1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu)
6 *
7 * This program 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 program 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 General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21package proguard.classfile.attribute;
22
23import proguard.classfile.*;
24import proguard.classfile.attribute.visitor.AttributeVisitor;
25import proguard.classfile.constant.visitor.ConstantVisitor;
26
27/**
28 * This Attribute represents an exceptions attribute.
29 *
30 * @author Eric Lafortune
31 */
32public class ExceptionsAttribute extends Attribute
33{
34    public int   u2exceptionIndexTableLength;
35    public int[] u2exceptionIndexTable;
36
37
38    /**
39     * Creates an uninitialized ExceptionsAttribute.
40     */
41    public ExceptionsAttribute()
42    {
43    }
44
45
46    /**
47     * Creates an initialized ExceptionsAttribute.
48     */
49    public ExceptionsAttribute(int   u2attributeNameIndex,
50                               int   u2exceptionIndexTableLength,
51                               int[] u2exceptionIndexTable)
52    {
53        super(u2attributeNameIndex);
54
55        this.u2exceptionIndexTableLength = u2exceptionIndexTableLength;
56        this.u2exceptionIndexTable       = u2exceptionIndexTable;
57    }
58
59
60    // Implementations for Attribute.
61
62    public void accept(Clazz clazz, Method method, AttributeVisitor attributeVisitor)
63    {
64        attributeVisitor.visitExceptionsAttribute(clazz, method, this);
65    }
66
67
68    /**
69     * Applies the given constant pool visitor to all exception class pool info
70     * entries.
71     */
72    public void exceptionEntriesAccept(Clazz clazz, ConstantVisitor constantVisitor)
73    {
74        for (int index = 0; index < u2exceptionIndexTableLength; index++)
75        {
76            clazz.constantPoolEntryAccept(u2exceptionIndexTable[index],
77                                          constantVisitor);
78        }
79    }
80}
81