    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 *  Unless required by applicable law or agreed to in writing, software
    012 *  distributed under the License is distributed on an "AS IS" BASIS,
    013 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 *  See the License for the specific language governing permissions and
    015 *  limitations under the License.
    016 */
    017package org.apache.bcel.generic;
    018
    019/**
    020 * SWAP - Swa top operand stack word
    021 *
    022 * <PRE>
    023 * Stack: ..., word2, word1 -&gt; ..., word1, word2
    024 * </PRE>
    025 */
    026public class SWAP extends StackInstruction implements StackConsumer, StackProducer {
    027
    028    public SWAP() {
    029        super(org.apache.bcel.Const.SWAP);
    030    }
    031
    032    /**
    033     * Call corresponding visitor method(s). The order is: Call visitor methods of implemented interfaces first, then call
    034     * methods according to the class hierarchy in descending order, i.e., the most specific visitXXX() call comes last.
    035     *
    036     * @param v Visitor object
    037     */
    038    @Override
    039    public void accept(final Visitor v) {
    040        v.visitStackConsumer(this);
    041        v.visitStackProducer(this);
    042        v.visitStackInstruction(this);
    043        v.visitSWAP(this);
    044    }
    045}