01: /* ShiftOperator Copyright (C) 1998-2002 Jochen Hoenicke.
02: *
03: * This program is free software; you can redistribute it and/or modify
04: * it under the terms of the GNU Lesser General Public License as published by
05: * the Free Software Foundation; either version 2, or (at your option)
06: * any later version.
07: *
08: * This program is distributed in the hope that it will be useful,
09: * 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:
22: import jode.type.Type;
23:
24: /**
25: * ShiftOpcodes are special, because their second operand is an UIndex
26: */
27: public class ShiftOperator extends BinaryOperator {
28:
29: public ShiftOperator(Type type, int op) {
30: super (type, op);
31: }
32:
33: public void updateSubTypes() {
34: subExpressions[0].setType(Type.tSubType(type));
35: subExpressions[1].setType(Type.tSubType(Type.tInt));
36: }
37:
38: public void updateType() {
39: updateParentType(Type.tSuperType(subExpressions[0].getType()));
40: }
41: }
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