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Java > Open Source Codes > org > logicalcobwebs > asm > tree > TryCatchBlockNode


1 /***
2  * ASM: a very small and fast Java bytecode manipulation framework
3  * Copyright (c) 2000,2002,2003 INRIA, France Telecom
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution.
14  * 3. Neither the name of the copyright holders nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28  * THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  * Contact: Eric.Bruneton@rd.francetelecom.com
31  *
32  * Author: Eric Bruneton
33  */
34
35 package org.logicalcobwebs.asm.tree;
36
37 import org.logicalcobwebs.asm.Label;
38 import org.logicalcobwebs.asm.CodeVisitor;
39
40 /**
41  * A node that represents a try catch block.
42  */
43
44 public class TryCatchBlockNode {
45
46   /**
47    * Beginning of the exception handler's scope (inclusive).
48    */
49
50   public Label start;
51
52   /**
53    * End of the exception handler's scope (exclusive).
54    */
55
56   public Label end;
57
58   /**
59    * Beginning of the exception handler's code.
60    */
61
62   public Label handler;
63
64   /**
65    * Internal name of the type of exceptions handled by the handler. May be
66    * <tt>null</tt> to catch any exceptions (for "finally" blocks).
67    */
68
69   public String JavaDoc type;
70
71   /**
72    * Constructs a new {@link TryCatchBlockNode TryCatchBlockNode} object.
73    *
74    * @param start beginning of the exception handler's scope (inclusive).
75    * @param end end of the exception handler's scope (exclusive).
76    * @param handler beginning of the exception handler's code.
77    * @param type internal name of the type of exceptions handled by the handler,
78    * or <tt>null</tt> to catch any exceptions (for "finally" blocks).
79    */
80
81   public TryCatchBlockNode (
82     final Label start,
83     final Label end,
84     final Label handler,
85     final String JavaDoc type)
86   {
87     this.start = start;
88     this.end = end;
89     this.handler = handler;
90     this.type = type;
91   }
92
93   /**
94    * Makes the given code visitor visit this try catch block.
95    *
96    * @param cv a code visitor.
97    */
98
99   public void accept (final CodeVisitor cv) {
100     cv.visitTryCatchBlock(start, end, handler, type);
101   }
102 }
103
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