content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  /*
   * Copyright 2001-2004 The Apache Software Foundation.
   *
   * 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
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  /*
   * $Id: ParameterRef.java,v 1.2.4.1 2005/09/02 11:05:08 pvedula Exp $
   */
  
  package jaxp.sun.org.apache.xalan.internal.xsltc.compiler;
  
  import jaxp.sun.org.apache.bcel.internal.generic.CHECKCAST;
  import jaxp.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
  import jaxp.sun.org.apache.bcel.internal.generic.GETFIELD;
  import jaxp.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE;
  import jaxp.sun.org.apache.bcel.internal.generic.InstructionList;
  import jaxp.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
  import jaxp.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
  import jaxp.sun.org.apache.xalan.internal.xsltc.compiler.util.NodeSetType;
  import jaxp.sun.org.apache.xalan.internal.xsltc.runtime.BasisLibrary;
  
  /**
   * @author Jacek Ambroziak
   * @author Santiago Pericas-Geertsen
   * @author Morten Jorgensen
   * @author Erwin Bolwidt <ejb@klomp.org>
   */
  final class ParameterRef extends VariableRefBase {
  
      /**
       * Name of param being referenced.
       */
      QName _name = null;
  
      public ParameterRef(Param param) {
          super(param);
          _name = param._name;
  
      }
  
      public String toString() {
          return "parameter-ref("+_variable.getName()+'/'+_variable.getType()+')';
      }
  
      public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
          final ConstantPoolGen cpg = classGen.getConstantPool();
          final InstructionList il = methodGen.getInstructionList();
  
          /*
           * To fix bug 24518 related to setting parameters of the form
           * {namespaceuri}localName, which will get mapped to an instance
           * variable in the class.
           */
          final String name = BasisLibrary.mapQNameToJavaName (_name.toString());
          final String signature = _type.toSignature();
  
          if (_variable.isLocal()) {
              if (classGen.isExternal()) {
                  Closure variableClosure = _closure;
                  while (variableClosure != null) {
                      if (variableClosure.inInnerClass()) break;
                      variableClosure = variableClosure.getParentClosure();
                  }
  
                  if (variableClosure != null) {
                      il.append(ALOAD_0);
                      il.append(new GETFIELD(
                          cpg.addFieldref(variableClosure.getInnerClassName(),
                              name, signature)));
                  }
                  else {
                      il.append(_variable.loadInstruction());
                  }
              }
              else {
                  il.append(_variable.loadInstruction());
              }
          }
          else {
              final String className = classGen.getClassName();
              il.append(classGen.loadTranslet());
              if (classGen.isExternal()) {
                  il.append(new CHECKCAST(cpg.addClass(className)));
              }
              il.append(new GETFIELD(cpg.addFieldref(className,name,signature)));
          }
  
          if (_variable.getType() instanceof NodeSetType) {
              // The method cloneIterator() also does resetting
              final int clone = cpg.addInterfaceMethodref(NODE_ITERATOR,
                                                         "cloneIterator",
                                                         "()" +
                                                          NODE_ITERATOR_SIG);
              il.append(new INVOKEINTERFACE(clone, 1));
          }
      }
  }
  