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1   /*
2    * Copyright  2000-2004 The Apache Software Foundation
3    *
4    *  Licensed under the Apache License, Version 2.0 (the "License"); 
5    *  you may not use this file except in compliance with the License.
6    *  You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *  Unless required by applicable law or agreed to in writing, software
11   *  distributed under the License is distributed on an "AS IS" BASIS,
12   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *  See the License for the specific language governing permissions and
14   *  limitations under the License. 
15   *
16   */
17  package org.apache.bcel.generic;
18  
19  /*** 
20   * ATHROW -  Throw exception
21   * <PRE>Stack: ..., objectref -&gt; objectref</PRE>
22   *
23   * @version $Id: ATHROW.java 386056 2006-03-15 11:31:56Z tcurdt $
24   * @author  <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
25   */
26  public class ATHROW extends Instruction implements UnconditionalBranch, ExceptionThrower {
27  
28      /*** 
29       *  Throw exception
30       */
31      public ATHROW() {
32          super(org.apache.bcel.Constants.ATHROW, (short) 1);
33      }
34  
35  
36      /*** @return exceptions this instruction may cause
37       */
38      public Class[] getExceptions() {
39          return new Class[] {
40              org.apache.bcel.ExceptionConstants.THROWABLE
41          };
42      }
43  
44  
45      /***
46       * Call corresponding visitor method(s). The order is:
47       * Call visitor methods of implemented interfaces first, then
48       * call methods according to the class hierarchy in descending order,
49       * i.e., the most specific visitXXX() call comes last.
50       *
51       * @param v Visitor object
52       */
53      public void accept( Visitor v ) {
54          v.visitUnconditionalBranch(this);
55          v.visitExceptionThrower(this);
56          v.visitATHROW(this);
57      }
58  }