215 lines
10 KiB
C++
215 lines
10 KiB
C++
/***************************************************************************************************
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**
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** Original work Copyright (C) 2013 Ingo Berg
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** Modified work Copyright 2014 Roman Telezhynskyi <dismine(at)gmail.com>
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**
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** Permission is hereby granted, free of charge, to any person obtaining a copy of this
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** software and associated documentation files (the "Software"), to deal in the Software
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** without restriction, including without limitation the rights to use, copy, modify,
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** merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
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** permit persons to whom the Software is furnished to do so, subject to the following conditions:
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**
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** The above copyright notice and this permission notice shall be included in all copies or
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** substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
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** NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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** DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**
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******************************************************************************************************/
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#include "qmuparsererror.h"
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#include <QTextStream>
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namespace qmu
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{
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const QmuParserErrorMsg QmuParserErrorMsg::m_Instance;
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//---------------------------------------------------------------------------------------------------------------------
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QmuParserErrorMsg::~QmuParserErrorMsg()
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{}
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//---------------------------------------------------------------------------------------------------------------------
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QmuParserErrorMsg::QmuParserErrorMsg()
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: m_vErrMsg ( 0 )
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{
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m_vErrMsg.resize ( ecCOUNT );
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m_vErrMsg[ecUNASSIGNABLE_TOKEN] = "Unexpected token \"$TOK$\" found at position $POS$.";
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m_vErrMsg[ecINTERNAL_ERROR] = "Internal error";
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m_vErrMsg[ecINVALID_NAME] = "Invalid function-, variable- or constant name: \"$TOK$\".";
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m_vErrMsg[ecINVALID_BINOP_IDENT] = "Invalid binary operator identifier: \"$TOK$\".";
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m_vErrMsg[ecINVALID_INFIX_IDENT] = "Invalid infix operator identifier: \"$TOK$\".";
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m_vErrMsg[ecINVALID_POSTFIX_IDENT] = "Invalid postfix operator identifier: \"$TOK$\".";
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m_vErrMsg[ecINVALID_FUN_PTR] = "Invalid pointer to callback function.";
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m_vErrMsg[ecEMPTY_EXPRESSION] = "Expression is empty.";
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m_vErrMsg[ecINVALID_VAR_PTR] = "Invalid pointer to variable.";
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m_vErrMsg[ecUNEXPECTED_OPERATOR] = "Unexpected operator \"$TOK$\" found at position $POS$";
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m_vErrMsg[ecUNEXPECTED_EOF] = "Unexpected end of expression at position $POS$";
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m_vErrMsg[ecUNEXPECTED_ARG_SEP] = "Unexpected argument separator at position $POS$";
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m_vErrMsg[ecUNEXPECTED_PARENS] = "Unexpected parenthesis \"$TOK$\" at position $POS$";
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m_vErrMsg[ecUNEXPECTED_FUN] = "Unexpected function \"$TOK$\" at position $POS$";
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m_vErrMsg[ecUNEXPECTED_VAL] = "Unexpected value \"$TOK$\" found at position $POS$";
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m_vErrMsg[ecUNEXPECTED_VAR] = "Unexpected variable \"$TOK$\" found at position $POS$";
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m_vErrMsg[ecUNEXPECTED_ARG] = "Function arguments used without a function (position: $POS$)";
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m_vErrMsg[ecMISSING_PARENS] = "Missing parenthesis";
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m_vErrMsg[ecTOO_MANY_PARAMS] = "Too many parameters for function \"$TOK$\" at expression position $POS$";
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m_vErrMsg[ecTOO_FEW_PARAMS] = "Too few parameters for function \"$TOK$\" at expression position $POS$";
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m_vErrMsg[ecDIV_BY_ZERO] = "Divide by zero";
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m_vErrMsg[ecDOMAIN_ERROR] = "Domain error";
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m_vErrMsg[ecNAME_CONFLICT] = "Name conflict";
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m_vErrMsg[ecOPT_PRI] = "Invalid value for operator priority (must be greater or equal to zero).";
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m_vErrMsg[ecBUILTIN_OVERLOAD] = "user defined binary operator \"$TOK$\" conflicts with a built in operator.";
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m_vErrMsg[ecUNEXPECTED_STR] = "Unexpected string token found at position $POS$.";
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m_vErrMsg[ecUNTERMINATED_STRING] = "Unterminated string starting at position $POS$.";
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m_vErrMsg[ecSTRING_EXPECTED] = "String function called with a non string type of argument.";
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m_vErrMsg[ecVAL_EXPECTED] = "String value used where a numerical argument is expected.";
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m_vErrMsg[ecOPRT_TYPE_CONFLICT] = "No suitable overload for operator \"$TOK$\" at position $POS$.";
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m_vErrMsg[ecSTR_RESULT] = "Function result is a string.";
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m_vErrMsg[ecGENERIC] = "Parser error.";
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m_vErrMsg[ecLOCALE] = "Decimal separator is identic to function argument separator.";
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m_vErrMsg[ecUNEXPECTED_CONDITIONAL] = "The \"$TOK$\" operator must be preceeded by a closing bracket.";
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m_vErrMsg[ecMISSING_ELSE_CLAUSE] = "If-then-else operator is missing an else clause";
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m_vErrMsg[ecMISPLACED_COLON] = "Misplaced colon at position $POS$";
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#if defined(_DEBUG)
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for ( int i = 0; i < ecCOUNT; ++i )
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{
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if ( m_vErrMsg[i].length() == false)
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{
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assert ( false );
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}
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}
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#endif
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}
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//---------------------------------------------------------------------------------------------------------------------
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//
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// QParserError class
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//
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Default constructor.
