01: /*
02: * Copyright 1999 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun in the LICENSE file that accompanied this code.
10: *
11: * This code is distributed in the hope that it will be useful, but WITHOUT
12: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14: * version 2 for more details (a copy is included in the LICENSE file that
15: * accompanied this code).
16: *
17: * You should have received a copy of the GNU General Public License version
18: * 2 along with this work; if not, write to the Free Software Foundation,
19: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25: /*
26: * COMPONENT_NAME: idl.parser
27: *
28: * ORIGINS: 27
29: *
30: * Licensed Materials - Property of IBM
31: * 5639-D57 (C) COPYRIGHT International Business Machines Corp. 1997, 1999
32: * RMI-IIOP v1.0
33: *
34: * @(#)Plus.java 1.20 07/05/05
35: */
36:
37: package com.sun.tools.corba.se.idl.constExpr;
38:
39: // NOTES:
40:
41: import com.sun.tools.corba.se.idl.Util;
42: import java.math.BigInteger;
43:
44: public class Plus extends BinaryExpr {
45: protected Plus(Expression leftOperand, Expression rightOperand) {
46: super ("+", leftOperand, rightOperand);
47: } // ctor
48:
49: public Object evaluate() throws EvaluationException {
50: try {
51: Number l = (Number) left().evaluate();
52: Number r = (Number) right().evaluate();
53:
54: boolean lIsNonInteger = l instanceof Float
55: || l instanceof Double;
56: boolean rIsNonInteger = r instanceof Float
57: || r instanceof Double;
58:
59: if (lIsNonInteger && rIsNonInteger)
60: value(new Double(l.doubleValue() + r.doubleValue()));
61: else if (lIsNonInteger || rIsNonInteger) {
62: String[] parameters = {
63: Util.getMessage("EvaluationException.plus"),
64: left().value().getClass().getName(),
65: right().value().getClass().getName() };
66: throw new EvaluationException(Util.getMessage(
67: "EvaluationException.1", parameters));
68: } else {
69: // Addition (+)
70: BigInteger tmpL = (BigInteger) l, tmpR = (BigInteger) r;
71: value(tmpL.add(tmpR));
72: //daz value (new Long (l.longValue () + r.longValue ()));
73: }
74: } catch (ClassCastException e) {
75: String[] parameters = {
76: Util.getMessage("EvaluationException.plus"),
77: left().value().getClass().getName(),
78: right().value().getClass().getName() };
79: throw new EvaluationException(Util.getMessage(
80: "EvaluationException.1", parameters));
81: }
82: return value();
83: } // evaluate
84: } // class Plus
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