def _match(self, kind):
        """The 'match' primitive of RD parsers.

        * Verifies that the current token is of the given kind (kind can
          be a tuple, in which the kind must match one of its members).
        * Returns the value of the current token
        * Reads in the next token
        """
        if (isinstance(kind, tuple) and self.cur_token.kind in kind or
            self.cur_token.kind == kind
            ):
            value = self.cur_token.value
            self._advance()
            return value
        else:
            raise ASDLSyntaxError(
                'Unmatched {} (found {})'.format(kind, self.cur_token.kind),
                self.cur_token.lineno)
The 'match' primitive of RD parsers.

        * Verifies that the current token is of the given kind (kind can
          be a tuple, in which the kind must match one of its members).
        * Returns the value of the current token
        * Reads in the next token