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/*
                 __________                                      
    _____   __ __\______   \_____  _______  ______  ____ _______ 
   /     \ |  |  \|     ___/\__  \ \_  __ \/  ___/_/ __ \\_  __ \
  |  Y Y  \|  |  /|    |     / __ \_|  | \/\___ \ \  ___/ |  | \/
  |__|_|  /|____/ |____|    (____  /|__|  /____  > \___  >|__|   
        \/                       \/            \/      \/        
  Copyright (C) 2004-2011 Ingo Berg

  Permission is hereby granted, free of charge, to any person obtaining a copy of this 
  software and associated documentation files (the "Software"), to deal in the Software
  without restriction, including without limitation the rights to use, copy, modify, 
  merge, publish, distribute, sublicense, and/or sell copies of the Software, and to 
  permit persons to whom the Software is furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in all copies or 
  substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
  NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 
*/

#ifndef MU_PARSER_CALLBACK_H
#define MU_PARSER_CALLBACK_H

#include "muParserDef.h"

/** \file
    \brief Definition of the parser callback class.
*/

namespace mu
{

/** \brief Encapsulation of prototypes for a numerical parser function.

    Encapsulates the prototyp for numerical parser functions. The class
    stores the number of arguments for parser functions as well
    as additional flags indication the function is non optimizeable.
    The pointer to the callback function pointer is stored as void* 
    and needs to be casted according to the argument count.
    Negative argument counts indicate a parser function with a variable number
    of arguments. 

    \author (C) 2004-2011 Ingo Berg
*/
class ParserCallback
{
public:
    ParserCallback(fun_type0  a_pFun, bool a_bAllowOpti);
    ParserCallback(fun_type1  a_pFun, bool a_bAllowOpti, int a_iPrec = -1, ECmdCode a_iCode=cmFUNC);
    ParserCallback(fun_type2  a_pFun, bool a_bAllowOpti, int a_iPrec, EOprtAssociativity a_eAssociativity);
    ParserCallback(fun_type2  a_pFun, bool a_bAllowOpti);
    ParserCallback(fun_type3  a_pFun, bool a_bAllowOpti);
    ParserCallback(fun_type4  a_pFun, bool a_bAllowOpti);
    ParserCallback(fun_type5  a_pFun, bool a_bAllowOpti);
    ParserCallback(fun_type6  a_pFun, bool a_bAllowOpti);
    ParserCallback(fun_type7  a_pFun, bool a_bAllowOpti);
    ParserCallback(fun_type8  a_pFun, bool a_bAllowOpti);
    ParserCallback(fun_type9  a_pFun, bool a_bAllowOpti);
    ParserCallback(fun_type10 a_pFun, bool a_bAllowOpti);

    ParserCallback(bulkfun_type0  a_pFun, bool a_bAllowOpti);
    ParserCallback(bulkfun_type1  a_pFun, bool a_bAllowOpti);
    ParserCallback(bulkfun_type2  a_pFun, bool a_bAllowOpti);
    ParserCallback(bulkfun_type3  a_pFun, bool a_bAllowOpti);
    ParserCallback(bulkfun_type4  a_pFun, bool a_bAllowOpti);
    ParserCallback(bulkfun_type5  a_pFun, bool a_bAllowOpti);
    ParserCallback(bulkfun_type6  a_pFun, bool a_bAllowOpti);
    ParserCallback(bulkfun_type7  a_pFun, bool a_bAllowOpti);
    ParserCallback(bulkfun_type8  a_pFun, bool a_bAllowOpti);
    ParserCallback(bulkfun_type9  a_pFun, bool a_bAllowOpti);
    ParserCallback(bulkfun_type10 a_pFun, bool a_bAllowOpti);

    ParserCallback(multfun_type a_pFun, bool a_bAllowOpti);
    ParserCallback(strfun_type1 a_pFun, bool a_bAllowOpti);
    ParserCallback(strfun_type2 a_pFun, bool a_bAllowOpti);
    ParserCallback(strfun_type3 a_pFun, bool a_bAllowOpti);
    ParserCallback();
    ParserCallback(const ParserCallback &a_Fun);
    
    ParserCallback* Clone() const;

    bool  IsOptimizable() const;
    void* GetAddr() const;
    ECmdCode  GetCode() const;
    ETypeCode GetType() const;
    int GetPri()  const;
    EOprtAssociativity GetAssociativity() const;
    int GetArgc() const;

private:
    void *m_pFun;                   ///< Pointer to the callback function, casted to void
    
    /** \brief Number of numeric function arguments
    
        This number is negative for functions with variable number of arguments. in this cases
        they represent the actual number of arguments found.
    */
    int   m_iArgc;      
    int   m_iPri;                   ///< Valid only for binary and infix operators; Operator precedence.
    EOprtAssociativity m_eOprtAsct; ///< Operator associativity; Valid only for binary operators 
    ECmdCode  m_iCode;
    ETypeCode m_iType;
    bool  m_bAllowOpti;             ///< Flag indication optimizeability 
};

//------------------------------------------------------------------------------
/** \brief Container for Callback objects. */
typedef std::map<string_type, ParserCallback> funmap_type; 

} // namespace mu

#endif