muParserError.h

Go to the documentation of this file.

/*
                 __________                                      
    _____   __ __\______   \_____  _______  ______  ____ _______ 
   /     \ |  |  \|     ___/\__  \ \_  __ \/  ___/_/ __ \\_  __ \
  |  Y Y  \|  |  /|    |     / __ \_|  | \/\___ \ \  ___/ |  | \/
  |__|_|  /|____/ |____|    (____  /|__|  /____  > \___  >|__|   
        \/                       \/            \/      \/        
  Copyright (C) 2004-2008 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_ERROR_H
#define MU_PARSER_ERROR_H

#include <cassert>
#include <stdexcept>
#include <string>
#include <sstream>
#include <vector>
#include <memory>

#include "muParserDef.h"

namespace mu
{

enum EErrorCodes
{
  // Formula syntax errors
  ecUNEXPECTED_OPERATOR = 0,  
  ecUNASSIGNABLE_TOKEN  = 1,  
  ecUNEXPECTED_EOF      = 2,  
  ecUNEXPECTED_ARG_SEP  = 3,  
  ecUNEXPECTED_ARG      = 4,  
  ecUNEXPECTED_VAL      = 5,  
  ecUNEXPECTED_VAR      = 6,  
  ecUNEXPECTED_PARENS   = 7,  
  ecUNEXPECTED_STR      = 8,  
  ecSTRING_EXPECTED     = 9,  
  ecVAL_EXPECTED        = 10, 
  ecMISSING_PARENS      = 11, 
  ecUNEXPECTED_FUN      = 12, 
  ecUNTERMINATED_STRING = 13, 
  ecTOO_MANY_PARAMS     = 14, 
  ecTOO_FEW_PARAMS      = 15, 
  ecOPRT_TYPE_CONFLICT  = 16, 
  ecSTR_RESULT          = 17, 

  // Invalid Parser input Parameters
  ecINVALID_NAME        = 18, 
  ecBUILTIN_OVERLOAD    = 19, 
  ecINVALID_FUN_PTR     = 20, 
  ecINVALID_VAR_PTR     = 21, 
  ecEMPTY_EXPRESSION    = 22, 
  ecNAME_CONFLICT       = 23, 
  ecOPT_PRI             = 24, 
  // 
  ecDOMAIN_ERROR        = 25, 
  ecDIV_BY_ZERO         = 26, 
  ecGENERIC             = 27, 
  ecLOCALE              = 28, 

  // internal errors
  ecINTERNAL_ERROR      = 29, 

  // The last two are special entries 
  ecCOUNT,                    
  ecUNDEFINED           = -1  
};

//---------------------------------------------------------------------------
class ParserErrorMsg
{
public:
    typedef ParserErrorMsg self_type;

    ParserErrorMsg& operator=(const ParserErrorMsg &);
    ParserErrorMsg(const ParserErrorMsg&);
    ParserErrorMsg();

   ~ParserErrorMsg();

    static const ParserErrorMsg& Instance();
    string_type operator[](unsigned a_iIdx) const;

private:
    std::vector<string_type>  m_vErrMsg;  
    static const self_type m_Instance;    
};

//---------------------------------------------------------------------------
/* final */ class ParserError
{
private:
    //------------------------------------------------------------------------------
    void ReplaceSubString( string_type &strSource, 
                           const string_type &strFind,
                           const string_type &strReplaceWith);
    void Reset();

public:
    ParserError();
    explicit ParserError(EErrorCodes a_iErrc);
    explicit ParserError(const string_type &sMsg);
    ParserError( EErrorCodes a_iErrc,
                 const string_type &sTok,
                 const string_type &sFormula = string_type(_T("(formula is not available)")),
                 int a_iPos = -1);
    ParserError( EErrorCodes a_iErrc, 
                 int a_iPos, 
                 const string_type &sTok);
    ParserError( const char_type *a_szMsg, 
                 int a_iPos = -1, 
                 const string_type &sTok = string_type());
    ParserError(const ParserError &a_Obj);
    ParserError& operator=(const ParserError &a_Obj);
   ~ParserError();

    void SetFormula(const string_type &a_strFormula);
    const string_type& GetExpr() const;
    const string_type& GetMsg() const;
    std::size_t GetPos() const;
    const string_type& GetToken() const;
    EErrorCodes GetCode() const;

private:
    string_type m_strMsg;     
    string_type m_strFormula; 
    string_type m_strTok;     
    int m_iPos;               
    EErrorCodes m_iErrc;      
    const ParserErrorMsg &m_ErrMsg;
};              

} // namespace mu

#endif