www.pudn.com > calculator.rar > integerinstruction.h


/****************************************************************************
**
** Copyright (C) 2000-2006 TROLLTECH ASA. All rights reserved.
**
** This file is part of the Phone Edition of the Qtopia Toolkit.
**
** Licensees holding a valid license agreement from Trolltech or any of its
** authorized distributors may use this file in accordance with
** the License Agreement provided with the Licensed Software.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Trolltech's Commercial License Agreements.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
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**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef CALC_INTEGER_H
#define CALC_INTEGER_H

#include "instruction.h"
#include "integerdata.h"

// Integer instruction base
class BaseIntegerInstruction : public Instruction {
public:
BaseIntegerInstruction():Instruction(){};
~BaseIntegerInstruction(){};

Data *eval(Data*);
Data *doEval(IntegerData *i){return i;};
protected:
IntegerData *integerNum;
};

// Mathematical functions
class IntegerAdd : public BaseIntegerInstruction {
public:
IntegerAdd():BaseIntegerInstruction(){};
~IntegerAdd(){};
Data *doEval(IntegerData *);
};
class IntegerSub : public BaseIntegerInstruction {
public:
IntegerSub():BaseIntegerInstruction(){};
~IntegerSub(){};
Data *doEval(IntegerData *);
};
class IntegerMul : public BaseIntegerInstruction {
public:
IntegerMul():BaseIntegerInstruction(){};
~IntegerMul(){};
Data *doEval(IntegerData *);
};
class IntegerDiv : public BaseIntegerInstruction {
public:
IntegerDiv():BaseIntegerInstruction(){};
~IntegerDiv(){};
Data *doEval(IntegerData *);
};

#endif