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Java > Open Source Codes > jode > expr > ArrayStoreOperator


1 /* ArrayStoreOperator 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: ArrayStoreOperator.java,v 4.10.2.2 2002/05/28 17:34:05 hoenicke Exp $
18  */
19
20 package jode.expr;
21 import jode.type.Type;
22 import jode.type.ArrayType;
23 import jode.decompiler.TabbedPrintWriter;
24
25 public class ArrayStoreOperator extends ArrayLoadOperator
26     implements LValueExpression {
27
28     public ArrayStoreOperator(Type type) {
29     super(type);
30     }
31
32     public boolean matches(Operator loadop) {
33         return loadop instanceof ArrayLoadOperator;
34     }
35
36     public void dumpExpression(TabbedPrintWriter writer)
37     throws java.io.IOException JavaDoc {
38     Type arrType = subExpressions[0].getType().getHint();
39     if (arrType instanceof ArrayType) {
40         Type elemType = ((ArrayType) arrType).getElementType();
41         if (!elemType.isOfType(getType())) {
42         /* We need an explicit widening cast */
43         writer.print("(");
44         writer.startOp(writer.EXPL_PAREN, 1);
45         writer.print("(");
46         writer.printType(Type.tArray(getType().getHint()));
47         writer.print(") ");
48         writer.breakOp();
49         subExpressions[0].dumpExpression(writer, 700);
50         writer.print(")");
51         writer.breakOp();
52         writer.print("[");
53         subExpressions[1].dumpExpression(writer, 0);
54         writer.print("]");
55         return;
56         }
57     }
58     super.dumpExpression(writer);
59     }
60 }
61
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