var wasAccessorID = this.prevIDTok != null;
            var isAccessor = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Getter) || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Setter);
            var isStatic = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Static);
            var isAmbient = this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient);
            errorRecoverySet |= TypeScript.ErrorRecoverySet.RParen;
            var preComments = this.parseComments();
            if(isAccessor && (modifiers & TypeScript.Modifiers.Ambient)) {
                this.reportParseError("Property accessors may not be declared in ambient classes");
            }
            var ast = this.parseFncDecl(errorRecoverySet, true, isAmbient, true, methodName, false, isStatic, isAmbient, modifiers, null);
            if(ast.nodeType == TypeScript.NodeType.Error) {
                return ast;
            }
            var funcDecl = ast;
            funcDecl.preComments = preComments;
            funcDecl.minChar = minChar;
            if(funcDecl.bod !== null) {
                funcDecl.limChar = funcDecl.bod.limChar;
            }
            if(modifiers & TypeScript.Modifiers.Private) {
                funcDecl.fncFlags |= TypeScript.FncFlags.Private;
            } else {
                funcDecl.fncFlags |= TypeScript.FncFlags.Public;
            }
            if(isStatic) {
                funcDecl.fncFlags |= TypeScript.FncFlags.Static;
            }
            if(isAccessor) {
                if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Getter)) {
                    funcDecl.fncFlags |= TypeScript.FncFlags.GetAccessor;
                    funcDecl.hint = "get" + funcDecl.name.text;
                } else {
                    funcDecl.fncFlags |= TypeScript.FncFlags.SetAccessor;
                    funcDecl.hint = "set" + funcDecl.name.text;
                }
                funcDecl.fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
                if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                    this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                }
            }
            funcDecl.fncFlags |= TypeScript.FncFlags.ClassMethod;
            this.currentClassDefinition.knownMemberNames[methodName.text] = true;
            this.currentClassDefinition.definitionMembers.members[this.currentClassDefinition.definitionMembers.members.length] = funcDecl;
            funcDecl.postComments = this.parseComments();
            return funcDecl;
        };
        Parser.prototype.parseInterfaceMember = function (errorRecoverySet) {
            var minChar = this.scanner.startPos;
            var propertyDecl = this.parsePropertyDecl(errorRecoverySet, TypeScript.Modifiers.Public, true, false);
            if(propertyDecl.nodeType == TypeScript.NodeType.VarDecl) {
                this.chkCurTok(TypeScript.TokenID.SColon, "Expected ';'", errorRecoverySet);
            }
            if(propertyDecl) {
                propertyDecl.minChar = minChar;
            }
            return propertyDecl;
        };
        Parser.prototype.parseInterfaceMembers = function (errorRecoverySet, members) {
            for(; ; ) {
                switch(this.tok.tokenId) {
                    case TypeScript.TokenID.RCurly:
                    case TypeScript.TokenID.EOF: {
                        members.limChar = this.scanner.pos;
                        return;

                    }
                }
                var element = this.parseInterfaceMember(errorRecoverySet | TypeScript.ErrorRecoverySet.TypeScriptS);
                if(element) {
                    members.append(element);
                }
            }
        };
        Parser.prototype.parseInterfaceDecl = function (errorRecoverySet, modifiers) {
            var leftCurlyCount = this.scanner.leftCurlyCount;
            var rightCurlyCount = this.scanner.rightCurlyCount;
            this.tok = this.scanner.scan();
            var minChar = this.scanner.pos;
            var name = null;
            if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                name = new TypeScript.Identifier(this.tok.getText());
                name.minChar = this.scanner.startPos;
                name.limChar = this.scanner.pos;
                this.tok = this.scanner.scan();
            } else {
                this.reportParseError("interface missing name");
                if(this.errorRecovery) {
                    name = new TypeScript.MissingIdentifier();
                    name.minChar = this.scanner.pos;
                    name.limChar = this.scanner.pos;
                    name.flags |= TypeScript.ASTFlags.Error;
                }
            }
            var interfaces = null;
            if(this.tok.tokenId == TypeScript.TokenID.EXTENDS) {
                interfaces = new TypeScript.ASTList();
                interfaces.minChar = this.scanner.startPos;
                this.parseBaseList(interfaces, null, errorRecoverySet, true, false);
            }
            var membersMinChar = this.scanner.startPos;
            this.chkCurTok(TypeScript.TokenID.LCurly, "Expected '{'", errorRecoverySet | TypeScript.ErrorRecoverySet.TypeScriptS);
            var members = new TypeScript.ASTList();
            members.minChar = membersMinChar;
            var prevInInterfaceDecl = this.inInterfaceDecl;
            this.inInterfaceDecl = true;
            this.parseInterfaceMembers(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, members);
            this.inInterfaceDecl = prevInInterfaceDecl;
            this.chkCurTok(TypeScript.TokenID.RCurly, "Expected '}'", errorRecoverySet);
            var interfaceDecl = new TypeScript.TypeDecl(TypeScript.NodeType.Interface, name, members, null, interfaces, null);
            if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Private)) {
                interfaceDecl.varFlags |= TypeScript.VarFlags.Private;
            }
            if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Public)) {
                interfaceDecl.varFlags |= TypeScript.VarFlags.Public;
            }
            if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                interfaceDecl.varFlags |= TypeScript.VarFlags.Exported;
            }
            interfaceDecl.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
            interfaceDecl.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
            return interfaceDecl;
        };
        Parser.prototype.makeVarDecl = function (id, nest) {
            var varDecl = new TypeScript.VarDecl(id, nest);
            var currentVarList = this.topVarList();
            if(currentVarList) {
                currentVarList.append(varDecl);
            }
            return varDecl;
        };
        Parser.prototype.parsePropertyDecl = function (errorRecoverySet, modifiers, requireSignature, isStatic) {
            var text = null;
            var minChar = this.scanner.startPos;
            var nameLimChar = minChar;
            var isNew = false;
            var isIndexer = false;
            var wasAccessorID = this.prevIDTok != null;
            var isAccessor = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Getter) || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Setter);
            if(this.parsingDeclareFile || this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                requireSignature = true;
            }
            if(this.tok.tokenId == TypeScript.TokenID.LParen && !wasAccessorID) {
                if(!requireSignature && !isStatic) {
                    this.reportParseError("Expected identifier in property declaration");
                    if(this.errorRecovery) {
                        this.skip(errorRecoverySet);
                        text = new TypeScript.MissingIdentifier();
                    }
                }
            } else {
                if(this.tok.tokenId == TypeScript.TokenID.NEW) {
                    if(requireSignature) {
                        this.tok = this.scanner.scan();
                        if(this.tok.tokenId == TypeScript.TokenID.LParen) {
                            isNew = true;
                        }
                    }
                    if(!isNew) {
                        if(!requireSignature) {
                            this.tok = this.scanner.scan();
                        }
                        text = new TypeScript.Identifier("new");
                        text.minChar = this.scanner.pos - 3;
                        text.limChar = this.scanner.pos;
                        nameLimChar = this.scanner.pos;
                    }
                } else {
                    if((this.tok.tokenId == TypeScript.TokenID.LBrack) && requireSignature) {
                        isIndexer = true;
                        text = new TypeScript.Identifier("__item");
                    } else {
                        if((this.tok.tokenId != TypeScript.TokenID.ID) && (!TypeScript.convertTokToIDName(this.tok)) && !wasAccessorID) {
                            this.reportParseError("Expected identifier in property declaration");
                            if(this.errorRecovery) {
                                var eminChar = this.scanner.startPos;
                                var curpos = this.scanner.pos;
                                this.skip(errorRecoverySet & (~TypeScript.ErrorRecoverySet.Comma));
                                if(this.scanner.pos == curpos) {
                                    this.tok = this.scanner.scan();
                                }
                                var epd = new TypeScript.VarDecl(new TypeScript.MissingIdentifier(), this.nestingLevel);
                                epd.flags |= TypeScript.ASTFlags.Error;
                                epd.minChar = eminChar;
                                epd.limChar = this.scanner.lastTokenLimChar();
                                return epd;
                            }
                        } else {
                            if(wasAccessorID) {
                                text = new TypeScript.Identifier(this.prevIDTok.getText());
                                text.minChar = this.scanner.lastTokenLimChar() - 3;
                                text.limChar = this.scanner.lastTokenLimChar();
                                nameLimChar = text.limChar;
                                if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                    this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                                }
                                if(this.tok.getText() == text.text && this.tok != this.prevIDTok) {
                                    this.tok = this.scanner.scan();
                                }
                                this.prevIDTok = null;
                            } else {
                                text = new TypeScript.Identifier(this.tok.getText());
                                text.minChar = this.scanner.startPos;
                                text.limChar = this.scanner.pos;
                                nameLimChar = this.scanner.pos;
                                this.tok = this.scanner.scan();
                            }
                        }
                    }
                }
            }
            if(this.tok.tokenId == TypeScript.TokenID.QMark) {
                if(this.inInterfaceDecl && text) {
                    text.flags |= TypeScript.ASTFlags.OptionalName;
                } else {
                    this.reportParseError("Optional properties may only be declared on interface or object types");
                }
                this.tok = this.scanner.scan();
            }
            if((this.tok.tokenId == TypeScript.TokenID.LParen) || (isIndexer && (this.tok.tokenId == TypeScript.TokenID.LBrack))) {
                var ers = errorRecoverySet | TypeScript.ErrorRecoverySet.RParen;
                if(isIndexer) {
                    ers = errorRecoverySet | TypeScript.ErrorRecoverySet.RBrack;
                }
                var ast = this.parseFncDecl(ers, true, requireSignature, !this.inFncDecl, text, isIndexer, isStatic, (this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)), modifiers, null);
                var funcDecl;
                if(ast.nodeType == TypeScript.NodeType.Error) {
                    return ast;
                } else {
                    funcDecl = ast;
                }
                if(funcDecl.name) {
                    funcDecl.name.minChar = minChar;
                    funcDecl.name.limChar = nameLimChar;
                }
                if((modifiers & TypeScript.Modifiers.Public) != TypeScript.Modifiers.None) {
                    funcDecl.fncFlags |= TypeScript.FncFlags.Public;
                }
                if((modifiers & TypeScript.Modifiers.Private) != TypeScript.Modifiers.None) {
                    funcDecl.fncFlags |= TypeScript.FncFlags.Private;
                }
                if(isStatic) {
                    funcDecl.fncFlags |= TypeScript.FncFlags.Static;
                }
                if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                    funcDecl.fncFlags |= TypeScript.FncFlags.Ambient;
                }
                if(isAccessor) {
                    if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Getter)) {
                        funcDecl.fncFlags |= TypeScript.FncFlags.GetAccessor;
                        funcDecl.hint = "get" + funcDecl.name.text;
                    } else {
                        funcDecl.fncFlags |= TypeScript.FncFlags.SetAccessor;
                        funcDecl.hint = "set" + funcDecl.name.text;
                    }
                    funcDecl.fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
                    if(modifiers & TypeScript.Modifiers.Ambient) {
                        this.reportParseError("Property accessors may not be declared in ambient types");
                    }
                }
                if(text == null) {
                    if(isNew) {
                        funcDecl.fncFlags |= TypeScript.FncFlags.ConstructMember;
                        funcDecl.hint = "_construct";
                        funcDecl.classDecl = this.currentClassDecl;
                    } else {
                        funcDecl.hint = "_call";
                        funcDecl.fncFlags |= TypeScript.FncFlags.CallMember;
                    }
                }
                return funcDecl;
            } else {
                var varDecl = new TypeScript.VarDecl(text, this.nestingLevel);
                varDecl.minChar = minChar;
                if(this.tok.tokenId == TypeScript.TokenID.Colon) {
                    this.tok = this.scanner.scan();
                    varDecl.typeExpr = this.parseTypeReference(errorRecoverySet | TypeScript.ErrorRecoverySet.Asg | TypeScript.ErrorRecoverySet.Comma, false);
                }
                if(this.tok.tokenId == TypeScript.TokenID.Asg) {
                    if(requireSignature) {
                        this.reportParseError("context does not permit variable initializer");
                        if(this.errorRecovery) {
                            this.skip(errorRecoverySet);
                            varDecl.flags |= TypeScript.ASTFlags.Error;
                            varDecl.limChar = this.scanner.lastTokenLimChar();
                            return varDecl;
                        }
                    }
                    this.tok = this.scanner.scan();
                    varDecl.init = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Cma, true, TypeContext.NoTypes);
                    varDecl.limChar = varDecl.init.limChar;
                    if(varDecl.init.nodeType == TypeScript.NodeType.FuncDecl) {
                        var funcDecl = varDecl.init;
                        funcDecl.hint = varDecl.id.text;
                        funcDecl.boundToProperty = varDecl;
                    } else {
                        if(isAccessor) {
                            this.reportParseError("Accessors may only be functions");
                        }
                    }
                } else {
                    varDecl.limChar = this.scanner.pos;
                }
                if((modifiers & TypeScript.Modifiers.Readonly) != TypeScript.Modifiers.None) {
                    varDecl.varFlags |= TypeScript.VarFlags.Readonly;
                }
                if(isStatic) {
                    varDecl.varFlags |= TypeScript.VarFlags.Static;
                }
                if((modifiers & TypeScript.Modifiers.Public) != TypeScript.Modifiers.None) {
                    varDecl.varFlags |= TypeScript.VarFlags.Public;
                }
                if((modifiers & TypeScript.Modifiers.Private) != TypeScript.Modifiers.None) {
                    varDecl.varFlags |= TypeScript.VarFlags.Private;
                }
                varDecl.varFlags |= TypeScript.VarFlags.Property;
                return varDecl;
            }
        };
        Parser.prototype.parseVarDecl = function (errorRecoverySet, modifiers, allowIn, requireSignature, isStatic) {
            var isConst = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Readonly);
            var minChar = this.scanner.startPos;
            this.tok = this.scanner.scan();
            var varDecl = null;
            var declList = null;
            var multivar = false;
            var varDeclPreComments = this.parseComments();
            for(; ; ) {
                if((this.tok.tokenId != TypeScript.TokenID.ID) && (!TypeScript.convertTokToID(this.tok, this.strictMode))) {
                    this.reportParseError("Expected identifier in variable declaration");
                    if(this.errorRecovery) {
                        varDecl = new TypeScript.VarDecl(new TypeScript.MissingIdentifier(), this.nestingLevel);
                        varDecl.minChar = minChar;
                        this.skip(errorRecoverySet);
                        varDecl.flags |= TypeScript.ASTFlags.Error;
                        varDecl.limChar = this.scanner.lastTokenLimChar();
                        return varDecl;
                    }
                }
                var text = this.tok.getText();
                if(this.strictMode && (text == "eval")) {
                    this.reportParseError("can not name a variable eval in strict mode");
                }
                varDecl = this.makeVarDecl(new TypeScript.Identifier(text), this.nestingLevel);
                varDecl.id.minChar = this.scanner.startPos;
                varDecl.id.limChar = this.scanner.pos;
                varDecl.preComments = varDeclPreComments;
                if(isStatic) {
                    varDecl.varFlags |= TypeScript.VarFlags.Static;
                }
                if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Readonly)) {
                    varDecl.varFlags |= TypeScript.VarFlags.Readonly;
                }
                if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                    varDecl.varFlags |= TypeScript.VarFlags.Ambient;
                }
                if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                    varDecl.varFlags |= TypeScript.VarFlags.Exported;
                }
                varDecl.minChar = minChar;
                if(declList) {
                    declList.append(varDecl);
                }
                this.tok = this.scanner.scan();
                if(this.tok.tokenId == TypeScript.TokenID.Colon) {
                    this.tok = this.scanner.scan();
                    var prevInFncDecl = this.inFncDecl;
                    this.inFncDecl = false;
                    varDecl.typeExpr = this.parseTypeReference(errorRecoverySet | TypeScript.ErrorRecoverySet.Asg | TypeScript.ErrorRecoverySet.Comma, false);
                    this.inFncDecl = prevInFncDecl;
                }
                if(this.tok.tokenId == TypeScript.TokenID.Asg) {
                    if(requireSignature) {
                        this.reportParseError("context does not permit variable initializer");
                        if(this.errorRecovery) {
                            this.skip(errorRecoverySet);
                            varDecl.flags |= TypeScript.ASTFlags.Error;
                            return varDecl;
                        }
                    }
                    this.tok = this.scanner.scan();
                    varDecl.init = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Cma, allowIn, TypeContext.NoTypes);
                    varDecl.limChar = varDecl.init.limChar;
                    if(varDecl.init.nodeType == TypeScript.NodeType.FuncDecl) {
                        var funcDecl = varDecl.init;
                        funcDecl.hint = varDecl.id.text;
                    }
                } else {
                    if(isConst) {
                        this.reportParseError("const declaration requires initializer");
                    }
                    varDecl.limChar = this.scanner.pos;
                }
                varDecl.postComments = this.parseCommentsForLine(this.scanner.line);
                if(this.tok.tokenId != TypeScript.TokenID.Comma) {
                    if(declList) {
                        declList.limChar = varDecl.limChar;
                        return declList;
                    } else {
                        return varDecl;
                    }
                }
                if(!multivar) {
                    declList = new TypeScript.ASTList();
                    declList.minChar = varDecl.minChar;
                    declList.append(varDecl);
                    multivar = true;
                }
                this.tok = this.scanner.scan();
                minChar = this.scanner.startPos;
            }
        };
        Parser.prototype.parseMemberList = function (errorRecoverySet) {
            var elements = new TypeScript.ASTList();
            if(this.tok.tokenId == TypeScript.TokenID.RCurly) {
                return elements;
            }
            var idHint = null;
            var memberName = null;
            var memberExpr = null;
            var member = null;
            var minChar = this.scanner.startPos;
            var isSet = false;
            var skippedTokenForGetSetId = false;
            var getSetTok = null;
            var getSetStartPos = 0;
            var getSetPos = 0;
            for(; ; ) {
                var accessorPattern = false;
                if(this.tok.tokenId == TypeScript.TokenID.GET || this.tok.tokenId == TypeScript.TokenID.SET) {
                    isSet = this.tok.tokenId == TypeScript.TokenID.SET;
                    getSetTok = this.tok;
                    getSetStartPos = this.scanner.startPos;
                    getSetPos = this.scanner.pos;
                    this.tok = this.scanner.scan();
                    if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToIDName(this.tok)) {
                        idHint = isSet ? "set" : "get";
                        idHint = idHint + this.tok.getText();
                        memberName = new TypeScript.Identifier(this.tok.getText());
                        memberName.minChar = this.scanner.startPos;
                        accessorPattern = true;
                        if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                            this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                        }
                    } else {
                        if(this.tok.tokenId != TypeScript.TokenID.Colon) {
                            this.reportParseError("Expected identifier, string or number as accessor name");
                        } else {
                            skippedTokenForGetSetId = true;
                            memberName = new TypeScript.Identifier(getSetTok.getText());
                            memberName.minChar = getSetStartPos;
                            memberName.limChar = getSetPos;
                        }
                    }
                } else {
                    if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToIDName(this.tok)) {
                        idHint = this.tok.getText();
                        memberName = new TypeScript.Identifier(idHint);
                        memberName.minChar = this.scanner.startPos;
                        memberName.limChar = this.scanner.pos;
                    } else {
                        if(this.tok.tokenId == TypeScript.TokenID.QString) {
                            idHint = this.tok.getText();
                            memberName = new TypeScript.StringLiteral(idHint);
                            memberName.minChar = this.scanner.startPos;
                            memberName.limChar = this.scanner.pos;
                        } else {
                            if(this.tok.tokenId == TypeScript.TokenID.NumberLit) {
                                var ntok = this.tok;
                                idHint = ntok.value.toString();
                                memberName = new TypeScript.StringLiteral(idHint);
                                memberName.minChar = this.scanner.startPos;
                                memberName.limChar = this.scanner.pos;
                            } else {
                                this.reportParseError("Expected identifier, string or number as member name");
                                if(this.errorRecovery) {
                                    memberName = new TypeScript.MissingIdentifier();
                                    memberName.minChar = this.scanner.startPos;
                                    memberName.flags |= TypeScript.ASTFlags.Error;
                                    this.skip(errorRecoverySet | TypeScript.ErrorRecoverySet.Comma);
                                    memberName.limChar = this.scanner.lastTokenLimChar();
                                }
                            }
                        }
                    }
                }
                if(!skippedTokenForGetSetId) {
                    this.tok = this.scanner.scan();
                } else {
                    skippedTokenForGetSetId = false;
                }
                if(this.tok.tokenId == TypeScript.TokenID.QMark) {
                    memberName.flags |= TypeScript.ASTFlags.OptionalName;
                    this.tok = this.scanner.scan();
                }
                if(accessorPattern) {
                    var args = new TypeScript.ASTList();
                    this.parseFormalParameterList(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, args, false, true, false, !isSet, isSet, null);
                    var funcDecl = this.parseFunctionStatements(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, memberName, false, true, args, TypeScript.AllowedElements.FunctionDecls, this.scanner.startPos, false, TypeScript.Modifiers.None);
                    if(isSet && funcDecl.returnTypeAnnotation) {
                        this.reportParseError("Property setters may not declare a return type");
                    }
                    funcDecl.fncFlags |= isSet ? TypeScript.FncFlags.SetAccessor : TypeScript.FncFlags.GetAccessor;
                    funcDecl.fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
                    funcDecl.hint = idHint;
                    memberExpr = funcDecl;
                    member = new TypeScript.BinaryExpression(TypeScript.NodeType.Member, memberName, memberExpr);
                    member.minChar = memberName.minChar;
                    if(memberExpr.nodeType == TypeScript.NodeType.FuncDecl) {
                        var funcDecl = memberExpr;
                        funcDecl.hint = idHint;
                    }
                } else {
                    if(this.tok.tokenId == TypeScript.TokenID.Colon) {
                        this.tok = this.scanner.scan();
                        memberExpr = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Cma, true, TypeContext.NoTypes);
                        if(memberExpr.nodeType == TypeScript.NodeType.TypeRef) {
                            this.reportParseError("Expected 'new' on array declaration in member definition");
                        }
                        member = new TypeScript.BinaryExpression(TypeScript.NodeType.Member, memberName, memberExpr);
                        member.minChar = memberName.minChar;
                        if(memberExpr.nodeType == TypeScript.NodeType.FuncDecl) {
                            var funcDecl = memberExpr;
                            funcDecl.hint = idHint;
                        }
                    } else {
                        this.reportParseError("Expected ':' in member definition");
                        if(this.errorRecovery) {
                            this.skip(errorRecoverySet);
                            elements.flags |= TypeScript.ASTFlags.Error;
                            elements.minChar = minChar;
                            elements.limChar = this.scanner.lastTokenLimChar();
                            return elements;
                        }
                    }
                }
                idHint = null;
                elements.append(member);
                member.limChar = this.scanner.lastTokenLimChar();
                if(this.tok.tokenId != TypeScript.TokenID.Comma) {
                    break;
                } else {
                    this.tok = this.scanner.scan();
                }
                if(this.tok.tokenId == TypeScript.TokenID.RCurly) {
                    break;
                }
            }
            if(member) {
                elements.limChar = member.limChar;
            }
            elements.minChar = minChar;
            return elements;
        };
        Parser.prototype.parseArrayList = function (errorRecoverySet) {
            var elements = null;
            if(this.tok.tokenId == TypeScript.TokenID.RBrack) {
                return elements;
            } else {
                elements = new TypeScript.ASTList();
                elements.minChar = this.scanner.startPos;
            }
            var arg;
            for(; ; ) {
                if((this.tok.tokenId == TypeScript.TokenID.Comma) || (this.tok.tokenId == TypeScript.TokenID.RBrack)) {
                    arg = new TypeScript.AST(TypeScript.NodeType.EmptyExpr);
                } else {
                    arg = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Cma, true, TypeContext.NoTypes);
                }
                elements.append(arg);
                if(this.tok.tokenId != TypeScript.TokenID.Comma) {
                    break;
                }
                this.tok = this.scanner.scan();
            }
            elements.limChar = this.scanner.lastTokenLimChar();
            return elements;
        };
        Parser.prototype.parseArrayLiteral = function (errorRecoverySet) {
            var arrayLiteral = null;
            arrayLiteral = new TypeScript.UnaryExpression(TypeScript.NodeType.ArrayLit, this.parseArrayList(errorRecoverySet));
            return arrayLiteral;
        };
        Parser.prototype.parseTerm = function (errorRecoverySet, allowCall, typeContext, inCast) {
            var ast = null;
            var sawId = false;
            var inNew = false;
            var minChar = this.scanner.startPos;
            var limChar = this.scanner.pos;
            var parseAsLambda = false;
            switch(this.tok.tokenId) {
                case TypeScript.TokenID.NUMBER:
                case TypeScript.TokenID.BOOL:
                case TypeScript.TokenID.ANY:
                case TypeScript.TokenID.STRING: {
                    var tid = new TypeScript.Identifier(TypeScript.tokenTable[this.tok.tokenId].text);
                    if(TypeScript.hasFlag(typeContext, TypeContext.Primitive)) {
                        ast = new TypeScript.TypeReference(tid, 0);
                        sawId = true;
                    } else {
                        ast = tid;
                        sawId = true;
                    }
                    ast.minChar = minChar;
                    this.tok = this.scanner.scan();
                    limChar = this.scanner.lastTokenLimChar();
                    break;

                }
                case TypeScript.TokenID.THIS: {
                    ast = new TypeScript.AST(TypeScript.NodeType.This);
                    ast.minChar = minChar;
                    this.tok = this.scanner.scan();
                    limChar = this.scanner.lastTokenLimChar();
                    break;

                }
                case TypeScript.TokenID.SUPER: {
                    ast = new TypeScript.AST(TypeScript.NodeType.Super);
                    ast.minChar = minChar;
                    this.tok = this.scanner.scan();
                    limChar = this.scanner.lastTokenLimChar();
                    break;

                }
                case TypeScript.TokenID.TRUE: {
                    ast = new TypeScript.AST(TypeScript.NodeType.True);
                    this.tok = this.scanner.scan();
                    ast.minChar = minChar;
                    break;

                }
                case TypeScript.TokenID.FALSE: {
                    ast = new TypeScript.AST(TypeScript.NodeType.False);
                    this.tok = this.scanner.scan();
                    ast.minChar = minChar;
                    break;

                }
                case TypeScript.TokenID.NULL: {
                    ast = new TypeScript.AST(TypeScript.NodeType.Null);
                    this.tok = this.scanner.scan();
                    ast.minChar = minChar;
                    break;

                }
                case TypeScript.TokenID.NEW: {
                    minChar = this.scanner.pos;
                    this.tok = this.scanner.scan();
                    ast = new TypeScript.CallExpression(TypeScript.NodeType.New, this.parseTerm(errorRecoverySet, false, TypeContext.AllSimpleTypes, inCast), null);
                    ast.minChar = minChar;
                    limChar = this.scanner.lastTokenLimChar();
                    inNew = true;
                    break;

                }
                case TypeScript.TokenID.FUNCTION: {
                    minChar = this.scanner.pos;
                    ast = this.parseFncDecl(errorRecoverySet, false, false, false, null, false, false, false, TypeScript.Modifiers.None, null);
                    (ast).fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
                    ast.minChar = minChar;
                    limChar = this.scanner.lastTokenLimChar();
                    ast.limChar = limChar;
                    break;

                }
            }
            if(ast == null) {
                if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                    var idText = this.tok.getText();
                    ast = this.createRef(idText, minChar);
                    sawId = true;
                    ast.minChar = minChar;
                    this.tok = this.scanner.scan();
                    if(this.tok.tokenId == TypeScript.TokenID.QMark) {
                        ast.flags |= TypeScript.ASTFlags.PossibleOptionalParameter;
                    } else {
                        if(this.tok.tokenId == TypeScript.TokenID.Arrow) {
                            parseAsLambda = true;
                        }
                    }
                    limChar = this.scanner.lastTokenLimChar();
                }
            }
            if(inCast) {
                this.chkCurTok(TypeScript.TokenID.GT, "Expected '>'", errorRecoverySet);
            }
            if(ast == null) {
                switch(this.tok.tokenId) {
                    case TypeScript.TokenID.LParen: {
                        minChar = this.scanner.pos;
                        var prevTokId = this.scanner.previousToken().tokenId;
                        this.tok = this.scanner.scan();
                        var couldBeLambda = prevTokId == TypeScript.TokenID.LParen || prevTokId == TypeScript.TokenID.Comma || prevTokId == TypeScript.TokenID.EQ || prevTokId == TypeScript.TokenID.Colon;
                        if(couldBeLambda && this.tok.tokenId == TypeScript.TokenID.RParen) {
                            parseAsLambda = true;
                            this.tok = this.scanner.scan();
                        } else {
                            ast = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes);
                            limChar = this.scanner.lastTokenLimChar();
                            parseAsLambda = couldBeLambda && (ast.nodeType == TypeScript.NodeType.Name || ast.nodeType == TypeScript.NodeType.Comma) && (this.tok.tokenId == TypeScript.TokenID.Colon || this.tok.tokenId == TypeScript.TokenID.QMark);
                        }
                        if((ast && !parseAsLambda)) {
                            this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", errorRecoverySet);
                            ast.isParenthesized = true;
                        }
                        break;

                    }
                    case TypeScript.TokenID.NumberLit: {
                        var numTok = this.tok;
                        this.tok = this.scanner.scan();
                        ast = new TypeScript.NumberLiteral(numTok.value);
                        ast.minChar = minChar;
                        limChar = this.scanner.lastTokenLimChar();
                        break;
                    }

                    case TypeScript.TokenID.QString: {
                        ast = new TypeScript.StringLiteral(this.tok.getText());
                        this.tok = this.scanner.scan();
                        ast.minChar = minChar;
                        limChar = this.scanner.lastTokenLimChar();
                        break;

                    }
                    case TypeScript.TokenID.Regex: {
                        var rtok = this.tok;
                        ast = new TypeScript.RegexLiteral(rtok.regex);
                        this.tok = this.scanner.scan();
                        ast.minChar = minChar;
                        limChar = this.scanner.lastTokenLimChar();
                        break;
                    }

                    case TypeScript.TokenID.LBrack: {
                        minChar = this.scanner.startPos;
                        this.tok = this.scanner.scan();
                        ast = this.parseArrayLiteral(TypeScript.ErrorRecoverySet.RBrack | errorRecoverySet);
                        ast.minChar = minChar;
                        limChar = this.scanner.pos;
                        this.chkCurTok(TypeScript.TokenID.RBrack, "Expected ']'", errorRecoverySet);
                        break;

                    }
                    case TypeScript.TokenID.LCurly: {
                        minChar = this.scanner.startPos;
                        this.tok = this.scanner.scan();
                        var members = this.parseMemberList(TypeScript.ErrorRecoverySet.RCurly | errorRecoverySet);
                        this.chkCurTok(TypeScript.TokenID.RCurly, "Expected '}'", errorRecoverySet);
                        ast = new TypeScript.UnaryExpression(TypeScript.NodeType.ObjectLit, members);
                        ast.minChar = minChar;
                        limChar = this.scanner.lastTokenLimChar();
                        members.minChar = minChar;
                        members.limChar = limChar;
                        break;

                    }
                    case TypeScript.TokenID.LT: {
                        minChar = this.scanner.startPos;
                        this.tok = this.scanner.scan();
                        var term = this.parseTypeReference(TypeScript.ErrorRecoverySet.BinOp, false);
                        this.chkCurTok(TypeScript.TokenID.GT, "Expected '>'", errorRecoverySet);
                        ast = new TypeScript.UnaryExpression(TypeScript.NodeType.TypeAssertion, this.parseExpr(errorRecoverySet, TypeScript.OperatorPrecedence.Uni, false, TypeContext.NoTypes));
                        (ast).castTerm = term;
                        break;

                    }
                    default: {
                        if(this.prevExpr && TypeScript.hasFlag(this.prevExpr.flags, TypeScript.ASTFlags.PossibleOptionalParameter)) {
                            parseAsLambda = true;
                            ast = this.prevExpr;
                        } else {
                            this.reportParseError("Check format of expression term");
                            if(this.errorRecovery) {
                                var ident = new TypeScript.MissingIdentifier();
                                ident.minChar = minChar;
                                ident.flags |= TypeScript.ASTFlags.Error;
                                this.skip(errorRecoverySet | TypeScript.ErrorRecoverySet.Postfix);
                                if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                                    ident.text = this.tok.getText();
                                    this.tok = this.scanner.scan();
                                    limChar = this.scanner.lastTokenLimChar();
                                } else {
                                    limChar = this.scanner.lastTokenLimChar();
                                }
                                ast = ident;
                            }
                        }

                    }
                }
            }
            if(parseAsLambda) {
                if(this.tok.tokenId == TypeScript.TokenID.Arrow || this.tok.tokenId == TypeScript.TokenID.Colon || this.tok.tokenId == TypeScript.TokenID.Comma || this.tok.tokenId == TypeScript.TokenID.RParen) {
                    ast = this.parseFncDecl(errorRecoverySet, false, false, false, null, false, false, false, TypeScript.Modifiers.None, {
                        preProcessedLambdaArgs: ast
                    });
                    (ast).fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
                    (ast).fncFlags |= TypeScript.FncFlags.IsFatArrowFunction;
                    ast.minChar = minChar;
                    limChar = this.scanner.lastTokenLimChar();
                    ast.limChar = limChar;
                } else {
                    if(ast) {
                        ast.isParenthesized = true;
                    }
                }
            }
            if(sawId && (typeContext != TypeContext.NoTypes)) {
                typeContext |= TypeContext.ArraySuffix;
            }
            var postFix = this.parsePostfixOperators(errorRecoverySet, ast, allowCall, inNew, typeContext, minChar, limChar);
            if(postFix) {
                if(sawId && (postFix.nodeType == TypeScript.NodeType.Index)) {
                    var binExpr = postFix;
                    if(binExpr.operand2 == null) {
                        postFix = this.convertToTypeReference(postFix);
                    }
                }
                postFix.minChar = minChar;
                postFix.limChar = TypeScript.max(postFix.limChar, this.scanner.lastTokenLimChar());
                return postFix;
            } else {
                return new TypeScript.AST(TypeScript.NodeType.Error);
            }
        };
        Parser.prototype.parseExpr = function (errorRecoverySet, minPrecedence, allowIn, typeContext) {
            var ast = null;
            var tokenInfo = TypeScript.lookupToken(this.tok.tokenId);
            var canAssign = true;
            var idHint = null;
            var minChar = this.scanner.startPos;
            var preComments = this.parseComments();
            var exprIsAnonLambda = false;
            if((tokenInfo != undefined) && (tokenInfo.unopNodeType != TypeScript.NodeType.None)) {
                canAssign = false;
                this.tok = this.scanner.scan();
                var tempExpr = this.parseExpr(TypeScript.ErrorRecoverySet.BinOp | errorRecoverySet, tokenInfo.unopPrecedence, allowIn, TypeContext.NoTypes);
                if((tokenInfo.unopNodeType == TypeScript.NodeType.Pos) && (tempExpr.nodeType == TypeScript.NodeType.NumberLit)) {
                    ast = tempExpr;
                } else {
                    if((tokenInfo.unopNodeType == TypeScript.NodeType.Neg) && (tempExpr.nodeType == TypeScript.NodeType.NumberLit)) {
                        var numLit = tempExpr;
                        numLit.value = (-numLit.value);
                        if(numLit.value == 0) {
                            numLit.isNegativeZero = true;
                        }
                        ast = tempExpr;
                    } else {
                        ast = new TypeScript.UnaryExpression(tokenInfo.unopNodeType, tempExpr);
                        ast.limChar = tempExpr.limChar;
                    }
                }
                ast.minChar = minChar;
            } else {
                ast = this.parseTerm(TypeScript.ErrorRecoverySet.BinOp | TypeScript.ErrorRecoverySet.AddOp | errorRecoverySet, true, typeContext, false);
                var id;
                var temp;
                if(ast.nodeType == TypeScript.NodeType.Name) {
                    id = ast;
                    idHint = id.text;
                } else {
                    if(ast.nodeType == TypeScript.NodeType.Dot) {
                        var subsumedExpr = false;
                        if(this.inferPropertiesFromThisAssignment && (this.tok.tokenId == TypeScript.TokenID.Colon || this.tok.tokenId == TypeScript.TokenID.Asg) && this.parsingClassConstructorDefinition && this.nestingLevel == this.currentClassDefinition.constructorNestingLevel && (ast).operand1.nodeType == TypeScript.NodeType.This) {
                            if((ast).operand2.nodeType == TypeScript.NodeType.Name) {
                                var op2ID = ((ast).operand2);
                                if(!this.currentClassDefinition.knownMemberNames[op2ID.text]) {
                                    ast = this.parseClassMemberVariableDeclaration(op2ID, ast.minChar, true, errorRecoverySet, TypeScript.Modifiers.Public);
                                    subsumedExpr = true;
                                }
                            }
                        }
                        if(!subsumedExpr) {
                            temp = ast;
                            while(temp.nodeType == TypeScript.NodeType.Dot) {
                                var binExpr = temp;
                                temp = binExpr.operand2;
                            }
                            if(temp.nodeType == TypeScript.NodeType.Name) {
                                id = temp;
                                idHint = id.text;
                            }
                        }
                    }
                }
                if((!this.scanner.lastTokenHadNewline()) && ((this.tok.tokenId == TypeScript.TokenID.Inc) || (this.tok.tokenId == TypeScript.TokenID.Dec))) {
                    canAssign = false;
                    var operand = ast;
                    ast = new TypeScript.UnaryExpression((this.tok.tokenId == TypeScript.TokenID.Inc) ? TypeScript.NodeType.IncPost : TypeScript.NodeType.DecPost, operand);
                    ast.limChar = this.scanner.pos;
                    ast.minChar = operand.minChar;
                    this.tok = this.scanner.scan();
                }
            }
            for(; ; ) {
                tokenInfo = TypeScript.lookupToken(this.tok.tokenId);
                if((tokenInfo == undefined) || (tokenInfo.binopNodeType == TypeScript.NodeType.None)) {
                    break;
                }
                if((!allowIn) && (tokenInfo.binopNodeType == TypeScript.NodeType.In)) {
                    break;
                }
                if(tokenInfo.binopPrecedence == TypeScript.OperatorPrecedence.Asg) {
                    if(tokenInfo.binopPrecedence < minPrecedence) {
                        break;
                    }
                    if(!canAssign) {
                        this.reportParseError("illegal assignment");
                    }
                } else {
                    if(tokenInfo.binopPrecedence <= minPrecedence) {
                        break;
                    }
                }
                this.tok = this.scanner.scan();
                canAssign = false;
                if(tokenInfo.binopNodeType == TypeScript.NodeType.QMark) {
                    this.prevExpr = ast;
                    var qmarkNode = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.Colon, TypeScript.OperatorPrecedence.Asg, allowIn, TypeContext.NoTypes);
                    this.prevExpr = null;
                    if(!(qmarkNode.nodeType == TypeScript.NodeType.FuncDecl && TypeScript.hasFlag((qmarkNode).fncFlags, TypeScript.FncFlags.IsFatArrowFunction))) {
                        this.chkCurTok(TypeScript.TokenID.Colon, "Expected :", errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart);
                        ast = new TypeScript.TrinaryExpression(TypeScript.NodeType.QMark, ast, qmarkNode, this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.BinOp, TypeScript.OperatorPrecedence.Asg, allowIn, TypeContext.NoTypes));
                    } else {
                        ast = qmarkNode;
                        exprIsAnonLambda = true;
                    }
                } else {
                    var tc = TypeContext.NoTypes;
                    var binExpr2;
                    binExpr2 = new TypeScript.BinaryExpression(tokenInfo.binopNodeType, ast, this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.BinOp, tokenInfo.binopPrecedence, allowIn, TypeContext.NoTypes));
                    if(binExpr2.operand2.nodeType == TypeScript.NodeType.FuncDecl) {
                        var funcDecl = binExpr2.operand2;
                        funcDecl.hint = idHint;
                    }
                    binExpr2.minChar = ast.minChar;
                    binExpr2.limChar = this.scanner.lastTokenLimChar();
                    idHint = null;
                    ast = binExpr2;
                }
            }
            if(canAssign) {
                ast.flags |= TypeScript.ASTFlags.Writeable;
            }
            if(!exprIsAnonLambda) {
                ast.minChar = minChar;
                ast.limChar = TypeScript.max(ast.limChar, this.scanner.lastTokenLimChar());
                ast.preComments = preComments;
                ast.postComments = this.parseCommentsForLine(this.scanner.line);
            }
            return ast;
        };
        Parser.prototype.parsePostfixOperators = function (errorRecoverySet, ast, allowCall, inNew, typeContext, lhsMinChar, lhsLimChar) {
            var count = 0;
            if(!ast) {
                ast = new TypeScript.AST(TypeScript.NodeType.EmptyExpr);
                ast.isParenthesized = true;
            }
            ast.minChar = lhsMinChar;
            ast.limChar = lhsLimChar;
            for(; ; ) {
                switch(this.tok.tokenId) {
                    case TypeScript.TokenID.LParen: {
                        if(inNew) {
                            var callExpr = ast;
                            callExpr.args = this.parseArgList(errorRecoverySet);
                            inNew = false;
                        } else {
                            if(!allowCall) {
                                return ast;
                            }
                            ast = new TypeScript.CallExpression(TypeScript.NodeType.Call, ast, this.parseArgList(errorRecoverySet));
                            ast.minChar = lhsMinChar;
                        }
                        ast.limChar = this.scanner.pos;
                        this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", errorRecoverySet);
                        break;

                    }
                    case TypeScript.TokenID.LBrack: {
                        this.tok = this.scanner.scan();
                        if(this.tok.tokenId == TypeScript.TokenID.RBrack) {
                            if(TypeScript.hasFlag(typeContext, TypeContext.ArraySuffix)) {
                                this.tok = this.scanner.scan();
                                if(ast.nodeType == TypeScript.NodeType.TypeRef) {
                                    var typeRef = ast;
                                    typeRef.arrayCount++;
                                } else {
                                    ast = new TypeScript.BinaryExpression(TypeScript.NodeType.Index, ast, null);
                                }
                                ast.limChar = this.scanner.pos;
                                break;
                            }
                        }
                        ast = new TypeScript.BinaryExpression(TypeScript.NodeType.Index, ast, this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.RBrack, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes));
                        ast.minChar = lhsMinChar;
                        ast.limChar = this.scanner.pos;
                        this.chkCurTok(TypeScript.TokenID.RBrack, "Expected ']'", errorRecoverySet);
                        break;

                    }
                    case TypeScript.TokenID.Dot: {
                        var name = null;
                        var curpos = this.scanner.pos;
                        this.tok = this.scanner.scan();
                        if((this.tok.tokenId == TypeScript.TokenID.ID) || (!this.scanner.lastTokenHadNewline() && TypeScript.convertTokToIDName(this.tok))) {
                            ast.flags |= TypeScript.ASTFlags.DotLHS;
                            name = this.createRef(this.tok.getText(), this.scanner.startPos);
                            name.limChar = this.scanner.pos;
                            this.tok = this.scanner.scan();
                        } else {
                            this.reportParseError("Expected identifier following dot");
                            if(this.errorRecovery) {
                                this.skip(errorRecoverySet);
                                ast.flags |= (TypeScript.ASTFlags.Error | TypeScript.ASTFlags.DotLHS);
                                return ast;
                            } else {
                                name = new TypeScript.MissingIdentifier();
                            }
                        }
                        ast = new TypeScript.BinaryExpression(TypeScript.NodeType.Dot, ast, name);
                        ast.minChar = lhsMinChar;
                        ast.limChar = this.scanner.lastTokenLimChar();
                        break;
                    }

                    case TypeScript.TokenID.Arrow: {
                        ast = this.parseFncDecl(errorRecoverySet, false, false, false, null, false, false, false, TypeScript.Modifiers.None, {
                            preProcessedLambdaArgs: ast
                        });
                        (ast).fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
                        ast.minChar = lhsMinChar;
                        ast.limChar = this.scanner.lastTokenLimChar();
                        break;

                    }
                    default: {
                        return ast;

                    }
                }
            }
        };
        Parser.prototype.parseTry = function (tryNode, errorRecoverySet, allowedElements, parentModifiers) {
            var minChar = this.scanner.startPos;
            var preComments = this.parseComments();
            this.tok = this.scanner.scan();
            if(this.tok.tokenId != TypeScript.TokenID.LCurly) {
                this.reportParseError("Expected '{'");
                if(this.errorRecovery) {
                    var etryNode = tryNode;
                    etryNode.minChar = minChar;
                    etryNode.limChar = this.scanner.lastTokenLimChar();
                    etryNode.flags |= TypeScript.ASTFlags.Error;
                    return etryNode;
                }
            }
            tryNode.body = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
            tryNode.minChar = minChar;
            tryNode.limChar = tryNode.body.limChar;
            tryNode.preComments = preComments;
            tryNode.postComments = this.parseComments();
            return tryNode;
        };
        Parser.prototype.parseCatch = function (errorRecoverySet, allowedElements, parentModifiers) {
            var catchMinChar = this.scanner.startPos;
            var preComments = this.parseComments();
            this.tok = this.scanner.scan();
            this.chkCurTok(TypeScript.TokenID.LParen, "Expected '('", errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart);
            if((this.tok.tokenId != TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                this.reportParseError("Expected identifier in catch header");
                if(this.errorRecovery) {
                    this.skip(errorRecoverySet);
                    var ecatch = new TypeScript.Catch(new TypeScript.VarDecl(new TypeScript.MissingIdentifier(), this.nestingLevel), new TypeScript.Statement(TypeScript.NodeType.Empty));
                    ecatch.minChar = this.scanner.startPos;
                    ecatch.limChar = this.scanner.pos;
                    ecatch.flags |= TypeScript.ASTFlags.Error;
                    return ecatch;
                }
            }
            var param = new TypeScript.VarDecl(new TypeScript.Identifier(this.tok.getText()), this.nestingLevel);
            param.id.minChar = this.scanner.startPos;
            param.id.limChar = this.scanner.pos;
            param.minChar = param.id.minChar;
            param.limChar = param.id.limChar;
            this.tok = this.scanner.scan();
            this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
            if(this.tok.tokenId != TypeScript.TokenID.LCurly) {
                this.reportParseError("Expected '{' to start catch body");
                if(this.errorRecovery) {
                    this.skip(errorRecoverySet);
                    var ecatch = new TypeScript.Catch(new TypeScript.VarDecl(new TypeScript.MissingIdentifier(), this.nestingLevel), new TypeScript.Statement(TypeScript.NodeType.Empty));
                    ecatch.minChar = this.scanner.startPos;
                    ecatch.limChar = this.scanner.pos;
                    ecatch.flags |= TypeScript.ASTFlags.Error;
                    return ecatch;
                }
            }
            var catchStmt = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
            var catchNode = new TypeScript.Catch(param, catchStmt);
            catchNode.minChar = catchMinChar;
            catchNode.limChar = catchStmt.limChar;
            catchNode.preComments = preComments;
            catchNode.postComments = this.parseComments();
            return catchNode;
        };
        Parser.prototype.parseFinally = function (errorRecoverySet, allowedElements, parentModifiers) {
            var finMinChar = this.scanner.startPos;
            var preComments = this.parseComments();
            this.tok = this.scanner.scan();
            if(this.tok.tokenId != TypeScript.TokenID.LCurly) {
                this.reportParseError("Expected '{' to start body of finally statement");
                if(this.errorRecovery) {
                    this.skip(errorRecoverySet);
                    var efin = new TypeScript.Finally(new TypeScript.Statement(TypeScript.NodeType.Empty));
                    efin.flags |= TypeScript.ASTFlags.Error;
                    efin.minChar = this.scanner.startPos;
                    efin.limChar = this.scanner.pos;
                    return efin;
                }
            }
            var finBody = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
            var fin = new TypeScript.Finally(finBody);
            fin.minChar = finMinChar;
            fin.limChar = fin.body.limChar;
            fin.preComments = preComments;
            fin.postComments = this.parseComments();
            return fin;
        };
        Parser.prototype.parseTryCatchFinally = function (errorRecoverySet, allowedElements, parentModifiers, labelList) {
            var tryPart = new TypeScript.Try(null);
            var tryMinChar = this.scanner.startPos;
            this.pushStmt(tryPart, labelList);
            this.parseTry(tryPart, errorRecoverySet | TypeScript.ErrorRecoverySet.Catch, allowedElements, parentModifiers);
            this.popStmt();
            var tc = null;
            var tf = null;
            if(this.tok.tokenId == TypeScript.TokenID.CATCH) {
                var catchPart = this.parseCatch(errorRecoverySet | TypeScript.ErrorRecoverySet.Catch, allowedElements, parentModifiers);
                tc = new TypeScript.TryCatch(tryPart, catchPart);
                tc.minChar = tryPart.minChar;
                tc.limChar = catchPart.limChar;
            }
            if(this.tok.tokenId != TypeScript.TokenID.FINALLY) {
                if(tc == null) {
                    this.reportParseError("try with neither catch nor finally");
                    if(this.errorRecovery) {
                        var etf = new TypeScript.TryFinally(tryPart, new TypeScript.Finally(new TypeScript.AST(TypeScript.NodeType.Empty)));
                        etf.flags |= TypeScript.ASTFlags.Error;
                        etf.minChar = this.scanner.startPos;
                        etf.limChar = this.scanner.pos;
                        return etf;
                    }
                    return new TypeScript.TryFinally(tryPart, new TypeScript.Finally(new TypeScript.AST(TypeScript.NodeType.Empty)));
                } else {
                    return tc;
                }
            } else {
                if(tc) {
                    tryPart = tc;
                }
                var finallyPart = this.parseFinally(errorRecoverySet, allowedElements, parentModifiers);
                tf = new TypeScript.TryFinally(tryPart, finallyPart);
                tf.minChar = tryMinChar;
                tf.limChar = finallyPart.limChar;
                return tf;
            }
        };
        Parser.prototype.parseStatement = function (errorRecoverySet, allowedElements, parentModifiers) {
            var ast = null;
            var labelList = null;
            var astList = null;
            var temp;
            var modifiers = TypeScript.Modifiers.None;
            var minChar = this.scanner.startPos;
            var forInOk = false;
            var needTerminator = false;
            var fnOrVar = null;
            var preComments = this.parseComments();
            this.state = ParseState.StartStatement;
            function isAmbient() {
                return TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient) || TypeScript.hasFlag(parentModifiers, TypeScript.Modifiers.Ambient);
            }
            function mayNotBeExported() {
                if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                    this.reportError("Statement may not be exported");
                }
            }
            for(; ; ) {
                switch(this.tok.tokenId) {
                    case TypeScript.TokenID.EOF: {
                        ast = new TypeScript.AST(TypeScript.NodeType.Error);
                        ast.minChar = minChar;
                        ast.limChar = this.scanner.pos;
                        break;

                    }
                    case TypeScript.TokenID.FUNCTION: {
                        if(this.inStaticFnc) {
                            this.reportParseError("Ambient static function delarations may only contain other ambient static function declarations");
                        }
                        if(this.parsingDeclareFile || isAmbient() || this.ambientModule) {
                            this.tok = this.scanner.scan();
                            fnOrVar = this.parsePropertyDecl(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, modifiers, true, false);
                            if(fnOrVar.nodeType == TypeScript.NodeType.VarDecl) {
                                this.reportParseError("function keyword can only introduce function declaration");
                            } else {
                                if((fnOrVar.nodeType == TypeScript.NodeType.FuncDecl) && ((fnOrVar).fncFlags , TypeScript.FncFlags.IsFatArrowFunction)) {
                                    needTerminator = true;
                                }
                            }
                            ast = fnOrVar;
                        } else {
                            ast = this.parseFncDecl(errorRecoverySet, true, false, false, null, false, false, isAmbient(), modifiers, null);
                            if(TypeScript.hasFlag((ast).fncFlags, TypeScript.FncFlags.IsFatArrowFunction)) {
                                needTerminator = true;
                            }
                            if(this.ambientModule) {
                                this.reportParseError("function declaration not permitted within ambient module");
                            }
                            if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                                (ast).fncFlags |= TypeScript.FncFlags.Exported;
                            }
                        }
                        break;

                    }
                    case TypeScript.TokenID.MODULE: {
                        if((allowedElements & TypeScript.AllowedElements.ModuleDecls) == TypeScript.AllowedElements.None) {
                            this.reportParseError("module not allowed in this context");
                            this.tok = this.scanner.scan();
                            ast = new TypeScript.AST(TypeScript.NodeType.Error);
                            ast.minChar = minChar;
                            ast.limChar = this.scanner.lastTokenLimChar();
                        } else {
                            ast = this.parseModuleDecl(errorRecoverySet, modifiers);
                        }
                        break;

                    }
                    case TypeScript.TokenID.IMPORT: {
                        if((allowedElements & TypeScript.AllowedElements.ModuleDecls) == TypeScript.AllowedElements.None) {
                            this.reportParseError("module not allowed in this context");
                            this.tok = this.scanner.scan();
                            ast = new TypeScript.AST(TypeScript.NodeType.Error);
                            ast.minChar = minChar;
                            ast.limChar = this.scanner.lastTokenLimChar();
                        } else {
                            ast = this.parseImportDecl(errorRecoverySet, modifiers);
                        }
                        break;

                    }
                    case TypeScript.TokenID.EXPORT: {
                        if((allowedElements & TypeScript.AllowedElements.ModuleDecls) == TypeScript.AllowedElements.None) {
                            this.reportParseError("'export' statements are only allowed at the global and module levels");
                            this.tok = this.scanner.scan();
                            ast = new TypeScript.AST(TypeScript.NodeType.Error);
                            ast.minChar = minChar;
                            ast.limChar = this.scanner.lastTokenLimChar();
                        }
                        if(this.topLevel) {
                            this.hasTopLevelImportOrExport = true;
                        }
                        modifiers |= TypeScript.Modifiers.Exported;
                        this.tok = this.scanner.scan();
                        break;

                    }
                    case TypeScript.TokenID.PRIVATE: {
                        modifiers |= TypeScript.Modifiers.Private;
                        this.tok = this.scanner.scan();
                        if(this.parsingClassConstructorDefinition) {
                            if(!this.inferPropertiesFromThisAssignment) {
                                this.reportParseError("Property declarations are not permitted within constructor bodies");
                            }
                            minChar = this.scanner.pos;
                            if(this.inferPropertiesFromThisAssignment && (this.tok.tokenId != TypeScript.TokenID.THIS || (this.tok = this.scanner.scan()).tokenId != TypeScript.TokenID.Dot)) {
                                this.reportParseError("Expected 'this.' for property declaration");
                                this.tok = this.scanner.scan();
                                ast = new TypeScript.AST(TypeScript.NodeType.Error);
                                ast.minChar = minChar;
                                ast.limChar = this.scanner.lastTokenLimChar();
                            } else {
                                this.tok = this.scanner.scan();
                                var id = new TypeScript.Identifier(this.tok.getText());
                                id.minChar = this.scanner.startPos;
                                id.limChar = this.scanner.pos;
                                this.tok = this.scanner.scan();
                                ast = this.parseClassMemberVariableDeclaration(id, minChar, this.parsingClassConstructorDefinition, errorRecoverySet, modifiers);
                            }
                        } else {
                            if(this.tok.tokenId != TypeScript.TokenID.INTERFACE) {
                                if(this.tok.tokenId == TypeScript.TokenID.GET) {
                                    this.prevIDTok = this.tok;
                                    this.tok = this.scanner.scan();
                                    if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                        this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                                    }
                                    if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                                        modifiers |= TypeScript.Modifiers.Getter;
                                        this.prevIDTok = null;
                                    }
                                } else {
                                    if(this.tok.tokenId == TypeScript.TokenID.SET) {
                                        this.prevIDTok = this.tok;
                                        this.tok = this.scanner.scan();
                                        if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                            this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                                        }
                                        if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                                            modifiers |= TypeScript.Modifiers.Setter;
                                            this.prevIDTok = null;
                                        }
                                    }
                                }
                                fnOrVar = this.parsePropertyDecl(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, modifiers, isAmbient(), false);
                                if((fnOrVar.nodeType == TypeScript.NodeType.VarDecl) || ((fnOrVar.nodeType == TypeScript.NodeType.FuncDecl) && (TypeScript.hasFlag((fnOrVar).fncFlags, TypeScript.FncFlags.IsFatArrowFunction)))) {
                                    needTerminator = true;
                                }
                                ast = fnOrVar;
                            }
                        }
                        break;

                    }
                    case TypeScript.TokenID.PUBLIC: {
                        if(this.parsingClassConstructorDefinition) {
                            if(!this.inferPropertiesFromThisAssignment) {
                                this.reportParseError("Property declarations are not permitted within constructor bodies");
                            }
                            this.tok = this.scanner.scan();
                            minChar = this.scanner.pos;
                            modifiers |= TypeScript.Modifiers.Public;
                            if(this.inferPropertiesFromThisAssignment && (this.tok.tokenId != TypeScript.TokenID.THIS || (this.tok = this.scanner.scan()).tokenId != TypeScript.TokenID.Dot)) {
                                this.reportParseError("Expected 'this.' for property declaration");
                                this.tok = this.scanner.scan();
                                ast = new TypeScript.AST(TypeScript.NodeType.Error);
                                ast.minChar = minChar;
                                ast.limChar = this.scanner.lastTokenLimChar();
                            } else {
                                this.tok = this.scanner.scan();
                                var id = new TypeScript.Identifier(this.tok.getText());
                                id.minChar = this.scanner.startPos;
                                id.limChar = this.scanner.pos;
                                this.tok = this.scanner.scan();
                                ast = this.parseClassMemberVariableDeclaration(id, minChar, this.parsingClassConstructorDefinition, errorRecoverySet, modifiers);
                            }
                        } else {
                            if((allowedElements & TypeScript.AllowedElements.Properties) == TypeScript.AllowedElements.None) {
                                this.reportParseError("'property' statements are only allowed within classes");
                                this.tok = this.scanner.scan();
                                ast = new TypeScript.AST(TypeScript.NodeType.Error);
                                ast.minChar = minChar;
                                ast.limChar = this.scanner.lastTokenLimChar();
                            } else {
                                modifiers |= TypeScript.Modifiers.Public;
                                this.tok = this.scanner.scan();
                                if(this.tok.tokenId == TypeScript.TokenID.GET) {
                                    this.prevIDTok = this.tok;
                                    this.tok = this.scanner.scan();
                                    if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                        this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                                    }
                                    if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                                        modifiers |= TypeScript.Modifiers.Getter;
                                        this.prevIDTok = null;
                                    }
                                } else {
                                    if(this.tok.tokenId == TypeScript.TokenID.SET) {
                                        this.prevIDTok = this.tok;
                                        this.tok = this.scanner.scan();
                                        if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                            this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                                        }
                                        if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                                            modifiers |= TypeScript.Modifiers.Setter;
                                            this.prevIDTok = null;
                                        }
                                    }
                                }
                                fnOrVar = this.parsePropertyDecl(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, modifiers, isAmbient(), false);
                                if((fnOrVar.nodeType == TypeScript.NodeType.VarDecl) || ((fnOrVar.nodeType == TypeScript.NodeType.FuncDecl) && TypeScript.hasFlag((fnOrVar).fncFlags, TypeScript.FncFlags.IsFatArrowFunction))) {
                                    needTerminator = true;
                                }
                                ast = fnOrVar;
                            }
                        }
                        break;

                    }
                    case TypeScript.TokenID.DECLARE: {
                        if(!(allowedElements & TypeScript.AllowedElements.AmbientDecls)) {
                            this.reportParseError("Ambient declarations are only allowed at the top-level or module scopes");
                        }
                        if(!this.parsingDeclareFile && TypeScript.hasFlag(parentModifiers, TypeScript.Modifiers.Ambient)) {
                            this.reportParseError("Duplicate ambient declaration in this context. (Is the enclosing module or class already ambient?)");
                        }
                        modifiers |= TypeScript.Modifiers.Ambient;
                        this.tok = this.scanner.scan();
                        break;

                    }
                    case TypeScript.TokenID.CLASS: {
                        if((allowedElements & TypeScript.AllowedElements.ClassDecls) == TypeScript.AllowedElements.None) {
                            this.reportParseError("class not allowed in this context");
                            this.tok = this.scanner.scan();
                            ast = new TypeScript.AST(TypeScript.NodeType.Error);
                            ast.minChar = minChar;
                            ast.limChar = this.scanner.lastTokenLimChar();
                        } else {
                            ast = this.parseClassDecl(errorRecoverySet, minChar, modifiers);
                        }
                        break;

                    }
                    case TypeScript.TokenID.INTERFACE: {
                        if((allowedElements & TypeScript.AllowedElements.InterfaceDecls) == TypeScript.AllowedElements.None) {
                            this.reportParseError("interface not allowed in this context");
                            this.tok = this.scanner.scan();
                            ast = new TypeScript.AST(TypeScript.NodeType.Error);
                            ast.minChar = minChar;
                            ast.limChar = this.scanner.lastTokenLimChar();
                        } else {
                            ast = this.parseInterfaceDecl(errorRecoverySet, modifiers);
                        }
                        break;

                    }
                    case TypeScript.TokenID.VAR: {
                        var declAst = this.parseVarDecl(errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart, modifiers, true, false, false);
                        if(declAst.nodeType == TypeScript.NodeType.VarDecl) {
                            ast = declAst;
                        } else {
                            ast = new TypeScript.Block(declAst, false);
                        }
                        needTerminator = true;
                        if(this.parsingDeclareFile || this.ambientModule && ast.nodeType == TypeScript.NodeType.VarDecl) {
                            (ast).varFlags |= TypeScript.VarFlags.Exported;
                        }
                        break;

                    }
                    case TypeScript.TokenID.STATIC: {
                        if(this.currentClassDecl == null) {
                            this.reportParseError("Statics may only be class members");
                        }
                        mayNotBeExported();
                        modifiers |= TypeScript.Modifiers.Public;
                        this.tok = this.scanner.scan();
                        if(this.tok.tokenId == TypeScript.TokenID.GET) {
                            this.prevIDTok = this.tok;
                            this.tok = this.scanner.scan();
                            if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                            }
                            if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                                modifiers |= TypeScript.Modifiers.Getter;
                                this.prevIDTok = null;
                            }
                        } else {
                            if(this.tok.tokenId == TypeScript.TokenID.SET) {
                                this.tok = this.scanner.scan();
                                if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                    this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                                }
                                if((this.tok.tokenId == TypeScript.TokenID.ID) || TypeScript.convertTokToID(this.tok, this.strictMode)) {
                                    modifiers |= TypeScript.Modifiers.Setter;
                                }
                            }
                        }
                        if(isAmbient()) {
                            modifiers |= TypeScript.Modifiers.Ambient;
                        }
                        fnOrVar = this.parsePropertyDecl(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, modifiers, this.parsingDeclareFile || (modifiers & TypeScript.Modifiers.Ambient) != TypeScript.Modifiers.None, true);
                        var staticsList = this.topStaticsList();
                        if(staticsList && fnOrVar.nodeType == TypeScript.NodeType.VarDecl) {
                            staticsList.append(fnOrVar);
                        }
                        if(fnOrVar.nodeType == TypeScript.NodeType.VarDecl || ((fnOrVar.nodeType == TypeScript.NodeType.FuncDecl) && TypeScript.hasFlag((fnOrVar).fncFlags, TypeScript.FncFlags.IsFatArrowFunction))) {
                            needTerminator = true;
                        }
                        ast = fnOrVar;
                        break;

                    }
                    case TypeScript.TokenID.FOR: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("syntax error: for statement does not take modifiers");
                        }
                        minChar = this.scanner.startPos;
                        this.chkNxtTok(TypeScript.TokenID.LParen, "Expected '('", errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart | TypeScript.ErrorRecoverySet.Var);
                        this.state = ParseState.ForInit;
                        forInOk = true;
                        switch(this.tok.tokenId) {
                            case TypeScript.TokenID.VAR: {
                                temp = this.parseVarDecl(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon | TypeScript.ErrorRecoverySet.In, TypeScript.Modifiers.None, false, false, false);
                                break;

                            }
                            case TypeScript.TokenID.SColon: {
                                temp = null;
                                this.state = ParseState.ForCondStart;
                                break;

                            }
                            default: {
                                temp = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon | TypeScript.ErrorRecoverySet.In, TypeScript.OperatorPrecedence.No, false, TypeContext.NoTypes);
                                break;

                            }
                        }
                        this.state = ParseState.ForInitAfterVar;
                        if(this.tok.tokenId == TypeScript.TokenID.IN) {
                            if((temp == null) || (!forInOk)) {
                                this.reportParseError("malformed for statement");
                                if(this.errorRecovery) {
                                    this.skip(errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
                                    ast = new TypeScript.AST(TypeScript.NodeType.Empty);
                                    ast.flags |= TypeScript.ASTFlags.Error;
                                }
                            } else {
                                this.tok = this.scanner.scan();
                                var forInStmt = new TypeScript.ForInStatement(temp, this.parseExpr(TypeScript.ErrorRecoverySet.RParen | errorRecoverySet, TypeScript.OperatorPrecedence.Cma, false, TypeContext.NoTypes));
                                forInStmt.limChar = this.scanner.pos;
                                this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", TypeScript.ErrorRecoverySet.StmtStart | errorRecoverySet);
                                this.pushStmt(forInStmt, labelList);
                                forInStmt.body = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
                                this.popStmt();
                                forInStmt.minChar = minChar;
                                ast = forInStmt;
                            }
                        } else {
                            var forStmt = new TypeScript.ForStatement(temp);
                            forStmt.minChar = minChar;
                            this.chkCurTok(TypeScript.TokenID.SColon, "Expected ';'", errorRecoverySet);
                            if(this.tok.tokenId == TypeScript.TokenID.SColon) {
                                forStmt.cond = null;
                            } else {
                                forStmt.cond = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes);
                                if(this.tok.tokenId != TypeScript.TokenID.SColon) {
                                    this.skip(errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
                                    ast = forStmt;
                                    ast.flags |= TypeScript.ASTFlags.Error;
                                }
                            }
                            this.tok = this.scanner.scan();
                            if(this.tok.tokenId == TypeScript.TokenID.RParen) {
                                forStmt.incr = null;
                            } else {
                                forStmt.incr = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes);
                            }
                            this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly);
                            this.pushStmt(forStmt, labelList);
                            forStmt.body = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
                            this.popStmt();
                            forStmt.limChar = forStmt.body.limChar;
                            ast = forStmt;
                        }
                        break;

