01: /* Soot - a J*va Optimization Framework
02: * Copyright (C) 1997-1999 Raja Vallee-Rai
03: *
04: * This library is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License as published by the Free Software Foundation; either
07: * version 2.1 of the License, or (at your option) any later version.
08: *
09: * 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;
27:
28: import soot.util.*;
29: import java.util.*;
30: import java.io.*;
31:
32: /** Data used as, for instance, arguments to instructions; typical implementations are
33: * constants or expressions.
34: *
35: * Values are typed, clonable and must declare which other
36: * Values they use (contain). */
37: public interface Value extends Switchable, EquivTo, Serializable {
38: /** Returns a List of boxes corresponding to Values
39: * which are used by (ie contained within) this Value. */
40: public List getUseBoxes();
41:
42: /** Returns the Soot type of this Value. */
43: public Type getType();
44:
45: /** Returns a clone of this Value. */
46: public Object clone();
47:
48: public void toString(UnitPrinter up);
49: }
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