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 /**
  25  * DUP - Duplicate top operand stack word
  26  * <PRE>Stack: ..., word -&gt; ..., word, word</PRE>
  27  *
  28  * @version $Id: DUP.java 1747278 2016-06-07 17:28:43Z britter $
  29  */
  30 public class DUP extends StackInstruction implements PushInstruction {
  31 
  32     public DUP() {
  33         super(com.sun.org.apache.bcel.internal.Const.DUP);
  34     }
  35 
  36 
  37     /**
  38      * Call corresponding visitor method(s). The order is:
  39      * Call visitor methods of implemented interfaces first, then
  40      * call methods according to the class hierarchy in descending order,
  41      * i.e., the most specific visitXXX() call comes last.
  42      *
  43      * @param v Visitor object
  44      */
  45     @Override
  46     public void accept( final Visitor v ) {
  47         v.visitStackProducer(this);
  48         v.visitPushInstruction(this);
  49         v.visitStackInstruction(this);
  50         v.visitDUP(this);
  51     }
  52 }