Home | History | Annotate | Download | only in Format 
      1 /*
      2  * [The "BSD licence"]
      3  * Copyright (c) 2010 Ben Gruver (JesusFreke)
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 package org.jf.baksmali.Adaptors.Format;
     30 
     31 import org.jf.baksmali.Adaptors.MethodDefinition;
     32 import org.jf.dexlib2.analysis.UnresolvedOdexInstruction;
     33 import org.jf.dexlib2.iface.instruction.Instruction;
     34 import org.jf.dexlib2.iface.instruction.OffsetInstruction;
     35 import org.jf.dexlib2.iface.instruction.formats.ArrayPayload;
     36 import org.jf.dexlib2.iface.instruction.formats.PackedSwitchPayload;
     37 import org.jf.dexlib2.iface.instruction.formats.SparseSwitchPayload;
     38 
     39 public class InstructionMethodItemFactory {
     40     private InstructionMethodItemFactory() {
     41     }
     42 
     43     public static InstructionMethodItem makeInstructionFormatMethodItem(
     44             MethodDefinition methodDef, int codeAddress, Instruction instruction) {
     45 
     46         if (instruction instanceof OffsetInstruction) {
     47             return new OffsetInstructionFormatMethodItem(methodDef.classDef.options, methodDef, codeAddress,
     48                     (OffsetInstruction)instruction);
     49         }
     50 
     51         if (instruction instanceof UnresolvedOdexInstruction) {
     52             return new UnresolvedOdexInstructionMethodItem(methodDef, codeAddress,
     53                     (UnresolvedOdexInstruction)instruction);
     54         }
     55 
     56         switch (instruction.getOpcode().format) {
     57             case ArrayPayload:
     58                 return new ArrayDataMethodItem(methodDef, codeAddress, (ArrayPayload)instruction);
     59             case PackedSwitchPayload:
     60                 return new PackedSwitchMethodItem(methodDef, codeAddress, (PackedSwitchPayload)instruction);
     61             case SparseSwitchPayload:
     62                 return new SparseSwitchMethodItem(methodDef, codeAddress, (SparseSwitchPayload)instruction);
     63             default:
     64                 return new InstructionMethodItem<Instruction>(methodDef, codeAddress, instruction);
     65         }
     66     }
     67 }
     68