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Java > Open Source Codes > proguard > classfile > constant > FieldrefConstant


1 /*
2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
3  * of Java bytecode.
4  *
5  * Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
6  *
7  * This library 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 library 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 Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public License
18  * along with this library; if not, write to the Free Software Foundation,
19  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */
21 package proguard.classfile.constant;
22
23 import proguard.classfile.*;
24 import proguard.classfile.constant.visitor.ConstantVisitor;
25
26 /**
27  * This Constant represents a field reference constant in the constant pool.
28  *
29  * @author Eric Lafortune
30  */
31 public class FieldrefConstant extends RefConstant
32 {
33     /**
34      * Creates an uninitialized FieldrefConstant.
35      */
36     public FieldrefConstant()
37     {
38     }
39
40
41     /**
42      * Creates a new FieldrefConstant with the given name and type indices.
43      * @param u2classIndex the index of the class in the constant pool.
44      * @param u2nameAndTypeIndex the index of the name and type entry in the constant pool.
45      * @param referencedClass the referenced class.
46      * @param referencedMember the referenced member info.
47      */
48     public FieldrefConstant(int u2classIndex,
49                             int u2nameAndTypeIndex,
50                             Clazz referencedClass,
51                             Member referencedMember)
52     {
53         this.u2classIndex = u2classIndex;
54         this.u2nameAndTypeIndex = u2nameAndTypeIndex;
55         this.referencedClass = referencedClass;
56         this.referencedMember = referencedMember;
57     }
58
59
60     // Implementations for Constant.
61
62     public int getTag()
63     {
64         return ClassConstants.CONSTANT_Fieldref;
65     }
66
67     public void accept(Clazz clazz, ConstantVisitor constantVisitor)
68     {
69         constantVisitor.visitFieldrefConstant(clazz, this);
70     }
71 }
72
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