syntax_defs.h
Go to the documentation of this file.
1 #ifndef NVIM_SYNTAX_DEFS_H
2 #define NVIM_SYNTAX_DEFS_H
3 
4 #include "nvim/highlight_defs.h"
5 
6 #define SST_MIN_ENTRIES 150 // minimal size for state stack array
7 #define SST_MAX_ENTRIES 1000 // maximal size for state stack array
8 #define SST_FIX_STATES 7 // size of sst_stack[].
9 #define SST_DIST 16 // normal distance between entries
10 #define SST_INVALID (synstate_T *)-1 // invalid syn_state pointer
11 
12 typedef struct syn_state synstate_T;
13 
14 #include "nvim/buffer_defs.h"
15 #include "nvim/regexp_defs.h"
16 
17 // struct passed to in_id_list()
18 struct sp_syn {
19  int inc_tag; // ":syn include" unique tag
20  int16_t id; // highlight group ID of item
21  int16_t *cont_in_list; // cont.in group IDs, if non-zero
22 };
23 
24 /*
25  * Each keyword has one keyentry, which is linked in a hash list.
26  */
27 typedef struct keyentry keyentry_T;
28 
29 struct keyentry {
30  keyentry_T *ke_next; // next entry with identical "keyword[]"
31  struct sp_syn k_syn; // struct passed to in_id_list()
32  int16_t *next_list; // ID list for next match (if non-zero)
33  int flags;
34  int k_char; // conceal substitute character
35  char_u keyword[1]; // actually longer
36 };
37 
38 /*
39  * Struct used to store one state of the state stack.
40  */
41 typedef struct buf_state {
42  int bs_idx; // index of pattern
43  int bs_flags; // flags for pattern
44  int bs_seqnr; // stores si_seqnr
45  int bs_cchar; // stores si_cchar
46  reg_extmatch_T *bs_extmatch; // external matches from start pattern
47 } bufstate_T;
48 
49 /*
50  * syn_state contains the syntax state stack for the start of one line.
51  * Used by b_sst_array[].
52  */
53 struct syn_state {
54  synstate_T *sst_next; // next entry in used or free list
55  linenr_T sst_lnum; // line number for this state
56  union {
57  bufstate_T sst_stack[SST_FIX_STATES]; // short state stack
58  garray_T sst_ga; // growarray for long state stack
59  } sst_union;
60  int sst_next_flags; // flags for sst_next_list
61  int sst_stacksize; // number of states on the stack
62  int16_t *sst_next_list; // "nextgroup" list in this state
63  // (this is a copy, don't free it!
64  disptick_T sst_tick; // tick when last displayed
65  linenr_T sst_change_lnum; // when non-zero, change in this line
66  // may have made the state invalid
67 };
68 
69 #endif // NVIM_SYNTAX_DEFS_H
syn_state::sst_tick
disptick_T sst_tick
Definition: syntax_defs.h:64
buf_state::bs_flags
int bs_flags
Definition: syntax_defs.h:43
syn_state::sst_stack
bufstate_T sst_stack[SST_FIX_STATES]
Definition: syntax_defs.h:57
highlight_defs.h
buf_state::bs_extmatch
reg_extmatch_T * bs_extmatch
Definition: syntax_defs.h:46
syn_state::sst_next
synstate_T * sst_next
Definition: syntax_defs.h:54
keyentry::keyword
char_u keyword[1]
Definition: syntax_defs.h:35
disptick_T
uint64_t disptick_T
Definition: buffer_defs.h:102
reg_extmatch
Definition: regexp_defs.h:154
syn_state::sst_ga
garray_T sst_ga
Definition: syntax_defs.h:58
growarray
Definition: garray.h:12
sp_syn
Definition: syntax_defs.h:18
buf_state::bs_idx
int bs_idx
Definition: syntax_defs.h:42
bufstate_T
struct buf_state bufstate_T
keyentry
Definition: syntax_defs.h:29
keyentry::k_char
int k_char
Definition: syntax_defs.h:34
syn_state::sst_union
union syn_state::@71 sst_union
syn_state::sst_stacksize
int sst_stacksize
Definition: syntax_defs.h:61
buf_state
Definition: syntax_defs.h:41
buf_state::bs_cchar
int bs_cchar
Definition: syntax_defs.h:45
keyentry::ke_next
keyentry_T * ke_next
Definition: syntax_defs.h:30
syn_state::sst_change_lnum
linenr_T sst_change_lnum
Definition: syntax_defs.h:65
syn_state::sst_next_list
int16_t * sst_next_list
Definition: syntax_defs.h:62
regexp_defs.h
keyentry::k_syn
struct sp_syn k_syn
Definition: syntax_defs.h:31
syn_state
Definition: syntax_defs.h:53
keyentry::flags
int flags
Definition: syntax_defs.h:33
sp_syn::cont_in_list
int16_t * cont_in_list
Definition: syntax_defs.h:21
sp_syn::id
int16_t id
Definition: syntax_defs.h:20
sp_syn::inc_tag
int inc_tag
Definition: syntax_defs.h:19
syn_state::sst_lnum
linenr_T sst_lnum
Definition: syntax_defs.h:55
syn_state::sst_next_flags
int sst_next_flags
Definition: syntax_defs.h:60
char_u
unsigned char char_u
Definition: types.h:12
buffer_defs.h
keyentry::next_list
int16_t * next_list
Definition: syntax_defs.h:32
buf_state::bs_seqnr
int bs_seqnr
Definition: syntax_defs.h:44
linenr_T
long linenr_T
Definition: pos.h:7
SST_FIX_STATES
#define SST_FIX_STATES
Definition: syntax_defs.h:8