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


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.jimple.*;
38 import soot.grimp.*;
39 import soot.jimple.internal.*;
40 import soot.util.*;
41 import java.util.*;
42
43 public class GVirtualInvokeExpr extends AbstractVirtualInvokeExpr
44     implements Precedence
45 {
46     public GVirtualInvokeExpr(Value base, SootMethodRef methodRef, List args)
47     {
48         super(Grimp.v().newObjExprBox(base), methodRef,
49               new ValueBox[args.size()]);
50
51         for(int i = 0; i < args.size(); i++)
52             this.argBoxes[i] = Grimp.v().newExprBox((Value) args.get(i));
53     }
54
55
56     public int getPrecedence() { return 950; }
57
58     private String JavaDoc toString(Value op, String JavaDoc opString, String JavaDoc rightString)
59     {
60         String JavaDoc leftOp = opString;
61     
62         if (getBase() instanceof Precedence &&
63             ((Precedence)getBase()).getPrecedence() < getPrecedence())
64             leftOp = "(" + leftOp + ")";
65         return leftOp + rightString;
66     }
67
68     public String JavaDoc toString()
69     {
70         StringBuffer JavaDoc buffer = new StringBuffer JavaDoc();
71
72         buffer.append("." + methodRef.getSignature() + "(");
73
74         for(int i = 0; i < argBoxes.length; i++)
75         {
76             if(i != 0)
77                 buffer.append(", ");
78
79             buffer.append(argBoxes[i].getValue().toString());
80         }
81
82         buffer.append(")");
83
84         return toString(getBase(), getBase().toString(),
85                         buffer.toString());
86     }
87
88     public void toString(UnitPrinter up)
89     {
90         if( PrecedenceTest.needsBrackets( baseBox, this ) ) up.literal("(");
91         baseBox.toString(up);
92         if( PrecedenceTest.needsBrackets( baseBox, this ) ) up.literal(")");
93         up.literal(".");
94         up.methodRef(methodRef);
95         up.literal("(");
96
97         for(int i = 0; i < argBoxes.length; i++)
98         {
99             if(i != 0)
100                 up.literal(", ");
101
102             argBoxes[i].toString(up);
103         }
104
105         up.literal(")");
106     }
107
108     
109     public Object JavaDoc clone()
110     {
111         ArrayList clonedArgs = new ArrayList(getArgCount());
112
113         for(int i = 0; i < getArgCount(); i++) {
114             clonedArgs.add(i, Grimp.cloneIfNecessary(getArg(i)));
115         }
116         
117         return new GVirtualInvokeExpr(Grimp.cloneIfNecessary(getBase()), methodRef,
118             clonedArgs);
119     }
120
121 }
122
123
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