#ifndef CALCXX_DRIVER_HH

# define CALCXX_DRIVER_HH

# include <string>

# include <map>

# include "calc++-parser.h"

// Tell Flex the lexer"s prototype ...

# define YY_DECL \

yy::calcxx_parser::token_type \

yylex (yy::calcxx_parser::semantic_type* yylval, \

yy::calcxx_parser::location_type* yylloc, \

calcxx_driver& driver)

// ... and declare it for the parser"s sake.

YY_DECL;

// Conducting the whole scanning and parsing of Calc++.

class calcxx_driver

{

public:

calcxx_driver ();

virtual ~calcxx_driver ();

std::map<std::string, int> variables;

int result;

// Handling the scanner.

void scan_begin ();

void scan_end ();

bool trace_scanning;

// Run the parser. Return 0 on success.

int parse (const std::string& f);

std::string file;

bool trace_parsing;

// Error handling.

void error (const yy::location& l, const std::string& m);

void error (const std::string& m);

};

#endif // ! CALCXX_DRIVER_HH