1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2014 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.*;
25
26/**
27 * This Attribute represents a local variable table attribute.
28 *
29 * @author Eric Lafortune
30 */
31public class LocalVariableTableAttribute extends Attribute
32{
33    public int                 u2localVariableTableLength;
34    public LocalVariableInfo[] localVariableTable;
35
36
37    /**
38     * Creates an uninitialized LocalVariableTableAttribute.
39     */
40    public LocalVariableTableAttribute()
41    {
42    }
43
44
45    /**
46     * Creates an initialized LocalVariableTableAttribute.
47     */
48    public LocalVariableTableAttribute(int                 u2attributeNameIndex,
49                                       int                 u2localVariableTableLength,
50                                       LocalVariableInfo[] localVariableTable)
51    {
52        super(u2attributeNameIndex);
53
54        this.u2localVariableTableLength = u2localVariableTableLength;
55        this.localVariableTable         = localVariableTable;
56    }
57
58
59    // Implementations for Attribute.
60
61    public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, AttributeVisitor attributeVisitor)
62    {
63        attributeVisitor.visitLocalVariableTableAttribute(clazz, method, codeAttribute, this);
64    }
65
66
67    /**
68     * Applies the given visitor to all local variables.
69     */
70    public void localVariablesAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableInfoVisitor localVariableInfoVisitor)
71    {
72        for (int index = 0; index < u2localVariableTableLength; index++)
73        {
74            // We don't need double dispatching here, since there is only one
75            // type of LocalVariableInfo.
76            localVariableInfoVisitor.visitLocalVariableInfo(clazz, method, codeAttribute, localVariableTable[index]);
77        }
78    }
79}
80