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Java > Open Source Codes > soot > dava > internal > javaRep > DVirtualInvokeExpr


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2003 Jerome Miecznikowski
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 package soot.dava.internal.javaRep;
22
23 import soot.*;
24 import java.util.*;
25 import soot.grimp.*;
26 import soot.grimp.internal.*;
27
28 public class DVirtualInvokeExpr extends GVirtualInvokeExpr
29 {
30     private HashSet thisLocals;
31
32     public DVirtualInvokeExpr( Value base, SootMethodRef methodRef, java.util.List JavaDoc args, HashSet thisLocals)
33     {
34     super( base, methodRef, args);
35
36     this.thisLocals = thisLocals;
37     }
38
39     public void toString( UnitPrinter up ) {
40     if (getBase().getType() instanceof NullType) {
41         // OL: I don't know what this is for; I'm just refactoring the
42 // original code. An explanation here would be welcome.
43 up.literal( "((" );
44             up.type( methodRef.declaringClass().getType() );
45             up.literal( ") " );
46         
47             if( PrecedenceTest.needsBrackets( baseBox, this ) ) up.literal("(");
48             baseBox.toString( up );
49             if( PrecedenceTest.needsBrackets( baseBox, this ) ) up.literal(")");
50
51         up.literal( ")" );
52             up.literal( "." );
53
54             up.methodRef( methodRef );
55             up.literal( "(" );
56
57         for (int i=0; i<argBoxes.length; i++) {
58         if(i != 0)
59                     up.literal( ", " );
60         
61                 argBoxes[i].toString(up);
62         }
63
64             up.literal( ")" );
65     } else {
66             super.toString( up );
67         }
68     }
69
70
71     public String JavaDoc toString()
72     {
73     if (getBase().getType() instanceof NullType) {
74         StringBuffer JavaDoc b = new StringBuffer JavaDoc();
75
76         b.append( "((");
77         b.append( methodRef.declaringClass().getJavaStyleName());
78         b.append( ") ");
79         
80         String JavaDoc baseStr = ( getBase()).toString();
81         if ((getBase() instanceof Precedence) && ( ((Precedence) getBase()).getPrecedence() < getPrecedence()))
82         baseStr = "(" + baseStr + ")";
83
84         b.append( baseStr);
85         b.append( ").");
86
87         b.append( methodRef.name());
88         b.append( "(");
89
90         for (int i=0; i<argBoxes.length; i++) {
91         if(i != 0)
92             b.append(", ");
93         
94         b.append( ( argBoxes[i].getValue()).toString());
95         }
96
97         b.append(")");
98
99         return b.toString();
100     }
101
102     return super.toString();
103     }
104
105     public Object JavaDoc clone()
106     {
107         ArrayList clonedArgs = new ArrayList( getArgCount());
108
109         for(int i = 0; i < getArgCount(); i++)
110             clonedArgs.add(i, Grimp.cloneIfNecessary(getArg(i)));
111         
112         return new DVirtualInvokeExpr(Grimp.cloneIfNecessary(getBase()), methodRef, clonedArgs, thisLocals);
113     }
114 }
115
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