BootstrapMethodInfo.java revision 2270795fbe0b277bfd49f40950ecaa78583175cc 
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.constant.visitor.ConstantVisitor;
25
26/**
27 * Representation of a bootstrap method.
28 *
29 * @author Eric Lafortune
30 */
31public class BootstrapMethodInfo implements VisitorAccepter
32{
33    public int   u2methodHandleIndex;
34    public int   u2methodArgumentCount;
35    public int[] u2methodArguments;
36
37    /**
38     * An extra field in which visitors can store information.
39     */
40    public Object visitorInfo;
41
42
43    /**
44     * Creates an uninitialized BootstrapMethodInfo.
45     */
46    public BootstrapMethodInfo()
47    {
48    }
49
50
51    /**
52     * Creates an initialized BootstrapMethodInfo.
53     */
54    public BootstrapMethodInfo(int   u2methodHandleIndex,
55                               int   u2methodArgumentCount,
56                               int[] u2methodArguments)
57    {
58        this.u2methodHandleIndex   = u2methodHandleIndex;
59        this.u2methodArgumentCount = u2methodArgumentCount;
60        this.u2methodArguments     = u2methodArguments;
61    }
62
63
64    /**
65     * Applies the given constant pool visitor to the argument constants of the
66     * bootstrap method.
67     */
68    public void methodArgumentsAccept(Clazz clazz, ConstantVisitor constantVisitor)
69    {
70        for (int index = 0; index < u2methodArgumentCount; index++)
71        {
72            clazz.constantPoolEntryAccept(u2methodArguments[index],
73                                          constantVisitor);
74        }
75    }
76
77
78    // Implementations for VisitorAccepter.
79
80    public Object getVisitorInfo()
81    {
82        return visitorInfo;
83    }
84
85    public void setVisitorInfo(Object visitorInfo)
86    {
87        this.visitorInfo = visitorInfo;
88    }
89}
90