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diff --git a/muparser/muParserTokenReader.h b/muparser/muParserTokenReader.h
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-/*

-                 __________                                      

-    _____   __ __\______   \_____  _______  ______  ____ _______ 

-   /     \ |  |  \|     ___/\__  \ \_  __ \/  ___/_/ __ \\_  __ \

-  |  Y Y  \|  |  /|    |     / __ \_|  | \/\___ \ \  ___/ |  | \/

-  |__|_|  /|____/ |____|    (____  /|__|  /____  > \___  >|__|   

-        \/                       \/            \/      \/        

-  Copyright (C) 2004-2006 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_TOKEN_READER_H

-#define MU_PARSER_TOKEN_READER_H

-

-#include <cassert>

-#include <cstdio>

-#include <cstring>

-#include <map>

-#include <memory>

-#include <stack>

-#include <string>

-

-#include "muParserDef.h"

-#include "muParserToken.h"

-

-

-namespace mu

-{

-

-  // Forward declaration

-  class ParserBase;

-

-  /** \brief Token reader for the ParserBase class.

-

-  */

-  class ParserTokenReader 

-  {

-  private:

-      typedef ParserToken<value_type, string_type> token_type;

-      

-  private:

-      ParserBase *m_pParser;

-      string_type m_strFormula;

-      int  m_iPos;

-      int  m_iSynFlags;

-      bool m_bIgnoreUndefVar;

-

-      const funmap_type *m_pFunDef;

-      const funmap_type *m_pPostOprtDef;

-      const funmap_type *m_pInfixOprtDef;

-      const funmap_type *m_pOprtDef;

-      const valmap_type *m_pConstDef;

-      const strmap_type *m_pStrVarDef;

-      varmap_type *m_pVarDef;  ///< The only non const pointer to parser internals

-      facfun_type m_pFactory;

-      void *m_pFactoryData;

-      std::vector<identfun_type> m_vIdentFun; ///< Value token identification function

-      varmap_type m_UsedVar;

-      value_type m_fZero;      ///< Dummy value of zero, referenced by undefined variables

-      int m_iBrackets;

-

-  //

-  // private Functions

-  //

-  private:

-

-      /** \brief Syntax codes. 

-  	

-	        The syntax codes control the syntax check done during the first time parsing of 

-          the expression string. They are flags that indicate which tokens are allowed next

-          if certain tokens are identified.

-  	  */

-      enum ESynCodes

-      {

-        noBO      = 1 << 0,  ///< to avoid i.e. "cos(7)(" 

-        noBC      = 1 << 1,  ///< to avoid i.e. "sin)" or "()"

-        noVAL     = 1 << 2,  ///< to avoid i.e. "tan 2" or "sin(8)3.14"

-        noVAR     = 1 << 3,  ///< to avoid i.e. "sin a" or "sin(8)a"

-        noCOMMA   = 1 << 4,  ///< to avoid i.e. ",," or "+," ...

-        noFUN     = 1 << 5,  ///< to avoid i.e. "sqrt cos" or "(1)sin"	

-        noOPT     = 1 << 6,  ///< to avoid i.e. "(+)"

-        noPOSTOP  = 1 << 7,  ///< to avoid i.e. "(5!!)" "sin!"

-	      noINFIXOP = 1 << 8,  ///< to avoid i.e. "++4" "!!4"

-        noEND     = 1 << 9,  ///< to avoid unexpected end of formula

-        noSTR     = 1 << 10, ///< to block numeric arguments on string functions

-        noASSIGN  = 1 << 11, ///< to block assignement to constant i.e. "4=7"

-        noANY     = ~0       ///< All of he above flags set

-      };	

-

-      ParserTokenReader(const ParserTokenReader &a_Reader);

-      ParserTokenReader& operator=(const ParserTokenReader &a_Reader);

-      void Assign(const ParserTokenReader &a_Reader);

-

-  public:

-      ParserTokenReader(ParserBase *a_pParent);

-     ~ParserTokenReader();

-      ParserTokenReader* Clone(ParserBase *a_pParent) const;

-

-      void AddValIdent(identfun_type a_pCallback);

-      void SetVarCreator(facfun_type a_pFactory, void *pUserData);

-      int GetPos() const;

-      const string_type& GetFormula() const;

-      const varmap_type& GetUsedVar() const;

-      void SetFormula(const string_type &a_strFormula);

-      void SetDefs( const funmap_type *a_pFunDef, 

-                    const funmap_type *a_pOprtDef,

-                    const funmap_type *a_pInfixOprtDef,

-                    const funmap_type *a_pPostOprtDef,

-                    varmap_type *a_pVarDef,

-                    const strmap_type *a_pStrVarDef,

-                    const valmap_type *a_pConstDef );

-      void IgnoreUndefVar(bool bIgnore);

-      void ReInit();

-      token_type ReadNextToken();

-

-  //

-  // private functions

-  //

-  private:

-

-      void SetParent(ParserBase *a_pParent);

-      int ExtractToken( const char_type *a_szCharSet, 

-                        string_type &a_strTok, int a_iPos ) const;

-      bool IsBuiltIn(token_type &a_Tok);

-      bool IsEOF(token_type &a_Tok);

-      bool IsInfixOpTok(token_type &a_Tok);

-      bool IsFunTok(token_type &a_Tok);

-      bool IsPostOpTok(token_type &a_Tok);

-      bool IsOprt(token_type &a_Tok);

-      bool IsValTok(token_type &a_Tok);

-      bool IsVarTok(token_type &a_Tok);

-      bool IsStrVarTok(token_type &a_Tok);

-      bool IsUndefVarTok(token_type &a_Tok);

-      bool IsString(token_type &a_Tok);

-      void Error( EErrorCodes a_iErrc, int a_iPos = -1, 

-                  const string_type &a_sTok = string_type() ) const;

-  };

-} // namespace mu

-

-#endif

-

-