346 lines
13 KiB
C++
346 lines
13 KiB
C++
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/*
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__________
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_____ __ __\______ \_____ _______ ______ ____ _______
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/ \ | | \| ___/\__ \ \_ __ \/ ___/_/ __ \\_ __ \
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| Y Y \| | /| | / __ \_| | \/\___ \ \ ___/ | | \/
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|__|_| /|____/ |____| (____ /|__| /____ > \___ >|__|
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\/ \/ \/ \/
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Copyright (C) 2011 Ingo Berg
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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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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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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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#include "muParserError.h"
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#if __clang__
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wconversion"
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#endif
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namespace mu
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{
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const ParserErrorMsg ParserErrorMsg::m_Instance;
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//------------------------------------------------------------------------------
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const ParserErrorMsg& ParserErrorMsg::Instance()
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{
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return m_Instance;
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}
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//------------------------------------------------------------------------------
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string_type ParserErrorMsg::operator[](unsigned a_iIdx) const
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{
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return (a_iIdx<m_vErrMsg.size()) ? m_vErrMsg[a_iIdx] : string_type();
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}
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//---------------------------------------------------------------------------
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ParserErrorMsg::~ParserErrorMsg()
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{}
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//---------------------------------------------------------------------------
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/** \brief Assignment operator is deactivated.
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*/
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ParserErrorMsg& ParserErrorMsg::operator=(const ParserErrorMsg& )
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{
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assert(false);
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return *this;
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}
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//---------------------------------------------------------------------------
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ParserErrorMsg::ParserErrorMsg(const ParserErrorMsg&)
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{}
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//---------------------------------------------------------------------------
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ParserErrorMsg::ParserErrorMsg()
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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] = _T("Unexpected token \"$TOK$\" found at position $POS$.");
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m_vErrMsg[ecINTERNAL_ERROR] = _T("Internal error");
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m_vErrMsg[ecINVALID_NAME] = _T("Invalid function-, variable- or constant name: \"$TOK$\".");
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m_vErrMsg[ecINVALID_BINOP_IDENT] = _T("Invalid binary operator identifier: \"$TOK$\".");
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m_vErrMsg[ecINVALID_INFIX_IDENT] = _T("Invalid infix operator identifier: \"$TOK$\".");
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m_vErrMsg[ecINVALID_POSTFIX_IDENT] = _T("Invalid postfix operator identifier: \"$TOK$\".");
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m_vErrMsg[ecINVALID_FUN_PTR] = _T("Invalid pointer to callback function.");
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m_vErrMsg[ecEMPTY_EXPRESSION] = _T("Expression is empty.");
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m_vErrMsg[ecINVALID_VAR_PTR] = _T("Invalid pointer to variable.");
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m_vErrMsg[ecUNEXPECTED_OPERATOR] = _T("Unexpected operator \"$TOK$\" found at position $POS$");
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m_vErrMsg[ecUNEXPECTED_EOF] = _T("Unexpected end of expression at position $POS$");
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m_vErrMsg[ecUNEXPECTED_ARG_SEP] = _T("Unexpected argument separator at position $POS$");
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m_vErrMsg[ecUNEXPECTED_PARENS] = _T("Unexpected parenthesis \"$TOK$\" at position $POS$");
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m_vErrMsg[ecUNEXPECTED_FUN] = _T("Unexpected function \"$TOK$\" at position $POS$");
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m_vErrMsg[ecUNEXPECTED_VAL] = _T("Unexpected value \"$TOK$\" found at position $POS$");
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m_vErrMsg[ecUNEXPECTED_VAR] = _T("Unexpected variable \"$TOK$\" found at position $POS$");
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m_vErrMsg[ecUNEXPECTED_ARG] = _T("Function arguments used without a function (position: $POS$)");
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m_vErrMsg[ecMISSING_PARENS] = _T("Missing parenthesis");
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m_vErrMsg[ecTOO_MANY_PARAMS] = _T("Too many parameters for function \"$TOK$\" at expression position $POS$");
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m_vErrMsg[ecTOO_FEW_PARAMS] = _T("Too few parameters for function \"$TOK$\" at expression position $POS$");
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m_vErrMsg[ecDIV_BY_ZERO] = _T("Divide by zero");
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m_vErrMsg[ecDOMAIN_ERROR] = _T("Domain error");
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m_vErrMsg[ecNAME_CONFLICT] = _T("Name conflict");
