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Java > Open Source Codes > soot > EscapeAnalysis


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2004 Ondrej Lhotak
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 package soot;
21 import soot.jimple.*;
22
23 /** A generic interface to an escape analysis.
24  * @author Ondrej Lhotak
25  */
26
27 public interface EscapeAnalysis {
28     /** Returns true if objects allocated at n may continue to be live
29      * after the method in which they are allocated returns. */
30     public boolean mayEscapeMethod( AnyNewExpr n );
31
32     /** Returns true if objects allocated at n in context c may
33      * continue to be live after the method in which they are allocated
34      * returns. */
35     public boolean mayEscapeMethod( Context c, AnyNewExpr n );
36
37     /** Returns true if objects allocated at n may be accessed in
38      * a thread other than the thread in which they were allocated. */
39     public boolean mayEscapeThread( AnyNewExpr n );
40
41     /** Returns true if objects allocated at n in context c may be
42      * accessed in a thread other than the thread in which they
43      * were allocated. */
44     public boolean mayEscapeThread( Context c, AnyNewExpr n );
45 }
46
47
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