def _parse_tokens(self, tokens, i, actions=True):
    if (i != 0):
        raise ParseException(tokens, i, 'Expected start of tokens', self)
    return ([], i)
def _parse_tokens(self, tokens, i, actions=True):
    if (i != 0):
        raise ParseException(tokens, i, 'Expected start of tokens', self)
    return ([], i)