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Java > Open Source Codes > jode > expr > ConvertOperator


1 /* ConvertOperator 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: ConvertOperator.java,v 2.14.4.1 2002/05/28 17:34:06 hoenicke Exp $
18  */
19
20 package jode.expr;
21 import jode.type.Type;
22 import jode.decompiler.TabbedPrintWriter;
23
24 public class ConvertOperator extends Operator {
25     Type from;
26
27     public ConvertOperator(Type from, Type to) {
28         super(to, 0);
29         this.from = from;
30     initOperands(1);
31     }
32
33     public boolean opEquals(Operator o) {
34     return (o instanceof ConvertOperator)
35         && type == o.type;
36     }
37     
38     public int getPriority() {
39         return 700;
40     }
41
42     public void updateSubTypes() {
43     subExpressions[0].setType(Type.tSubType(from));
44     }
45     public void updateType() {
46     }
47
48     public void dumpExpression(TabbedPrintWriter writer)
49     throws java.io.IOException JavaDoc {
50         writer.print("(");
51     writer.printType(type.getCanonic());
52         writer.print(") ");
53     subExpressions[0].dumpExpression(writer, 700);
54     }
55 }
56
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