/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying

   file LICENSE.rst or https://cmake.org/licensing for details.  */

#pragma once

#include "cmConfigure.h" // IWYU pragma: keep

#include <string>

#include <vector>

#include <cm3p/kwiml/int.h>

class cmExprParserHelper

{

public:

  struct ParserType

  {

    KWIML_INT_int64_t Number;

  };

  cmExprParserHelper();

  ~cmExprParserHelper();

  int ParseString(char const* str, int verb);

  int LexInput(char* buf, int maxlen);

  void Error(char const* str);

  void SetResult(KWIML_INT_int64_t value);

  KWIML_INT_int64_t GetResult() const { return this->Result; }

  char const* GetError() { return this->ErrorString.c_str(); }

  void UnexpectedChar(char c);

  std::string const& GetWarning() const { return this->WarningString; }

private:

  std::string::size_type InputBufferPos;

  std::string InputBuffer;

  std::vector<char> OutputBuffer;

  int CurrentLine;

  int Verbose;

  void Print(char const* place, char const* str);

  void SetError(std::string errorString);

  KWIML_INT_int64_t Result;

  char const* FileName;

  long FileLine;

  std::string ErrorString;

  std::string WarningString;

};

#define YYSTYPE cmExprParserHelper::ParserType

#define YYSTYPE_IS_DECLARED

#define YY_EXTRA_TYPE cmExprParserHelper*

#define YY_DECL int cmExpr_yylex(YYSTYPE* yylvalp, yyscan_t yyscanner)