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Java > Open Source Codes > soot > toolkits > scalar > LocalDefs


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 1997-1999 Raja Vallee-Rai
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  */
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31 package soot.toolkits.scalar;
32
33 import soot.*;
34 import soot.util.*;
35 import java.util.*;
36
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38
39
40 /**
41  * Provides an interface for querying for the definitions of a Local
42  * at a given Unit in a method.
43  */
44 public interface LocalDefs
45 {
46     /**
47      * Returns the definition sites for a Local at a certain
48      * point (Unit) in a method.
49      *
50      * @param l the Local in question.
51      * @param s a unit that specifies the method context (location)
52      * to query for the definitions of the Local.
53      * @return a list of Units where the local is defined in the current
54      * method context.
55      */
56     public List getDefsOfAt(Local l, Unit s);
57 }
58
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