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Java > Open Source Codes > soot > jimple > toolkits > annotation > purity > PurityGlobalNode


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2005 Antoine Mine
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 /**
21  * Implementation of the paper "A Combined Pointer and Purity Analysis for
22  * Java Programs" by Alexandru Salcianu and Martin Rinard, within the
23  * Soot Optimization Framework.
24  *
25  * by Antoine Mine, 2005/01/24
26  */
27
28 package soot.jimple.toolkits.annotation.purity;
29
30 /**
31  * The GBL node.
32  */
33 public class PurityGlobalNode implements PurityNode
34 {
35     private PurityGlobalNode() {}
36
37     public static PurityGlobalNode node = new PurityGlobalNode();
38
39     public String JavaDoc toString()
40     { return "GBL"; }
41
42     public int hashCode()
43     { return 0; }
44     
45     public boolean equals(Object JavaDoc o)
46     { return o instanceof PurityGlobalNode; }
47     
48     public boolean isInside()
49     { return false; }
50
51     public boolean isLoad()
52     { return false; }
53
54     public boolean isParam()
55     { return false; }
56 }
57
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