#ifndef DRIVER_HH # define DRIVER_HH # include <string> # include <map> # include "parser.hh" // Give Flex the prototype of yylex we want ... # define YY_DECL \ yy::parser::symbol_type yylex (driver& drv) // ... and declare it for the parser's sake. YY_DECL; // Conducting the whole scanning and parsing of Calc++. class driver { public: driver (); std::map<std::string, int> variables; int result; // Run the parser on file F. Return 0 on success. int parse (const std::string& f); // The name of the file being parsed. std::string file; // Whether to generate parser debug traces. bool trace_parsing; // Handling the scanner. void scan_begin (); void scan_end (); // Whether to generate scanner debug traces. bool trace_scanning; // The token's location used by the scanner. yy::location location; }; #endif // ! DRIVER_HH