Mercurial > vim
view src/regexp.h @ 3479:840378901d17
Added tag v7-3-503 for changeset 65d036fd449e
author | Bram Moolenaar <bram@vim.org> |
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date | Wed, 25 Apr 2012 12:28:10 +0200 |
parents | 84825cc6f049 |
children | ccecb03e5e8b |
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/* vi:set ts=8 sts=4 sw=4: * * NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE * * This is NOT the original regular expression code as written by Henry * Spencer. This code has been modified specifically for use with Vim, and * should not be used apart from compiling Vim. If you want a good regular * expression library, get the original code. * * NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE */ #ifndef _REGEXP_H #define _REGEXP_H /* * The number of sub-matches is limited to 10. * The first one (index 0) is the whole match, referenced with "\0". * The second one (index 1) is the first sub-match, referenced with "\1". * This goes up to the tenth (index 9), referenced with "\9". */ #define NSUBEXP 10 /* * Structure returned by vim_regcomp() to pass on to vim_regexec(). * These fields are only to be used in regexp.c! * See regep.c for an explanation. */ typedef struct { int regstart; char_u reganch; char_u *regmust; int regmlen; unsigned regflags; char_u reghasz; char_u program[1]; /* actually longer.. */ } regprog_T; /* * Structure to be used for single-line matching. * Sub-match "no" starts at "startp[no]" and ends just before "endp[no]". * When there is no match, the pointer is NULL. */ typedef struct { regprog_T *regprog; char_u *startp[NSUBEXP]; char_u *endp[NSUBEXP]; int rm_ic; } regmatch_T; /* * Structure to be used for multi-line matching. * Sub-match "no" starts in line "startpos[no].lnum" column "startpos[no].col" * and ends in line "endpos[no].lnum" just before column "endpos[no].col". * The line numbers are relative to the first line, thus startpos[0].lnum is * always 0. * When there is no match, the line number is -1. */ typedef struct { regprog_T *regprog; lpos_T startpos[NSUBEXP]; lpos_T endpos[NSUBEXP]; int rmm_ic; colnr_T rmm_maxcol; /* when not zero: maximum column */ } regmmatch_T; /* * Structure used to store external references: "\z\(\)" to "\z\1". * Use a reference count to avoid the need to copy this around. When it goes * from 1 to zero the matches need to be freed. */ typedef struct { short refcnt; char_u *matches[NSUBEXP]; } reg_extmatch_T; #endif /* _REGEXP_H */