                    }
                    case TypeScript.TokenID.WITH: {
 {
                            if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                this.reportParseError("'with' statements are only available in ES5 codegen mode or better");
                            }
                            if(this.strictMode) {
                                this.reportParseError("'with' statements are not available in strict mode");
                            }
                            mayNotBeExported();
                            if(modifiers != TypeScript.Modifiers.None) {
                                this.reportParseError("'with' statement does not take modifiers");
                            }
                            minChar = this.scanner.startPos;
                            this.chkNxtTok(TypeScript.TokenID.LParen, "Expected '('", errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart | TypeScript.ErrorRecoverySet.Var);
                            var expr = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.Colon, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes);
                            this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly);
                            var withStmt = new TypeScript.WithStatement(expr);
                            withStmt.body = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
                            withStmt.minChar = minChar;
                            withStmt.limChar = withStmt.body.limChar;
                            ast = withStmt;
                        }
                        break;

                    }
                    case TypeScript.TokenID.SWITCH: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("'switch' statement does not take modifiers");
                        }
                        this.chkNxtTok(TypeScript.TokenID.LParen, "Expected '('", errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart);
                        var switchStmt = new TypeScript.SwitchStatement(this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes));
                        this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly);
                        var caseListMinChar = this.scanner.startPos;
                        this.chkCurTok(TypeScript.TokenID.LCurly, "Expected '{'", errorRecoverySet | TypeScript.ErrorRecoverySet.SCase);
                        switchStmt.defaultCase = null;
                        switchStmt.caseList = new TypeScript.ASTList();
                        var caseStmt = null;
                        this.pushStmt(switchStmt, labelList);
                        for(; ; ) {
                            if((this.tok.tokenId == TypeScript.TokenID.CASE) || (this.tok.tokenId == TypeScript.TokenID.DEFAULT)) {
                                var isDefault = (this.tok.tokenId == TypeScript.TokenID.DEFAULT);
                                caseStmt = new TypeScript.CaseStatement();
                                caseStmt.minChar = this.scanner.startPos;
                                this.tok = this.scanner.scan();
                                if(isDefault) {
                                    switchStmt.defaultCase = caseStmt;
                                } else {
                                    caseStmt.expr = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.Colon, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes);
                                }
                                this.chkCurTok(TypeScript.TokenID.Colon, "Expected ':'", errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
                                caseStmt.body = new TypeScript.ASTList();
                                this.parseStmtList(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, caseStmt.body, false, true, allowedElements, modifiers);
                                caseStmt.limChar = caseStmt.body.limChar;
                                switchStmt.caseList.append(caseStmt);
                            } else {
                                break;
                            }
                        }
                        switchStmt.caseList.minChar = caseListMinChar;
                        switchStmt.caseList.limChar = this.scanner.pos;
                        switchStmt.limChar = switchStmt.caseList.limChar;
                        this.chkCurTok(TypeScript.TokenID.RCurly, "Expected '}'", errorRecoverySet);
                        this.popStmt();
                        ast = switchStmt;
                        break;
                    }

                    case TypeScript.TokenID.WHILE: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("'while' statement does not take modifiers");
                        }
                        minChar = this.scanner.startPos;
                        this.chkNxtTok(TypeScript.TokenID.LParen, "Expected '('", TypeScript.ErrorRecoverySet.ExprStart | errorRecoverySet);
                        var whileStmt = new TypeScript.WhileStatement(this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes));
                        whileStmt.minChar = minChar;
                        this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
                        this.pushStmt(whileStmt, labelList);
                        whileStmt.body = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
                        whileStmt.limChar = whileStmt.body.limChar;
                        this.popStmt();
                        ast = whileStmt;
                        break;
                    }

                    case TypeScript.TokenID.DO: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("'do' statement does not take modifiers");
                        }
                        minChar = this.scanner.startPos;
                        this.tok = this.scanner.scan();
                        var doStmt = new TypeScript.DoWhileStatement();
                        doStmt.minChar = minChar;
                        this.pushStmt(doStmt, labelList);
                        doStmt.body = this.parseStatement(errorRecoverySet | TypeScript.ErrorRecoverySet.While, allowedElements, parentModifiers);
                        this.popStmt();
                        doStmt.whileAST = new TypeScript.Identifier("while");
                        doStmt.whileAST.minChar = this.scanner.startPos;
                        this.chkCurTok(TypeScript.TokenID.WHILE, "Expected 'while'", errorRecoverySet | TypeScript.ErrorRecoverySet.LParen);
                        doStmt.whileAST.limChar = doStmt.whileAST.minChar + 5;
                        this.chkCurTok(TypeScript.TokenID.LParen, "Expected '('", errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart);
                        doStmt.cond = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes);
                        doStmt.limChar = this.scanner.pos;
                        this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", errorRecoverySet);
                        ast = doStmt;
                        if(this.tok.tokenId == TypeScript.TokenID.SColon) {
                            this.tok = this.scanner.scan();
                        }
                        break;
                    }

                    case TypeScript.TokenID.IF: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("if statement does not take modifiers");
                        }
                        minChar = this.scanner.startPos;
                        this.chkNxtTok(TypeScript.TokenID.LParen, "Expected '('", errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart);
                        var ifStmt = new TypeScript.IfStatement(this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.LParen, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes));
                        ifStmt.minChar = minChar;
                        this.chkCurTok(TypeScript.TokenID.RParen, "Expected ')'", errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
                        this.pushStmt(ifStmt, labelList);
                        ifStmt.thenBod = this.parseStatement(TypeScript.ErrorRecoverySet.Else | errorRecoverySet, allowedElements, parentModifiers);
                        ifStmt.limChar = ifStmt.thenBod.limChar;
                        if(this.tok.tokenId == TypeScript.TokenID.ELSE) {
                            this.tok = this.scanner.scan();
                            ifStmt.elseBod = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
                            ifStmt.limChar = ifStmt.elseBod.limChar;
                        }
                        this.popStmt();
                        ast = ifStmt;
                        break;
                    }

                    case TypeScript.TokenID.TRY: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("try statement does not take modifiers");
                        }
                        minChar = this.scanner.startPos;
                        ast = this.parseTryCatchFinally(errorRecoverySet, TypeScript.AllowedElements.FunctionBody, parentModifiers, labelList);
                        break;
                    }

                    case TypeScript.TokenID.LCurly: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("block does not take modifiers");
                        }
                        minChar = this.scanner.startPos;
                        this.tok = this.scanner.scan();
                        var block = new TypeScript.Block(new TypeScript.ASTList(), true);
                        this.pushStmt(block, labelList);
                        this.parseStmtList(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, block.stmts, false, false, TypeScript.AllowedElements.Block, modifiers);
                        this.popStmt();
                        block.stmts.minChar = minChar;
                        block.stmts.limChar = this.scanner.pos;
                        block.minChar = block.stmts.minChar;
                        block.limChar = block.stmts.limChar;
                        this.chkCurTok(TypeScript.TokenID.RCurly, "Expected '}'", errorRecoverySet);
                        ast = block;
                        break;
                    }

                    case TypeScript.TokenID.SColon: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("modifier can not appear here");
                        }
                        ast = new TypeScript.AST(TypeScript.NodeType.Empty);
                        this.tok = this.scanner.scan();
                        break;

                    }
                    case TypeScript.TokenID.BREAK:
                    case TypeScript.TokenID.CONTINUE: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("modifiers can not appear before jump statement");
                        }
                        var jump = new TypeScript.Jump((this.tok.tokenId == TypeScript.TokenID.BREAK) ? TypeScript.NodeType.Break : TypeScript.NodeType.Continue);
                        this.tok = this.scanner.scan();
                        if((this.tok.tokenId == TypeScript.TokenID.ID) && (!this.scanner.lastTokenHadNewline())) {
                            jump.target = this.tok.getText();
                            this.tok = this.scanner.scan();
                        }
                        this.resolveJumpTarget(jump);
                        ast = jump;
                        needTerminator = true;
                        break;
                    }

                    case TypeScript.TokenID.RETURN: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("modifiers can not appear before return statement");
                        }
                        if(!this.inFnc) {
                            this.reportParseError("return statement outside of function body");
                        }
                        minChar = this.scanner.startPos;
                        this.tok = this.scanner.scan();
                        var retStmt = new TypeScript.ReturnStatement();
                        retStmt.minChar = minChar;
                        if((this.tok.tokenId != TypeScript.TokenID.SColon) && (this.tok.tokenId != TypeScript.TokenID.RCurly) && (!(this.scanner.lastTokenHadNewline()))) {
                            retStmt.returnExpression = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes);
                        }
                        needTerminator = true;
                        retStmt.limChar = this.scanner.lastTokenLimChar();
                        ast = retStmt;
                        break;
                    }

                    case TypeScript.TokenID.THROW: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("modifiers can not appear before a throw statement");
                        }
                        minChar = this.scanner.startPos;
                        this.tok = this.scanner.scan();
                        if((this.tok.tokenId != TypeScript.TokenID.SColon) && (this.tok.tokenId != TypeScript.TokenID.RCurly) && (!(this.scanner.lastTokenHadNewline()))) {
                            temp = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes);
                        } else {
                            this.reportParseError("throw with no target");
                            temp = null;
                        }
                        ast = new TypeScript.UnaryExpression(TypeScript.NodeType.Throw, temp);
                        ast.limChar = this.scanner.lastTokenLimChar();
                        needTerminator = true;
                        break;

                    }
                    case TypeScript.TokenID.ENUM: {
                        this.tok = this.scanner.scan();
                        ast = this.parseEnumDecl(errorRecoverySet, modifiers);
                        ast.minChar = minChar;
                        ast.limChar = this.scanner.lastTokenLimChar();
                        if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                            (ast).modFlags |= TypeScript.ModuleFlags.Ambient;
                        }
                        if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                            (ast).modFlags |= TypeScript.ModuleFlags.Exported;
                        }
                        break;

                    }
                    case TypeScript.TokenID.DEBUGGER: {
                        mayNotBeExported();
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("modifiers can not appear before debugger statement");
                        }
                        minChar = this.scanner.startPos;
                        this.tok = this.scanner.scan();
                        var debuggerStmt = new TypeScript.DebuggerStatement();
                        debuggerStmt.minChar = minChar;
                        needTerminator = true;
                        debuggerStmt.limChar = this.scanner.lastTokenLimChar();
                        ast = debuggerStmt;
                        break;

                    }
                    default: {
                        if(modifiers != TypeScript.Modifiers.None) {
                            this.reportParseError("modifiers can not appear before an expression statement or label");
                        }
                        minChar = this.scanner.startPos;
                        var svPos = this.scanner.pos;
                        temp = this.parseExpr(TypeScript.ErrorRecoverySet.Colon | TypeScript.ErrorRecoverySet.StmtStart | errorRecoverySet, TypeScript.OperatorPrecedence.No, true, TypeContext.NoTypes);
                        if(this.scanner.pos == svPos) {
                            this.tok = this.scanner.scan();
                            ast = temp;
                        } else {
                            if((this.tok.tokenId == TypeScript.TokenID.Colon) && (!this.scanner.lastTokenHadNewline()) && temp && (temp.nodeType == TypeScript.NodeType.Name)) {
                                if(labelList == null) {
                                    labelList = new TypeScript.ASTList();
                                }
                                labelList.append(new TypeScript.Label(temp));
                                this.tok = this.scanner.scan();
                            } else {
                                ast = temp;
                                needTerminator = true;
                            }
                        }

                    }
                }
                if(ast) {
                    break;
                }
            }
            if(needTerminator) {
                switch(this.tok.tokenId) {
                    case TypeScript.TokenID.SColon: {
                        this.tok = this.scanner.scan();
                        ast.flags |= TypeScript.ASTFlags.ExplicitSemicolon;
                        break;

                    }
                    case TypeScript.TokenID.EOF:
                    case TypeScript.TokenID.RCurly: {
                        ast.flags |= TypeScript.ASTFlags.AutomaticSemicolon;
                        if(this.style_requireSemi) {
                            this.reportParseStyleError("no automatic semicolon");
                        }
                        break;

                    }
                    default: {
                        if(!this.scanner.lastTokenHadNewline()) {
                            this.reportParseError("Expected ';'");
                        } else {
                            ast.flags |= TypeScript.ASTFlags.AutomaticSemicolon;
                            if(this.style_requireSemi) {
                                this.reportParseStyleError("no automatic semicolon");
                            }
                        }
                        break;

                    }
                }
            }
            if(labelList) {
                ast = new TypeScript.LabeledStatement(labelList, ast);
            }
            ast.minChar = minChar;
            ast.limChar = TypeScript.max(ast.limChar, this.scanner.lastTokenLimChar());
            ast.preComments = preComments;
            if(this.ambientModule && (!this.okAmbientModuleMember(ast))) {
                this.reportParseError("statement not permitted within ambient module");
            }
            ast.flags |= TypeScript.ASTFlags.IsStatement;
            return ast;
        };
        Parser.prototype.okAmbientModuleMember = function (ast) {
            var nt = ast.nodeType;
            return (nt == TypeScript.NodeType.Class) || (nt == TypeScript.NodeType.Import) || (nt == TypeScript.NodeType.Interface) || (nt == TypeScript.NodeType.Module) || (nt == TypeScript.NodeType.Empty) || ((nt == TypeScript.NodeType.VarDecl) && (TypeScript.hasFlag((ast).varFlags, TypeScript.VarFlags.Property) || TypeScript.hasFlag((ast).varFlags, TypeScript.VarFlags.Exported))) || ((nt == TypeScript.NodeType.FuncDecl) && ((ast).isMethod()));
        };
        Parser.prototype.parseStmtList = function (errorRecoverySet, stmts, sourceElms, noLeadingCase, allowedElements, parentModifiers) {
            var directivePrologue = sourceElms;
            stmts.minChar = this.scanner.startPos;
            var limChar = this.scanner.pos;
            var innerStmts = (allowedElements & TypeScript.AllowedElements.ModuleDecls) == TypeScript.AllowedElements.None;
            var classNope = (allowedElements & TypeScript.AllowedElements.ClassDecls) == TypeScript.AllowedElements.None;
            errorRecoverySet |= TypeScript.ErrorRecoverySet.TypeScriptS | TypeScript.ErrorRecoverySet.RCurly;
            this.state = ParseState.StartStmtList;
            var oldStrictMode = this.strictMode;
            this.nestingLevel++;
            for(; ; ) {
                if((this.tok.tokenId == TypeScript.TokenID.RCurly) || (noLeadingCase && ((this.tok.tokenId == TypeScript.TokenID.CASE) || (this.tok.tokenId == TypeScript.TokenID.DEFAULT))) || (innerStmts && (this.tok.tokenId == TypeScript.TokenID.EXPORT)) || (classNope && (this.tok.tokenId == TypeScript.TokenID.CLASS)) || (this.tok.tokenId == TypeScript.TokenID.EOF)) {
                    this.state = ParseState.EndStmtList;
                    stmts.limChar = limChar;
                    if(stmts.members.length == 0) {
                        stmts.preComments = this.parseComments();
                    } else {
                        stmts.postComments = this.parseComments();
                    }
                    this.strictMode = oldStrictMode;
                    this.nestingLevel--;
                    return;
                }
                var stmt = this.parseStatement(errorRecoverySet & (~(TypeScript.ErrorRecoverySet.Else | TypeScript.ErrorRecoverySet.RParen | TypeScript.ErrorRecoverySet.Catch | TypeScript.ErrorRecoverySet.Colon)), allowedElements, parentModifiers);
                if(stmt) {
                    stmt.postComments = this.combineComments(stmt.postComments, this.parseCommentsForLine(this.scanner.prevLine));
                    stmts.append(stmt);
                    limChar = stmt.limChar;
                    if(directivePrologue) {
                        if(stmt.nodeType == TypeScript.NodeType.QString) {
                            var qstring = stmt;
                            if(qstring.text == "use strict") {
                                stmts.flags |= TypeScript.ASTFlags.StrictMode;
                                this.strictMode = true;
                            } else {
                                directivePrologue = false;
                            }
                        } else {
                            directivePrologue = false;
                        }
                    }
                }
            }
        };
        Parser.prototype.quickParse = function (sourceText, filename, unitIndex) {
            var svGenTarget = TypeScript.moduleGenTarget;
            try  {
                TypeScript.moduleGenTarget = TypeScript.ModuleGenTarget.Local;
                var script = this.parse(sourceText, filename, unitIndex, TypeScript.AllowedElements.QuickParse);
                return new QuickParseResult(script, this.scanner.lexState);
            }finally {
                TypeScript.moduleGenTarget = svGenTarget;
            }
        };
        Parser.prototype.parse = function (sourceText, filename, unitIndex, allowedElements) {
            if (typeof allowedElements === "undefined") { allowedElements = TypeScript.AllowedElements.Global; }
            this.ambientModule = false;
            this.topLevel = true;
            this.parseError = false;
            this.hasTopLevelImportOrExport = false;
            this.fname = filename;
            this.currentUnitIndex = unitIndex;
            this.amdDependencies = [];
            this.scanner.resetComments();
            this.scanner.setSourceText(sourceText, TypeScript.LexMode.File);
            var leftCurlyCount = this.scanner.leftCurlyCount;
            var rightCurlyCount = this.scanner.rightCurlyCount;
            var minChar = this.scanner.pos;
            this.tok = this.scanner.scan();
            this.pushDeclLists();
            var bod = new TypeScript.ASTList();
            bod.minChar = minChar;
            this.state = ParseState.StartScript;
            this.parsingDeclareFile = TypeScript.isDSTRFile(filename) || TypeScript.isDTSFile(filename);
            this.parseStmtList(TypeScript.ErrorRecoverySet.EOF | TypeScript.ErrorRecoverySet.Func, bod, true, false, allowedElements, TypeScript.Modifiers.None);
            if(this.tok.tokenId != TypeScript.TokenID.EOF) {
                var badToken = TypeScript.tokenTable[this.tok.tokenId];
                this.reportParseError("Unexpected statement block terminator '" + badToken.text + "'");
            }
            this.state = ParseState.EndScript;
            bod.limChar = this.scanner.pos;
            var topLevelMod = null;
            if(TypeScript.moduleGenTarget != TypeScript.ModuleGenTarget.Local && this.hasTopLevelImportOrExport) {
                var correctedFileName = TypeScript.switchToForwardSlashes(filename);
                var id = new TypeScript.Identifier(correctedFileName);
                topLevelMod = new TypeScript.ModuleDecl(id, bod, this.topVarList(), this.topScopeList());
                topLevelMod.modFlags |= TypeScript.ModuleFlags.IsDynamic;
                topLevelMod.modFlags |= TypeScript.ModuleFlags.IsWholeFile;
                topLevelMod.modFlags |= TypeScript.ModuleFlags.Exported;
                if(this.parsingDeclareFile) {
                    topLevelMod.modFlags |= TypeScript.ModuleFlags.Ambient;
                }
                topLevelMod.minChar = minChar;
                topLevelMod.limChar = this.scanner.pos;
                topLevelMod.prettyName = TypeScript.getPrettyName(correctedFileName);
                topLevelMod.amdDependencies = this.amdDependencies;
                bod = new TypeScript.ASTList();
                bod.minChar = topLevelMod.minChar;
                bod.limChar = topLevelMod.limChar;
                bod.append(topLevelMod);
            }
            var script = new TypeScript.Script(this.topVarList(), this.topScopeList());
            script.bod = bod;
            this.popDeclLists();
            script.minChar = minChar;
            script.limChar = this.scanner.pos;
            script.locationInfo = new TypeScript.LocationInfo(filename, this.scanner.lineMap, unitIndex);
            script.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
            script.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
            script.isDeclareFile = this.parsingDeclareFile;
            script.topLevelMod = topLevelMod;
            return script;
        };
        return Parser;
    })();
    TypeScript.Parser = Parser;    
    function quickParse(logger, scopeStartAST, sourceText, minChar, limChar, errorCapture) {
        var fragment = sourceText.getText(minChar, limChar);
        logger.log("Quick parse range (" + minChar + "," + limChar + "): \"" + TypeScript.stringToLiteral(fragment, 100) + "\"");
        var quickParser = new Parser();
        quickParser.setErrorRecovery(null, -1, -1);
        quickParser.errorCallback = errorCapture;
        var quickClassDecl = new TypeScript.TypeDecl(TypeScript.NodeType.Class, null, null, null, null, null);
        quickParser.currentClassDecl = quickClassDecl;
        var result = quickParser.quickParse(new TypeScript.StringSourceText(fragment), "", 0);
        return result;
    }
    TypeScript.quickParse = quickParse;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var PrintContext = (function () {
        function PrintContext(outfile, parser) {
            this.outfile = outfile;
            this.parser = parser;
            this.builder = "";
            this.indent1 = "  ";
            this.indentStrings = [];
            this.indentAmt = 0;
        }
        PrintContext.prototype.increaseIndent = function () {
            this.indentAmt++;
        };
        PrintContext.prototype.decreaseIndent = function () {
            this.indentAmt--;
        };
        PrintContext.prototype.startLine = function () {
            if(this.builder.length > 0) {
                TypeScript.CompilerDiagnostics.Alert(this.builder);
            }
            var indentString = this.indentStrings[this.indentAmt];
            if(indentString === undefined) {
                indentString = "";
                for(var i = 0; i < this.indentAmt; i++) {
                    indentString += this.indent1;
                }
                this.indentStrings[this.indentAmt] = indentString;
            }
            this.builder += indentString;
        };
        PrintContext.prototype.write = function (s) {
            this.builder += s;
        };
        PrintContext.prototype.writeLine = function (s) {
            this.builder += s;
            this.outfile.WriteLine(this.builder);
            this.builder = "";
        };
        return PrintContext;
    })();
    TypeScript.PrintContext = PrintContext;    
    function prePrintAST(ast, parent, walker) {
        var pc = walker.state;
        ast.print(pc);
        pc.increaseIndent();
        return ast;
    }
    TypeScript.prePrintAST = prePrintAST;
    function postPrintAST(ast, parent, walker) {
        var pc = walker.state;
        pc.decreaseIndent();
        return ast;
    }
    TypeScript.postPrintAST = postPrintAST;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    TypeScript.LexEOF = (-1);
    TypeScript.LexCodeNWL = 10;
    TypeScript.LexCodeRET = 13;
    TypeScript.LexCodeTAB = 9;
    TypeScript.LexCodeVTAB = 11;
    TypeScript.LexCode_e = 'e'.charCodeAt(0);
    TypeScript.LexCode_E = 'E'.charCodeAt(0);
    TypeScript.LexCode_x = 'x'.charCodeAt(0);
    TypeScript.LexCode_X = 'X'.charCodeAt(0);
    TypeScript.LexCode_a = 'a'.charCodeAt(0);
    TypeScript.LexCode_A = 'A'.charCodeAt(0);
    TypeScript.LexCode_f = 'f'.charCodeAt(0);
    TypeScript.LexCode_F = 'F'.charCodeAt(0);
    TypeScript.LexCode_g = 'g'.charCodeAt(0);
    TypeScript.LexCode_m = 'm'.charCodeAt(0);
    TypeScript.LexCode_i = 'i'.charCodeAt(0);
    TypeScript.LexCode_0 = '0'.charCodeAt(0);
    TypeScript.LexCode_9 = '9'.charCodeAt(0);
    TypeScript.LexCode_8 = '8'.charCodeAt(0);
    TypeScript.LexCode_7 = '7'.charCodeAt(0);
    TypeScript.LexCodeBSL = '\\'.charCodeAt(0);
    TypeScript.LexCodeSHP = '#'.charCodeAt(0);
    TypeScript.LexCodeBNG = '!'.charCodeAt(0);
    TypeScript.LexCodeQUO = '"'.charCodeAt(0);
    TypeScript.LexCodeAPO = '\''.charCodeAt(0);
    TypeScript.LexCodePCT = '%'.charCodeAt(0);
    TypeScript.LexCodeAMP = '&'.charCodeAt(0);
    TypeScript.LexCodeLPR = '('.charCodeAt(0);
    TypeScript.LexCodeRPR = ')'.charCodeAt(0);
    TypeScript.LexCodePLS = '+'.charCodeAt(0);
    TypeScript.LexCodeMIN = '-'.charCodeAt(0);
    TypeScript.LexCodeMUL = '*'.charCodeAt(0);
    TypeScript.LexCodeSLH = '/'.charCodeAt(0);
    TypeScript.LexCodeXOR = '^'.charCodeAt(0);
    TypeScript.LexCodeCMA = ','.charCodeAt(0);
    TypeScript.LexCodeDOT = '.'.charCodeAt(0);
    TypeScript.LexCodeLT = '<'.charCodeAt(0);
    TypeScript.LexCodeEQ = '='.charCodeAt(0);
    TypeScript.LexCodeGT = '>'.charCodeAt(0);
    TypeScript.LexCodeQUE = '?'.charCodeAt(0);
    TypeScript.LexCodeLBR = '['.charCodeAt(0);
    TypeScript.LexCodeRBR = ']'.charCodeAt(0);
    TypeScript.LexCodeUSC = '_'.charCodeAt(0);
    TypeScript.LexCodeLC = '{'.charCodeAt(0);
    TypeScript.LexCodeRC = '}'.charCodeAt(0);
    TypeScript.LexCodeBAR = '|'.charCodeAt(0);
    TypeScript.LexCodeTIL = '~'.charCodeAt(0);
    TypeScript.LexCodeCOL = ':'.charCodeAt(0);
    TypeScript.LexCodeSMC = ';'.charCodeAt(0);
    TypeScript.LexCodeUnderscore = '_'.charCodeAt(0);
    TypeScript.LexCodeDollar = '$'.charCodeAt(0);
    TypeScript.LexCodeSpace = 32;
    TypeScript.LexKeywordTable = undefined;
    var autoToken = new Array(128);
    var lexIdStartTable = new Array(128);
    function LexInitialize() {
        TypeScript.initializeStaticTokens();
        autoToken[TypeScript.LexCodeLPR] = TypeScript.staticTokens[TypeScript.TokenID.LParen];
        autoToken[TypeScript.LexCodeRPR] = TypeScript.staticTokens[TypeScript.TokenID.RParen];
        autoToken[TypeScript.LexCodeCMA] = TypeScript.staticTokens[TypeScript.TokenID.Comma];
        autoToken[TypeScript.LexCodeSMC] = TypeScript.staticTokens[TypeScript.TokenID.SColon];
        autoToken[TypeScript.LexCodeLBR] = TypeScript.staticTokens[TypeScript.TokenID.LBrack];
        autoToken[TypeScript.LexCodeRBR] = TypeScript.staticTokens[TypeScript.TokenID.RBrack];
        autoToken[TypeScript.LexCodeTIL] = TypeScript.staticTokens[TypeScript.TokenID.Tilde];
        autoToken[TypeScript.LexCodeQUE] = TypeScript.staticTokens[TypeScript.TokenID.QMark];
        autoToken[TypeScript.LexCodeLC] = TypeScript.staticTokens[TypeScript.TokenID.LCurly];
        autoToken[TypeScript.LexCodeRC] = TypeScript.staticTokens[TypeScript.TokenID.RCurly];
        autoToken[TypeScript.LexCodeCOL] = TypeScript.staticTokens[TypeScript.TokenID.Colon];
        TypeScript.LexKeywordTable = new TypeScript.StringHashTable();
        for(var i in (TypeScript.TokenID)._map) {
            if((i) <= TypeScript.TokenID.LimKeyword) {
                TypeScript.LexKeywordTable.add((TypeScript.TokenID)._map[i].toLowerCase(), i);
            }
        }
        for(var j = 0; j < 128; j++) {
            if(LexIsIdentifierStartChar(j)) {
                lexIdStartTable[j] = true;
            } else {
                lexIdStartTable[j] = false;
            }
        }
    }
    TypeScript.LexInitialize = LexInitialize;
    function LexAdjustIndent(code, indentAmt) {
        if((code == TypeScript.LexCodeLBR) || (code == TypeScript.LexCodeLC) || (code == TypeScript.LexCodeLPR)) {
            return indentAmt + 1;
        } else {
            if((code == TypeScript.LexCodeRBR) || (code == TypeScript.LexCodeRC) || (code == TypeScript.LexCodeRPR)) {
                return indentAmt - 1;
            } else {
                return indentAmt;
            }
        }
    }
    TypeScript.LexAdjustIndent = LexAdjustIndent;
    function LexIsIdentifierStartChar(code) {
        return (((code >= 97) && (code <= 122)) || ((code >= 65) && (code <= 90)) || (code == TypeScript.LexCodeDollar) || (code == TypeScript.LexCodeUnderscore));
    }
    TypeScript.LexIsIdentifierStartChar = LexIsIdentifierStartChar;
    function LexIsDigit(code) {
        return ((code >= 48) && (code <= 57));
    }
    TypeScript.LexIsDigit = LexIsDigit;
    function LexIsIdentifierChar(code) {
        return lexIdStartTable[code] || LexIsDigit(code);
    }
    TypeScript.LexIsIdentifierChar = LexIsIdentifierChar;
    function LexMatchingOpen(code) {
        if(code == TypeScript.LexCodeRBR) {
            return TypeScript.LexCodeLBR;
        } else {
            if(code == TypeScript.LexCodeRC) {
                return TypeScript.LexCodeLC;
            } else {
                if(code == TypeScript.LexCodeRPR) {
                    return TypeScript.LexCodeLPR;
                } else {
                    return 0;
                }
            }
        }
    }
    TypeScript.LexMatchingOpen = LexMatchingOpen;
    (function (NumberScanState) {
        NumberScanState._map = [];
        NumberScanState._map[0] = "Start";
        NumberScanState.Start = 0;
        NumberScanState._map[1] = "InFraction";
        NumberScanState.InFraction = 1;
        NumberScanState._map[2] = "InExponent";
        NumberScanState.InExponent = 2;
    })(TypeScript.NumberScanState || (TypeScript.NumberScanState = {}));
    var NumberScanState = TypeScript.NumberScanState;

    (function (LexState) {
        LexState._map = [];
        LexState._map[0] = "Start";
        LexState.Start = 0;
        LexState._map[1] = "InMultilineComment";
        LexState.InMultilineComment = 1;
    })(TypeScript.LexState || (TypeScript.LexState = {}));
    var LexState = TypeScript.LexState;

    (function (LexMode) {
        LexMode._map = [];
        LexMode._map[0] = "Line";
        LexMode.Line = 0;
        LexMode._map[1] = "File";
        LexMode.File = 1;
    })(TypeScript.LexMode || (TypeScript.LexMode = {}));
    var LexMode = TypeScript.LexMode;

    (function (CommentStyle) {
        CommentStyle._map = [];
        CommentStyle._map[0] = "Line";
        CommentStyle.Line = 0;
        CommentStyle._map[1] = "Block";
        CommentStyle.Block = 1;
    })(TypeScript.CommentStyle || (TypeScript.CommentStyle = {}));
    var CommentStyle = TypeScript.CommentStyle;

    var StringSourceText = (function () {
        function StringSourceText(text) {
            this.text = text;
        }
        StringSourceText.prototype.getText = function (start, end) {
            return this.text.substring(start, end);
        };
        StringSourceText.prototype.getLength = function () {
            return this.text.length;
        };
        return StringSourceText;
    })();
    TypeScript.StringSourceText = StringSourceText;    
    var SourceTextSegment = (function () {
        function SourceTextSegment(segmentStart, segmentEnd, segment) {
            this.segmentStart = segmentStart;
            this.segmentEnd = segmentEnd;
            this.segment = segment;
        }
        SourceTextSegment.prototype.charCodeAt = function (index) {
            return this.segment.charCodeAt(index - this.segmentStart);
        };
        SourceTextSegment.prototype.substring = function (start, end) {
            return this.segment.substring(start - this.segmentStart, end - this.segmentStart);
        };
        return SourceTextSegment;
    })();
    TypeScript.SourceTextSegment = SourceTextSegment;    
    var AggerateSourceTextSegment = (function () {
        function AggerateSourceTextSegment(seg1, seg2) {
            this.seg1 = seg1;
            this.seg2 = seg2;
        }
        AggerateSourceTextSegment.prototype.charCodeAt = function (index) {
            if(this.seg1.segmentStart <= index && index < this.seg1.segmentEnd) {
                return this.seg1.segment.charCodeAt(index - this.seg1.segmentStart);
            }
            return this.seg2.segment.charCodeAt(index - this.seg2.segmentStart);
        };
        AggerateSourceTextSegment.prototype.substring = function (start, end) {
            if(this.seg1.segmentStart <= start && end <= this.seg1.segmentEnd) {
                return this.seg1.segment.substring(start - this.seg1.segmentStart, end - this.seg1.segmentStart);
            }
            return this.seg2.segment.substring(start - this.seg2.segmentStart) + this.seg1.segment.substring(0, end - this.seg1.segmentStart);
        };
        return AggerateSourceTextSegment;
    })();
    TypeScript.AggerateSourceTextSegment = AggerateSourceTextSegment;    
    var ScannerTextStream = (function () {
        function ScannerTextStream(sourceText) {
            this.sourceText = sourceText;
            this.agg = new AggerateSourceTextSegment(ScannerTextStream.emptySegment, ScannerTextStream.emptySegment);
            this.len = this.sourceText.getLength();
        }
        ScannerTextStream.emptySegment = new SourceTextSegment(0, 0, "");
        ScannerTextStream.prototype.max = function (a, b) {
            return a >= b ? a : b;
        };
        ScannerTextStream.prototype.min = function (a, b) {
            return a <= b ? a : b;
        };
        ScannerTextStream.prototype.fetchSegment = function (start, end) {
            if(this.agg.seg1.segmentStart <= start && end <= this.agg.seg1.segmentEnd) {
                return this.agg.seg1;
            }
            if(this.agg.seg2.segmentStart <= start && end <= this.agg.seg1.segmentEnd) {
                return this.agg;
            }
            var prev = this.agg.seg1;
            var s = prev.segmentEnd;
            var e = TypeScript.max(s + 512, end);
            e = TypeScript.min(e, this.len);
            var src = this.sourceText.getText(s, e);
            var newSeg = new SourceTextSegment(s, e, src);
            this.agg.seg2 = prev;
            this.agg.seg1 = newSeg;
            return this.agg;
        };
        ScannerTextStream.prototype.charCodeAt = function (index) {
            return this.fetchSegment(index, index + 1).charCodeAt(index);
        };
        ScannerTextStream.prototype.substring = function (start, end) {
            return this.fetchSegment(start, end).substring(start, end);
        };
        return ScannerTextStream;
    })();
    TypeScript.ScannerTextStream = ScannerTextStream;    
    var SavedTokens = (function () {
        function SavedTokens() {
            this.prevToken = null;
            this.curSavedToken = null;
            this.prevSavedToken = null;
            this.prevToken = null;
            this.currentToken = 0;
            this.tokens = new Array();
            this.prevLine = 1;
            this.line = 1;
            this.col = 0;
            this.lexState = LexState.Start;
            this.commentStack = new Array();
        }
        SavedTokens.prototype.previousToken = function () {
            return this.prevToken;
        };
        SavedTokens.prototype.close = function () {
            this.currentToken = 0;
        };
        SavedTokens.prototype.addToken = function (tok, scanner) {
            this.tokens[this.currentToken++] = new TypeScript.SavedToken(tok, scanner.startPos, scanner.pos);
        };
        SavedTokens.prototype.scan = function () {
            this.startLine = this.line;
            this.startPos = this.col;
            if(this.currentTokenIndex == this.currentTokens.length) {
                if(this.line < this.lineMap.length) {
                    this.line++;
                    this.col = 0;
                    this.currentTokenIndex = 0;
                    this.currentTokens = this.tokensByLine[this.line];
                } else {
                    return TypeScript.staticTokens[TypeScript.TokenID.EOF];
                }
            }
            if(this.currentTokenIndex < this.currentTokens.length) {
                this.prevToken = this.curSavedToken.tok;
                this.prevSavedToken = this.curSavedToken;
                this.curSavedToken = this.currentTokens[this.currentTokenIndex++];
                var curToken = this.curSavedToken.tok;
                this.pos = this.curSavedToken.limChar;
                this.col += (this.curSavedToken.limChar - this.curSavedToken.minChar);
                this.startPos = this.curSavedToken.minChar;
                this.prevLine = this.line;
                return curToken;
            } else {
                return TypeScript.staticTokens[TypeScript.TokenID.EOF];
            }
        };
        SavedTokens.prototype.syncToTok = function (offset) {
            this.line = getLineNumberFromPosition(this.lineMap, offset);
            this.currentTokenIndex = 0;
            var tmpCol = offset - this.lineMap[this.line];
            while((this.lexStateByLine[this.line] == LexState.InMultilineComment) && (this.line > 0)) {
                this.line--;
                tmpCol = 0;
            }
            var lenMin1 = this.lineMap.length - 1;
            this.currentTokens = this.tokensByLine[this.line];
            while((this.currentTokens.length == 0) && (this.line < lenMin1)) {
                this.line++;
                this.currentTokens = this.tokensByLine[this.line];
                tmpCol = 0;
            }
            if(this.line <= lenMin1) {
                while((this.currentTokenIndex < this.currentTokens.length) && (tmpCol > this.currentTokens[this.currentTokenIndex].limChar)) {
                    this.currentTokenIndex++;
                }
                if(this.currentTokenIndex < this.currentTokens.length) {
                    this.col = this.currentTokens[this.currentTokenIndex].minChar;
                    return this.col + this.lineMap[this.line];
                }
            }
            return -1;
        };
        SavedTokens.prototype.lastTokenLimChar = function () {
            if(this.prevSavedToken !== null) {
                return this.prevSavedToken.limChar;
            } else {
                return 0;
            }
        };
        SavedTokens.prototype.lastTokenHadNewline = function () {
            return this.prevLine != this.startLine;
        };
        SavedTokens.prototype.pushComment = function (comment) {
            this.commentStack.push(comment);
        };
        SavedTokens.prototype.getComments = function () {
            var stack = this.commentStack;
            this.commentStack = [];
            return stack;
        };
        SavedTokens.prototype.getCommentsForLine = function (line) {
            var comments = null;
            while((this.commentStack.length > 0) && (this.commentStack[0].line == line)) {
                if(comments == null) {
                    comments = [
                        this.commentStack.shift()
                    ];
                } else {
                    comments = comments.concat([
                        this.commentStack.shift()
                    ]);
                }
            }
            return comments;
        };
        SavedTokens.prototype.resetComments = function () {
            this.commentStack = [];
        };
        SavedTokens.prototype.setSourceText = function (newSrc, textMode) {
        };
        return SavedTokens;
    })();
    TypeScript.SavedTokens = SavedTokens;    
    var Scanner = (function () {
        function Scanner() {
            this.prevLine = 1;
            this.line = 1;
            this.col = 0;
            this.pos = 0;
            this.startPos = 0;
            this.len = 0;
            this.lineMap = [];
            this.ch = TypeScript.LexEOF;
            this.lexState = LexState.Start;
            this.mode = LexMode.File;
            this.scanComments = true;
            this.interveningWhitespace = false;
            this.interveningWhitespacePos = 0;
            this.leftCurlyCount = 0;
            this.rightCurlyCount = 0;
            this.commentStack = new Array();
            this.saveScan = null;
            this.prevTok = TypeScript.staticTokens[TypeScript.TokenID.EOF];
            this.startCol = this.col;
            this.startLine = this.line;
            this.lineMap[1] = 0;
            if(!TypeScript.LexKeywordTable) {
                LexInitialize();
            }
        }
        Scanner.prototype.previousToken = function () {
            return this.prevTok;
        };
        Scanner.prototype.setSourceText = function (newSrc, textMode) {
            this.mode = textMode;
            this.scanComments = (this.mode === LexMode.Line);
            this.pos = 0;
            this.interveningWhitespacePos = 0;
            this.startPos = 0;
            this.line = 1;
            this.col = 0;
            this.startCol = this.col;
            this.startLine = this.line;
            this.len = 0;
            this.src = newSrc.getText(0, newSrc.getLength());
            this.len = this.src.length;
            this.lineMap = [];
            this.lineMap[1] = 0;
            this.commentStack = [];
            this.leftCurlyCount = 0;
            this.rightCurlyCount = 0;
        };
        Scanner.prototype.setSaveScan = function (savedTokens) {
            this.saveScan = savedTokens;
        };
        Scanner.prototype.setText = function (newSrc, textMode) {
            this.setSourceText(new StringSourceText(newSrc), textMode);
        };
        Scanner.prototype.setScanComments = function (value) {
            this.scanComments = value;
        };
        Scanner.prototype.getLexState = function () {
            return this.lexState;
        };
        Scanner.prototype.scanLine = function (line, initialState) {
            this.lexState = initialState;
            var result = new Array();
            this.setText(line, LexMode.Line);
            var t = this.scan();
            while(t.tokenId != TypeScript.TokenID.EOF) {
                result[result.length] = t;
                t = this.scan();
            }
            return result;
        };
        Scanner.prototype.tokenStart = function () {
            this.startPos = this.pos;
            this.startLine = this.line;
            this.startCol = this.col;
            this.interveningWhitespace = false;
        };
        Scanner.prototype.peekChar = function () {
            if(this.pos < this.len) {
                return this.src.charCodeAt(this.pos);
            } else {
                return TypeScript.LexEOF;
            }
        };
        Scanner.prototype.peekCharAt = function (index) {
            if(index < this.len) {
                return this.src.charCodeAt(index);
            } else {
                return TypeScript.LexEOF;
            }
        };
        Scanner.prototype.IsHexDigit = function (c) {
            return ((c >= TypeScript.LexCode_0) && (c <= TypeScript.LexCode_9)) || ((c >= TypeScript.LexCode_A) && (c <= TypeScript.LexCode_F)) || ((c >= TypeScript.LexCode_a) && (c <= TypeScript.LexCode_f));
        };
        Scanner.prototype.IsOctalDigit = function (c) {
            return ((c >= TypeScript.LexCode_0) && (c <= TypeScript.LexCode_7)) || ((c >= TypeScript.LexCode_a) && (c <= TypeScript.LexCode_f));
        };
        Scanner.prototype.scanHexDigits = function () {
            var atLeastOneDigit = false;
            for(; ; ) {
                if(this.IsHexDigit(this.ch)) {
                    this.nextChar();
                    atLeastOneDigit = true;
                } else {
                    if(atLeastOneDigit) {
                        return new TypeScript.NumberToken(parseInt(this.src.substring(this.startPos, this.pos)));
                    } else {
                        return null;
                    }
                }
            }
        };
        Scanner.prototype.scanOctalDigits = function () {
            var atLeastOneDigit = false;
            for(; ; ) {
                if(this.IsOctalDigit(this.ch)) {
                    this.nextChar();
                    atLeastOneDigit = true;
                } else {
                    if(atLeastOneDigit) {
                        return new TypeScript.NumberToken(parseInt(this.src.substring(this.startPos, this.pos)));
                    } else {
                        return null;
                    }
                }
            }
        };
        Scanner.prototype.scanDecimalNumber = function (state) {
            var atLeastOneDigit = false;
            var svPos = this.pos;
            var svCol = this.col;
            for(; ; ) {
                if(LexIsDigit(this.ch)) {
                    atLeastOneDigit = true;
                    this.nextChar();
                } else {
                    if(this.ch == TypeScript.LexCodeDOT) {
                        if(state == NumberScanState.Start) {
                            this.nextChar();
                            state = NumberScanState.InFraction;
                        } else {
                            if(atLeastOneDigit) {
                                return new TypeScript.NumberToken(parseFloat(this.src.substring(this.startPos, this.pos)));
                            } else {
                                this.pos = svPos;
                                this.col = svCol;
                                return null;
                            }
                        }
                    } else {
                        if((this.ch == TypeScript.LexCode_e) || (this.ch == TypeScript.LexCode_E)) {
                            if(state == NumberScanState.Start) {
                                if(atLeastOneDigit) {
                                    atLeastOneDigit = false;
                                    this.nextChar();
                                    state = NumberScanState.InExponent;
                                } else {
                                    this.pos = svPos;
                                    this.col = svCol;
                                    return null;
                                }
                            } else {
                                if(state == NumberScanState.InFraction) {
                                    this.nextChar();
                                    state = NumberScanState.InExponent;
                                    atLeastOneDigit = false;
                                } else {
                                    if(atLeastOneDigit) {
                                        return new TypeScript.NumberToken(parseFloat(this.src.substring(this.startPos, this.pos)));
                                    } else {
                                        this.pos = svPos;
                                        this.col = svCol;
                                        return null;
                                    }
                                }
                            }
                        } else {
                            if((this.ch == TypeScript.LexCodePLS) || (this.ch == TypeScript.LexCodeMIN)) {
                                if(state == NumberScanState.InExponent) {
                                    if(!atLeastOneDigit) {
                                        this.nextChar();
                                    } else {
                                        this.pos = svPos;
                                        this.col = svCol;
                                        return null;
                                    }
                                } else {
                                    if(state == NumberScanState.InFraction) {
                                        return new TypeScript.NumberToken(parseFloat(this.src.substring(this.startPos, this.pos)));
                                    } else {
                                        if(!atLeastOneDigit) {
                                            this.pos = svPos;
                                            this.col = svCol;
                                            return null;
                                        } else {
                                            return new TypeScript.NumberToken(parseFloat(this.src.substring(this.startPos, this.pos)));
                                        }
                                    }
                                }
                            } else {
                                if(!atLeastOneDigit) {
                                    this.pos = svPos;
                                    this.col = svCol;
                                    return null;
                                } else {
                                    return new TypeScript.NumberToken(parseFloat(this.src.substring(this.startPos, this.pos)));
                                }
                            }
                        }
                    }
                }
            }
        };
        Scanner.prototype.scanNumber = function () {
            if(this.peekChar() == TypeScript.LexCode_0) {
                switch(this.peekCharAt(this.pos + 1)) {
                    case TypeScript.LexCode_x:
                    case TypeScript.LexCode_X: {
                        this.advanceChar(2);
                        return this.scanHexDigits();

                    }
                    case TypeScript.LexCode_8:
                    case TypeScript.LexCode_9:
                    case TypeScript.LexCodeDOT: {
                        return this.scanDecimalNumber(NumberScanState.Start);

                    }
                    default: {
                        return this.scanOctalDigits();

                    }
                }
            } else {
                return this.scanDecimalNumber(NumberScanState.Start);
            }
        };
        Scanner.prototype.scanFraction = function () {
            return this.scanDecimalNumber(NumberScanState.InFraction);
        };
        Scanner.prototype.newLine = function () {
            this.col = 0;
            if(this.mode == LexMode.File) {
                this.line++;
                this.lineMap[this.line] = this.pos + 1;
            }
        };
        Scanner.prototype.finishMultilineComment = function () {
            var ch2;
            this.lexState = LexState.InMultilineComment;
            while(this.pos < this.len) {
                if(this.ch == TypeScript.LexCodeMUL) {
                    ch2 = this.peekCharAt(this.pos + 1);
                    if(ch2 == TypeScript.LexCodeSLH) {
                        this.advanceChar(2);
                        if(this.mode == LexMode.File) {
                            this.tokenStart();
                        }
                        this.lexState = LexState.Start;
                        return true;
                    }
                } else {
                    if(this.ch == TypeScript.LexCodeNWL) {
                        this.newLine();
                        if(this.mode == LexMode.Line) {
                            this.nextChar();
                            return false;
                        }
                    }
                }
                this.nextChar();
            }
            return false;
        };
        Scanner.prototype.pushComment = function (comment) {
            this.commentStack.push(comment);
        };
        Scanner.prototype.getComments = function () {
            var stack = this.commentStack;
            this.commentStack = [];
            return stack;
        };
        Scanner.prototype.getCommentsForLine = function (line) {
            var comments = null;
            while((this.commentStack.length > 0) && (this.commentStack[0].line == line)) {
                if(comments == null) {
                    comments = [
                        this.commentStack.shift()
                    ];
                } else {
                    comments = comments.concat([
                        this.commentStack.shift()
                    ]);
                }
            }
            return comments;
        };
        Scanner.prototype.resetComments = function () {
            this.commentStack = [];
        };
        Scanner.prototype.endsLine = function (c) {
            return (c == TypeScript.LexCodeNWL) || (c == TypeScript.LexCodeRET) || (c == 8232) || (c == 8233);
        };
        Scanner.prototype.finishSinglelineComment = function () {
            while(this.pos < this.len) {
                if(this.endsLine(this.ch)) {
                    break;
                }
                this.nextChar();
            }
            if(this.mode == LexMode.File) {
                this.tokenStart();
            }
        };
        Scanner.prototype.tokenText = function () {
            return this.src.substring(this.startPos, this.pos);
        };
        Scanner.prototype.findClosingSLH = function () {
            var index = this.pos;
            var ch2 = this.src.charCodeAt(index);
            var prevCh = 0;
            var liveEsc = false;
            while(!this.endsLine(ch2) && (index < this.len)) {
                if((ch2 == TypeScript.LexCodeSLH) && (!liveEsc)) {
                    return index;
                }
                prevCh = ch2;
                index++;
                if(liveEsc) {
                    liveEsc = false;
                } else {
                    liveEsc = (prevCh == TypeScript.LexCodeBSL);
                }
                ch2 = this.src.charCodeAt(index);
            }
            return -1;
        };
        Scanner.prototype.speculateRegex = function () {
            if(TypeScript.noRegexTable[this.prevTok.tokenId] != undefined) {
                return null;
            }
            var svPos = this.pos;
            var svCol = this.col;
            var index = this.findClosingSLH();
            if(index > 0) {
                var pattern = this.src.substring(svPos, index);
                var flags = "";
                this.pos = index + 1;
                this.ch = this.peekChar();
                var flagsStart = this.pos;
                while((this.ch == TypeScript.LexCode_i) || (this.ch == TypeScript.LexCode_g) || (this.ch == TypeScript.LexCode_m)) {
                    this.nextChar();
                }
                if((this.pos - flagsStart) > 3) {
                    return null;
                } else {
                    flags = this.src.substring(flagsStart, this.pos);
                }
                var regex = undefined;
                try  {
                    regex = new RegExp(pattern, flags);
                } catch (regexException) {
                }
                if(regex) {
                    this.col = svCol + (this.pos - this.startPos);
                    return new TypeScript.RegexToken(regex);
                }
            }
            this.pos = svPos;
            this.col = svCol;
            return null;
        };
        Scanner.prototype.lastTokenHadNewline = function () {
            return this.prevLine != this.startLine;
        };
        Scanner.prototype.lastTokenLimChar = function () {
            return this.interveningWhitespace ? this.interveningWhitespacePos : this.startPos;
        };
        Scanner.prototype.advanceChar = function (amt) {
            this.pos += amt;
            this.col += amt;
            this.ch = this.peekChar();
        };
        Scanner.prototype.nextChar = function () {
            this.pos++;
            this.col++;
            this.ch = this.peekChar();
        };
        Scanner.prototype.scan = function () {
            if((this.lexState == LexState.InMultilineComment) && (this.scanComments)) {
                this.ch = this.peekChar();
                var commentLine = this.line;
                this.finishMultilineComment();
                if(this.startPos < this.pos) {
                    var commentText = this.src.substring(this.startPos, this.pos);
                    this.tokenStart();
                    return new TypeScript.CommentToken(TypeScript.TokenID.Comment, commentText, true, this.startPos, commentLine, true);
                } else {
                    return TypeScript.staticTokens[TypeScript.TokenID.EOF];
                }
            }
            this.prevLine = this.line;
            this.prevTok = this.innerScan();
            if(this.saveScan) {
                this.saveScan.addToken(this.prevTok, this);
            }
            return this.prevTok;
        };
        Scanner.prototype.innerScan = function () {
            var rtok;
            this.tokenStart();
            this.ch = this.peekChar();
            while(this.pos < this.len) {
                if(lexIdStartTable[this.ch]) {
                    do {
                        this.nextChar();
                    }while(lexIdStartTable[this.ch] || LexIsDigit(this.ch))
                    var idText = this.src.substring(this.startPos, this.pos);
                    var id;
                    if((id = TypeScript.LexKeywordTable.lookup(idText)) != null) {
                        return TypeScript.staticTokens[id];
                    } else {
                        return new TypeScript.StringToken(TypeScript.TokenID.ID, idText);
                    }
                } else {
                    if(this.ch == TypeScript.LexCodeSpace) {
                        if(!this.interveningWhitespace) {
                            this.interveningWhitespacePos = this.pos;
                        }
                        do {
                            this.nextChar();
                        }while(this.ch == TypeScript.LexCodeSpace)
                        if(this.mode == LexMode.Line) {
                            var whitespaceText = this.src.substring(this.startPos, this.pos);
                            return new TypeScript.WhitespaceToken(TypeScript.TokenID.Whitespace, whitespaceText);
                        } else {
                            this.tokenStart();
                            this.interveningWhitespace = true;
                        }
                    } else {
                        if(this.ch == TypeScript.LexCodeSLH) {
                            this.nextChar();
                            var commentText;
                            if(this.ch == TypeScript.LexCodeSLH) {
                                if(!this.interveningWhitespace) {
                                    this.interveningWhitespacePos = this.pos - 1;
                                }
                                var commentStartPos = this.pos - 1;
                                var commentStartLine = this.line;
                                this.finishSinglelineComment();
                                var commentText = this.src.substring(commentStartPos, this.pos);
                                var commentToken = new TypeScript.CommentToken(TypeScript.TokenID.Comment, commentText, false, commentStartPos, commentStartLine, false);
                                if(this.scanComments) {
                                    this.startPos = commentStartPos;
                                    return commentToken;
                                } else {
                                    this.pushComment(commentToken);
                                }
                                this.interveningWhitespace = true;
                            } else {
                                if(this.ch == TypeScript.LexCodeMUL) {
                                    if(!this.interveningWhitespace) {
                                        this.interveningWhitespacePos = this.pos - 1;
                                    }
                                    var commentStartPos = this.pos - 1;
                                    var commentStartLine = this.line;
                                    this.nextChar();
                                    this.finishMultilineComment();
                                    var commentText = this.src.substring(commentStartPos, this.pos);
                                    var endsLine = this.peekChar() == TypeScript.LexCodeNWL || this.peekChar() == TypeScript.LexCodeRET;
                                    var commentToken = new TypeScript.CommentToken(TypeScript.TokenID.Comment, commentText, true, commentStartPos, commentStartLine, endsLine);
                                    if(this.scanComments) {
                                        this.startPos = commentStartPos;
                                        return commentToken;
                                    } else {
                                        this.pushComment(commentToken);
                                    }
                                    this.interveningWhitespace = true;
                                } else {
                                    var regexTok = this.speculateRegex();
                                    if(regexTok) {
                                        return regexTok;
                                    } else {
                                        if(this.peekCharAt(this.pos) == TypeScript.LexCodeEQ) {
                                            this.nextChar();
                                            return TypeScript.staticTokens[TypeScript.TokenID.AsgDiv];
                                        } else {
                                            return TypeScript.staticTokens[TypeScript.TokenID.Div];
                                        }
                                    }
                                }
                            }
                        } else {
                            if(this.ch == TypeScript.LexCodeSMC) {
                                this.nextChar();
                                return TypeScript.staticTokens[TypeScript.TokenID.SColon];
                            } else {
                                if((this.ch == TypeScript.LexCodeAPO) || (this.ch == TypeScript.LexCodeQUO)) {
                                    var endCode = this.ch;
                                    var prevCh = 0;
                                    var liveEsc = false;
                                    do {
                                        prevCh = this.ch;
                                        if(liveEsc) {
                                            liveEsc = false;
                                        } else {
                                            liveEsc = (prevCh == TypeScript.LexCodeBSL);
                                        }
                                        this.nextChar();
                                    }while((this.ch != TypeScript.LexEOF) && (liveEsc || (this.ch != endCode)))
                                    if(this.ch != TypeScript.LexEOF) {
                                        this.nextChar();
                                    }
                                    return new TypeScript.StringToken(TypeScript.TokenID.QString, this.src.substring(this.startPos, this.pos));
                                } else {
                                    if(autoToken[this.ch]) {
                                        var atok = autoToken[this.ch];
                                        if(atok.tokenId == TypeScript.TokenID.LCurly) {
                                            this.leftCurlyCount++;
                                        } else {
                                            if(atok.tokenId == TypeScript.TokenID.RCurly) {
                                                this.rightCurlyCount++;
                                            }
                                        }
                                        this.nextChar();
                                        return atok;
                                    } else {
                                        if((this.ch >= TypeScript.LexCode_0) && (this.ch <= TypeScript.LexCode_9)) {
                                            rtok = this.scanNumber();
                                            if(rtok) {
                                                return rtok;
                                            } else {
                                                this.nextChar();
                                                return TypeScript.staticTokens[TypeScript.TokenID.Error];
                                            }
                                        } else {
                                            switch(this.ch) {
                                                case TypeScript.LexCodeTAB:
                                                case TypeScript.LexCodeVTAB: {
                                                    if(!this.interveningWhitespace) {
                                                        this.interveningWhitespacePos = this.pos;
                                                    }
                                                    if(this.mode == LexMode.Line) {
                                                        do {
                                                            this.nextChar();
                                                        }while((this.ch == TypeScript.LexCodeSpace) || (this.ch == 9))
                                                        var wsText = this.src.substring(this.startPos, this.pos);
                                                        return new TypeScript.WhitespaceToken(TypeScript.TokenID.Whitespace, wsText);
                                                    } else {
                                                        this.interveningWhitespace = true;
                                                    }

                                                }
                                                case 255:
                                                case 254:
                                                case 239:
                                                case 187:
                                                case 191:
                                                case 8232:
                                                case 8233:
                                                case TypeScript.LexCodeNWL:
                                                case TypeScript.LexCodeRET: {
                                                    if(this.ch == TypeScript.LexCodeNWL) {
                                                        this.newLine();
                                                        if(this.mode == LexMode.Line) {
                                                            return TypeScript.staticTokens[TypeScript.TokenID.EOF];
                                                        }
                                                    }
                                                    if(!this.interveningWhitespace) {
                                                        this.interveningWhitespacePos = this.pos;
                                                    }
                                                    this.nextChar();
                                                    this.tokenStart();
                                                    this.interveningWhitespace = true;
                                                    break;

                                                }
                                                case TypeScript.LexCodeDOT: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeDOT) {
                                                        if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeDOT) {
                                                            this.advanceChar(3);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Ellipsis];
                                                        } else {
                                                            this.nextChar();
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Dot];
                                                        }
                                                    } else {
                                                        this.nextChar();
                                                        rtok = this.scanFraction();
                                                        if(rtok) {
                                                            return rtok;
                                                        } else {
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Dot];
                                                        }
                                                    }
                                                }

                                                case TypeScript.LexCodeEQ: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                        if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeEQ) {
                                                            this.advanceChar(3);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Eqv];
                                                        } else {
                                                            this.advanceChar(2);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.EQ];
                                                        }
                                                    } else {
                                                        if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeGT) {
                                                            this.advanceChar(2);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Arrow];
                                                        } else {
                                                            this.nextChar();
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Asg];
                                                        }
                                                    }

                                                }
                                                case TypeScript.LexCodeBNG: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                        if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeEQ) {
                                                            this.advanceChar(3);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.NEqv];
                                                        } else {
                                                            this.advanceChar(2);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.NE];
                                                        }
                                                    } else {
                                                        this.nextChar();
                                                        return TypeScript.staticTokens[TypeScript.TokenID.Bang];
                                                    }

                                                }
                                                case TypeScript.LexCodePLS: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                        this.advanceChar(2);
                                                        return TypeScript.staticTokens[TypeScript.TokenID.AsgAdd];
                                                    } else {
                                                        if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodePLS) {
                                                            this.advanceChar(2);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Inc];
                                                        } else {
                                                            this.nextChar();
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Add];
                                                        }
                                                    }

                                                }
                                                case TypeScript.LexCodeMIN: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                        this.advanceChar(2);
                                                        return TypeScript.staticTokens[TypeScript.TokenID.AsgSub];
                                                    } else {
                                                        if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeMIN) {
                                                            this.advanceChar(2);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Dec];
                                                        } else {
                                                            this.nextChar();
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Sub];
                                                        }
                                                    }

                                                }
                                                case TypeScript.LexCodeMUL: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                        this.advanceChar(2);
                                                        return TypeScript.staticTokens[TypeScript.TokenID.AsgMul];
                                                    } else {
                                                        this.nextChar();
                                                        return TypeScript.staticTokens[TypeScript.TokenID.Mult];
                                                    }

                                                }
                                                case TypeScript.LexCodePCT: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                        this.advanceChar(2);
                                                        return TypeScript.staticTokens[TypeScript.TokenID.AsgMod];
                                                    } else {
                                                        this.nextChar();
                                                        return TypeScript.staticTokens[TypeScript.TokenID.Pct];
                                                    }

                                                }
                                                case TypeScript.LexCodeLT: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeLT) {
                                                        if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeEQ) {
                                                            this.advanceChar(3);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.AsgLsh];
                                                        } else {
                                                            this.advanceChar(2);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Lsh];
                                                        }
                                                    } else {
                                                        if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                            this.advanceChar(2);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.LE];
                                                        } else {
                                                            this.nextChar();
                                                            return TypeScript.staticTokens[TypeScript.TokenID.LT];
                                                        }
                                                    }

                                                }
                                                case TypeScript.LexCodeGT: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeGT) {
                                                        if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeEQ) {
                                                            this.advanceChar(3);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.AsgRsh];
                                                        } else {
                                                            if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeGT) {
                                                                if(this.peekCharAt(this.pos + 3) == TypeScript.LexCodeEQ) {
                                                                    this.advanceChar(4);
                                                                    return TypeScript.staticTokens[TypeScript.TokenID.AsgRs2];
                                                                } else {
                                                                    this.advanceChar(3);
                                                                    return TypeScript.staticTokens[TypeScript.TokenID.Rs2];
                                                                }
                                                            } else {
                                                                this.advanceChar(2);
                                                                return TypeScript.staticTokens[TypeScript.TokenID.Rsh];
                                                            }
                                                        }
                                                    } else {
                                                        if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                            this.advanceChar(2);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.GE];
                                                        } else {
                                                            this.nextChar();
                                                            return TypeScript.staticTokens[TypeScript.TokenID.GT];
                                                        }
                                                    }

                                                }
                                                case TypeScript.LexCodeXOR: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                        this.advanceChar(2);
                                                        return TypeScript.staticTokens[TypeScript.TokenID.AsgXor];
                                                    } else {
                                                        this.nextChar();
                                                        return TypeScript.staticTokens[TypeScript.TokenID.Xor];
                                                    }

                                                }
                                                case TypeScript.LexCodeBAR: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                        this.advanceChar(2);
                                                        return TypeScript.staticTokens[TypeScript.TokenID.AsgOr];
                                                    } else {
                                                        if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeBAR) {
                                                            this.advanceChar(2);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.LogOr];
                                                        } else {
                                                            this.nextChar();
                                                            return TypeScript.staticTokens[TypeScript.TokenID.Or];
                                                        }
                                                    }

                                                }
                                                case TypeScript.LexCodeAMP: {
                                                    if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                        this.advanceChar(2);
                                                        return TypeScript.staticTokens[TypeScript.TokenID.AsgAnd];
                                                    } else {
                                                        if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeAMP) {
                                                            this.advanceChar(2);
                                                            return TypeScript.staticTokens[TypeScript.TokenID.LogAnd];
                                                        } else {
                                                            this.nextChar();
                                                            return TypeScript.staticTokens[TypeScript.TokenID.And];
                                                        }
                                                    }

                                                }
                                                default: {
                                                    return TypeScript.staticTokens[TypeScript.TokenID.EOF];

