Preprocessor.h

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/*--------------------------------*- VM2D -*-----------------*---------------*\
| ##  ## ##   ##  ####  #####   |                            | Version 1.14   |
| ##  ## ### ### ##  ## ##  ##  |  VM2D: Vortex Method       | 2026/03/06     |
| ##  ## ## # ##    ##  ##  ##  |  for 2D Flow Simulation    *----------------*
|  ####  ##   ##   ##   ##  ##  |  Open Source Code                           |
|   ##   ##   ## ###### #####   |  https://www.github.com/vortexmethods/VM2D  |
|                                                                             |
| Copyright (C) 2017-2026 I. Marchevsky, K. Sokol, E. Ryatina, A. Kolganova   |
*-----------------------------------------------------------------------------*
| File name: Preprocessor.h                                                   |
| Info: Source code of VM2D                                                   |
|                                                                             |
| This file is part of VM2D.                                                  |
| VM2D is free software: you can redistribute it and/or modify it             |
| under the terms of the GNU General Public License as published by           |
| the Free Software Foundation, either version 3 of the License, or           |
| (at your option) any later version.                                         |
|                                                                             |
| VM2D is distributed in the hope that it will be useful, but WITHOUT         |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or       |
| FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License       |
| for more details.                                                           |
|                                                                             |
| You should have received a copy of the GNU General Public License           |
| along with VM2D.  If not, see <http://www.gnu.org/licenses/>.               |
\*---------------------------------------------------------------------------*/
 
 
 
#ifndef PREPROCESSOR_H
#define PREPROCESSOR_H
 
#include <string>
#include <sstream>
 
namespace VMlib
{

    class Preprocessor
    {
    private:
        bool inStringLastEscape;

        bool inCharLastEscape;

        bool inInlineLastEscape;

        bool inMultilineLastStar;

        void(Preprocessor::*currentParser)(char ch, std::string& str);

        void normalParser(char ch, std::string& str);

        void inStringParser(char ch, std::string& str);

        void inCharParser(char ch, std::string& str);

        void afterSlashParser(char ch, std::string& str);

        void inInlineCommentParser(char ch, std::string& str);

        void inMultilineCommentParser(char ch, std::string& str);

        char processSymbol(char ch);
 
    public:
        std::string initialInput;

        std::string intermediateOutput;
 
 

        Preprocessor(const std::string& fileName);

        ~Preprocessor() { };

        std::string resultString;
        std::stringstream resultStream;
 
    };
 
}//namespace VMlib
 
#endif