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583c1de175
These structs are only used in other source files as pointers and their fields aren't accessed in other source files.
88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
// NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE
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//
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// This is NOT the original regular expression code as written by Henry
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// Spencer. This code has been modified specifically for use with Vim, and
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// should not be used apart from compiling Vim. If you want a good regular
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// expression library, get the original code.
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//
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// NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include "nvim/pos_defs.h"
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#include "nvim/types_defs.h"
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enum {
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/// The number of sub-matches is limited to 10.
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/// The first one (index 0) is the whole match, referenced with "\0".
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/// The second one (index 1) is the first sub-match, referenced with "\1".
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/// This goes up to the tenth (index 9), referenced with "\9".
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NSUBEXP = 10,
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};
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typedef struct regengine regengine_T;
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/// Structure to be used for multi-line matching.
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/// Sub-match "no" starts in line "startpos[no].lnum" column "startpos[no].col"
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/// and ends in line "endpos[no].lnum" just before column "endpos[no].col".
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/// The line numbers are relative to the first line, thus startpos[0].lnum is
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/// always 0.
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/// When there is no match, the line number is -1.
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typedef struct {
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regprog_T *regprog;
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lpos_T startpos[NSUBEXP];
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lpos_T endpos[NSUBEXP];
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colnr_T rmm_matchcol; ///< match start without "\zs"
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int rmm_ic;
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colnr_T rmm_maxcol; ///< when not zero: maximum column
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} regmmatch_T;
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/// Used for "magic_overruled".
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typedef enum {
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OPTION_MAGIC_NOT_SET, ///< p_magic not overruled
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OPTION_MAGIC_ON, ///< magic on inside regexp
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OPTION_MAGIC_OFF, ///< magic off inside regexp
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} optmagic_T;
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/// Magicness of a pattern, used by regexp code.
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/// The order and values matter:
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/// magic <= MAGIC_OFF includes MAGIC_NONE
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/// magic >= MAGIC_ON includes MAGIC_ALL
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typedef enum {
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MAGIC_NONE = 1, ///< "\V" very unmagic
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MAGIC_OFF = 2, ///< "\M" or 'magic' off
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MAGIC_ON = 3, ///< "\m" or 'magic'
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MAGIC_ALL = 4, ///< "\v" very magic
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} magic_T;
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/// Structure to be used for single-line matching.
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/// Sub-match "no" starts at "startp[no]" and ends just before "endp[no]".
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/// When there is no match, the pointer is NULL.
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typedef struct {
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regprog_T *regprog;
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char *startp[NSUBEXP];
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char *endp[NSUBEXP];
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colnr_T rm_matchcol; ///< match start without "\zs"
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bool rm_ic;
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} regmatch_T;
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/// Structure used to store external references: "\z\(\)" to "\z\1".
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/// Use a reference count to avoid the need to copy this around. When it goes
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/// from 1 to zero the matches need to be freed.
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typedef struct {
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int16_t refcnt;
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uint8_t *matches[NSUBEXP];
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} reg_extmatch_T;
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/// Flags used by vim_regsub() and vim_regsub_both()
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enum {
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REGSUB_COPY = 1,
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REGSUB_MAGIC = 2,
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REGSUB_BACKSLASH = 4,
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};
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