blob: 33d9e3250e8a0c6fce8879e501ed16c8e8f23728 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/*
* Definitions etc. for regexp(3) routines.
*
* Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
* not the System V one.
*/
/* $RCSfile: regexp.h,v $$Revision: 4.0.1.2 $$Date: 91/11/05 18:24:31 $
*
* $Log: regexp.h,v $
* Revision 4.0.1.2 91/11/05 18:24:31 lwall
* patch11: minimum match length calculation in regexp is now cumulative
* patch11: initial .* in pattern had dependency on value of $*
*
* Revision 4.0.1.1 91/06/07 11:51:18 lwall
* patch4: new copyright notice
* patch4: // wouldn't use previous pattern if it started with a null character
* patch4: $` was busted inside s///
*
* Revision 4.0 91/03/20 01:39:23 lwall
* 4.0 baseline.
*
*/
typedef struct regexp {
char **startp;
char **endp;
STR *regstart; /* Internal use only. */
char *regstclass;
STR *regmust; /* Internal use only. */
int regback; /* Can regmust locate first try? */
int minlen; /* mininum possible length of $& */
int prelen; /* length of precomp */
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 */
char reganch; /* Internal use only. */
char do_folding; /* do case-insensitive match? */
char lastparen; /* last paren matched */
char nparens; /* number of parentheses */
char program[1]; /* Unwarranted chumminess with compiler. */
} regexp;
#define ROPT_ANCH 1
#define ROPT_SKIP 2
#define ROPT_IMPLICIT 4
regexp *regcomp();
int regexec();
|
