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


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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30
31 package soot.jimple.internal;
32
33 import soot.baf.*;
34
35 import soot.tagkit.*;
36 import soot.jimple.*;
37 import soot.*;
38 import soot.jimple.*;
39 import soot.util.*;
40 import java.util.*;
41
42 public class JNopStmt extends AbstractStmt implements NopStmt
43 {
44     public JNopStmt()
45     {
46     }
47     
48
49     public Object JavaDoc clone()
50     {
51         return new JNopStmt();
52     }
53
54
55     public String JavaDoc toString()
56     {
57         return Jimple.v().NOP;
58     }
59     
60     public void toString(UnitPrinter up) {
61         up.literal(Jimple.v().NOP);
62     }
63     
64     public void apply(Switch sw)
65     {
66         ((StmtSwitch) sw).caseNopStmt(this);
67     }
68     
69     public void convertToBaf(JimpleToBafContext context, List out)
70     {
71     Unit u;
72         out.add(u = Baf.v().newNopInst());
73
74     Unit currentUnit = this;
75
76     Iterator it = currentUnit.getTags().iterator();
77     while(it.hasNext()) {
78         u.addTag((Tag) it.next());
79     }
80     }
81
82
83     public boolean fallsThrough(){return true;}
84     public boolean branches(){return false;}
85
86 }
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