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


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  */
25
26
27 package soot.toolkits.scalar;
28
29 import soot.*;
30 import soot.util.*;
31 import java.util.*;
32
33 /**
34  * Represents bounded information for flow analysis.
35  * Just like FlowSet, but also provides complementation.
36  * Some implementations of BoundedFlowSet may require a FlowUniverse for construction.
37  *
38  * @see: FlowUniverse
39  */
40 public interface BoundedFlowSet extends FlowSet
41 {
42     /**
43      * Complements <code>this</code>.
44      */
45     public void complement();
46
47     /**
48      * Complements this BoundedFlowSet, putting the result into
49      * <code>dest</code>. <code>dest</code> and <code>this</code> may be the
50      * same object.
51      */
52     public void complement(FlowSet dest);
53
54     /**
55      * returns the topped set.
56      */
57     public Object JavaDoc topSet();
58
59     /** Returns elements [low..high] of this BoundedFlowSet. (optional
60      * operation) */
61   /*
62     public List toList(int low, int high) throws UnsupportedOperationException;
63   */
64 }
65
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