01: /* Soot - a J*va Optimization Framework
02: * Copyright (C) 2005 Nomair A. Naeem
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: package soot.dava.internal.AST;
21:
22: import soot.*;
23: import soot.dava.internal.javaRep.*;
24: import soot.dava.toolkits.base.AST.analysis.*;
25:
26: public class ASTUnaryCondition extends ASTUnaryBinaryCondition {
27: Value value;
28:
29: public ASTUnaryCondition(Value value) {
30: this .value = value;
31: }
32:
33: public void apply(Analysis a) {
34: a.caseASTUnaryCondition(this );
35: }
36:
37: public Value getValue() {
38: return value;
39: }
40:
41: public void setValue(Value value) {
42: this .value = value;
43: }
44:
45: public String toString() {
46: return value.toString();
47: }
48:
49: public void toString(UnitPrinter up) {
50: value.toString(up);
51: }
52:
53: public void flip() {
54: /*
55: Since its a unarycondition we know this is a flag
56: See if its a DNotExpr if yes set this.value to the op inside DNotExpr
57: If it is NOT a DNotExpr make one
58: */
59: if (value instanceof DNotExpr) {
60: this .value = ((DNotExpr) value).getOp();
61: } else {
62: this .value = new DNotExpr(value);
63: }
64: }
65:
66: public boolean isNotted() {
67: return (value instanceof DNotExpr);
68: }
69: }
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