                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
            return TypeScript.staticTokens[TypeScript.TokenID.EOF];
        };
        return Scanner;
    })();
    TypeScript.Scanner = Scanner;    
    function convertTokToIDName(tok) {
        return convertTokToIDBase(tok, true, false);
    }
    TypeScript.convertTokToIDName = convertTokToIDName;
    function convertTokToID(tok, strictMode) {
        return convertTokToIDBase(tok, false, strictMode);
    }
    TypeScript.convertTokToID = convertTokToID;
    function convertTokToIDBase(tok, identifierName, strictMode) {
        if(tok.tokenId <= TypeScript.TokenID.LimKeyword) {
            var tokInfo = TypeScript.lookupToken(tok.tokenId);
            if(tokInfo != undefined) {
                var resFlags = TypeScript.Reservation.Javascript | TypeScript.Reservation.JavascriptFuture;
                if(strictMode) {
                    resFlags |= TypeScript.Reservation.JavascriptFutureStrict;
                }
                if(identifierName || !TypeScript.hasFlag(tokInfo.reservation, resFlags)) {
                    return true;
                }
            } else {
                return false;
            }
        } else {
            return false;
        }
    }
    function getLineNumberFromPosition(lineMap, position) {
        if(position === -1) {
            return 0;
        }
        var min = 0;
        var max = lineMap.length - 1;
        while(min < max) {
            var med = (min + max) >> 1;
            if(position < lineMap[med]) {
                max = med - 1;
            } else {
                if(position < lineMap[med + 1]) {
                    min = max = med;
                } else {
                    min = med + 1;
                }
            }
        }
        return min;
    }
    TypeScript.getLineNumberFromPosition = getLineNumberFromPosition;
    function getSourceLineColFromMap(lineCol, minChar, lineMap) {
        var line = getLineNumberFromPosition(lineMap, minChar);
        if(line > 0) {
            lineCol.line = line;
            lineCol.col = (minChar - lineMap[line]);
        }
    }
    TypeScript.getSourceLineColFromMap = getSourceLineColFromMap;
    function getLineColumnFromPosition(script, position) {
        var result = {
            line: -1,
            col: -1
        };
        getSourceLineColFromMap(result, position, script.locationInfo.lineMap);
        if(result.col >= 0) {
            result.col++;
        }
        return result;
    }
    TypeScript.getLineColumnFromPosition = getLineColumnFromPosition;
    function getPositionFromLineColumn(script, line, column) {
        return script.locationInfo.lineMap[line] + (column - 1);
    }
    TypeScript.getPositionFromLineColumn = getPositionFromLineColumn;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var AssignScopeContext = (function () {
        function AssignScopeContext(scopeChain, typeFlow, modDeclChain) {
            this.scopeChain = scopeChain;
            this.typeFlow = typeFlow;
            this.modDeclChain = modDeclChain;
        }
        return AssignScopeContext;
    })();
    TypeScript.AssignScopeContext = AssignScopeContext;    
    function pushAssignScope(scope, context, type, classType, fnc) {
        var chain = new TypeScript.ScopeChain(null, context.scopeChain, scope);
        chain.thisType = type;
        chain.classType = classType;
        chain.fnc = fnc;
        context.scopeChain = chain;
    }
    TypeScript.pushAssignScope = pushAssignScope;
    function popAssignScope(context) {
        context.scopeChain = context.scopeChain.previous;
    }
    TypeScript.popAssignScope = popAssignScope;
    function instanceCompare(a, b) {
        if(((a == null) || (!a.isInstanceProperty()))) {
            return b;
        } else {
            return a;
        }
    }
    TypeScript.instanceCompare = instanceCompare;
    function instanceFilterStop(s) {
        return s.isInstanceProperty();
    }
    TypeScript.instanceFilterStop = instanceFilterStop;
    var ScopeSearchFilter = (function () {
        function ScopeSearchFilter(select, stop) {
            this.select = select;
            this.stop = stop;
            this.result = null;
        }
        ScopeSearchFilter.prototype.reset = function () {
            this.result = null;
        };
        ScopeSearchFilter.prototype.update = function (b) {
            this.result = this.select(this.result, b);
            if(this.result) {
                return this.stop(this.result);
            } else {
                return false;
            }
        };
        return ScopeSearchFilter;
    })();
    TypeScript.ScopeSearchFilter = ScopeSearchFilter;    
    TypeScript.instanceFilter = new ScopeSearchFilter(instanceCompare, instanceFilterStop);
    function preAssignModuleScopes(ast, context) {
        var moduleDecl = ast;
        var memberScope = null;
        var aggScope = null;
        if(moduleDecl.name && moduleDecl.mod) {
            moduleDecl.name.sym = moduleDecl.mod.symbol;
        }
        var mod = moduleDecl.mod;
        if(!mod) {
            return;
        }
        memberScope = new TypeScript.SymbolTableScope(mod.members, mod.ambientMembers, mod.enclosedTypes, mod.ambientEnclosedTypes, mod.symbol);
        mod.memberScope = memberScope;
        context.modDeclChain.push(moduleDecl);
        context.typeFlow.checker.currentModDecl = moduleDecl;
        aggScope = new TypeScript.SymbolAggregateScope(mod.symbol);
        aggScope.addParentScope(memberScope);
        aggScope.addParentScope(context.scopeChain.scope);
        pushAssignScope(aggScope, context, null, null, null);
        mod.containedScope = aggScope;
        if(mod.symbol) {
            context.typeFlow.addLocalsFromScope(mod.containedScope, mod.symbol, moduleDecl.vars, mod.members.privateMembers, true);
        }
    }
    TypeScript.preAssignModuleScopes = preAssignModuleScopes;
    function preAssignClassScopes(ast, context) {
        var classDecl = ast;
        var memberScope = null;
        var aggScope = null;
        if(classDecl.name && classDecl.type) {
            classDecl.name.sym = classDecl.type.symbol;
        }
        var classType = ast.type;
        if(classType) {
            var classSym = classType.symbol;
            memberScope = context.typeFlow.checker.scopeOf(classType);
            aggScope = new TypeScript.SymbolAggregateScope(classType.symbol);
            aggScope.addParentScope(memberScope);
            aggScope.addParentScope(context.scopeChain.scope);
            classType.containedScope = aggScope;
            classType.memberScope = memberScope;
            var instanceType = classType.instanceType;
            memberScope = context.typeFlow.checker.scopeOf(instanceType);
            instanceType.memberScope = memberScope;
            aggScope = new TypeScript.SymbolAggregateScope(instanceType.symbol);
            aggScope.addParentScope(context.scopeChain.scope);
            pushAssignScope(aggScope, context, instanceType, classType, null);
            instanceType.containedScope = aggScope;
        } else {
            ast.type = context.typeFlow.anyType;
        }
    }
    TypeScript.preAssignClassScopes = preAssignClassScopes;
    function preAssignInterfaceScopes(ast, context) {
        var interfaceDecl = ast;
        var memberScope = null;
        var aggScope = null;
        if(interfaceDecl.name && interfaceDecl.type) {
            interfaceDecl.name.sym = interfaceDecl.type.symbol;
        }
        var interfaceType = ast.type;
        memberScope = context.typeFlow.checker.scopeOf(interfaceType);
        interfaceType.memberScope = memberScope;
        aggScope = new TypeScript.SymbolAggregateScope(interfaceType.symbol);
        aggScope.addParentScope(memberScope);
        aggScope.addParentScope(context.scopeChain.scope);
        pushAssignScope(aggScope, context, null, null, null);
        interfaceType.containedScope = aggScope;
    }
    TypeScript.preAssignInterfaceScopes = preAssignInterfaceScopes;
    function preAssignWithScopes(ast, context) {
        var withStmt = ast;
        var withType = withStmt.type;
        var members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
        var ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
        var withType = new TypeScript.Type();
        var withSymbol = new TypeScript.WithSymbol(withStmt.minChar, context.typeFlow.checker.locationInfo.unitIndex, withType);
        withType.members = members;
        withType.ambientMembers = ambientMembers;
        withType.symbol = withSymbol;
        withType.setHasImplementation();
        withStmt.type = withType;
        var withScope = new TypeScript.SymbolScopeBuilder(withType.members, withType.ambientMembers, null, null, context.scopeChain.scope, withType.symbol);
        pushAssignScope(withScope, context, null, null, null);
        withType.containedScope = withScope;
    }
    TypeScript.preAssignWithScopes = preAssignWithScopes;
    function preAssignFuncDeclScopes(ast, context) {
        var funcDecl = ast;
        var container = null;
        var localContainer = null;
        if(funcDecl.type) {
            localContainer = ast.type.symbol;
        }
        var isStatic = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static);
        var isInnerStatic = isStatic && context.scopeChain.fnc != null;
        var parentScope = isInnerStatic ? context.scopeChain.fnc.type.memberScope : context.scopeChain.scope;
        if(context.scopeChain.thisType && (!funcDecl.isConstructor || TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod))) {
            var instType = context.scopeChain.thisType;
            if(!(instType.typeFlags & TypeScript.TypeFlags.IsClass) && !TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
                if(!funcDecl.isMethod() || isStatic) {
                    parentScope = instType.constructorScope;
                } else {
                    parentScope = instType.containedScope;
                }
            } else {
                if(context.scopeChain.previous.scope.container && context.scopeChain.previous.scope.container.declAST && context.scopeChain.previous.scope.container.declAST.nodeType == TypeScript.NodeType.FuncDecl && (context.scopeChain.previous.scope.container.declAST).isConstructor) {
                    parentScope = instType.constructorScope;
                } else {
                    if(isStatic && context.scopeChain.classType) {
                        parentScope = context.scopeChain.classType.containedScope;
                    } else {
                        parentScope = instType.containedScope;
                    }
                }
            }
            container = instType.symbol;
        } else {
            if(funcDecl.isConstructor && context.scopeChain.thisType) {
                container = context.scopeChain.thisType.symbol;
            }
        }
        if(funcDecl.type == null || TypeScript.hasFlag(funcDecl.type.symbol.flags, TypeScript.SymbolFlags.TypeSetDuringScopeAssignment)) {
            if(context.scopeChain.fnc && context.scopeChain.fnc.type) {
                container = context.scopeChain.fnc.type.symbol;
            }
            var funcScope = null;
            var outerFnc = context.scopeChain.fnc;
            var nameText = funcDecl.name ? funcDecl.name.text : null;
            var fgSym = null;
            if(isStatic) {
                if(outerFnc.type.members == null && container.getType().memberScope) {
                    outerFnc.type.members = ((container).type.memberScope).valueMembers;
                }
                funcScope = context.scopeChain.fnc.type.memberScope;
                outerFnc.innerStaticFuncs[outerFnc.innerStaticFuncs.length] = funcDecl;
            } else {
                if(!funcDecl.isConstructor && container && container.declAST && container.declAST.nodeType == TypeScript.NodeType.FuncDecl && (container.declAST).isConstructor && !funcDecl.isMethod()) {
                    funcScope = context.scopeChain.thisType.constructorScope;
                } else {
                    funcScope = context.scopeChain.scope;
                }
            }
            if(nameText && nameText != "__missing" && !funcDecl.isAccessor()) {
                if(isStatic) {
                    fgSym = funcScope.findLocal(nameText, false, false);
                } else {
                    fgSym = funcScope.findLocal(nameText, false, false);
                }
            }
            context.typeFlow.checker.createFunctionSignature(funcDecl, container, funcScope, fgSym, fgSym == null);
            if(!funcDecl.accessorSymbol && (funcDecl.fncFlags & TypeScript.FncFlags.ClassMethod) && container && ((!fgSym || fgSym.declAST.nodeType != TypeScript.NodeType.FuncDecl) && funcDecl.isAccessor()) || (fgSym && fgSym.isAccessor())) {
                funcDecl.accessorSymbol = context.typeFlow.checker.createAccessorSymbol(funcDecl, fgSym, container.getType(), (funcDecl.isMethod() && isStatic), true, funcScope, container);
            }
            funcDecl.type.symbol.flags |= TypeScript.SymbolFlags.TypeSetDuringScopeAssignment;
        }
        if(funcDecl.name && funcDecl.type) {
            funcDecl.name.sym = funcDecl.type.symbol;
        }
        funcDecl.scopeType = funcDecl.type;
        if(funcDecl.isOverload) {
            return;
        }
        var funcTable = new TypeScript.StringHashTable();
        var funcMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(funcTable, new TypeScript.StringHashTable()));
        var ambientFuncTable = new TypeScript.StringHashTable();
        var ambientFuncMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(ambientFuncTable, new TypeScript.StringHashTable()));
        var funcStaticTable = new TypeScript.StringHashTable();
        var funcStaticMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(funcStaticTable, new TypeScript.StringHashTable()));
        var ambientFuncStaticTable = new TypeScript.StringHashTable();
        var ambientFuncStaticMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(ambientFuncStaticTable, new TypeScript.StringHashTable()));
        funcDecl.unitIndex = context.typeFlow.checker.locationInfo.unitIndex;
        var locals = new TypeScript.SymbolScopeBuilder(funcMembers, ambientFuncMembers, null, null, parentScope, localContainer);
        var statics = new TypeScript.SymbolScopeBuilder(funcStaticMembers, ambientFuncStaticMembers, null, null, parentScope, null);
        if(funcDecl.isConstructor && context.scopeChain.thisType) {
            context.scopeChain.thisType.constructorScope = locals;
        }
        funcDecl.symbols = funcTable;
        if(!funcDecl.isSpecialFn()) {
            var group = funcDecl.type;
            var signature = funcDecl.signature;
            if(!funcDecl.isConstructor) {
                group.containedScope = locals;
                locals.container = group.symbol;
                group.memberScope = statics;
                statics.container = group.symbol;
            }
            funcDecl.enclosingFnc = context.scopeChain.fnc;
            group.enclosingType = isStatic ? context.scopeChain.classType : context.scopeChain.thisType;
            var fgSym = ast.type.symbol;
            if(((funcDecl.fncFlags & TypeScript.FncFlags.Signature) == TypeScript.FncFlags.None) && funcDecl.vars) {
                context.typeFlow.addLocalsFromScope(locals, fgSym, funcDecl.vars, funcTable, false);
                context.typeFlow.addLocalsFromScope(statics, fgSym, funcDecl.statics, funcStaticTable, false);
            }
            if(signature.parameters) {
                var len = signature.parameters.length;
                for(var i = 0; i < len; i++) {
                    var paramSym = signature.parameters[i];
                    context.typeFlow.checker.resolveTypeLink(locals, paramSym.parameter.typeLink, true);
                }
            }
            context.typeFlow.checker.resolveTypeLink(locals, signature.returnType, funcDecl.isSignature());
        }
        if(!funcDecl.isConstructor || TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
            var thisType = (funcDecl.isConstructor && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) ? context.scopeChain.thisType : null;
            pushAssignScope(locals, context, thisType, null, funcDecl);
        }
    }
    TypeScript.preAssignFuncDeclScopes = preAssignFuncDeclScopes;
    function preAssignCatchScopes(ast, context) {
        var catchBlock = ast;
        if(catchBlock.param) {
            var catchTable = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
            var catchLocals = new TypeScript.SymbolScopeBuilder(catchTable, null, null, null, context.scopeChain.scope, context.scopeChain.scope.container);
            catchBlock.containedScope = catchLocals;
            pushAssignScope(catchLocals, context, context.scopeChain.thisType, context.scopeChain.classType, context.scopeChain.fnc);
        }
    }
    TypeScript.preAssignCatchScopes = preAssignCatchScopes;
    function preAssignScopes(ast, parent, walker) {
        var context = walker.state;
        var go = true;
        if(ast) {
            if(ast.nodeType == TypeScript.NodeType.List) {
                var list = ast;
                list.enclosingScope = context.scopeChain.scope;
            } else {
                if(ast.nodeType == TypeScript.NodeType.Module) {
                    preAssignModuleScopes(ast, context);
                } else {
                    if(ast.nodeType == TypeScript.NodeType.Class) {
                        preAssignClassScopes(ast, context);
                    } else {
                        if(ast.nodeType == TypeScript.NodeType.Interface) {
                            preAssignInterfaceScopes(ast, context);
                        } else {
                            if(ast.nodeType == TypeScript.NodeType.With) {
                                preAssignWithScopes(ast, context);
                            } else {
                                if(ast.nodeType == TypeScript.NodeType.FuncDecl) {
                                    preAssignFuncDeclScopes(ast, context);
                                } else {
                                    if(ast.nodeType == TypeScript.NodeType.Catch) {
                                        preAssignCatchScopes(ast, context);
                                    } else {
                                        if(ast.nodeType == TypeScript.NodeType.TypeRef) {
                                            go = false;
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        walker.options.goChildren = go;
        return ast;
    }
    TypeScript.preAssignScopes = preAssignScopes;
    function postAssignScopes(ast, parent, walker) {
        var context = walker.state;
        var go = true;
        if(ast) {
            if(ast.nodeType == TypeScript.NodeType.Module) {
                var prevModDecl = ast;
                popAssignScope(context);
                context.modDeclChain.pop();
                if(context.modDeclChain.length >= 1) {
                    context.typeFlow.checker.currentModDecl = context.modDeclChain[context.modDeclChain.length - 1];
                }
            } else {
                if(ast.nodeType == TypeScript.NodeType.Class) {
                    popAssignScope(context);
                } else {
                    if(ast.nodeType == TypeScript.NodeType.Interface) {
                        popAssignScope(context);
                    } else {
                        if(ast.nodeType == TypeScript.NodeType.With) {
                            popAssignScope(context);
                        } else {
                            if(ast.nodeType == TypeScript.NodeType.FuncDecl) {
                                var funcDecl = ast;
                                if((!funcDecl.isConstructor || TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) && !funcDecl.isOverload) {
                                    popAssignScope(context);
                                }
                            } else {
                                if(ast.nodeType == TypeScript.NodeType.Catch) {
                                    var catchBlock = ast;
                                    if(catchBlock.param) {
                                        popAssignScope(context);
                                    }
                                } else {
                                    go = false;
                                }
                            }
                        }
                    }
                }
            }
        }
        walker.options.goChildren = go;
        return ast;
    }
    TypeScript.postAssignScopes = postAssignScopes;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var TypeCollectionContext = (function () {
        function TypeCollectionContext(scopeChain, checker) {
            this.scopeChain = scopeChain;
            this.checker = checker;
            this.script = null;
        }
        return TypeCollectionContext;
    })();
    TypeScript.TypeCollectionContext = TypeCollectionContext;    
    var MemberScopeContext = (function () {
        function MemberScopeContext(flow, pos, matchFlag) {
            this.flow = flow;
            this.pos = pos;
            this.matchFlag = matchFlag;
            this.type = null;
            this.ast = null;
            this.options = new TypeScript.AstWalkOptions();
        }
        return MemberScopeContext;
    })();
    TypeScript.MemberScopeContext = MemberScopeContext;    
    var EnclosingScopeContext = (function () {
        function EnclosingScopeContext(logger, script, text, pos, isMemberCompletion) {
            this.logger = logger;
            this.script = script;
            this.text = text;
            this.pos = pos;
            this.isMemberCompletion = isMemberCompletion;
            this.scopeGetter = null;
            this.objectLiteralScopeGetter = null;
            this.scopeStartAST = null;
            this.skipNextFuncDeclForClass = false;
            this.deepestModuleDecl = null;
            this.enclosingClassDecl = null;
            this.enclosingObjectLit = null;
            this.publicsOnly = true;
            this.useFullAst = false;
        }
        EnclosingScopeContext.prototype.getScope = function () {
            return this.scopeGetter();
        };
        EnclosingScopeContext.prototype.getObjectLiteralScope = function () {
            return this.objectLiteralScopeGetter();
        };
        EnclosingScopeContext.prototype.getScopeAST = function () {
            return this.scopeStartAST;
        };
        EnclosingScopeContext.prototype.getScopePosition = function () {
            return this.scopeStartAST.minChar;
        };
        EnclosingScopeContext.prototype.getScriptFragmentStartAST = function () {
            return this.scopeStartAST;
        };
        EnclosingScopeContext.prototype.getScriptFragmentPosition = function () {
            return this.getScriptFragmentStartAST().minChar;
        };
        EnclosingScopeContext.prototype.getScriptFragment = function () {
            if(this.scriptFragment == null) {
                var ast = this.getScriptFragmentStartAST();
                var minChar = ast.minChar;
                var limChar = (this.isMemberCompletion ? this.pos : this.pos + 1);
                this.scriptFragment = TypeScript.quickParse(this.logger, ast, this.text, minChar, limChar, null).Script;
            }
            return this.scriptFragment;
        };
        return EnclosingScopeContext;
    })();
    TypeScript.EnclosingScopeContext = EnclosingScopeContext;    
    function preFindMemberScope(ast, parent, walker) {
        var memScope = walker.state;
        if(TypeScript.hasFlag(ast.flags, memScope.matchFlag) && ((memScope.pos < 0) || (memScope.pos == ast.limChar))) {
            memScope.ast = ast;
            if((ast.type == null) && (memScope.pos >= 0)) {
                memScope.flow.inScopeTypeCheck(ast, memScope.scope);
            }
            memScope.type = ast.type;
            memScope.options.stopWalk();
        }
        return ast;
    }
    TypeScript.preFindMemberScope = preFindMemberScope;
    function pushTypeCollectionScope(container, valueMembers, ambientValueMembers, enclosedTypes, ambientEnclosedTypes, context, thisType, classType, moduleDecl) {
        var builder = new TypeScript.SymbolScopeBuilder(valueMembers, ambientValueMembers, enclosedTypes, ambientEnclosedTypes, null, container);
        var chain = new TypeScript.ScopeChain(container, context.scopeChain, builder);
        chain.thisType = thisType;
        chain.classType = classType;
        chain.moduleDecl = moduleDecl;
        context.scopeChain = chain;
    }
    TypeScript.pushTypeCollectionScope = pushTypeCollectionScope;
    function popTypeCollectionScope(context) {
        context.scopeChain = context.scopeChain.previous;
    }
    TypeScript.popTypeCollectionScope = popTypeCollectionScope;
    function preFindEnclosingScope(ast, parent, walker) {
        var context = walker.state;
        var minChar = ast.minChar;
        var limChar = ast.limChar;
        if(ast.nodeType == TypeScript.NodeType.Script && context.pos > limChar) {
            limChar = context.pos;
        }
        if((minChar <= context.pos) && (limChar >= context.pos)) {
            switch(ast.nodeType) {
                case TypeScript.NodeType.Script: {
                    var script = ast;
                    context.scopeGetter = function () {
                        return script.bod === null ? null : script.bod.enclosingScope;
                    };
                    context.scopeStartAST = script;
                    break;

                }
                case TypeScript.NodeType.Class: {
                    context.scopeGetter = function () {
                        return (ast.type === null || ast.type.instanceType.containedScope === null) ? null : ast.type.instanceType.containedScope;
                    };
                    context.scopeStartAST = ast;
                    context.enclosingClassDecl = ast;
                    break;

                }
                case TypeScript.NodeType.ObjectLit: {
                    var objectLit = ast;
                    if(objectLit.targetType) {
                        context.scopeGetter = function () {
                            return objectLit.targetType.containedScope;
                        };
                        context.objectLiteralScopeGetter = function () {
                            return objectLit.targetType.memberScope;
                        };
                        context.enclosingObjectLit = objectLit;
                    }
                    break;

                }
                case TypeScript.NodeType.Module: {
                    context.deepestModuleDecl = ast;
                    context.scopeGetter = function () {
                        return ast.type === null ? null : ast.type.containedScope;
                    };
                    context.scopeStartAST = ast;
                    break;

                }
                case TypeScript.NodeType.Interface: {
                    context.scopeGetter = function () {
                        return (ast.type === null) ? null : ast.type.containedScope;
                    };
                    context.scopeStartAST = ast;
                    break;

                }
                case TypeScript.NodeType.FuncDecl: {
 {
                        var funcDecl = ast;
                        if(context.skipNextFuncDeclForClass) {
                            context.skipNextFuncDeclForClass = false;
                        } else {
                            context.scopeGetter = function () {
                                if(funcDecl.isConstructor && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
                                    if(ast.type && ast.type.enclosingType) {
                                        return ast.type.enclosingType.constructorScope;
                                    }
                                }
                                if(funcDecl.scopeType) {
                                    return funcDecl.scopeType.containedScope;
                                }
                                if(funcDecl.type) {
                                    return funcDecl.type.containedScope;
                                }
                                return null;
                            };
                            context.scopeStartAST = ast;
                        }
                    }
                    break;

                }
            }
            walker.options.goChildren = true;
        } else {
            walker.options.goChildren = false;
        }
        return ast;
    }
    TypeScript.preFindEnclosingScope = preFindEnclosingScope;
    function findEnclosingScopeAt(logger, script, text, pos, isMemberCompletion) {
        var context = new EnclosingScopeContext(logger, script, text, pos, isMemberCompletion);
        TypeScript.getAstWalkerFactory().walk(script, preFindEnclosingScope, null, null, context);
        if(context.scopeStartAST === null) {
            return null;
        }
        return context;
    }
    TypeScript.findEnclosingScopeAt = findEnclosingScopeAt;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var Signature = (function () {
        function Signature() {
            this.hasVariableArgList = false;
            this.parameters = null;
            this.declAST = null;
            this.typeCheckStatus = TypeScript.TypeCheckStatus.NotStarted;
            this.nonOptionalParameterCount = 0;
        }
        Signature.prototype.specializeType = function (pattern, replacement, checker) {
            var result = new Signature();
            if(this.hasVariableArgList) {
                result.hasVariableArgList = true;
            }
            result.returnType = new TypeScript.TypeLink();
            if(this.returnType.type) {
                result.returnType.type = this.returnType.type.specializeType(pattern, replacement, checker, false);
            } else {
                result.returnType.type = checker.anyType;
            }
            if(this.parameters) {
                result.parameters = [];
                for(var i = 0, len = this.parameters.length; i < len; i++) {
                    var oldSym = this.parameters[i];
                    var paramDef = new TypeScript.ValueLocation();
                    var paramSym = new TypeScript.ParameterSymbol(oldSym.name, oldSym.location, checker.locationInfo.unitIndex, paramDef);
                    paramSym.declAST = this.declAST;
                    paramDef.symbol = paramSym;
                    paramDef.typeLink = new TypeScript.TypeLink();
                    result.parameters[i] = paramSym;
                    var oldType = oldSym.getType();
                    if(oldType) {
                        paramDef.typeLink.type = oldType.specializeType(pattern, replacement, checker, false);
                        paramSym.declAST.type = paramDef.typeLink.type;
                    } else {
                        paramDef.typeLink.type = checker.anyType;
                    }
                }
            }
            result.nonOptionalParameterCount = this.nonOptionalParameterCount;
            result.declAST = this.declAST;
            return result;
        };
        Signature.prototype.toString = function () {
            return this.toStringHelper(false, false, null);
        };
        Signature.prototype.toStringHelper = function (shortform, brackets, scope) {
            var builder;
            if(brackets) {
                builder = "[";
            } else {
                builder = "(";
            }
            var len = this.parameters.length;
            for(var i = 0; i < len; i++) {
                builder += this.parameters[i].name + (this.parameters[i].isOptional() ? "?" : "") + ": ";
                builder += this.parameters[i].getType().getScopedTypeName(scope);
                if(i < len - 1) {
                    builder += ",";
                }
            }
            if(shortform) {
                if(brackets) {
                    builder += "] => ";
                } else {
                    builder += ") => ";
                }
            } else {
                if(brackets) {
                    builder += "]: ";
                } else {
                    builder += "): ";
                }
            }
            if(this.returnType.type) {
                builder += this.returnType.type.getScopedTypeName(scope);
            } else {
                builder += "any";
            }
            return builder;
        };
        return Signature;
    })();
    TypeScript.Signature = Signature;    
    var SignatureGroup = (function () {
        function SignatureGroup() {
            this.signatures = [];
            this.hasImplementation = true;
            this.definitionSignature = null;
            this.hasBeenTypechecked = false;
            this.flags = TypeScript.SignatureFlags.None;
        }
        SignatureGroup.prototype.addSignature = function (signature) {
            if(this.signatures == null) {
                this.signatures = new Array();
            }
            this.signatures[this.signatures.length] = signature;
            if(signature.declAST && !signature.declAST.isOverload && !signature.declAST.isSignature() && !TypeScript.hasFlag(signature.declAST.fncFlags, TypeScript.FncFlags.Ambient) && TypeScript.hasFlag(signature.declAST.fncFlags, TypeScript.FncFlags.Definition)) {
                this.definitionSignature = signature;
            }
        };
        SignatureGroup.prototype.toString = function () {
            return this.signatures.toString();
        };
        SignatureGroup.prototype.toStrings = function (prefix, shortform, scope) {
            var result = [];
            var len = this.signatures.length;
            if(len > 1) {
                shortform = false;
            }
            for(var i = 0; i < len; i++) {
                if(len > 1 && this.signatures[i] == this.definitionSignature) {
                    continue;
                }
                if(this.flags & TypeScript.SignatureFlags.IsIndexer) {
                    result[i] = this.signatures[i].toStringHelper(shortform, true, scope);
                } else {
                    result[i] = prefix + this.signatures[i].toStringHelper(shortform, false, scope);
                }
            }
            return result;
        };
        SignatureGroup.prototype.specializeType = function (pattern, replacement, checker) {
            var result = new SignatureGroup();
            if(this.signatures) {
                for(var i = 0, len = this.signatures.length; i < len; i++) {
                    result.addSignature(this.signatures[i].specializeType(pattern, replacement, checker));
                }
            }
            return result;
        };
        SignatureGroup.prototype.verifySignatures = function (checker) {
            var len = 0;
            if(this.signatures && ((len = this.signatures.length) > 0)) {
                for(var i = 0; i < len; i++) {
                    for(var j = i + 1; j < len; j++) {
                        if(this.signatures[i].declAST && this.signatures[j].declAST && (!TypeScript.hasFlag(this.signatures[i].declAST.fncFlags, TypeScript.FncFlags.Definition) && !TypeScript.hasFlag(this.signatures[j].declAST.fncFlags, TypeScript.FncFlags.Definition)) && checker.signaturesAreIdentical(this.signatures[i], this.signatures[j])) {
                            checker.errorReporter.simpleError(this.signatures[i].declAST, (this.signatures[i].declAST && this.signatures[i].declAST.name) ? "Signature for '" + this.signatures[i].declAST.name.text + "' is duplicated" : "Signature is duplicated");
                        }
                    }
                    if(this.definitionSignature) {
                        if(!checker.signatureIsAssignableToTarget(this.definitionSignature, this.signatures[i])) {
                            checker.errorReporter.simpleError(this.signatures[i].declAST, "Overload signature is not compatible with function definition");
                        }
                    }
                }
            }
        };
        SignatureGroup.prototype.typeCheck = function (checker, ast, hasConstruct) {
            if(this.hasBeenTypechecked) {
                return;
            }
            this.hasBeenTypechecked = true;
            var len = 0;
            if(this.signatures && ((len = this.signatures.length) > 0)) {
                for(var i = 0; i < len; i++) {
                    if(!hasConstruct && !this.definitionSignature && this.signatures[i].declAST && this.signatures[i].declAST.isOverload && !TypeScript.hasFlag(this.signatures[i].declAST.fncFlags, TypeScript.FncFlags.Ambient)) {
                        checker.errorReporter.simpleError(this.signatures[i].declAST, "Overload declaration lacks definition");
                    }
                    if(this.signatures[i].declAST && this.signatures[i].declAST.isConstructor && this.signatures[i].declAST.classDecl && this.signatures[i].declAST.classDecl.type.symbol.typeCheckStatus == TypeScript.TypeCheckStatus.NotStarted) {
                        checker.typeFlow.typeCheck(this.signatures[i].declAST.classDecl);
                    }
                    checker.typeFlow.typeCheck(this.signatures[i].declAST);
                }
                this.verifySignatures(checker);
            }
        };
        return SignatureGroup;
    })();
    TypeScript.SignatureGroup = SignatureGroup;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    (function (TypeCheckStatus) {
        TypeCheckStatus._map = [];
        TypeCheckStatus._map[0] = "NotStarted";
        TypeCheckStatus.NotStarted = 0;
        TypeCheckStatus._map[1] = "Started";
        TypeCheckStatus.Started = 1;
        TypeCheckStatus._map[2] = "Finished";
        TypeCheckStatus.Finished = 2;
    })(TypeScript.TypeCheckStatus || (TypeScript.TypeCheckStatus = {}));
    var TypeCheckStatus = TypeScript.TypeCheckStatus;

    function aLexicallyEnclosesB(a, b) {
        if(a.declAST && b && b.declAST && a.declAST.nodeType == TypeScript.NodeType.FuncDecl) {
            return a.declAST.minChar <= b.declAST.minChar && a.declAST.limChar >= b.declAST.limChar;
        } else {
            return false;
        }
    }
    TypeScript.aLexicallyEnclosesB = aLexicallyEnclosesB;
    function aEnclosesB(a, b) {
        while(a.container) {
            if(a == b || aLexicallyEnclosesB(a.container, b)) {
                return true;
            }
            a = a.container;
        }
        return false;
    }
    TypeScript.aEnclosesB = aEnclosesB;
    var Symbol = (function () {
        function Symbol(name, location, unitIndex) {
            this.name = name;
            this.location = location;
            this.unitIndex = unitIndex;
            this.bound = false;
            this.flags = TypeScript.SymbolFlags.None;
            this.isObjectLitField = false;
            this.declAST = null;
            this.declModule = null;
            this.passSymbolCreated = TypeScript.CompilerDiagnostics.analysisPass;
        }
        Symbol.prototype.instanceScope = function () {
            return null;
        };
        Symbol.prototype.isVariable = function () {
            return false;
        };
        Symbol.prototype.isMember = function () {
            return false;
        };
        Symbol.prototype.isInferenceSymbol = function () {
            return false;
        };
        Symbol.prototype.isWith = function () {
            return false;
        };
        Symbol.prototype.writeable = function () {
            return false;
        };
        Symbol.prototype.isType = function () {
            return false;
        };
        Symbol.prototype.getType = function () {
            return null;
        };
        Symbol.prototype.isAccessor = function () {
            return false;
        };
        Symbol.prototype.isInstanceProperty = function () {
            return TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Property) && (!TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.ModuleMember));
        };
        Symbol.prototype.getTypeName = function (scope) {
            return this.toString();
        };
        Symbol.prototype.getOptionalNameString = function () {
            return TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Optional) ? "?" : "";
        };
        Symbol.prototype.pathToRoot = function () {
            var path = new Array();
            var node = this;
            while(node && (node.name != TypeScript.globalId)) {
                path[path.length] = node;
                node = node.container;
            }
            return path;
        };
        Symbol.prototype.findCommonAncestorPath = function (b) {
            if(this.container == null) {
                return new Array();
            }
            var aPath = this.container.pathToRoot();
            var bPath;
            if(b) {
                bPath = b.pathToRoot();
            } else {
                bPath = new Array();
            }
            var commonNodeIndex = -1;
            for(var i = 0, aLen = aPath.length; i < aLen; i++) {
                var aNode = aPath[i];
                for(var j = 0, bLen = bPath.length; j < bLen; j++) {
                    var bNode = bPath[j];
                    if(aNode == bNode) {
                        commonNodeIndex = i;
                        break;
                    }
                }
                if(commonNodeIndex >= 0) {
                    break;
                }
            }
            if(commonNodeIndex >= 0) {
                return aPath.slice(0, commonNodeIndex);
            } else {
                return aPath;
            }
        };
        Symbol.prototype.scopeRelativeName = function (scope) {
            if(scope == null) {
                return this.name;
            }
            var lca = this.findCommonAncestorPath(scope.container);
            var builder = "";
            for(var i = 0, len = lca.length; i < len; i++) {
                builder = lca[i].name + "." + builder;
            }
            builder += this.name;
            return builder;
        };
        Symbol.prototype.fullName = function () {
            var builder = this.name;
            var ancestor = this.container;
            while(ancestor && (ancestor.name != TypeScript.globalId)) {
                builder = ancestor.name + "." + builder;
                ancestor = ancestor.container;
            }
            return builder;
        };
        Symbol.prototype.visible = function (scope, checker) {
            if(checker == null || this.container == checker.gloMod) {
                return true;
            }
            if(TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.ModuleMember)) {
                if(TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Exported)) {
                    if(!TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Private)) {
                        return true;
                    } else {
                        return aEnclosesB(this, scope.container);
                    }
                } else {
                    return checker && (checker.currentModDecl == this.declModule) || (checker.currentModDecl && checker.currentModDecl.mod && checker.currentModDecl.mod.symbol && this.declModule && this.declModule.mod && this.declModule.mod.symbol && aEnclosesB(checker.currentModDecl.mod.symbol, this.declModule.mod.symbol));
                }
            } else {
                var isFunction = this.declAST && this.declAST.nodeType == TypeScript.NodeType.FuncDecl;
                var isMethod = isFunction && (this.declAST).isMethod();
                var isStaticFunction = isFunction && TypeScript.hasFlag((this.declAST).fncFlags, TypeScript.FncFlags.Static);
                var isPrivateMethod = isMethod && TypeScript.hasFlag((this.declAST).fncFlags, TypeScript.FncFlags.Private);
                var isAlias = this.isType() && (this).aliasLink;
                if(this.isMember() || isMethod || isStaticFunction || isAlias) {
                    if(TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Private) || isPrivateMethod) {
                        if(scope.container == null && this.container != scope.container) {
                            return false;
                        } else {
                            return this.container == null ? true : aEnclosesB(scope.container, this.container);
                        }
                    } else {
                        return true;
                    }
                } else {
                    if(this.container) {
                        return aEnclosesB(this, scope.container);
                    } else {
                        return true;
                    }
                }
            }
        };
        Symbol.prototype.addRef = function (identifier) {
            if(!this.refs) {
                this.refs = [];
            }
            this.refs[this.refs.length] = identifier;
        };
        Symbol.prototype.toString = function () {
            if(this.name) {
                return this.name;
            } else {
                return "_anonymous";
            }
        };
        Symbol.prototype.print = function (outfile) {
            outfile.Write(this.toString());
        };
        Symbol.prototype.specializeType = function (pattern, replacement, checker) {
            throw new Error("please implement in derived class");
        };
        Symbol.prototype.setType = function (type) {
            throw new Error("please implement in derived class");
        };
        Symbol.prototype.kind = function () {
            throw new Error("please implement in derived class");
        };
        return Symbol;
    })();
    TypeScript.Symbol = Symbol;    
    var ValueLocation = (function () {
        function ValueLocation() { }
        return ValueLocation;
    })();
    TypeScript.ValueLocation = ValueLocation;    
    var InferenceSymbol = (function (_super) {
        __extends(InferenceSymbol, _super);
        function InferenceSymbol(name, location, unitIndex) {
                _super.call(this, name, location, unitIndex);
            this.typeCheckStatus = TypeCheckStatus.NotStarted;
        }
        InferenceSymbol.prototype.isInferenceSymbol = function () {
            return true;
        };
        InferenceSymbol.prototype.transferVarFlags = function (varFlags) {
            if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Ambient)) {
                this.flags |= TypeScript.SymbolFlags.Ambient;
            }
            if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Constant)) {
                this.flags |= TypeScript.SymbolFlags.Constant;
            }
            if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Static)) {
                this.flags |= TypeScript.SymbolFlags.Static;
            }
            if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Property)) {
                this.flags |= TypeScript.SymbolFlags.Property;
            }
            if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Private)) {
                this.flags |= TypeScript.SymbolFlags.Private;
            }
            if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Public)) {
                this.flags |= TypeScript.SymbolFlags.Public;
            }
            if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Readonly)) {
                this.flags |= TypeScript.SymbolFlags.Readonly;
            }
            if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Exported)) {
                this.flags |= TypeScript.SymbolFlags.Exported;
            }
        };
        return InferenceSymbol;
    })(Symbol);
    TypeScript.InferenceSymbol = InferenceSymbol;    
    var TypeSymbol = (function (_super) {
        __extends(TypeSymbol, _super);
        function TypeSymbol(locName, location, unitIndex, type) {
                _super.call(this, locName, location, unitIndex);
            this.type = type;
            this.expansions = [];
            this.isMethod = false;
            this.aliasLink = null;
            this.onlyReferencedAsTypeRef = TypeScript.optimizeModuleCodeGen;
            this.prettyName = this.name;
        }
        TypeSymbol.prototype.addLocation = function (loc) {
            if(this.additionalLocations == null) {
                this.additionalLocations = [];
            }
            this.additionalLocations[this.additionalLocations.length] = loc;
        };
        TypeSymbol.prototype.kind = function () {
            return TypeScript.SymbolKind.Type;
        };
        TypeSymbol.prototype.isType = function () {
            return true;
        };
        TypeSymbol.prototype.getType = function () {
            return this.type;
        };
        TypeSymbol.prototype.getTypeName = function (scope) {
            return this.type.getMemberTypeName(this.name ? this.name + this.getOptionalNameString() : "", false, false, scope);
        };
        TypeSymbol.prototype.instanceScope = function () {
            if(!(this.type.typeFlags & TypeScript.TypeFlags.IsClass) && this.type.isClass()) {
                return this.type.instanceType.constructorScope;
            } else {
                return this.type.containedScope;
            }
        };
        TypeSymbol.prototype.toString = function () {
            var result = this.type.getTypeName();
            if(this.name) {
                result = this.name + ":" + result;
            }
            return result;
        };
        TypeSymbol.prototype.isClass = function () {
            return this.instanceType != null;
        };
        TypeSymbol.prototype.isFunction = function () {
            return this.declAST != null && this.declAST.nodeType == TypeScript.NodeType.FuncDecl;
        };
        TypeSymbol.prototype.specializeType = function (pattern, replacement, checker) {
            if(this.type == pattern) {
                return replacement.symbol;
            } else {
                var replType = this.type.specializeType(pattern, replacement, checker, false);
                if(replType != this.type) {
                    var result = new TypeSymbol(this.name, 0, -1, replType);
                    return result;
                } else {
                    return this;
                }
            }
        };
        TypeSymbol.prototype.scopeRelativeName = function (scope) {
            if(scope == null) {
                return this.prettyName + this.getOptionalNameString();
            }
            var lca = this.findCommonAncestorPath(scope.container);
            var builder = "";
            for(var i = 0, len = lca.length; i < len; i++) {
                var prettyName = (lca[i].kind() == TypeScript.SymbolKind.Type ? (lca[i]).prettyName : lca[i].name);
                builder = prettyName + "." + builder;
            }
            builder += this.prettyName + this.getOptionalNameString();
            return builder;
        };
        return TypeSymbol;
    })(InferenceSymbol);
    TypeScript.TypeSymbol = TypeSymbol;    
    var WithSymbol = (function (_super) {
        __extends(WithSymbol, _super);
        function WithSymbol(location, unitIndex, withType) {
                _super.call(this, "with", location, unitIndex, withType);
        }
        WithSymbol.prototype.isWith = function () {
            return true;
        };
        return WithSymbol;
    })(TypeSymbol);
    TypeScript.WithSymbol = WithSymbol;    
    var FieldSymbol = (function (_super) {
        __extends(FieldSymbol, _super);
        function FieldSymbol(name, location, unitIndex, canWrite, field) {
                _super.call(this, name, location, unitIndex);
            this.canWrite = canWrite;
            this.field = field;
            this.getter = null;
            this.setter = null;
            this.hasBeenEmitted = false;
            this.name = name;
            this.location = location;
        }
        FieldSymbol.prototype.kind = function () {
            return TypeScript.SymbolKind.Field;
        };
        FieldSymbol.prototype.writeable = function () {
            return this.isAccessor() ? this.setter != null : this.canWrite;
        };
        FieldSymbol.prototype.getType = function () {
            return this.field.typeLink.type;
        };
        FieldSymbol.prototype.getTypeName = function (scope) {
            return this.name + this.getOptionalNameString() + ": " + this.field.typeLink.type.getMemberTypeName("", true, false, scope);
        };
        FieldSymbol.prototype.isMember = function () {
            return true;
        };
        FieldSymbol.prototype.setType = function (type) {
            this.field.typeLink.type = type;
        };
        FieldSymbol.prototype.isAccessor = function () {
            return this.getter != null || this.setter != null;
        };
        FieldSymbol.prototype.isVariable = function () {
            return true;
        };
        FieldSymbol.prototype.toString = function () {
            return this.name + this.getOptionalNameString() + ":" + this.field.typeLink.type.getTypeName();
        };
        FieldSymbol.prototype.specializeType = function (pattern, replacement, checker) {
            var rType = this.field.typeLink.type.specializeType(pattern, replacement, checker, false);
            if(rType != this.field.typeLink.type) {
                var fieldDef = new ValueLocation();
                var result = new FieldSymbol(this.name, 0, checker.locationInfo.unitIndex, this.canWrite, fieldDef);
                result.flags = this.flags;
                fieldDef.symbol = result;
                fieldDef.typeLink = new TypeScript.TypeLink();
                result.setType(rType);
                result.typeCheckStatus = TypeCheckStatus.Finished;
                return result;
            } else {
                return this;
            }
        };
        return FieldSymbol;
    })(InferenceSymbol);
    TypeScript.FieldSymbol = FieldSymbol;    
    var ParameterSymbol = (function (_super) {
        __extends(ParameterSymbol, _super);
        function ParameterSymbol(name, location, unitIndex, parameter) {
                _super.call(this, name, location, unitIndex);
            this.parameter = parameter;
            this.argsOffset = (-1);
            this.name = name;
            this.location = location;
        }
        ParameterSymbol.prototype.kind = function () {
            return TypeScript.SymbolKind.Parameter;
        };
        ParameterSymbol.prototype.writeable = function () {
            return true;
        };
        ParameterSymbol.prototype.getType = function () {
            return this.parameter.typeLink.type;
        };
        ParameterSymbol.prototype.setType = function (type) {
            this.parameter.typeLink.type = type;
        };
        ParameterSymbol.prototype.isVariable = function () {
            return true;
        };
        ParameterSymbol.prototype.isOptional = function () {
            if(this.parameter && this.parameter.symbol && this.parameter.symbol.declAST) {
                return (this.parameter.symbol.declAST).isOptional;
            } else {
                return false;
            }
        };
        ParameterSymbol.prototype.getTypeName = function (scope) {
            return this.name + (this.isOptional() ? "?" : "") + ":" + this.getType().getMemberTypeName("", false, false, scope);
        };
        ParameterSymbol.prototype.toString = function () {
            return this.name + (this.isOptional() ? "?" : "") + ":" + this.getType().getTypeName();
        };
        ParameterSymbol.prototype.specializeType = function (pattern, replacement, checker) {
            var rType = this.parameter.typeLink.type.specializeType(pattern, replacement, checker, false);
            if(this.parameter.typeLink.type != rType) {
                var paramDef = new ValueLocation();
                var result = new ParameterSymbol(this.name, 0, checker.locationInfo.unitIndex, paramDef);
                paramDef.symbol = result;
                result.setType(rType);
                return result;
            } else {
                return this;
            }
        };
        return ParameterSymbol;
    })(InferenceSymbol);
    TypeScript.ParameterSymbol = ParameterSymbol;    
    var VariableSymbol = (function (_super) {
        __extends(VariableSymbol, _super);
        function VariableSymbol(name, location, unitIndex, variable) {
                _super.call(this, name, location, unitIndex);
            this.variable = variable;
        }
        VariableSymbol.prototype.kind = function () {
            return TypeScript.SymbolKind.Variable;
        };
        VariableSymbol.prototype.writeable = function () {
            return true;
        };
        VariableSymbol.prototype.getType = function () {
            return this.variable.typeLink.type;
        };
        VariableSymbol.prototype.getTypeName = function (scope) {
            return this.name + ":" + this.getType().getMemberTypeName("", false, false, scope);
        };
        VariableSymbol.prototype.setType = function (type) {
            this.variable.typeLink.type = type;
        };
        VariableSymbol.prototype.isVariable = function () {
            return true;
        };
        return VariableSymbol;
    })(InferenceSymbol);
    TypeScript.VariableSymbol = VariableSymbol;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var ScopedMembers = (function () {
        function ScopedMembers(dualMembers) {
            this.dualMembers = dualMembers;
            this.allMembers = this.dualMembers;
            this.publicMembers = this.dualMembers.primaryTable;
            this.privateMembers = this.dualMembers.secondaryTable;
        }
        ScopedMembers.prototype.addPublicMember = function (key, data) {
            return this.dualMembers.primaryTable.add(key, data);
        };
        ScopedMembers.prototype.addPrivateMember = function (key, data) {
            return this.dualMembers.secondaryTable.add(key, data);
        };
        return ScopedMembers;
    })();
    TypeScript.ScopedMembers = ScopedMembers;    
    (function (SymbolKind) {
        SymbolKind._map = [];
        SymbolKind._map[0] = "None";
        SymbolKind.None = 0;
        SymbolKind._map[1] = "Type";
        SymbolKind.Type = 1;
        SymbolKind._map[2] = "Field";
        SymbolKind.Field = 2;
        SymbolKind._map[3] = "Parameter";
        SymbolKind.Parameter = 3;
        SymbolKind._map[4] = "Variable";
        SymbolKind.Variable = 4;
    })(TypeScript.SymbolKind || (TypeScript.SymbolKind = {}));
    var SymbolKind = TypeScript.SymbolKind;

    var SymbolScope = (function () {
        function SymbolScope(container) {
            this.container = container;
        }
        SymbolScope.prototype.printLabel = function () {
            return "base";
        };
        SymbolScope.prototype.getAllSymbolNames = function (members) {
            return [
                "please", 
                "implement", 
                "in", 
                "derived", 
                "classes"
            ];
        };
        SymbolScope.prototype.getAllTypeSymbolNames = function (members) {
            return [
                "please", 
                "implement", 
                "in", 
                "derived", 
                "classes"
            ];
        };
        SymbolScope.prototype.getAllValueSymbolNames = function (members) {
            return [
                "please", 
                "implement", 
                "in", 
                "derived", 
                "classes"
            ];
        };
        SymbolScope.prototype.search = function (filter, name, publicOnly, typespace) {
            return null;
        };
        SymbolScope.prototype.findLocal = function (name, publicOnly, typespace) {
            return null;
        };
        SymbolScope.prototype.find = function (name, publicOnly, typespace) {
            return null;
        };
        SymbolScope.prototype.findImplementation = function (name, publicOnly, typespace) {
            return null;
        };
        SymbolScope.prototype.findAmbient = function (name, publicOnly, typespace) {
            return null;
        };
        SymbolScope.prototype.print = function (outfile) {
            if(this.container) {
                outfile.WriteLine(this.printLabel() + " scope with container: " + this.container.name + "...");
            } else {
                outfile.WriteLine(this.printLabel() + " scope...");
            }
        };
        SymbolScope.prototype.enter = function (container, ast, symbol, errorReporter, publicOnly, typespace, ambient) {
            throw new Error("please implement in derived class");
        };
        SymbolScope.prototype.getTable = function () {
            throw new Error("please implement in derived class");
        };
        return SymbolScope;
    })();
    TypeScript.SymbolScope = SymbolScope;    
    function symbolCanBeUsed(sym, publicOnly) {
        return publicOnly ? !(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Private) || (sym.declAST && sym.declAST.nodeType == TypeScript.NodeType.FuncDecl && TypeScript.hasFlag((sym.declAST).fncFlags, TypeScript.FncFlags.Private))) : true;
    }
    var SymbolAggregateScope = (function (_super) {
        __extends(SymbolAggregateScope, _super);
        function SymbolAggregateScope(container) {
                _super.call(this, container);
            this.valueCache = null;
            this.valueImplCache = null;
            this.valueAmbientCache = null;
            this.typeCache = null;
            this.typeImplCache = null;
            this.typeAmbientCache = null;
            this.parents = null;
            this.container = container;
        }
        SymbolAggregateScope.prototype.printLabel = function () {
            return "agg";
        };
        SymbolAggregateScope.prototype.search = function (filter, name, publicOnly, typespace) {
            if(this.parents) {
                for(var i = 0; i < this.parents.length; i++) {
                    var sym = this.parents[i].search(filter, name, publicOnly, typespace);
                    if(sym) {
                        if(filter.update(sym)) {
                            return sym;
                        }
                    }
                }
            }
            return filter.result;
        };
        SymbolAggregateScope.prototype.getAllSymbolNames = function (members) {
            var result = [];
            if(this.parents) {
                for(var i = 0; i < this.parents.length; i++) {
                    var parentResult = this.parents[i].getAllSymbolNames(members);
                    if(parentResult) {
                        result = result.concat(parentResult);
                    }
                }
            }
            return result;
        };
        SymbolAggregateScope.prototype.getAllTypeSymbolNames = function (members) {
            var result = [];
            if(this.parents) {
                for(var i = 0; i < this.parents.length; i++) {
                    var parentResult = this.parents[i].getAllTypeSymbolNames(members);
                    if(parentResult) {
                        result = result.concat(parentResult);
                    }
                }
            }
            return result;
        };
        SymbolAggregateScope.prototype.getAllValueSymbolNames = function (members) {
            var result = [];
            if(this.parents) {
                for(var i = 0; i < this.parents.length; i++) {
                    var parentResult = this.parents[i].getAllValueSymbolNames(members);
                    if(parentResult) {
                        result = result.concat(parentResult);
                    }
                }
            }
            return result;
        };
        SymbolAggregateScope.prototype.print = function (outfile) {
            _super.prototype.print.call(this, outfile);
            if(this.parents) {
                for(var i = 0; i < this.parents.length; i++) {
                    this.parents[i].print(outfile);
                }
            }
        };
        SymbolAggregateScope.prototype.findImplementation = function (name, publicOnly, typespace) {
            var sym = null;
            var i = 0;
            var implCache = this.valueImplCache;
            if(typespace) {
                implCache = this.typeImplCache;
            }
            if(implCache && ((sym = implCache.lookup(name)) != null) && (publicOnly ? !(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Private) || (sym.declAST && sym.declAST.nodeType == TypeScript.NodeType.FuncDecl && TypeScript.hasFlag((sym.declAST).fncFlags, TypeScript.FncFlags.Private))) : true)) {
                return sym;
            }
            if(this.parents) {
                for(i = 0; i < this.parents.length; i++) {
                    sym = this.parents[i].findImplementation(name, publicOnly, typespace);
                    if(sym) {
                        break;
                    }
                }
            }
            if(implCache) {
                if(typespace) {
                    this.typeImplCache = new TypeScript.StringHashTable();
                    implCache = this.typeImplCache;
                } else {
                    this.valueImplCache = new TypeScript.StringHashTable();
                    implCache = this.valueImplCache;
                }
            }
            implCache.add(name, sym);
            return sym;
        };
        SymbolAggregateScope.prototype.find = function (name, publicOnly, typespace) {
            var sym = null;
            var i = 0;
            var cache = this.valueCache;
            if(typespace) {
                cache = this.typeCache;
            }
            if(cache && ((sym = cache.lookup(name)) != null) && (publicOnly ? !(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Private) || (sym.declAST && sym.declAST.nodeType == TypeScript.NodeType.FuncDecl && TypeScript.hasFlag((sym.declAST).fncFlags, TypeScript.FncFlags.Private))) : true)) {
                return sym;
            }
            if(this.parents) {
                for(i = 0; i < this.parents.length; i++) {
                    sym = this.parents[i].find(name, publicOnly, typespace);
                    if(sym) {
                        break;
                    }
                }
            }
            if(cache == null) {
                if(typespace) {
                    this.typeCache = new TypeScript.StringHashTable();
                    cache = this.typeCache;
                } else {
                    this.valueCache = new TypeScript.StringHashTable();
                    cache = this.valueCache;
                }
            }
            cache.add(name, sym);
            return sym;
        };
        SymbolAggregateScope.prototype.findAmbient = function (name, publicOnly, typespace) {
            var sym = null;
            var i = 0;
            var cache = this.valueAmbientCache;
            if(typespace) {
                cache = this.typeAmbientCache;
            }
            if(cache && ((sym = cache.lookup(name)) != null)) {
                return sym;
            }
            if(this.parents) {
                for(i = 0; i < this.parents.length; i++) {
                    sym = this.parents[i].findAmbient(name, publicOnly, typespace);
                    if(sym) {
                        break;
                    }
                }
            }
            if(cache == null) {
                if(typespace) {
                    this.typeAmbientCache = new TypeScript.StringHashTable();
                    cache = this.typeAmbientCache;
                } else {
                    this.valueAmbientCache = new TypeScript.StringHashTable();
                    cache = this.valueAmbientCache;
                }
            }
            cache.add(name, sym);
            return sym;
        };
        SymbolAggregateScope.prototype.addParentScope = function (parent) {
            if(this.parents == null) {
                this.parents = new Array();
            }
            this.parents[this.parents.length] = parent;
        };
        return SymbolAggregateScope;
    })(SymbolScope);
    TypeScript.SymbolAggregateScope = SymbolAggregateScope;    
    var SymbolTableScope = (function (_super) {
        __extends(SymbolTableScope, _super);
        function SymbolTableScope(valueMembers, ambientValueMembers, enclosedTypes, ambientEnclosedTypes, container) {
                _super.call(this, container);
            this.valueMembers = valueMembers;
            this.ambientValueMembers = ambientValueMembers;
            this.enclosedTypes = enclosedTypes;
            this.ambientEnclosedTypes = ambientEnclosedTypes;
            this.container = container;
        }
        SymbolTableScope.prototype.printLabel = function () {
            return "table";
        };
        SymbolTableScope.prototype.getAllSymbolNames = function (members) {
            var result = this.getAllTypeSymbolNames(members);
            return result.concat(this.getAllValueSymbolNames(members));
        };
        SymbolTableScope.prototype.getAllTypeSymbolNames = function (members) {
            var result = [];
            if(this.ambientEnclosedTypes) {
                result = result.concat(this.ambientEnclosedTypes.allMembers.getAllKeys());
            }
            if(this.enclosedTypes) {
                result = result.concat(this.enclosedTypes.allMembers.getAllKeys());
            }
            return result;
        };
        SymbolTableScope.prototype.getAllValueSymbolNames = function (members) {
            var result = [];
            if(this.ambientValueMembers) {
                result = result.concat(this.ambientValueMembers.allMembers.getAllKeys());
            }
            if(this.valueMembers) {
                result = result.concat(this.valueMembers.allMembers.getAllKeys());
            }
            return result;
        };
        SymbolTableScope.prototype.search = function (filter, name, publicOnly, typespace) {
            var sym = this.find(name, publicOnly, typespace);
            filter.update(sym);
            return filter.result;
        };
        SymbolTableScope.prototype.find = function (name, publicOnly, typespace) {
            var table = null;
            var ambientTable = null;
            if(typespace) {
                table = (this.enclosedTypes == null) ? null : publicOnly ? this.enclosedTypes.publicMembers : this.enclosedTypes.allMembers;
                ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
            } else {
                table = (this.valueMembers == null) ? null : publicOnly ? this.valueMembers.publicMembers : this.valueMembers.allMembers;
                ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
            }
            if(ambientTable) {
                var s = ambientTable.lookup(name);
                if(s) {
                    return s;
                }
            }
            if(table) {
                var s = table.lookup(name);
                if(s) {
                    return s;
                }
            }
            return null;
        };
        SymbolTableScope.prototype.findAmbient = function (name, publicOnly, typespace) {
            var ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
            if(typespace) {
                ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
            }
            if(ambientTable) {
                var s = ambientTable.lookup(name);
                if(s) {
                    return s;
                }
            }
            return null;
        };
        SymbolTableScope.prototype.print = function (outfile) {
            _super.prototype.print.call(this, outfile);
            if(this.ambientValueMembers) {
                this.ambientValueMembers.allMembers.map(function (key, sym, context) {
                    outfile.WriteLine("  " + key);
                }, null);
            }
            if(this.valueMembers) {
                this.valueMembers.allMembers.map(function (key, sym, context) {
                    outfile.WriteLine("  " + key);
                }, null);
            }
            if(this.ambientEnclosedTypes) {
                this.ambientEnclosedTypes.allMembers.map(function (key, sym, context) {
                    outfile.WriteLine("  " + key);
                }, null);
            }
            if(this.enclosedTypes) {
                this.enclosedTypes.allMembers.map(function (key, sym, context) {
                    outfile.WriteLine("  " + key);
                }, null);
            }
        };
        SymbolTableScope.prototype.findImplementation = function (name, publicOnly, typespace) {
            var sym = this.find(name, publicOnly, typespace);
            if(sym) {
                if(sym.kind() == SymbolKind.Type) {
                    var typeSym = sym;
                    if(!typeSym.type.hasImplementation()) {
                        sym = null;
                    }
                } else {
                    if(sym.container) {
                        if(sym.container.kind() == SymbolKind.Type) {
                            var ctypeSym = sym.container;
                            if(!ctypeSym.type.hasImplementation()) {
                                sym = null;
                            }
                        }
                    }
                }
            }
            return sym;
        };
        SymbolTableScope.prototype.getTable = function () {
            return this.valueMembers.publicMembers;
        };
        return SymbolTableScope;
    })(SymbolScope);
    TypeScript.SymbolTableScope = SymbolTableScope;    
    var SymbolScopeBuilder = (function (_super) {
        __extends(SymbolScopeBuilder, _super);
        function SymbolScopeBuilder(valueMembers, ambientValueMembers, enclosedTypes, ambientEnclosedTypes, parent, container) {
                _super.call(this, container);
            this.valueMembers = valueMembers;
            this.ambientValueMembers = ambientValueMembers;
            this.enclosedTypes = enclosedTypes;
            this.ambientEnclosedTypes = ambientEnclosedTypes;
            this.parent = parent;
            this.container = container;
        }
        SymbolScopeBuilder.prototype.printLabel = function () {
            return "builder";
        };
        SymbolScopeBuilder.prototype.getAllSymbolNames = function (members) {
            var result = this.getAllTypeSymbolNames(members);
            return result.concat(this.getAllValueSymbolNames(members));
        };
        SymbolScopeBuilder.prototype.getAllTypeSymbolNames = function (members) {
            var result = [];
            if(this.ambientEnclosedTypes) {
                result = result.concat(this.ambientEnclosedTypes.allMembers.getAllKeys());
            }
            if(this.enclosedTypes) {
                result = result.concat(this.enclosedTypes.allMembers.getAllKeys());
            }
            if(!members && this.parent) {
                var parentResult = this.parent.getAllTypeSymbolNames(members);
                if(parentResult) {
                    result = result.concat(parentResult);
                }
            }
            return result;
        };
        SymbolScopeBuilder.prototype.getAllValueSymbolNames = function (members) {
            var result = [];
            if(this.ambientValueMembers) {
                result = result.concat(this.ambientValueMembers.allMembers.getAllKeys());
            }
            if(this.valueMembers) {
                result = result.concat(this.valueMembers.allMembers.getAllKeys());
            }
            if(!members && this.parent) {
                var parentResult = this.parent.getAllValueSymbolNames(members);
                if(parentResult) {
                    result = result.concat(parentResult);
                }
            }
            return result;
        };
        SymbolScopeBuilder.prototype.search = function (filter, name, publicOnly, typespace) {
            var sym = null;
            var table = (this.valueMembers == null) ? null : publicOnly ? this.valueMembers.publicMembers : this.valueMembers.allMembers;
            var ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
            if(typespace) {
                table = (this.enclosedTypes == null) ? null : publicOnly ? this.enclosedTypes.publicMembers : this.enclosedTypes.allMembers;
                ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
            }
            if(ambientTable) {
                if((sym = ambientTable.lookup(name)) != null) {
                    if(filter.update(sym)) {
                        return sym;
                    }
                }
            }
            if(table) {
                if((sym = table.lookup(name)) != null) {
                    if(filter.update(sym)) {
                        return sym;
                    }
                }
            }
            if(this.parent) {
                sym = this.parent.search(filter, name, publicOnly, typespace);
                if(sym) {
                    if(filter.update(sym)) {
                        return sym;
                    }
                }
            }
            return filter.result;
        };
        SymbolScopeBuilder.prototype.print = function (outfile) {
            _super.prototype.print.call(this, outfile);
            if(this.ambientValueMembers) {
                this.ambientValueMembers.allMembers.map(function (key, s, context) {
                    var sym = s;
                    outfile.WriteLine("  " + key);
                }, null);
            }
            if(this.valueMembers) {
                this.valueMembers.allMembers.map(function (key, s, context) {
                    var sym = s;
                    outfile.WriteLine("  " + key);
                }, null);
            }
            if(this.ambientEnclosedTypes) {
                this.ambientEnclosedTypes.allMembers.map(function (key, s, context) {
                    var sym = s;
                    outfile.WriteLine("  " + key);
                }, null);
            }
            if(this.enclosedTypes) {
                this.enclosedTypes.allMembers.map(function (key, s, context) {
                    var sym = s;
                    outfile.WriteLine("  " + key);
                }, null);
            }
            if(this.parent) {
                this.parent.print(outfile);
            }
        };
        SymbolScopeBuilder.prototype.find = function (name, publicOnly, typespace) {
            var sym = null;
            var table = (this.valueMembers == null) ? null : publicOnly ? this.valueMembers.publicMembers : this.valueMembers.allMembers;
            var ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
            if(typespace) {
                table = (this.enclosedTypes == null) ? null : publicOnly ? this.enclosedTypes.publicMembers : this.enclosedTypes.allMembers;
                ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
            }
            if(ambientTable && ((sym = ambientTable.lookup(name)) != null)) {
                return sym;
            }
            if(table && ((sym = table.lookup(name)) != null)) {
                return sym;
            }
            if(this.parent) {
                return this.parent.find(name, publicOnly, typespace);
            }
            return null;
        };
        SymbolScopeBuilder.prototype.findAmbient = function (name, publicOnly, typespace) {
            var sym = null;
            var ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
            if(typespace) {
                ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
            }
            if(ambientTable && ((sym = ambientTable.lookup(name)) != null)) {
                return sym;
            }
            if(this.parent) {
                return this.parent.findAmbient(name, publicOnly, typespace);
            }
            return null;
        };
        SymbolScopeBuilder.prototype.findLocal = function (name, publicOnly, typespace) {
            var sym = null;
            var table = (this.valueMembers == null) ? null : publicOnly ? this.valueMembers.publicMembers : this.valueMembers.allMembers;
            var ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
            if(typespace) {
                table = (this.enclosedTypes == null) ? null : publicOnly ? this.enclosedTypes.publicMembers : this.enclosedTypes.allMembers;
                ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
            }
            if(table) {
                if((sym = table.lookup(name)) != null) {
                    if(sym) {
                        return sym;
                    }
                }
            }
            if(ambientTable) {
                if((sym = ambientTable.lookup(name)) != null) {
                    if(sym) {
                        return sym;
                    }
                }
            }
            return null;
        };
        SymbolScopeBuilder.prototype.enter = function (container, ast, symbol, errorReporter, insertAsPublic, typespace, ambient) {
            var table = null;
            if(ambient) {
                if(typespace) {
                    table = (this.ambientEnclosedTypes == null) ? null : insertAsPublic ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.privateMembers;
                } else {
                    table = (this.ambientValueMembers == null) ? null : insertAsPublic ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.privateMembers;
                }
            } else {
                if(typespace) {
                    table = (this.enclosedTypes == null) ? null : insertAsPublic ? this.enclosedTypes.publicMembers : this.enclosedTypes.privateMembers;
                } else {
                    table = (this.valueMembers == null) ? null : insertAsPublic ? this.valueMembers.publicMembers : this.valueMembers.privateMembers;
                }
            }
            if(table) {
                if(!table.add(symbol.name, symbol)) {
                    errorReporter.duplicateIdentifier(ast, symbol.name);
                }
            } else {
                TypeScript.CompilerDiagnostics.Alert("YYYYY");
            }
            symbol.container = container;
        };
        SymbolScopeBuilder.prototype.getTable = function () {
            return this.valueMembers.allMembers;
        };
        return SymbolScopeBuilder;
    })(SymbolScope);
    TypeScript.SymbolScopeBuilder = SymbolScopeBuilder;    
    var FilteredSymbolScope = (function (_super) {
        __extends(FilteredSymbolScope, _super);
        function FilteredSymbolScope(scope, container, filter) {
                _super.call(this, container);
            this.scope = scope;
            this.filter = filter;
        }
        FilteredSymbolScope.prototype.print = function (outfile) {
            this.scope.print(outfile);
        };
        FilteredSymbolScope.prototype.find = function (name, publicOnly, typespace) {
            this.filter.reset();
            return this.scope.search(this.filter, name, publicOnly, typespace);
        };
        FilteredSymbolScope.prototype.findLocal = function (name, publicOnly, typespace) {
            return this.scope.findLocal(name, publicOnly, typespace);
        };
        return FilteredSymbolScope;
    })(SymbolScope);
    TypeScript.FilteredSymbolScope = FilteredSymbolScope;    
    var FilteredSymbolScopeBuilder = (function (_super) {
        __extends(FilteredSymbolScopeBuilder, _super);
        function FilteredSymbolScopeBuilder(valueMembers, parent, container, filter) {
                _super.call(this, valueMembers, null, null, null, parent, container);
            this.filter = filter;
        }
        FilteredSymbolScopeBuilder.prototype.findLocal = function (name, publicOnly, typespace) {
            var sym = _super.prototype.findLocal.call(this, name, publicOnly, typespace);
            if(sym) {
                if(!this.filter(sym)) {
                    return null;
                }
            }
            return sym;
        };
        FilteredSymbolScopeBuilder.prototype.search = function (filter, name, publicOnly, typespace) {
            throw new Error("please implement");
        };
        FilteredSymbolScopeBuilder.prototype.find = function (name, publicOnly, typespace) {
            var sym = _super.prototype.findLocal.call(this, name, publicOnly, typespace);
            if(sym) {
                if(!this.filter(sym)) {
                    return null;
                }
            }
            return _super.prototype.find.call(this, name, publicOnly, typespace);
        };
        return FilteredSymbolScopeBuilder;
    })(SymbolScopeBuilder);
    TypeScript.FilteredSymbolScopeBuilder = FilteredSymbolScopeBuilder;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    (function (TokenID) {
        TokenID._map = [];
        TokenID._map[0] = "ANY";
        TokenID.ANY = 0;
        TokenID._map[1] = "BOOL";
        TokenID.BOOL = 1;
        TokenID._map[2] = "BREAK";
        TokenID.BREAK = 2;
        TokenID._map[3] = "CASE";
        TokenID.CASE = 3;
        TokenID._map[4] = "CATCH";
        TokenID.CATCH = 4;
        TokenID._map[5] = "CLASS";
        TokenID.CLASS = 5;
        TokenID._map[6] = "CONST";
        TokenID.CONST = 6;
        TokenID._map[7] = "CONTINUE";
        TokenID.CONTINUE = 7;
        TokenID._map[8] = "DEBUGGER";
        TokenID.DEBUGGER = 8;
        TokenID._map[9] = "DEFAULT";
        TokenID.DEFAULT = 9;
        TokenID._map[10] = "DELETE";
        TokenID.DELETE = 10;
        TokenID._map[11] = "DO";
        TokenID.DO = 11;
        TokenID._map[12] = "ELSE";
        TokenID.ELSE = 12;
        TokenID._map[13] = "ENUM";
        TokenID.ENUM = 13;
        TokenID._map[14] = "EXPORT";
        TokenID.EXPORT = 14;
        TokenID._map[15] = "EXTENDS";
        TokenID.EXTENDS = 15;
        TokenID._map[16] = "DECLARE";
        TokenID.DECLARE = 16;
        TokenID._map[17] = "FALSE";
        TokenID.FALSE = 17;
        TokenID._map[18] = "FINALLY";
        TokenID.FINALLY = 18;
        TokenID._map[19] = "FOR";
        TokenID.FOR = 19;
        TokenID._map[20] = "FUNCTION";
        TokenID.FUNCTION = 20;
        TokenID._map[21] = "CONSTRUCTOR";
        TokenID.CONSTRUCTOR = 21;
        TokenID._map[22] = "GET";
        TokenID.GET = 22;
        TokenID._map[23] = "IF";
        TokenID.IF = 23;
        TokenID._map[24] = "IMPLEMENTS";
        TokenID.IMPLEMENTS = 24;
        TokenID._map[25] = "IMPORT";
        TokenID.IMPORT = 25;
        TokenID._map[26] = "IN";
        TokenID.IN = 26;
        TokenID._map[27] = "INSTANCEOF";
        TokenID.INSTANCEOF = 27;
        TokenID._map[28] = "INTERFACE";
        TokenID.INTERFACE = 28;
        TokenID._map[29] = "LET";
        TokenID.LET = 29;
        TokenID._map[30] = "MODULE";
        TokenID.MODULE = 30;
        TokenID._map[31] = "NEW";
        TokenID.NEW = 31;
        TokenID._map[32] = "NUMBER";
        TokenID.NUMBER = 32;
        TokenID._map[33] = "NULL";
        TokenID.NULL = 33;
        TokenID._map[34] = "PACKAGE";
        TokenID.PACKAGE = 34;
        TokenID._map[35] = "PRIVATE";
        TokenID.PRIVATE = 35;
        TokenID._map[36] = "PROTECTED";
        TokenID.PROTECTED = 36;
        TokenID._map[37] = "PUBLIC";
        TokenID.PUBLIC = 37;
        TokenID._map[38] = "RETURN";
        TokenID.RETURN = 38;
        TokenID._map[39] = "SET";
        TokenID.SET = 39;
        TokenID._map[40] = "STATIC";
        TokenID.STATIC = 40;
        TokenID._map[41] = "STRING";
        TokenID.STRING = 41;
        TokenID._map[42] = "SUPER";
        TokenID.SUPER = 42;
        TokenID._map[43] = "SWITCH";
        TokenID.SWITCH = 43;
        TokenID._map[44] = "THIS";
        TokenID.THIS = 44;
        TokenID._map[45] = "THROW";
        TokenID.THROW = 45;
        TokenID._map[46] = "TRUE";
        TokenID.TRUE = 46;
        TokenID._map[47] = "TRY";
        TokenID.TRY = 47;
        TokenID._map[48] = "TYPEOF";
        TokenID.TYPEOF = 48;
        TokenID._map[49] = "VAR";
        TokenID.VAR = 49;
        TokenID._map[50] = "VOID";
        TokenID.VOID = 50;
        TokenID._map[51] = "WITH";
        TokenID.WITH = 51;
        TokenID._map[52] = "WHILE";
        TokenID.WHILE = 52;
        TokenID._map[53] = "YIELD";
        TokenID.YIELD = 53;
        TokenID._map[54] = "SColon";
        TokenID.SColon = 54;
        TokenID._map[55] = "LParen";
        TokenID.LParen = 55;
        TokenID._map[56] = "RParen";
        TokenID.RParen = 56;
        TokenID._map[57] = "LBrack";
        TokenID.LBrack = 57;
        TokenID._map[58] = "RBrack";
        TokenID.RBrack = 58;
        TokenID._map[59] = "LCurly";
        TokenID.LCurly = 59;
        TokenID._map[60] = "RCurly";
        TokenID.RCurly = 60;
        TokenID._map[61] = "Comma";
        TokenID.Comma = 61;
        TokenID._map[62] = "Asg";
        TokenID.Asg = 62;
        TokenID._map[63] = "AsgAdd";
        TokenID.AsgAdd = 63;
        TokenID._map[64] = "AsgSub";
        TokenID.AsgSub = 64;
        TokenID._map[65] = "AsgMul";
        TokenID.AsgMul = 65;
        TokenID._map[66] = "AsgDiv";
        TokenID.AsgDiv = 66;
        TokenID._map[67] = "AsgMod";
        TokenID.AsgMod = 67;
        TokenID._map[68] = "AsgAnd";
        TokenID.AsgAnd = 68;
        TokenID._map[69] = "AsgXor";
        TokenID.AsgXor = 69;
        TokenID._map[70] = "AsgOr";
        TokenID.AsgOr = 70;
        TokenID._map[71] = "AsgLsh";
        TokenID.AsgLsh = 71;
        TokenID._map[72] = "AsgRsh";
        TokenID.AsgRsh = 72;
        TokenID._map[73] = "AsgRs2";
        TokenID.AsgRs2 = 73;
        TokenID._map[74] = "QMark";
        TokenID.QMark = 74;
        TokenID._map[75] = "Colon";
        TokenID.Colon = 75;
        TokenID._map[76] = "LogOr";
        TokenID.LogOr = 76;
        TokenID._map[77] = "LogAnd";
        TokenID.LogAnd = 77;
        TokenID._map[78] = "Or";
        TokenID.Or = 78;
        TokenID._map[79] = "Xor";
        TokenID.Xor = 79;
        TokenID._map[80] = "And";
        TokenID.And = 80;
        TokenID._map[81] = "EQ";
        TokenID.EQ = 81;
        TokenID._map[82] = "NE";
        TokenID.NE = 82;
        TokenID._map[83] = "Eqv";
        TokenID.Eqv = 83;
        TokenID._map[84] = "NEqv";
        TokenID.NEqv = 84;
        TokenID._map[85] = "LT";
        TokenID.LT = 85;
        TokenID._map[86] = "LE";
        TokenID.LE = 86;
        TokenID._map[87] = "GT";
        TokenID.GT = 87;
        TokenID._map[88] = "GE";
        TokenID.GE = 88;
        TokenID._map[89] = "Lsh";
        TokenID.Lsh = 89;
        TokenID._map[90] = "Rsh";
        TokenID.Rsh = 90;
        TokenID._map[91] = "Rs2";
        TokenID.Rs2 = 91;
        TokenID._map[92] = "Add";
        TokenID.Add = 92;
        TokenID._map[93] = "Sub";
        TokenID.Sub = 93;
        TokenID._map[94] = "Mult";
        TokenID.Mult = 94;
        TokenID._map[95] = "Div";
        TokenID.Div = 95;
        TokenID._map[96] = "Pct";
        TokenID.Pct = 96;
        TokenID._map[97] = "Tilde";
        TokenID.Tilde = 97;
        TokenID._map[98] = "Bang";
        TokenID.Bang = 98;
        TokenID._map[99] = "Inc";
        TokenID.Inc = 99;
        TokenID._map[100] = "Dec";
        TokenID.Dec = 100;
        TokenID._map[101] = "Dot";
        TokenID.Dot = 101;
        TokenID._map[102] = "Ellipsis";
        TokenID.Ellipsis = 102;
        TokenID._map[103] = "Error";
        TokenID.Error = 103;
        TokenID._map[104] = "EOF";
        TokenID.EOF = 104;
        TokenID._map[105] = "Arrow";
        TokenID.Arrow = 105;
        TokenID._map[106] = "ID";
        TokenID.ID = 106;
        TokenID._map[107] = "QString";
        TokenID.QString = 107;
        TokenID._map[108] = "Regex";
        TokenID.Regex = 108;
        TokenID._map[109] = "NumberLit";
        TokenID.NumberLit = 109;
        TokenID._map[110] = "Whitespace";
        TokenID.Whitespace = 110;
        TokenID._map[111] = "Comment";
        TokenID.Comment = 111;
        TokenID._map[112] = "Lim";
        TokenID.Lim = 112;
        TokenID.LimFixed = TokenID.Arrow;
        TokenID.LimKeyword = TokenID.YIELD;
    })(TypeScript.TokenID || (TypeScript.TokenID = {}));
    var TokenID = TypeScript.TokenID;

