View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  package org.apache.bcel.generic;
18  
19  /**
20   * DUP2_X1 - Duplicate two top operand stack words and put three down
21   *
22   * <PRE>
23   * Stack: ..., word3, word2, word1 -&gt; ..., word2, word1, word3, word2, word1
24   * </PRE>
25   */
26  public class DUP2_X1 extends StackInstruction {
27  
28      public DUP2_X1() {
29          super(org.apache.bcel.Const.DUP2_X1);
30      }
31  
32      /**
33       * Call corresponding visitor method(s). The order is: Call visitor methods of implemented interfaces first, then call
34       * methods according to the class hierarchy in descending order, i.e., the most specific visitXXX() call comes last.
35       *
36       * @param v Visitor object
37       */
38      @Override
39      public void accept(final Visitor v) {
40          v.visitStackInstruction(this);
41          v.visitDUP2_X1(this);
42      }
43  }