content: /*
   * [The "BSD licence"]
   * Copyright (c) 2010 Ben Gruver
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  package org.jf.dexlib.Code.Analysis;
  
  import org.jf.dexlib.Code.Opcode;
  
  public class OdexedFieldInstructionMapper {
      private static Opcode[][][][] opcodeMap = new Opcode[][][][] {
              //get opcodes
              new Opcode[][][] {
                      //iget quick
                      new Opcode[][] {
                              //odexed
                              new Opcode[] {
                                  /*Z*/   Opcode.IGET_QUICK,
                                  /*B*/   Opcode.IGET_QUICK,
                                  /*S*/   Opcode.IGET_QUICK,
                                  /*C*/   Opcode.IGET_QUICK,
                                  /*I,F*/ Opcode.IGET_QUICK,
                                  /*J,D*/ Opcode.IGET_WIDE_QUICK,
                                  /*L,[*/ Opcode.IGET_OBJECT_QUICK
                              },
                              //deodexed
                              new Opcode[] {
                                  /*Z*/   Opcode.IGET_BOOLEAN,
                                  /*B*/   Opcode.IGET_BYTE,
                                  /*S*/   Opcode.IGET_SHORT,
                                  /*C*/   Opcode.IGET_CHAR,
                                  /*I,F*/ Opcode.IGET,
                                  /*J,D*/ Opcode.IGET_WIDE,
                                  /*L,[*/ Opcode.IGET_OBJECT
                              }
                      },
                      //iget volatile
                      new Opcode[][] {
                              //odexed
                              new Opcode[] {
                                  /*Z*/   Opcode.IGET_VOLATILE,
                                  /*B*/   Opcode.IGET_VOLATILE,
                                  /*S*/   Opcode.IGET_VOLATILE,
                                  /*C*/   Opcode.IGET_VOLATILE,
                                  /*I,F*/ Opcode.IGET_VOLATILE,
                                  /*J,D*/ Opcode.IGET_WIDE_VOLATILE,
                                  /*L,[*/ Opcode.IGET_OBJECT_VOLATILE
                              },
                              //deodexed
                              new Opcode[] {
                                  /*Z*/   Opcode.IGET_BOOLEAN,
                                  /*B*/   Opcode.IGET_BYTE,
                                  /*S*/   Opcode.IGET_SHORT,
                                  /*C*/   Opcode.IGET_CHAR,
                                  /*I,F*/ Opcode.IGET,
                                  /*J,D*/ Opcode.IGET_WIDE,
                                  /*L,[*/ Opcode.IGET_OBJECT
                              }
                      },
                      //sget volatile
                      new Opcode[][] {
                              //odexed
                              new Opcode[] {
                                  /*Z*/   Opcode.SGET_VOLATILE,
                                  /*B*/   Opcode.SGET_VOLATILE,
                                  /*S*/   Opcode.SGET_VOLATILE,
                                  /*C*/   Opcode.SGET_VOLATILE,
                                  /*I,F*/ Opcode.SGET_VOLATILE,
                                  /*J,D*/ Opcode.SGET_WIDE_VOLATILE,
                                  /*L,[*/ Opcode.SGET_OBJECT_VOLATILE
                              },
                              //deodexed
                              new Opcode[] {
                                  /*Z*/   Opcode.SGET_BOOLEAN,
                                  /*B*/   Opcode.SGET_BYTE,
                                  /*S*/   Opcode.SGET_SHORT,
                                  /*C*/   Opcode.SGET_CHAR,
                                  /*I,F*/ Opcode.SGET,
                                  /*J,D*/ Opcode.SGET_WIDE,
                                  /*L,[*/ Opcode.SGET_OBJECT
                              }
                      }
              },
              //put opcodes
              new Opcode[][][] {
                      //iput quick
                      new Opcode[][] {
                              //odexed
                              new Opcode[] {
                                  /*Z*/   Opcode.IPUT_QUICK,
                                  /*B*/   Opcode.IPUT_QUICK,
                                  /*S*/   Opcode.IPUT_QUICK,
                                  /*C*/   Opcode.IPUT_QUICK,
                                  /*I,F*/ Opcode.IPUT_QUICK,
                                  /*J,D*/ Opcode.IPUT_WIDE_QUICK,
                                  /*L,[*/ Opcode.IPUT_OBJECT_QUICK
                              },
                              //deodexed
                              new Opcode[] {
                                  /*Z*/   Opcode.IPUT_BOOLEAN,
                                  /*B*/   Opcode.IPUT_BYTE,
                                  /*S*/   Opcode.IPUT_SHORT,
                                  /*C*/   Opcode.IPUT_CHAR,
                                  /*I,F*/ Opcode.IPUT,
                                  /*J,D*/ Opcode.IPUT_WIDE,
                                  /*L,[*/ Opcode.IPUT_OBJECT
                              }
                      },
                      //iput volatile
                      new Opcode[][] {
                              //odexed
                              new Opcode[] {
                                  /*Z*/   Opcode.IPUT_VOLATILE,
                                  /*B*/   Opcode.IPUT_VOLATILE,
                                  /*S*/   Opcode.IPUT_VOLATILE,
                                  /*C*/   Opcode.IPUT_VOLATILE,
                                  /*I,F*/ Opcode.IPUT_VOLATILE,
                                  /*J,D*/ Opcode.IPUT_WIDE_VOLATILE,
                                  /*L,[*/ Opcode.IPUT_OBJECT_VOLATILE
                              },
                              //deodexed
                              new Opcode[] {
                                  /*Z*/   Opcode.IPUT_BOOLEAN,
                                  /*B*/   Opcode.IPUT_BYTE,
                                  /*S*/   Opcode.IPUT_SHORT,
                                  /*C*/   Opcode.IPUT_CHAR,
                                  /*I,F*/ Opcode.IPUT,
                                  /*J,D*/ Opcode.IPUT_WIDE,
                                  /*L,[*/ Opcode.IPUT_OBJECT
                              }
                      },
                      //sput volatile
                      new Opcode[][] {
                              //odexed
                              new Opcode[] {
                                  /*Z*/   Opcode.SPUT_VOLATILE,
                                  /*B*/   Opcode.SPUT_VOLATILE,
                                  /*S*/   Opcode.SPUT_VOLATILE,
                                  /*C*/   Opcode.SPUT_VOLATILE,
                                  /*I,F*/ Opcode.SPUT_VOLATILE,
                                  /*J,D*/ Opcode.SPUT_WIDE_VOLATILE,
                                  /*L,[*/ Opcode.SPUT_OBJECT_VOLATILE
                              },
                              //deodexed
                              new Opcode[] {
                                  /*Z*/   Opcode.SPUT_BOOLEAN,
                                  /*B*/   Opcode.SPUT_BYTE,
                                  /*S*/   Opcode.SPUT_SHORT,
                                  /*C*/   Opcode.SPUT_CHAR,
                                  /*I,F*/ Opcode.SPUT,
                                  /*J,D*/ Opcode.SPUT_WIDE,
                                  /*L,[*/ Opcode.SPUT_OBJECT
                              }
                      }
              }
      };
  
