kgram/src/main/java/jp/sourceforge/stigmata/birthmarks/kgram/OpcodeExtractionMethodVisitor.java

   1 package jp.sourceforge.stigmata.birthmarks.kgram;
   2
   3 import java.util.List;
   4
   5 import org.objectweb.asm.Label;
   6 import org.objectweb.asm.MethodVisitor;
   7 import org.objectweb.asm.Opcodes;
   8
   9 /**
  10  *
  11  * @author Haruaki TAMADA
  12  */
  13 public class OpcodeExtractionMethodVisitor extends MethodVisitor{
  14     private List<Integer> opcodes;
  15
  16     public OpcodeExtractionMethodVisitor(MethodVisitor visitor,
  17                                          List<Integer> opcodes){
  18         super(Opcodes.ASM4, visitor);
  19         this.opcodes = opcodes;
  20     }
  21
  22     @Override
  23     public void visitFieldInsn(int opcode, String owner,
  24                                String name, String desc){
  25         opcodes.add(opcode);
  26         super.visitFieldInsn(opcode, owner, name, desc);
  27     }
  28
  29     @Override
  30     public void visitIincInsn(int var, int increment){
  31         opcodes.add(Opcodes.IINC);
  32         super.visitIincInsn(var, increment);
  33     }
  34
  35     @Override
  36     public void visitInsn(int opcode){
  37         opcodes.add(opcode);
  38         super.visitInsn(opcode);
  39     }
  40
  41     @Override
  42     public void visitIntInsn(int opcode, int operand){
  43         opcodes.add(opcode);
  44         super.visitIntInsn(opcode, operand);
  45     }
  46
  47     @Override
  48     public void visitJumpInsn(int opcode, Label label){
  49         opcodes.add(opcode);
  50         super.visitJumpInsn(opcode, label);
  51     }
  52
  53     @Override
  54     public void visitLdcInsn(Object value){
  55         opcodes.add(Opcodes.LDC);
  56         super.visitLdcInsn(value);
  57     }
  58
  59     @Override
  60     public void visitLookupSwitchInsn(Label defaultHandle, int[] keys,
  61                                       Label[] labels){
  62         opcodes.add(Opcodes.LOOKUPSWITCH);
  63         super.visitLookupSwitchInsn(defaultHandle, keys, labels);
  64     }
  65
  66     @Override
  67     public void visitMethodInsn(int opcode, String owner,
  68                                 String name, String desc){
  69         opcodes.add(opcode);
  70         super.visitMethodInsn(opcode, owner, name, desc);
  71     }
  72
  73     @Override
  74     public void visitMultiANewArrayInsn(String desc, int dims){
  75         opcodes.add(Opcodes.MULTIANEWARRAY);
  76         super.visitMultiANewArrayInsn(desc, dims);
  77     }
  78
  79     @Override
  80     public void visitTableSwitchInsn(int min, int max,
  81                                      Label defaultLabel, Label... labels){
  82         opcodes.add(Opcodes.TABLESWITCH);
  83         super.visitTableSwitchInsn(min, max, defaultLabel, labels);
  84     }
  85
  86     @Override
  87     public void visitTypeInsn(int opcode, String desc){
  88         opcodes.add(opcode);
  89         super.visitTypeInsn(opcode, desc);
  90     }
  91
  92     @Override
  93     public void visitVarInsn(int opcode, int var){
  94         opcodes.add(opcode);
  95         super.visitVarInsn(opcode, var);
  96     }
  97 }