1/*** 2 * ASM: a very small and fast Java bytecode manipulation framework 3 * Copyright (c) 2000-2007 INRIA, France Telecom 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. Neither the name of the copyright holders nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30package org.mockito.asm.tree; 31 32import java.util.Map; 33 34import org.mockito.asm.MethodVisitor; 35 36/** 37 * A node that represents a local variable instruction. A local variable 38 * instruction is an instruction that loads or stores the value of a local 39 * variable. 40 * 41 * @author Eric Bruneton 42 */ 43public class VarInsnNode extends AbstractInsnNode { 44 45 /** 46 * The operand of this instruction. This operand is the index of a local 47 * variable. 48 */ 49 public int var; 50 51 /** 52 * Constructs a new {@link VarInsnNode}. 53 * 54 * @param opcode the opcode of the local variable instruction to be 55 * constructed. This opcode must be ILOAD, LLOAD, FLOAD, DLOAD, 56 * ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET. 57 * @param var the operand of the instruction to be constructed. This operand 58 * is the index of a local variable. 59 */ 60 public VarInsnNode(final int opcode, final int var) { 61 super(opcode); 62 this.var = var; 63 } 64 65 /** 66 * Sets the opcode of this instruction. 67 * 68 * @param opcode the new instruction opcode. This opcode must be ILOAD, 69 * LLOAD, FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE 70 * or RET. 71 */ 72 public void setOpcode(final int opcode) { 73 this.opcode = opcode; 74 } 75 76 public int getType() { 77 return VAR_INSN; 78 } 79 80 public void accept(final MethodVisitor mv) { 81 mv.visitVarInsn(opcode, var); 82 } 83 84 public AbstractInsnNode clone(final Map labels) { 85 return new VarInsnNode(opcode, var); 86 } 87}