#ifndef _GRAMMAR_H_
#define _GRAMMAR_H_

#include <string>
#include <map>
#include <boost/filesystem.hpp>
#include <set>

typedef std::map<std::string,std::string>::value_type tSSValue;

namespace delphin {

class Grammar {

	public:
		Grammar(const std::string &);
		~Grammar();

		class TdlLexer * const lexer() {return _lexer;}

		std::string &grammarname() {return _gfilename;}
		std::string grammardir();
		void set_letype(std::string le, std::string letype);
		std::string letype(std::string &le);
		std::string lexeme(std::string &le);
		void add_lexrule(std::string rule);
		bool is_lexrule(std::string rule);
		void add_letype(std::string letype);
		bool is_letype(std::string letype);

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

	private:
		class TdlLexer *_lexer;

		std::string _gfilename;
		boost::filesystem::path _gfile;
		boost::filesystem::path _gpath;
		
		std::map<std::string, std::string> _letypes;
		std::map<std::string, std::string> _lexemes;
		std::set<std::string> _lex_rules;
		std::set<std::string> _letype_list;

};

} //namespace
#endif