1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22 package com.sun.org.apache.bcel.internal.generic; 23 24 import java.io.DataOutputStream; 25 import java.io.IOException; 26 27 import com.sun.org.apache.bcel.internal.util.ByteSequence; 28 29 /** 30 * GOTO_W - Branch always (to relative offset, not absolute address) 31 * 32 * @version $Id: GOTO_W.java 1747278 2016-06-07 17:28:43Z britter $ 33 */ 34 public class GOTO_W extends GotoInstruction { 35 36 /** 37 * Empty constructor needed for the Class.newInstance() statement in 38 * Instruction.readInstruction(). Not to be used otherwise. 39 */ 40 GOTO_W() { 41 } 42 43 44 public GOTO_W(final InstructionHandle target) { 45 super(com.sun.org.apache.bcel.internal.Const.GOTO_W, target); 46 super.setLength(5); 47 } 48 49 50 /** 51 * Dump instruction as byte code to stream out. 52 * @param out Output stream 53 */ 54 @Override 55 public void dump( final DataOutputStream out ) throws IOException { 56 super.setIndex(getTargetOffset()); 57 out.writeByte(super.getOpcode()); 58 out.writeInt(super.getIndex()); 59 } 60 61 62 /** 63 * Read needed data (e.g. index) from file. 64 */ 65 @Override 66 protected void initFromFile( final ByteSequence bytes, final boolean wide ) throws IOException { 67 super.setIndex(bytes.readInt()); 68 super.setLength(5); 69 } 70 71 72 /** 73 * Call corresponding visitor method(s). The order is: 74 * Call visitor methods of implemented interfaces first, then 75 * call methods according to the class hierarchy in descending order, 76 * i.e., the most specific visitXXX() call comes last. 77 * 78 * @param v Visitor object 79 */ 80 @Override 81 public void accept( final Visitor v ) { 82 v.visitUnconditionalBranch(this); 83 v.visitBranchInstruction(this); 84 v.visitGotoInstruction(this); 85 v.visitGOTO_W(this); 86 } 87 }