    TypeScript.tokenTable = new Array();
    TypeScript.nodeTypeTable = new Array();
    TypeScript.nodeTypeToTokTable = new Array();
    TypeScript.noRegexTable = new Array();
    TypeScript.noRegexTable[TokenID.ID] = true;
    TypeScript.noRegexTable[TokenID.QString] = true;
    TypeScript.noRegexTable[TokenID.NumberLit] = true;
    TypeScript.noRegexTable[TokenID.Regex] = true;
    TypeScript.noRegexTable[TokenID.THIS] = true;
    TypeScript.noRegexTable[TokenID.Inc] = true;
    TypeScript.noRegexTable[TokenID.Dec] = true;
    TypeScript.noRegexTable[TokenID.RParen] = true;
    TypeScript.noRegexTable[TokenID.RBrack] = true;
    TypeScript.noRegexTable[TokenID.RCurly] = true;
    TypeScript.noRegexTable[TokenID.TRUE] = true;
    TypeScript.noRegexTable[TokenID.FALSE] = true;
    (function (OperatorPrecedence) {
        OperatorPrecedence._map = [];
        OperatorPrecedence._map[0] = "No";
        OperatorPrecedence.No = 0;
        OperatorPrecedence._map[1] = "Cma";
        OperatorPrecedence.Cma = 1;
        OperatorPrecedence._map[2] = "Asg";
        OperatorPrecedence.Asg = 2;
        OperatorPrecedence._map[3] = "Que";
        OperatorPrecedence.Que = 3;
        OperatorPrecedence._map[4] = "Lor";
        OperatorPrecedence.Lor = 4;
        OperatorPrecedence._map[5] = "Lan";
        OperatorPrecedence.Lan = 5;
        OperatorPrecedence._map[6] = "Bor";
        OperatorPrecedence.Bor = 6;
        OperatorPrecedence._map[7] = "Xor";
        OperatorPrecedence.Xor = 7;
        OperatorPrecedence._map[8] = "Ban";
        OperatorPrecedence.Ban = 8;
        OperatorPrecedence._map[9] = "Equ";
        OperatorPrecedence.Equ = 9;
        OperatorPrecedence._map[10] = "Cmp";
        OperatorPrecedence.Cmp = 10;
        OperatorPrecedence._map[11] = "Shf";
        OperatorPrecedence.Shf = 11;
        OperatorPrecedence._map[12] = "Add";
        OperatorPrecedence.Add = 12;
        OperatorPrecedence._map[13] = "Mul";
        OperatorPrecedence.Mul = 13;
        OperatorPrecedence._map[14] = "Uni";
        OperatorPrecedence.Uni = 14;
        OperatorPrecedence._map[15] = "Lim";
        OperatorPrecedence.Lim = 15;
    })(TypeScript.OperatorPrecedence || (TypeScript.OperatorPrecedence = {}));
    var OperatorPrecedence = TypeScript.OperatorPrecedence;

    (function (Reservation) {
        Reservation._map = [];
        Reservation.None = 0;
        Reservation.Javascript = 1;
        Reservation.JavascriptFuture = 2;
        Reservation.TypeScript = 4;
        Reservation.JavascriptFutureStrict = 8;
        Reservation.TypeScriptAndJS = Reservation.Javascript | Reservation.TypeScript;
        Reservation.TypeScriptAndJSFuture = Reservation.JavascriptFuture | Reservation.TypeScript;
        Reservation.TypeScriptAndJSFutureStrict = Reservation.JavascriptFutureStrict | Reservation.TypeScript;
    })(TypeScript.Reservation || (TypeScript.Reservation = {}));
    var Reservation = TypeScript.Reservation;

    var TokenInfo = (function () {
        function TokenInfo(tokenId, reservation, binopPrecedence, binopNodeType, unopPrecedence, unopNodeType, text, ers) {
            this.tokenId = tokenId;
            this.reservation = reservation;
            this.binopPrecedence = binopPrecedence;
            this.binopNodeType = binopNodeType;
            this.unopPrecedence = unopPrecedence;
            this.unopNodeType = unopNodeType;
            this.text = text;
            this.ers = ers;
        }
        return TokenInfo;
    })();
    TypeScript.TokenInfo = TokenInfo;    
    function setTokenInfo(tokenId, reservation, binopPrecedence, binopNodeType, unopPrecedence, unopNodeType, text, ers) {
        if(tokenId !== undefined) {
            TypeScript.tokenTable[tokenId] = new TokenInfo(tokenId, reservation, binopPrecedence, binopNodeType, unopPrecedence, unopNodeType, text, ers);
            if(binopNodeType != TypeScript.NodeType.None) {
                TypeScript.nodeTypeTable[binopNodeType] = text;
                TypeScript.nodeTypeToTokTable[binopNodeType] = tokenId;
            }
            if(unopNodeType != TypeScript.NodeType.None) {
                TypeScript.nodeTypeTable[unopNodeType] = text;
            }
        }
    }
    setTokenInfo(TokenID.ANY, Reservation.TypeScript, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "any", TypeScript.ErrorRecoverySet.PrimType);
    setTokenInfo(TokenID.BOOL, Reservation.TypeScript, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "bool", TypeScript.ErrorRecoverySet.PrimType);
    setTokenInfo(TokenID.BREAK, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "break", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.CASE, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "case", TypeScript.ErrorRecoverySet.SCase);
    setTokenInfo(TokenID.CATCH, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "catch", TypeScript.ErrorRecoverySet.Catch);
    setTokenInfo(TokenID.CLASS, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "class", TypeScript.ErrorRecoverySet.TypeScriptS);
    setTokenInfo(TokenID.CONST, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "const", TypeScript.ErrorRecoverySet.Var);
    setTokenInfo(TokenID.CONTINUE, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "continue", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.DEBUGGER, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.Debugger, "debugger", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.DEFAULT, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "default", TypeScript.ErrorRecoverySet.SCase);
    setTokenInfo(TokenID.DELETE, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.Uni, TypeScript.NodeType.Delete, "delete", TypeScript.ErrorRecoverySet.Prefix);
    setTokenInfo(TokenID.DO, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "do", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.ELSE, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "else", TypeScript.ErrorRecoverySet.Else);
    setTokenInfo(TokenID.ENUM, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "enum", TypeScript.ErrorRecoverySet.TypeScriptS);
    setTokenInfo(TokenID.EXPORT, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "export", TypeScript.ErrorRecoverySet.TypeScriptS);
    setTokenInfo(TokenID.EXTENDS, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "extends", TypeScript.ErrorRecoverySet.None);
    setTokenInfo(TokenID.DECLARE, Reservation.TypeScript, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "declare", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.FALSE, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "false", TypeScript.ErrorRecoverySet.RLit);
    setTokenInfo(TokenID.FINALLY, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "finally", TypeScript.ErrorRecoverySet.Catch);
    setTokenInfo(TokenID.FOR, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "for", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.FUNCTION, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "function", TypeScript.ErrorRecoverySet.Func);
    setTokenInfo(TokenID.CONSTRUCTOR, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "constructor", TypeScript.ErrorRecoverySet.Func);
    setTokenInfo(TokenID.GET, Reservation.TypeScript, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "get", TypeScript.ErrorRecoverySet.Func);
    setTokenInfo(TokenID.SET, Reservation.TypeScript, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "set", TypeScript.ErrorRecoverySet.Func);
    setTokenInfo(TokenID.IF, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "if", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.IMPLEMENTS, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "implements", TypeScript.ErrorRecoverySet.None);
    setTokenInfo(TokenID.IMPORT, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "import", TypeScript.ErrorRecoverySet.TypeScriptS);
    setTokenInfo(TokenID.IN, Reservation.TypeScriptAndJS, OperatorPrecedence.Cmp, TypeScript.NodeType.In, OperatorPrecedence.No, TypeScript.NodeType.None, "in", TypeScript.ErrorRecoverySet.None);
    setTokenInfo(TokenID.INSTANCEOF, Reservation.TypeScriptAndJS, OperatorPrecedence.Cmp, TypeScript.NodeType.InstOf, OperatorPrecedence.No, TypeScript.NodeType.None, "instanceof", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.INTERFACE, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "interface", TypeScript.ErrorRecoverySet.TypeScriptS);
    setTokenInfo(TokenID.LET, Reservation.JavascriptFutureStrict, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "let", TypeScript.ErrorRecoverySet.None);
    setTokenInfo(TokenID.MODULE, Reservation.TypeScript, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "module", TypeScript.ErrorRecoverySet.TypeScriptS);
    setTokenInfo(TokenID.NEW, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "new", TypeScript.ErrorRecoverySet.PreOp);
    setTokenInfo(TokenID.NUMBER, Reservation.TypeScript, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "number", TypeScript.ErrorRecoverySet.PrimType);
    setTokenInfo(TokenID.NULL, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "null", TypeScript.ErrorRecoverySet.RLit);
    setTokenInfo(TokenID.PACKAGE, Reservation.JavascriptFutureStrict, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "package", TypeScript.ErrorRecoverySet.None);
    setTokenInfo(TokenID.PRIVATE, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "private", TypeScript.ErrorRecoverySet.TypeScriptS);
    setTokenInfo(TokenID.PROTECTED, Reservation.JavascriptFutureStrict, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "protected", TypeScript.ErrorRecoverySet.None);
    setTokenInfo(TokenID.PUBLIC, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "public", TypeScript.ErrorRecoverySet.TypeScriptS);
    setTokenInfo(TokenID.RETURN, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "return", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.STATIC, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "static", TypeScript.ErrorRecoverySet.None);
    setTokenInfo(TokenID.STRING, Reservation.TypeScript, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "string", TypeScript.ErrorRecoverySet.PrimType);
    setTokenInfo(TokenID.SUPER, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "super", TypeScript.ErrorRecoverySet.RLit);
    setTokenInfo(TokenID.SWITCH, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "switch", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.THIS, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "this", TypeScript.ErrorRecoverySet.RLit);
    setTokenInfo(TokenID.THROW, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "throw", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.TRUE, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "true", TypeScript.ErrorRecoverySet.RLit);
    setTokenInfo(TokenID.TRY, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "try", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.TYPEOF, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.Uni, TypeScript.NodeType.Typeof, "typeof", TypeScript.ErrorRecoverySet.Prefix);
    setTokenInfo(TokenID.VAR, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "var", TypeScript.ErrorRecoverySet.Var);
    setTokenInfo(TokenID.VOID, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.Uni, TypeScript.NodeType.Void, "void", TypeScript.ErrorRecoverySet.Prefix);
    setTokenInfo(TokenID.WITH, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.With, "with", TypeScript.ErrorRecoverySet.Stmt);
    setTokenInfo(TokenID.WHILE, Reservation.TypeScriptAndJS, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "while", TypeScript.ErrorRecoverySet.While);
    setTokenInfo(TokenID.YIELD, Reservation.JavascriptFutureStrict, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "yield", TypeScript.ErrorRecoverySet.None);
    setTokenInfo(TokenID.ID, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "identifier", TypeScript.ErrorRecoverySet.ID);
    setTokenInfo(TokenID.NumberLit, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "numberLiteral", TypeScript.ErrorRecoverySet.Literal);
    setTokenInfo(TokenID.Regex, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "regex", TypeScript.ErrorRecoverySet.RegExp);
    setTokenInfo(TokenID.QString, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "qstring", TypeScript.ErrorRecoverySet.Literal);
    setTokenInfo(TokenID.SColon, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, ";", TypeScript.ErrorRecoverySet.SColon);
    setTokenInfo(TokenID.RParen, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, ")", TypeScript.ErrorRecoverySet.RParen);
    setTokenInfo(TokenID.RBrack, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "]", TypeScript.ErrorRecoverySet.RBrack);
    setTokenInfo(TokenID.LCurly, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "{", TypeScript.ErrorRecoverySet.LCurly);
    setTokenInfo(TokenID.RCurly, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "}", TypeScript.ErrorRecoverySet.RCurly);
    setTokenInfo(TokenID.Ellipsis, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "...", TypeScript.ErrorRecoverySet.None);
    setTokenInfo(TokenID.Comma, Reservation.None, OperatorPrecedence.Cma, TypeScript.NodeType.Comma, OperatorPrecedence.No, TypeScript.NodeType.None, ",", TypeScript.ErrorRecoverySet.Comma);
    setTokenInfo(TokenID.Asg, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.Asg, OperatorPrecedence.No, TypeScript.NodeType.None, "=", TypeScript.ErrorRecoverySet.Asg);
    setTokenInfo(TokenID.AsgAdd, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.AsgAdd, OperatorPrecedence.No, TypeScript.NodeType.None, "+=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.AsgSub, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.AsgSub, OperatorPrecedence.No, TypeScript.NodeType.None, "-=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.AsgMul, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.AsgMul, OperatorPrecedence.No, TypeScript.NodeType.None, "*=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.AsgDiv, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.AsgDiv, OperatorPrecedence.No, TypeScript.NodeType.None, "/=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.AsgMod, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.AsgMod, OperatorPrecedence.No, TypeScript.NodeType.None, "%=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.AsgAnd, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.AsgAnd, OperatorPrecedence.No, TypeScript.NodeType.None, "&=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.AsgXor, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.AsgXor, OperatorPrecedence.No, TypeScript.NodeType.None, "^=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.AsgOr, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.AsgOr, OperatorPrecedence.No, TypeScript.NodeType.None, "|=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.AsgLsh, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.AsgLsh, OperatorPrecedence.No, TypeScript.NodeType.None, "<<=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.AsgRsh, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.AsgRsh, OperatorPrecedence.No, TypeScript.NodeType.None, ">>=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.AsgRs2, Reservation.None, OperatorPrecedence.Asg, TypeScript.NodeType.AsgRs2, OperatorPrecedence.No, TypeScript.NodeType.None, ">>>=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.QMark, Reservation.None, OperatorPrecedence.Que, TypeScript.NodeType.QMark, OperatorPrecedence.No, TypeScript.NodeType.None, "?", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.Colon, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, ":", TypeScript.ErrorRecoverySet.Colon);
    setTokenInfo(TokenID.LogOr, Reservation.None, OperatorPrecedence.Lor, TypeScript.NodeType.LogOr, OperatorPrecedence.No, TypeScript.NodeType.None, "||", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.LogAnd, Reservation.None, OperatorPrecedence.Lan, TypeScript.NodeType.LogAnd, OperatorPrecedence.No, TypeScript.NodeType.None, "&&", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.Or, Reservation.None, OperatorPrecedence.Bor, TypeScript.NodeType.Or, OperatorPrecedence.No, TypeScript.NodeType.None, "|", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.Xor, Reservation.None, OperatorPrecedence.Xor, TypeScript.NodeType.Xor, OperatorPrecedence.No, TypeScript.NodeType.None, "^", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.And, Reservation.None, OperatorPrecedence.Ban, TypeScript.NodeType.And, OperatorPrecedence.No, TypeScript.NodeType.None, "&", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.EQ, Reservation.None, OperatorPrecedence.Equ, TypeScript.NodeType.Eq, OperatorPrecedence.No, TypeScript.NodeType.None, "==", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.NE, Reservation.None, OperatorPrecedence.Equ, TypeScript.NodeType.Ne, OperatorPrecedence.No, TypeScript.NodeType.None, "!=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.Eqv, Reservation.None, OperatorPrecedence.Equ, TypeScript.NodeType.Eqv, OperatorPrecedence.No, TypeScript.NodeType.None, "===", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.NEqv, Reservation.None, OperatorPrecedence.Equ, TypeScript.NodeType.NEqv, OperatorPrecedence.No, TypeScript.NodeType.None, "!==", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.LT, Reservation.None, OperatorPrecedence.Cmp, TypeScript.NodeType.Lt, OperatorPrecedence.No, TypeScript.NodeType.None, "<", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.LE, Reservation.None, OperatorPrecedence.Cmp, TypeScript.NodeType.Le, OperatorPrecedence.No, TypeScript.NodeType.None, "<=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.GT, Reservation.None, OperatorPrecedence.Cmp, TypeScript.NodeType.Gt, OperatorPrecedence.No, TypeScript.NodeType.None, ">", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.GE, Reservation.None, OperatorPrecedence.Cmp, TypeScript.NodeType.Ge, OperatorPrecedence.No, TypeScript.NodeType.None, ">=", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.Lsh, Reservation.None, OperatorPrecedence.Shf, TypeScript.NodeType.Lsh, OperatorPrecedence.No, TypeScript.NodeType.None, "<<", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.Rsh, Reservation.None, OperatorPrecedence.Shf, TypeScript.NodeType.Rsh, OperatorPrecedence.No, TypeScript.NodeType.None, ">>", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.Rs2, Reservation.None, OperatorPrecedence.Shf, TypeScript.NodeType.Rs2, OperatorPrecedence.No, TypeScript.NodeType.None, ">>>", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.Add, Reservation.None, OperatorPrecedence.Add, TypeScript.NodeType.Add, OperatorPrecedence.Uni, TypeScript.NodeType.Pos, "+", TypeScript.ErrorRecoverySet.AddOp);
    setTokenInfo(TokenID.Sub, Reservation.None, OperatorPrecedence.Add, TypeScript.NodeType.Sub, OperatorPrecedence.Uni, TypeScript.NodeType.Neg, "-", TypeScript.ErrorRecoverySet.AddOp);
    setTokenInfo(TokenID.Mult, Reservation.None, OperatorPrecedence.Mul, TypeScript.NodeType.Mul, OperatorPrecedence.No, TypeScript.NodeType.None, "*", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.Div, Reservation.None, OperatorPrecedence.Mul, TypeScript.NodeType.Div, OperatorPrecedence.No, TypeScript.NodeType.None, "/", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.Pct, Reservation.None, OperatorPrecedence.Mul, TypeScript.NodeType.Mod, OperatorPrecedence.No, TypeScript.NodeType.None, "%", TypeScript.ErrorRecoverySet.BinOp);
    setTokenInfo(TokenID.Tilde, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.Uni, TypeScript.NodeType.Not, "~", TypeScript.ErrorRecoverySet.PreOp);
    setTokenInfo(TokenID.Bang, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.Uni, TypeScript.NodeType.LogNot, "!", TypeScript.ErrorRecoverySet.PreOp);
    setTokenInfo(TokenID.Inc, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.Uni, TypeScript.NodeType.IncPre, "++", TypeScript.ErrorRecoverySet.PreOp);
    setTokenInfo(TokenID.Dec, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.Uni, TypeScript.NodeType.DecPre, "--", TypeScript.ErrorRecoverySet.PreOp);
    setTokenInfo(TokenID.LParen, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "(", TypeScript.ErrorRecoverySet.LParen);
    setTokenInfo(TokenID.LBrack, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "[", TypeScript.ErrorRecoverySet.LBrack);
    setTokenInfo(TokenID.Dot, Reservation.None, OperatorPrecedence.Uni, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, ".", TypeScript.ErrorRecoverySet.Dot);
    setTokenInfo(TokenID.EOF, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "<EOF>", TypeScript.ErrorRecoverySet.EOF);
    setTokenInfo(TokenID.Arrow, Reservation.None, OperatorPrecedence.No, TypeScript.NodeType.None, OperatorPrecedence.No, TypeScript.NodeType.None, "=>", TypeScript.ErrorRecoverySet.None);
    function lookupToken(tokenId) {
        return TypeScript.tokenTable[tokenId];
    }
    TypeScript.lookupToken = lookupToken;
    (function (TokenClass) {
        TokenClass._map = [];
        TokenClass._map[0] = "Punctuation";
        TokenClass.Punctuation = 0;
        TokenClass._map[1] = "Keyword";
        TokenClass.Keyword = 1;
        TokenClass._map[2] = "Operator";
        TokenClass.Operator = 2;
        TokenClass._map[3] = "Comment";
        TokenClass.Comment = 3;
        TokenClass._map[4] = "Whitespace";
        TokenClass.Whitespace = 4;
        TokenClass._map[5] = "Identifier";
        TokenClass.Identifier = 5;
        TokenClass._map[6] = "Literal";
        TokenClass.Literal = 6;
    })(TypeScript.TokenClass || (TypeScript.TokenClass = {}));
    var TokenClass = TypeScript.TokenClass;

    var SavedToken = (function () {
        function SavedToken(tok, minChar, limChar) {
            this.tok = tok;
            this.minChar = minChar;
            this.limChar = limChar;
        }
        return SavedToken;
    })();
    TypeScript.SavedToken = SavedToken;    
    var Token = (function () {
        function Token(tokenId) {
            this.tokenId = tokenId;
        }
        Token.prototype.toString = function () {
            return "token: " + this.tokenId + " " + this.getText() + " (" + (TokenID)._map[this.tokenId] + ")";
        };
        Token.prototype.print = function (line, outfile) {
            outfile.WriteLine(this.toString() + ",on line" + line);
        };
        Token.prototype.getText = function () {
            return TypeScript.tokenTable[this.tokenId].text;
        };
        Token.prototype.classification = function () {
            if(this.tokenId <= TokenID.LimKeyword) {
                return TokenClass.Keyword;
            } else {
                var tokenInfo = lookupToken(this.tokenId);
                if(tokenInfo != undefined) {
                    if((tokenInfo.unopNodeType != TypeScript.NodeType.None) || (tokenInfo.binopNodeType != TypeScript.NodeType.None)) {
                        return TokenClass.Operator;
                    }
                }
            }
            return TokenClass.Punctuation;
        };
        return Token;
    })();
    TypeScript.Token = Token;    
    var NumberToken = (function (_super) {
        __extends(NumberToken, _super);
        function NumberToken(value) {
                _super.call(this, TokenID.NumberLit);
            this.value = value;
        }
        NumberToken.prototype.getText = function () {
            return this.value.toString();
        };
        NumberToken.prototype.classification = function () {
            return TokenClass.Literal;
        };
        return NumberToken;
    })(Token);
    TypeScript.NumberToken = NumberToken;    
    var StringToken = (function (_super) {
        __extends(StringToken, _super);
        function StringToken(tokenId, value) {
                _super.call(this, tokenId);
            this.value = value;
            this.tokenId = tokenId;
        }
        StringToken.prototype.getText = function () {
            return this.value;
        };
        StringToken.prototype.classification = function () {
            if(this.tokenId == TokenID.ID) {
                return TokenClass.Identifier;
            } else {
                return TokenClass.Literal;
            }
        };
        return StringToken;
    })(Token);
    TypeScript.StringToken = StringToken;    
    var WhitespaceToken = (function (_super) {
        __extends(WhitespaceToken, _super);
        function WhitespaceToken(tokenId, value) {
                _super.call(this, tokenId);
            this.value = value;
            this.tokenId = tokenId;
        }
        WhitespaceToken.prototype.getText = function () {
            return this.value;
        };
        WhitespaceToken.prototype.classification = function () {
            return TokenClass.Whitespace;
        };
        return WhitespaceToken;
    })(Token);
    TypeScript.WhitespaceToken = WhitespaceToken;    
    var CommentToken = (function (_super) {
        __extends(CommentToken, _super);
        function CommentToken(tokenID, value, isBlock, startPos, line, endsLine) {
                _super.call(this, tokenID);
            this.value = value;
            this.isBlock = isBlock;
            this.startPos = startPos;
            this.line = line;
            this.endsLine = endsLine;
            this.tokenID = tokenID;
        }
        CommentToken.prototype.getText = function () {
            return this.value;
        };
        CommentToken.prototype.classification = function () {
            return TokenClass.Comment;
        };
        return CommentToken;
    })(Token);
    TypeScript.CommentToken = CommentToken;    
    var RegexToken = (function (_super) {
        __extends(RegexToken, _super);
        function RegexToken(regex) {
                _super.call(this, TokenID.Regex);
            this.regex = regex;
        }
        RegexToken.prototype.getText = function () {
            return this.regex.toString();
        };
        RegexToken.prototype.classification = function () {
            return TokenClass.Literal;
        };
        return RegexToken;
    })(Token);
    TypeScript.RegexToken = RegexToken;    
    TypeScript.staticTokens = new Array();
    function initializeStaticTokens() {
        for(var i = 0; i <= TokenID.LimFixed; i++) {
            TypeScript.staticTokens[i] = new Token(i);
        }
    }
    TypeScript.initializeStaticTokens = initializeStaticTokens;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var ArrayCache = (function () {
        function ArrayCache() {
            this.arrayBase = null;
        }
        ArrayCache.prototype.specialize = function (arrInstType, checker) {
            if(this.arrayBase == null) {
                this.arrayBase = arrInstType.specializeType(checker.wildElm.type, this.arrayType.elementType, checker, true);
            }
            return this.arrayBase;
        };
        return ArrayCache;
    })();
    TypeScript.ArrayCache = ArrayCache;    
    var TypeComparisonInfo = (function () {
        function TypeComparisonInfo() {
            this.onlyCaptureFirstError = false;
            this.flags = TypeScript.TypeRelationshipFlags.SuccessfulComparison;
            this.message = "";
        }
        TypeComparisonInfo.prototype.addMessageToFront = function (message) {
            if(!this.onlyCaptureFirstError) {
                this.message = this.message ? message + ":\n\t" + this.message : message;
            } else {
                this.setMessage(message);
            }
        };
        TypeComparisonInfo.prototype.setMessage = function (message) {
            this.message = message;
        };
        return TypeComparisonInfo;
    })();
    TypeScript.TypeComparisonInfo = TypeComparisonInfo;    
    (function (TypeCheckCollectionMode) {
        TypeCheckCollectionMode._map = [];
        TypeCheckCollectionMode._map[0] = "Resident";
        TypeCheckCollectionMode.Resident = 0;
        TypeCheckCollectionMode._map[1] = "Transient";
        TypeCheckCollectionMode.Transient = 1;
    })(TypeScript.TypeCheckCollectionMode || (TypeScript.TypeCheckCollectionMode = {}));
    var TypeCheckCollectionMode = TypeScript.TypeCheckCollectionMode;

    var PersistentGlobalTypeState = (function () {
        function PersistentGlobalTypeState(errorReporter) {
            this.errorReporter = errorReporter;
            this.importedGlobalsTable = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
            this.importedGlobalsTypeTable = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
            this.globals = null;
            this.globalTypes = null;
            this.ambientGlobals = null;
            this.ambientGlobalTypes = null;
            this.residentGlobalValues = new TypeScript.StringHashTable();
            this.residentGlobalTypes = new TypeScript.StringHashTable();
            this.residentGlobalAmbientValues = new TypeScript.StringHashTable();
            this.residentGlobalAmbientTypes = new TypeScript.StringHashTable();
            this.residentTypeCheck = true;
            this.mod = null;
            this.gloMod = null;
            this.wildElm = null;
            this.importedGlobals = new TypeScript.SymbolScopeBuilder(null, this.importedGlobalsTable, null, this.importedGlobalsTypeTable, null, null);
            this.dualGlobalValues = new TypeScript.DualStringHashTable(this.residentGlobalValues, new TypeScript.StringHashTable());
            this.dualGlobalTypes = new TypeScript.DualStringHashTable(this.residentGlobalTypes, new TypeScript.StringHashTable());
            this.dualAmbientGlobalValues = new TypeScript.DualStringHashTable(this.residentGlobalAmbientValues, new TypeScript.StringHashTable());
            this.dualAmbientGlobalTypes = new TypeScript.DualStringHashTable(this.residentGlobalAmbientTypes, new TypeScript.StringHashTable());
            var dualGlobalScopedMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(this.dualGlobalValues, new TypeScript.StringHashTable()));
            var dualGlobalScopedAmbientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(this.dualAmbientGlobalValues, new TypeScript.StringHashTable()));
            var dualGlobalScopedEnclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(this.dualGlobalTypes, new TypeScript.StringHashTable()));
            var dualGlobalScopedAmbientEnclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(this.dualAmbientGlobalTypes, new TypeScript.StringHashTable()));
            this.globalScope = new TypeScript.SymbolScopeBuilder(dualGlobalScopedMembers, dualGlobalScopedAmbientMembers, dualGlobalScopedEnclosedTypes, dualGlobalScopedAmbientEnclosedTypes, this.importedGlobals, null);
            this.voidType = this.enterPrimitive(TypeScript.Primitive.Void, "void");
            this.booleanType = this.enterPrimitive(TypeScript.Primitive.Boolean, "bool");
            this.doubleType = this.enterPrimitive(TypeScript.Primitive.Double, "number");
            this.importedGlobals.ambientEnclosedTypes.addPublicMember("number", this.doubleType.symbol);
            this.stringType = this.enterPrimitive(TypeScript.Primitive.String, "string");
            this.anyType = this.enterPrimitive(TypeScript.Primitive.Any, "any");
            this.nullType = this.enterPrimitive(TypeScript.Primitive.Null, "null");
            this.undefinedType = this.enterPrimitive(TypeScript.Primitive.Undefined, "undefined");
            this.setCollectionMode(TypeCheckCollectionMode.Resident);
            this.wildElm = new TypeScript.TypeSymbol("_element", 0, -1, new TypeScript.Type());
            this.importedGlobalsTypeTable.addPublicMember(this.wildElm.name, this.wildElm);
            this.mod = new TypeScript.ModuleType(dualGlobalScopedEnclosedTypes, dualGlobalScopedAmbientEnclosedTypes);
            this.mod.members = dualGlobalScopedMembers;
            this.mod.ambientMembers = dualGlobalScopedAmbientMembers;
            this.mod.containedScope = this.globalScope;
            this.gloMod = new TypeScript.TypeSymbol(TypeScript.globalId, 0, -1, this.mod);
            this.mod.members.addPublicMember(this.gloMod.name, this.gloMod);
            this.defineGlobalValue("undefined", this.undefinedType);
        }
        PersistentGlobalTypeState.prototype.enterPrimitive = function (flags, name) {
            var primitive = new TypeScript.Type();
            primitive.primitiveTypeClass = flags;
            var symbol = new TypeScript.TypeSymbol(name, 0, -1, primitive);
            symbol.typeCheckStatus = TypeScript.TypeCheckStatus.Finished;
            primitive.symbol = symbol;
            this.importedGlobals.enter(null, null, symbol, this.errorReporter, true, true, true);
            return primitive;
        };
        PersistentGlobalTypeState.prototype.setCollectionMode = function (mode) {
            this.residentTypeCheck = this.dualGlobalValues.insertPrimary = this.dualGlobalTypes.insertPrimary = this.dualAmbientGlobalValues.insertPrimary = this.dualAmbientGlobalTypes.insertPrimary = mode == TypeCheckCollectionMode.Resident;
        };
        PersistentGlobalTypeState.prototype.refreshPersistentState = function () {
            this.globals = new TypeScript.StringHashTable();
            this.globalTypes = new TypeScript.StringHashTable();
            this.ambientGlobals = new TypeScript.StringHashTable();
            this.ambientGlobalTypes = new TypeScript.StringHashTable();
            this.dualGlobalValues.secondaryTable = this.globals;
            this.dualGlobalTypes.secondaryTable = this.globalTypes;
            this.dualAmbientGlobalValues.secondaryTable = this.ambientGlobals;
            this.dualAmbientGlobalTypes.secondaryTable = this.ambientGlobalTypes;
        };
        PersistentGlobalTypeState.prototype.defineGlobalValue = function (name, type) {
            var valueLocation = new TypeScript.ValueLocation();
            valueLocation.typeLink = new TypeScript.TypeLink();
            var sym = new TypeScript.VariableSymbol(name, 0, -1, valueLocation);
            sym.setType(type);
            sym.typeCheckStatus = TypeScript.TypeCheckStatus.Finished;
            sym.container = this.gloMod;
            this.importedGlobalsTable.addPublicMember(name, sym);
        };
        return PersistentGlobalTypeState;
    })();
    TypeScript.PersistentGlobalTypeState = PersistentGlobalTypeState;    
    var ContextualTypeContext = (function () {
        function ContextualTypeContext(contextualType, provisional, contextID) {
            this.contextualType = contextualType;
            this.provisional = provisional;
            this.contextID = contextID;
            this.targetSig = null;
            this.targetThis = null;
            this.targetAccessorType = null;
        }
        return ContextualTypeContext;
    })();
    TypeScript.ContextualTypeContext = ContextualTypeContext;    
    var ContextualTypingContextStack = (function () {
        function ContextualTypingContextStack(checker) {
            this.checker = checker;
            this.contextStack = [];
            this.hadProvisionalErrors = false;
        }
        ContextualTypingContextStack.contextID = TypeScript.TypeCheckStatus.Finished + 1;
        ContextualTypingContextStack.prototype.pushContextualType = function (type, provisional) {
            this.contextStack.push(new ContextualTypeContext(type, provisional, ContextualTypingContextStack.contextID++));
            this.checker.errorReporter.pushToErrorSink = provisional;
        };
        ContextualTypingContextStack.prototype.popContextualType = function () {
            var tc = this.contextStack.pop();
            this.checker.errorReporter.pushToErrorSink = this.isProvisional();
            this.hadProvisionalErrors = this.hadProvisionalErrors || (tc.provisional && (this.checker.errorReporter.getCapturedErrors().length));
            this.checker.errorReporter.freeCapturedErrors();
            return tc;
        };
        ContextualTypingContextStack.prototype.getContextualType = function () {
            return (!this.contextStack.length ? null : this.contextStack[this.contextStack.length - 1]);
        };
        ContextualTypingContextStack.prototype.getContextID = function () {
            return (!this.contextStack.length ? TypeScript.TypeCheckStatus.Finished : this.contextStack[this.contextStack.length - 1].contextID);
        };
        ContextualTypingContextStack.prototype.isProvisional = function () {
            return (!this.contextStack.length ? false : this.contextStack[this.contextStack.length - 1].provisional);
        };
        return ContextualTypingContextStack;
    })();
    TypeScript.ContextualTypingContextStack = ContextualTypingContextStack;    
    var TypeChecker = (function () {
        function TypeChecker(persistentState) {
            this.persistentState = persistentState;
            this.errorReporter = null;
            this.checkControlFlow = false;
            this.printControlFlowGraph = false;
            this.checkControlFlowUseDef = false;
            this.styleSettings = null;
            this.units = null;
            this.anon = "_anonymous";
            this.locationInfo = null;
            this.typeFlow = null;
            this.currentCompareA = null;
            this.currentCompareB = null;
            this.currentModDecl = null;
            this.inBind = false;
            this.inWith = false;
            this.errorsOnWith = true;
            this.currentContextualTypeContext = null;
            this.resolvingBases = false;
            this.canCallDefinitionSignature = false;
            this.assignableCache = {
            };
            this.subtypeCache = {
            };
            this.identicalCache = {
            };
            this.provisionalStartedTypecheckObjects = [];
            this.voidType = this.persistentState.voidType;
            this.booleanType = this.persistentState.booleanType;
            this.numberType = this.persistentState.doubleType;
            this.stringType = this.persistentState.stringType;
            this.anyType = this.persistentState.anyType;
            this.nullType = this.persistentState.nullType;
            this.undefinedType = this.persistentState.undefinedType;
            this.globals = this.persistentState.dualGlobalValues;
            this.globalTypes = this.persistentState.dualGlobalTypes;
            this.ambientGlobals = this.persistentState.dualAmbientGlobalValues;
            this.ambientGlobalTypes = this.persistentState.dualAmbientGlobalTypes;
            this.gloModType = this.persistentState.mod;
            this.gloMod = this.persistentState.gloMod;
            this.wildElm = this.persistentState.wildElm;
            this.globalScope = this.persistentState.globalScope;
            this.typingContextStack = new ContextualTypingContextStack(this);
        }
        TypeChecker.prototype.setStyleOptions = function (style) {
            this.styleSettings = style;
        };
        TypeChecker.prototype.setContextualType = function (type, provisional) {
            this.typingContextStack.pushContextualType(type, provisional);
            this.currentContextualTypeContext = this.typingContextStack.getContextualType();
        };
        TypeChecker.prototype.unsetContextualType = function () {
            var lastTC = this.typingContextStack.popContextualType();
            this.currentContextualTypeContext = this.typingContextStack.getContextualType();
            return lastTC;
        };
        TypeChecker.prototype.hadProvisionalErrors = function () {
            return this.typingContextStack.hadProvisionalErrors;
        };
        TypeChecker.prototype.resetProvisionalErrors = function () {
            if(!this.typingContextStack.getContextualType()) {
                this.typingContextStack.hadProvisionalErrors = false;
            }
        };
        TypeChecker.prototype.typeCheckWithContextualType = function (contextType, provisional, condition, ast) {
            if(condition) {
                this.setContextualType(contextType, this.typingContextStack.isProvisional() || provisional);
            }
            this.typeFlow.typeCheck(ast);
            if(condition) {
                this.unsetContextualType();
            }
        };
        TypeChecker.prototype.resetTargetType = function () {
            this.currentContextualTypeContext = this.typingContextStack.getContextualType();
        };
        TypeChecker.prototype.killTargetType = function () {
            this.currentContextualTypeContext = null;
            this.errorReporter.pushToErrorSink = false;
        };
        TypeChecker.prototype.hasTargetType = function () {
            return this.currentContextualTypeContext && this.currentContextualTypeContext.contextualType;
        };
        TypeChecker.prototype.getTargetTypeContext = function () {
            return this.currentContextualTypeContext;
        };
        TypeChecker.prototype.inProvisionalTypecheckMode = function () {
            return this.typingContextStack.isProvisional();
        };
        TypeChecker.prototype.getTypeCheckFinishedStatus = function () {
            if(this.inProvisionalTypecheckMode()) {
                return this.typingContextStack.getContextID();
            }
            return TypeScript.TypeCheckStatus.Finished;
        };
        TypeChecker.prototype.typeStatusIsFinished = function (status) {
            return status == TypeScript.TypeCheckStatus.Finished || (this.inProvisionalTypecheckMode() && status == this.typingContextStack.getContextID());
        };
        TypeChecker.prototype.addStartedPTO = function (pto) {
            if(this.inProvisionalTypecheckMode()) {
                this.provisionalStartedTypecheckObjects[this.provisionalStartedTypecheckObjects.length] = pto;
            }
        };
        TypeChecker.prototype.cleanStartedPTO = function () {
            for(var i = 0; i < this.provisionalStartedTypecheckObjects.length; i++) {
                this.provisionalStartedTypecheckObjects[i].typeCheckStatus = TypeScript.TypeCheckStatus.NotStarted;
            }
            this.provisionalStartedTypecheckObjects = [];
        };
        TypeChecker.prototype.collectTypes = function (ast) {
            if(ast.nodeType == TypeScript.NodeType.Script) {
                var script = ast;
                this.locationInfo = script.locationInfo;
            }
            var globalChain = new TypeScript.ScopeChain(this.gloMod, null, this.globalScope);
            var context = new TypeScript.TypeCollectionContext(globalChain, this);
            TypeScript.getAstWalkerFactory().walk(ast, TypeScript.preCollectTypes, TypeScript.postCollectTypes, null, context);
        };
        TypeChecker.prototype.makeArrayType = function (type) {
            if(type.arrayCache == null) {
                type.arrayCache = new ArrayCache();
                type.arrayCache.arrayType = new TypeScript.Type();
                type.arrayCache.arrayType.elementType = type;
                type.arrayCache.arrayType.symbol = type.symbol;
            }
            return type.arrayCache.arrayType;
        };
        TypeChecker.prototype.getParameterList = function (args, container) {
            var parameterTable = null;
            var parameterBuilder = null;
            var len = args.members.length;
            var nonOptionalParams = 0;
            var result = [];
            if(len > 0) {
                parameterTable = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                parameterBuilder = new TypeScript.SymbolScopeBuilder(parameterTable, null, null, null, null, container);
                for(var i = 0; i < len; i++) {
                    var parameter = args.members[i];
                    var paramDef = new TypeScript.ValueLocation();
                    var parameterSymbol = new TypeScript.ParameterSymbol(parameter.id.text, parameter.minChar, this.locationInfo.unitIndex, paramDef);
                    parameterSymbol.declAST = parameter;
                    parameter.id.sym = parameterSymbol;
                    parameter.sym = parameterSymbol;
                    paramDef.symbol = parameterSymbol;
                    paramDef.typeLink = TypeScript.getTypeLink(parameter.typeExpr, this, false);
                    parameterBuilder.enter(null, parameter, parameterSymbol, this.errorReporter, true, false, false);
                    result[result.length] = parameterSymbol;
                    if(!parameter.isOptionalArg()) {
                        nonOptionalParams++;
                    }
                }
            }
            return {
                parameters: result,
                nonOptionalParameterCount: nonOptionalParams
            };
        };
        TypeChecker.prototype.createFunctionSignature = function (funcDecl, container, scope, overloadGroupSym, addToScope) {
            var isExported = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Exported | TypeScript.FncFlags.ClassPropertyMethodExported) || container == this.gloMod;
            var isStatic = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static);
            var isPrivate = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Private);
            var isDefinition = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Definition);
            var isAmbient = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Ambient);
            var isConstructor = funcDecl.isConstructMember() || funcDecl.isConstructor;
            var isGlobal = container == this.gloMod;
            var signature = new TypeScript.Signature();
            var isLambda = funcDecl.fncFlags & TypeScript.FncFlags.IsFunctionExpression;
            if(funcDecl.returnTypeAnnotation || isDefinition) {
                signature.returnType = TypeScript.getTypeLink(funcDecl.returnTypeAnnotation, this, false);
            } else {
                signature.returnType = new TypeScript.TypeLink();
                signature.returnType.type = this.anyType;
            }
            signature.hasVariableArgList = funcDecl.variableArgList;
            var sigData = this.getParameterList(funcDecl.args, container);
            signature.parameters = sigData.parameters;
            signature.nonOptionalParameterCount = sigData.nonOptionalParameterCount;
            funcDecl.signature = signature;
            signature.declAST = funcDecl;
            var useOverloadGroupSym = overloadGroupSym && overloadGroupSym.getType() && !overloadGroupSym.isAccessor() && (funcDecl.isSignature() || (isAmbient == TypeScript.hasFlag(overloadGroupSym.flags, TypeScript.SymbolFlags.Ambient)));
            if(useOverloadGroupSym && isPrivate != TypeScript.hasFlag(overloadGroupSym.flags, TypeScript.SymbolFlags.Private)) {
                this.errorReporter.simpleError(funcDecl, "Public/Private visibility of overloads does not agree");
            }
            var groupType = useOverloadGroupSym ? overloadGroupSym.getType() : new TypeScript.Type();
            if(isConstructor) {
                if(groupType.construct == null) {
                    groupType.construct = new TypeScript.SignatureGroup();
                }
                groupType.construct.addSignature(signature);
                groupType.construct.hasImplementation = !(funcDecl.isSignature());
                if(groupType.construct.hasImplementation) {
                    groupType.setHasImplementation();
                }
            } else {
                if(funcDecl.isIndexerMember()) {
                    if(groupType.index == null) {
                        groupType.index = new TypeScript.SignatureGroup();
                        groupType.index.flags |= TypeScript.SignatureFlags.IsIndexer;
                    }
                    groupType.index.addSignature(signature);
                    groupType.index.hasImplementation = !(funcDecl.isSignature());
                    if(groupType.index.hasImplementation) {
                        groupType.setHasImplementation();
                    }
                } else {
                    if(groupType.call == null) {
                        groupType.call = new TypeScript.SignatureGroup();
                    }
                    groupType.call.addSignature(signature);
                    groupType.call.hasImplementation = !(funcDecl.isSignature());
                    if(groupType.call.hasImplementation) {
                        groupType.setHasImplementation();
                    }
                }
            }
            var instanceType = groupType.instanceType;
            if(instanceType && !isStatic) {
                if(instanceType.call == null) {
                    instanceType.call = groupType.call;
                } else {
                    if(groupType.call) {
                        instanceType.call.signatures.concat(groupType.call.signatures);
                    }
                }
            }
            var funcName = null;
            var usedHint = false;
            if(funcDecl.name && !funcDecl.name.isMissing()) {
                funcName = funcDecl.name.text;
            } else {
                if(funcDecl.hint) {
                    funcName = funcDecl.hint;
                    usedHint = true;
                }
            }
            if(groupType.symbol == null) {
                groupType.symbol = new TypeScript.TypeSymbol(funcName ? funcName : this.anon, funcDecl.minChar, this.locationInfo.unitIndex, groupType);
                if(!useOverloadGroupSym) {
                    groupType.symbol.declAST = funcDecl;
                }
            }
            if(isStatic) {
                groupType.symbol.flags |= TypeScript.SymbolFlags.Static;
            }
            if(isAmbient) {
                groupType.symbol.flags |= TypeScript.SymbolFlags.Ambient;
            }
            if(isPrivate) {
                groupType.symbol.flags |= TypeScript.SymbolFlags.Private;
            }
            groupType.symbol.isMethod = funcDecl.isMethod();
            if(groupType.symbol.isMethod) {
                groupType.symbol.flags |= TypeScript.SymbolFlags.Property;
            }
            funcDecl.type = groupType;
            if(!isConstructor) {
                if(funcName && !isLambda && !funcDecl.isAccessor() && !usedHint) {
                    if(addToScope) {
                        if(funcDecl.isMethod() && isStatic) {
                            if(!(container).type.members.publicMembers.add(funcName, groupType.symbol)) {
                                this.errorReporter.duplicateIdentifier(funcDecl, funcName);
                            }
                            groupType.symbol.container = container;
                        } else {
                            if(overloadGroupSym == null || (overloadGroupSym.declAST && !(overloadGroupSym.declAST).isOverload && (container.isType()))) {
                                scope.enter(container, funcDecl, groupType.symbol, this.errorReporter, !isPrivate && (isExported || isStatic || isGlobal), false, isAmbient);
                            }
                        }
                    } else {
                        if(!funcDecl.isSpecialFn()) {
                            groupType.symbol.container = container;
                        }
                    }
                } else {
                    if(!funcDecl.isSpecialFn()) {
                        groupType.symbol.container = container;
                    }
                }
            }
            if(useOverloadGroupSym) {
                var overloadGroupType = overloadGroupSym ? overloadGroupSym.getType() : null;
                var classType = groupType;
                if(classType != overloadGroupType) {
                    if(classType.construct == null) {
                        if(overloadGroupType && overloadGroupType.construct) {
                            classType.construct = overloadGroupType.construct;
                        } else {
                            classType.construct = new TypeScript.SignatureGroup();
                        }
                    } else {
                        if(overloadGroupType) {
                            if(overloadGroupType.construct) {
                                classType.construct.signatures.concat(overloadGroupType.construct.signatures);
                            }
                        }
                    }
                    if(overloadGroupType) {
                        if(classType.call == null) {
                            classType.call = overloadGroupType.call;
                        } else {
                            if(overloadGroupType.call) {
                                classType.call.signatures.concat(overloadGroupType.call.signatures);
                            }
                        }
                        if(!isStatic) {
                            if(classType.instanceType == null) {
                                classType.instanceType = overloadGroupType.instanceType;
                            }
                            var instanceType = classType.instanceType;
                            if(instanceType) {
                                if(instanceType.call == null) {
                                    instanceType.call = overloadGroupType.call;
                                } else {
                                    if(overloadGroupType.call) {
                                        instanceType.call.signatures.concat(overloadGroupType.call.signatures);
                                    }
                                }
                            }
                        }
                        if(classType.index == null) {
                            classType.index = overloadGroupType.index;
                        } else {
                            if(overloadGroupType.index) {
                                classType.index.signatures.concat(overloadGroupType.index.signatures);
                            }
                        }
                    }
                }
            }
            return signature;
        };
        TypeChecker.prototype.createAccessorSymbol = function (funcDecl, fgSym, enclosingClass, addToMembers, isClassProperty, scope, container) {
            var accessorSym = null;
            var sig = funcDecl.signature;
            var nameText = funcDecl.name.text;
            var isStatic = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static);
            var isPrivate = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Private);
            if(fgSym == null) {
                var field = new TypeScript.ValueLocation();
                accessorSym = new TypeScript.FieldSymbol(nameText, funcDecl.minChar, this.locationInfo.unitIndex, false, field);
                field.symbol = accessorSym;
                accessorSym.declAST = funcDecl;
                if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor)) {
                    if(accessorSym.getter) {
                        this.errorReporter.simpleError(funcDecl, "Redeclaration of property getter");
                    }
                    accessorSym.getter = sig.declAST.type.symbol;
                } else {
                    if(accessorSym.setter) {
                        this.errorReporter.simpleError(funcDecl, "Redeclaration of property setter");
                    }
                    accessorSym.setter = sig.declAST.type.symbol;
                }
                field.typeLink = TypeScript.getTypeLink(null, this, false);
                if(addToMembers) {
                    if(enclosingClass) {
                        if(!enclosingClass.members.publicMembers.add(nameText, accessorSym)) {
                            this.errorReporter.duplicateIdentifier(funcDecl, accessorSym.name);
                        }
                        accessorSym.container = enclosingClass.symbol;
                    } else {
                        this.errorReporter.simpleError(funcDecl, "Accessor property may not be added in this context");
                    }
                } else {
                    scope.enter(container, funcDecl, accessorSym, this.errorReporter, !isPrivate || isStatic, false, false);
                }
                if(isClassProperty) {
                    accessorSym.flags |= TypeScript.SymbolFlags.Property;
                }
                if(isStatic) {
                    accessorSym.flags |= TypeScript.SymbolFlags.Static;
                }
                if(isPrivate) {
                    accessorSym.flags |= TypeScript.SymbolFlags.Private;
                } else {
                    accessorSym.flags |= TypeScript.SymbolFlags.Public;
                }
            } else {
                accessorSym = (fgSym);
                if(isPrivate != TypeScript.hasFlag(accessorSym.flags, TypeScript.SymbolFlags.Private)) {
                    this.errorReporter.simpleError(funcDecl, "Getter and setter accessors do not agree in visibility");
                }
                if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor)) {
                    if(accessorSym.getter) {
                        this.errorReporter.simpleError(funcDecl, "Redeclaration of property getter");
                    }
                    accessorSym.getter = funcDecl.type.symbol;
                } else {
                    if(accessorSym.setter) {
                        this.errorReporter.simpleError(funcDecl, "Redeclaration of property setter");
                    }
                    accessorSym.setter = funcDecl.type.symbol;
                }
            }
            return accessorSym;
        };
        TypeChecker.prototype.addBases = function (resultScope, type, baseContext) {
            resultScope.addParentScope(new TypeScript.SymbolTableScope(type.members, type.ambientMembers, type.getAllEnclosedTypes(), type.getAllAmbientEnclosedTypes(), type.symbol));
            var i = 0;
            var parent;
            if(type.extendsList) {
                for(var len = type.extendsList.length; i < len; i++) {
                    parent = type.extendsList[i];
                    if(baseContext.baseId == parent.typeID) {
                        this.errorReporter.reportErrorFromSym(parent.symbol, "Type '" + baseContext.base + "' is recursively referenced as a base class of itself");
                        parent.symbol.flags |= TypeScript.SymbolFlags.RecursivelyReferenced;
                        break;
                    }
                    this.addBases(resultScope, parent, baseContext);
                }
            }
        };
        TypeChecker.prototype.scopeOf = function (type) {
            var resultScope = new TypeScript.SymbolAggregateScope(type.symbol);
            var baseContext = {
                base: type.symbol && type.symbol.name ? type.symbol.name : "{}",
                baseId: type.typeID
            };
            this.addBases(resultScope, type, baseContext);
            return resultScope;
        };
        TypeChecker.prototype.lookupMemberType = function (containingType, name) {
            var symbol = null;
            if(containingType.containedScope) {
                symbol = containingType.containedScope.find(name, false, true);
            } else {
                if(containingType.members) {
                    symbol = containingType.members.allMembers.lookup(name);
                    if(symbol == null && containingType.ambientMembers) {
                        symbol = containingType.ambientMembers.allMembers.lookup(name);
                    }
                }
            }
            if(symbol == null) {
                var typeMembers = containingType.getAllEnclosedTypes();
                var ambientTypeMembers = containingType.getAllAmbientEnclosedTypes();
                if(typeMembers) {
                    symbol = typeMembers.allMembers.lookup(name);
                    if(symbol == null && ambientTypeMembers) {
                        symbol = ambientTypeMembers.allMembers.lookup(name);
                    }
                }
            }
            if(symbol && symbol.isType()) {
                return symbol.getType();
            } else {
                return null;
            }
        };
        TypeChecker.prototype.findSymbolForDynamicModule = function (idText, currentFileName, search) {
            var originalIdText = idText;
            var symbol = search(idText);
            if(symbol == null) {
                if(!symbol) {
                    idText = TypeScript.swapQuotes(originalIdText);
                    symbol = search(idText);
                }
                if(!symbol) {
                    idText = TypeScript.stripQuotes(originalIdText) + ".ts";
                    symbol = search(idText);
                }
                if(!symbol) {
                    idText = TypeScript.stripQuotes(originalIdText) + ".str";
                    symbol = search(idText);
                }
                if(!symbol) {
                    idText = TypeScript.stripQuotes(originalIdText) + ".d.ts";
                    symbol = search(idText);
                }
                if(!symbol) {
                    idText = TypeScript.stripQuotes(originalIdText) + ".d.str";
                    symbol = search(idText);
                }
                if(!symbol && !TypeScript.isRelative(originalIdText)) {
                    idText = originalIdText;
                    var strippedIdText = TypeScript.stripQuotes(idText);
                    var path = TypeScript.getRootFilePath(TypeScript.switchToForwardSlashes(currentFileName));
                    while(symbol == null && path != "" && path != "/") {
                        idText = TypeScript.normalizePath(path + strippedIdText + ".ts");
                        symbol = search(idText);
                        if(symbol == null) {
                            idText = TypeScript.changePathToSTR(idText);
                            symbol = search(idText);
                        }
                        if(symbol == null) {
                            idText = TypeScript.changePathToDTS(idText);
                            symbol = search(idText);
                        }
                        if(symbol == null) {
                            idText = TypeScript.changePathToDSTR(idText);
                            symbol = search(idText);
                        }
                        if(symbol == null) {
                            path = TypeScript.normalizePath(path + "..");
                            path = path && path != '/' ? path + '/' : path;
                        }
                    }
                }
            }
            return symbol;
        };
        TypeChecker.prototype.resolveTypeMember = function (scope, dotNode) {
            var lhs = dotNode.operand1;
            var rhs = dotNode.operand2;
            var resultType = this.anyType;
            var lhsType = this.anyType;
            if(lhs && rhs && (rhs.nodeType == TypeScript.NodeType.Name)) {
                if(lhs.nodeType == TypeScript.NodeType.Dot) {
                    lhsType = this.resolveTypeMember(scope, lhs);
                } else {
                    if(lhs.nodeType == TypeScript.NodeType.Name) {
                        var identifier = lhs;
                        var symbol = scope.find(identifier.text, false, true);
                        if(symbol == null) {
                            this.errorReporter.unresolvedSymbol(identifier, identifier.text);
                        } else {
                            if(symbol.isType()) {
                                var typeSymbol = symbol;
                                if(typeSymbol.aliasLink && !typeSymbol.type && typeSymbol.aliasLink.alias.nodeType == TypeScript.NodeType.Name) {
                                    var modPath = (typeSymbol.aliasLink.alias).text;
                                    var modSym = this.findSymbolForDynamicModule(modPath, this.locationInfo.filename, function (id) {
                                        return scope.find(id, false, true);
                                    });
                                    if(modSym) {
                                        typeSymbol.type = modSym.getType();
                                    }
                                }
                                if(TypeScript.optimizeModuleCodeGen && symbol) {
                                    var symType = symbol.getType();
                                    if(symType && typeSymbol.aliasLink && typeSymbol.onlyReferencedAsTypeRef) {
                                        var modDecl = symType.symbol.declAST;
                                        if(modDecl && TypeScript.hasFlag(modDecl.modFlags, TypeScript.ModuleFlags.IsDynamic)) {
                                            typeSymbol.onlyReferencedAsTypeRef = !this.resolvingBases;
                                        }
                                    }
                                }
                                if(!symbol.visible(scope, this)) {
                                    this.errorReporter.simpleError(lhs, "The symbol '" + identifier.text + "' is not visible at this point");
                                }
                                lhsType = symbol.getType();
                                identifier.sym = symbol;
                            } else {
                                this.errorReporter.simpleError(lhs, "Expected type");
                            }
                        }
                    }
                }
                if(!lhsType) {
                    lhsType = this.anyType;
                }
                if(lhsType != this.anyType) {
                    var rhsIdentifier = rhs;
                    resultType = this.lookupMemberType(lhsType, rhsIdentifier.text);
                    if(resultType == null) {
                        resultType = this.anyType;
                        this.errorReporter.simpleError(dotNode, "Expected type");
                    } else {
                        if(!resultType.symbol.visible(scope, this)) {
                            this.errorReporter.simpleError(lhs, "The symbol '" + (rhs).text + "' is not visible at this point");
                        }
                    }
                    rhsIdentifier.sym = resultType.symbol;
                }
            }
            if(resultType.isClass()) {
                resultType = resultType.instanceType;
            }
            return resultType;
        };
        TypeChecker.prototype.resolveFuncDecl = function (funcDecl, scope, fgSym) {
            var functionGroupSymbol = this.createFunctionSignature(funcDecl, scope.container, scope, fgSym, false).declAST.type.symbol;
            var signatures;
            if(funcDecl.isConstructMember()) {
                signatures = functionGroupSymbol.type.construct.signatures;
            } else {
                if(funcDecl.isIndexerMember()) {
                    signatures = functionGroupSymbol.type.getInstanceType().index.signatures;
                } else {
                    signatures = functionGroupSymbol.type.call.signatures;
                }
            }
            var signature = signatures[signatures.length - 1];
            var len = signature.parameters.length;
            for(var i = 0; i < len; i++) {
                var paramSym = signature.parameters[i];
                this.resolveTypeLink(scope, paramSym.parameter.typeLink, true);
            }
            if(len && funcDecl.variableArgList) {
                if(!signature.parameters[len - 1].parameter.typeLink.type.elementType) {
                    this.errorReporter.simpleErrorFromSym(signature.parameters[len - 1].parameter.symbol, "... parameter must have array type");
                    signature.parameters[len - 1].parameter.typeLink.type.elementType = this.makeArrayType(signature.parameters[len - 1].parameter.typeLink.type);
                }
            }
            this.resolveTypeLink(scope, signature.returnType, funcDecl.isSignature());
            return functionGroupSymbol;
        };
        TypeChecker.prototype.resolveVarDecl = function (varDecl, scope) {
            var field = new TypeScript.ValueLocation();
            var fieldSymbol = new TypeScript.FieldSymbol(varDecl.id.text, varDecl.minChar, this.locationInfo.unitIndex, (varDecl.varFlags & TypeScript.VarFlags.Readonly) == TypeScript.VarFlags.None, field);
            fieldSymbol.transferVarFlags(varDecl.varFlags);
            field.symbol = fieldSymbol;
            fieldSymbol.declAST = varDecl;
            field.typeLink = TypeScript.getTypeLink(varDecl.typeExpr, this, varDecl.init == null);
            this.resolveTypeLink(scope, field.typeLink, true);
            varDecl.sym = fieldSymbol;
            varDecl.type = field.typeLink.type;
            return fieldSymbol;
        };
        TypeChecker.prototype.resolveTypeLink = function (scope, typeLink, supplyVar) {
            var arrayCount = 0;
            if(typeLink.type == null) {
                var ast = typeLink.ast;
                if(ast) {
                    while(typeLink.type == null) {
                        switch(ast.nodeType) {
                            case TypeScript.NodeType.Name: {
                                var identifier = ast;
                                var symbol = scope.find(identifier.text, false, true);
                                if(symbol == null) {
                                    typeLink.type = this.anyType;
                                    this.errorReporter.unresolvedSymbol(identifier, identifier.text);
                                } else {
                                    if(symbol.isType()) {
                                        if(!symbol.visible(scope, this)) {
                                            this.errorReporter.simpleError(ast, "The symbol '" + identifier.text + "' is not visible at this point");
                                        }
                                        identifier.sym = symbol;
                                        typeLink.type = symbol.getType();
                                        if(typeLink.type) {
                                            if(typeLink.type.isClass()) {
                                                typeLink.type = typeLink.type.instanceType;
                                            }
                                        } else {
                                            typeLink.type = this.anyType;
                                        }
                                    } else {
                                        typeLink.type = this.anyType;
                                        this.errorReporter.simpleError(ast, "Expected type");
                                    }
                                }
                                break;

