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Commit	Line	Data
	1	/* regexp.h
	2	*/
	3
	4	/*
	5	* Definitions etc. for regexp(3) routines.
	6	*
	7	* Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
	8	* not the System V one.
	9	*/
	10
	11
	12	typedef struct regexp {
	13	char **startp;
	14	char **endp;
	15	SV regstart; / Internal use only. */
	16	char *regstclass;
	17	SV regmust; / Internal use only. */
	18	I32 regback; /* Can regmust locate first try? */
	19	I32 minlen; /* mininum possible length of $& */
	20	I32 prelen; /* length of precomp */
	21	U32 nparens; /* number of parentheses */
	22	U32 lastparen; /* last paren matched */
	23	char precomp; / pre-compilation regular expression */
	24	char subbase; / saved string so \digit works forever */
	25	char subbeg; / same, but not responsible for allocation */
	26	char subend; / end of subbase */
	27	U16 naughty; /* how exponential is this pattern? */
	28	char reganch; /* Internal use only. */
	29	char exec_tainted; /* Tainted information used by regexec? */
	30	char program[1]; /* Unwarranted chumminess with compiler. */
	31	} regexp;
	32
	33	#define ROPT_ANCH 3
	34	#define ROPT_ANCH_BOL 1
	35	#define ROPT_ANCH_GPOS 2
	36	#define ROPT_SKIP 4
	37	#define ROPT_IMPLICIT 8