/*
* Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* COMPONENT_NAME: idl.parser
*
* ORIGINS: 27
*
* Licensed Materials - Property of IBM
* 5639-D57 (C) COPYRIGHT International Business Machines Corp. 1997, 1999
* RMI-IIOP v1.0
*
*/
package com.sun.tools.corba.se.idl.constExpr;
// NOTES:
import com.sun.tools.corba.se.idl.Util;
import java.math.BigInteger;
public class Positive extends UnaryExpr
{
protected Positive (Expression operand)
{
super ("+", operand);
} // ctor
public Object evaluate () throws EvaluationException
{
try
{
Number op = (Number)operand ().evaluate ();
if (op instanceof Float || op instanceof Double)
value (new Double (+op.doubleValue ()));
else
{
// Multiply by sign
//daz value (new Long (+op.longValue ()));
value (((BigInteger)op).multiply (BigInteger.valueOf (((BigInteger)op).signum ())));
//promote ();
}
}
catch (ClassCastException e)
{
String[] parameters = {Util.getMessage ("EvaluationException.pos"), operand ().value ().getClass ().getName ()};
throw new EvaluationException (Util.getMessage ("EvaluationException.2", parameters));
}
return value ();
} // evaluate
} // class Positive