                            }
                            case TypeScript.NodeType.Dot: {
                                typeLink.type = this.resolveTypeMember(scope, ast);
                                break;

                            }
                            case TypeScript.NodeType.TypeRef: {
                                var typeRef = ast;
                                arrayCount = typeRef.arrayCount;
                                ast = typeRef.term;
                                if(ast == null) {
                                    typeLink.type = this.anyType;
                                }
                                break;

                            }
                            case TypeScript.NodeType.Interface: {
                                var interfaceDecl = ast;
                                var interfaceType = new TypeScript.Type();
                                var interfaceSymbol = new TypeScript.TypeSymbol((interfaceDecl.name).text, ast.minChar, this.locationInfo.unitIndex, interfaceType);
                                interfaceType.symbol = interfaceSymbol;
                                interfaceType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                                interfaceType.containedScope = new TypeScript.SymbolTableScope(interfaceType.members, null, null, null, interfaceSymbol);
                                interfaceType.containedScope.container = interfaceSymbol;
                                interfaceType.memberScope = interfaceType.containedScope;
                                var memberList = interfaceDecl.members;
                                var props = memberList.members;
                                var propsLen = props.length;
                                for(var j = 0; j < propsLen; j++) {
                                    var propDecl = props[j];
                                    var propSym = null;
                                    var addMember = true;
                                    var id = null;
                                    if(propDecl.nodeType == TypeScript.NodeType.FuncDecl) {
                                        var funcDecl = propDecl;
                                        id = funcDecl.name;
                                        propSym = interfaceType.members.allMembers.lookup(funcDecl.getNameText());
                                        addMember = (propSym == null);
                                        if(funcDecl.isSpecialFn()) {
                                            addMember = false;
                                            propSym = this.resolveFuncDecl(funcDecl, scope, interfaceSymbol);
                                        } else {
                                            propSym = this.resolveFuncDecl(funcDecl, scope, propSym);
                                        }
                                        funcDecl.type = (propSym).type;
                                    } else {
                                        id = (propDecl).id;
                                        propSym = this.resolveVarDecl(propDecl, scope);
                                    }
                                    if(addMember) {
                                        if(id && TypeScript.hasFlag(id.flags, TypeScript.ASTFlags.OptionalName)) {
                                            propSym.flags |= TypeScript.SymbolFlags.Optional;
                                        }
                                        if(!interfaceType.members.allMembers.add(propSym.name, propSym)) {
                                            this.errorReporter.duplicateIdentifier(ast, propSym.name);
                                        }
                                    }
                                }
                                ast.type = interfaceType;
                                typeLink.type = interfaceType;
                                break;

                            }
                            case TypeScript.NodeType.FuncDecl: {
                                var tsym = this.resolveFuncDecl(ast, scope, null);
                                typeLink.type = tsym.type;
                                break;

                            }
                            default: {
                                typeLink.type = this.anyType;
                                this.errorReporter.simpleError(ast, "Expected type");
                                break;

                            }
                        }
                    }
                }
                for(var count = arrayCount; count > 0; count--) {
                    typeLink.type = this.makeArrayType(typeLink.type);
                }
                if(supplyVar && (typeLink.type == null)) {
                    typeLink.type = this.anyType;
                }
                if(typeLink.ast) {
                    typeLink.ast.type = typeLink.type;
                }
            }
        };
        TypeChecker.prototype.findMostApplicableSignature = function (signatures, args) {
            if(signatures.length == 1) {
                return {
                    sig: signatures[0].signature,
                    ambiguous: false
                };
            }
            var best = signatures[0];
            var Q = null;
            var AType = null;
            var PType = null;
            var QType = null;
            var ambiguous = false;
            for(var qSig = 1; qSig < signatures.length; qSig++) {
                Q = signatures[qSig];
                var i = 0;
                for(i = 0; args && i < args.members.length; i++) {
                    AType = args.members[i].type;
                    PType = i < best.signature.parameters.length ? best.signature.parameters[i].getType() : best.signature.parameters[best.signature.parameters.length - 1].getType().elementType;
                    QType = i < Q.signature.parameters.length ? Q.signature.parameters[i].getType() : Q.signature.parameters[Q.signature.parameters.length - 1].getType().elementType;
                    if(this.typesAreIdentical(PType, QType)) {
                        continue;
                    } else {
                        if(this.typesAreIdentical(AType, PType)) {
                            break;
                        } else {
                            if(this.typesAreIdentical(AType, QType)) {
                                best = Q;
                                break;
                            } else {
                                if(this.sourceIsSubtypeOfTarget(PType, QType)) {
                                    break;
                                } else {
                                    if(this.sourceIsSubtypeOfTarget(QType, PType)) {
                                        best = Q;
                                        break;
                                    } else {
                                        if(Q.hadProvisionalErrors) {
                                            break;
                                        } else {
                                            if(best.hadProvisionalErrors) {
                                                best = Q;
                                                break;
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                if(!args || i == args.members.length) {
                    var collection = {
                        getLength: function () {
                            return 2;
                        },
                        setTypeAtIndex: function (index, type) {
                        },
                        getTypeAtIndex: function (index) {
                            return index ? Q.signature.returnType.type : best.signature.returnType.type;
                        }
                    };
                    var bct = this.findBestCommonType(best.signature.returnType.type, null, collection);
                    ambiguous = !bct;
                } else {
                    ambiguous = false;
                }
            }
            return {
                sig: best.signature,
                ambiguous: ambiguous
            };
        };
        TypeChecker.prototype.getApplicableSignatures = function (signatures, args, comparisonInfo) {
            var applicableSigs = [];
            var memberType = null;
            var miss = false;
            var cxt = null;
            var hadProvisionalErrors = false;
            for(var i = 0; i < signatures.length; i++) {
                miss = false;
                for(var j = 0; j < args.members.length; j++) {
                    if(j >= signatures[i].parameters.length) {
                        continue;
                    }
                    memberType = signatures[i].parameters[j].getType();
                    if(signatures[i].declAST.variableArgList && (j >= signatures[i].nonOptionalParameterCount - 1) && memberType.isArray()) {
                        memberType = memberType.elementType;
                    }
                    if(memberType == this.anyType) {
                        continue;
                    } else {
                        if(args.members[j].nodeType == TypeScript.NodeType.FuncDecl) {
                            if(this.typeFlow.functionInterfaceType && memberType == this.typeFlow.functionInterfaceType) {
                                continue;
                            }
                            if(!this.canContextuallyTypeFunction(memberType, args.members[j], true)) {
                                if(this.canContextuallyTypeFunction(memberType, args.members[j], false)) {
                                    this.typeFlow.typeCheck(args.members[j]);
                                    if(!this.sourceIsAssignableToTarget(args.members[j].type, memberType, comparisonInfo)) {
                                        break;
                                    }
                                } else {
                                    break;
                                }
                            } else {
                                this.typeCheckWithContextualType(memberType, true, true, args.members[j]);
                                this.cleanStartedPTO();
                                hadProvisionalErrors = this.hadProvisionalErrors();
                                if(!this.sourceIsAssignableToTarget(args.members[j].type, memberType, comparisonInfo)) {
                                    if(comparisonInfo) {
                                        comparisonInfo.setMessage("Could not apply type '" + memberType.getTypeName() + "' to argument " + (j + 1) + ", which is of type '" + args.members[j].type.getTypeName() + "'");
                                    }
                                    miss = true;
                                }
                                if(hadProvisionalErrors) {
                                    cxt = this.currentContextualTypeContext;
                                    this.typeCheckWithContextualType(null, true, true, args.members[j]);
                                    if(!this.sourceIsAssignableToTarget(args.members[j].type, memberType)) {
                                        miss = true;
                                    }
                                    this.cleanStartedPTO();
                                }
                                this.resetProvisionalErrors();
                                if(miss) {
                                    break;
                                }
                            }
                        } else {
                            if(args.members[j].nodeType == TypeScript.NodeType.ObjectLit) {
                                if(this.typeFlow.objectInterfaceType && memberType == this.typeFlow.objectInterfaceType) {
                                    continue;
                                }
                                this.typeCheckWithContextualType(memberType, true, true, args.members[j]);
                                this.cleanStartedPTO();
                                hadProvisionalErrors = this.hadProvisionalErrors();
                                if(!this.sourceIsAssignableToTarget(args.members[j].type, memberType, comparisonInfo)) {
                                    if(comparisonInfo) {
                                        comparisonInfo.setMessage("Could not apply type '" + memberType.getTypeName() + "' to argument " + (j + 1) + ", which is of type '" + args.members[j].type.getTypeName() + "'");
                                    }
                                    miss = true;
                                }
                                if(hadProvisionalErrors) {
                                    this.typeCheckWithContextualType(null, true, true, args.members[j]);
                                    if(!this.sourceIsAssignableToTarget(args.members[j].type, memberType)) {
                                        miss = true;
                                    }
                                    this.cleanStartedPTO();
                                }
                                this.resetProvisionalErrors();
                                if(miss) {
                                    break;
                                }
                            } else {
                                if(args.members[j].nodeType == TypeScript.NodeType.ArrayLit) {
                                    if(this.typeFlow.arrayInterfaceType && memberType == this.typeFlow.arrayInterfaceType) {
                                        continue;
                                    }
                                    this.typeCheckWithContextualType(memberType, true, true, args.members[j]);
                                    this.cleanStartedPTO();
                                    hadProvisionalErrors = this.hadProvisionalErrors();
                                    if(!this.sourceIsAssignableToTarget(args.members[j].type, memberType, comparisonInfo)) {
                                        if(comparisonInfo) {
                                            comparisonInfo.setMessage("Could not apply type '" + memberType.getTypeName() + "' to argument " + (j + 1) + ", which is of type '" + args.members[j].type.getTypeName() + "'");
                                        }
                                        break;
                                    }
                                    if(hadProvisionalErrors) {
                                        this.typeCheckWithContextualType(null, true, true, args.members[j]);
                                        if(!this.sourceIsAssignableToTarget(args.members[j].type, memberType)) {
                                            miss = true;
                                        }
                                        this.cleanStartedPTO();
                                    }
                                    this.resetProvisionalErrors();
                                    if(miss) {
                                        break;
                                    }
                                }
                            }
                        }
                    }
                }
                if(j == args.members.length) {
                    applicableSigs[applicableSigs.length] = {
                        signature: signatures[i],
                        hadProvisionalErrors: hadProvisionalErrors
                    };
                }
                hadProvisionalErrors = false;
            }
            return applicableSigs;
        };
        TypeChecker.prototype.canContextuallyTypeFunction = function (candidateType, funcDecl, beStringent) {
            if(funcDecl.isParenthesized || funcDecl.isMethod() || beStringent && funcDecl.returnTypeAnnotation || funcDecl.isInlineCallLiteral) {
                return false;
            }
            beStringent = beStringent || (this.typeFlow.functionInterfaceType == candidateType);
            if(!beStringent) {
                return true;
            }
            if(!funcDecl.signature) {
                this.createFunctionSignature(funcDecl, this.typeFlow.scope.container, this.typeFlow.scope, null, null);
                this.typeFlow.typeCheck(funcDecl);
            }
            var signature = funcDecl.signature;
            var paramLen = signature.parameters.length;
            for(var i = 0; i < paramLen; i++) {
                var param = signature.parameters[i];
                var symbol = param;
                var argDecl = symbol.declAST;
                if(beStringent && argDecl.typeExpr) {
                    return false;
                }
            }
            if(candidateType.construct && candidateType.call) {
                return false;
            }
            var candidateSigs = candidateType.construct ? candidateType.construct : candidateType.call;
            if(!candidateSigs || candidateSigs.signatures.length > 1) {
                return false;
            }
            return true;
        };
        TypeChecker.prototype.canContextuallyTypeObjectLiteral = function (targetType, objectLit) {
            if(targetType == this.typeFlow.objectInterfaceType) {
                return true;
            }
            var memberDecls = objectLit.operand;
            if(!(memberDecls && targetType.memberScope)) {
                return false;
            }
            var id = null;
            var targetMember = null;
            var text = "";
            var foundSyms = {
            };
            for(var i = 0; i < memberDecls.members.length; i++) {
                id = (memberDecls.members[i]).operand1;
                if(id.nodeType == TypeScript.NodeType.Name) {
                    text = (id).text;
                } else {
                    if(id.nodeType == TypeScript.NodeType.QString) {
                        var idText = (id).text;
                        text = idText.substring(1, idText.length - 1);
                    } else {
                        return false;
                    }
                }
                targetMember = targetType.memberScope.find(text, true, false);
                if(!targetMember) {
                    return false;
                }
                foundSyms[text] = true;
            }
            var targetMembers = targetType.memberScope.getAllValueSymbolNames(true);
            for(var i = 0; i < targetMembers.length; i++) {
                var memberName = targetMembers[i];
                var memberSym = targetType.memberScope.find(memberName, true, false);
                if(!foundSyms[targetMembers[i]] && !TypeScript.hasFlag(memberSym.flags, TypeScript.SymbolFlags.Optional)) {
                    return false;
                }
            }
            return true;
        };
        TypeChecker.prototype.widenType = function (t) {
            if(t == this.undefinedType || t == this.nullType) {
                return this.anyType;
            }
            return t;
        };
        TypeChecker.prototype.isNullOrUndefinedType = function (t) {
            return t == this.undefinedType || t == this.nullType;
        };
        TypeChecker.prototype.findBestCommonType = function (initialType, targetType, collection, comparisonInfo) {
            var i = 0;
            var len = collection.getLength();
            var nlastChecked = 0;
            var bestCommonType = initialType;
            if(targetType) {
                bestCommonType = bestCommonType ? bestCommonType.mergeOrdered(targetType, this) : targetType;
            }
            var convergenceType = bestCommonType;
            while(nlastChecked < len) {
                for(i = 0; i < len; i++) {
                    if(i == nlastChecked) {
                        continue;
                    }
                    if(convergenceType && (bestCommonType = convergenceType.mergeOrdered(collection.getTypeAtIndex(i), this, comparisonInfo))) {
                        convergenceType = bestCommonType;
                    }
                    if(bestCommonType == this.anyType || bestCommonType == null) {
                        break;
                    } else {
                        if(targetType) {
                            collection.setTypeAtIndex(i, targetType);
                        }
                    }
                }
                if(convergenceType && bestCommonType) {
                    break;
                }
                nlastChecked++;
                if(nlastChecked < len) {
                    convergenceType = collection.getTypeAtIndex(nlastChecked);
                }
            }
            return bestCommonType;
        };
        TypeChecker.prototype.typesAreIdentical = function (t1, t2) {
            if(t1 == t2) {
                return true;
            }
            if(!t1 || !t2) {
                return false;
            }
            var comboId = (t2.typeID << 16) | t1.typeID;
            if(this.identicalCache[comboId]) {
                return true;
            }
            if((t1.typeFlags & TypeScript.TypeFlags.IsEnum) || (t2.typeFlags & TypeScript.TypeFlags.IsEnum)) {
                return false;
            }
            if(t1.isArray() || t2.isArray()) {
                if(!(t1.isArray() && t2.isArray())) {
                    return false;
                }
                this.identicalCache[comboId] = false;
                var ret = this.typesAreIdentical(t1.elementType, t2.elementType);
                if(ret) {
                    this.subtypeCache[comboId] = true;
                } else {
                    this.subtypeCache[comboId] = undefined;
                }
                return ret;
            }
            if(t1.primitiveTypeClass != t2.primitiveTypeClass) {
                return false;
            }
            this.identicalCache[comboId] = false;
            if(t1.memberScope && t2.memberScope) {
                var t1MemberKeys = t1.memberScope.getAllValueSymbolNames(true).sort();
                var t2MemberKeys = t2.memberScope.getAllValueSymbolNames(true).sort();
                if(t1MemberKeys.length != t2MemberKeys.length) {
                    this.identicalCache[comboId] = undefined;
                    return false;
                }
                var t1MemberSymbol = null;
                var t2MemberSymbol = null;
                var t1MemberType = null;
                var t2MemberType = null;
                for(var iMember = 0; iMember < t1MemberKeys.length; iMember++) {
                    if(t1MemberKeys[iMember] != t2MemberKeys[iMember]) {
                        this.identicalCache[comboId] = undefined;
                        return false;
                    }
                    t1MemberSymbol = t1.memberScope.find(t1MemberKeys[iMember], false, false);
                    t2MemberSymbol = t2.memberScope.find(t2MemberKeys[iMember], false, false);
                    if((t1MemberSymbol.flags & TypeScript.SymbolFlags.Optional) != (t2MemberSymbol.flags & TypeScript.SymbolFlags.Optional)) {
                        this.identicalCache[comboId] = undefined;
                        return false;
                    }
                    t1MemberType = t1MemberSymbol.getType();
                    t2MemberType = t2MemberSymbol.getType();
                    if(t1MemberType && t2MemberType && (this.identicalCache[(t2MemberType.typeID << 16) | t1MemberType.typeID] != undefined)) {
                        continue;
                    }
                    if(!this.typesAreIdentical(t1MemberType, t2MemberType)) {
                        this.identicalCache[comboId] = undefined;
                        return false;
                    }
                }
            } else {
                if(t1.memberScope || t2.memberScope) {
                    this.identicalCache[comboId] = undefined;
                    return false;
                }
            }
            if(!this.signatureGroupsAreIdentical(t1.call, t2.call)) {
                this.identicalCache[comboId] = undefined;
                return false;
            }
            if(!this.signatureGroupsAreIdentical(t1.construct, t2.construct)) {
                this.identicalCache[comboId] = undefined;
                return false;
            }
            if(!this.signatureGroupsAreIdentical(t1.index, t2.index)) {
                this.identicalCache[comboId] = undefined;
                return false;
            }
            this.identicalCache[comboId] = true;
            return true;
        };
        TypeChecker.prototype.signatureGroupsAreIdentical = function (sg1, sg2) {
            if(sg1 == sg2) {
                return true;
            }
            if(!sg1 || !sg2) {
                return false;
            }
            if(sg1.signatures.length != sg2.signatures.length) {
                return false;
            }
            var sig1 = null;
            var sig2 = null;
            var sigsMatch = false;
            for(var iSig1 = 0; iSig1 < sg1.signatures.length; iSig1++) {
                sig1 = sg1.signatures[iSig1];
                for(var iSig2 = 0; iSig2 < sg2.signatures.length; iSig2++) {
                    sig2 = sg2.signatures[iSig2];
                    if(this.signaturesAreIdentical(sig1, sig2)) {
                        sigsMatch = true;
                        break;
                    }
                }
                if(sigsMatch) {
                    sigsMatch = false;
                    continue;
                }
                return false;
            }
            return true;
        };
        TypeChecker.prototype.signaturesAreIdentical = function (s1, s2) {
            if(s1.hasVariableArgList != s2.hasVariableArgList) {
                return false;
            }
            if(s1.nonOptionalParameterCount != s2.nonOptionalParameterCount) {
                return false;
            }
            if(s1.parameters.length != s2.parameters.length) {
                return false;
            }
            if(!this.typesAreIdentical(s1.returnType.type, s2.returnType.type)) {
                return false;
            }
            for(var iParam = 0; iParam < s1.parameters.length; iParam++) {
                if(!this.typesAreIdentical(s1.parameters[iParam].parameter.typeLink.type, s2.parameters[iParam].parameter.typeLink.type)) {
                    return false;
                }
            }
            return true;
        };
        TypeChecker.prototype.sourceIsSubtypeOfTarget = function (source, target, comparisonInfo) {
            return this.sourceIsRelatableToTarget(source, target, false, this.subtypeCache, comparisonInfo);
        };
        TypeChecker.prototype.signatureGroupIsSubtypeOfTarget = function (sg1, sg2, comparisonInfo) {
            return this.signatureGroupIsRelatableToTarget(sg1, sg2, false, this.subtypeCache, comparisonInfo);
        };
        TypeChecker.prototype.signatureIsSubtypeOfTarget = function (s1, s2, comparisonInfo) {
            return this.signatureIsRelatableToTarget(s1, s2, false, this.subtypeCache, comparisonInfo);
        };
        TypeChecker.prototype.sourceIsAssignableToTarget = function (source, target, comparisonInfo) {
            return this.sourceIsRelatableToTarget(source, target, true, this.assignableCache, comparisonInfo);
        };
        TypeChecker.prototype.signatureGroupIsAssignableToTarget = function (sg1, sg2, comparisonInfo) {
            return this.signatureGroupIsRelatableToTarget(sg1, sg2, true, this.assignableCache, comparisonInfo);
        };
        TypeChecker.prototype.signatureIsAssignableToTarget = function (s1, s2, comparisonInfo) {
            return this.signatureIsRelatableToTarget(s1, s2, true, this.assignableCache, comparisonInfo);
        };
        TypeChecker.prototype.sourceIsRelatableToTarget = function (source, target, assignableTo, comparisonCache, comparisonInfo) {
            if(source == target) {
                return true;
            }
            if(!(source && target)) {
                return true;
            }
            var comboId = (source.typeID << 16) | target.typeID;
            if(comparisonCache[comboId]) {
                return true;
            }
            if(assignableTo) {
                if(source == this.anyType || target == this.anyType) {
                    return true;
                }
            } else {
                if(target == this.anyType) {
                    return true;
                }
            }
            if(source == this.undefinedType) {
                return true;
            }
            if((source == this.nullType) && (target != this.undefinedType && target != this.voidType)) {
                return true;
            }
            if(target == this.numberType && (source.typeFlags & TypeScript.TypeFlags.IsEnum)) {
                return true;
            }
            if(source == this.numberType && (target.typeFlags & TypeScript.TypeFlags.IsEnum)) {
                return true;
            }
            if((source.typeFlags & TypeScript.TypeFlags.IsEnum) || (target.typeFlags & TypeScript.TypeFlags.IsEnum)) {
                return false;
            }
            if(source.isArray() || target.isArray()) {
                if(!(source.isArray() && target.isArray())) {
                    return false;
                }
                comparisonCache[comboId] = false;
                var ret = this.sourceIsRelatableToTarget(source.elementType, target.elementType, assignableTo, comparisonCache, comparisonInfo);
                if(ret) {
                    comparisonCache[comboId] = true;
                } else {
                    comparisonCache[comboId] = undefined;
                }
                return ret;
            }
            if(source.primitiveTypeClass != target.primitiveTypeClass) {
                if(target.primitiveTypeClass == TypeScript.Primitive.None) {
                    if(source == this.numberType && this.typeFlow.numberInterfaceType) {
                        source = this.typeFlow.numberInterfaceType;
                    } else {
                        if(source == this.stringType && this.typeFlow.stringInterfaceType) {
                            source = this.typeFlow.stringInterfaceType;
                        } else {
                            if(source == this.booleanType && this.typeFlow.booleanInterfaceType) {
                                source = this.typeFlow.booleanInterfaceType;
                            } else {
                                return false;
                            }
                        }
                    }
                } else {
                    return false;
                }
            }
            comparisonCache[comboId] = false;
            if(source.hasBase(target)) {
                comparisonCache[comboId] = true;
                return true;
            }
            if(this.typeFlow.objectInterfaceType && target == this.typeFlow.objectInterfaceType) {
                return true;
            }
            if(this.typeFlow.functionInterfaceType && (source.call || source.construct) && target == this.typeFlow.functionInterfaceType) {
                return true;
            }
            if(target.isClass() || target.isClassInstance()) {
                comparisonCache[comboId] = undefined;
                return false;
            }
            if(target.memberScope && source.memberScope) {
                var mPropKeys = target.memberScope.getAllValueSymbolNames(true);
                var mProp = null;
                var nProp = null;
                var mPropType = null;
                var nPropType = null;
                var inferenceSymbol = null;
                for(var iMProp = 0; iMProp < mPropKeys.length; iMProp++) {
                    mProp = target.memberScope.find(mPropKeys[iMProp], false, false);
                    nProp = source.memberScope.find(mPropKeys[iMProp], false, false);
                    if(mProp.kind() == TypeScript.SymbolKind.Variable && (mProp).variable.typeLink.ast && (mProp).variable.typeLink.ast.nodeType == TypeScript.NodeType.Name && ((mProp).variable.typeLink.ast).text == "IArguments") {
                        continue;
                    }
                    if(mProp.isInferenceSymbol()) {
                        inferenceSymbol = mProp;
                        if(inferenceSymbol.typeCheckStatus == TypeScript.TypeCheckStatus.NotStarted) {
                            this.typeFlow.typeCheck(mProp.declAST);
                        }
                    }
                    mPropType = mProp.getType();
                    if(!nProp) {
                        if(this.typeFlow.objectInterfaceType) {
                            nProp = this.typeFlow.objectInterfaceType.memberScope.find(mPropKeys[iMProp], false, false);
                        }
                        if(!nProp) {
                            if(this.typeFlow.functionInterfaceType && (mPropType.call || mPropType.construct)) {
                                nProp = this.typeFlow.functionInterfaceType.memberScope.find(mPropKeys[iMProp], false, false);
                            }
                            if(!nProp) {
                                if(!(mProp.flags & TypeScript.SymbolFlags.Optional)) {
                                    comparisonCache[comboId] = undefined;
                                    if(comparisonInfo) {
                                        comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.RequiredPropertyIsMissing;
                                        comparisonInfo.addMessageToFront("Type '" + source.getTypeName() + "' is missing property '" + mPropKeys[iMProp] + "' from type '" + target.getTypeName() + "'");
                                    }
                                    return false;
                                } else {
                                    continue;
                                }
                            }
                        }
                    }
                    if(nProp.isInferenceSymbol()) {
                        inferenceSymbol = nProp;
                        if(inferenceSymbol.typeCheckStatus == TypeScript.TypeCheckStatus.NotStarted) {
                            this.typeFlow.typeCheck(nProp.declAST);
                        }
                    }
                    nPropType = nProp.getType();
                    if(mPropType && nPropType && (comparisonCache[(nPropType.typeID << 16) | mPropType.typeID] != undefined)) {
                        continue;
                    }
                    if(!this.sourceIsRelatableToTarget(nPropType, mPropType, assignableTo, comparisonCache, comparisonInfo)) {
                        comparisonCache[comboId] = undefined;
                        if(comparisonInfo) {
                            comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatiblePropertyTypes;
                            comparisonInfo.addMessageToFront("Types of property '" + mProp.name + "' of types '" + source.getTypeName() + "' and '" + target.getTypeName() + "' are incompatible");
                        }
                        return false;
                    }
                }
            }
            if(source.call || target.call) {
                if(!this.signatureGroupIsRelatableToTarget(source.call, target.call, assignableTo, comparisonCache, comparisonInfo)) {
                    if(comparisonInfo) {
                        if(source.call && target.call) {
                            comparisonInfo.addMessageToFront("Call signatures of types '" + source.getTypeName() + "' and '" + target.getTypeName() + "' are incompatible");
                        } else {
                            var hasSig = target.call ? target.getTypeName() : source.getTypeName();
                            var lacksSig = !target.call ? target.getTypeName() : source.getTypeName();
                            comparisonInfo.setMessage("Type '" + hasSig + "' requires a call signature, but Type '" + lacksSig + "' lacks one");
                        }
                        comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatibleSignatures;
                    }
                    comparisonCache[comboId] = undefined;
                    return false;
                }
            }
            if(source.construct || target.construct) {
                if(!this.signatureGroupIsRelatableToTarget(source.construct, target.construct, assignableTo, comparisonCache, comparisonInfo)) {
                    if(comparisonInfo) {
                        if(source.construct && target.construct) {
                            comparisonInfo.addMessageToFront("Construct signatures of types '" + source.getTypeName() + "' and '" + target.getTypeName() + "' are incompatible");
                        } else {
                            var hasSig = target.construct ? target.getTypeName() : source.getTypeName();
                            var lacksSig = !target.construct ? target.getTypeName() : source.getTypeName();
                            comparisonInfo.setMessage("Type '" + hasSig + "' requires a construct signature, but Type '" + lacksSig + "' lacks one");
                        }
                        comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatibleSignatures;
                    }
                    comparisonCache[comboId] = undefined;
                    return false;
                }
            }
            if(target.index) {
                var targetIndex = !target.index && this.typeFlow.objectInterfaceType ? this.typeFlow.objectInterfaceType.index : target.index;
                var sourceIndex = !source.index && this.typeFlow.objectInterfaceType ? this.typeFlow.objectInterfaceType.index : source.index;
                if(!this.signatureGroupIsRelatableToTarget(sourceIndex, targetIndex, assignableTo, comparisonCache, comparisonInfo)) {
                    if(comparisonInfo) {
                        comparisonInfo.addMessageToFront("Index signatures of types '" + source.getTypeName() + "' and '" + target.getTypeName() + "' are incompatible");
                        comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatibleSignatures;
                    }
                    comparisonCache[comboId] = undefined;
                    return false;
                }
            }
            comparisonCache[comboId] = true;
            return true;
        };
        TypeChecker.prototype.signatureGroupIsRelatableToTarget = function (sourceSG, targetSG, assignableTo, comparisonCache, comparisonInfo) {
            if(sourceSG == targetSG) {
                return true;
            }
            if(!(sourceSG && targetSG)) {
                return false;
            }
            var mSig = null;
            var nSig = null;
            var foundMatch = false;
            for(var iMSig = 0; iMSig < targetSG.signatures.length; iMSig++) {
                mSig = targetSG.signatures[iMSig];
                for(var iNSig = 0; iNSig < sourceSG.signatures.length; iNSig++) {
                    nSig = sourceSG.signatures[iNSig];
                    if(this.signatureIsRelatableToTarget(nSig, mSig, assignableTo, comparisonCache, comparisonInfo)) {
                        foundMatch = true;
                        break;
                    }
                }
                if(foundMatch) {
                    foundMatch = false;
                    continue;
                }
                return false;
            }
            return true;
        };
        TypeChecker.prototype.signatureIsRelatableToTarget = function (sourceSig, targetSig, assignableTo, comparisonCache, comparisonInfo) {
            if(!sourceSig.parameters || !targetSig.parameters) {
                return false;
            }
            var targetVarArgCount = targetSig.hasVariableArgList ? targetSig.nonOptionalParameterCount - 1 : targetSig.nonOptionalParameterCount;
            var sourceVarArgCount = sourceSig.hasVariableArgList ? sourceSig.nonOptionalParameterCount - 1 : sourceSig.nonOptionalParameterCount;
            if(sourceVarArgCount > targetVarArgCount && !targetSig.hasVariableArgList) {
                if(comparisonInfo) {
                    comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.SourceSignatureHasTooManyParameters;
                    comparisonInfo.addMessageToFront("Call signature expects " + targetVarArgCount + " or fewer parameters");
                }
                return false;
            }
            var sourceReturnType = sourceSig.returnType.type;
            var targetReturnType = targetSig.returnType.type;
            if(targetReturnType != this.voidType) {
                if(!this.sourceIsRelatableToTarget(sourceReturnType, targetReturnType, assignableTo, comparisonCache, comparisonInfo)) {
                    if(comparisonInfo) {
                        comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatibleReturnTypes;
                    }
                    return false;
                }
            }
            var len = (sourceVarArgCount < targetVarArgCount && sourceSig.hasVariableArgList) ? targetVarArgCount : sourceVarArgCount;
            var sourceParamType = null;
            var targetParamType = null;
            var sourceParamName = "";
            var targetParamName = "";
            for(var iSource = 0, iTarget = 0; iSource < len; iSource++ , iTarget++) {
                if(!sourceSig.hasVariableArgList || iSource < sourceVarArgCount) {
                    sourceParamType = (sourceSig.parameters[iSource]).parameter.typeLink.type;
                    sourceParamName = (sourceSig.parameters[iSource]).parameter.symbol.name;
                } else {
                    if(iSource == sourceVarArgCount) {
                        sourceParamType = (sourceSig.parameters[iSource]).parameter.typeLink.type;
                        if(sourceParamType.elementType) {
                            sourceParamType = sourceParamType.elementType;
                        }
                        sourceParamName = (sourceSig.parameters[iSource]).parameter.symbol.name;
                    }
                }
                if(iTarget < targetSig.parameters.length && iTarget < targetVarArgCount) {
                    targetParamType = (targetSig.parameters[iTarget]).parameter.typeLink.type;
                    targetParamName = (targetSig.parameters[iTarget]).parameter.symbol.name;
                } else {
                    if(targetSig.hasVariableArgList && iTarget == targetVarArgCount) {
                        targetParamType = (targetSig.parameters[iTarget]).parameter.typeLink.type;
                        if(targetParamType.elementType) {
                            targetParamType = targetParamType.elementType;
                        }
                        targetParamName = (targetSig.parameters[iTarget]).parameter.symbol.name;
                    }
                }
                if(!(this.sourceIsRelatableToTarget(sourceParamType, targetParamType, assignableTo, comparisonCache, comparisonInfo) || this.sourceIsRelatableToTarget(targetParamType, sourceParamType, assignableTo, comparisonCache, comparisonInfo))) {
                    if(comparisonInfo) {
                        comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatibleParameterTypes;
                    }
                    return false;
                }
            }
            return true;
        };
        return TypeChecker;
    })();
    TypeScript.TypeChecker = TypeChecker;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var Continuation = (function () {
        function Continuation(normalBlock) {
            this.normalBlock = normalBlock;
            this.exceptionBlock = -1;
        }
        return Continuation;
    })();
    TypeScript.Continuation = Continuation;    
    function getBaseTypeLinks(bases, baseTypeLinks) {
        if(bases) {
            var len = bases.members.length;
            if(baseTypeLinks == null) {
                baseTypeLinks = new Array();
            }
            for(var i = 0; i < len; i++) {
                var baseExpr = bases.members[i];
                var name = baseExpr;
                if(name.nodeType == TypeScript.NodeType.Call) {
                    name = (name).target;
                }
                var typeLink = new TypeScript.TypeLink();
                typeLink.ast = name;
                baseTypeLinks[baseTypeLinks.length] = typeLink;
            }
        }
        return baseTypeLinks;
    }
    function getBases(type, typeDecl) {
        type.extendsTypeLinks = getBaseTypeLinks(typeDecl.extendsList, type.extendsTypeLinks);
        type.implementsTypeLinks = getBaseTypeLinks(typeDecl.implementsList, type.implementsTypeLinks);
    }
    function addPrototypeField(classType, ast, context) {
        var field = new TypeScript.ValueLocation();
        field.typeLink = new TypeScript.TypeLink();
        field.typeLink.ast = ast;
        field.typeLink.type = classType.instanceType;
        var fieldSymbol = new TypeScript.FieldSymbol("prototype", ast.minChar, context.checker.locationInfo.unitIndex, true, field);
        fieldSymbol.flags |= (TypeScript.SymbolFlags.Property | TypeScript.SymbolFlags.BuiltIn);
        field.symbol = fieldSymbol;
        fieldSymbol.declAST = ast;
        classType.members.addPublicMember("prototype", fieldSymbol);
    }
    function createNewConstructGroupForType(type) {
        var signature = new TypeScript.Signature();
        signature.returnType = new TypeScript.TypeLink();
        signature.returnType.type = type.instanceType;
        signature.parameters = [];
        type.construct = new TypeScript.SignatureGroup();
        type.construct.addSignature(signature);
    }
    TypeScript.createNewConstructGroupForType = createNewConstructGroupForType;
    function cloneParentConstructGroupForChildType(child, parent) {
        child.construct = new TypeScript.SignatureGroup();
        var sig = null;
        if(!parent.construct) {
            createNewConstructGroupForType(parent);
        }
        for(var i = 0; i < parent.construct.signatures.length; i++) {
            sig = new TypeScript.Signature();
            sig.parameters = parent.construct.signatures[i].parameters;
            sig.nonOptionalParameterCount = parent.construct.signatures[i].nonOptionalParameterCount;
            sig.typeCheckStatus = parent.construct.signatures[i].typeCheckStatus;
            sig.declAST = parent.construct.signatures[i].declAST;
            sig.returnType = new TypeScript.TypeLink();
            sig.returnType.type = child.instanceType;
            child.construct.addSignature(sig);
        }
    }
    TypeScript.cloneParentConstructGroupForChildType = cloneParentConstructGroupForChildType;
    TypeScript.globalId = "__GLO";
    function findTypeSymbolInScopeChain(name, scopeChain) {
        var symbol = scopeChain.scope.find(name, false, true);
        if(symbol == null && scopeChain.previous) {
            symbol = findTypeSymbolInScopeChain(name, scopeChain.previous);
        }
        return symbol;
    }
    function findSymbolFromAlias(alias, context) {
        var symbol = null;
        switch(alias.nodeType) {
            case TypeScript.NodeType.Name: {
                var name = (alias).text;
                var isDynamic = TypeScript.isQuoted(name);
                var findSym = function (id) {
                    if(context.members) {
                        return context.members.lookup(name);
                    } else {
                        return findTypeSymbolInScopeChain(name, context.topLevelScope);
                    }
                };
                if(isDynamic) {
                    symbol = context.tcContext.checker.findSymbolForDynamicModule(name, context.tcContext.script.locationInfo.filename, findSym);
                } else {
                    symbol = findSym(name);
                }
                break;

            }
            case TypeScript.NodeType.Dot: {
                var dottedExpr = alias;
                var op1Sym = findSymbolFromAlias(dottedExpr.operand1, context);
                if(op1Sym && op1Sym.getType()) {
                    symbol = findSymbolFromAlias(dottedExpr.operand2, context);
                }
                break;

            }
            default: {
                break;

            }
        }
        if(symbol) {
            var symType = symbol.getType();
            if(symType) {
                var members = symType.members;
                if(members) {
                    context.members = members.publicMembers;
                }
            } else {
                context.tcContext.checker.errorReporter.simpleError(alias, "Potentially circular alias reference - could not obtain type of alias");
            }
        }
        return symbol;
    }
    function preCollectImportTypes(ast, parent, context) {
        var scopeChain = context.scopeChain;
        var typeSymbol = null;
        var modType = null;
        var importDecl = ast;
        var isExported = TypeScript.hasFlag(importDecl.varFlags, TypeScript.VarFlags.Exported);
        var aliasedModSymbol = findSymbolFromAlias(importDecl.alias, {
            topLevelScope: scopeChain,
            members: null,
            tcContext: context
        });
        var isGlobal = context.scopeChain.container == context.checker.gloMod;
        if(aliasedModSymbol) {
            var aliasedModType = aliasedModSymbol.getType();
            if(aliasedModType) {
                modType = aliasedModType;
            }
        }
        typeSymbol = new TypeScript.TypeSymbol(importDecl.id.text, importDecl.minChar, context.checker.locationInfo.unitIndex, modType);
        typeSymbol.aliasLink = importDecl;
        if(context.scopeChain.moduleDecl) {
            typeSymbol.declModule = context.scopeChain.moduleDecl;
        }
        typeSymbol.declAST = importDecl;
        importDecl.id.sym = typeSymbol;
        scopeChain.scope.enter(scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, true, false);
        scopeChain.scope.enter(scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, false, false);
        return true;
    }
    TypeScript.preCollectImportTypes = preCollectImportTypes;
    function preCollectModuleTypes(ast, parent, context) {
        var scopeChain = context.scopeChain;
        var moduleDecl = ast;
        var isAmbient = TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.Ambient);
        var isEnum = TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.IsEnum);
        var isGlobal = context.scopeChain.container == context.checker.gloMod;
        var isExported = TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.Exported);
        var modName = (moduleDecl.name).text;
        var isDynamic = TypeScript.isQuoted(modName);
        var symbol = scopeChain.scope.findLocal(modName, false, false);
        var typeSymbol = null;
        var modType = null;
        if((symbol == null) || (symbol.kind() != TypeScript.SymbolKind.Type)) {
            if(modType == null) {
                var enclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                var ambientEnclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                modType = new TypeScript.ModuleType(enclosedTypes, ambientEnclosedTypes);
                if(isEnum) {
                    modType.typeFlags |= TypeScript.TypeFlags.IsEnum;
                }
                modType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                modType.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                modType.setHasImplementation();
            }
            typeSymbol = new TypeScript.TypeSymbol(modName, moduleDecl.minChar, context.checker.locationInfo.unitIndex, modType);
            if(context.scopeChain.moduleDecl) {
                typeSymbol.declModule = context.scopeChain.moduleDecl;
            }
            typeSymbol.declAST = moduleDecl;
            typeSymbol.prettyName = moduleDecl.prettyName;
            scopeChain.scope.enter(scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, true, isAmbient);
            scopeChain.scope.enter(scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, false, isAmbient);
            modType.symbol = typeSymbol;
        } else {
            if(symbol && symbol.declAST && symbol.declAST.nodeType != TypeScript.NodeType.Module) {
                context.checker.errorReporter.simpleError(moduleDecl, "Conflicting symbol name for module '" + modName + "'");
            }
            typeSymbol = symbol;
            var publicEnclosedTypes = typeSymbol.type.getAllEnclosedTypes().publicMembers;
            var publicEnclosedTypesTable = (publicEnclosedTypes == null) ? new TypeScript.StringHashTable() : publicEnclosedTypes;
            var enclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(publicEnclosedTypesTable, new TypeScript.StringHashTable()));
            var publicEnclosedAmbientTypes = typeSymbol.type.getAllAmbientEnclosedTypes().publicMembers;
            var publicAmbientEnclosedTypesTable = (publicEnclosedAmbientTypes == null) ? new TypeScript.StringHashTable() : publicEnclosedAmbientTypes;
            var ambientEnclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(publicAmbientEnclosedTypesTable, new TypeScript.StringHashTable()));
            var publicMembers = typeSymbol.type.members.publicMembers;
            var publicMembersTable = (publicMembers == null) ? new TypeScript.StringHashTable() : publicMembers;
            var members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(publicMembersTable, new TypeScript.StringHashTable()));
            var publicAmbientMembers = typeSymbol.type.ambientMembers.publicMembers;
            var publicAmbientMembersTable = (publicAmbientMembers == null) ? new TypeScript.StringHashTable() : publicAmbientMembers;
            var ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(publicAmbientMembersTable, new TypeScript.StringHashTable()));
            modType = new TypeScript.ModuleType(enclosedTypes, ambientEnclosedTypes);
            if(isEnum) {
                modType.typeFlags |= TypeScript.TypeFlags.IsEnum;
            }
            modType.members = members;
            modType.ambientMembers = ambientMembers;
            modType.setHasImplementation();
            modType.symbol = typeSymbol;
            typeSymbol.addLocation(moduleDecl.minChar);
            typeSymbol.expansions.push(modType);
        }
        if(context.scopeChain.moduleDecl) {
            context.scopeChain.moduleDecl.recordNonInterface();
        }
        if(isExported) {
            typeSymbol.flags |= TypeScript.SymbolFlags.Exported;
        }
        if((context.scopeChain.moduleDecl) || (context.scopeChain.container == context.checker.gloMod)) {
            typeSymbol.flags |= TypeScript.SymbolFlags.ModuleMember;
        }
        moduleDecl.mod = modType;
        TypeScript.pushTypeCollectionScope(typeSymbol, modType.members, modType.ambientMembers, modType.enclosedTypes, modType.ambientEnclosedTypes, context, null, null, moduleDecl);
        return true;
    }
    TypeScript.preCollectModuleTypes = preCollectModuleTypes;
    function preCollectClassTypes(ast, parent, context) {
        var scopeChain = context.scopeChain;
        var classDecl = ast;
        var classType;
        var instanceType;
        var typeSymbol = null;
        var className = (classDecl.name).text;
        var alreadyInScope = false;
        var isAmbient = TypeScript.hasFlag(classDecl.varFlags, TypeScript.VarFlags.Ambient);
        var isExported = TypeScript.hasFlag(classDecl.varFlags, TypeScript.VarFlags.Exported);
        var isGlobal = context.scopeChain.container == context.checker.gloMod;
        var containerMod = scopeChain.container;
        var foundValSymbol = false;
        typeSymbol = scopeChain.scope.findLocal(className, false, true);
        if(!typeSymbol) {
            var valTypeSymbol = scopeChain.scope.findLocal(className, false, false);
            if(valTypeSymbol && valTypeSymbol.isType() && valTypeSymbol.declAST && valTypeSymbol.declAST.nodeType == TypeScript.NodeType.FuncDecl && (valTypeSymbol.declAST).isSignature()) {
                typeSymbol = valTypeSymbol;
                foundValSymbol = true;
                if(isExported) {
                    typeSymbol.flags |= TypeScript.SymbolFlags.Exported;
                }
                if(isAmbient) {
                    typeSymbol.flags |= TypeScript.SymbolFlags.Ambient;
                }
                context.scopeChain.scope.enter(context.scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, true, isAmbient);
            }
        }
        if(typeSymbol && !foundValSymbol && (typeSymbol.declAST != classDecl) && !(typeSymbol.declAST).isOverload) {
            typeSymbol = null;
        }
        if(typeSymbol == null) {
            var valueSymbol = scopeChain.scope.findLocal(className, false, false);
            classType = new TypeScript.Type();
            classType.setHasImplementation();
            instanceType = new TypeScript.Type();
            instanceType.setHasImplementation();
            classType.instanceType = instanceType;
            classType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
            classType.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
            addPrototypeField(classType, classDecl, context);
            instanceType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
            instanceType.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
            typeSymbol = new TypeScript.TypeSymbol(className, classDecl.minChar, context.checker.locationInfo.unitIndex, classType);
            typeSymbol.declAST = classDecl;
            typeSymbol.instanceType = instanceType;
            classType.symbol = typeSymbol;
            instanceType.symbol = typeSymbol;
            if(context.scopeChain.moduleDecl) {
                context.scopeChain.moduleDecl.recordNonInterface();
                typeSymbol.declModule = context.scopeChain.moduleDecl;
                typeSymbol.flags |= TypeScript.SymbolFlags.ModuleMember;
            }
            if(isExported) {
                typeSymbol.flags |= TypeScript.SymbolFlags.Exported;
            }
            if(isAmbient) {
                typeSymbol.flags |= TypeScript.SymbolFlags.Ambient;
            }
            ast.type = classType;
            context.scopeChain.scope.enter(context.scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, true, isAmbient);
            if(valueSymbol == null) {
                context.scopeChain.scope.enter(context.scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, false, isAmbient);
            }
        } else {
            classType = typeSymbol.type;
            if(classType.instanceType == null) {
                classType.instanceType = new TypeScript.Type();
                classType.instanceType.setHasImplementation();
                classType.instanceType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                classType.instanceType.symbol = classType.symbol;
                classType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                classType.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
            }
            instanceType = classType.instanceType;
            ast.type = classType;
        }
        if(!classDecl.constructorDecl) {
            if(typeSymbol && typeSymbol.declAST && typeSymbol.declAST.type && typeSymbol.declAST.type.call && !(typeSymbol.declAST).isOverload) {
                context.checker.errorReporter.duplicateIdentifier(typeSymbol.declAST, typeSymbol.name);
            }
            createNewConstructGroupForType(classDecl.type);
        }
        classType.typeFlags |= TypeScript.TypeFlags.IsClass;
        instanceType.typeFlags |= TypeScript.TypeFlags.IsClass;
        getBases(instanceType, classDecl);
        TypeScript.pushTypeCollectionScope(typeSymbol, instanceType.members, instanceType.ambientMembers, null, null, context, instanceType, classType, null);
        return true;
    }
    TypeScript.preCollectClassTypes = preCollectClassTypes;
    function preCollectInterfaceTypes(ast, parent, context) {
        var scopeChain = context.scopeChain;
        var interfaceDecl = ast;
        var interfaceSymbol = null;
        var interfaceType = null;
        var isExported = TypeScript.hasFlag(interfaceDecl.varFlags, TypeScript.VarFlags.Exported);
        var isGlobal = context.scopeChain.container == context.checker.gloMod;
        var alreadyInScope = true;
        alreadyInScope = false;
        var interfaceName = (interfaceDecl.name).text;
        interfaceSymbol = scopeChain.scope.findLocal(interfaceName, false, true);
        if(interfaceSymbol == null) {
            interfaceType = new TypeScript.Type();
            interfaceSymbol = new TypeScript.TypeSymbol(interfaceName, ast.minChar, context.checker.locationInfo.unitIndex, interfaceType);
            interfaceType.symbol = interfaceSymbol;
            interfaceType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
            interfaceType.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
            interfaceSymbol.declAST = interfaceDecl;
            interfaceSymbol.declModule = context.scopeChain.moduleDecl;
        } else {
            alreadyInScope = true;
            interfaceType = interfaceSymbol.type;
        }
        if(!interfaceType) {
            interfaceType = context.checker.anyType;
        }
        ast.type = interfaceType;
        getBases(interfaceType, interfaceDecl);
        if(isExported) {
            interfaceSymbol.flags |= TypeScript.SymbolFlags.Exported;
        }
        if(context.scopeChain.moduleDecl) {
            interfaceSymbol.flags |= TypeScript.SymbolFlags.ModuleMember;
        }
        if(!alreadyInScope) {
            context.scopeChain.scope.enter(context.scopeChain.container, ast, interfaceSymbol, context.checker.errorReporter, isGlobal || isExported, true, false);
        }
        TypeScript.pushTypeCollectionScope(interfaceSymbol, interfaceType.members, interfaceType.ambientMembers, null, null, context, interfaceType, null, null);
        return true;
    }
    TypeScript.preCollectInterfaceTypes = preCollectInterfaceTypes;
    function preCollectArgDeclTypes(ast, parent, context) {
        var scopeChain = context.scopeChain;
        var argDecl = ast;
        if(TypeScript.hasFlag(argDecl.varFlags, TypeScript.VarFlags.Public | TypeScript.VarFlags.Private)) {
            var field = new TypeScript.ValueLocation();
            var isPrivate = TypeScript.hasFlag(argDecl.varFlags, TypeScript.VarFlags.Private);
            var fieldSymbol = new TypeScript.FieldSymbol(argDecl.id.text, argDecl.minChar, context.checker.locationInfo.unitIndex, !TypeScript.hasFlag(argDecl.varFlags, TypeScript.VarFlags.Readonly), field);
            fieldSymbol.transferVarFlags(argDecl.varFlags);
            field.symbol = fieldSymbol;
            fieldSymbol.declAST = ast;
            argDecl.parameterPropertySym = fieldSymbol;
            context.scopeChain.scope.enter(context.scopeChain.container, ast, fieldSymbol, context.checker.errorReporter, !isPrivate, false, false);
            field.typeLink = TypeScript.getTypeLink(argDecl.typeExpr, context.checker, argDecl.init == null);
            argDecl.sym = fieldSymbol;
        }
        return false;
    }
    TypeScript.preCollectArgDeclTypes = preCollectArgDeclTypes;
    function preCollectVarDeclTypes(ast, parent, context) {
        var scopeChain = context.scopeChain;
        var varDecl = ast;
        var isAmbient = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Ambient);
        var isExported = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Exported);
        var isGlobal = context.scopeChain.container == context.checker.gloMod;
        var isProperty = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Property);
        var isStatic = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Static);
        var isPrivate = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Private);
        var isOptional = TypeScript.hasFlag(varDecl.id.flags, TypeScript.ASTFlags.OptionalName);
        if(context.scopeChain.moduleDecl) {
            context.scopeChain.moduleDecl.recordNonInterface();
        }
        if(isProperty || isExported || (context.scopeChain.container == context.checker.gloMod) || context.scopeChain.moduleDecl) {
            if(isAmbient) {
                var existingSym = scopeChain.scope.findLocal(varDecl.id.text, false, false);
                if(existingSym) {
                    varDecl.sym = existingSym;
                    return false;
                }
            }
            if(varDecl.id == null) {
                context.checker.errorReporter.simpleError(varDecl, "Expected variable identifier at this location");
                return false;
            }
            var field = new TypeScript.ValueLocation();
            var fieldSymbol = new TypeScript.FieldSymbol(varDecl.id.text, varDecl.minChar, context.checker.locationInfo.unitIndex, (varDecl.varFlags & TypeScript.VarFlags.Readonly) == TypeScript.VarFlags.None, field);
            fieldSymbol.transferVarFlags(varDecl.varFlags);
            if(isOptional) {
                fieldSymbol.flags |= TypeScript.SymbolFlags.Optional;
            }
            field.symbol = fieldSymbol;
            fieldSymbol.declAST = ast;
            if((context.scopeChain.moduleDecl) || (context.scopeChain.container == context.checker.gloMod)) {
                fieldSymbol.flags |= TypeScript.SymbolFlags.ModuleMember;
                fieldSymbol.declModule = context.scopeChain.moduleDecl;
            }
            if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Property) && isStatic && context.scopeChain.classType) {
                if(!context.scopeChain.classType.members.publicMembers.add(varDecl.id.text, fieldSymbol)) {
                    context.checker.errorReporter.duplicateIdentifier(ast, fieldSymbol.name);
                }
                fieldSymbol.container = context.scopeChain.classType.symbol;
            } else {
                context.scopeChain.scope.enter(context.scopeChain.container, ast, fieldSymbol, context.checker.errorReporter, !isPrivate && (isProperty || isExported || isGlobal || isStatic), false, isAmbient);
            }
            if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Exported)) {
                fieldSymbol.flags |= TypeScript.SymbolFlags.Exported;
            }
            field.typeLink = TypeScript.getTypeLink(varDecl.typeExpr, context.checker, varDecl.init == null);
            varDecl.sym = fieldSymbol;
        }
        return false;
    }
    TypeScript.preCollectVarDeclTypes = preCollectVarDeclTypes;
    function preCollectFuncDeclTypes(ast, parent, context) {
        var scopeChain = context.scopeChain;
        if(context.scopeChain.moduleDecl) {
            context.scopeChain.moduleDecl.recordNonInterface();
        }
        var funcDecl = ast;
        var fgSym = null;
        var nameText = funcDecl.getNameText();
        var isExported = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Exported | TypeScript.FncFlags.ClassPropertyMethodExported);
        var isStatic = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static);
        var isPrivate = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Private);
        var isConstructor = funcDecl.isConstructMember() || funcDecl.isConstructor;
        var containerSym = (((funcDecl.isMethod() && isStatic) || funcDecl.isAccessor()) && context.scopeChain.classType ? context.scopeChain.classType.symbol : context.scopeChain.container);
        var containerScope = context.scopeChain.scope;
        var isGlobal = containerSym == context.checker.gloMod;
        var isOptional = funcDecl.name && TypeScript.hasFlag(funcDecl.name.flags, TypeScript.ASTFlags.OptionalName);
        var go = false;
        var foundSymbol = false;
        if(isConstructor && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
            containerSym = containerSym.container;
            containerScope = scopeChain.previous.scope;
        }
        funcDecl.unitIndex = context.checker.locationInfo.unitIndex;
        if(!funcDecl.isConstructor && containerSym && containerSym.declAST && containerSym.declAST.nodeType == TypeScript.NodeType.FuncDecl && (containerSym.declAST).isConstructor && !funcDecl.isMethod()) {
            return go;
        }
        if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Signature)) {
            var instType = context.scopeChain.thisType;
            if(nameText && nameText != "__missing") {
                if(isStatic) {
                    fgSym = containerSym.type.members.allMembers.lookup(nameText);
                } else {
                    fgSym = containerScope.findLocal(nameText, false, false);
                    if(fgSym == null) {
                        fgSym = containerScope.findLocal(nameText, false, true);
                    }
                }
                if(fgSym) {
                    foundSymbol = true;
                    if(!funcDecl.isSignature() && (TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Ambient) != TypeScript.hasFlag(fgSym.flags, TypeScript.SymbolFlags.Ambient))) {
                        fgSym = null;
                    }
                }
            }
            if(fgSym == null) {
                if(!(funcDecl.isSpecialFn())) {
                    fgSym = context.checker.createFunctionSignature(funcDecl, containerSym, containerScope, null, !foundSymbol).declAST.type.symbol;
                } else {
                    fgSym = context.checker.createFunctionSignature(funcDecl, containerSym, containerScope, containerSym, false).declAST.type.symbol;
                }
                if(fgSym.declAST == null || !funcDecl.isSpecialFn()) {
                    fgSym.declAST = ast;
                }
            } else {
                if((fgSym.kind() == TypeScript.SymbolKind.Type)) {
                    fgSym = context.checker.createFunctionSignature(funcDecl, containerSym, containerScope, fgSym, false).declAST.type.symbol;
                } else {
                    context.checker.errorReporter.simpleError(funcDecl, "Function or method '" + funcDecl.name.text + "' already declared as a property");
                }
            }
            if(funcDecl.isSpecialFn() && !isStatic) {
                funcDecl.type = instType ? instType : fgSym.type;
            } else {
                funcDecl.type = fgSym.type;
            }
        } else {
            if(nameText) {
                if(isStatic) {
                    fgSym = containerSym.type.members.allMembers.lookup(nameText);
                } else {
                    if(funcDecl.isConstructor && context.scopeChain.previous) {
                        fgSym = context.scopeChain.previous.scope.findLocal(nameText, false, false);
                    }
                    if(fgSym == null) {
                        fgSym = containerScope.findLocal(nameText, false, false);
                    }
                }
                if(fgSym) {
                    foundSymbol = true;
                    if(!isConstructor && fgSym.declAST.nodeType == TypeScript.NodeType.FuncDecl && !(fgSym.declAST).isAccessor() && !(fgSym.declAST).isSignature()) {
                        fgSym = null;
                        foundSymbol = false;
                    }
                }
            }
            if(fgSym && !fgSym.isAccessor() && fgSym.type && fgSym.type.construct && fgSym.type.construct.signatures != [] && (fgSym.type.construct.signatures[0].declAST == null || !TypeScript.hasFlag(fgSym.type.construct.signatures[0].declAST.fncFlags, TypeScript.FncFlags.Ambient)) && !funcDecl.isConstructor) {
                context.checker.errorReporter.simpleError(funcDecl, "Functions may not have class overloads");
            }
            if(fgSym && !(fgSym.kind() == TypeScript.SymbolKind.Type) && funcDecl.isMethod() && !funcDecl.isAccessor() && !funcDecl.isConstructor) {
                context.checker.errorReporter.simpleError(funcDecl, "Function or method '" + funcDecl.name.text + "' already declared as a property");
                fgSym.type = context.checker.anyType;
            }
            var sig = context.checker.createFunctionSignature(funcDecl, containerSym, containerScope, fgSym, !foundSymbol);
            if(((!fgSym || fgSym.declAST.nodeType != TypeScript.NodeType.FuncDecl) && funcDecl.isAccessor()) || (fgSym && fgSym.isAccessor())) {
                funcDecl.accessorSymbol = context.checker.createAccessorSymbol(funcDecl, fgSym, containerSym.type, (funcDecl.isMethod() && isStatic), true, containerScope, containerSym);
            }
            funcDecl.type.symbol.declAST = ast;
            if(funcDecl.isConstructor) {
                go = true;
            }
            ; ;
        }
        if(isExported) {
            if(funcDecl.type.call) {
                funcDecl.type.symbol.flags |= TypeScript.SymbolFlags.Exported;
            }
            if(fgSym && !fgSym.isAccessor() && fgSym.type.call) {
                fgSym.flags |= TypeScript.SymbolFlags.Exported;
            }
        }
        if(context.scopeChain.moduleDecl && !funcDecl.isSpecialFn()) {
            funcDecl.type.symbol.flags |= TypeScript.SymbolFlags.ModuleMember;
            funcDecl.type.symbol.declModule = context.scopeChain.moduleDecl;
        }
        if(fgSym && isOptional) {
            fgSym.flags |= TypeScript.SymbolFlags.Optional;
        }
        return go;
    }
    TypeScript.preCollectFuncDeclTypes = preCollectFuncDeclTypes;
    function preCollectTypes(ast, parent, walker) {
        var context = walker.state;
        var go = false;
        var scopeChain = context.scopeChain;
        if(ast.nodeType == TypeScript.NodeType.Script) {
            var script = ast;
            context.script = script;
            go = true;
        } else {
            if(ast.nodeType == TypeScript.NodeType.List) {
                go = true;
            } else {
                if(ast.nodeType == TypeScript.NodeType.Import) {
                    go = preCollectImportTypes(ast, parent, context);
                } else {
                    if(ast.nodeType == TypeScript.NodeType.With) {
                        go = false;
                    } else {
                        if(ast.nodeType == TypeScript.NodeType.Module) {
                            go = preCollectModuleTypes(ast, parent, context);
                        } else {
                            if(ast.nodeType == TypeScript.NodeType.Class) {
                                go = preCollectClassTypes(ast, parent, context);
                            } else {
                                if(ast.nodeType == TypeScript.NodeType.Block) {
                                    go = true;
                                } else {
                                    if(ast.nodeType == TypeScript.NodeType.Interface) {
                                        go = preCollectInterfaceTypes(ast, parent, context);
                                    } else {
                                        if(ast.nodeType == TypeScript.NodeType.ArgDecl) {
                                            go = preCollectArgDeclTypes(ast, parent, context);
                                        } else {
                                            if(ast.nodeType == TypeScript.NodeType.VarDecl) {
                                                go = preCollectVarDeclTypes(ast, parent, context);
                                            } else {
                                                if(ast.nodeType == TypeScript.NodeType.FuncDecl) {
                                                    go = preCollectFuncDeclTypes(ast, parent, context);
                                                } else {
                                                    if(ast.isStatementOrExpression() && context.scopeChain.moduleDecl) {
                                                        context.scopeChain.moduleDecl.recordNonInterface();
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        walker.options.goChildren = go;
        return ast;
    }
    TypeScript.preCollectTypes = preCollectTypes;
    function postCollectTypes(ast, parent, walker) {
        var context = walker.state;
        if(ast.nodeType == TypeScript.NodeType.Module) {
            TypeScript.popTypeCollectionScope(context);
        } else {
            if(ast.nodeType == TypeScript.NodeType.Class) {
                TypeScript.popTypeCollectionScope(context);
            } else {
                if(ast.nodeType == TypeScript.NodeType.Interface) {
                    TypeScript.popTypeCollectionScope(context);
                }
            }
        }
        return ast;
    }
    TypeScript.postCollectTypes = postCollectTypes;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var ScopeChain = (function () {
        function ScopeChain(container, previous, scope) {
            this.container = container;
            this.previous = previous;
            this.scope = scope;
        }
        return ScopeChain;
    })();
    TypeScript.ScopeChain = ScopeChain;    
    var BBUseDefInfo = (function () {
        function BBUseDefInfo(bb) {
            this.bb = bb;
            this.defsBySymbol = new Array();
            this.useIndexBySymbol = new Array();
        }
        BBUseDefInfo.prototype.updateTop = function () {
            var temp = new BitVector(this.top.bitCount);
            for(var i = 0, succLen = this.bb.successors.length; i < succLen; i++) {
                var succ = this.bb.successors[i];
                if(succ.useDef) {
                    temp.union(succ.useDef.top);
                }
            }
            temp.difference(this.kill);
            temp.union(this.gen);
            var changed = temp.notEq(this.top);
            this.top = temp;
            return changed;
        };
        BBUseDefInfo.prototype.initialize = function (useDefContext) {
            var _this = this;
            var defSym = function (sym, context) {
                if(context.isLocalSym(sym)) {
                    var index = context.getSymbolIndex(sym);
                    _this.useIndexBySymbol[index] = new Array();
                    _this.defsBySymbol[index] = true;
                }
            };
            var useSym = function (sym, context, ast) {
                if(context.isLocalSym(sym)) {
                    var symIndex = context.getSymbolIndex(sym);
                    if(_this.useIndexBySymbol[symIndex] == undefined) {
                        _this.useIndexBySymbol[symIndex] = new Array();
                    }
                    var symUses = _this.useIndexBySymbol[symIndex];
                    var astIndex = context.getUseIndex(ast);
                    context.addUse(symIndex, astIndex);
                    symUses.push(astIndex);
                }
            };
            function initUseDefPre(cur, parent, walker) {
                var context = walker.state;
                if(cur == null) {
                    cur = null;
                }
                if(cur.nodeType == TypeScript.NodeType.VarDecl) {
                    var varDecl = cur;
                    if(varDecl.init || TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.AutoInit)) {
                        defSym(varDecl.sym, context);
                    }
                } else {
                    if(cur.nodeType == TypeScript.NodeType.Name) {
                        if(parent) {
                            if(parent.nodeType == TypeScript.NodeType.Asg) {
                                var asg = parent;
                                if(asg.operand1 == cur) {
                                    return cur;
                                }
                            } else {
                                if(parent.nodeType == TypeScript.NodeType.VarDecl) {
                                    var parentDecl = parent;
                                    if(parentDecl.id == cur) {
                                        return cur;
                                    }
                                }
                            }
                        }
                        var id = cur;
                        useSym(id.sym, context, cur);
                    } else {
                        if((cur.nodeType >= TypeScript.NodeType.Asg) && (cur.nodeType <= TypeScript.NodeType.LastAsg)) {
                            var asg = cur;
                            if(asg.operand1 && (asg.operand1.nodeType == TypeScript.NodeType.Name)) {
                                var id = asg.operand1;
                                defSym(id.sym, context);
                            }
                        } else {
                            if(cur.nodeType == TypeScript.NodeType.FuncDecl) {
                                walker.options.goChildren = false;
                            }
                        }
                    }
                }
                return cur;
            }
            var options = new TypeScript.AstWalkOptions();
            options.reverseSiblings = true;
            TypeScript.getAstWalkerFactory().walk(this.bb.content, initUseDefPre, null, options, useDefContext);
        };
        BBUseDefInfo.prototype.initializeGen = function (useDefContext) {
            var symbolLen = this.useIndexBySymbol.length;
            var bitCount = useDefContext.uses.length;
            this.gen = new BitVector(bitCount);
            for(var s = 0; s < symbolLen; s++) {
                var symUses = this.useIndexBySymbol[s];
                if((symUses != undefined) && (symUses.length > 0)) {
                    for(var u = 0, uLen = symUses.length; u < uLen; u++) {
                        this.gen.set(symUses[u], true);
                    }
                }
            }
            this.top = this.gen;
        };
        BBUseDefInfo.prototype.initializeKill = function (useDefContext) {
            this.kill = new BitVector(this.gen.bitCount);
            for(var s = 0, symbolLen = this.defsBySymbol.length; s < symbolLen; s++) {
                if(this.defsBySymbol[s]) {
                    var globalSymUses = useDefContext.useIndexBySymbol[s];
                    if(globalSymUses) {
                        for(var u = 0, useLen = globalSymUses.length; u < useLen; u++) {
                            this.kill.set(globalSymUses[u], true);
                        }
                    }
                }
            }
        };
        return BBUseDefInfo;
    })();
    TypeScript.BBUseDefInfo = BBUseDefInfo;    
    var UseDefContext = (function () {
        function UseDefContext() {
            this.useIndexBySymbol = new Array();
            this.uses = new Array();
            this.symbols = new Array();
            this.symbolMap = new TypeScript.StringHashTable();
            this.symbolCount = 0;
        }
        UseDefContext.prototype.getSymbolIndex = function (sym) {
            var name = sym.name;
            var index = (this.symbolMap.lookup(name));
            if(index == null) {
                index = this.symbolCount++;
                this.symbols[index] = sym;
                this.symbolMap.add(name, index);
            }
            return index;
        };
        UseDefContext.prototype.addUse = function (symIndex, astIndex) {
            var useBySym = this.useIndexBySymbol[symIndex];
            if(useBySym == undefined) {
                useBySym = new Array();
                this.useIndexBySymbol[symIndex] = useBySym;
            }
            useBySym[useBySym.length] = astIndex;
        };
        UseDefContext.prototype.getUseIndex = function (ast) {
            this.uses[this.uses.length] = ast;
            return this.uses.length - 1;
        };
        UseDefContext.prototype.isLocalSym = function (sym) {
            return (sym && (sym.container == this.func) && (sym.kind() == TypeScript.SymbolKind.Variable));
        };
        UseDefContext.prototype.killSymbol = function (sym, bbUses) {
            var index = this.symbolMap.lookup(sym.name);
            var usesOfSym = this.useIndexBySymbol[index];
            for(var k = 0, len = usesOfSym.length; k < len; k++) {
                bbUses.set(usesOfSym[k], true);
            }
        };
        return UseDefContext;
    })();
    TypeScript.UseDefContext = UseDefContext;    
    var BitVector = (function () {
        function BitVector(bitCount) {
            this.bitCount = bitCount;
            this.firstBits = 0;
            this.restOfBits = null;
            if(this.bitCount > BitVector.packBits) {
                this.restOfBits = new Array();
                var len = Math.floor(this.bitCount / BitVector.packBits);
                for(var i = 0; i < len; i++) {
                    this.restOfBits[i] = 0;
                }
            }
        }
        BitVector.packBits = 30;
        BitVector.prototype.set = function (bitIndex, value) {
            if(bitIndex < BitVector.packBits) {
                if(value) {
                    this.firstBits |= (1 << bitIndex);
                } else {
                    this.firstBits &= (~(1 << bitIndex));
                }
            } else {
                var offset = Math.floor(bitIndex / BitVector.packBits) - 1;
                var localIndex = bitIndex % BitVector.packBits;
                if(value) {
                    this.restOfBits[offset] |= (1 << localIndex);
                } else {
                    this.restOfBits[offset] &= (~(1 << localIndex));
                }
            }
        };
        BitVector.prototype.map = function (fn) {
            var k;
            for(k = 0; k < BitVector.packBits; k++) {
                if(k == this.bitCount) {
                    return;
                }
                if(((1 << k) & this.firstBits) != 0) {
                    fn(k);
                }
            }
            if(this.restOfBits) {
                var len;
                var cumu = BitVector.packBits;
                for(k = 0 , len = this.restOfBits.length; k < len; k++) {
                    var myBits = this.restOfBits[k];
                    for(var j = 0; j < BitVector.packBits; j++) {
                        if(((1 << j) & myBits) != 0) {
                            fn(cumu);
                        }
                        cumu++;
                        if(cumu == this.bitCount) {
                            return;
                        }
                    }
                }
            }
        };
        BitVector.prototype.union = function (b) {
            this.firstBits |= b.firstBits;
            if(this.restOfBits) {
                for(var k = 0, len = this.restOfBits.length; k < len; k++) {
                    var myBits = this.restOfBits[k];
                    var bBits = b.restOfBits[k];
                    this.restOfBits[k] = myBits | bBits;
                }
            }
        };
        BitVector.prototype.intersection = function (b) {
            this.firstBits &= b.firstBits;
            if(this.restOfBits) {
                for(var k = 0, len = this.restOfBits.length; k < len; k++) {
                    var myBits = this.restOfBits[k];
                    var bBits = b.restOfBits[k];
                    this.restOfBits[k] = myBits & bBits;
                }
            }
        };
        BitVector.prototype.notEq = function (b) {
            if(this.firstBits != b.firstBits) {
                return true;
            }
            if(this.restOfBits) {
                for(var k = 0, len = this.restOfBits.length; k < len; k++) {
                    var myBits = this.restOfBits[k];
                    var bBits = b.restOfBits[k];
                    if(myBits != bBits) {
                        return true;
                    }
                }
            }
            return false;
        };
        BitVector.prototype.difference = function (b) {
            var oldFirstBits = this.firstBits;
            this.firstBits &= (~b.firstBits);
            if(this.restOfBits) {
                for(var k = 0, len = this.restOfBits.length; k < len; k++) {
                    var myBits = this.restOfBits[k];
                    var bBits = b.restOfBits[k];
                    this.restOfBits[k] &= (~bBits);
                }
            }
        };
        return BitVector;
    })();
    TypeScript.BitVector = BitVector;    
    var BasicBlock = (function () {
        function BasicBlock() {
            this.predecessors = new Array();
            this.index = -1;
            this.markValue = 0;
            this.successors = new Array();
            this.useDef = null;
            this.content = new TypeScript.ASTList();
        }
        BasicBlock.prototype.marked = function (markBase) {
            return this.markValue > markBase;
        };
        BasicBlock.prototype.mark = function () {
            this.markValue++;
        };
        BasicBlock.prototype.addSuccessor = function (successor) {
            this.successors[this.successors.length] = successor;
            successor.predecessors[successor.predecessors.length] = this;
        };
        return BasicBlock;
    })();
    TypeScript.BasicBlock = BasicBlock;    
    var ControlFlowContext = (function () {
        function ControlFlowContext(current, exit) {
            this.current = current;
            this.exit = exit;
            this.entry = null;
            this.unreachable = null;
            this.noContinuation = false;
            this.statementStack = new Array();
            this.currentSwitch = new Array();
            this.markBase = 0;
            this.linearBBs = new Array();
            this.entry = this.current;
        }
        ControlFlowContext.prototype.walk = function (ast, parent) {
            return this.walker.walk(ast, parent);
        };
        ControlFlowContext.prototype.pushSwitch = function (bb) {
            this.currentSwitch.push(bb);
        };
        ControlFlowContext.prototype.popSwitch = function () {
            return this.currentSwitch.pop();
        };
        ControlFlowContext.prototype.reportUnreachable = function (er) {
            if(this.unreachable && (this.unreachable.length > 0)) {
                var len = this.unreachable.length;
                for(var i = 0; i < len; i++) {
                    var unreachableAST = this.unreachable[i];
                    if(unreachableAST.nodeType != TypeScript.NodeType.EndCode) {
                        er.simpleError(unreachableAST, "unreachable code");
                    }
                }
            }
        };
        ControlFlowContext.prototype.printAST = function (ast, outfile) {
            var printContext = new TypeScript.PrintContext(outfile, null);
            printContext.increaseIndent();
            TypeScript.getAstWalkerFactory().walk(ast, TypeScript.prePrintAST, TypeScript.postPrintAST, null, printContext);
            printContext.decreaseIndent();
        };
        ControlFlowContext.prototype.printBlockContent = function (bb, outfile) {
            var content = bb.content;
            for(var i = 0, len = content.members.length; i < len; i++) {
                var ast = content.members[i];
                this.printAST(ast, outfile);
            }
        };
        ControlFlowContext.prototype.bfs = function (nodeFunc, edgeFunc, preEdges, postEdges) {
            var markValue = this.markBase++;
            var q = new Array();
            q[q.length] = this.entry;
            while(q.length > 0) {
                var bb = q.pop();
                if(!(bb.marked(markValue))) {
                    bb.mark();
                    if(nodeFunc) {
                        nodeFunc(bb);
                    }
                    var succLen = bb.successors.length;
                    if(succLen > 0) {
                        if(preEdges) {
                            preEdges();
                        }
                        for(var j = succLen - 1; j >= 0; j--) {
                            var successor = bb.successors[j];
                            if(!(successor.marked(this.markBase))) {
                                if(edgeFunc) {
                                    edgeFunc(bb, successor);
                                }
                                q[q.length] = successor;
                            }
                        }
                        if(postEdges) {
                            postEdges();
                        }
                    }
                }
            }
        };
        ControlFlowContext.prototype.useDef = function (er, funcSym) {
            var _this = this;
            var useDefContext = new UseDefContext();
            useDefContext.func = funcSym;
            var useDefInit = function (bb) {
                bb.useDef = new BBUseDefInfo(bb);
                bb.useDef.initialize(useDefContext);
                _this.linearBBs[_this.linearBBs.length] = bb;
            };
            this.bfs(useDefInit, null, null, null);
            var i;
            var bbLen;

