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Java > Open Source Codes > soot > grimp > internal > GInstanceFieldRef


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 1999 Patrick Lam
3  * Copyright (C) 2004 Ondrej Lhotak
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18  * Boston, MA 02111-1307, USA.
19  */
20
21 /*
22  * Modified by the Sable Research Group and others 1997-1999.
23  * See the 'credits' file distributed with Soot for the complete list of
24  * contributors. (Soot is distributed at http://www.sable.mcgill.ca/soot)
25  */
26
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30
31
32 package soot.grimp.internal;
33
34 import soot.*;
35 import soot.grimp.*;
36 import soot.jimple.internal.*;
37 import soot.util.*;
38 import java.util.*;
39 import soot.jimple.*;
40 import soot.grimp.*;
41 import soot.jimple.internal.*;
42
43 public class GInstanceFieldRef extends AbstractInstanceFieldRef
44     implements Precedence
45 {
46     public GInstanceFieldRef(Value base, SootFieldRef fieldRef)
47     {
48         super(Grimp.v().newObjExprBox(base), fieldRef);
49     }
50
51     private String JavaDoc toString(Value op, String JavaDoc opString, String JavaDoc rightString)
52     {
53         String JavaDoc leftOp = opString;
54
55         if (op instanceof Precedence &&
56             ((Precedence)op).getPrecedence() < getPrecedence())
57             leftOp = "(" + leftOp + ")";
58         return leftOp + rightString;
59     }
60
61     public String JavaDoc toString()
62     {
63         return toString(getBase(), getBase().toString(),
64                         "." + fieldRef.getSignature());
65     }
66
67     public int getPrecedence()
68     {
69         return 950;
70     }
71     
72     public Object JavaDoc clone()
73     {
74         return new GInstanceFieldRef(Grimp.cloneIfNecessary(getBase()),
75             fieldRef);
76     }
77
78     
79 }
80
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