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


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 BLoadInst extends AbstractOpTypeInst implements LoadInst
39 {
40     ValueBox localBox;
41     List useBoxes;
42     
43        
44     public BLoadInst(Type opType, Local local)
45     {
46         super(opType);
47         localBox = new BafLocalBox(local);
48         useBoxes = new ArrayList();
49         useBoxes.add(localBox);
50         useBoxes = Collections.unmodifiableList(useBoxes);
51     }
52
53     public int getInCount()
54     {
55         return 0;
56     }
57
58     public Object JavaDoc clone()
59     {
60         return new BLoadInst(getOpType(), getLocal());
61     }
62
63     public int getInMachineCount()
64     {
65         return 0;
66     }
67     
68     public int getOutCount()
69     {
70         return 1;
71     }
72
73     
74        
75
76
77     final public String JavaDoc getName() { return "load"; }
78     final String JavaDoc getParameters()
79     { return " "+ localBox.getValue().toString(); }
80     protected void getParameters( UnitPrinter up ) {
81         up.literal(" ");
82         localBox.toString(up);
83     }
84     
85     public void apply(Switch sw)
86     {
87         ((InstSwitch) sw).caseLoadInst(this);
88     }
89  
90     public void setLocal(Local l)
91     {
92         localBox.setValue(l);
93     }
94     
95     public Local getLocal()
96     {
97         return (Local) localBox.getValue();
98     }
99
100     public List getUseBoxes()
101     {
102         return useBoxes;
103     }
104
105     
106     
107
108 }
109
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