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m_vErrMsg[ecOPT_PRI] = _T("Invalid value for operator priority (must be greater or equal to zero).");
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m_vErrMsg[ecBUILTIN_OVERLOAD] = _T("user defined binary operator \"$TOK$\" conflicts with a built in operator.");
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m_vErrMsg[ecUNEXPECTED_STR] = _T("Unexpected string token found at position $POS$.");
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m_vErrMsg[ecUNTERMINATED_STRING] = _T("Unterminated string starting at position $POS$.");
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m_vErrMsg[ecSTRING_EXPECTED] = _T("String function called with a non string type of argument.");
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m_vErrMsg[ecVAL_EXPECTED] = _T("String value used where a numerical argument is expected.");
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m_vErrMsg[ecOPRT_TYPE_CONFLICT] = _T("No suitable overload for operator \"$TOK$\" at position $POS$.");
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m_vErrMsg[ecSTR_RESULT] = _T("Function result is a string.");
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m_vErrMsg[ecGENERIC] = _T("Parser error.");
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m_vErrMsg[ecLOCALE] = _T("Decimal separator is identic to function argument separator.");
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m_vErrMsg[ecUNEXPECTED_CONDITIONAL] = _T("The \"$TOK$\" operator must be preceded by a closing bracket.");
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m_vErrMsg[ecMISSING_ELSE_CLAUSE] = _T("If-then-else operator is missing an else clause");
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m_vErrMsg[ecMISPLACED_COLON] = _T("Misplaced colon at position $POS$");
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m_vErrMsg[ecUNREASONABLE_NUMBER_OF_COMPUTATIONS] = _T("Number of computations to small for bulk mode. (Vectorisation overhead too costly)");
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#if defined(_DEBUG)
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for (int i=0; i<ecCOUNT; ++i)
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if (!m_vErrMsg[i].length())
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assert(false);
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#endif
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}
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//---------------------------------------------------------------------------
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//
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// ParserError class
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//
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//---------------------------------------------------------------------------
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/** \brief Default constructor. */
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ParserError::ParserError()
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:m_strMsg()
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,m_strFormula()
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,m_strTok()
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,m_iPos(-1)
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,m_iErrc(ecUNDEFINED)
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,m_ErrMsg(ParserErrorMsg::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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It does not contain any information but the error code.
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*/
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ParserError::ParserError(EErrorCodes a_iErrc)
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:m_strMsg()
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,m_strFormula()
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,m_strTok()
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,m_iPos(-1)
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,m_iErrc(a_iErrc)
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,m_ErrMsg(ParserErrorMsg::Instance())
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{
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m_strMsg = m_ErrMsg[m_iErrc];
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stringstream_type stream;
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stream << (int)m_iPos;
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ReplaceSubString(m_strMsg, _T("$POS$"), stream.str());
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ReplaceSubString(m_strMsg, _T("$TOK$"), m_strTok);
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}
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//------------------------------------------------------------------------------
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/** \brief Construct an error from a message text. */
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ParserError::ParserError(const string_type &sMsg)
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:m_ErrMsg(ParserErrorMsg::Instance())
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{
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Reset();
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m_strMsg = sMsg;
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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 occurred.
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*/
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ParserError::ParserError( EErrorCodes iErrc,
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const string_type &sTok,
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const string_type &sExpr,
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int iPos )
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:m_strMsg()
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,m_strFormula(sExpr)
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,m_strTok(sTok)
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,m_iPos(iPos)
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,m_iErrc(iErrc)
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,m_ErrMsg(ParserErrorMsg::Instance())
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{
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m_strMsg = m_ErrMsg[m_iErrc];
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stringstream_type stream;
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stream << (int)m_iPos;
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ReplaceSubString(m_strMsg, _T("$POS$"), stream.str());
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ReplaceSubString(m_strMsg, _T("$TOK$"), m_strTok);
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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 occurred.
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\param [in] sTok The token string related to this error.
