libc/regex/regcomp.c

139 #define	MORE()	(p->next < p->end)
141 #define	SEE(c)	(MORE() && PEEK() == (c))
142 #define	SEETWO(a, b)	(MORE() && MORE2() && PEEK() == (a) && PEEK2() == (b))
152 #define	MUSTSEE(c, e)	(REQUIRE(MORE() && PEEK() == (c), e))
153 #define	MUSTEAT(c, e)	(REQUIRE(MORE() && GETNEXT() == (c), e))
154 #define	MUSTNOTSEE(c, e)	(REQUIRE(!MORE() || PEEK() != (c), e))
308 		while (MORE() && (c = PEEK()) != '|' && c != stop)
333 	assert(!MORE() || SEE(stop));
351 	assert(MORE());		/* caller should have ensured this */
357 		(void)REQUIRE(MORE(), REG_EPAREN);
413 		(void)REQUIRE(MORE(), REG_EESCAPE);
428 		(void)REQUIRE(!MORE() || !isdigit((uch)PEEK()), REG_BADRPT);
437 	if (!MORE())
480 			while (MORE() && PEEK() != '}')
482 			(void)REQUIRE(MORE(), REG_EBRACE);
488 	if (!MORE())
504 	(void)REQUIRE(MORE(), REG_EMPTY);
505 	while (MORE())
533 	while (MORE() && !SEETWO(end1, end2)) {
566 	assert(MORE());		/* caller should have ensured this */
569 		(void)REQUIRE(MORE(), REG_EESCAPE);
597 		/* the MORE here is an error heuristic */
598 		if (MORE() && !SEETWO('\\', ')'))
653 			if (MORE() && isdigit((uch)PEEK())) {
662 			while (MORE() && !SEETWO('\\', '}'))
664 			(void)REQUIRE(MORE(), REG_EBRACE);
683 	while (MORE() && isdigit((uch)PEEK()) && count <= DUPMAX) {
725 	while (MORE() && PEEK() != ']' && !SEETWO('-', ']'))
758 	switch ((MORE()) ? PEEK() : '\0') {
773 		(void)REQUIRE(MORE(), REG_EBRACK);
777 		(void)REQUIRE(MORE(), REG_EBRACK);
782 		(void)REQUIRE(MORE(), REG_EBRACK);
786 		(void)REQUIRE(MORE(), REG_EBRACK);
832 	while (MORE() && isalpha((uch)PEEK()))
872 	(void)REQUIRE(MORE(), REG_EBRACK);
897 	while (MORE() && !SEETWO(endc, ']'))
899 	if (!MORE()) {