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/******************************************************************************
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*
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*
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*
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*
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* Copyright (C) 1997-2015 by Dimitri van Heesch.
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation under the terms of the GNU General Public License is hereby
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* granted. No representations are made about the suitability of this software
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* for any purpose. It is provided "as is" without express or implied warranty.
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* See the GNU General Public License for more details.
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*
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* Documents produced by Doxygen are derivative works derived from the
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* input used in their production; they are not affected by this license.
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*
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*/
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#ifndef _CPPVALUE_H
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#define _CPPVALUE_H
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#include <stdio.h>
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#include <qglobal.h>
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/** A class representing a C-preprocessor value. */
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class CPPValue
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{
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public:
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enum Type { Int, Float };
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CPPValue(long val=0) : type(Int) { v.l = val; }
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CPPValue(double val) : type(Float) { v.d = val; }
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operator double () const { return type==Int ? (double)v.l : v.d; }
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operator long () const { return type==Int ? v.l : (long)v.d; }
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bool isInt() const { return type == Int; }
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void print() const
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{
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if (type==Int)
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printf("(%ld)\n",v.l);
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else
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printf("(%f)\n",v.d);
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}
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private:
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Type type;
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union {
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double d;
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long l;
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} v;
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};
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extern CPPValue parseOctal();
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extern CPPValue parseDecimal();
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extern CPPValue parseHexadecimal();
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extern CPPValue parseCharacter();
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extern CPPValue parseFloat();
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#endif
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