descriptor.py 文件源码

def _parse_line(self, line_no, line):
        """Parse a line in a TileBus file

        Args:
            lineno (int): The line number for printing useful error messages
            line (string): The line that we are trying to parse
        """

        try:
            matched = statement.parseString(line)
        except ParseException, exc:
            raise DataError("Error parsing line in TileBus file", line_number=line_no, column=exc.col, contents=line)

        if 'symbol' in matched:
            self._parse_cmd(matched)
        elif 'filename' in matched:
            self._parse_include(matched)
        elif 'variable' in matched:
            self._parse_assignment(matched)
        elif 'interface' in matched:
            self._parse_interface(matched)
        elif 'configvar' in matched:
            self._parse_configvar(matched)