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*/
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ParserError::ParserError(EErrorCodes iErrc, int iPos, const string_type &sTok)
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:m_strMsg()
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,m_strFormula()
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,m_strTok(sTok)
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,m_iPos(iPos)
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,m_iErrc(iErrc)
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,m_ErrMsg(ParserErrorMsg::Instance())
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{
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m_strMsg = m_ErrMsg[m_iErrc];
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stringstream_type stream;
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stream << (int)m_iPos;
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ReplaceSubString(m_strMsg, _T("$POS$"), stream.str());
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ReplaceSubString(m_strMsg, _T("$TOK$"), m_strTok);
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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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ParserError::ParserError(const char_type *szMsg, int iPos, const string_type &sTok)
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:m_strMsg(szMsg)
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,m_strFormula()
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,m_strTok(sTok)
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,m_iPos(iPos)
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,m_iErrc(ecGENERIC)
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,m_ErrMsg(ParserErrorMsg::Instance())
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{
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stringstream_type stream;
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stream << (int)m_iPos;
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ReplaceSubString(m_strMsg, _T("$POS$"), stream.str());
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ReplaceSubString(m_strMsg, _T("$TOK$"), m_strTok);
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}
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//------------------------------------------------------------------------------
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/** \brief Copy constructor. */
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ParserError::ParserError(const ParserError &a_Obj)
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:m_strMsg(a_Obj.m_strMsg)
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,m_strFormula(a_Obj.m_strFormula)
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,m_strTok(a_Obj.m_strTok)
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,m_iPos(a_Obj.m_iPos)
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,m_iErrc(a_Obj.m_iErrc)
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,m_ErrMsg(ParserErrorMsg::Instance())
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{
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}
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//------------------------------------------------------------------------------
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/** \brief Assignment operator. */
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ParserError& ParserError::operator=(const ParserError &a_Obj)
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{
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if (this==&a_Obj)
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return *this;
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m_strMsg = a_Obj.m_strMsg;
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m_strFormula = a_Obj.m_strFormula;
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m_strTok = a_Obj.m_strTok;
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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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ParserError::~ParserError()
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{}
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//------------------------------------------------------------------------------
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/** \brief Replace all occurrences of a substring with another string.
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\param strFind The string that shall be replaced.
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\param strReplaceWith The string that should be inserted instead of strFind
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*/
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void ParserError::ReplaceSubString( string_type &strSource,
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const string_type &strFind,
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const string_type &strReplaceWith)
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{
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string_type strResult;
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string_type::size_type iPos(0), iNext(0);
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for(;;)
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{
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iNext = strSource.find(strFind, iPos);
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strResult.append(strSource, iPos, iNext-iPos);
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if( iNext==string_type::npos )
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break;
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strResult.append(strReplaceWith);
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iPos = iNext + strFind.length();
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}
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strSource.swap(strResult);
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}
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//------------------------------------------------------------------------------
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/** \brief Reset the erro object. */
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void ParserError::Reset()
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{
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m_strMsg = _T("");
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m_strFormula = _T("");
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m_strTok = _T("");
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m_iPos = -1;
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m_iErrc = ecUNDEFINED;
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}
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//------------------------------------------------------------------------------
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/** \brief Set the expression related to this error. */
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void ParserError::SetFormula(const string_type &a_strFormula)
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{
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m_strFormula = a_strFormula;
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}
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//------------------------------------------------------------------------------
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/** \brief gets the expression related tp this error.*/
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const string_type& ParserError::GetExpr() const
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{
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return m_strFormula;
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}
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//------------------------------------------------------------------------------
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/** \brief Returns the message string for this error. */
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const string_type& ParserError::GetMsg() const
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{
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return m_strMsg;
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}
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//------------------------------------------------------------------------------
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/** \brief Return the formula position related to the error.
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If the error is not related to a distinct position this will return -1
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*/
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int ParserError::GetPos() const
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{
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return m_iPos;
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}
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//------------------------------------------------------------------------------
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/** \brief Return string related with this token (if available). */
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const string_type& ParserError::GetToken() const
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{
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return m_strTok;
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}
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//------------------------------------------------------------------------------
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/** \brief Return the error code. */
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EErrorCodes ParserError::GetCode() const
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{
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return m_iErrc;
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}
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} // namespace mu
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#if __clang__
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#pragma clang diagnostic pop
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#endif
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