1 /*** 2 * ASM: a very small and fast Java bytecode manipulation framework 3 * Copyright (c) 2000-2005 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 */ 30 package org.objectweb.asm.tree; 31 32 import org.objectweb.asm.MethodVisitor; 33 34 /** 35 * A node that represents a field instruction. A field instruction is an 36 * instruction that loads or stores the value of a field of an object. 37 * 38 * @author Eric Bruneton 39 */ 40 public class FieldInsnNode extends AbstractInsnNode { 41 42 /** 43 * The internal name of the field's owner class (see 44 * {@link org.objectweb.asm.Type#getInternalName() getInternalName}). 45 */ 46 public String owner; 47 48 /** 49 * The field's name. 50 */ 51 public String name; 52 53 /** 54 * The field's descriptor (see {@link org.objectweb.asm.Type}). 55 */ 56 public String desc; 57 58 /** 59 * Constructs a new {@link FieldInsnNode}. 60 * 61 * @param opcode the opcode of the type instruction to be constructed. This 62 * opcode must be GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD. 63 * @param owner the internal name of the field's owner class (see 64 * {@link org.objectweb.asm.Type#getInternalName() getInternalName}). 65 * @param name the field's name. 66 * @param desc the field's descriptor (see {@link org.objectweb.asm.Type}). 67 */ 68 public FieldInsnNode( 69 final int opcode, 70 final String owner, 71 final String name, 72 final String desc) 73 { 74 super(opcode); 75 this.owner = owner; 76 this.name = name; 77 this.desc = desc; 78 } 79 80 /** 81 * Sets the opcode of this instruction. 82 * 83 * @param opcode the new instruction opcode. This opcode must be GETSTATIC, 84 * PUTSTATIC, GETFIELD or PUTFIELD. 85 */ 86 public void setOpcode(final int opcode) { 87 this.opcode = opcode; 88 } 89 90 public void accept(final MethodVisitor cv) { 91 cv.visitFieldInsn(opcode, owner, name, desc); 92 } 93 94 public int getType() { 95 return FIELD_INSN; 96 } 97 } 98