      private static int getTypeIndex(char type) {
          switch (type) {
              case 'Z':
                  return 0;
              case 'B':
                  return 1;
              case 'S':
                  return 2;
              case 'C':
                  return 3;
              case 'I':
              case 'F':
                  return 4;
              case 'J':
              case 'D':
                  return 5;
              case 'L':
              case '[':
                  return 6;
              default:
          }
          throw new RuntimeException(String.format("Unknown type %s: ", type));
      }
  
      private static int getOpcodeSubtype(Opcode opcode) {
          if (opcode.isOdexedInstanceQuick()) {
              return 0;
          } else if (opcode.isOdexedInstanceVolatile()) {
              return 1;
          } else if (opcode.isOdexedStaticVolatile()) {
              return 2;
          }
          throw new RuntimeException(String.format("Not an odexed field access opcode: %s", opcode.name));
      }
  
      static Opcode getAndCheckDeodexedOpcodeForOdexedOpcode(String fieldType, Opcode odexedOpcode) {
          int opcodeType = odexedOpcode.setsRegister()?0:1;
          int opcodeSubType = getOpcodeSubtype(odexedOpcode);
          int typeIndex = getTypeIndex(fieldType.charAt(0));
  
          Opcode correctOdexedOpcode = opcodeMap[opcodeType][opcodeSubType][0][typeIndex];
          Opcode deodexedOpcode = opcodeMap[opcodeType][opcodeSubType][1][typeIndex];
  
          if (correctOdexedOpcode != odexedOpcode) {
              throw new ValidationException(String.format("Incorrect field type \"%s\" for %s", fieldType,
                      odexedOpcode.name));
          }
  
          return deodexedOpcode;
      }
  }
  
  
  