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Java > Open Source Codes > soot > jimple > internal > AbstractDefinitionStmt


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 1999 Patrick Lam
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
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31 package soot.jimple.internal;
32
33 import soot.*;
34 import soot.jimple.*;
35 import soot.util.*;
36 import java.util.*;
37
38 abstract public class AbstractDefinitionStmt extends AbstractStmt
39     implements DefinitionStmt
40 {
41     ValueBox leftBox;
42     ValueBox rightBox;
43
44     List defBoxes;
45
46     public Value getLeftOp()
47     {
48         return leftBox.getValue();
49     }
50
51     public Value getRightOp()
52     {
53         return rightBox.getValue();
54     }
55
56     public ValueBox getLeftOpBox()
57     {
58         return leftBox;
59     }
60
61     public ValueBox getRightOpBox()
62     {
63         return rightBox;
64     }
65
66     public List getDefBoxes()
67     {
68         return defBoxes;
69     }
70
71     public List getUseBoxes()
72     {
73         List list = new ArrayList();
74
75         list.addAll(leftBox.getValue().getUseBoxes());
76         list.addAll(rightBox.getValue().getUseBoxes());
77         list.add(rightBox);
78         return list;
79     }
80
81     public boolean fallsThrough() { return true;}
82     public boolean branches() { return false;}
83 }
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