Method fail

Tools/clinic/libclinic/cpp.py:67–68

(self, msg: str)

        return " && ".join(condition for token, condition in self.stack)

    def fail(self, msg: str) -> NoReturn:
        raise ParseError(msg, filename=self.filename, lineno=self.line_number)

    def writeline(self, line: str) -> None:
        self.line_number += 1