valentina/src/libs/qmuparser/qmuparsererror.h

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/***************************************************************************************************
**
** Original work Copyright (C) 2013 Ingo Berg
** Modified work Copyright 2014 Roman Telezhynskyi <dismine(at)gmail.com>
**
** 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 QMUPARSERERROR_H
#define QMUPARSERERROR_H
#include <cassert>
#include <stdexcept>
#include <string>
#include <sstream>
#include <memory>
#include "qmuparserdef.h"
/** @file
@brief This file defines the error class used by the parser.
*/
namespace qmu
{
/** @brief Error codes. */
enum EErrorCodes
{
// Formula syntax errors
ecUNEXPECTED_OPERATOR = 0, ///< Unexpected binary operator found
ecUNASSIGNABLE_TOKEN = 1, ///< Token cant be identified.
ecUNEXPECTED_EOF = 2, ///< Unexpected end of formula. (Example: "2+sin(")
ecUNEXPECTED_ARG_SEP = 3, ///< An unexpected comma has been found. (Example: "1,23")
ecUNEXPECTED_ARG = 4, ///< An unexpected argument has been found
ecUNEXPECTED_VAL = 5, ///< An unexpected value token has been found
ecUNEXPECTED_VAR = 6, ///< An unexpected variable token has been found
ecUNEXPECTED_PARENS = 7, ///< Unexpected Parenthesis, opening or closing
ecUNEXPECTED_STR = 8, ///< A string has been found at an inapropriate position
ecSTRING_EXPECTED = 9, ///< A string function has been called with a different type of argument
ecVAL_EXPECTED = 10, ///< A numerical function has been called with a non value type of argument
ecMISSING_PARENS = 11, ///< Missing parens. (Example: "3*sin(3")
ecUNEXPECTED_FUN = 12, ///< Unexpected function found. (Example: "sin(8)cos(9)")
ecUNTERMINATED_STRING = 13, ///< unterminated string constant. (Example: "3*valueof("hello)")
ecTOO_MANY_PARAMS = 14, ///< Too many function parameters
ecTOO_FEW_PARAMS = 15, ///< Too few function parameters. (Example: "ite(1<2,2)")
ecOPRT_TYPE_CONFLICT = 16, ///< binary operators may only be applied to value items of the same type
ecSTR_RESULT = 17, ///< result is a string
// Invalid Parser input Parameters
ecINVALID_NAME = 18, ///< Invalid function, variable or constant name.
ecINVALID_BINOP_IDENT = 19, ///< Invalid binary operator identifier
ecINVALID_INFIX_IDENT = 20, ///< Invalid function, variable or constant name.
ecINVALID_POSTFIX_IDENT = 21, ///< Invalid function, variable or constant name.
ecBUILTIN_OVERLOAD = 22, ///< Trying to overload builtin operator
ecINVALID_FUN_PTR = 23, ///< Invalid callback function pointer
ecINVALID_VAR_PTR = 24, ///< Invalid variable pointer
ecEMPTY_EXPRESSION = 25, ///< The Expression is empty
ecNAME_CONFLICT = 26, ///< Name conflict
ecOPT_PRI = 27, ///< Invalid operator priority
//
ecDOMAIN_ERROR = 28, ///< catch division by zero, sqrt(-1), log(0) (currently unused)
ecDIV_BY_ZERO = 29, ///< Division by zero (currently unused)
ecGENERIC = 30, ///< Generic error
ecLOCALE = 31, ///< Conflict with current locale
ecUNEXPECTED_CONDITIONAL = 32,
ecMISSING_ELSE_CLAUSE = 33,
ecMISPLACED_COLON = 34,
// internal errors
ecINTERNAL_ERROR = 35, ///< Internal error of any kind.
// The last two are special entries
ecCOUNT, ///< This is no error code, It just stores just the total number of error codes
ecUNDEFINED = -1 ///< Undefined message, placeholder to detect unassigned error messages
};
//---------------------------------------------------------------------------
/** @brief A class that handles the error messages.
*/
class QmuParserErrorMsg
{
public:
typedef QmuParserErrorMsg self_type;
QmuParserErrorMsg();
~QmuParserErrorMsg();
static const QmuParserErrorMsg& Instance();
QString operator[] ( unsigned a_iIdx ) const;
private:
Q_DISABLE_COPY(QmuParserErrorMsg)
QVector<QString> m_vErrMsg; ///< A vector with the predefined error messages
static const self_type m_Instance; ///< The instance pointer
};
//---------------------------------------------------------------------------
/** @brief Error class of the parser.
@author Ingo Berg
Part of the math parser package.
*/
class QmuParserError
{
public:
QmuParserError();
explicit QmuParserError ( EErrorCodes a_iErrc );
explicit QmuParserError ( const QString &sMsg );
QmuParserError ( EErrorCodes a_iErrc, const QString &sTok, const QString &sFormula = QString(), int a_iPos = -1 );
QmuParserError ( EErrorCodes a_iErrc, int a_iPos, const QString &sTok );
QmuParserError ( const QString &a_szMsg, int a_iPos, const QString &sTok = QString() );
QmuParserError ( const QmuParserError &a_Obj );
QmuParserError& operator= ( const QmuParserError &a_Obj );
~QmuParserError();
void SetFormula ( const QString &a_strFormula );
const QString& GetExpr() const;
const QString& GetMsg() const;
std::size_t GetPos() const;
const QString& GetToken() const;
EErrorCodes GetCode() const;
private:
QString m_strMsg; ///< The message string
QString m_strFormula; ///< Formula string
QString m_strTok; ///< Token related with the error
int m_iPos; ///< Formula position related to the error
EErrorCodes m_iErrc; ///< Error code
const QmuParserErrorMsg &m_ErrMsg;
/**
* @brief Replace all ocuurences of a substring with another string.
*/
void ReplaceSubString ( QString &strSource, const QString &strFind, const QString &strReplaceWith );
void Reset();
};
} // namespace qmu
#endif