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/* regexp.h
*/
/*
* Definitions etc. for regexp(3) routines.
*
* Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
* not the System V one.
*/
typedef struct regexp {
char **startp;
char **endp;
SV *regstart; /* Internal use only. */
char *regstclass;
SV *regmust; /* Internal use only. */
I32 regback; /* Can regmust locate first try? */
I32 minlen; /* mininum possible length of $& */
I32 prelen; /* length of precomp */
U32 nparens; /* number of parentheses */
U32 lastparen; /* last paren matched */
char *precomp; /* pre-compilation regular expression */
char *subbase; /* saved string so \digit works forever */
char *subbeg; /* same, but not responsible for allocation */
char *subend; /* end of subbase */
U16 naughty; /* how exponential is this pattern? */
char reganch; /* Internal use only. */
char do_folding; /* do case-insensitive match? */
char program[1]; /* Unwarranted chumminess with compiler. */
} regexp;
#define ROPT_ANCH 1
#define ROPT_SKIP 2
#define ROPT_IMPLICIT 4
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