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Java > Open Source Codes > jode > expr > ShiftOperator


1 /* ShiftOperator 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: ShiftOperator.java,v 2.13.4.1 2002/05/28 17:34:06 hoenicke Exp $
18  */

19
20 package jode.expr;
21 import jode.type.Type;
22
23 /**
24  * ShiftOpcodes are special, because their second operand is an UIndex
25  */

26 public class ShiftOperator extends BinaryOperator {
27
28     public ShiftOperator(Type type, int op) {
29         super(type, op);
30     }
31
32     public void updateSubTypes() {
33     subExpressions[0].setType(Type.tSubType(type));
34     subExpressions[1].setType(Type.tSubType(Type.tInt));
35     }
36
37     public void updateType() {
38     updateParentType(Type.tSuperType(subExpressions[0].getType()));
39     }
40 }
41
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