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


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.jimple.*;
35 import soot.util.*;
36 import java.util.*;
37
38 public class BPushInst extends AbstractInst implements PushInst
39 {
40     private Constant constant;
41     
42     public BPushInst(Constant c)
43     {
44         this.constant = c;
45     }
46
47
48     public Object JavaDoc clone()
49     {
50         return new BPushInst(getConstant());
51     }
52
53
54     final public String JavaDoc getName() { return "push"; }
55     final String JavaDoc getParameters()
56     {
57         return " "+constant.toString();
58     }
59
60     protected void getParameters( UnitPrinter up ) {
61         up.literal(" ");
62         up.constant(constant);
63     }
64
65     public int getInCount()
66     {
67         return 0;
68     }
69
70     public int getInMachineCount()
71     {
72         return 0;
73     }
74     
75     public int getOutCount()
76     {
77         return 1;
78     }
79
80     public int getOutMachineCount()
81     {
82         if(constant instanceof LongConstant || constant instanceof DoubleConstant)
83             return 2;
84         else
85             return 1;
86     }
87
88
89     public void apply(Switch sw)
90     {
91         ((InstSwitch) sw).casePushInst(this);
92     }
93     
94     public Constant getConstant()
95     {
96         return constant;
97     }
98     
99     public void setConstant(Constant c)
100     {
101         this.constant = c;
102     }
103 }
104
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