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Java > Open Source Codes > soot > jimple > toolkits > annotation > arraycheck > Array2ndDimensionSymbol


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2000 Feng Qian
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  * Modified by the Sable Research Group and others 1997-1999.
22  * See the 'credits' file distributed with Soot for the complete list of
23  * contributors. (Soot is distributed at http://www.sable.mcgill.ca/soot)
24  */

25
26 package soot.jimple.toolkits.annotation.arraycheck;
27 import soot.*;
28 import java.util.*;
29
30 class Array2ndDimensionSymbol
31 {
32     private Object JavaDoc var;
33
34    
35     public static Array2ndDimensionSymbol v(Object JavaDoc which)
36     {
37     Array2ndDimensionSymbol tdal = (Array2ndDimensionSymbol)G.v().Array2ndDimensionSymbol_pool.get(which);
38     if (tdal == null)
39     {
40         tdal = new Array2ndDimensionSymbol(which);
41         G.v().Array2ndDimensionSymbol_pool.put(which, tdal);
42     }
43
44     return tdal;
45     }
46     
47     private Array2ndDimensionSymbol(Object JavaDoc which)
48     {
49     this.var = which;
50     }
51     
52     public Object JavaDoc getVar()
53     {
54     return this.var;
55     }
56
57     public int hashCode()
58     {
59     return var.hashCode()+1;
60     }
61
62     public boolean equals(Object JavaDoc other)
63     {
64     if (other instanceof Array2ndDimensionSymbol)
65     {
66         Array2ndDimensionSymbol another = (Array2ndDimensionSymbol)other;
67
68         return (this.var == another.var);
69     }
70     else
71         return false;
72     }
73
74     public String JavaDoc toString()
75     {
76     return var+"[";
77     }
78 }
79
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