jdk8-mips64-public/corba: src/share/classes/com/sun/tools/corba/se/idl/constExpr/ShiftLeft.java@6845b95cba6b

     1 /*

     2  * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * 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  */

    36 package com.sun.tools.corba.se.idl.constExpr;

    38 // NOTES:

    40 import com.sun.tools.corba.se.idl.Util;

    41 import java.math.BigInteger;

    43 public class ShiftLeft extends BinaryExpr

    44 {

    45   protected ShiftLeft (Expression leftOperand, Expression rightOperand)

    46   {

    47     super ("<<", leftOperand, rightOperand);

    48   } // ctor

    50   public Object evaluate () throws EvaluationException

    51   {

    52     try

    53     {

    54       Number l = (Number)left ().evaluate ();

    55       Number r = (Number)right ().evaluate ();

    57       if (l instanceof Float || l instanceof Double || r instanceof Float || r instanceof Double)

    58       {

    59         String[] parameters = {Util.getMessage ("EvaluationException.left"), left ().value ().getClass ().getName (), right ().value ().getClass ().getName ()};

    60         throw new EvaluationException (Util.getMessage ("EvaluationException.1", parameters));

    61       }

    62       else

    63       {

    64         // Shift left (<<)

    65         //daz        value (new Long (l.longValue () << r.longValue ()));

    66         BigInteger bL = (BigInteger)coerceToTarget (l);

    67         BigInteger bR = (BigInteger)r;

    69         BigInteger ls  = bL.shiftLeft (bR.intValue ());

    71         if (type ().indexOf ("short") >= 0)

    72           ls = ls.mod (twoPow16);

    73         else if (type ().indexOf ("long") >= 0)

    74           ls = ls.mod (twoPow32);

    75         else if (type ().indexOf ("long long") >= 0)

    76           ls = ls.mod (twoPow64);

    78         value (coerceToTarget (ls));

    79       }

    80     }

    81     catch (ClassCastException e)

    82     {

    83       String[] parameters = {Util.getMessage ("EvaluationException.left"), left ().value ().getClass ().getName (), right ().value ().getClass ().getName ()};

    84       throw new EvaluationException (Util.getMessage ("EvaluationException.1", parameters));

    85     }

    86     return value ();

    87   } // evaluate

    88 } // class ShiftLeft

Mercurial > jdk8-mips64-public > corba / file revision

src/share/classes/com/sun/tools/corba/se/idl/constExpr/ShiftLeft.java@6845b95cba6b

src/share/classes/com/sun/tools/corba/se/idl/constExpr/ShiftLeft.java