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#pragma once
#include "nvim/buffer_defs.h"
#define SST_MIN_ENTRIES 150 // minimal size for state stack array
#define SST_MAX_ENTRIES 1000 // maximal size for state stack array
#define SST_FIX_STATES 7 // size of sst_stack[].
#define SST_DIST 16 // normal distance between entries
#define SST_INVALID ((synstate_T *)-1) // invalid syn_state pointer
// struct passed to in_id_list()
struct sp_syn {
int inc_tag; // ":syn include" unique tag
int16_t id; // highlight group ID of item
int16_t *cont_in_list; // cont.in group IDs, if non-zero
};
// Each keyword has one keyentry, which is linked in a hash list.
typedef struct keyentry keyentry_T;
struct keyentry {
keyentry_T *ke_next; // next entry with identical "keyword[]"
struct sp_syn k_syn; // struct passed to in_id_list()
int16_t *next_list; // ID list for next match (if non-zero)
int flags;
int k_char; // conceal substitute character
char keyword[];
};
// Struct used to store one state of the state stack.
typedef struct {
int bs_idx; // index of pattern
int bs_flags; // flags for pattern
int bs_seqnr; // stores si_seqnr
int bs_cchar; // stores si_cchar
reg_extmatch_T *bs_extmatch; // external matches from start pattern
} bufstate_T;
// syn_state contains the syntax state stack for the start of one line.
// Used by b_sst_array[].
struct syn_state {
synstate_T *sst_next; // next entry in used or free list
linenr_T sst_lnum; // line number for this state
union {
bufstate_T sst_stack[SST_FIX_STATES]; // short state stack
garray_T sst_ga; // growarray for long state stack
} sst_union;
int sst_next_flags; // flags for sst_next_list
int sst_stacksize; // number of states on the stack
int16_t *sst_next_list; // "nextgroup" list in this state
// (this is a copy, don't free it!
disptick_T sst_tick; // tick when last displayed
linenr_T sst_change_lnum; // when non-zero, change in this line
// may have made the state invalid
};
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