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Java > Open Source Codes > soot > jimple > internal > JEnterMonitorStmt


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 1999 Patrick Lam
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
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29
30
31 package soot.jimple.internal;
32
33
34 import soot.tagkit.*;
35 import soot.*;
36 import soot.jimple.*;
37 import soot.baf.*;
38 import soot.jimple.*;
39 import soot.util.*;
40 import java.util.*;
41
42 public class JEnterMonitorStmt extends AbstractStmt
43     implements EnterMonitorStmt
44 {
45     ValueBox opBox;
46
47     public JEnterMonitorStmt(Value op)
48     {
49         this(Jimple.v().newImmediateBox(op));
50     }
51
52     protected JEnterMonitorStmt(ValueBox opBox)
53     {
54         this.opBox = opBox;
55     }
56
57     public Object JavaDoc clone()
58     {
59         return new JEnterMonitorStmt(Jimple.cloneIfNecessary(getOp()));
60     }
61
62     public String JavaDoc toString()
63     {
64         return Jimple.v().ENTERMONITOR + " " + opBox.getValue().toString();
65     }
66     
67     public void toString(UnitPrinter up) {
68         up.literal(Jimple.v().ENTERMONITOR);
69         up.literal(" ");
70         opBox.toString(up);
71     }
72     
73     public Value getOp()
74     {
75         return opBox.getValue();
76     }
77
78     public void setOp(Value op)
79     {
80         opBox.setValue(op);
81     }
82
83     public ValueBox getOpBox()
84     {
85         return opBox;
86     }
87
88     public List getUseBoxes()
89     {
90         List list = new ArrayList();
91
92         list.addAll(opBox.getValue().getUseBoxes());
93         list.add(opBox);
94
95         return list;
96     }
97
98     public void apply(Switch sw)
99     {
100         ((StmtSwitch) sw).caseEnterMonitorStmt(this);
101
102     }
103     
104     public void convertToBaf(JimpleToBafContext context, List out)
105     {
106         ((ConvertToBaf)(getOp())).convertToBaf(context, out);
107     Unit u;
108         out.add(u = Baf.v().newEnterMonitorInst());
109
110     Unit currentUnit = this;
111
112     Iterator it = currentUnit.getTags().iterator();
113     while(it.hasNext()) {
114         u.addTag((Tag) it.next());
115     }
116
117     }
118   
119     
120     
121   public boolean fallsThrough(){return true;}
122   public boolean branches() { return false;}
123   
124 }
125
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