TOK_ATTR_NAME
{"len", TOK_ATTR_NAME, TOK_SUB_LEN},
{"class", TOK_ATTR_NAME, TOK_SUB_CLASS},
{"ulp", TOK_ATTR_NAME, TOK_SUB_ULP},
{"filter", TOK_ATTR_NAME, TOK_SUB_FILTER},
P(TOK_ATTR_NAME)
(tok[1].type == TOK_ATTR_NAME) &&
case TOK_ATTR_NAME: