- bool good;
-
- Statement parse_(const Token *);
- Token parse_token();
- bool is_delimiter(int);
- bool isodigit(int);
- std::string unescape_string(const std::string &);
- std::string get_location();
- void parse_error(int, int);
+ bool good;
+ ParserMode *mode;
+
+public:
+ Parser(IO::Base &i, const std::string &s);
+ ~Parser();
+
+ /**
+ Reads a statement from the input. If the end of input was reached, an empty
+ invalid statement will be returned. If an error occurs, the parser will be
+ marked as bad and no more statements may be read, even if the exception was
+ caught.
+ */
+ Statement parse();
+
+ operator bool() const { return good && in; }