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.*;


  25 import com.sun.org.apache.bcel.internal.util.ByteSequence;
  26 
  27 /**
  28  * GOTO_W - Branch always (to relative offset, not absolute address)
  29  *
  30  * @author  <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
  31  */
  32 public class GOTO_W extends GotoInstruction {

  33   /**
  34    * Empty constructor needed for the Class.newInstance() statement in
  35    * Instruction.readInstruction(). Not to be used otherwise.
  36    */
  37   GOTO_W() {}


  38 
  39   public GOTO_W(InstructionHandle target) {
  40     super(com.sun.org.apache.bcel.internal.Constants.GOTO_W, target);
  41     length = 5;
  42   }
  43 

  44   /**
  45    * Dump instruction as byte code to stream out.
  46    * @param out Output stream
  47    */
  48   public void dump(DataOutputStream out) throws IOException {
  49     index = getTargetOffset();
  50     out.writeByte(opcode);
  51     out.writeInt(index);

  52   }
  53 

  54   /**
  55    * Read needed data (e.g. index) from file.
  56    */
  57   protected void initFromFile(ByteSequence bytes, boolean wide) throws IOException
  58   {
  59     index  = bytes.readInt();
  60     length = 5;
  61   }
  62 

  63   /**
  64    * Call corresponding visitor method(s). The order is:
  65    * Call visitor methods of implemented interfaces first, then
  66    * call methods according to the class hierarchy in descending order,
  67    * i.e., the most specific visitXXX() call comes last.
  68    *
  69    * @param v Visitor object
  70    */
  71   public void accept(Visitor v) {

  72     v.visitUnconditionalBranch(this);
  73     v.visitBranchInstruction(this);
  74     v.visitGotoInstruction(this);
  75     v.visitGOTO_W(this);
  76   }
  77 }

   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 }