/******************************************************************************

 *

 * 

 *

 *

 * Copyright (C) 1997-2015 by Dimitri van Heesch.

 *

 * Permission to use, copy, modify, and distribute this software and its

 * documentation under the terms of the GNU General Public License is hereby 

 * granted. No representations are made about the suitability of this software 

 * for any purpose. It is provided "as is" without express or implied warranty.

 * See the GNU General Public License for more details.

 *

 * Documents produced by Doxygen are derivative works derived from the

 * input used in their production; they are not affected by this license.

 *

 */

#ifndef _CPPVALUE_H

#define _CPPVALUE_H

#include <stdio.h>

#include <qglobal.h> 

/** A class representing a C-preprocessor value. */

class CPPValue

{

  public:

    enum Type { Int, Float };

    CPPValue(long val=0) : type(Int) { v.l = val; }

    CPPValue(double val) : type(Float) { v.d = val; }

    operator double () const { return type==Int ? (double)v.l : v.d; }

    operator long ()   const { return type==Int ? v.l : (long)v.d;   }

    bool isInt() const { return type == Int; }

    void print() const

    {

      if (type==Int) 

        printf("(%ld)\n",v.l);

      else

        printf("(%f)\n",v.d);

    }

  private:

    Type type;

    union {

      double d;

      long l;

    } v;

};

extern CPPValue parseOctal();

extern CPPValue parseDecimal();

extern CPPValue parseHexadecimal();

extern CPPValue parseCharacter();

extern CPPValue parseFloat();

#endif