Java tutorial
/******************************************************************************* Copyright 2010, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. This distribution may include materials developed by third parties. ******************************************************************************/ package com.sun.fortress.compiler.asmbytecodeoptimizer; import org.objectweb.asm.*; import org.objectweb.asm.util.*; public class VarInsn extends Insn { int opcode; int var; String addedBy; VarInsn(String name, int opcode, int var, String index) { super(name, index); this.opcode = opcode; this.var = var; } VarInsn(String name, int opcode, int var, String index, String addedBy) { super(name, index); this.opcode = opcode; this.var = var; this.addedBy = addedBy; } public boolean matches(VarInsn vi) { boolean result = (opcode == vi.opcode) && (var == vi.var); return result; } public String toString() { return "VarInsn:" + name + " opcode = " + opcode + " index = " + index + " newIndex = " + newIndex + " variable = " + var; } public VarInsn copy(String newIndex) { return new VarInsn(name, opcode, var, newIndex); } public void toAsm(MethodVisitor mv) { mv.visitVarInsn(opcode, var); } }