            for(i = 0 , bbLen = this.linearBBs.length; i < bbLen; i++) {
                this.linearBBs[i].useDef.initializeGen(useDefContext);
                this.linearBBs[i].useDef.initializeKill(useDefContext);
            }
            var changed = true;
            while(changed) {
                changed = false;
                for(i = 0; i < bbLen; i++) {
                    changed = this.linearBBs[i].useDef.updateTop() || changed;
                }
            }
            var top = this.entry.useDef.top;
            top.map(function (index) {
                var ast = useDefContext.uses[index];
                er.simpleError(ast, "use of variable '" + ast.text + "' that is not definitely assigned");
            });
        };
        ControlFlowContext.prototype.print = function (outfile) {
            var _this = this;
            var index = 0;
            var node = function (bb) {
                if(bb.index < 0) {
                    bb.index = index++;
                }
                if(bb == _this.exit) {
                    outfile.WriteLine("Exit block with index " + bb.index);
                } else {
                    outfile.WriteLine("Basic block with index " + bb.index);
                    _this.printBlockContent(bb, outfile);
                }
            };
            function preEdges() {
                outfile.Write("  Branches to ");
            }
            function postEdges() {
                outfile.WriteLine("");
            }
            function edge(node1, node2) {
                if(node2.index < 0) {
                    node2.index = index++;
                }
                outfile.Write(node2.index + " ");
            }
            this.bfs(node, edge, preEdges, postEdges);
            if(this.unreachable != null) {
                for(var i = 0, len = this.unreachable.length; i < len; i++) {
                    outfile.WriteLine("Unreachable basic block ...");
                    this.printAST(this.unreachable[i], outfile);
                }
            }
        };
        ControlFlowContext.prototype.pushStatement = function (stmt, continueBB, breakBB) {
            this.statementStack.push({
                stmt: stmt,
                continueBB: continueBB,
                breakBB: breakBB
            });
        };
        ControlFlowContext.prototype.popStatement = function () {
            return this.statementStack.pop();
        };
        ControlFlowContext.prototype.returnStmt = function () {
            this.current.addSuccessor(this.exit);
            this.setUnreachable();
        };
        ControlFlowContext.prototype.setUnreachable = function () {
            this.current = null;
            this.noContinuation = true;
        };
        ControlFlowContext.prototype.addUnreachable = function (ast) {
            if(this.unreachable === null) {
                this.unreachable = new Array();
            }
            this.unreachable[this.unreachable.length] = ast;
        };
        ControlFlowContext.prototype.unconditionalBranch = function (target, isContinue) {
            var targetBB = null;
            for(var i = 0, len = this.statementStack.length; i < len; i++) {
                var targetInfo = this.statementStack[i];
                if(targetInfo.stmt == target) {
                    if(isContinue) {
                        targetBB = targetInfo.continueBB;
                    } else {
                        targetBB = targetInfo.breakBB;
                    }
                    break;
                }
            }
            if(targetBB) {
                this.current.addSuccessor(targetBB);
            }
            this.setUnreachable();
        };
        ControlFlowContext.prototype.addContent = function (ast) {
            if(this.current) {
                this.current.content.append(ast);
            }
        };
        return ControlFlowContext;
    })();
    TypeScript.ControlFlowContext = ControlFlowContext;    
    var ResolutionDataCache = (function () {
        function ResolutionDataCache() {
            this.cacheSize = 16;
            this.rdCache = [];
            this.nextUp = 0;
            for(var i = 0; i < this.cacheSize; i++) {
                this.rdCache[i] = {
                    actuals: new Array(),
                    exactCandidates: new Array(),
                    conversionCandidates: new Array(),
                    id: i
                };
            }
        }
        ResolutionDataCache.prototype.getResolutionData = function () {
            var rd = null;
            if(this.nextUp < this.cacheSize) {
                rd = this.rdCache[this.nextUp];
            }
            if(rd == null) {
                this.cacheSize++;
                rd = {
                    actuals: new Array(),
                    exactCandidates: new Array(),
                    conversionCandidates: new Array(),
                    id: this.cacheSize
                };
                this.rdCache[this.cacheSize] = rd;
            }
            this.nextUp++;
            return rd;
        };
        ResolutionDataCache.prototype.returnResolutionData = function (rd) {
            rd.actuals.length = 0;
            rd.exactCandidates.length = 0;
            rd.conversionCandidates.length = 0;
            this.nextUp = rd.id;
        };
        return ResolutionDataCache;
    })();
    TypeScript.ResolutionDataCache = ResolutionDataCache;    
    var TypeFlow = (function () {
        function TypeFlow(logger, initScope, parser, checker) {
            this.logger = logger;
            this.initScope = initScope;
            this.parser = parser;
            this.checker = checker;
            this.thisFnc = null;
            this.thisClassNode = null;
            this.enclosingFncIsMethod = false;
            this.arrayInterfaceType = null;
            this.stringInterfaceType = null;
            this.objectInterfaceType = null;
            this.functionInterfaceType = null;
            this.numberInterfaceType = null;
            this.booleanInterfaceType = null;
            this.currentScript = null;
            this.inNewTargetTypeCheck = false;
            this.inImportTypeCheck = false;
            this.inTypeRefTypeCheck = false;
            this.inArrayElementTypeCheck = false;
            this.resolutionDataCache = new ResolutionDataCache();
            this.nestingLevel = 0;
            this.inBoundPropTypeCheck = false;
            this.inSuperCall = false;
            this.checker.typeFlow = this;
            this.scope = this.initScope;
            this.globalScope = this.initScope;
            this.doubleType = this.checker.numberType;
            this.booleanType = this.checker.booleanType;
            this.stringType = this.checker.stringType;
            this.anyType = this.checker.anyType;
            this.regexType = this.anyType;
            this.nullType = this.checker.nullType;
            this.voidType = this.checker.voidType;
            this.arrayAnyType = this.checker.makeArrayType(this.anyType);
        }
        TypeFlow.prototype.initLibs = function () {
            var arraySym = this.globalScope.find("Array", false, true);
            if(arraySym && (arraySym.kind() == TypeScript.SymbolKind.Type)) {
                this.arrayInterfaceType = (arraySym).type;
            }
            var stringSym = this.globalScope.find("String", false, true);
            if(stringSym && (stringSym.kind() == TypeScript.SymbolKind.Type)) {
                this.stringInterfaceType = (stringSym).type;
            }
            var objectSym = this.globalScope.find("Object", false, true);
            if(objectSym && (objectSym.kind() == TypeScript.SymbolKind.Type)) {
                this.objectInterfaceType = (objectSym).type;
            }
            var fnSym = this.globalScope.find("Function", false, true);
            if(fnSym && (fnSym.kind() == TypeScript.SymbolKind.Type)) {
                this.functionInterfaceType = (fnSym).type;
            }
            var numberSym = this.globalScope.find("Number", false, true);
            if(numberSym && (numberSym.kind() == TypeScript.SymbolKind.Type)) {
                this.numberInterfaceType = (numberSym).type;
            }
            var booleanSym = this.globalScope.find("Boolean", false, true);
            if(booleanSym && (booleanSym.kind() == TypeScript.SymbolKind.Type)) {
                this.booleanInterfaceType = (booleanSym).type;
            }
            var regexSym = this.globalScope.find("RegExp", false, true);
            if(regexSym && (regexSym.kind() == TypeScript.SymbolKind.Type)) {
                this.regexType = (regexSym).type;
            }
        };
        TypeFlow.prototype.cast = function (ast, type) {
            return this.castWithCoercion(ast, type, true, false);
        };
        TypeFlow.prototype.castWithCoercion = function (ast, type, applyCoercion, typeAssertion) {
            var comparisonInfo = new TypeScript.TypeComparisonInfo();
            if(this.checker.sourceIsAssignableToTarget(ast.type, type, comparisonInfo) || (typeAssertion && this.checker.sourceIsAssignableToTarget(type, ast.type, comparisonInfo))) {
                if(applyCoercion) {
                    if(type == null) {
                        ast.type = this.anyType;
                    } else {
                        if(type.isClass()) {
                            ast.type = type.instanceType;
                        } else {
                            ast.type = type;
                        }
                    }
                }
                return ast;
            } else {
                this.checker.errorReporter.incompatibleTypes(ast, ast.type, type, null, this.scope, comparisonInfo);
                return ast;
            }
        };
        TypeFlow.prototype.inScopeTypeCheck = function (ast, enclosingScope) {
            var prevScope = this.scope;
            this.scope = enclosingScope;
            var svThisFnc = this.thisFnc;
            var svThisType = this.thisType;
            var svThisClassNode = this.thisClassNode;
            var svCurrentModDecl = this.checker.currentModDecl;
            var prevMethodStatus = this.enclosingFncIsMethod;
            var container = this.scope.container;
            var fnc = null;
            while(container) {
                if(container.kind() == TypeScript.SymbolKind.Type) {
                    var typeSym = container;
                    var type = typeSym.type;
                    if(type.call) {
                        if(fnc == null) {
                            this.enclosingFncIsMethod = typeSym.isMethod;
                            fnc = container.declAST;
                        }
                    }
                    if(type.isClass()) {
                        this.thisType = type.instanceType;
                        if(typeSym.declAST && (typeSym.declAST.nodeType == TypeScript.NodeType.Class)) {
                            this.thisClassNode = typeSym.declAST;
                        }
                        break;
                    }
                    if(type.isModuleType()) {
                        this.checker.currentModDecl = typeSym.declAST;
                        break;
                    }
                }
                container = container.container;
            }
            this.thisFnc = fnc;
            var updated = this.typeCheck(ast);
            this.thisFnc = svThisFnc;
            this.thisType = svThisType;
            this.thisClassNode = svThisClassNode;
            this.checker.currentModDecl = svCurrentModDecl;
            this.enclosingFncIsMethod = prevMethodStatus;
            this.scope = prevScope;
            return updated;
        };
        TypeFlow.prototype.typeCheck = function (ast) {
            if(ast) {
                return ast.typeCheck(this);
            } else {
                return null;
            }
        };
        TypeFlow.prototype.inScopeTypeCheckDecl = function (ast) {
            if(ast.nodeType == TypeScript.NodeType.VarDecl || ast.nodeType == TypeScript.NodeType.ArgDecl) {
                this.inScopeTypeCheckBoundDecl(ast);
            } else {
                if(ast.nodeType == TypeScript.NodeType.FuncDecl) {
                    var funcDecl = ast;
                    if(funcDecl.isAccessor()) {
                        this.typeCheckFunction(funcDecl);
                    }
                }
            }
        };
        TypeFlow.prototype.inScopeTypeCheckBoundDecl = function (varDecl) {
            var sym = varDecl.sym;
            var svThisFnc = this.thisFnc;
            var svThisType = this.thisType;
            var prevMethodStatus = this.enclosingFncIsMethod;
            var prevLocationInfo = this.checker.locationInfo;
            if(sym && sym.container) {
                var instanceScope = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.ClassConstructorProperty) ? sym.container.getType().constructorScope : sym.container.instanceScope();
                if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Property) && sym.container.declAST.nodeType == TypeScript.NodeType.FuncDecl) {
                    this.thisFnc = sym.container.declAST;
                }
                if(instanceScope) {
                    var prevScope = this.scope;
                    this.scope = instanceScope;
                    var container = sym.container;
                    if(this.checker.units && (sym.unitIndex >= 0) && (sym.unitIndex < this.checker.units.length)) {
                        this.checker.locationInfo = this.checker.units[sym.unitIndex];
                    } else {
                        this.checker.locationInfo = TypeScript.unknownLocationInfo;
                    }
                    while(container) {
                        if(container.kind() == TypeScript.SymbolKind.Type) {
                            var typeSym = container;
                            var type = typeSym.type;
                            if(type.call) {
                                this.enclosingFncIsMethod = typeSym.isMethod;
                            }
                            if(type.isClass()) {
                                this.thisType = type.instanceType;
                                break;
                            }
                        }
                        container = container.container;
                    }
                    this.typeCheckBoundDecl(varDecl);
                    this.scope = prevScope;
                }
            }
            this.thisFnc = svThisFnc;
            this.thisType = svThisType;
            this.checker.locationInfo = prevLocationInfo;
            this.enclosingFncIsMethod = prevMethodStatus;
        };
        TypeFlow.prototype.resolveBoundDecl = function (varDecl) {
            if(varDecl.typeExpr) {
                if(varDecl.typeExpr.type == null || (varDecl.typeExpr.type && varDecl.typeExpr.type == this.anyType && this.scope) || varDecl.typeExpr.type.symbol == null || !this.checker.typeStatusIsFinished(varDecl.typeExpr.type.symbol.typeCheckStatus)) {
                    this.typeCheck(varDecl.typeExpr);
                }
                varDecl.type = varDecl.typeExpr.type;
                if(varDecl.sym) {
                    varDecl.sym.setType(varDecl.type);
                }
            } else {
                if(varDecl.init == null) {
                    if(this.checker.styleSettings.implicitAny) {
                        this.checker.errorReporter.styleError(varDecl, "type implicitly set to 'any'");
                    }
                    varDecl.type = this.anyType;
                    if(varDecl.sym) {
                        if(varDecl.sym.isType()) {
                            var tsym = varDecl.sym;
                            if(tsym.isMethod) {
                                this.checker.errorReporter.simpleError(varDecl, "Cannot bind method group to variable.  (Did you mean to use 'declare function' instead of 'declare var'?)");
                                return;
                            } else {
                                this.checker.errorReporter.simpleError(varDecl, "Cannot bind type to variable");
                                return;
                            }
                        }
                        varDecl.sym.setType(varDecl.type);
                    }
                }
            }
        };
        TypeFlow.prototype.typeCheckBoundDecl = function (varDecl) {
            var infSym = varDecl.sym;
            if(infSym == null) {
                if(varDecl.init) {
                    varDecl.init = this.typeCheck(varDecl.init);
                    varDecl.type = this.checker.widenType(varDecl.init.type);
                } else {
                    if(this.checker.styleSettings.implicitAny) {
                        this.checker.errorReporter.styleError(varDecl, "type implicitly set to 'any'");
                    }
                    varDecl.type = this.anyType;
                }
            } else {
                if(infSym.typeCheckStatus == TypeScript.TypeCheckStatus.Started) {
                    if(this.checker.styleSettings.implicitAny) {
                        this.checker.errorReporter.styleError(varDecl, "type implicitly set to 'any'");
                    }
                    varDecl.type = this.anyType;
                    infSym.setType(this.anyType);
                } else {
                    if(infSym.typeCheckStatus == TypeScript.TypeCheckStatus.NotStarted) {
                        infSym.typeCheckStatus = TypeScript.TypeCheckStatus.Started;
                        this.checker.addStartedPTO(infSym);
                        var resolved = false;
                        if(varDecl.type == null) {
                            if(varDecl.typeExpr) {
                                this.resolveBoundDecl(varDecl);
                                resolved = true;
                                varDecl.type = varDecl.typeExpr.type;
                                infSym.typeCheckStatus = this.checker.getTypeCheckFinishedStatus();
                            }
                        }
                        if(varDecl.init) {
                            if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Ambient)) {
                                this.checker.errorReporter.simpleError(varDecl, "Ambient variable can not have an initializer");
                            }
                            var isLocalStatic = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.LocalStatic);
                            var prevScope = this.scope;
                            var applyTargetType = !varDecl.init.isParenthesized;
                            if(isLocalStatic) {
                                this.scope = varDecl.sym.container.getType().memberScope;
                            }
                            if(varDecl.varFlags & TypeScript.VarFlags.Property) {
                                this.inBoundPropTypeCheck = true;
                            }
                            this.checker.typeCheckWithContextualType(varDecl.type, this.checker.inProvisionalTypecheckMode(), applyTargetType, varDecl.init);
                            if(this.inBoundPropTypeCheck) {
                                this.inBoundPropTypeCheck = false;
                            }
                            this.scope = prevScope;
                            if(varDecl.type) {
                                var preserveScope = false;
                                var preservedContainedScope = null;
                                if(varDecl.init.type) {
                                    preservedContainedScope = varDecl.init.type.containedScope;
                                    preserveScope = true;
                                    if(varDecl.init.type == this.voidType) {
                                        this.checker.errorReporter.simpleError(varDecl, "Cannot assign type 'void' to variable '" + varDecl.id.text + "'");
                                    }
                                }
                                varDecl.init = this.castWithCoercion(varDecl.init, varDecl.type, applyTargetType, false);
                                if(preserveScope && varDecl.init.type.containedScope == null) {
                                    varDecl.init.type.containedScope = preservedContainedScope;
                                }
                            } else {
                                varDecl.type = this.checker.widenType(varDecl.init.type);
                                if(varDecl.type == this.voidType) {
                                    this.checker.errorReporter.simpleError(varDecl, "Cannot assign type 'void' to variable '" + varDecl.id.text + "'");
                                    varDecl.type = this.anyType;
                                }
                            }
                            infSym.setType(varDecl.type);
                        } else {
                            if(!resolved) {
                                this.resolveBoundDecl(varDecl);
                            }
                        }
                        infSym.typeCheckStatus = this.checker.getTypeCheckFinishedStatus();
                    } else {
                        if(this.checker.typeStatusIsFinished(infSym.typeCheckStatus) && (infSym.declAST != varDecl)) {
                            if(varDecl.init) {
                                varDecl.init = this.typeCheck(varDecl.init);
                                varDecl.type = infSym.getType();
                                varDecl.init = this.cast(varDecl.init, varDecl.type);
                            }
                        }
                    }
                }
            }
            if(varDecl.id && varDecl.sym) {
                varDecl.id.sym = varDecl.sym;
            }
            return varDecl;
        };
        TypeFlow.prototype.typeCheckSuper = function (ast) {
            if(this.thisType && (this.enclosingFncIsMethod && !this.thisFnc.isStatic()) && this.thisType.baseClass()) {
                ast.type = this.thisType.baseClass();
            } else {
                ast.type = this.anyType;
                this.checker.errorReporter.invalidSuperReference(ast);
            }
            return ast;
        };
        TypeFlow.prototype.typeCheckThis = function (ast) {
            var illegalThisRef = false;
            if(this.thisFnc == null) {
                if(this.thisType) {
                    if(this.thisClassNode && this.thisClassNode.nty == TypeScript.NodeType.Class) {
                        illegalThisRef = true;
                        ast.type = this.anyType;
                    } else {
                        ast.type = this.thisType;
                    }
                } else {
                    if(this.checker.currentModDecl) {
                        this.checker.errorReporter.simpleError(ast, "'this' may not be referenced within module bodies");
                    }
                    ast.type = this.anyType;
                }
            } else {
                if((this.inBoundPropTypeCheck || this.inSuperCall) && this.thisClassNode && this.thisClassNode.nty == TypeScript.NodeType.Class) {
                    illegalThisRef = true;
                }
                if(this.thisFnc.isMethod() || this.thisFnc.isConstructor || this.thisFnc.isTargetTypedAsMethod) {
                    if(this.thisType && !(this.thisFnc.fncFlags & TypeScript.FncFlags.Static)) {
                        ast.type = this.thisType;
                    } else {
                        ast.type = this.anyType;
                    }
                } else {
                    ast.type = this.anyType;
                }
            }
            if(!this.enclosingFncIsMethod && this.thisFnc && TypeScript.hasFlag(this.thisFnc.fncFlags, TypeScript.FncFlags.IsFatArrowFunction)) {
                if(this.thisFnc.boundToProperty) {
                    var container = this.thisFnc.boundToProperty.sym.container;
                    if(container.declAST.nodeType == TypeScript.NodeType.FuncDecl) {
                        (container.declAST).setHasSelfReference();
                    }
                } else {
                    var encFnc = this.thisFnc.enclosingFnc;
                    var firstEncFnc = encFnc;
                    var foundMeth = false;
                    while(encFnc) {
                        if(encFnc.isMethod() || encFnc.isConstructor || encFnc.hasSelfReference()) {
                            encFnc.setHasSelfReference();
                            foundMeth = true;
                            break;
                        }
                        encFnc = encFnc.enclosingFnc;
                    }
                    if(!foundMeth && firstEncFnc) {
                        firstEncFnc.setHasSelfReference();
                    }
                    if(foundMeth && this.thisType) {
                        ast.type = this.thisType;
                    }
                }
            }
            if(illegalThisRef) {
                this.checker.errorReporter.simpleError(ast, "Keyword 'this' cannot be referenced in initializers in a class body, or in super constructor calls");
            }
            return ast;
        };
        TypeFlow.prototype.setTypeFromSymbol = function (ast, symbol) {
            if(symbol.isVariable()) {
                if(symbol.isInferenceSymbol()) {
                    var infSym = symbol;
                    if(infSym.declAST && !this.checker.typeStatusIsFinished(infSym.typeCheckStatus)) {
                        this.inScopeTypeCheckDecl(infSym.declAST);
                    }
                    if(!this.checker.styleSettings.innerScopeDeclEscape) {
                        if(infSym.declAST && (infSym.declAST.nodeType == TypeScript.NodeType.VarDecl)) {
                            if(this.nestingLevel < (infSym.declAST).nestingLevel) {
                                this.checker.errorReporter.styleError(ast, "Illegal reference to a variable defined in more nested scope");
                            }
                        }
                    }
                }
                ast.type = symbol.getType();
                if(!symbol.writeable()) {
                    ast.flags = ast.flags & (~(TypeScript.ASTFlags.Writeable));
                }
            } else {
                if(symbol.isType()) {
                    ast.type = symbol.getType();
                    ast.flags = ast.flags & (~(TypeScript.ASTFlags.Writeable));
                } else {
                    ast.type = this.anyType;
                    this.checker.errorReporter.symbolDoesNotReferToAValue(ast, symbol.name);
                }
            }
        };
        TypeFlow.prototype.typeCheckName = function (ast) {
            var _this = this;
            var identifier = ast;
            if(this.checker.inWith) {
                identifier.type = this.anyType;
            } else {
                var typespace = false;
                var idText = identifier.text;
                var originalIdText = idText;
                var isDynamicModuleName = TypeScript.isQuoted(identifier.text);
                var symbol = this.scope.find(idText, false, typespace);
                if(symbol == null && isDynamicModuleName) {
                    symbol = this.checker.findSymbolForDynamicModule(idText, this.currentScript.locationInfo.filename, function (id) {
                        return _this.scope.find(id, false, typespace);
                    });
                }
                if(!symbol) {
                    if(!identifier.isMissing()) {
                        this.checker.errorReporter.unresolvedSymbol(identifier, identifier.text);
                    }
                    identifier.type = this.anyType;
                } else {
                    if(this.inNewTargetTypeCheck && symbol.isInferenceSymbol() && !this.checker.typeStatusIsFinished((symbol).typeCheckStatus)) {
                        this.checker.errorReporter.simpleError(ast, "Symbol '" + identifier.text + "' is referenced before its declaration");
                    }
                    if(TypeScript.optimizeModuleCodeGen && symbol && symbol.isType()) {
                        var symType = symbol.getType();
                        if(symType && (symbol).aliasLink && (symbol).onlyReferencedAsTypeRef) {
                            var modDecl = symType.symbol.declAST;
                            if(modDecl && TypeScript.hasFlag(modDecl.modFlags, TypeScript.ModuleFlags.IsDynamic)) {
                                (symbol).onlyReferencedAsTypeRef = this.inTypeRefTypeCheck;
                            }
                        }
                    }
                    if(symbol.declAST && symbol.declAST.nodeType == TypeScript.NodeType.FuncDecl && !(symbol.declAST).returnTypeAnnotation && (symbol.declAST).signature.typeCheckStatus == TypeScript.TypeCheckStatus.Started) {
                        (symbol.declAST).type.symbol.flags |= TypeScript.SymbolFlags.RecursivelyReferenced;
                        (symbol.declAST).signature.returnType.type = this.anyType;
                    }
                    this.setTypeFromSymbol(ast, symbol);
                    identifier.sym = symbol;
                    if(this.thisFnc) {
                        if(this.thisFnc.type && symbol.container != this.thisFnc.type.symbol) {
                            this.thisFnc.freeVariables[this.thisFnc.freeVariables.length] = symbol;
                        }
                    }
                }
            }
            return ast;
        };
        TypeFlow.prototype.typeCheckScript = function (script) {
            this.checker.locationInfo = script.locationInfo;
            this.scope = this.checker.globalScope;
            if(!script.topLevelMod) {
                this.addLocalsFromScope(this.scope, this.checker.gloMod, script.vars, this.checker.globals, true);
            }
            this.currentScript = script;
            script.bod = this.typeCheck(script.bod);
            this.currentScript = null;
            return script;
        };
        TypeFlow.prototype.typeCheckBitNot = function (ast) {
            var unex = ast;
            unex.operand = this.typeCheck(unex.operand);
            unex.type = this.doubleType;
            return unex;
        };
        TypeFlow.prototype.typeCheckUnaryNumberOperator = function (ast) {
            var unex = ast;
            unex.operand = this.typeCheck(unex.operand);
            unex.type = this.doubleType;
            return ast;
        };
        TypeFlow.prototype.typeCheckLogNot = function (ast) {
            var unex = ast;
            unex.operand = this.typeCheck(unex.operand);
            unex.type = this.booleanType;
            return unex;
        };
        TypeFlow.prototype.astIsWriteable = function (ast) {
            return TypeScript.hasFlag(ast.flags, TypeScript.ASTFlags.Writeable);
        };
        TypeFlow.prototype.typeCheckIncOrDec = function (ast) {
            var unex = ast;
            var lval = unex.operand;
            if(!this.astIsWriteable(unex)) {
                this.checker.errorReporter.valueCannotBeModified(unex);
                unex.type = this.doubleType;
            } else {
                unex = this.typeCheckUnaryNumberOperator(ast);
                if(unex.operand.type != this.checker.numberType && unex.operand.type != this.checker.anyType && !(unex.operand.type.typeFlags & TypeScript.TypeFlags.IsEnum)) {
                    this.checker.errorReporter.simpleError(ast, "'++' and '--' may only be applied to operands of type 'number' or 'any'");
                }
            }
            return unex;
        };
        TypeFlow.prototype.typeCheckBitwiseOperator = function (ast, assignment) {
            var binex = ast;
            var resultType = null;
            binex.operand1 = this.typeCheck(binex.operand1);
            binex.operand2 = this.typeCheck(binex.operand2);
            var leftType = binex.operand1.type;
            var rightType = binex.operand2.type;
            if(assignment && (!this.astIsWriteable(binex))) {
                this.checker.errorReporter.valueCannotBeModified(binex);
            }
            if(this.checker.styleSettings.bitwise) {
                this.checker.errorReporter.styleError(ast, "use of " + TypeScript.nodeTypeTable[binex.nodeType]);
            }
            if(this.checker.sourceIsSubtypeOfTarget(leftType, this.doubleType) && (this.checker.sourceIsSubtypeOfTarget(rightType, this.doubleType))) {
                resultType = this.doubleType;
            } else {
                if((leftType == this.booleanType) && (rightType == this.booleanType)) {
                    resultType = this.booleanType;
                } else {
                    if(leftType == this.anyType) {
                        if((rightType == this.anyType) || (rightType == this.doubleType) || (rightType == this.booleanType)) {
                            resultType = this.anyType;
                        }
                    } else {
                        if(rightType == this.anyType) {
                            if((leftType == this.anyType) || (leftType == this.doubleType) || (leftType == this.booleanType)) {
                                resultType = this.anyType;
                            }
                        }
                    }
                }
            }
            if(resultType == null) {
                resultType = this.anyType;
                this.checker.errorReporter.incompatibleTypes(binex, leftType, rightType, binex.printLabel(), this.scope);
            }
            binex.type = resultType;
            return binex;
        };
        TypeFlow.prototype.typeCheckArithmeticOperator = function (ast, assignment) {
            var binex = ast;
            binex.operand1 = this.typeCheck(binex.operand1);
            binex.operand2 = this.typeCheck(binex.operand2);
            var leftType = binex.operand1.type;
            var rightType = binex.operand2.type;
            if(assignment && (!this.astIsWriteable(binex))) {
                this.checker.errorReporter.valueCannotBeModified(binex);
            }
            if(this.checker.styleSettings.bitwise && ((binex.nodeType == TypeScript.NodeType.And) || (binex.nodeType == TypeScript.NodeType.Or) || (binex.nodeType == TypeScript.NodeType.AsgAnd) || (binex.nodeType == TypeScript.NodeType.AsgOr))) {
                this.checker.errorReporter.styleError(ast, "use of " + TypeScript.nodeTypeTable[binex.nodeType]);
            }
            if(leftType == null || rightType == null) {
                this.checker.errorReporter.simpleError(binex, "Could not typecheck arithmetic operation.  Possible recursive typecheck error?");
                binex.type = this.anyType;
                return binex;
            }
            var nodeType = binex.nodeType;
            if(this.checker.isNullOrUndefinedType(leftType)) {
                leftType = rightType;
            }
            if(this.checker.isNullOrUndefinedType(rightType)) {
                rightType = leftType;
            }
            leftType = this.checker.widenType(leftType);
            rightType = this.checker.widenType(rightType);
            if(nodeType == TypeScript.NodeType.Add || nodeType == TypeScript.NodeType.AsgAdd) {
                if(leftType == this.checker.stringType || rightType == this.checker.stringType) {
                    binex.type = this.checker.stringType;
                } else {
                    if(leftType == this.checker.numberType && rightType == this.checker.numberType) {
                        binex.type = this.checker.numberType;
                    } else {
                        if(this.checker.sourceIsSubtypeOfTarget(leftType, this.checker.numberType) && this.checker.sourceIsSubtypeOfTarget(rightType, this.checker.numberType)) {
                            binex.type = this.checker.numberType;
                        } else {
                            if(leftType == this.checker.anyType || rightType == this.checker.anyType) {
                                binex.type = this.checker.anyType;
                            } else {
                                binex.type = this.anyType;
                                this.checker.errorReporter.incompatibleTypes(binex, leftType, rightType, binex.printLabel(), this.scope);
                            }
                        }
                    }
                }
            } else {
                if(leftType == this.checker.numberType && rightType == this.checker.numberType) {
                    binex.type = this.checker.numberType;
                } else {
                    if(this.checker.sourceIsSubtypeOfTarget(leftType, this.checker.numberType) && this.checker.sourceIsSubtypeOfTarget(rightType, this.checker.numberType)) {
                        binex.type = this.checker.numberType;
                    } else {
                        if(leftType == this.checker.anyType || rightType == this.checker.anyType) {
                            binex.type = this.checker.numberType;
                        } else {
                            binex.type = this.anyType;
                            this.checker.errorReporter.incompatibleTypes(binex, leftType, rightType, binex.printLabel(), this.scope);
                        }
                    }
                }
            }
            return binex;
        };
        TypeFlow.prototype.typeCheckDotOperator = function (ast) {
            var binex = ast;
            var leftIsFnc = false;
            binex.operand1 = this.typeCheck(binex.operand1);
            var leftType = binex.operand1.type;
            var leftScope = null;
            if(leftType) {
                if(leftType == this.anyType) {
                    binex.type = this.anyType;
                    return binex;
                } else {
                    if(leftType == this.stringType) {
                        if(this.stringInterfaceType) {
                            leftScope = this.stringInterfaceType.memberScope;
                        } else {
                            binex.type = this.anyType;
                            return binex;
                        }
                    } else {
                        if(leftType == this.doubleType) {
                            if(this.numberInterfaceType) {
                                leftScope = this.numberInterfaceType.memberScope;
                            } else {
                                binex.type = this.anyType;
                                return binex;
                            }
                        } else {
                            if(leftType == this.booleanType) {
                                if(this.booleanInterfaceType) {
                                    leftScope = this.booleanInterfaceType.memberScope;
                                } else {
                                    binex.type = this.anyType;
                                    return binex;
                                }
                            } else {
                                if((leftType.call || leftType.construct) && leftType.members == null) {
                                    if(this.functionInterfaceType) {
                                        leftScope = this.functionInterfaceType.memberScope;
                                    } else {
                                        binex.type = this.anyType;
                                        return binex;
                                    }
                                } else {
                                    if(leftType.elementType) {
                                        if(this.arrayInterfaceType) {
                                            var arrInstType = leftType.elementType.getArrayBase(this.arrayInterfaceType, this.checker);
                                            leftScope = arrInstType.memberScope;
                                        } else {
                                            binex.type = this.anyType;
                                            return binex;
                                        }
                                    } else {
                                        leftScope = leftType.memberScope;
                                    }
                                }
                            }
                        }
                    }
                }
            }
            if(leftScope == null) {
                this.checker.errorReporter.expectedClassOrInterface(binex);
                binex.type = this.anyType;
            } else {
                var propertyName = binex.operand2;
                var lhsIsEnclosingType = this.thisClassNode && binex.operand1.type == this.thisClassNode.type.instanceType;
                var symbol = leftScope.find(propertyName.text, !lhsIsEnclosingType, false);
                if(!symbol) {
                    if(this.objectInterfaceType && leftType) {
                        if(leftType.isReferenceType()) {
                            symbol = this.objectInterfaceType.memberScope.find(propertyName.text, false, false);
                        }
                        if(!symbol) {
                            if(this.functionInterfaceType && (leftType.call || leftType.construct)) {
                                symbol = this.functionInterfaceType.memberScope.find(propertyName.text, false, false);
                            }
                        }
                    }
                }
                if(!symbol || (!symbol.visible(leftScope, this.checker))) {
                    binex.type = this.anyType;
                    if(symbol == null) {
                        this.checker.errorReporter.simpleError(propertyName, "The property '" + propertyName.text + "' does not exist on value of type '" + leftType.getScopedTypeName(this.scope) + "'");
                    } else {
                        this.checker.errorReporter.simpleError(binex, "The property '" + propertyName.text + " on type '" + leftType.getScopedTypeName(this.scope) + "' is not visible");
                    }
                } else {
                    if(symbol.isVariable()) {
                        if(symbol.isInferenceSymbol()) {
                            var infSym = symbol;
                            if(infSym.declAST && !this.checker.typeStatusIsFinished(infSym.typeCheckStatus)) {
                                this.inScopeTypeCheckDecl(infSym.declAST);
                            }
                        }
                    }
                    propertyName.sym = symbol;
                    binex.type = symbol.getType();
                }
            }
            if(binex.type == null) {
                binex.type = this.anyType;
            }
            return binex;
        };
        TypeFlow.prototype.typeCheckBooleanOperator = function (ast) {
            var binex = ast;
            binex.operand1 = this.typeCheck(binex.operand1);
            binex.operand2 = this.typeCheck(binex.operand2);
            var leftType = binex.operand1.type;
            var rightType = binex.operand2.type;
            if((!(this.checker.sourceIsAssignableToTarget(leftType, rightType))) && (!(this.checker.sourceIsAssignableToTarget(rightType, leftType)))) {
                this.checker.errorReporter.incompatibleTypes(binex, leftType, rightType, binex.printLabel(), this.scope);
            }
            binex.type = this.booleanType;
            return binex;
        };
        TypeFlow.prototype.typeCheckAsgOperator = function (ast) {
            var binex = ast;
            var applyTargetType = !binex.operand2.isParenthesized;
            binex.operand1 = this.typeCheck(binex.operand1);
            this.checker.typeCheckWithContextualType(binex.operand1.type, this.checker.inProvisionalTypecheckMode(), applyTargetType, binex.operand2);
            var leftType = binex.operand1.type;
            var rightType = binex.operand2.type;
            if(!(this.astIsWriteable(binex.operand1))) {
                this.checker.errorReporter.valueCannotBeModified(binex);
            }
            if(binex.operand1.nodeType == TypeScript.NodeType.Call) {
                var callEx = binex.operand1;
            }
            var preserveScope = false;
            var preservedContainedScope = null;
            if(binex.operand2.type) {
                preservedContainedScope = binex.operand2.type.containedScope;
                preserveScope = true;
            }
            binex.operand2 = this.castWithCoercion(binex.operand2, leftType, applyTargetType, false);
            if(preserveScope && binex.operand2.type.containedScope == null) {
                binex.operand2.type.containedScope = preservedContainedScope;
            }
            binex.type = rightType;
            return binex;
        };
        TypeFlow.prototype.typeCheckIndex = function (ast) {
            var binex = ast;
            binex.operand1 = this.typeCheck(binex.operand1);
            binex.operand2 = this.typeCheck(binex.operand2);
            if(!this.checker.styleSettings.literalSubscript) {
                if(binex.operand2.nodeType == TypeScript.NodeType.QString) {
                    this.checker.errorReporter.styleError(ast, "use literal subscript ('.') notation instead)");
                }
            }
            var objExprType = binex.operand1.type;
            var indexExprType = binex.operand2.type;
            if(objExprType.elementType) {
                if(indexExprType == this.checker.anyType || indexExprType == this.checker.numberType || TypeScript.hasFlag(indexExprType.typeFlags, TypeScript.TypeFlags.IsEnum)) {
                    binex.type = objExprType.elementType;
                } else {
                    if(indexExprType == this.checker.stringType) {
                        binex.type = this.checker.anyType;
                    } else {
                        this.checker.errorReporter.simpleError(binex, "Illegal property access");
                        binex.type = this.checker.anyType;
                    }
                }
            } else {
                if(objExprType.index) {
                    if(indexExprType == this.checker.anyType || !((objExprType.index.flags & TypeScript.SignatureFlags.IsStringIndexer) || (objExprType.index.flags & TypeScript.SignatureFlags.IsNumberIndexer)) || ((objExprType.index.flags & TypeScript.SignatureFlags.IsStringIndexer) && indexExprType == this.checker.stringType) || ((objExprType.index.flags & TypeScript.SignatureFlags.IsNumberIndexer) && (indexExprType == this.checker.numberType || TypeScript.hasFlag(indexExprType.typeFlags, TypeScript.TypeFlags.IsEnum)))) {
                        var sig = this.resolveOverload(ast, objExprType.index);
                        if(sig) {
                            binex.type = sig.returnType.type;
                        } else {
                            binex.type = this.checker.anyType;
                        }
                    } else {
                        if(indexExprType == this.checker.stringType) {
                            binex.type = this.checker.anyType;
                        } else {
                            this.checker.errorReporter.simpleError(binex, "Illegal property access");
                            binex.type = this.checker.anyType;
                        }
                    }
                } else {
                    if((objExprType == this.checker.anyType || objExprType == this.checker.stringType || objExprType == this.checker.numberType || objExprType == this.checker.booleanType || objExprType.isReferenceType()) && (indexExprType == this.checker.anyType || indexExprType == this.checker.stringType || (indexExprType == this.checker.numberType || TypeScript.hasFlag(indexExprType.typeFlags, TypeScript.TypeFlags.IsEnum)))) {
                        binex.type = this.checker.anyType;
                    } else {
                        this.checker.errorReporter.simpleError(binex, "Illegal property access");
                        binex.type = this.checker.anyType;
                    }
                }
            }
            return binex;
        };
        TypeFlow.prototype.typeCheckInOperator = function (binex) {
            binex.operand1 = this.cast(this.typeCheck(binex.operand1), this.stringType);
            binex.operand2 = this.typeCheck(binex.operand2);
            if(!((binex.operand1.type == this.checker.anyType || binex.operand1.type == this.checker.stringType) && (binex.operand2.type == this.anyType || this.checker.sourceIsSubtypeOfTarget(binex.operand2.type, this.objectInterfaceType)))) {
                this.checker.errorReporter.simpleError(binex, "The in operator requires the left operand to be of type Any or the String primitive type, and the right operand to be of type Any or an object type");
            }
            binex.type = this.booleanType;
            return binex;
        };
        TypeFlow.prototype.typeCheckShift = function (binex, assignment) {
            binex.operand1 = this.cast(this.typeCheck(binex.operand1), this.doubleType);
            binex.operand2 = this.cast(this.typeCheck(binex.operand2), this.doubleType);
            if(assignment && (!(this.astIsWriteable(binex.operand1)))) {
                this.checker.errorReporter.valueCannotBeModified(binex);
            }
            binex.type = this.doubleType;
            return binex;
        };
        TypeFlow.prototype.typeCheckQMark = function (trinex) {
            trinex.operand1 = this.typeCheck(trinex.operand1);
            trinex.operand2 = this.typeCheck(trinex.operand2);
            trinex.operand3 = this.typeCheck(trinex.operand3);
            var leftType = trinex.operand2.type;
            var rightType = trinex.operand3.type;
            if(leftType == rightType) {
                trinex.type = leftType;
            } else {
                if(this.checker.sourceIsSubtypeOfTarget(leftType, rightType)) {
                    trinex.type = rightType;
                } else {
                    if(this.checker.sourceIsSubtypeOfTarget(rightType, leftType)) {
                        trinex.type = leftType;
                    } else {
                        trinex.type = this.anyType;
                        this.checker.errorReporter.incompatibleTypes(trinex, leftType, rightType, trinex.printLabel(), this.scope);
                    }
                }
            }
            return trinex;
        };
        TypeFlow.prototype.addFormals = function (container, signature, table) {
            var len = signature.parameters.length;
            for(var i = 0; i < len; i++) {
                var symbol = signature.parameters[i];
                symbol.container = container;
                table.add(symbol.name, symbol);
            }
        };
        TypeFlow.prototype.addLocalsFromScope = function (scope, container, vars, table, isModContainer) {
            var len = vars.members.length;
            var hasArgsDef = false;
            for(var i = 0; i < len; i++) {
                var local = vars.members[i];
                if(((local.sym == null) || (local.sym.kind() != TypeScript.SymbolKind.Field))) {
                    var result = null;
                    if((result = table.lookup(local.id.text)) == null) {
                        var localVar = new TypeScript.ValueLocation();
                        localVar.typeLink = new TypeScript.TypeLink();
                        var varSym = null;
                        if(TypeScript.hasFlag(local.varFlags, TypeScript.VarFlags.Static)) {
                            local.varFlags |= TypeScript.VarFlags.LocalStatic;
                            varSym = new TypeScript.FieldSymbol(local.id.text, local.minChar, this.checker.locationInfo.unitIndex, true, localVar);
                        } else {
                            varSym = new TypeScript.VariableSymbol(local.id.text, local.minChar, this.checker.locationInfo.unitIndex, localVar);
                        }
                        varSym.transferVarFlags(local.varFlags);
                        localVar.symbol = varSym;
                        varSym.declAST = local;
                        localVar.typeLink.ast = local.typeExpr;
                        this.checker.resolveTypeLink(scope, localVar.typeLink, false);
                        if((local.type == null) && (local.init == null)) {
                            local.type = this.anyType;
                        }
                        localVar.typeLink.type = local.type;
                        localVar.symbol.container = container;
                        local.sym = localVar.symbol;
                        table.add(local.id.text, varSym);
                        if(local.id.text == "arguments") {
                            hasArgsDef = true;
                        }
                    } else {
                        local.type = result.getType();
                        local.sym = result;
                    }
                }
            }
            if(!isModContainer) {
                if(!hasArgsDef) {
                    var argLoc = new TypeScript.ValueLocation();
                    argLoc.typeLink = new TypeScript.TypeLink();
                    var theArgSym = new TypeScript.VariableSymbol("arguments", vars.minChar, this.checker.locationInfo.unitIndex, argLoc);
                    argLoc.typeLink.ast = new TypeScript.Identifier("IArguments");
                    this.checker.resolveTypeLink(scope, argLoc.typeLink, false);
                    table.add("arguments", theArgSym);
                }
            }
        };
        TypeFlow.prototype.addConstructorLocalArgs = function (container, args, table, isClass) {
            if(args) {
                var len = args.members.length;
                for(var i = 0; i < len; i++) {
                    var local = args.members[i];
                    if((local.sym == null) || (isClass || (local.sym.kind() != TypeScript.SymbolKind.Field))) {
                        var result = null;
                        if((result = table.lookup(local.id.text)) == null) {
                            this.resolveBoundDecl(local);
                            var localVar = new TypeScript.ValueLocation();
                            localVar.typeLink = new TypeScript.TypeLink();
                            var varSym = new TypeScript.ParameterSymbol(local.id.text, local.minChar, this.checker.locationInfo.unitIndex, localVar);
                            varSym.declAST = local;
                            localVar.symbol = varSym;
                            localVar.typeLink.type = local.type;
                            localVar.symbol.container = container;
                            local.sym = localVar.symbol;
                            table.add(local.id.text, varSym);
                        } else {
                            local.type = result.getType();
                            local.sym = result;
                        }
                    }
                }
            }
        };
        TypeFlow.prototype.checkInitSelf = function (funcDecl) {
            if(!funcDecl.isMethod()) {
                var freeVars = funcDecl.freeVariables;
                for(var k = 0, len = freeVars.length; k < len; k++) {
                    var sym = freeVars[k];
                    if(sym.isInstanceProperty()) {
                        return true;
                    }
                }
            }
            var fns = funcDecl.scopes;
            var fnsLen = fns.members.length;
            for(var j = 0; j < fnsLen; j++) {
                var fn = fns.members[j];
                if(this.checkInitSelf(fn)) {
                    return true;
                }
            }
            return false;
        };
        TypeFlow.prototype.checkPromoteFreeVars = function (funcDecl, constructorSym) {
            var freeVars = funcDecl.freeVariables;
            for(var k = 0, len = freeVars.length; k < len; k++) {
                var sym = freeVars[k];
                if((!sym.isInstanceProperty()) && (sym.container == constructorSym)) {
                    TypeScript.instanceFilter.reset();
                    if(this.scope.search(TypeScript.instanceFilter, sym.name, false, false)) {
                        this.checker.errorReporter.simpleError(funcDecl, "Constructor-local variable shadows class property '" + sym.name + "'. To access the class property, use 'self." + sym.name + "'");
                    }
                    this.checker.errorReporter.simpleError(funcDecl, "Constructor-local variables may not be accessed from instance method bodies. Consider changing local variable '" + sym.name + "' to a class property");
                }
            }
        };
        TypeFlow.prototype.allReturnsAreVoid = function (funcDecl) {
            var allReturnsAreVoid = true;
            if(funcDecl.signature.returnType.type == null) {
                var preFindReturnExpressionTypes = function (ast, parent, walker) {
                    var go = true;
                    switch(ast.nodeType) {
                        case TypeScript.NodeType.FuncDecl: {
                            go = false;
                            break;

                        }
                        case TypeScript.NodeType.Return: {
                            var returnStmt = ast;
                            if(returnStmt.returnExpression) {
                                allReturnsAreVoid = false;
                                go = false;
                            }

                        }
                        default: {
                            break;

                        }
                    }
                    walker.options.goChildren = go;
                    walker.options.goNextSibling = go;
                    return ast;
                };
                TypeScript.getAstWalkerFactory().walk(funcDecl.bod, preFindReturnExpressionTypes);
            }
            return allReturnsAreVoid;
        };
        TypeFlow.prototype.classConstructorHasSuperCall = function (funcDecl) {
            var foundSuper = false;
            var preFindSuperCall = function (ast, parent, walker) {
                var go = true;
                switch(ast.nodeType) {
                    case TypeScript.NodeType.FuncDecl: {
                        go = false;
                        break;

                    }
                    case TypeScript.NodeType.Call: {
                        var call = ast;
                        if(call.target.nodeType == TypeScript.NodeType.Super) {
                            go = false;
                            foundSuper = true;
                            break;
                        }
                        break;

                    }
                    default: {
                        break;

