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Java > Open Source Codes > proguard > classfile > attribute > ExceptionsAttribute


1 /*
2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
3  * of Java bytecode.
4  *
5  * Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
6  *
7  * This library is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the Free
9  * Software Foundation; either version 2 of the License, or (at your option)
10  * any later version.
11  *
12  * This library is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public License
18  * along with this library; if not, write to the Free Software Foundation,
19  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */
21 package proguard.classfile.attribute;
22
23 import proguard.classfile.attribute.visitor.AttributeVisitor;
24 import proguard.classfile.*;
25 import proguard.classfile.constant.visitor.ConstantVisitor;
26
27 import java.io.*;
28
29 /**
30  * This Attribute represents an exceptions attribute.
31  *
32  * @author Eric Lafortune
33  */
34 public class ExceptionsAttribute extends Attribute
35 {
36     public int u2exceptionIndexTableLength;
37     public int[] u2exceptionIndexTable;
38
39
40     /**
41      * Creates an uninitialized ExceptionsAttribute.
42      */
43     public ExceptionsAttribute()
44     {
45     }
46
47
48     // Implementations for Attribute.
49
50     public void accept(Clazz clazz, Method method, AttributeVisitor attributeVisitor)
51     {
52         attributeVisitor.visitExceptionsAttribute(clazz, method, this);
53     }
54
55
56     /**
57      * Applies the given constant pool visitor to all exception class pool info
58      * entries.
59      */
60     public void exceptionEntriesAccept(ProgramClass programClass, ConstantVisitor constantVisitor)
61     {
62         for (int index = 0; index < u2exceptionIndexTableLength; index++)
63         {
64             programClass.constantPoolEntryAccept(u2exceptionIndexTable[index],
65                                                  constantVisitor);
66         }
67     }
68 }
69
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