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Java > Open Source Codes > soot > baf > internal > BFieldGetInst


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 1999 Patrick Lam, Patrick Pominville and Raja Vallee-Rai
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 /*
21  * Modified by the Sable Research Group and others 1997-1999.
22  * See the 'credits' file distributed with Soot for the complete list of
23  * contributors. (Soot is distributed at http://www.sable.mcgill.ca/soot)
24  */
25
26
27
28
29
30 package soot.baf.internal;
31
32 import soot.*;
33 import soot.baf.*;
34 import soot.baf.*;
35 import soot.util.*;
36 import java.util.*;
37
38 public class BFieldGetInst extends AbstractInst implements FieldGetInst
39 {
40     SootFieldRef fieldRef;
41
42     public BFieldGetInst(SootFieldRef fieldRef)
43     {
44         if( fieldRef.isStatic() ) throw new RuntimeException JavaDoc("wrong static-ness");
45         this.fieldRef = fieldRef;
46     }
47
48     public int getInCount()
49     {
50         return 1;
51     }
52
53
54     public Object JavaDoc clone()
55     {
56         return new BFieldGetInst(fieldRef);
57     }
58
59     public int getInMachineCount()
60     {
61         return 1;
62     }
63     
64     public int getOutCount()
65     {
66         return 1;
67     }
68
69     public int getOutMachineCount()
70     {
71         return JasminClass.sizeOfType(fieldRef.type());
72     }
73     
74
75     final public String JavaDoc getName() { return "fieldget"; }
76     final String JavaDoc getParameters()
77     {
78         return " " + fieldRef.getSignature();
79     }
80     protected void getParameters(UnitPrinter up) {
81         up.literal(" ");
82         up.fieldRef(fieldRef);
83     }
84     
85     public SootFieldRef getFieldRef() { return fieldRef; }
86     public SootField getField() { return fieldRef.resolve(); }
87     
88     public void apply(Switch sw)
89     {
90         ((InstSwitch) sw).caseFieldGetInst(this);
91     }
92     public boolean containsFieldRef() { return true; }
93 }
94
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