lib/Support/regcomp.c

116 #define	MORE()	(p->next < p->end)
118 #define	SEE(c)	(MORE() && PEEK() == (c))
119 #define	SEETWO(a, b)	(MORE() && MORE2() && PEEK() == (a) && PEEK2() == (b))
128 #define	MUSTSEE(c, e)	(REQUIRE(MORE() && PEEK() == (c), e))
129 #define	MUSTEAT(c, e)	(REQUIRE(MORE() && GETNEXT() == (c), e))
130 #define	MUSTNOTSEE(c, e)	(REQUIRE(!MORE() || PEEK() != (c), e))
268 		while (MORE() && (c = PEEK()) != '|' && c != stop)
293 	assert(!MORE() || SEE(stop));
310 	assert(MORE());		/* caller should have ensured this */
316 		REQUIRE(MORE(), REG_EPAREN);
372 		REQUIRE(MORE(), REG_EESCAPE);
404 		REQUIRE(!MORE() || !isdigit((uch)PEEK()), REG_BADRPT);
411 	if (!MORE())
454 			while (MORE() && PEEK() != '}')
456 			REQUIRE(MORE(), REG_EBRACE);
462 	if (!MORE())
477 	REQUIRE(MORE(), REG_EMPTY);
478 	while (MORE())
506 	while (MORE() && !SEETWO(end1, end2)) {
537 	assert(MORE());		/* caller should have ensured this */
540 		REQUIRE(MORE(), REG_EESCAPE);
562 		/* the MORE here is an error heuristic */
563 		if (MORE() && !SEETWO('\\', ')'))
616 			if (MORE() && isdigit((uch)PEEK())) {
625 			while (MORE() && !SEETWO('\\', '}'))
627 			REQUIRE(MORE(), REG_EBRACE);
645 	while (MORE() && isdigit((uch)PEEK()) && count <= DUPMAX) {
689 	while (MORE() && PEEK() != ']' && !SEETWO('-', ']'))
747 	switch ((MORE()) ? PEEK() : '\0') {
763 		REQUIRE(MORE(), REG_EBRACK);
767 		REQUIRE(MORE(), REG_EBRACK);
772 		REQUIRE(MORE(), REG_EBRACK);
776 		REQUIRE(MORE(), REG_EBRACK);
811 	while (MORE() && isalpha((uch)PEEK()))
852 	REQUIRE(MORE(), REG_EBRACK);
873 	while (MORE() && !SEETWO(endc, ']'))
875 	if (!MORE()) {