OpenFPGA/libs/EXTERNAL/libblifparse/src/blif_lexer.hpp

34 lines
755 B
C++

#ifndef BLIF_LEXER_HPP
#define BLIF_LEXER_HPP
#include "blifparse.hpp" //For blifparse::Callback
#include "blif_parser.hpp" //For Parser::symbol_type
namespace blifparse {
typedef void* yyscan_t;
class Lexer {
public:
Lexer(FILE* file, Callback& callback);
~Lexer();
Parser::symbol_type next_token();
const char* text() const;
int lineno() const;
private:
yyscan_t state_;
Callback& callback_;
};
/*
* The YY_DECL is used by flex to specify the signature of the main
* lexer function.
*
* We re-define it to something reasonable
*/
#undef YY_DECL
#define YY_DECL blifparse::Parser::symbol_type blifparse_lex(yyscan_t yyscanner, blifparse::Callback& callback)
} //namespace
#endif