                    }
                }
                walker.options.goChildren = go;
                return ast;
            };
            TypeScript.getAstWalkerFactory().walk(funcDecl.bod, preFindSuperCall);
            return foundSuper;
        };
        TypeFlow.prototype.typeCheckFunction = function (funcDecl) {
            this.nestingLevel = 0;
            var fnType = funcDecl.type;
            var fgSym = fnType.symbol;
            var signature = funcDecl.signature;
            if(this.checker.typeStatusIsFinished(signature.typeCheckStatus)) {
                return funcDecl;
            } else {
                if(signature.typeCheckStatus == TypeScript.TypeCheckStatus.Started) {
                    if(!funcDecl.returnTypeAnnotation && funcDecl.bod && !funcDecl.isSignature() && !(funcDecl.isConstructor) && this.allReturnsAreVoid(funcDecl)) {
                        signature.returnType.type = this.voidType;
                        return funcDecl;
                    } else {
                        if(funcDecl.returnTypeAnnotation == null) {
                            if(this.checker.styleSettings.implicitAny) {
                                this.checker.errorReporter.styleError(funcDecl, "type implicitly set to 'any'");
                            }
                            signature.returnType.type = this.anyType;
                            fgSym.flags |= TypeScript.SymbolFlags.RecursivelyReferenced;
                        }
                        return funcDecl;
                    }
                }
            }
            signature.typeCheckStatus = TypeScript.TypeCheckStatus.Started;
            this.checker.addStartedPTO(signature);
            var prevScope = this.scope;
            var prevFnc = this.thisFnc;
            var prevMethodStatus = this.enclosingFncIsMethod;
            var prevClassNode = this.thisClassNode;
            this.enclosingFncIsMethod = funcDecl.isMethod() || funcDecl.isConstructor;
            this.thisFnc = funcDecl;
            var container = funcDecl.type.symbol;
            var prevThisType = this.thisType;
            var prevLocationInfo = this.checker.locationInfo;
            var funcTable = null;
            var setNewTargetType = false;
            var targetParams = null;
            var targetReturnType = null;
            var isGetter = funcDecl.isAccessor() && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor);
            var isSetter = funcDecl.isAccessor() && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.SetAccessor);
            var accessorType = (isGetter || isSetter) && funcDecl.accessorSymbol ? funcDecl.accessorSymbol.getType() : null;
            var prevModDecl = this.checker.currentModDecl;
            if(funcDecl.isConstructor && !funcDecl.isOverload) {
                if(fnType.instanceType == null) {
                    this.checker.errorReporter.simpleError(funcDecl, "Malformed function body (is this a class named the same as an existing interface?)");
                    return funcDecl;
                }
                this.scope = fnType.instanceType.constructorScope;
                var ssb = this.scope;
                funcTable = ssb.valueMembers.allMembers;
            } else {
                if(funcDecl.isOverload) {
                    funcTable = funcDecl.symbols;
                    if(!TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static) && fnType.containedScope) {
                        this.scope = fnType.containedScope;
                    }
                } else {
                    if(funcDecl.bod) {
                        this.scope = fnType.containedScope;
                    }
                    var ssb = this.scope;
                    if(ssb && ssb.valueMembers) {
                        funcTable = ssb.valueMembers.allMembers;
                    }
                }
            }
            if(funcDecl.isConstructor && funcDecl.bod && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
                var hasBaseType = TypeScript.hasFlag(funcDecl.classDecl.type.instanceType.typeFlags, TypeScript.TypeFlags.HasBaseType);
                var noSuperCallAllowed = !hasBaseType || TypeScript.hasFlag(funcDecl.classDecl.type.instanceType.typeFlags, TypeScript.TypeFlags.HasBaseTypeOfObject);
                var superCallMustBeFirst = TypeScript.hasFlag((funcDecl.classDecl).varFlags, TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor);
                if(noSuperCallAllowed && this.classConstructorHasSuperCall(funcDecl)) {
                    this.checker.errorReporter.simpleError(funcDecl, "Calls to 'super' constructor are not allowed in classes that either inherit directly from 'Object' or have no base class");
                } else {
                    if(hasBaseType) {
                        if(superCallMustBeFirst) {
                            if(!funcDecl.bod || !funcDecl.bod.members.length || !(funcDecl.bod.members[0].nodeType == TypeScript.NodeType.Call && (funcDecl.bod.members[0]).target.nodeType == TypeScript.NodeType.Super)) {
                                this.checker.errorReporter.simpleError(funcDecl, "If a derived class contains initialized properties or constructor parameter properties, the first statement in the constructor body must be a call to the super constructor");
                            }
                        } else {
                            if(!this.classConstructorHasSuperCall(funcDecl)) {
                                this.checker.errorReporter.simpleError(funcDecl, "Constructors for derived classes must contain a call to the class's 'super' constructor");
                            }
                        }
                    }
                }
            }
            if(funcDecl.isMethod() && funcDecl.type.enclosingType) {
                var enclosingClassNode = null;
                if(funcDecl.type.enclosingType.symbol.declAST.nodeType == TypeScript.NodeType.FuncDecl) {
                    enclosingClassNode = (funcDecl.type.enclosingType.symbol.declAST).classDecl;
                } else {
                    if(funcDecl.type.enclosingType.symbol.declAST.nodeType == TypeScript.NodeType.Class) {
                        enclosingClassNode = funcDecl.type.enclosingType.symbol.declAST;
                    }
                }
                if(enclosingClassNode) {
                    this.thisClassNode = enclosingClassNode;
                }
            }
            if(fnType.enclosingType) {
                ; ;
                var enclosingSym = fnType.symbol.container;
                if(enclosingSym && enclosingSym.isType() && enclosingSym.getType().isClass()) {
                    enclosingSym = enclosingSym.container;
                }
                if(enclosingSym && enclosingSym.declAST && enclosingSym.declAST.nodeType == TypeScript.NodeType.Module) {
                    this.checker.currentModDecl = enclosingSym.declAST;
                }
            }
            if(this.checker.units && (funcDecl.unitIndex >= 0) && (funcDecl.unitIndex < this.checker.units.length)) {
                this.checker.locationInfo = this.checker.units[funcDecl.unitIndex];
            } else {
                this.checker.locationInfo = TypeScript.unknownLocationInfo;
            }
            if(fnType.enclosingType) {
                this.thisType = fnType.enclosingType;
            } else {
                this.thisType = prevThisType;
            }
            var paramLen = signature.parameters.length;
            if(!funcDecl.isConstructor && funcDecl.bod && !funcDecl.isSignature()) {
                var tmpParamScope = this.scope;
                var ssb = this.scope;
                if(!funcDecl.isMethod() && funcDecl.returnTypeAnnotation == null) {
                    if(prevScope && funcDecl.name && !funcDecl.name.isMissing()) {
                        var considerSym = prevScope.findAmbient(funcDecl.name.text, false, false);
                        if(considerSym && considerSym.declAST && considerSym.declAST.type) {
                            this.checker.setContextualType(considerSym.declAST.type, false);
                            setNewTargetType = true;
                        }
                    }
                    if(this.checker.hasTargetType()) {
                        var candidateTypeContext = this.checker.getTargetTypeContext();
                        var candidateType = candidateTypeContext.contextualType;
                        if(this.checker.canContextuallyTypeFunction(candidateType, funcDecl, true)) {
                            var candidateSigs = candidateType.construct ? candidateType.construct : candidateType.call;
                            candidateTypeContext.targetSig = candidateSigs.signatures[0];
                            var candidateParams = candidateTypeContext.targetSig.parameters;
                            targetParams = candidateParams;
                            targetReturnType = candidateTypeContext.targetSig.returnType.type;
                            if(candidateTypeContext.targetSig.declAST) {
                                if(candidateTypeContext.targetSig.declAST.isConstructor) {
                                    funcDecl.isTargetTypedAsMethod = true;
                                } else {
                                    if(candidateTypeContext.targetSig.declAST.isMethod()) {
                                        funcDecl.isTargetTypedAsMethod = true;
                                    }
                                }
                            }
                            fgSym.type = candidateTypeContext.contextualType;
                        } else {
                            if(candidateType && funcDecl.isAccessor()) {
                                accessorType = candidateType;
                                candidateTypeContext.targetAccessorType = accessorType;
                            } else {
                                this.checker.killTargetType();
                            }
                        }
                    }
                }
                var paramTable = ssb.valueMembers;
                this.scope = new TypeScript.SymbolScopeBuilder(paramTable, null, null, null, prevScope, container);
                for(var p = 0; p < paramLen; p++) {
                    var param = signature.parameters[p];
                    var symbol = param;
                    var ast = symbol.declAST;
                    if(this.checker.hasTargetType() && (targetParams && (this.checker.getTargetTypeContext().targetSig.hasVariableArgList || p < targetParams.length))) {
                        var candidateTypeContext = this.checker.getTargetTypeContext();
                        var hasVarArgList = candidateTypeContext.targetSig.hasVariableArgList;
                        ast.type = hasVarArgList && p >= targetParams.length - 1 ? targetParams[targetParams.length - 1].getType().elementType : targetParams[p].getType();
                        ast.sym.setType(ast.type);
                        (ast.sym).typeCheckStatus = this.checker.getTypeCheckFinishedStatus();
                    } else {
                        this.typeCheck(ast);
                    }
                    if(isSetter && accessorType) {
                        ast = this.cast(ast, accessorType);
                    }
                    symbol.container = container;
                    paramTable.publicMembers.add(symbol.name, symbol);
                }
                this.scope = tmpParamScope;
            } else {
                this.typeCheck(funcDecl.args);
                for(var p = 0; p < paramLen; p++) {
                    signature.parameters[p].parameter.typeLink.type = funcDecl.args.members[p].type;
                    if((funcDecl.args.members[p]).parameterPropertySym) {
                        (funcDecl.args.members[p]).parameterPropertySym.setType(funcDecl.args.members[p].type);
                    }
                }
                if((funcDecl.fncFlags & TypeScript.FncFlags.IndexerMember)) {
                    if(!paramLen || paramLen > 1) {
                        this.checker.errorReporter.simpleError(funcDecl, "Index signatures may take only one parameter");
                    } else {
                        if(funcDecl.args.members[0].type == this.checker.numberType) {
                            fnType.index.flags |= TypeScript.SignatureFlags.IsNumberIndexer;
                        } else {
                            if(funcDecl.args.members[0].type == this.checker.stringType) {
                                fnType.index.flags |= TypeScript.SignatureFlags.IsStringIndexer;
                            } else {
                                this.checker.errorReporter.simpleError(funcDecl, "Index signatures may only take 'string' or 'number' as their parameter");
                            }
                        }
                    }
                }
            }
            if(funcDecl.bod && (!funcDecl.isSignature())) {
                if(!(funcDecl.isConstructor)) {
                    this.addFormals(container, signature, funcTable);
                } else {
                    this.addConstructorLocalArgs(funcDecl.type.symbol, funcDecl.args, funcTable, TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod));
                    if(this.thisClassNode && this.thisClassNode.extendsList) {
                        var tmpScope = this.scope;
                        var funcMembers = new TypeScript.ScopedMembers(funcTable);
                        this.scope = new TypeScript.FilteredSymbolScopeBuilder(funcMembers, prevScope, funcDecl.type.symbol, function (sym) {
                            return sym.kind() == TypeScript.SymbolKind.Parameter;
                        });
                        this.typeCheckBaseCalls(this.thisClassNode.extendsList);
                        this.scope = tmpScope;
                    }
                }
                var prevMod = this.checker.currentModDecl;
                if(funcDecl.type && funcDecl.type.symbol && !funcDecl.isMethod() && funcDecl.type.symbol.declModule) {
                    this.checker.currentModDecl = funcDecl.type.symbol.declModule;
                }
                this.typeCheck(funcDecl.bod);
                this.checker.currentModDecl = prevMod;
                if(this.checker.checkControlFlow) {
                    var cfg = funcDecl.buildControlFlow();
                    if(this.checker.printControlFlowGraph) {
                        cfg.print(this.checker.errorReporter.outfile);
                    }
                    cfg.reportUnreachable(this.checker.errorReporter);
                    if(this.checker.checkControlFlowUseDef) {
                        cfg.useDef(this.checker.errorReporter, funcDecl.type.symbol);
                    }
                }
                if(funcDecl.isConstructor) {
                    var fns = funcDecl.scopes;
                    var fnsLen = fns.members.length;
                    var freeVars;
                    var sym;
                    var j = 0;
                    for(; j < fnsLen; j++) {
                        var fn = fns.members[j];
                        if(!fn.isSignature()) {
                            if(TypeScript.hasFlag(fn.fncFlags, TypeScript.FncFlags.Method) && (!TypeScript.hasFlag(fn.fncFlags, TypeScript.FncFlags.Static))) {
                                this.checkPromoteFreeVars(fn, funcDecl.type.symbol);
                            }
                        }
                    }
                }
            }
            this.scope = prevScope;
            this.thisFnc = prevFnc;
            this.thisClassNode = prevClassNode;
            this.enclosingFncIsMethod = prevMethodStatus;
            this.thisType = prevThisType;
            this.checker.locationInfo = prevLocationInfo;
            this.checker.currentModDecl = prevModDecl;
            signature.typeCheckStatus = this.checker.getTypeCheckFinishedStatus();
            if(funcDecl.returnTypeAnnotation) {
                this.checkForVoidConstructor(funcDecl.returnTypeAnnotation.type, funcDecl.returnTypeAnnotation);
                if(signature.returnType.type == null) {
                    this.checker.resolveTypeLink(this.scope, signature.returnType, false);
                }
            } else {
                if(targetReturnType) {
                    signature.returnType.type = targetReturnType;
                }
            }
            if(!(fgSym.flags & TypeScript.SymbolFlags.RecursivelyReferenced) && funcDecl.returnStatementsWithExpressions.length > 0) {
                var collection = {
                    getLength: function () {
                        return funcDecl.returnStatementsWithExpressions.length;
                    },
                    setTypeAtIndex: function (index, type) {
                        funcDecl.returnStatementsWithExpressions[index].type = type;
                    },
                    getTypeAtIndex: function (index) {
                        return funcDecl.returnStatementsWithExpressions[index].type;
                    }
                };
                var bestCommonReturnType = funcDecl.returnStatementsWithExpressions[0].type;
                bestCommonReturnType = this.checker.findBestCommonType(bestCommonReturnType, null, collection);
                if(bestCommonReturnType) {
                    signature.returnType.type = this.checker.widenType(bestCommonReturnType);
                } else {
                    for(var i = 0; i < funcDecl.returnStatementsWithExpressions.length; i++) {
                        this.checker.errorReporter.simpleError(funcDecl.returnStatementsWithExpressions[i], "Incompatible return type");
                    }
                    signature.returnType.type = this.anyType;
                }
            }
            if(signature.returnType.type == null) {
                if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.HasReturnExpression)) {
                    if(this.checker.styleSettings.implicitAny) {
                        this.checker.errorReporter.styleError(funcDecl, "type implicitly set to 'any'");
                    }
                    signature.returnType.type = this.anyType;
                } else {
                    signature.returnType.type = this.voidType;
                }
            } else {
                if(signature.returnType.type == this.nullType || signature.returnType.type == this.checker.undefinedType) {
                    signature.returnType.type = this.anyType;
                } else {
                    if((signature.returnType.type != this.voidType && signature.returnType.type != this.checker.undefinedType && signature.returnType.type != this.anyType) && funcDecl.returnTypeAnnotation) {
                        if(!funcDecl.isSignature() && !funcDecl.isConstructor && !TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.HasReturnExpression) && !TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.IsFatArrowFunction)) {
                            var onlyHasThrow = (funcDecl.bod.members.length > 0) && (funcDecl.bod.members[0].nodeType == TypeScript.NodeType.Throw);
                            if(!onlyHasThrow) {
                                this.checker.errorReporter.simpleError(funcDecl, "Function declared a non-void return type, but has no return expression");
                            }
                        }
                    }
                }
            }
            if(setNewTargetType) {
                this.checker.unsetContextualType();
            }
            if(funcDecl.accessorSymbol) {
                var accessorType = funcDecl.accessorSymbol.getType();
                if(accessorType) {
                    if((TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor) && accessorType != signature.returnType.type) || (funcDecl.args.members.length > 0 && accessorType != funcDecl.args.members[0].type)) {
                        this.checker.errorReporter.simpleError(funcDecl, "Getter and setter types do not agree");
                    }
                } else {
                    if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor)) {
                        funcDecl.accessorSymbol.setType(signature.returnType.type);
                    } else {
                        if(funcDecl.args.members.length != 1) {
                            this.checker.errorReporter.simpleError(funcDecl, "Setters may have one and only one argument");
                        } else {
                            funcDecl.accessorSymbol.setType(funcDecl.args.members[0].type);
                        }
                    }
                }
            }
            this.typeCheckOverloadSignatures(fnType, funcDecl);
            return funcDecl;
        };
        TypeFlow.prototype.typeCheckBases = function (type) {
            var seenInterface = false;
            var bases = type.extendsList;
            if(bases) {
                var len = bases.length;
                this.inNewTargetTypeCheck = true;
                if(len > 0) {
                    type.typeFlags |= TypeScript.TypeFlags.HasBaseType;
                }
                for(var i = 0; i < len; i++) {
                    var base = bases[i];
                    var baseTypeOfObject = base.symbol && base.symbol.name == "Object" && base.symbol.container == this.checker.gloMod;
                    if(baseTypeOfObject) {
                        type.typeFlags |= TypeScript.TypeFlags.HasBaseTypeOfObject;
                    }
                    if(base.isClassInstance()) {
                        if(type.isClassInstance() && !this.checker.typeStatusIsFinished(base.symbol.typeCheckStatus) && base.symbol.declAST) {
                            this.checker.errorReporter.simpleErrorFromSym(base.symbol, "Base type '" + base.symbol.name + "' is referenced before its declaration");
                            this.typeCheck(base.symbol.declAST);
                        }
                        if(this.currentScript) {
                            this.currentScript.requiresInherits = true;
                        }
                        if(!(type.isClassInstance())) {
                            this.checker.errorReporter.simpleErrorFromSym(base.symbol, "Interface base type must be interface");
                        } else {
                            if(seenInterface) {
                                this.checker.errorReporter.simpleErrorFromSym(base.symbol, "Class may not follow interface as base type");
                            }
                        }
                    } else {
                        if(base.isModuleType()) {
                            this.checker.errorReporter.simpleErrorFromSym(base.symbol, "Types may not be derived from module types");
                        } else {
                            if(base.members) {
                                if(!seenInterface) {
                                    seenInterface = true;
                                }
                            } else {
                                if(!(type.isClassInstance())) {
                                    this.checker.errorReporter.simpleErrorFromSym(base.symbol, "Interface base type must be interface");
                                } else {
                                    this.checker.errorReporter.simpleErrorFromSym(base.symbol, "Base type must be interface or class");
                                }
                                break;
                            }
                        }
                    }
                }
                this.inNewTargetTypeCheck = false;
            }
        };
        TypeFlow.prototype.checkMembersImplementInterfaces = function (implementingType) {
            var instanceType = implementingType.getInstanceType();
            if(instanceType.implementsList) {
                var len = instanceType.implementsList.length;
                this.inNewTargetTypeCheck = true;
                for(var i = 0; i < len; i++) {
                    var interfaceType = instanceType.implementsList[i];
                    var comparisonInfo = new TypeScript.TypeComparisonInfo();
                    if(!this.checker.sourceIsSubtypeOfTarget(instanceType, interfaceType, comparisonInfo)) {
                        var emsg = "Class '" + instanceType.getTypeName() + "' declares interface '" + interfaceType.getTypeName() + "' but does not implement it";
                        if(!comparisonInfo.message) {
                            this.checker.errorReporter.simpleErrorFromSym(instanceType.symbol, emsg);
                        } else {
                            this.checker.errorReporter.simpleErrorFromSym(instanceType.symbol, emsg + ": " + comparisonInfo.message);
                        }
                    }
                }
                this.inNewTargetTypeCheck = false;
            }
        };
        TypeFlow.prototype.typeCheckBaseCalls = function (bases) {
            if(bases == null) {
                return;
            }
            var basesLen = bases.members.length;
            for(var i = 0; i < basesLen; i++) {
                var baseExpr = bases.members[i];
                var baseSymbol = null;
                if(baseExpr.nodeType == TypeScript.NodeType.Call) {
                    this.typeCheckNew(baseExpr);
                }
            }
        };
        TypeFlow.prototype.assertUniqueNamesInBaseTypes = function (names, type, classDecl, checkUnique) {
            var _this = this;
            if(type) {
                if(type.members) {
                    type.members.publicMembers.map(function (key, s, c) {
                        var sym = s;
                        var dup = names.lookup(sym.name);
                        if(dup) {
                            if(checkUnique) {
                                _this.checker.errorReporter.simpleError(classDecl, "duplicate member name in bases for " + classDecl.name.text + ": " + type.symbol.name + " and " + dup.container.name + " both contain member with name " + sym.name);
                            }
                        } else {
                            names.add(sym.name, sym);
                        }
                    }, null);
                }
                if(type.extendsList) {
                    var len = type.extendsList.length;
                    for(var i = 0; i < len; i++) {
                        if(!(type.extendsList[i].symbol.flags & TypeScript.SymbolFlags.RecursivelyReferenced)) {
                            this.assertUniqueNamesInBaseTypes(names, type.extendsList[i], classDecl, checkUnique);
                        }
                    }
                }
            }
        };
        TypeFlow.prototype.checkBaseTypeMemberInheritance = function (derivedType, derivedTypeDecl) {
            var _this = this;
            var instanceType = derivedType.getInstanceType();
            if(instanceType.extendsList == null) {
                return;
            }
            var len = instanceType.extendsList.length;
            if(len > 0) {
                var names = new TypeScript.StringHashTable();
                if(instanceType.isClassInstance()) {
                    for(var i = 0; i < len; i++) {
                        this.assertUniqueNamesInBaseTypes(names, instanceType.extendsList[i], derivedTypeDecl, i > 0);
                    }
                }
                if(instanceType.members) {
                    instanceType.members.publicMembers.map(function (key, s, c) {
                        var sym = s;
                        for(var j = 0; j < len; j++) {
                            var base = instanceType.extendsList[j];
                            if(base.memberScope == null) {
                                _this.checker.errorReporter.simpleError(derivedTypeDecl, "Base type '" + base.symbol.name + "' lacks an implementation.");
                            } else {
                                var bSym = base.memberScope.find(sym.name, false, false);
                                if(bSym) {
                                    var aType = sym.getType();
                                    var bType = bSym.getType();
                                    if(!(_this.checker.sourceIsSubtypeOfTarget(aType, bType))) {
                                        _this.checker.errorReporter.simpleErrorFromSym(sym, "Type of overridden member '" + sym.name + "' is not subtype of original member defined by type '" + bSym.container.name + "'");
                                    } else {
                                        if((sym.kind() == TypeScript.SymbolKind.Type) && (bSym.kind() == TypeScript.SymbolKind.Field)) {
                                            _this.checker.errorReporter.simpleErrorFromSym(sym, "Cannot override field '" + sym.name + "' with method");
                                        }
                                    }
                                }
                            }
                        }
                    }, null);
                }
            }
        };
        TypeFlow.prototype.typeCheckClass = function (classDecl) {
            var typeSymbol = classDecl.type.symbol;
            if(typeSymbol.typeCheckStatus == TypeScript.TypeCheckStatus.Finished) {
                return classDecl;
            } else {
                if(typeSymbol.typeCheckStatus == TypeScript.TypeCheckStatus.Started) {
                    return classDecl;
                } else {
                    typeSymbol.typeCheckStatus = TypeScript.TypeCheckStatus.Started;
                    this.checker.addStartedPTO(typeSymbol);
                }
            }
            var prevScope = this.scope;
            var svClassNode = this.thisClassNode;
            this.thisClassNode = classDecl;
            var classType = classDecl.type;
            this.typeCheckBases(classType.instanceType);
            var prevThisType = this.thisType;
            this.thisType = classType.instanceType;
            this.scope = classType.instanceType.containedScope;
            if(classDecl.constructorDecl) {
                this.scope = classType.instanceType.constructorScope;
                var ssb = this.scope;
                var funcTable = ssb.valueMembers.allMembers;
                this.addConstructorLocalArgs(classDecl.constructorDecl.type.symbol, classDecl.constructorDecl.args, funcTable, true);
            }
            this.typeCheck(classDecl.members);
            typeSymbol.typeCheckStatus = TypeScript.TypeCheckStatus.Finished;
            this.checkBaseTypeMemberInheritance(classType, classDecl);
            this.checkMembersImplementInterfaces(classType);
            this.typeCheckOverloadSignatures(classType, classDecl);
            this.typeCheckOverloadSignatures(classType.instanceType, classDecl);
            if(!classDecl.constructorDecl) {
                if(classDecl.baseClass && classDecl.baseClass.members.length && classDecl.baseClass.members[0].type && classDecl.baseClass.members[0].type.symbol.type.isClass()) {
                    TypeScript.cloneParentConstructGroupForChildType(classDecl.type, classDecl.baseClass.members[0].type.symbol.type);
                }
            }
            this.thisType = prevThisType;
            this.thisClassNode = svClassNode;
            this.scope = prevScope;
            return classDecl;
        };
        TypeFlow.prototype.typeCheckOverloadSignatures = function (type, ast) {
            if(type.call) {
                type.call.typeCheck(this.checker, ast, type.construct != null);
            }
            if(type.construct) {
                type.construct.typeCheck(this.checker, ast, false);
            }
            if(type.index) {
                type.index.typeCheck(this.checker, ast, false);
            }
        };
        TypeFlow.prototype.typeCheckInterface = function (interfaceDecl) {
            this.typeCheckBases(interfaceDecl.type);
            this.typeCheck(interfaceDecl.members);
            this.checkBaseTypeMemberInheritance(interfaceDecl.type, interfaceDecl);
            if(interfaceDecl.extendsList) {
                for(var i = 0; i < interfaceDecl.extendsList.members.length; i++) {
                    if(interfaceDecl.extendsList.members[i].type.call) {
                        if(interfaceDecl.type.call) {
                            interfaceDecl.type.call.signatures = interfaceDecl.type.call.signatures.concat(interfaceDecl.extendsList.members[i].type.call.signatures);
                        } else {
                            interfaceDecl.type.call = interfaceDecl.extendsList.members[i].type.call;
                        }
                    }
                    if(interfaceDecl.extendsList.members[i].type.construct) {
                        if(interfaceDecl.type.construct) {
                            interfaceDecl.type.construct.signatures = interfaceDecl.type.construct.signatures.concat(interfaceDecl.extendsList.members[i].type.construct.signatures);
                        } else {
                            interfaceDecl.type.construct = interfaceDecl.extendsList.members[i].type.construct;
                        }
                    }
                    if(interfaceDecl.extendsList.members[i].type.index) {
                        if(interfaceDecl.type.index) {
                            interfaceDecl.type.index.signatures = interfaceDecl.type.index.signatures.concat(interfaceDecl.extendsList.members[i].type.index.signatures);
                        } else {
                            interfaceDecl.type.index = interfaceDecl.extendsList.members[i].type.index;
                        }
                    }
                }
            }
            return interfaceDecl;
        };
        TypeFlow.prototype.typeCheckImportDecl = function (importDecl) {
            var mod = importDecl.alias.type;
            var sym = null;
            var prevInImportTC = this.inImportTypeCheck;
            this.inImportTypeCheck = true;
            this.typeCheck(importDecl.alias);
            mod = importDecl.alias.type;
            if(mod == null) {
                this.checker.errorReporter.simpleError(importDecl.alias, "Could not resolve module alias '" + importDecl.id.text + "'");
                mod = this.checker.anyType;
                (importDecl.id.sym).type = mod;
            }
            importDecl.id.type = mod;
            sym = mod.symbol;
            if(!mod.isModuleType()) {
                this.checker.errorReporter.simpleError(importDecl.alias, "A module cannot be aliased to a non-module type");
            } else {
                sym.type = mod;
                if(this.checker.currentModDecl && this.checker.currentModDecl.mod) {
                    this.checker.currentModDecl.mod.importedModules.push(importDecl);
                }
                (importDecl.id.sym).type = mod;
                if(mod.symbol && mod.symbol.declAST) {
                    (mod.symbol.declAST).modFlags &= ~TypeScript.ModuleFlags.ShouldEmitModuleDecl;
                }
            }
            this.inImportTypeCheck = prevInImportTC;
            return importDecl;
        };
        TypeFlow.prototype.typeCheckModule = function (moduleDecl) {
            if(!moduleDecl.mod) {
                return moduleDecl;
            }
            if(this.currentScript) {
                this.currentScript.requiresGlobal = true;
            }
            var mod = moduleDecl.mod;
            var sym = null;
            var prevScope = this.scope;
            var prevThisType = this.thisType;
            var prevCurrentModDecl = this.checker.currentModDecl;
            this.checker.currentModDecl = moduleDecl;
            if(!this.inImportTypeCheck && prevCurrentModDecl && TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.IsDynamic) && !TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.Ambient)) {
                this.checker.errorReporter.simpleError(moduleDecl, "Dynamic modules may not be nested within other modules");
            }
            this.thisType = null;
            this.scope = mod.containedScope;
            this.typeCheck(moduleDecl.members);
            sym = mod.symbol;
            this.checker.currentModDecl = prevCurrentModDecl;
            this.thisType = prevThisType;
            this.scope = prevScope;
            moduleDecl.type = mod;
            if(sym) {
                sym.typeCheckStatus = TypeScript.TypeCheckStatus.Finished;
            }
            return moduleDecl;
        };
        TypeFlow.prototype.typeCheckFor = function (forStmt) {
            forStmt.init = this.typeCheck(forStmt.init);
            this.nestingLevel++;
            forStmt.cond = this.typeCheck(forStmt.cond);
            this.typeCheckCondExpr(forStmt.cond);
            forStmt.incr = this.typeCheck(forStmt.incr);
            this.nestingLevel--;
            forStmt.body = this.typeCheck(forStmt.body);
            this.typeCheckCompoundStmtBlock(forStmt.body, "for statement");
            forStmt.type = this.voidType;
            return forStmt;
        };
        TypeFlow.prototype.typeCheckWith = function (withStmt) {
            if(this.checker.errorsOnWith) {
                this.checker.errorReporter.simpleError(withStmt.expr, "All symbols within a 'with' block will be typed as 'any'");
            }
            withStmt.expr = this.typeCheck(withStmt.expr);
            this.checker.inWith = true;
            withStmt.body = this.typeCheck(withStmt.body);
            this.typeCheckCompoundStmtBlock(withStmt.body, "with statement");
            this.checker.inWith = false;
            return withStmt;
        };
        TypeFlow.prototype.typeCheckForIn = function (forInStmt) {
            forInStmt.obj = this.typeCheck(forInStmt.obj);
            forInStmt.lval = this.cast(this.typeCheck(forInStmt.lval), this.checker.stringType);
            if(forInStmt.lval.nodeType == TypeScript.NodeType.VarDecl) {
                var varDecl = forInStmt.lval;
                if(varDecl.typeExpr) {
                    this.checker.errorReporter.simpleError(varDecl, "Variable declarations for for/in expressions may not contain a type annotation");
                }
                if(varDecl.sym) {
                    varDecl.sym.setType(this.checker.stringType);
                }
            }
            forInStmt.body = this.typeCheck(forInStmt.body);
            this.typeCheckCompoundStmtBlock(forInStmt.body, "for in statement");
            return forInStmt;
        };
        TypeFlow.prototype.typeCheckWhile = function (whileStmt) {
            whileStmt.cond = this.typeCheck(whileStmt.cond);
            this.typeCheckCondExpr(whileStmt.cond);
            whileStmt.body = this.typeCheck(whileStmt.body);
            this.typeCheckCompoundStmtBlock(whileStmt.body, "while statement");
            whileStmt.type = this.voidType;
            return whileStmt;
        };
        TypeFlow.prototype.typeCheckDoWhile = function (doWhileStmt) {
            doWhileStmt.cond = this.typeCheck(doWhileStmt.cond);
            this.typeCheckCondExpr(doWhileStmt.cond);
            doWhileStmt.body = this.typeCheck(doWhileStmt.body);
            this.typeCheckCompoundStmtBlock(doWhileStmt.body, "do while statement");
            doWhileStmt.type = this.voidType;
            return doWhileStmt;
        };
        TypeFlow.prototype.typeCheckCondExpr = function (cond) {
            if(this.checker.styleSettings.assignmentInCond) {
                if((cond !== null) && (cond.nodeType >= TypeScript.NodeType.Asg) && (cond.nodeType <= TypeScript.NodeType.LastAsg)) {
                    this.checker.errorReporter.simpleError(cond, "top-level assignment statement in conditional expression");
                }
            }
        };
        TypeFlow.prototype.typeCheckCompoundStmtBlock = function (stmts, stmtType) {
            if(this.checker.styleSettings.blockInCompoundStmt && stmts) {
                if(stmts.nodeType != TypeScript.NodeType.Block) {
                    this.checker.errorReporter.styleError(stmts, stmtType + " requires a block");
                }
            }
        };
        TypeFlow.prototype.typeCheckIf = function (ifStmt) {
            ifStmt.cond = this.typeCheck(ifStmt.cond);
            this.typeCheckCondExpr(ifStmt.cond);
            ifStmt.thenBod = this.typeCheck(ifStmt.thenBod);
            ifStmt.elseBod = this.typeCheck(ifStmt.elseBod);
            this.typeCheckCompoundStmtBlock(ifStmt.thenBod, "if statement");
            this.typeCheckCompoundStmtBlock(ifStmt.elseBod, "if statement");
            ifStmt.type = this.voidType;
            return ifStmt;
        };
        TypeFlow.prototype.typeFromAccessorFuncDecl = function (funcDecl) {
            if(!funcDecl.isAccessor()) {
                return null;
            }
            if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor)) {
                return funcDecl.type.call.signatures[0].returnType.type;
            } else {
                return funcDecl.type.call.signatures[0].parameters[0].getType();
            }
        };
        TypeFlow.prototype.typeCheckObjectLit = function (objectLit) {
            var resultType = new TypeScript.Type();
            resultType.symbol = new TypeScript.TypeSymbol(this.checker.anon, objectLit.minChar, this.checker.locationInfo.unitIndex, resultType);
            resultType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
            resultType.memberScope = new TypeScript.SymbolTableScope(resultType.members, null, null, null, null);
            var aggScope = new TypeScript.SymbolAggregateScope(resultType.symbol);
            aggScope.addParentScope(resultType.memberScope);
            aggScope.addParentScope(this.scope);
            resultType.containedScope = aggScope;
            var memberDecls = objectLit.operand;
            var prevThisType = this.thisType;
            var acceptTargetType = false;
            var targetType = null;
            if(this.checker.hasTargetType()) {
                targetType = this.checker.getTargetTypeContext().contextualType;
                if(targetType && targetType.symbol && !this.checker.typeStatusIsFinished(targetType.symbol.typeCheckStatus)) {
                    if(targetType.symbol.declAST) {
                        this.typeCheck(targetType.symbol.declAST);
                    }
                }
                acceptTargetType = true;
            }
            if(memberDecls) {
                for(var i = 0, len = memberDecls.members.length; i < len; i++) {
                    var binex = memberDecls.members[i];
                    var id = binex.operand1;
                    var text;
                    var targetMember = null;
                    var fieldSymbol = null;
                    if(id.nodeType == TypeScript.NodeType.Name) {
                        text = (id).text;
                    } else {
                        if(id.nodeType == TypeScript.NodeType.QString) {
                            var idText = (id).text;
                            text = idText.substring(1, idText.length - 1);
                        } else {
                            this.checker.errorReporter.simpleError(objectLit, "malformed object literal");
                            resultType = this.anyType;
                            break;
                        }
                    }
                    if(acceptTargetType && targetType.memberScope) {
                        targetMember = targetType.memberScope.find(text, false, false);
                    }
                    if(binex.operand2.nodeType == TypeScript.NodeType.FuncDecl && (binex.operand2).isAccessor()) {
                        var funcDecl = binex.operand2;
                        var accessorSym = resultType.members.publicMembers.lookup(text);
                        accessorSym = this.checker.createAccessorSymbol(funcDecl, accessorSym, resultType, true, false, resultType.memberScope, null);
                        funcDecl.accessorSymbol = accessorSym;
                        fieldSymbol = accessorSym;
                        if(id.nodeType == TypeScript.NodeType.Name) {
                            (id).sym = accessorSym;
                        }
                    }
                    this.checker.typeCheckWithContextualType(acceptTargetType && targetMember ? targetMember.getType() : null, false, acceptTargetType, binex.operand2);
                    if(acceptTargetType && targetMember) {
                        if((binex.operand2.type == this.anyType || this.checker.sourceIsAssignableToTarget(binex.operand2.type, targetMember.getType())) || (binex.operand2.nodeType == TypeScript.NodeType.FuncDecl && (binex.operand2).isAccessor() && this.typeFromAccessorFuncDecl(binex.operand2) == targetMember.getType())) {
                            binex.operand1.type = targetMember.getType();
                        }
                    } else {
                        binex.operand2.type = binex.operand2.type == this.checker.undefinedType ? this.anyType : binex.operand2.type;
                    }
                    if(fieldSymbol == null) {
                        var memberType = binex.operand2.type;
                        var field = new TypeScript.ValueLocation();
                        fieldSymbol = new TypeScript.FieldSymbol(text, id.minChar, this.checker.locationInfo.unitIndex, true, field);
                        fieldSymbol.flags |= TypeScript.SymbolFlags.Property;
                        field.symbol = fieldSymbol;
                        fieldSymbol.typeCheckStatus = this.checker.getTypeCheckFinishedStatus();
                        field.typeLink = new TypeScript.TypeLink();
                        field.typeLink.type = memberType;
                        resultType.members.publicMembers.add(text, fieldSymbol);
                    }
                    fieldSymbol.isObjectLitField = true;
                }
            }
            this.thisType = prevThisType;
            objectLit.type = resultType;
            if(targetType) {
                objectLit.targetType = targetType;
            }
        };
        TypeFlow.prototype.typeCheckArrayLit = function (arrayLit) {
            var elements = arrayLit.operand;
            var elementType = this.anyType;
            var targetElementType = null;
            var comparisonInfo = new TypeScript.TypeComparisonInfo();
            comparisonInfo.onlyCaptureFirstError = true;
            if(this.checker.hasTargetType()) {
                var targetType = this.checker.getTargetTypeContext().contextualType;
                if(targetType.elementType) {
                    targetElementType = targetType.elementType;
                }
            }
            if(elements) {
                var prevInArrayElemTypeCheck = this.inArrayElementTypeCheck;
                this.inArrayElementTypeCheck = true;
                this.checker.typeCheckWithContextualType(targetElementType, this.checker.inProvisionalTypecheckMode(), targetElementType != null, elements);
                this.inArrayElementTypeCheck = prevInArrayElemTypeCheck;
                elementType = elements.members[0].type;
                var collection = {
                    getLength: function () {
                        return elements.members.length;
                    },
                    setTypeAtIndex: function (index, type) {
                        elements.members[index].type = type;
                    },
                    getTypeAtIndex: function (index) {
                        return elements.members[index].type;
                    }
                };
                elementType = this.checker.findBestCommonType(elementType, targetElementType, collection, comparisonInfo);
                if(elementType == this.checker.undefinedType || (!prevInArrayElemTypeCheck && elementType == this.nullType)) {
                    elementType = this.anyType;
                }
            }
            if(!elementType) {
                var emsg = "Incompatible types in array literal expression";
                if(!comparisonInfo.message) {
                    this.checker.errorReporter.simpleError(arrayLit, emsg);
                } else {
                    this.checker.errorReporter.simpleError(arrayLit, emsg + ": " + comparisonInfo.message);
                }
                elementType = this.anyType;
            } else {
                if(targetElementType) {
                    if(this.checker.sourceIsAssignableToTarget(elementType, targetElementType)) {
                        elementType = targetElementType;
                    }
                }
            }
            arrayLit.type = this.checker.makeArrayType(elementType);
        };
        TypeFlow.prototype.checkForVoidConstructor = function (type, ast) {
            if(type && type.construct && type.construct.signatures.length > 0) {
                for(var i = 0; i < type.construct.signatures.length; i++) {
                    if(type.construct.signatures[i].returnType.type == this.checker.voidType) {
                        this.checker.errorReporter.simpleError(ast, "Constructors may not have a return type of 'void'");
                        break;
                    }
                }
            }
        };
        TypeFlow.prototype.typeCheckReturn = function (returnStmt) {
            if(this.thisFnc) {
                var targetType = null;
                if(this.checker.hasTargetType()) {
                    var tcContext = this.checker.getTargetTypeContext();
                    var accessorType = tcContext.targetAccessorType;
                    if(accessorType) {
                        targetType = accessorType;
                    } else {
                        var targetSig = this.checker.getTargetTypeContext().targetSig;
                        if(targetSig && targetSig.returnType.type != this.voidType) {
                            targetType = targetSig.returnType.type;
                        }
                    }
                }
                if(returnStmt.returnExpression) {
                    this.thisFnc.fncFlags |= TypeScript.FncFlags.HasReturnExpression;
                    if(targetType == null && this.thisFnc.returnTypeAnnotation && this.thisFnc.returnTypeAnnotation.type && this.thisFnc.returnTypeAnnotation.type != this.voidType) {
                        targetType = this.thisFnc.returnTypeAnnotation.type;
                    }
                    this.checker.typeCheckWithContextualType(targetType, this.checker.inProvisionalTypecheckMode(), targetType != null, returnStmt.returnExpression);
                    var expectedReturnType = (this.thisFnc.returnTypeAnnotation && this.thisFnc.returnTypeAnnotation.type) ? this.thisFnc.returnTypeAnnotation.type : targetType;
                    if(expectedReturnType) {
                        if(expectedReturnType == this.voidType && returnStmt.returnExpression.type != this.voidType) {
                            this.checker.errorReporter.simpleError(returnStmt, "Return with value expression in void function");
                            returnStmt.type = returnStmt.returnExpression.type;
                        } else {
                            returnStmt.returnExpression = this.cast(returnStmt.returnExpression, expectedReturnType);
                            returnStmt.type = expectedReturnType;
                        }
                    } else {
                        if(targetType) {
                            if(returnStmt.returnExpression.type != this.voidType) {
                                returnStmt.returnExpression = this.cast(returnStmt.returnExpression, targetType);
                            } else {
                                returnStmt.returnExpression.type = targetType;
                            }
                        }
                        returnStmt.type = returnStmt.returnExpression.type;
                    }
                    this.thisFnc.returnStatementsWithExpressions[this.thisFnc.returnStatementsWithExpressions.length] = returnStmt;
                } else {
                    returnStmt.type = targetType == null ? this.checker.voidType : targetType;
                }
            }
            return returnStmt;
        };
        TypeFlow.prototype.typeCheckInstOf = function (ast) {
            var binex = ast;
            binex.operand1 = this.typeCheck(binex.operand1);
            binex.operand2 = this.typeCheck(binex.operand2);
            if(!((binex.operand1.type == this.checker.anyType || this.checker.sourceIsSubtypeOfTarget(binex.operand1.type, this.objectInterfaceType)) && (binex.operand2.type == this.anyType || this.checker.sourceIsSubtypeOfTarget(binex.operand2.type, this.functionInterfaceType)))) {
                this.checker.errorReporter.simpleError(ast, "The instanceof operator requires the left operand to be of type Any or an object type, and the right operand to be of type Any or a subtype of the Function interface type");
            }
            binex.type = this.booleanType;
            return binex;
        };
        TypeFlow.prototype.typeCheckCommaOperator = function (ast) {
            var binex = ast;
            binex.operand1 = this.typeCheck(binex.operand1);
            binex.operand2 = this.typeCheck(binex.operand2);
            binex.type = binex.operand2.type;
            return binex;
        };
        TypeFlow.prototype.typeCheckLogOr = function (binex) {
            binex.operand1 = this.typeCheck(binex.operand1);
            binex.operand2 = this.typeCheck(binex.operand2);
            var leftType = binex.operand1.type;
            var rightType = binex.operand2.type;
            if(leftType == this.checker.anyType || rightType == this.checker.anyType) {
                binex.type = this.checker.anyType;
            } else {
                if(leftType == this.checker.booleanType) {
                    if(rightType == this.checker.booleanType) {
                        binex.type = this.checker.booleanType;
                    } else {
                        binex.type = this.checker.anyType;
                    }
                } else {
                    if(leftType == this.checker.numberType) {
                        if(rightType == this.checker.numberType) {
                            binex.type = this.checker.numberType;
                        } else {
                            binex.type = this.checker.anyType;
                        }
                    } else {
                        if(leftType == this.checker.stringType) {
                            if(rightType == this.checker.stringType) {
                                binex.type = this.checker.stringType;
                            } else {
                                binex.type = this.checker.anyType;
                            }
                        } else {
                            if(this.checker.sourceIsSubtypeOfTarget(leftType, rightType)) {
                                binex.type = rightType;
                            } else {
                                if(this.checker.sourceIsSubtypeOfTarget(rightType, leftType)) {
                                    binex.type = leftType;
                                } else {
                                    binex.type = this.checker.anyType;
                                }
                            }
                        }
                    }
                }
            }
            return binex;
        };
        TypeFlow.prototype.typeCheckLogAnd = function (binex) {
            binex.operand1 = this.typeCheck(binex.operand1);
            binex.operand2 = this.typeCheck(binex.operand2);
            binex.type = binex.operand2.type;
            return binex;
        };
        TypeFlow.prototype.tryAddCandidates = function (signature, actuals, exactCandidates, conversionCandidates, comparisonInfo) {
            var lowerBound = signature.nonOptionalParameterCount;
            var upperBound = signature.parameters.length;
            var formalLen = lowerBound;
            var acceptable = false;
            if((actuals.length >= lowerBound) && (signature.hasVariableArgList || actuals.length <= upperBound)) {
                formalLen = (signature.hasVariableArgList ? signature.parameters.length : actuals.length);
                acceptable = true;
            }
            var repeatType = null;
            if(acceptable || signature.hasVariableArgList) {
                if(signature.hasVariableArgList) {
                    formalLen -= 1;
                    repeatType = (signature.parameters[formalLen]).parameter.typeLink.type;
                    repeatType = repeatType.elementType;
                    acceptable = actuals.length >= formalLen;
                }
                var len = actuals.length;
                var exact = acceptable;
                var convert = acceptable;
                for(var i = 0; i < len; i++) {
                    var typeA;
                    if(i < formalLen) {
                        typeA = (signature.parameters[i]).parameter.typeLink.type;
                    } else {
                        typeA = repeatType;
                    }
                    var typeB = actuals[i];
                    if(!typeA || !typeB || !(this.checker.typesAreIdentical(typeA, typeB))) {
                        exact = false;
                    }
                    if(!this.checker.sourceIsAssignableToTarget(typeB, typeA, comparisonInfo)) {
                        convert = false;
                    }
                    if(!(exact || convert)) {
                        break;
                    }
                }
                if(exact) {
                    exactCandidates[exactCandidates.length] = signature;
                } else {
                    if(convert && (exactCandidates.length == 0)) {
                        conversionCandidates[conversionCandidates.length] = signature;
                    }
                }
            }
        };
        TypeFlow.prototype.resolveOverload = function (application, group) {
            var rd = this.resolutionDataCache.getResolutionData();
            var actuals = rd.actuals;
            var exactCandidates = rd.exactCandidates;
            var conversionCandidates = rd.conversionCandidates;
            var candidate = null;
            var hasOverloads = group.signatures.length > 1;
            var comparisonInfo = new TypeScript.TypeComparisonInfo();
            var args = null;
            var target = null;
            if(application.nodeType == TypeScript.NodeType.Call || application.nodeType == TypeScript.NodeType.New) {
                var callEx = application;
                args = callEx.args;
                target = callEx.target;
                if(callEx.args) {
                    var len = callEx.args.members.length;
                    for(var i = 0; i < len; i++) {
                        actuals[i] = callEx.args.members[i].type;
                    }
                }
            } else {
                if(application.nodeType == TypeScript.NodeType.Index) {
                    var binExp = application;
                    target = binExp.operand1;
                    args = new TypeScript.ASTList();
                    args.members[0] = binExp.operand2;
                    actuals[0] = binExp.operand2.type;
                }
            }
            for(var j = 0, groupLen = group.signatures.length; j < groupLen; j++) {
                var signature = group.signatures[j];
                if(hasOverloads && signature == group.definitionSignature && !this.checker.canCallDefinitionSignature) {
                    continue;
                }
                if(!signature.returnType.type && signature.declAST && (signature.typeCheckStatus != TypeScript.TypeCheckStatus.Finished)) {
                    this.typeCheckFunction(signature.declAST);
                }
                this.tryAddCandidates(signature, actuals, exactCandidates, conversionCandidates, comparisonInfo);
            }
            if(exactCandidates.length == 0) {
                var applicableCandidates = this.checker.getApplicableSignatures(conversionCandidates, args, comparisonInfo);
                if(applicableCandidates.length > 0) {
                    var candidateInfo = this.checker.findMostApplicableSignature(applicableCandidates, args);
                    if(candidateInfo.ambiguous) {
                        this.checker.errorReporter.simpleError(target, "Ambiguous call expression - could not choose overload");
                    }
                    candidate = candidateInfo.sig;
                } else {
                    var emsg = "Supplied parameters do not match any signature of call target";
                    if(comparisonInfo.message) {
                        this.checker.errorReporter.simpleError(target, emsg + ":\n\t" + comparisonInfo.message);
                    } else {
                        this.checker.errorReporter.simpleError(target, emsg);
                    }
                }
            } else {
                if(exactCandidates.length > 1) {
                    var applicableSigs = [];
                    for(var i = 0; i < exactCandidates.length; i++) {
                        applicableSigs[i] = {
                            signature: exactCandidates[i],
                            hadProvisionalErrors: false
                        };
                    }
                    var candidateInfo = this.checker.findMostApplicableSignature(applicableSigs, args);
                    if(candidateInfo.ambiguous) {
                        this.checker.errorReporter.simpleError(target, "Ambiguous call expression - could not choose overload");
                    }
                    candidate = candidateInfo.sig;
                } else {
                    candidate = exactCandidates[0];
                }
            }
            this.resolutionDataCache.returnResolutionData(rd);
            return candidate;
        };
        TypeFlow.prototype.typeCheckNew = function (ast) {
            var callEx = ast;
            callEx.target = this.typeCheck(callEx.target);
            var target = callEx.target;
            if(target.type.construct || target.type.call) {
                this.preTypeCheckCallArgs(callEx.args);
            } else {
                callEx.args = this.typeCheck(callEx.args);
            }
            if(target.type == this.anyType) {
                callEx.type = this.anyType;
                callEx.args = this.typeCheck(callEx.args);
            } else {
                if(target.type.construct) {
                    var signature = this.resolveOverload(callEx, target.type.construct);
                    if(signature == null) {
                        callEx.type = this.anyType;
                    } else {
                        if(signature.returnType.type == this.voidType) {
                            callEx.type = this.anyType;
                            callEx.signature = signature;
                        } else {
                            callEx.type = signature.returnType.type;
                            callEx.signature = signature;
                        }
                    }
                } else {
                    if(target.type.call) {
                        var signature = this.resolveOverload(callEx, target.type.call);
                        if(signature == null) {
                            callEx.type = this.anyType;
                        } else {
                            if((signature.returnType.type == this.voidType) || (signature.returnType.type == this.anyType)) {
                                callEx.type = this.anyType;
                                callEx.signature = signature;
                            } else {
                                this.checker.errorReporter.simpleError(callEx.target, "new expression only valid on constructors");
                            }
                        }
                    } else {
                        if(target.type.elementType) {
                            callEx.type = target.type;
                        } else {
                            this.checker.errorReporter.invalidCall(callEx, callEx.nodeType, this.scope);
                            callEx.type = this.anyType;
                        }
                    }
                }
            }
            this.postTypeCheckCallArgs(callEx);
            return callEx;
        };
        TypeFlow.prototype.preTypeCheckCallArgs = function (args) {
            if(!args) {
                return;
            }
            for(var i = 0; i < args.members.length; i++) {
                switch(args.members[i].nodeType) {
                    case TypeScript.NodeType.FuncDecl:
                    case TypeScript.NodeType.ObjectLit:
                    case TypeScript.NodeType.ArrayLit: {
                        continue;

                    }
                    default: {
                        this.typeCheck(args.members[i]);
                        break;

                    }
                }
            }
        };
        TypeFlow.prototype.postTypeCheckCallArgs = function (callEx) {
            var acceptedTargetType = false;
            var i = 0;
            if(callEx.target && callEx.target.type && callEx.signature && callEx.args) {
                var sig = callEx.signature;
                if(sig && callEx.args.members.length >= sig.nonOptionalParameterCount) {
                    acceptedTargetType = true;
                    var targetType = null;
                    var len = callEx.args.members.length < sig.parameters.length ? callEx.args.members.length : sig.parameters.length;
                    for(i = 0; i < len; i++) {
                        targetType = sig.parameters[i].getType();
                        if(targetType && sig.hasVariableArgList && i >= sig.nonOptionalParameterCount - 1) {
                            targetType = targetType.elementType;
                        }
                        switch(callEx.args.members[i].nodeType) {
                            case TypeScript.NodeType.FuncDecl:
                            case TypeScript.NodeType.ObjectLit:
                            case TypeScript.NodeType.ArrayLit: {
                                this.checker.typeCheckWithContextualType(targetType, this.checker.inProvisionalTypecheckMode(), !sig.parameters[i].declAST.isParenthesized, callEx.args.members[i]);
                                break;

                            }
                            default: {
                                continue;

                            }
                        }
                    }
                }
            }
            if(!acceptedTargetType && callEx.args) {
                this.checker.killTargetType();
                for(i = 0; i < callEx.args.members.length; i++) {
                    switch(callEx.args.members[i].nodeType) {
                        case TypeScript.NodeType.FuncDecl:
                        case TypeScript.NodeType.ObjectLit:
                        case TypeScript.NodeType.ArrayLit: {
                            this.typeCheck(callEx.args.members[i]);
                            break;

                        }
                        default: {
                            continue;

                        }
                    }
                }
            }
        };
        TypeFlow.prototype.typeCheckCall = function (ast) {
            var callEx = ast;
            if(this.checker.styleSettings.newMustBeUsed && (ast.nodeType == TypeScript.NodeType.New)) {
                if(TypeScript.hasFlag(ast.flags, TypeScript.ASTFlags.IsStatement)) {
                    this.checker.errorReporter.styleError(ast, "use of new expression as a statement");
                }
            } else {
                if((!this.checker.styleSettings.evalOK) && (ast.nodeType == TypeScript.NodeType.Call)) {
                    if((callEx.target.nodeType == TypeScript.NodeType.Name) && ((callEx.target).text == "eval")) {
                        this.checker.errorReporter.styleError(callEx, "eval not permitted");
                    }
                }
            }
            if(callEx.target.nodeType == TypeScript.NodeType.FuncDecl) {
                (callEx.target).isInlineCallLiteral = true;
            }
            var prevInSuperCall = this.inSuperCall;
            if(callEx.target.nodeType == TypeScript.NodeType.Super) {
                this.inSuperCall = true;
            }
            callEx.target = this.typeCheck(callEx.target);
            this.preTypeCheckCallArgs(callEx.args);
            var target = callEx.target;
            if((target.type == null) || (target.type == this.anyType) || (this.functionInterfaceType && target.type == this.functionInterfaceType)) {
                callEx.type = this.anyType;
            } else {
                var fnType = target.type;
                if(fnType.call) {
                    var signature = this.resolveOverload(callEx, fnType.call);
                    if(signature == null) {
                        callEx.type = this.anyType;
                    } else {
                        callEx.type = signature.returnType.type;
                        callEx.signature = signature;
                    }
                } else {
                    if(callEx.target.nodeType == TypeScript.NodeType.Super && this.thisFnc && this.thisFnc.isConstructor && TypeScript.hasFlag(this.thisFnc.fncFlags, TypeScript.FncFlags.ClassMethod)) {
                        var signature = fnType.symbol.type.construct ? this.resolveOverload(callEx, fnType.symbol.type.construct) : null;
                        if(signature == null) {
                            callEx.type = this.anyType;
                        } else {
                            callEx.flags |= TypeScript.ASTFlags.ClassBaseConstructorCall;
                            callEx.type = signature.returnType.type;
                            callEx.signature = signature;
                        }
                    } else {
                        callEx.type = this.anyType;
                        this.checker.errorReporter.invalidCall(callEx, callEx.nodeType, this.scope);
                    }
                }
            }
            this.postTypeCheckCallArgs(callEx);
            this.inSuperCall = prevInSuperCall;
            return callEx;
        };
        TypeFlow.prototype.assignScopes = function (ast) {
            var script = ast;
            this.checker.locationInfo = script.locationInfo;
            var globalChain = new ScopeChain(null, null, this.globalScope);
            var context = new TypeScript.AssignScopeContext(globalChain, this, [
                this.checker.currentModDecl
            ]);
            TypeScript.getAstWalkerFactory().walk(ast, TypeScript.preAssignScopes, TypeScript.postAssignScopes, null, context);
        };
        TypeFlow.prototype.findMemberScope = function (enclosingScopeContext, matchFlag) {
            var enclosingScope = enclosingScopeContext.getScope();
            var pos = enclosingScopeContext.pos - enclosingScopeContext.getScriptFragmentPosition();
            var scriptFragment = enclosingScopeContext.getScriptFragment();
            var memContext = new TypeScript.MemberScopeContext(this, pos, matchFlag);
            memContext.scope = enclosingScope;
            if(scriptFragment.nodeType == TypeScript.NodeType.Name) {
                return scriptFragment.type.getMemberScope(this);
            } else {
                TypeScript.getAstWalkerFactory().walk(scriptFragment, TypeScript.preFindMemberScope, null, null, memContext);
                if(memContext.ast && enclosingScopeContext.enclosingClassDecl && memContext.ast.type == enclosingScopeContext.enclosingClassDecl.type.instanceType) {
                    enclosingScopeContext.publicsOnly = false;
                }
                if(memContext.type) {
                    return memContext.type.getMemberScope(this);
                } else {
                    return null;
                }
            }
        };
        TypeFlow.prototype.findMemberScopeAt = function (enclosingScopeContext) {
            return this.findMemberScope(enclosingScopeContext, TypeScript.ASTFlags.DotLHS);
        };
        TypeFlow.prototype.findMemberScopeAtFullAst = function (enclosingScopeContext) {
            var matchFlag = TypeScript.ASTFlags.DotLHS;
            var pos = enclosingScopeContext.pos;
            var astResult = null;
            var preFindMemberScopeFullAst = function (ast, parent, walker) {
                if(TypeScript.isValidAstNode(ast)) {
                    if(TypeScript.hasFlag(ast.flags, matchFlag) && (pos == ast.limChar || (pos - 1) == ast.limChar)) {
                        astResult = ast;
                        walker.options.stopWalk();
                    }
                    walker.options.goChildren = (ast.minChar <= pos) && (pos <= ast.limChar);
                }
                return ast;
            };
            var preFindMemberScopeFullAstFuzy = function (ast, parent, walker) {
                if(TypeScript.isValidAstNode(ast)) {
                    if(TypeScript.hasFlag(ast.flags, matchFlag) && ((ast.minChar < pos) && (pos <= ast.limChar))) {
                        astResult = ast;
                    }
                    walker.options.goChildren = (ast.minChar <= pos) && (pos <= ast.limChar);
                }
                return ast;
            };
            TypeScript.getAstWalkerFactory().walk(enclosingScopeContext.script, preFindMemberScopeFullAst);
            if(astResult == null) {
                TypeScript.getAstWalkerFactory().walk(enclosingScopeContext.script, preFindMemberScopeFullAstFuzy);
            }
            if(astResult && enclosingScopeContext.enclosingClassDecl && astResult.type == enclosingScopeContext.enclosingClassDecl.type.instanceType) {
                enclosingScopeContext.publicsOnly = false;
            }
            if(astResult && astResult.type) {
                return astResult.type.getMemberScope(this);
            } else {
                return null;
            }
        };
        return TypeFlow;
    })();
    TypeScript.TypeFlow = TypeFlow;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    (function (Primitive) {
        Primitive._map = [];
        Primitive.None = 0;
        Primitive.Void = 1;
        Primitive.Double = 2;
        Primitive.String = 4;
        Primitive.Boolean = 8;
        Primitive.Any = 16;
        Primitive.Null = 32;
        Primitive.Undefined = 64;
    })(TypeScript.Primitive || (TypeScript.Primitive = {}));
    var Primitive = TypeScript.Primitive;

    var MemberName = (function () {
        function MemberName() {
            this.prefix = "";
            this.suffix = "";
        }
        MemberName.prototype.isString = function () {
            return false;
        };
        MemberName.prototype.isArray = function () {
            return false;
        };
        MemberName.prototype.toString = function () {
            return MemberName.memberNameToString(this);
        };
        MemberName.memberNameToString = function memberNameToString(memberName) {
            var result = memberName.prefix;
            if(memberName.isString()) {
                result += (memberName).text;
            } else {
                var ar = memberName;
                for(var index = 0; index < ar.entries.length; index++) {
                    result += MemberName.memberNameToString(ar.entries[index]);
                    result += ar.delim;
                }
            }
            result += memberName.suffix;
            return result;
        }
        MemberName.create = function create(arg1, arg2, arg3) {
            if(typeof arg1 == "string") {
                return new MemberNameString(arg1);
            } else {
                var result = new MemberNameArray();
                if(arg2) {
                    result.prefix = arg2;
                }
                if(arg3) {
                    result.suffix = arg3;
                }
                result.entries.push(arg1);
                return result;
            }
        }
        return MemberName;
    })();
    TypeScript.MemberName = MemberName;    
    var MemberNameString = (function (_super) {
        __extends(MemberNameString, _super);
        function MemberNameString(text) {
                _super.call(this);
            this.text = text;
        }
        MemberNameString.prototype.isString = function () {
            return true;
        };
        return MemberNameString;
    })(MemberName);
    TypeScript.MemberNameString = MemberNameString;    
    var MemberNameArray = (function (_super) {
        __extends(MemberNameArray, _super);
        function MemberNameArray() {
            _super.apply(this, arguments);

