LocalVariableInfo.java revision db267bc191f906f55eaef21a27110cce2ec57fdf
1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2009 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.Clazz;
24import proguard.classfile.visitor.ClassVisitor;
25
26/**
27 * Representation of an Local Variable table entry.
28 *
29 * @author Eric Lafortune
30 */
31public class LocalVariableInfo
32{
33    public int u2startPC;
34    public int u2length;
35    public int u2nameIndex;
36    public int u2descriptorIndex;
37    public int u2index;
38
39    /**
40     * An extra field pointing to the referenced Clazz object.
41     * This field is typically filled out by the <code>{@link
42     * proguard.classfile.util.ClassReferenceInitializer
43     * ClassReferenceInitializer}</code>.
44     */
45    public Clazz referencedClass;
46
47
48    /**
49     * Creates an uninitialized LocalVariableInfo.
50     */
51    public LocalVariableInfo()
52    {
53    }
54
55
56    /**
57     * Creates an initialized LocalVariableInfo.
58     */
59    public LocalVariableInfo(int   u2startPC,
60                             int   u2length,
61                             int   u2nameIndex,
62                             int   u2descriptorIndex,
63                             int   u2index)
64    {
65        this.u2startPC         = u2startPC;
66        this.u2length          = u2length;
67        this.u2nameIndex       = u2nameIndex;
68        this.u2descriptorIndex = u2descriptorIndex;
69        this.u2index           = u2index;
70    }
71
72
73    /**
74     * Lets the referenced class accept the given visitor.
75     */
76    public void referencedClassAccept(ClassVisitor classVisitor)
77    {
78        if (referencedClass != null)
79        {
80            referencedClass.accept(classVisitor);
81        }
82    }
83}
84