Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* regexp.h |
2 | */ | |
3 | ||
378cc40b LW |
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 | ||
378cc40b | 11 | |
378cc40b | 12 | typedef struct regexp { |
fe14fcc3 LW |
13 | char **startp; |
14 | char **endp; | |
79072805 | 15 | SV *regstart; /* Internal use only. */ |
378cc40b | 16 | char *regstclass; |
79072805 LW |
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 */ | |
a0d0e21e LW |
21 | U32 nparens; /* number of parentheses */ |
22 | U32 lastparen; /* last paren matched */ | |
378cc40b LW |
23 | char *precomp; /* pre-compilation regular expression */ |
24 | char *subbase; /* saved string so \digit works forever */ | |
9ef589d8 | 25 | char *subbeg; /* same, but not responsible for allocation */ |
00bf170e | 26 | char *subend; /* end of subbase */ |
a0d0e21e | 27 | U16 naughty; /* how exponential is this pattern? */ |
378cc40b | 28 | char reganch; /* Internal use only. */ |
bbce6d69 | 29 | char exec_tainted; /* Tainted information used by regexec? */ |
378cc40b LW |
30 | char program[1]; /* Unwarranted chumminess with compiler. */ |
31 | } regexp; | |
32 | ||
774d564b | 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 |