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


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.*;
34
35 import soot.tagkit.*;
36 import soot.jimple.*;
37 import soot.baf.*;
38 import soot.jimple.*;
39 import soot.util.*;
40 import java.util.*;
41
42 public class JLengthExpr extends AbstractLengthExpr implements ConvertToBaf
43 {
44     public JLengthExpr(Value op) { super(Jimple.v().newImmediateBox(op)); }
45
46
47     public void convertToBaf(JimpleToBafContext context, List out)
48     {
49         ((ConvertToBaf)(getOp())).convertToBaf(context, out);
50     
51     Unit u;
52         out.add(u = Baf.v().newArrayLengthInst());
53
54     Unit currentUnit = context.getCurrentUnit();
55
56     Iterator it = currentUnit.getTags().iterator();
57     while(it.hasNext()) {
58         u.addTag((Tag) it.next());
59     }
60     }
61   
62
63   public Object JavaDoc clone()
64   {
65     return new JLengthExpr(Jimple.cloneIfNecessary(getOp()));
66   }
67
68 }
69
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