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Java > Open Source Codes > soot > dava > internal > AST > ASTUnaryCondition


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2005 Nomair A. Naeem
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.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
42     public String JavaDoc toString(){
43     return value.toString();
44     }
45
46     public void toString(UnitPrinter up){
47     value.toString(up);
48     }
49
50     
51     public void flip(){
52     /*
53       Since its a unarycondition we know this is a flag
54       See if its a DNotExpr if yes set this.value to the op inside DNotExpr
55       If it is NOT a DNotExpr make one
56     */
57     if(value instanceof DNotExpr){
58         this.value=((DNotExpr)value).getOp();
59     }
60     else{
61         this.value=new DNotExpr(value);
62     }
63     }
64 }
65
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