| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef _DECAF_LANG_NUMBER_H_ |
| #define _DECAF_LANG_NUMBER_H_ |
| |
| #include <decaf/util/Config.h> |
| |
| namespace decaf{ |
| namespace lang{ |
| |
| /** |
| * The abstract class Number is the superclass of classes Byte, Double, |
| * Float, Integer, Long, and Short. |
| * |
| * Subclasses of Number must provide methods to convert the represented |
| * numeric value to byte, double, float, int, long, and short. |
| */ |
| class DECAF_API Number { |
| public: |
| |
| virtual ~Number() {} |
| |
| /** |
| * Answers the byte value which the receiver represents |
| * @return byte the value of the receiver. |
| */ |
| virtual unsigned char byteValue() const { |
| return (unsigned char)intValue(); |
| } |
| |
| /** |
| * Answers the double value which the receiver represents |
| * @return double the value of the receiver. |
| */ |
| virtual double doubleValue() const = 0; |
| |
| /** |
| * Answers the float value which the receiver represents |
| * @return float the value of the receiver. |
| */ |
| virtual float floatValue() const = 0; |
| |
| /** |
| * Answers the int value which the receiver represents |
| * @return int the value of the receiver. |
| */ |
| virtual int intValue() const = 0; |
| |
| /** |
| * Answers the long value which the receiver represents |
| * @return long long the value of the receiver. |
| */ |
| virtual long long longValue() const = 0; |
| |
| /** |
| * Answers the short value which the receiver represents |
| * @return short the value of the receiver. |
| */ |
| virtual short shortValue() const { |
| return (short) intValue(); |
| } |
| |
| }; |
| |
| }} |
| |
| #endif /*_DECAF_LANG_NUMBER_H_*/ |