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 *
017 */
018package org.apache.bcel.generic;
019
020import org.apache.bcel.ExceptionConst;
021
022/**
023 * ATHROW -  Throw exception
024 * <PRE>Stack: ..., objectref -&gt; objectref</PRE>
025 *
026 */
027public class ATHROW extends Instruction implements UnconditionalBranch, ExceptionThrower {
028
029    /**
030     *  Throw exception
031     */
032    public ATHROW() {
033        super(org.apache.bcel.Const.ATHROW, (short) 1);
034    }
035
036
037    /** @return exceptions this instruction may cause
038     */
039    @Override
040    public Class<?>[] getExceptions() {
041        return new Class[] {
042            ExceptionConst.THROWABLE
043        };
044    }
045
046
047    /**
048     * Call corresponding visitor method(s). The order is:
049     * Call visitor methods of implemented interfaces first, then
050     * call methods according to the class hierarchy in descending order,
051     * i.e., the most specific visitXXX() call comes last.
052     *
053     * @param v Visitor object
054     */
055    @Override
056    public void accept( final Visitor v ) {
057        v.visitUnconditionalBranch(this);
058        v.visitExceptionThrower(this);
059        v.visitATHROW(this);
060    }
061}