            this.delim = "";
            this.entries = [];
        }
        MemberNameArray.prototype.isArray = function () {
            return true;
        };
        MemberNameArray.prototype.add = function (entry) {
            this.entries.push(entry);
        };
        MemberNameArray.prototype.addAll = function (entries) {
            for(var i = 0; i < entries.length; i++) {
                this.entries.push(entries[i]);
            }
        };
        return MemberNameArray;
    })(MemberName);
    TypeScript.MemberNameArray = MemberNameArray;    
    var currentTypeID = -1;
    var Type = (function () {
        function Type() {
            this.typeID = currentTypeID++;
            this.construct = null;
            this.call = null;
            this.index = null;
            this.passTypeCreated = TypeScript.CompilerDiagnostics.analysisPass;
            this.primitiveTypeClass = Primitive.None;
            this.typeFlags = TypeScript.TypeFlags.None;
        }
        Type.prototype.baseClass = function () {
            if(this.extendsList && (this.extendsList.length > 0)) {
                return this.extendsList[0];
            } else {
                return null;
            }
        };
        Type.prototype.getArrayBase = function (arrInstType, checker) {
            return this.arrayCache.specialize(arrInstType, checker);
        };
        Type.prototype.isClass = function () {
            return this.instanceType != null;
        };
        Type.prototype.isArray = function () {
            return this.elementType != null;
        };
        Type.prototype.isClassInstance = function () {
            return this.symbol && !this.elementType && (this.symbol).type.isClass();
        };
        Type.prototype.getInstanceType = function () {
            if(this.isClass()) {
                return this.instanceType;
            } else {
                return this;
            }
        };
        Type.prototype.hasImplementation = function () {
            return TypeScript.hasFlag(this.typeFlags, TypeScript.TypeFlags.HasImplementation);
        };
        Type.prototype.setHasImplementation = function () {
            this.typeFlags |= TypeScript.TypeFlags.HasImplementation;
        };
        Type.prototype.isDouble = function () {
            return TypeScript.hasFlag(this.primitiveTypeClass, Primitive.Double);
        };
        Type.prototype.isString = function () {
            return TypeScript.hasFlag(this.primitiveTypeClass, Primitive.String);
        };
        Type.prototype.isBoolean = function () {
            return TypeScript.hasFlag(this.primitiveTypeClass, Primitive.Boolean);
        };
        Type.prototype.isNull = function () {
            return TypeScript.hasFlag(this.primitiveTypeClass, Primitive.Null);
        };
        Type.prototype.getTypeName = function () {
            return this.getMemberTypeName("", true, false, null);
        };
        Type.prototype.getScopedTypeName = function (scope) {
            return this.getMemberTypeName("", true, false, scope);
        };
        Type.prototype.getScopedTypeNameEx = function (scope) {
            return this.getMemberTypeNameEx("", true, false, scope);
        };
        Type.prototype.callCount = function () {
            var total = 0;
            if(this.call) {
                total += this.call.signatures.length;
            }
            if(this.construct) {
                total += this.construct.signatures.length;
            }
            if(this.index) {
                total += this.index.signatures.length;
            }
            return total;
        };
        Type.prototype.getMemberTypeName = function (prefix, topLevel, isElementType, scope) {
            var memberName = this.getMemberTypeNameEx(prefix, topLevel, isElementType, scope);
            return memberName.toString();
        };
        Type.prototype.getMemberTypeNameEx = function (prefix, topLevel, isElementType, scope) {
            if(this.elementType) {
                return MemberName.create(this.elementType.getMemberTypeNameEx(prefix, false, true, scope), "", "[]");
            } else {
                if(this.symbol && this.symbol.name && this.symbol.name != "_anonymous" && (((this.call == null) && (this.construct == null) && (this.index == null)) || (TypeScript.hasFlag(this.typeFlags, TypeScript.TypeFlags.BuildingName)) || (this.members && (!this.isClass())))) {
                    var tn = this.symbol.scopeRelativeName(scope);
                    return MemberName.create(tn == "null" ? "any" : tn);
                } else {
                    if(this.members || this.call || this.construct) {
                        if(TypeScript.hasFlag(this.typeFlags, TypeScript.TypeFlags.BuildingName)) {
                            return MemberName.create("this");
                        }
                        this.typeFlags |= TypeScript.TypeFlags.BuildingName;
                        var builder = "";
                        var allMemberNames = new MemberNameArray();
                        var curlies = isElementType;
                        var signatureCount = 0;
                        var memCount = 0;
                        var delim = "; ";
                        if(this.members) {
                            this.members.allMembers.map(function (key, s, unused) {
                                var sym = s;
                                if(!TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.BuiltIn)) {
                                    var typeName = sym.getTypeName(scope);
                                    if(typeName.length >= delim.length && typeName.substring(typeName.length - delim.length) == delim) {
                                        typeName = typeName.substring(0, typeName.length - delim.length);
                                    }
                                    allMemberNames.add(MemberName.create(typeName));
                                    memCount++;
                                    if(sym.kind() == TypeScript.SymbolKind.Type) {
                                        var memberType = (sym).type;
                                        if(memberType.callCount() > 1) {
                                            curlies = true;
                                        }
                                    } else {
                                        curlies = true;
                                    }
                                }
                            }, null);
                        }
                        var signatures;
                        var j;
                        var len = 0;
                        var shortform = (memCount == 0) && (this.callCount() == 1) && topLevel;
                        if(!shortform) {
                            allMemberNames.delim = delim;
                        }
                        if(this.call) {
                            signatures = this.call.toStrings(prefix, shortform, scope);
                            for(j = 0 , len = signatures.length; j < len; j++) {
                                allMemberNames.add(MemberName.create(signatures[j]));
                                signatureCount++;
                            }
                        }
                        if(this.construct) {
                            signatures = this.construct.toStrings("new", shortform, scope);
                            for(j = 0 , len = signatures.length; j < len; j++) {
                                allMemberNames.add(MemberName.create(signatures[j]));
                                signatureCount++;
                            }
                        }
                        if(this.index) {
                            signatures = this.index.toStrings("", shortform, scope);
                            for(j = 0 , len = signatures.length; j < len; j++) {
                                allMemberNames.add(MemberName.create(signatures[j]));
                                signatureCount++;
                            }
                        }
                        if((curlies) || ((signatureCount > 1) && topLevel)) {
                            allMemberNames.prefix = "{ ";
                            allMemberNames.suffix = "}";
                        }
                        this.typeFlags &= (~TypeScript.TypeFlags.BuildingName);
                        if((signatureCount == 0) && (memCount == 0)) {
                            return MemberName.create("{}");
                        } else {
                            return allMemberNames;
                        }
                    } else {
                        return MemberName.create("{}");
                    }
                }
            }
        };
        Type.prototype.checkDecl = function (checker) {
            if(this.isClassInstance() || this.isClass()) {
                if(this.symbol.declAST) {
                    checker.typeFlow.inScopeTypeCheckDecl(this.symbol.declAST);
                }
            }
        };
        Type.prototype.getMemberScope = function (flow) {
            if(this == flow.anyType) {
                return null;
            } else {
                if(this.isDouble()) {
                    if(flow.numberInterfaceType) {
                        return flow.numberInterfaceType.memberScope;
                    } else {
                        return null;
                    }
                } else {
                    if(this.isBoolean()) {
                        if(flow.booleanInterfaceType) {
                            return flow.booleanInterfaceType.memberScope;
                        } else {
                            return null;
                        }
                    } else {
                        if(this == flow.stringType) {
                            if(flow.stringInterfaceType) {
                                return flow.stringInterfaceType.memberScope;
                            } else {
                                return null;
                            }
                        } else {
                            if(this.elementType) {
                                if(flow.arrayInterfaceType) {
                                    var arrInstType = this.elementType.getArrayBase(flow.arrayInterfaceType, flow.checker);
                                    return arrInstType.memberScope;
                                } else {
                                    return null;
                                }
                            } else {
                                return this.memberScope;
                            }
                        }
                    }
                }
            }
        };
        Type.prototype.isReferenceType = function () {
            return this.members || this.extendsList || this.construct || this.call || this.index || this.elementType;
        };
        Type.prototype.specializeType = function (pattern, replacement, checker, membersOnly) {
            if(pattern == this) {
                return replacement;
            }
            var result = this;
            if(membersOnly) {
                if(this.isReferenceType()) {
                    result = new Type();
                    if(this.members) {
                        result.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                        this.members.publicMembers.map(function (key, s, unused) {
                            var sym = s;
                            var bSym = sym.specializeType(pattern, replacement, checker);
                            result.members.addPublicMember(bSym.name, bSym);
                        }, null);
                        this.members.privateMembers.map(function (key, s, unused) {
                            var sym = s;
                            var bSym = sym.specializeType(pattern, replacement, checker);
                            result.members.addPrivateMember(bSym.name, bSym);
                        }, null);
                    }
                    if(this.ambientMembers) {
                        result.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                        this.ambientMembers.publicMembers.map(function (key, s, unused) {
                            var sym = s;
                            var bSym = sym.specializeType(pattern, replacement, checker);
                            result.ambientMembers.addPublicMember(bSym.name, bSym);
                        }, null);
                        this.ambientMembers.privateMembers.map(function (key, s, unused) {
                            var sym = s;
                            var bSym = sym.specializeType(pattern, replacement, checker);
                            result.ambientMembers.addPrivateMember(bSym.name, bSym);
                        }, null);
                    }
                    result.containedScope = checker.scopeOf(result);
                    result.memberScope = result.containedScope;
                }
            } else {
                if(this.elementType) {
                    if(this.elementType == pattern) {
                        result = checker.makeArrayType(replacement);
                    } else {
                        if(this.elementType.elementType == pattern) {
                            result = checker.makeArrayType(checker.makeArrayType(replacement));
                        }
                    }
                } else {
                    if(this.call) {
                        result = new Type();
                        result.call = this.call.specializeType(pattern, replacement, checker);
                    }
                }
            }
            return result;
        };
        Type.prototype.hasBase = function (baseType) {
            if(baseType == this) {
                return true;
            } else {
                if(this.extendsList) {
                    for(var i = 0, len = this.extendsList.length; i < len; i++) {
                        if(this.extendsList[i].hasBase(baseType)) {
                            return true;
                        }
                    }
                }
            }
            return false;
        };
        Type.prototype.mergeOrdered = function (b, checker, comparisonInfo) {
            if((this == checker.anyType) || (b == checker.anyType)) {
                return checker.anyType;
            } else {
                if(this == b) {
                    return this;
                } else {
                    if((b == checker.nullType) && this != checker.nullType) {
                        return this;
                    } else {
                        if((this == checker.nullType) && (b != checker.nullType)) {
                            return b;
                        } else {
                            if((b == checker.voidType) && this != checker.voidType) {
                                return this;
                            } else {
                                if((this == checker.voidType) && (b != checker.voidType)) {
                                    return b;
                                } else {
                                    if((b == checker.undefinedType) && this != checker.undefinedType) {
                                        return this;
                                    } else {
                                        if((this == checker.undefinedType) && (b != checker.undefinedType)) {
                                            return b;
                                        } else {
                                            if(this.elementType && b.elementType) {
                                                if(this.elementType == b.elementType) {
                                                    return this;
                                                } else {
                                                    var mergedET = this.elementType.mergeOrdered(b.elementType, checker, comparisonInfo);
                                                    if(mergedET == null) {
                                                        return checker.makeArrayType(checker.anyType);
                                                    } else {
                                                        return checker.makeArrayType(mergedET);
                                                    }
                                                }
                                            } else {
                                                if(checker.sourceIsSubtypeOfTarget(this, b, comparisonInfo)) {
                                                    return b;
                                                } else {
                                                    if(checker.sourceIsSubtypeOfTarget(b, this, comparisonInfo)) {
                                                        return this;
                                                    } else {
                                                        return null;
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        };
        Type.prototype.isModuleType = function () {
            return false;
        };
        Type.prototype.hasMembers = function () {
            return this.members != null;
        };
        Type.prototype.getAllEnclosedTypes = function () {
            return null;
        };
        Type.prototype.getAllAmbientEnclosedTypes = function () {
            return null;
        };
        Type.prototype.getPublicEnclosedTypes = function () {
            return null;
        };
        Type.prototype.getpublicAmbientEnclosedTypes = function () {
            return null;
        };
        return Type;
    })();
    TypeScript.Type = Type;    
    var ModuleType = (function (_super) {
        __extends(ModuleType, _super);
        function ModuleType(enclosedTypes, ambientEnclosedTypes) {
                _super.call(this);
            this.enclosedTypes = enclosedTypes;
            this.ambientEnclosedTypes = ambientEnclosedTypes;
            this.importedModules = [];
        }
        ModuleType.prototype.isModuleType = function () {
            return true;
        };
        ModuleType.prototype.hasMembers = function () {
            return this.members != null || this.enclosedTypes != null;
        };
        ModuleType.prototype.getAllEnclosedTypes = function () {
            return this.enclosedTypes;
        };
        ModuleType.prototype.getAllAmbientEnclosedTypes = function () {
            return this.ambientEnclosedTypes;
        };
        ModuleType.prototype.getPublicEnclosedTypes = function () {
            return null;
        };
        ModuleType.prototype.getpublicAmbientEnclosedTypes = function () {
            return null;
        };
        return ModuleType;
    })(Type);
    TypeScript.ModuleType = ModuleType;    
    var TypeLink = (function () {
        function TypeLink() {
            this.type = null;
            this.ast = null;
        }
        return TypeLink;
    })();
    TypeScript.TypeLink = TypeLink;    
    function getTypeLink(ast, checker, autoVar) {
        var result = new TypeLink();
        result.ast = ast;
        if((ast == null) && (autoVar)) {
            result.type = checker.anyType;
        } else {
            result.type = null;
        }
        return result;
    }
    TypeScript.getTypeLink = getTypeLink;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    function stripQuotes(str) {
        return str.replace("\"", "").replace("'", "").replace("'", "").replace("\"", "");
    }
    TypeScript.stripQuotes = stripQuotes;
    function isQuoted(str) {
        return str.indexOf("\"") != -1 || str.indexOf("'") != -1 || str.indexOf("'") != -1 || str.indexOf("\"") != -1;
    }
    TypeScript.isQuoted = isQuoted;
    function quoteStr(str) {
        return "\"" + str + "\"";
    }
    TypeScript.quoteStr = quoteStr;
    function swapQuotes(str) {
        if(str.indexOf("\"") != -1) {
            str = str.replace("\"", "'");
            str = str.replace("\"", "'");
        } else {
            str = str.replace("'", "\"");
            str = str.replace("'", "\"");
        }
        return str;
    }
    TypeScript.swapQuotes = swapQuotes;
    function switchToForwardSlashes(path) {
        return path.replace(/\\/g, "/");
    }
    TypeScript.switchToForwardSlashes = switchToForwardSlashes;
    function trimModName(modName) {
        if(modName.length > 6 && modName.substring(modName.length - 6, modName.length) == ".d.str") {
            return modName.substring(0, modName.length - 6);
        }
        if(modName.length > 4 && modName.substring(modName.length - 4, modName.length) == ".str") {
            return modName.substring(0, modName.length - 4);
        }
        if(modName.length > 5 && modName.substring(modName.length - 5, modName.length) == ".d.ts") {
            return modName.substring(0, modName.length - 5);
        }
        if(modName.length > 3 && modName.substring(modName.length - 3, modName.length) == ".ts") {
            return modName.substring(0, modName.length - 3);
        }
        if(modName.length > 3 && modName.substring(modName.length - 3, modName.length) == ".js") {
            return modName.substring(0, modName.length - 3);
        }
        return modName;
    }
    TypeScript.trimModName = trimModName;
    function isSTRFile(fname) {
        return fname.length > 4 && fname.substring(fname.length - 4, fname.length) == ".str";
    }
    TypeScript.isSTRFile = isSTRFile;
    function isTSFile(fname) {
        return fname.length > 3 && fname.substring(fname.length - 3, fname.length) == ".ts";
    }
    TypeScript.isTSFile = isTSFile;
    function isDSTRFile(fname) {
        return fname.length > 6 && fname.substring(fname.length - 6, fname.length) == ".d.str";
    }
    TypeScript.isDSTRFile = isDSTRFile;
    function isDTSFile(fname) {
        return fname.length > 5 && fname.substring(fname.length - 5, fname.length) == ".d.ts";
    }
    TypeScript.isDTSFile = isDTSFile;
    function getPrettyName(modPath, quote, treatAsFileName) {
        if (typeof quote === "undefined") { quote = true; }
        if (typeof treatAsFileName === "undefined") { treatAsFileName = false; }
        var modName = treatAsFileName ? switchToForwardSlashes(modPath) : trimModName(stripQuotes(modPath));
        var components = modName.split("/");
        return components.length ? (quote ? quoteStr(components[components.length - 1]) : components[components.length - 1]) : modPath;
    }
    TypeScript.getPrettyName = getPrettyName;
    function quoteBaseName(modPath) {
        var modName = trimModName(stripQuotes(modPath));
        var path = getRootFilePath(modName);
        if(path == "") {
            return modPath;
        } else {
            var components = modName.split(path);
            var fileIndex = components.length > 1 ? 1 : 0;
            return quoteStr(components[fileIndex]);
        }
    }
    TypeScript.quoteBaseName = quoteBaseName;
    function changePathToSTR(modPath) {
        return trimModName(stripQuotes(modPath)) + ".str";
    }
    TypeScript.changePathToSTR = changePathToSTR;
    function changePathToDSTR(modPath) {
        return trimModName(stripQuotes(modPath)) + ".d.str";
    }
    TypeScript.changePathToDSTR = changePathToDSTR;
    function changePathToTS(modPath) {
        return trimModName(stripQuotes(modPath)) + ".ts";
    }
    TypeScript.changePathToTS = changePathToTS;
    function changePathToDTS(modPath) {
        return trimModName(stripQuotes(modPath)) + ".d.ts";
    }
    TypeScript.changePathToDTS = changePathToDTS;
    function isRelative(path) {
        return path.charAt(0) == ".";
    }
    TypeScript.isRelative = isRelative;
    function isRooted(path) {
        return path.charAt(0) == "\\" || path.charAt(0) == "/" || (path.indexOf(":\\") != -1) || (path.indexOf(":/") != -1);
    }
    TypeScript.isRooted = isRooted;
    function getRootFilePath(outFname) {
        if(outFname == "") {
            return outFname;
        } else {
            var isPath = outFname.indexOf("/") != -1;
            return isPath ? filePath(outFname) : "";
        }
    }
    TypeScript.getRootFilePath = getRootFilePath;
    function filePath(fullPath) {
        fullPath = switchToForwardSlashes(fullPath);
        var components = fullPath.split("/");
        var path = components.slice(0, components.length - 1);
        return path.join("/") + "/";
    }
    TypeScript.filePath = filePath;
    function normalizeURL(url) {
        var hostDomainAndPortRegex = /^(https?:\/\/[\-\w\.]+(:\d+)?\/)(.*)$/i;
        var matches = hostDomainAndPortRegex.exec(url);
        if(matches) {
            var hostDomainAndPort = matches[1];
            var actualPath = matches[3];
            return hostDomainAndPort + normalizePath(actualPath);
        }
        return normalizePath(url);
    }
    TypeScript.normalizeURL = normalizeURL;
    TypeScript.pathNormalizeRegExp = /\//g;
    function normalizePath(path) {
        path = switchToForwardSlashes(path);
        var startedWithSep = path.charAt(0) === "/";
        var parts = path.split("/");
        for(var i = 0; i < parts.length; i++) {
            if(parts[i] === "." || parts[i] === "") {
                parts.splice(i, 1);
                i--;
            }
            if(i > 0 && parts[i] === ".." && parts[i - 1] !== "..") {
                parts.splice(i - 1, 2);
                i -= 2;
            }
        }
        return (startedWithSep ? "/" : "") + parts.join("/");
    }
    TypeScript.normalizePath = normalizePath;
    function normalizeImportPath(path) {
        return normalizePath(path);
    }
    TypeScript.normalizeImportPath = normalizeImportPath;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var SourceUnit = (function () {
        function SourceUnit(path, content) {
            this.path = path;
            this.content = content;
        }
        SourceUnit.prototype.getText = function (start, end) {
            return this.content.substring(start, end);
        };
        SourceUnit.prototype.getLength = function () {
            return this.content.length;
        };
        return SourceUnit;
    })();
    TypeScript.SourceUnit = SourceUnit;    
    var CompilationEnvironment = (function () {
        function CompilationEnvironment(compilationSettings, ioHost) {
            this.compilationSettings = compilationSettings;
            this.ioHost = ioHost;
            this.residentCode = [];
            this.code = [];
        }
        return CompilationEnvironment;
    })();
    TypeScript.CompilationEnvironment = CompilationEnvironment;    
    var CodeResolver = (function () {
        function CodeResolver(environment) {
            this.environment = environment;
            this.visited = {
            };
        }
        CodeResolver.prototype.resolveCode = function (referencePath, parentPath, performSearch, resolutionDispatcher) {
            var resolvedFile = {
                content: "",
                path: referencePath
            };
            var ioHost = this.environment.ioHost;
            var isRelativePath = TypeScript.isRelative(referencePath);
            var isRootedPath = isRelativePath ? false : TypeScript.isRooted(referencePath);
            var normalizedPath = isRelativePath ? ioHost.resolvePath(parentPath + "/" + referencePath) : (isRootedPath || !parentPath || performSearch ? referencePath : parentPath + "/" + referencePath);
            if(!TypeScript.isSTRFile(normalizedPath) && !TypeScript.isTSFile(normalizedPath)) {
                normalizedPath += ".ts";
            }
            normalizedPath = TypeScript.switchToForwardSlashes(TypeScript.stripQuotes(normalizedPath));
            var absoluteModuleID = this.environment.compilationSettings.useCaseSensitiveFileResolution ? normalizedPath : normalizedPath.toLocaleUpperCase();
            if(!this.visited[absoluteModuleID]) {
                if(isRelativePath || isRootedPath || !performSearch) {
                    try  {
                        TypeScript.CompilerDiagnostics.debugPrint("   Reading code from " + normalizedPath);
                        try  {
                            resolvedFile.content = ioHost.readFile(normalizedPath);
                        } catch (err) {
                            try  {
                                if(TypeScript.isSTRFile(normalizedPath)) {
                                    normalizedPath = TypeScript.changePathToTS(normalizedPath);
                                } else {
                                    if(TypeScript.isTSFile(normalizedPath)) {
                                        normalizedPath = TypeScript.changePathToSTR(normalizedPath);
                                    }
                                }
                                TypeScript.CompilerDiagnostics.debugPrint("   Reading code from " + normalizedPath);
                                resolvedFile.content = ioHost.readFile(normalizedPath);
                            } catch (err) {
                                normalizedPath = TypeScript.changePathToDSTR(normalizedPath);
                                TypeScript.CompilerDiagnostics.debugPrint("   Reading code from " + normalizedPath);
                                try  {
                                    resolvedFile.content = ioHost.readFile(normalizedPath);
                                } catch (err) {
                                    normalizedPath = TypeScript.changePathToDTS(normalizedPath);
                                    TypeScript.CompilerDiagnostics.debugPrint("   Reading code from " + normalizedPath);
                                    resolvedFile.content = ioHost.readFile(normalizedPath);
                                }
                            }
                        }
                        TypeScript.CompilerDiagnostics.debugPrint("   Found code at " + normalizedPath);
                        resolvedFile.path = normalizedPath;
                        this.visited[absoluteModuleID] = true;
                    } catch (err) {
                        TypeScript.CompilerDiagnostics.debugPrint("   Did not find code for " + referencePath);
                    }
                } else {
                    resolvedFile = ioHost.findFile(parentPath, normalizedPath);
                    if(!resolvedFile) {
                        if(TypeScript.isSTRFile(normalizedPath)) {
                            normalizedPath = TypeScript.changePathToTS(normalizedPath);
                        } else {
                            if(TypeScript.isTSFile(normalizedPath)) {
                                normalizedPath = TypeScript.changePathToSTR(normalizedPath);
                            }
                        }
                        resolvedFile = ioHost.findFile(parentPath, normalizedPath);
                    }
                    if(!resolvedFile) {
                        normalizedPath = TypeScript.changePathToDTS(normalizedPath);
                        resolvedFile = ioHost.findFile(parentPath, normalizedPath);
                        if(!resolvedFile) {
                            normalizedPath = TypeScript.changePathToDSTR(normalizedPath);
                            resolvedFile = ioHost.findFile(parentPath, normalizedPath);
                        }
                    }
                    if(resolvedFile) {
                        resolvedFile.path = TypeScript.switchToForwardSlashes(TypeScript.stripQuotes(resolvedFile.path));
                        TypeScript.CompilerDiagnostics.debugPrint(referencePath + " resolved to: " + resolvedFile.path);
                        resolvedFile.content = resolvedFile.content;
                        this.visited[absoluteModuleID] = true;
                    } else {
                        TypeScript.CompilerDiagnostics.debugPrint("Could not find " + referencePath);
                    }
                }
                if(resolvedFile && resolvedFile.content) {
                    var rootDir = ioHost.dirName(resolvedFile.path);
                    var sourceUnit = new SourceUnit(resolvedFile.path, resolvedFile.content);
                    var preProcessedFileInfo = TypeScript.preProcessFile(sourceUnit, this.environment.compilationSettings);
                    for(var i = 0; i < preProcessedFileInfo.referencedFiles.length; i++) {
                        var referencedFile = preProcessedFileInfo.referencedFiles[i];
                        var normalizedPath = TypeScript.isRooted(referencedFile.path) ? referencedFile.path : rootDir + "/" + referencedFile.path;
                        normalizedPath = ioHost.resolvePath(normalizedPath);
                        if(referencePath == normalizedPath) {
                            resolutionDispatcher.postResolutionError(normalizedPath, "File contains reference to itself", null);
                            continue;
                        }
                        this.resolveCode(referencedFile.path, rootDir, false, resolutionDispatcher);
                    }
                    for(var i = 0; i < preProcessedFileInfo.importedFiles.length; i++) {
                        this.resolveCode(preProcessedFileInfo.importedFiles[i].path, rootDir, true, resolutionDispatcher);
                    }
                    resolutionDispatcher.postResolution(sourceUnit.path, sourceUnit);
                }
            }
        };
        return CodeResolver;
    })();
    TypeScript.CodeResolver = CodeResolver;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var StyleSettings = (function () {
        function StyleSettings() {
            this.bitwise = false;
            this.blockInCompoundStmt = false;
            this.eqeqeq = false;
            this.forin = false;
            this.emptyBlocks = true;
            this.newMustBeUsed = false;
            this.requireSemi = false;
            this.assignmentInCond = false;
            this.eqnull = false;
            this.evalOK = true;
            this.innerScopeDeclEscape = true;
            this.funcInLoop = true;
            this.reDeclareLocal = true;
            this.literalSubscript = true;
            this.implicitAny = false;
        }
        StyleSettings.prototype.setOption = function (opt, val) {
            var optExists = this[opt];
            if(optExists !== undefined) {
                this[opt] = val;
                return true;
            } else {
                return false;
            }
        };
        StyleSettings.prototype.parseOptions = function (str) {
            var opts = str.split(";");
            for(var i = 0, len = opts.length; i < len; i++) {
                var opt = opts[i];
                var val = true;
                var colonIndex = opt.lastIndexOf(":");
                if(colonIndex >= 0) {
                    var valStr = opt.substring(colonIndex + 1);
                    opt = opt.substring(0, colonIndex);
                    if(valStr == "off") {
                        val = false;
                    }
                }
                if(!this.setOption(opt, val)) {
                    return false;
                }
            }
            return true;
        };
        return StyleSettings;
    })();
    TypeScript.StyleSettings = StyleSettings;    
    var CompilationSettings = (function () {
        function CompilationSettings() {
            this.styleSettings = new StyleSettings();
            this.propagateConstants = false;
            this.minWhitespace = false;
            this.parseOnly = false;
            this.outputMany = true;
            this.errorRecovery = false;
            this.emitComments = false;
            this.watch = false;
            this.exec = false;
            this.resolve = true;
            this.controlFlow = false;
            this.printControlFlow = false;
            this.controlFlowUseDef = false;
            this.errorOnWith = true;
            this.preprocess = true;
            this.canCallDefinitionSignature = false;
            this.inferPropertiesFromThisAssignment = false;
            this.useDefaultLib = true;
            this.codeGenTarget = TypeScript.CodeGenTarget.ES3;
            this.moduleGenTarget = TypeScript.ModuleGenTarget.Synchronous;
            this.outputFileName = "";
            this.errorFileName = "";
            this.mapSourceFiles = false;
            this.generateDeclarationFiles = false;
            this.useCaseSensitiveFileResolution = false;
        }
        CompilationSettings.prototype.setStyleOptions = function (str) {
            this.styleSettings.parseOptions(str);
        };
        CompilationSettings.prototype.outputOne = function (outFile) {
            this.outputFileName = outFile;
            this.outputMany = false;
        };
        return CompilationSettings;
    })();
    TypeScript.CompilationSettings = CompilationSettings;    
    function getFileReferenceFromReferencePath(comment) {
        var referencesRegEx = /^(\/\/\/\s*<reference\s+path=)('|")(.+?)\2\s*(static=('|")(.+?)\2\s*)*\/>/igm;
        var match = referencesRegEx.exec(comment);
        if(match) {
            var path = TypeScript.normalizePath(match[3]);
            var adjustedPath = TypeScript.normalizePath(path);
            var isResident = match.length >= 7 && match[6] == "true";
            if(isResident) {
                TypeScript.CompilerDiagnostics.debugPrint(path + " is resident");
            }
            return {
                minChar: 0,
                limChar: 0,
                path: TypeScript.switchToForwardSlashes(adjustedPath),
                isResident: isResident
            };
        } else {
            return null;
        }
    }
    function getAdditionalDependencyPath(comment) {
        var referencesRegEx = /^(\/\/\/\s*<amd-dependency\s+path=)('|")(.+?)\2\s*(static=('|")(.+?)\2\s*)*\/>/igm;
        var match = referencesRegEx.exec(comment);
        if(match) {
            var path = match[3];
            return path;
        } else {
            return null;
        }
    }
    TypeScript.getAdditionalDependencyPath = getAdditionalDependencyPath;
    function getStyleSettings(comment, styleSettings) {
        var styleRegEx = /^(\/\/\/\s*<style\s+)(([a-zA-Z])+=('|").+('|"))\s*\/>/igm;
        var settings = styleRegEx.exec(comment);
        if(settings) {
            var settingsRegEx = /^([a-zA-Z]+=['"]on['|"])/igm;
            settings = settingsRegEx.exec(settings[2]);
            if(settings) {
                for(var i = 0; i < settings.length; i++) {
                    var setting = (settings[i]).split("=");
                    var on = "\"on\"";
                    switch(setting[0]) {
                        case "blockInCompoundStmt": {
                            styleSettings.blockInCompoundStmt = setting[1] == on;
                            break;

                        }
                        case "eqeqeq": {
                            styleSettings.eqeqeq = setting[1] == on;
                            break;

                        }
                        case "forin": {
                            styleSettings.forin = setting[1] == on;
                            break;

                        }
                        case "emptyBlocks": {
                            styleSettings.emptyBlocks = setting[1] == on;
                            break;

                        }
                        case "newMustBeUsed": {
                            styleSettings.newMustBeUsed = setting[1] == on;
                            break;

                        }
                        case "requireSemi": {
                            styleSettings.requireSemi = setting[1] == on;
                            break;

                        }
                        case "assignmentInCond": {
                            styleSettings.assignmentInCond = setting[1] == on;
                            break;

                        }
                        case "eqnull": {
                            styleSettings.eqnull = setting[1] == on;
                            break;

                        }
                        case "evalOK": {
                            styleSettings.evalOK = setting[1] == on;
                            break;

                        }
                        case "innerScopeDeclEscape": {
                            styleSettings.innerScopeDeclEscape = setting[1] == on;
                            break;

                        }
                        case "funcInLoop": {
                            styleSettings.funcInLoop = setting[1] == on;
                            break;

                        }
                        case "reDeclareLocal": {
                            styleSettings.reDeclareLocal = setting[1] == on;
                            break;

                        }
                        case "literalSubscript": {
                            styleSettings.literalSubscript = setting[1] == on;
                            break;

                        }
                        case "implicitAny": {
                            styleSettings.implicitAny = setting[1] == on;
                            break;

                        }
                    }
                }
            }
        }
    }
    TypeScript.getStyleSettings = getStyleSettings;
    function preProcessFile(sourceText, options) {
        if (typeof options === "undefined") { options = new CompilationSettings(); }
        var scanner = new TypeScript.Scanner();
        scanner.resetComments();
        scanner.setSourceText(sourceText, TypeScript.LexMode.File);
        var tok = scanner.scan();
        var comments = [];
        var comment = null;
        var leftCurlies = [];
        var settings = options;
        var referencedFiles = [];
        var importedFiles = [];
        var isLibFile = false;
        while(tok.tokenId != TypeScript.TokenID.EOF) {
            if(tok.tokenId == TypeScript.TokenID.IMPORT) {
                tok = scanner.scan();
                if(tok.tokenId == TypeScript.TokenID.ID || TypeScript.convertTokToID(tok, false)) {
                    tok = scanner.scan();
                    if(tok.tokenId == TypeScript.TokenID.Asg) {
                        tok = scanner.scan();
                        if(tok.tokenId == TypeScript.TokenID.MODULE) {
                            tok = scanner.scan();
                            if(tok.tokenId == TypeScript.TokenID.LParen) {
                                tok = scanner.scan();
                                if(tok.tokenId == TypeScript.TokenID.QString) {
                                    var ref = {
                                        minChar: scanner.startPos,
                                        limChar: scanner.pos,
                                        path: TypeScript.stripQuotes(TypeScript.switchToForwardSlashes(tok.getText())),
                                        isResident: false
                                    };
                                    importedFiles.push(ref);
                                }
                            }
                        }
                    }
                }
            }
            if(tok.tokenId == TypeScript.TokenID.LCurly) {
                leftCurlies.push(tok);
            }
            if(tok.tokenId == TypeScript.TokenID.RCurly) {
                leftCurlies.pop();
            }
            tok = scanner.scan();
        }
        comments = scanner.getComments();
        for(var iComment = 0; iComment < comments.length; iComment++) {
            comment = comments[iComment];
            if(!comment.isBlock) {
                var referencedCode = getFileReferenceFromReferencePath(comment.getText());
                if(referencedCode) {
                    referencedCode.minChar = comment.startPos;
                    referencedCode.limChar = referencedCode.minChar + comment.value.length;
                    referencedFiles.push(referencedCode);
                }
                getStyleSettings(comment.getText(), settings.styleSettings);
                var isNoLibRegex = /^(\/\/\/\s*<reference\s+no-default-lib=)('|")(.+?)\2\s*\/>/igm;
                var isNoLibMatch = isNoLibRegex.exec(comment.getText());
                if(isNoLibMatch) {
                    isLibFile = (isNoLibMatch[3] == "true");
                }
            }
        }
        return {
            settings: settings,
            referencedFiles: referencedFiles,
            importedFiles: importedFiles,
            isLibFile: isLibFile
        };
    }
    TypeScript.preProcessFile = preProcessFile;
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    var IncrementalParser = (function () {
        function IncrementalParser(logger) {
            this.logger = logger;
            this.astLogger = new TypeScript.AstLogger(this.logger);
        }
        IncrementalParser.prototype.getEnclosingScopeContextIfSingleScopeEdit = function (previousScript, scriptId, newSourceText, editRange) {
            this.logger.log("checkEditsInsideSingleScope(\"" + scriptId + "\")");
            if(editRange === null) {
                throw new Error("editRange should be valid");
            }
            if(editRange.isUnknown()) {
                this.logger.log("  Bailing out because edit range is unknown");
                return null;
            }
            var scope1 = TypeScript.findEnclosingScopeAt(this.logger, previousScript, newSourceText, editRange.minChar, false);
            var scope2 = TypeScript.findEnclosingScopeAt(this.logger, previousScript, newSourceText, editRange.limChar, false);
            if(scope1 == null || scope2 == null) {
                this.logger.log("  Bailing out because containing scopes cannot be determined");
                return null;
            }
            if(scope1.scopeStartAST !== scope2.scopeStartAST) {
                this.logger.log("  Bailing out because edit overlaps 2 disctint scopes");
                return null;
            }
            var newScopeLength = scope1.scopeStartAST.limChar - scope1.scopeStartAST.minChar + editRange.delta;
            if(newScopeLength <= 0) {
                this.logger.log("  Bailing out because scope has been entirely removed from new source text");
                return null;
            }
            return scope1;
        };
        IncrementalParser.prototype.attemptIncrementalUpdateUnit = function (previousScript, scriptId, newSourceText, editRange) {
            this.logger.log("attemptIncrementalUpdateUnit(\"" + scriptId + "\")");
            if(editRange === null) {
                throw new Error("editRange should be valid");
            }
            var scope1 = this.getEnclosingScopeContextIfSingleScopeEdit(previousScript, scriptId, newSourceText, editRange);
            if(scope1 === null) {
                return null;
            }
            var newScopeLength = scope1.scopeStartAST.limChar - scope1.scopeStartAST.minChar + editRange.delta;
            if(newScopeLength >= newSourceText.getLength() / 2) {
                this.logger.log("  Bailing out because range of scope to reparse (" + newScopeLength + " characters) is greater than half the size of the source text");
                return null;
            }
            var parseErrors = [];
            var errorCapture = function (minChar, charLen, message, unitIndex) {
                parseErrors.push(new TypeScript.ErrorEntry(unitIndex, minChar, minChar + charLen, message));
            };
            var quickParseResult = TypeScript.quickParse(this.logger, scope1.scopeStartAST, newSourceText, scope1.scopeStartAST.minChar, scope1.scopeStartAST.minChar + newScopeLength, errorCapture);
            if(quickParseResult.endLexState != TypeScript.LexState.Start) {
                this.logger.log("  Bailing out because scope contains unterminated comment");
                return null;
            }
            var scriptFragment = quickParseResult.Script;
            if(scriptFragment.vars.members.length !== 0) {
                this.logger.log("  Bailing out because new source text defines variables");
                return null;
            }
            if(scriptFragment.bod.members.length !== 1) {
                this.logger.log("  Bailing out because new source text defines more than one scope (or none)");
                return null;
            }
            var oldScope = scope1.scopeStartAST;
            var newScope = scriptFragment.bod.members[0];
            if(oldScope.nodeType != newScope.nodeType) {
                this.logger.log("  Bailing out because new source text does not define the same scope type as the existing scope");
                return null;
            }
            if(!(oldScope).leftCurlyCount || !(oldScope).rightCurlyCount) {
                this.logger.log("  Bailing out because sopce doesn't have left/right curly count");
                return null;
            }
            if((oldScope).leftCurlyCount !== (newScope).leftCurlyCount) {
                this.logger.log("  Bailing out because new source text contains more (or fewer) left curly braces");
                return null;
            }
            if((oldScope).rightCurlyCount !== (newScope).rightCurlyCount) {
                this.logger.log("  Bailing out because new source text contains more (or fewer) right curly braces");
                return null;
            }
            if(newScope.minChar !== 0) {
                this.logger.log("  Bailing out because new function declaration does not start at position 0");
                return null;
            }
            if(newScope.limChar !== newScopeLength) {
                this.logger.log("  Bailing out because new function declaration does not end at the new end position");
                return null;
            }
            return TypeScript.UpdateUnitResult.singleScopeEdits(previousScript, scriptFragment, oldScope, newScope, editRange, parseErrors);
        };
        IncrementalParser.prototype.mergeTrees = function (updateResult) {
            var _this = this;
            TypeScript.timeFunction(this.logger, "mergeTrees()", function () {
                var editRange = new TypeScript.ScriptEditRange(updateResult.scope1.minChar, updateResult.scope1.limChar, updateResult.editRange.delta);
                _this.applyDeltaPosition(updateResult.script1, editRange.limChar, editRange.delta);
                _this.applyDeltaPosition(updateResult.script2, 0, editRange.minChar);
                _this.mergeLocationInfo(updateResult.script1, updateResult.script2, editRange);
                _this.replaceAST(updateResult.script1, updateResult.scope1, updateResult.scope2);
            });
        };
        IncrementalParser.prototype.replaceAST = function (script, oldAst, newAst) {
            var _this = this;
            var pre = function (cur, parent, walker) {
                if(cur === oldAst) {
                    newAst.preComments = cur.preComments;
                    newAst.postComments = cur.postComments;
                    _this.logger.log("replaced old AST node with new one in script AST");
                    walker.options.stopWalk();
                    return newAst;
                }
                if(TypeScript.isValidAstNode(cur)) {
                    if(cur.limChar < oldAst.minChar || cur.minChar > oldAst.limChar) {
                        walker.options.goChildren = false;
                    }
                }
                return cur;
            };
            TypeScript.getAstWalkerFactory().walk(script, pre);
        };
        IncrementalParser.prototype.mergeLocationInfo = function (script, partial, editRange) {
            var lineMap1 = script.locationInfo.lineMap;
            var lineMap2 = partial.locationInfo.lineMap;
            if(this.logger.information()) {
                this.logger.log("lineMap1 (before):");
                this.astLogger.logLinemap(lineMap1);
                this.logger.log("lineMap2 (quick parse):");
                this.astLogger.logLinemap(lineMap2);
                this.logger.log("EditRange=" + editRange);
            }
            var i1 = 2;
            var i2 = 2;
            var len1 = lineMap1.length;
            var len2 = lineMap2.length;
            while(i1 < len1 || i2 < len2) {
                if(i1 < len1) {
                    if(lineMap1[i1] <= editRange.minChar) {
                        i1++;
                    } else {
                        if(lineMap1[i1] >= editRange.limChar) {
                            lineMap1[i1] += editRange.delta;
                            i1++;
                        } else {
                            if(i2 < len2) {
                                lineMap1.splice(i1, 0, lineMap2[i2] + editRange.minChar);
                                i1++;
                                len1++;
                                i2++;
                            } else {
                                lineMap1.splice(i1, 1);
                                len1--;
                            }
                        }
                    }
                } else {
                    lineMap1.push(lineMap2[i2] + editRange.minChar);
                    i2++;
                }
            }
            if(this.logger.information()) {
                this.logger.log("lineMap1 (after merge):");
                this.astLogger.logLinemap(lineMap1);
            }
        };
        IncrementalParser.prototype.applyDeltaPosition = function (ast, start, delta) {
            var applyDelta = function (ast) {
                if(ast.minChar !== -1 && ast.minChar >= start) {
                    ast.minChar += delta;
                }
                if(ast.limChar !== -1 && ast.limChar >= start) {
                    ast.limChar += delta;
                }
            };
            var applyDeltaToComments = function (comments) {
                if(comments && comments.length > 0) {
                    for(var i = 0; i < comments.length; i++) {
                        applyDelta(comments[i]);
                    }
                }
            };
            var pre = function (cur, parent, walker) {
                if(cur.limChar !== -1 && cur.limChar < start) {
                    walker.options.goChildren = false;
                }
                applyDelta(cur);
                applyDeltaToComments(cur.preComments);
                applyDeltaToComments(cur.postComments);
                return cur;
            };
            TypeScript.getAstWalkerFactory().walk(ast, pre);
        };
        return IncrementalParser;
    })();
    TypeScript.IncrementalParser = IncrementalParser;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    (function (UpdateUnitKind) {
        UpdateUnitKind._map = [];
        UpdateUnitKind._map[0] = "Unknown";
        UpdateUnitKind.Unknown = 0;
        UpdateUnitKind._map[1] = "NoEdits";
        UpdateUnitKind.NoEdits = 1;
        UpdateUnitKind._map[2] = "EditsInsideSingleScope";
        UpdateUnitKind.EditsInsideSingleScope = 2;
    })(TypeScript.UpdateUnitKind || (TypeScript.UpdateUnitKind = {}));
    var UpdateUnitKind = TypeScript.UpdateUnitKind;

    var ScriptEditRange = (function () {
        function ScriptEditRange(minChar, limChar, delta) {
            this.minChar = minChar;
            this.limChar = limChar;
            this.delta = delta;
        }
        ScriptEditRange.unknown = function unknown() {
            return new ScriptEditRange(-1, -1, -1);
        }
        ScriptEditRange.prototype.isUnknown = function () {
            return this.minChar === -1 && this.limChar === -1 && this.delta === -1;
        };
        ScriptEditRange.prototype.containsPosition = function (pos) {
            return (this.minChar <= pos && pos < this.limChar) || (this.minChar <= pos && pos < this.limChar + this.delta);
        };
        ScriptEditRange.prototype.toString = function () {
            return "editRange(minChar=" + this.minChar + ", limChar=" + this.limChar + ", delta=" + this.delta + ")";
        };
        return ScriptEditRange;
    })();
    TypeScript.ScriptEditRange = ScriptEditRange;    
    var UpdateUnitResult = (function () {
        function UpdateUnitResult(kind, unitIndex, script1, script2) {
            this.kind = kind;
            this.unitIndex = unitIndex;
            this.script1 = script1;
            this.script2 = script2;
            this.scope1 = null;
            this.scope2 = null;
            this.editRange = null;
            this.parseErrors = [];
        }
        UpdateUnitResult.noEdits = function noEdits(unitIndex) {
            return new UpdateUnitResult(UpdateUnitKind.NoEdits, unitIndex, null, null);
        }
        UpdateUnitResult.unknownEdits = function unknownEdits(script1, script2, parseErrors) {
            var result = new UpdateUnitResult(UpdateUnitKind.Unknown, script1.locationInfo.unitIndex, script1, script2);
            result.parseErrors = parseErrors;
            return result;
        }
        UpdateUnitResult.singleScopeEdits = function singleScopeEdits(script1, script2, scope1, scope2, editRange, parseErrors) {
            var result = new UpdateUnitResult(UpdateUnitKind.EditsInsideSingleScope, script1.locationInfo.unitIndex, script1, script2);
            result.scope1 = scope1;
            result.scope2 = scope2;
            result.editRange = editRange;
            result.parseErrors = parseErrors;
            return result;
        }
        return UpdateUnitResult;
    })();
    TypeScript.UpdateUnitResult = UpdateUnitResult;    
    var ErrorEntry = (function () {
        function ErrorEntry(unitIndex, minChar, limChar, message) {
            this.unitIndex = unitIndex;
            this.minChar = minChar;
            this.limChar = limChar;
            this.message = message;
        }
        return ErrorEntry;
    })();
    TypeScript.ErrorEntry = ErrorEntry;    
    TypeScript.defaultSettings = new TypeScript.CompilationSettings();
    var TypeScriptCompiler = (function () {
        function TypeScriptCompiler(outfile, errorOutput, logger, settings) {
            if (typeof logger === "undefined") { logger = new TypeScript.NullLogger(); }
            if (typeof settings === "undefined") { settings = TypeScript.defaultSettings; }
            this.outfile = outfile;
            this.errorOutput = errorOutput;
            this.logger = logger;
            this.settings = settings;
            this.parser = new TypeScript.Parser();
            this.typeFlow = null;
            this.scripts = new TypeScript.ASTList();
            this.units = new Array();
            this.errorReporter = new TypeScript.ErrorReporter(this.outfile);
            this.persistentTypeState = new TypeScript.PersistentGlobalTypeState(this.errorReporter);
            this.errorReporter.parser = this.parser;
            this.initTypeChecker(this.errorOutput);
            this.parser.style_requireSemi = this.settings.styleSettings.requireSemi;
            this.parser.style_funcInLoop = this.settings.styleSettings.funcInLoop;
            this.parser.inferPropertiesFromThisAssignment = this.settings.inferPropertiesFromThisAssignment;
            this.emitSettings = {
                minWhitespace: this.settings.minWhitespace,
                propagateConstants: this.settings.propagateConstants,
                emitComments: this.settings.emitComments,
                path: this.settings.outputFileName,
                createFile: null,
                outputMany: this.settings.outputMany
            };
            TypeScript.codeGenTarget = settings.codeGenTarget;
        }
        TypeScriptCompiler.prototype.timeFunction = function (funcDescription, func) {
            return TypeScript.timeFunction(this.logger, funcDescription, func);
        };
        TypeScriptCompiler.prototype.initTypeChecker = function (errorOutput) {
            this.persistentTypeState.refreshPersistentState();
            this.typeChecker = new TypeScript.TypeChecker(this.persistentTypeState);
            this.typeChecker.errorReporter = this.errorReporter;
            this.typeChecker.checkControlFlow = this.settings.controlFlow;
            this.typeChecker.checkControlFlowUseDef = this.settings.controlFlowUseDef;
            this.typeChecker.printControlFlowGraph = this.settings.printControlFlow;
            this.typeChecker.errorsOnWith = this.settings.errorOnWith;
            this.typeChecker.styleSettings = this.settings.styleSettings;
            this.typeChecker.canCallDefinitionSignature = this.settings.canCallDefinitionSignature;
            this.errorReporter.checker = this.typeChecker;
            this.setErrorOutput(this.errorOutput);
        };
        TypeScriptCompiler.prototype.setErrorOutput = function (outerr) {
            this.errorOutput = outerr;
            this.errorReporter.setErrOut(outerr);
            this.parser.outfile = outerr;
        };
        TypeScriptCompiler.prototype.emitCommentsToOutput = function () {
            this.emitSettings = {
                minWhitespace: this.settings.minWhitespace,
                propagateConstants: this.settings.propagateConstants,
                emitComments: this.settings.emitComments,
                path: this.settings.outputFileName,
                createFile: null,
                outputMany: this.settings.outputMany
            };
        };
        TypeScriptCompiler.prototype.setErrorCallback = function (fn) {
            this.parser.errorCallback = fn;
        };
        TypeScriptCompiler.prototype.updateUnit = function (prog, filename, setRecovery) {
            return this.updateSourceUnit(new TypeScript.StringSourceText(prog), filename, setRecovery);
        };
        TypeScriptCompiler.prototype.updateSourceUnit = function (sourceText, filename, setRecovery) {
            var _this = this;
            return this.timeFunction("updateSourceUnit(" + filename + ")", function () {
                var updateResult = _this.partialUpdateUnit(sourceText, filename, setRecovery);
                return _this.applyUpdateResult(updateResult);
            });
        };
        TypeScriptCompiler.prototype.applyUpdateResult = function (updateResult) {
            switch(updateResult.kind) {
                case UpdateUnitKind.NoEdits: {
                    return false;

                }
                case UpdateUnitKind.Unknown: {
                    this.scripts.members[updateResult.unitIndex] = updateResult.script2;
                    this.units[updateResult.unitIndex] = updateResult.script2.locationInfo;
                    for(var i = 0, len = updateResult.parseErrors.length; i < len; i++) {
                        var e = updateResult.parseErrors[i];
                        if(this.parser.errorCallback) {
                            this.parser.errorCallback(e.minChar, e.limChar - e.minChar, e.message, e.unitIndex);
                        }
                    }
                    return true;

                }
                case UpdateUnitKind.EditsInsideSingleScope: {
                    new TypeScript.IncrementalParser(this.logger).mergeTrees(updateResult);
                    return true;

                }
            }
        };
        TypeScriptCompiler.prototype.partialUpdateUnit = function (sourceText, filename, setRecovery) {
            var _this = this;
            return this.timeFunction("partialUpdateUnit(" + filename + ")", function () {
                for(var i = 0, len = _this.units.length; i < len; i++) {
                    if(_this.units[i].filename == filename) {
                        if((_this.scripts.members[i]).isResident) {
                            return UpdateUnitResult.noEdits(i);
                        }
                        if(setRecovery) {
                            _this.parser.setErrorRecovery(null, 0, 0);
                        }
                        var updateResult;
                        var parseErrors = [];
                        var errorCapture = function (minChar, charLen, message, unitIndex) {
                            parseErrors.push(new ErrorEntry(unitIndex, minChar, minChar + charLen, message));
                        };
                        var svErrorCallback = _this.parser.errorCallback;
                        if(svErrorCallback) {
                            _this.parser.errorCallback = errorCapture;
                        }
                        var oldScript = _this.scripts.members[i];
                        var newScript = _this.parser.parse(sourceText, filename, i);
                        if(svErrorCallback) {
                            _this.parser.errorCallback = svErrorCallback;
                        }
                        updateResult = UpdateUnitResult.unknownEdits(oldScript, newScript, parseErrors);
                        return updateResult;
                    }
                }
                throw new Error("Unknown file \"" + filename + "\"");
            });
        };
        TypeScriptCompiler.prototype.addUnit = function (prog, filename, keepResident) {
            if (typeof keepResident === "undefined") { keepResident = false; }
            return this.addSourceUnit(new TypeScript.StringSourceText(prog), filename, keepResident);
        };
        TypeScriptCompiler.prototype.addSourceUnit = function (sourceText, filename, keepResident) {
            if (typeof keepResident === "undefined") { keepResident = false; }
            var _this = this;
            return this.timeFunction("addSourceUnit(" + filename + ", " + keepResident + ")", function () {
                var script = _this.parser.parse(sourceText, filename, _this.units.length, TypeScript.AllowedElements.Global);
                script.isResident = keepResident;
                _this.persistentTypeState.setCollectionMode(keepResident ? TypeScript.TypeCheckCollectionMode.Resident : TypeScript.TypeCheckCollectionMode.Transient);
                var index = _this.units.length;
                _this.units[index] = script.locationInfo;
                _this.typeChecker.collectTypes(script);
                _this.scripts.append(script);
                return script;
            });
        };
        TypeScriptCompiler.prototype.parseUnit = function (prog, filename) {
            return this.parseSourceUnit(new TypeScript.StringSourceText(prog), filename);
        };
        TypeScriptCompiler.prototype.parseSourceUnit = function (sourceText, filename) {
            this.parser.setErrorRecovery(this.outfile, -1, -1);
            var script = this.parser.parse(sourceText, filename, 0);
            var context = new TypeScript.PrintContext(this.outfile, this.parser);
            TypeScript.getAstWalkerFactory().walk(script, TypeScript.prePrintAST, TypeScript.postPrintAST, null, context);
        };
        TypeScriptCompiler.prototype.typeCheck = function () {
            var _this = this;
            return this.timeFunction("typeCheck()", function () {
                var binder = new TypeScript.Binder(_this.typeChecker);
                _this.typeChecker.units = _this.units;
                binder.bind(_this.typeChecker.globalScope, _this.typeChecker.globals);
                binder.bind(_this.typeChecker.globalScope, _this.typeChecker.ambientGlobals);
                binder.bind(_this.typeChecker.globalScope, _this.typeChecker.globalTypes);
                binder.bind(_this.typeChecker.globalScope, _this.typeChecker.ambientGlobalTypes);
                _this.typeFlow = new TypeScript.TypeFlow(_this.logger, _this.typeChecker.globalScope, _this.parser, _this.typeChecker);
                var i = 0;
                var script = null;
                var len = _this.scripts.members.length;
                _this.persistentTypeState.setCollectionMode(TypeScript.TypeCheckCollectionMode.Resident);
                for(i = 0; i < len; i++) {
                    script = _this.scripts.members[i];
                    if(!script.isResident || script.hasBeenTypeChecked) {
                        continue;
                    }
                    _this.typeFlow.assignScopes(script);
                    _this.typeFlow.initLibs();
                }
                for(i = 0; i < len; i++) {
                    script = _this.scripts.members[i];
                    if(!script.isResident || script.hasBeenTypeChecked) {
                        continue;
                    }
                    _this.typeFlow.typeCheck(script);
                    script.hasBeenTypeChecked = true;
                }
                _this.persistentTypeState.setCollectionMode(TypeScript.TypeCheckCollectionMode.Transient);
                len = _this.scripts.members.length;
                for(i = 0; i < len; i++) {
                    script = _this.scripts.members[i];
                    if(script.isResident) {
                        continue;
                    }
                    _this.typeFlow.assignScopes(script);
                    _this.typeFlow.initLibs();
                }
                for(i = 0; i < len; i++) {
                    script = _this.scripts.members[i];
                    if(script.isResident) {
                        continue;
                    }
                    _this.typeFlow.typeCheck(script);
                }
                return null;
            });
        };
        TypeScriptCompiler.prototype.cleanASTTypesForReTypeCheck = function (ast) {
            function cleanASTType(ast, parent) {
                ast.type = null;
                if(ast.nodeType == TypeScript.NodeType.VarDecl) {
                    var vardecl = ast;
                    vardecl.sym = null;
                } else {
                    if(ast.nodeType == TypeScript.NodeType.ArgDecl) {
                        var argdecl = ast;
                        argdecl.sym = null;
                    } else {
                        if(ast.nodeType == TypeScript.NodeType.Name) {
                            var name = ast;
                            name.sym = null;
                        } else {
                            if(ast.nodeType == TypeScript.NodeType.FuncDecl) {
                                var funcdecl = ast;
                                funcdecl.signature = null;
                                funcdecl.freeVariables = new Array();
                                funcdecl.symbols = null;
                                funcdecl.accessorSymbol = null;
                                funcdecl.scopeType = null;
                            } else {
                                if(ast.nodeType == TypeScript.NodeType.Module) {
                                    var modDecl = ast;
                                    modDecl.mod = null;
                                } else {
                                    if(ast.nodeType == TypeScript.NodeType.With) {
                                        (ast).withSym = null;
                                    } else {
                                        if(ast.nodeType == TypeScript.NodeType.Catch) {
                                            (ast).containedScope = null;
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                return ast;
            }
            TypeScript.getAstWalkerFactory().walk(ast, cleanASTType);
        };
        TypeScriptCompiler.prototype.cleanTypesForReTypeCheck = function () {
            var _this = this;
            return this.timeFunction("cleanTypesForReTypeCheck()", function () {
                for(var i = 0, len = _this.scripts.members.length; i < len; i++) {
                    var script = _this.scripts.members[i];
                    if((script).isResident) {
                        continue;
                    }
                    _this.cleanASTTypesForReTypeCheck(script);
                    _this.typeChecker.collectTypes(script);
                }
                return null;
            });
        };
        TypeScriptCompiler.prototype.attemptIncrementalTypeCheck = function (updateResult) {
            return this.timeFunction("attemptIncrementalTypeCheck()", function () {
                return false;
            });
        };
        TypeScriptCompiler.prototype.reTypeCheck = function () {
            var _this = this;
            return this.timeFunction("reTypeCheck()", function () {
                TypeScript.CompilerDiagnostics.analysisPass++;
                _this.initTypeChecker(_this.errorOutput);
                _this.persistentTypeState.setCollectionMode(TypeScript.TypeCheckCollectionMode.Transient);
                _this.cleanTypesForReTypeCheck();
                return _this.typeCheck();
            });
        };
        TypeScriptCompiler.prototype.emit = function (outputMany, createFile) {
            var emitter = null;
            this.emitSettings.createFile = createFile;
            for(var i = 0, len = this.scripts.members.length; i < len; i++) {
                var script = this.scripts.members[i];
                if(!script.emitRequired()) {
                    continue;
                }
                var outf = this.outfile;
                if(outputMany) {
                    var fname = this.units[i].filename;
                    var splitFname = fname.split(".");
                    splitFname.pop();
                    var baseName = splitFname.join(".");
                    var outFname = baseName + ".js";
                    this.emitSettings.path = outFname;
                    outf = createFile(outFname);
                    emitter = new TypeScript.Emitter(this.typeChecker, outf, this.emitSettings);
                    if(this.settings.mapSourceFiles) {
                        emitter.setSourceMappings(new TypeScript.SourceMapper(fname, outFname, outf, createFile(outFname + TypeScript.SourceMapper.MapFileExtension)));
                    }
                    if(this.settings.generateDeclarationFiles) {
                        var declareFileName = TypeScript.isSTRFile(fname) ? TypeScript.changePathToDSTR(fname) : TypeScript.isTSFile(fname) ? TypeScript.changePathToDTS(fname) : TypeScript.changePathToDTS(fname);
                        emitter.setDeclarationFile(createFile(declareFileName));
                    }
                } else {
                    if(emitter == null) {
                        emitter = new TypeScript.Emitter(this.typeChecker, this.outfile, this.emitSettings);
                        if(this.settings.mapSourceFiles) {
                            emitter.setSourceMappings(new TypeScript.SourceMapper(script.locationInfo.filename, this.settings.outputFileName, this.outfile, createFile(this.settings.outputFileName + TypeScript.SourceMapper.MapFileExtension)));
                        }
                        if(this.settings.generateDeclarationFiles) {
                            var outfname = this.settings.outputFileName;
                            outfname = TypeScript.isSTRFile(outfname) ? TypeScript.changePathToDSTR(outfname) : TypeScript.isTSFile(outfname) ? TypeScript.changePathToDTS(outfname) : TypeScript.changePathToDTS(outfname);
                            emitter.setDeclarationFile(createFile(outfname));
                        }
                    } else {
                        if(this.settings.mapSourceFiles) {
                            emitter.setSourceMappings(new TypeScript.SourceMapper(script.locationInfo.filename, emitter.sourceMapper.jsFileName, this.outfile, emitter.sourceMapper.sourceMapOut));
                        }
                    }
                }
                this.typeChecker.locationInfo = script.locationInfo;
                emitter.emitJavascript(script, TypeScript.TokenID.Comma, false, emitter.canWriteDeclFile());
                if(outputMany) {
                    if(this.settings.mapSourceFiles) {
                        emitter.emitSourceMappings();
                    }
                    if(this.settings.generateDeclarationFiles) {
                        emitter.declFile.Close();
                    }
                    outf.Close();
                }
            }
            if(!outputMany) {
                if(this.settings.mapSourceFiles) {
                    emitter.emitSourceMappings();
                }
                if(this.settings.generateDeclarationFiles) {
                    emitter.declFile.Close();
                }
            }
        };
        TypeScriptCompiler.prototype.emitToOutfile = function () {
            var emitter = null;
            if(this.settings.mapSourceFiles) {
                throw Error("Cannot generate source map");
            }
            if(this.settings.generateDeclarationFiles) {
                throw Error("Cannot generate declaration files");
            }
            for(var i = 0, len = this.scripts.members.length; i < len; i++) {
                if(emitter == null) {
                    emitter = new TypeScript.Emitter(this.typeChecker, this.outfile, this.emitSettings);
                }
                var script = this.scripts.members[i];
                this.typeChecker.locationInfo = script.locationInfo;
                emitter.emitJavascript(script, TypeScript.TokenID.Comma, false);
            }
        };
        return TypeScriptCompiler;
    })();
    TypeScript.TypeScriptCompiler = TypeScriptCompiler;    
    var ScopeEntry = (function () {
        function ScopeEntry(name, type, sym) {
            this.name = name;
            this.type = type;
            this.sym = sym;
        }
        return ScopeEntry;
    })();
    TypeScript.ScopeEntry = ScopeEntry;    
    var ScopeTraversal = (function () {
        function ScopeTraversal(compiler) {
            this.compiler = compiler;
        }
        ScopeTraversal.prototype.getScope = function (enclosingScopeContext) {
            if(enclosingScopeContext.enclosingObjectLit && enclosingScopeContext.isMemberCompletion) {
                return enclosingScopeContext.getObjectLiteralScope();
            } else {
                if(enclosingScopeContext.isMemberCompletion) {
                    if(enclosingScopeContext.useFullAst) {
                        return this.compiler.typeFlow.findMemberScopeAtFullAst(enclosingScopeContext);
                    } else {
                        return this.compiler.typeFlow.findMemberScopeAt(enclosingScopeContext);
                    }
                } else {
                    return enclosingScopeContext.getScope();
                }
            }
        };
        ScopeTraversal.prototype.getScopeEntries = function (enclosingScopeContext) {
            var scope = this.getScope(enclosingScopeContext);
            if(scope == null) {
                return [];
            }
            var inScopeNames = new TypeScript.StringHashTable();
            var allSymbolNames = scope.getAllSymbolNames(enclosingScopeContext.isMemberCompletion);
            for(var i = 0; i < allSymbolNames.length; i++) {
                var name = allSymbolNames[i];
                if(name == TypeScript.globalId || name == "_Core" || name == "_element") {
                    continue;
                }
                inScopeNames.add(name, "");
            }
            var svModuleDecl = this.compiler.typeChecker.currentModDecl;
            this.compiler.typeChecker.currentModDecl = enclosingScopeContext.deepestModuleDecl;
            var result = this.getTypeNamesForNames(enclosingScopeContext, inScopeNames.getAllKeys(), scope);
            this.compiler.typeChecker.currentModDecl = svModuleDecl;
            return result;
        };
        ScopeTraversal.prototype.getTypeNamesForNames = function (enclosingScopeContext, allNames, scope) {
            var result = [];
            var enclosingScope = enclosingScopeContext.getScope();
            for(var i = 0; i < allNames.length; i++) {
                var name = allNames[i];
                var publicsOnly = enclosingScopeContext.publicsOnly && enclosingScopeContext.isMemberCompletion;
                var symbol = scope.find(name, publicsOnly, false);
                if(symbol == null) {
                    symbol = scope.find(name, publicsOnly, true);
                }
                var displayThisMember = symbol && symbol.flags & TypeScript.SymbolFlags.Private ? symbol.container == scope.container : true;
                if(symbol) {
                    if(displayThisMember && !TypeScript.isQuoted(symbol.name) && !TypeScript.isRelative(symbol.name)) {
                        var typeName = symbol.getType().getScopedTypeName(enclosingScope);
                        result.push(new ScopeEntry(name, typeName, symbol));
                    }
                } else {
                    if(name == "true" || name == "false") {
                        result.push(new ScopeEntry(name, "bool", this.compiler.typeChecker.booleanType.symbol));
                    }
                }
            }
            return result;
        };
        return ScopeTraversal;
    })();
    TypeScript.ScopeTraversal = ScopeTraversal;    
})(TypeScript || (TypeScript = {}));

var TypeScript;
(function (TypeScript) {
    (function (CompilerDiagnostics) {
        CompilerDiagnostics.debug = false;
        CompilerDiagnostics.diagnosticWriter = null;
        CompilerDiagnostics.analysisPass = 0;
        function Alert(output) {
            if(CompilerDiagnostics.diagnosticWriter) {
                CompilerDiagnostics.diagnosticWriter.Alert(output);
            }
        }
        CompilerDiagnostics.Alert = Alert;
        function debugPrint(s) {
            if(CompilerDiagnostics.debug) {
                Alert(s);
            }
        }
        CompilerDiagnostics.debugPrint = debugPrint;
        function assert(condition, s) {
            if(CompilerDiagnostics.debug) {
                if(!condition) {
                    Alert(s);
                }
            }
        }
        CompilerDiagnostics.assert = assert;
    })(TypeScript.CompilerDiagnostics || (TypeScript.CompilerDiagnostics = {}));
    var CompilerDiagnostics = TypeScript.CompilerDiagnostics;

    var NullLogger = (function () {
        function NullLogger() { }
        NullLogger.prototype.information = function () {
            return false;
        };
        NullLogger.prototype.debug = function () {
            return false;
        };
        NullLogger.prototype.warning = function () {
            return false;
        };
        NullLogger.prototype.error = function () {
            return false;
        };
        NullLogger.prototype.fatal = function () {
            return false;
        };
        NullLogger.prototype.log = function (s) {
        };
        return NullLogger;
    })();
    TypeScript.NullLogger = NullLogger;    
    var LoggerAdapter = (function () {
        function LoggerAdapter(logger) {
            this.logger = logger;
            this._information = this.logger.information();
            this._debug = this.logger.debug();
            this._warning = this.logger.warning();
            this._error = this.logger.error();
            this._fatal = this.logger.fatal();
        }
        LoggerAdapter.prototype.information = function () {
            return this._information;
        };
        LoggerAdapter.prototype.debug = function () {
            return this._debug;
        };
        LoggerAdapter.prototype.warning = function () {
            return this._warning;
        };
        LoggerAdapter.prototype.error = function () {
            return this._error;
        };
        LoggerAdapter.prototype.fatal = function () {
            return this._fatal;
        };
        LoggerAdapter.prototype.log = function (s) {
            this.logger.log(s);
        };
        return LoggerAdapter;
    })();
    TypeScript.LoggerAdapter = LoggerAdapter;    
    var BufferedLogger = (function () {
        function BufferedLogger() {
            this.logContents = [];
        }
        BufferedLogger.prototype.information = function () {
            return false;
        };
        BufferedLogger.prototype.debug = function () {
            return false;
        };
        BufferedLogger.prototype.warning = function () {
            return false;
        };
        BufferedLogger.prototype.error = function () {
            return false;
        };
        BufferedLogger.prototype.fatal = function () {
            return false;
        };
        BufferedLogger.prototype.log = function (s) {
            this.logContents.push(s);
        };
        return BufferedLogger;
    })();
    TypeScript.BufferedLogger = BufferedLogger;    
    function timeFunction(logger, funcDescription, func) {
        var start = +new Date();
        var result = func();
        var end = +new Date();
        logger.log(funcDescription + " completed in " + (end - start) + " msec");
        return result;
    }
    TypeScript.timeFunction = timeFunction;
    function stringToLiteral(value, length) {
        var result = "";
        var addChar = function (index) {
            var ch = value.charCodeAt(index);
            switch(ch) {
                case 9: {
                    result += "\\t";
                    break;

                }
                case 10: {
                    result += "\\n";
                    break;

                }
                case 11: {
                    result += "\\v";
                    break;

                }
                case 12: {
                    result += "\\f";
                    break;

                }
                case 13: {
                    result += "\\r";
                    break;

                }
                case 34: {
                    result += "\\\"";
                    break;

                }
                case 39: {
                    result += "\\\'";
                    break;

                }
                case 92: {
                    result += "\\";
                    break;

                }
                default: {
                    result += value.charAt(index);

                }
            }
        };
        var tooLong = (value.length > length);
        if(tooLong) {
            var mid = length >> 1;
            for(var i = 0; i < mid; i++) {
                addChar(i);
            }
            result += "(...)";
            for(var i = value.length - mid; i < value.length; i++) {
                addChar(i);
            }
        } else {
            length = value.length;
            for(var i = 0; i < length; i++) {
                addChar(i);
            }
        }
        return result;
    }
    TypeScript.stringToLiteral = stringToLiteral;
})(TypeScript || (TypeScript = {}));


// This section is added to make it more convinient to call
function Buffer() {
    this.buffer = "";

}

Buffer.prototype = {
    Write: function(s) {
        this.buffer += s;
    },
    WriteLine: function(s) {
        this.buffer += s + "\n";
    },
    toString: function() {
        return this.buffer;
    }
};

function compilify_ts(code) {
    
    var output = new Buffer();
    var error = new Buffer();
    var compiler = new TypeScript.TypeScriptCompiler(output, error);
    compiler.addUnit(code, "dummy.ts");
    compiler.typeCheck();
    compiler.emit();
    return output.toString();
}