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*/
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QmuParserError::QmuParserError()
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: QException(), m_sMsg(), m_sExpr(), m_sTok(), m_iPos ( -1 ), m_iErrc ( ecUNDEFINED ),
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m_ErrMsg ( QmuParserErrorMsg::Instance() )
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{}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief This Constructor is used for internal exceptions only.
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*
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* It does not contain any information but the error code.
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*/
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QmuParserError::QmuParserError ( EErrorCodes a_iErrc )
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: QException(), m_sMsg(), m_sExpr(), m_sTok(), m_iPos ( -1 ), m_iErrc ( a_iErrc ),
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m_ErrMsg ( QmuParserErrorMsg::Instance() )
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{
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m_sMsg = m_ErrMsg[m_iErrc];
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m_sMsg.replace("$POS$", QString().setNum ( m_iPos ));
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m_sMsg.replace("$TOK$", m_sTok );
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Construct an error from a message text.
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*/
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QmuParserError::QmuParserError ( const QString &sMsg )
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: QException(), m_sMsg(sMsg), m_sExpr(), m_sTok(), m_iPos ( -1 ), m_iErrc ( ecUNDEFINED ),
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m_ErrMsg ( QmuParserErrorMsg::Instance() )
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{}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Construct an error object.
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* @param [in] a_iErrc the error code.
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* @param [in] sTok The token string related to this error.
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* @param [in] sExpr The expression related to the error.
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* @param [in] a_iPos the position in the expression where the error occured.
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*/
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QmuParserError::QmuParserError ( EErrorCodes iErrc, const QString &sTok, const QString &sExpr, int iPos )
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: QException(), m_sMsg(), m_sExpr ( sExpr ), m_sTok ( sTok ), m_iPos ( iPos ), m_iErrc ( iErrc ),
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m_ErrMsg ( QmuParserErrorMsg::Instance() )
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{
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m_sMsg = m_ErrMsg[m_iErrc];
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m_sMsg.replace("$POS$", QString().setNum ( m_iPos ));
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m_sMsg.replace("$TOK$", m_sTok );
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Construct an error object.
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* @param [in] iErrc the error code.
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* @param [in] iPos the position in the expression where the error occured.
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* @param [in] sTok The token string related to this error.
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*/
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QmuParserError::QmuParserError ( EErrorCodes a_iErrc, int a_iPos, const QString &sTok )
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: QException(), m_sMsg(), m_sExpr(), m_sTok ( sTok ), m_iPos ( a_iPos ), m_iErrc ( a_iErrc ),
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m_ErrMsg ( QmuParserErrorMsg::Instance() )
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{
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m_sMsg = m_ErrMsg[m_iErrc];
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m_sMsg.replace("$POS$", QString().setNum ( m_iPos ));
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m_sMsg.replace("$TOK$", m_sTok );
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}
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//---------------------------------------------------------------------------------------------------------------------
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/** @brief Construct an error object.
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* @param [in] szMsg The error message text.
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* @param [in] iPos the position related to the error.
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* @param [in] sTok The token string related to this error.
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*/
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QmuParserError::QmuParserError ( const QString &szMsg, int iPos, const QString &sTok )
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: QException(), m_sMsg ( szMsg ), m_sExpr(), m_sTok ( sTok ), m_iPos ( iPos ), m_iErrc ( ecGENERIC ),
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m_ErrMsg ( QmuParserErrorMsg::Instance() )
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{
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m_sMsg.replace("$POS$", QString().setNum ( m_iPos ));
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m_sMsg.replace("$TOK$", m_sTok );
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Copy constructor.
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*/
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QmuParserError::QmuParserError ( const QmuParserError &a_Obj )
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: QException(), m_sMsg ( a_Obj.m_sMsg ), m_sExpr ( a_Obj.m_sExpr ), m_sTok ( a_Obj.m_sTok ),
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m_iPos ( a_Obj.m_iPos ), m_iErrc ( a_Obj.m_iErrc ), m_ErrMsg ( QmuParserErrorMsg::Instance() )
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{}
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//---------------------------------------------------------------------------------------------------------------------
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/** @brief Assignment operator. */
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QmuParserError& QmuParserError::operator= ( const QmuParserError &a_Obj )
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{
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if ( this == &a_Obj )
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{
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return *this;
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}
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m_sMsg = a_Obj.m_sMsg;
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m_sExpr = a_Obj.m_sExpr;
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m_sTok = a_Obj.m_sTok;
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m_iPos = a_Obj.m_iPos;
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m_iErrc = a_Obj.m_iErrc;
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return *this;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Reset the erro object.
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*/
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// cppcheck-suppress unusedFunction
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void QmuParserError::Reset()
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{
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m_sMsg.clear();
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m_sExpr.clear();
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m_sTok.clear();
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m_iPos = -1;
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m_iErrc = ecUNDEFINED;
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}
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} // namespace qmu
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