def _rule_value(self):

        terms = [self._get_token()]

        # consume additional terms if available
        while self._lookahead_token() == ',':
            self._get_token()  # chomp the comma
            terms.append(self._get_token())

        return terms
Parses the production rule::
dataset/ETHPy150Open xtrementl/focus/focus/parser/parser.py/SettingParser._rule_value