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Java > Open Source Codes > jode > expr > LocalLoadOperator


1 /* LocalLoadOperator Copyright (C) 1998-2002 Jochen Hoenicke.
2  *
3  * This program is free software; you can redistribute it and/or modify
4  * it under the terms of the GNU Lesser General Public License as published by
5  * the Free Software Foundation; either version 2, or (at your option)
6  * any later version.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program; see the file COPYING.LESSER. If not, write to
15  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
16  *
17  * $Id: LocalLoadOperator.java,v 4.17.2.1 2002/05/28 17:34:06 hoenicke Exp $
18  */
19
20 package jode.expr;
21 import jode.GlobalOptions;
22 import jode.type.Type;
23 import jode.decompiler.MethodAnalyzer;
24 import jode.decompiler.ClassAnalyzer;
25 import jode.decompiler.LocalInfo;
26 import jode.decompiler.TabbedPrintWriter;
27
28 public class LocalLoadOperator extends LocalVarOperator {
29
30     MethodAnalyzer methodAnalyzer;
31
32     public LocalLoadOperator(Type type, MethodAnalyzer methodAnalyzer,
33                  LocalInfo local) {
34         super(type, local);
35     this.methodAnalyzer = methodAnalyzer;
36     }
37
38     public boolean isRead() {
39         return true;
40     }
41
42     public boolean isWrite() {
43         return false;
44     }
45
46     public boolean isConstant() {
47         return false;
48     }
49
50     public void setMethodAnalyzer(MethodAnalyzer ma) {
51     methodAnalyzer = ma;
52     }
53
54     public boolean opEquals(Operator o) {
55         return (o instanceof LocalLoadOperator &&
56                 ((LocalLoadOperator) o).local.getSlot() == local.getSlot());
57     }
58
59     public Expression simplify() {
60     if (local.getExpression() != null)
61         return local.getExpression().simplify();
62     return super.simplify();
63     }
64 }
65
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