ProgramMethod.java revision b9cc48a43ed984587c939d02fba5316bf5c0df6e 
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;
22
23import proguard.classfile.attribute.visitor.AttributeVisitor;
24import proguard.classfile.attribute.Attribute;
25import proguard.classfile.visitor.*;
26
27/**
28 * Representation of a method from a program class.
29 *
30 * @author Eric Lafortune
31 */
32public class ProgramMethod extends ProgramMember implements Method
33{
34    /**
35     * An extra field pointing to the Clazz objects referenced in the
36     * descriptor string. This field is filled out by the <code>{@link
37     * proguard.classfile.util.ClassReferenceInitializer ClassReferenceInitializer}</code>.
38     * References to primitive types are ignored.
39     */
40    public Clazz[] referencedClasses;
41
42
43    /**
44     * Creates an uninitialized ProgramMethod.
45     */
46    public ProgramMethod()
47    {
48    }
49
50
51    /**
52     * Creates an initialized ProgramMethod.
53     */
54    public ProgramMethod(int         u2accessFlags,
55                         int         u2nameIndex,
56                         int         u2descriptorIndex,
57                         int         u2attributesCount,
58                         Attribute[] attributes,
59                         Clazz[]     referencedClasses)
60    {
61        super(u2accessFlags, u2nameIndex, u2descriptorIndex, u2attributesCount, attributes);
62
63        this.referencedClasses = referencedClasses;
64    }
65
66
67    // Implementations for ProgramMember.
68
69    public void accept(ProgramClass programClass, MemberVisitor memberVisitor)
70    {
71        memberVisitor.visitProgramMethod(programClass, this);
72    }
73
74
75    public void attributesAccept(ProgramClass programClass, AttributeVisitor attributeVisitor)
76    {
77        for (int index = 0; index < u2attributesCount; index++)
78        {
79            attributes[index].accept(programClass, this, attributeVisitor);
80        }
81    }
82
83
84    // Implementations for Member.
85
86    public void referencedClassesAccept(ClassVisitor classVisitor)
87    {
88        if (referencedClasses != null)
89        {
90            for (int index = 0; index < referencedClasses.length; index++)
91            {
92                if (referencedClasses[index] != null)
93                {
94                    referencedClasses[index].accept(classVisitor);
95                }
96            }
97        }
98    }
99}
100