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406f397e8b
Prior to commit 7c4c13ffef (math: Reject unexpected expression input
explicitly, 2018-05-18) we ignored unexpected characters in an
expression that otherwise can be parsed. In order to preserve
compatibility with projects that accidentally used this, convert the
error to a warning.
63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmExprParserHelper_h
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#define cmExprParserHelper_h
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#include "cmConfigure.h" // IWYU pragma: keep
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#include "cm_kwiml.h"
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#include <string>
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#include <vector>
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class cmExprParserHelper
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{
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public:
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struct ParserType
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{
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KWIML_INT_int64_t Number;
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};
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cmExprParserHelper();
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~cmExprParserHelper();
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int ParseString(const char* str, int verb);
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int LexInput(char* buf, int maxlen);
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void Error(const char* str);
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void SetResult(KWIML_INT_int64_t value);
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KWIML_INT_int64_t GetResult() { return this->Result; }
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const char* GetError() { return this->ErrorString.c_str(); }
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void UnexpectedChar(char c);
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std::string const& GetWarning() const { return this->WarningString; }
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private:
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std::string::size_type InputBufferPos;
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std::string InputBuffer;
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std::vector<char> OutputBuffer;
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int CurrentLine;
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int Verbose;
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void Print(const char* place, const char* str);
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void SetError(std::string errorString);
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KWIML_INT_int64_t Result;
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const char* FileName;
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long FileLine;
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std::string ErrorString;
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std::string WarningString;
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};
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#define YYSTYPE cmExprParserHelper::ParserType
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#define YYSTYPE_IS_DECLARED
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#define YY_EXTRA_TYPE cmExprParserHelper*
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#define YY_DECL int cmExpr_yylex(YYSTYPE* yylvalp, yyscan_t yyscanner)
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#endif
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