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  */
18 package org.apache.bcel.generic;
19 
20 import org.apache.bcel.ExceptionConst;
21 
22 /**
23  * ATHROW -  Throw exception
24  * <PRE>Stack: ..., objectref -&gt; objectref</PRE>
25  *
26  * @version $Id$
27  */
28 public class ATHROW extends Instruction implements UnconditionalBranch, ExceptionThrower {
29 
30     /**
31      *  Throw exception
32      */
ATHROW()33     public ATHROW() {
34         super(org.apache.bcel.Const.ATHROW, (short) 1);
35     }
36 
37 
38     /** @return exceptions this instruction may cause
39      */
40     @Override
getExceptions()41     public Class<?>[] getExceptions() {
42         return new Class[] {
43             ExceptionConst.THROWABLE
44         };
45     }
46 
47 
48     /**
49      * Call corresponding visitor method(s). The order is:
50      * Call visitor methods of implemented interfaces first, then
51      * call methods according to the class hierarchy in descending order,
52      * i.e., the most specific visitXXX() call comes last.
53      *
54      * @param v Visitor object
55      */
56     @Override
accept( final Visitor v )57     public void accept( final Visitor v ) {
58         v.visitUnconditionalBranch(this);
59         v.visitExceptionThrower(this);
60         v.visitATHROW(this);
61     }
62 }
63