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Give each syntax item a sequence number, so that we know when it starts and

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can show the 'cchar' for each of them.
This commit is contained in:
Bram Moolenaar 2010-07-24 17:29:03 +02:00
parent 2c3b1d9976
commit ffbbcb597c
4 changed files with 18 additions and 12 deletions
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3
runtime/doc/todo.txt
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@ -42,9 +42,6 @@ Add documentation for Python 3 support.
Check position in wrapped line with 'concealcursor' set.
Trick with syntax ID works, but it's not nice. Can we give a sequence nr to
syntax item matches? At least the ones with a replacement char.
'undoreload' option: when fewer lines than these consider a reload as a change
action and save the text before the reload, don't clear undo info.

2
src/proto/syntax.pro
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@ -15,7 +15,7 @@ void set_context_in_echohl_cmd __ARGS((expand_T *xp, char_u *arg));
void set_context_in_syntax_cmd __ARGS((expand_T *xp, char_u *arg));
char_u *get_syntax_name __ARGS((expand_T *xp, int idx));
int syn_get_id __ARGS((win_T *wp, long lnum, colnr_T col, int trans, int *spellp, int keep_state));
int get_syntax_info __ARGS((int *idp));
int get_syntax_info __ARGS((int *seqnrp));
int syn_get_sub_char __ARGS((void));
int syn_get_stack_item __ARGS((int i));
int syn_get_foldlevel __ARGS((win_T *wp, long lnum));

8
src/screen.c
View File

@ -2816,7 +2816,7 @@ win_line(wp, lnum, startrow, endrow, nochange)
#ifdef FEAT_CONCEAL
int syntax_flags = 0;
int syntax_id = 0;
int syntax_seqnr = 0;
int prev_syntax_id = 0;
int conceal_attr = hl_attr(HLF_CONCEAL);
int is_concealing = FALSE;
@ -4099,7 +4099,7 @@ win_line(wp, lnum, startrow, endrow, nochange)
if (c == NUL)
syntax_flags = 0;
else
syntax_flags = get_syntax_info(&syntax_id);
syntax_flags = get_syntax_info(&syntax_seqnr);
# endif
}
#endif
@ -4430,7 +4430,7 @@ win_line(wp, lnum, startrow, endrow, nochange)
&& !lnum_in_visual_area)
{
char_attr = conceal_attr;
if (prev_syntax_id != syntax_id
if (prev_syntax_id != syntax_seqnr
&& (syn_get_sub_char() != NUL || wp->w_p_cole == 1)
&& wp->w_p_cole != 3)
{
@ -4443,7 +4443,7 @@ win_line(wp, lnum, startrow, endrow, nochange)
else
c = ' ';
prev_syntax_id = syntax_id;
prev_syntax_id = syntax_seqnr;
if (n_extra > 0)
vcol_off += n_extra;

17
src/syntax.c
View File

@ -196,6 +196,7 @@ static int current_id = 0; /* ID of current char for syn_get_id() */
static int current_trans_id = 0; /* idem, transparency removed */
#endif
#ifdef FEAT_CONCEAL
static int current_seqnr = 0;
static int current_flags = 0;
static int current_sub_char = 0;
#endif
@ -287,6 +288,7 @@ typedef struct state_item
* HL_SKIP* for si_next_list */
#ifdef FEAT_CONCEAL
int si_char; /* substitution character for conceal */
int si_seqnr; /* sequence number */
#endif
short *si_cont_list; /* list of contained groups */
short *si_next_list; /* nextgroup IDs after this item ends */
@ -298,6 +300,10 @@ typedef struct state_item
#define ID_LIST_ALL (short *)-1 /* valid of si_cont_list for containing all
but contained groups */
#ifdef FEAT_CONCEAL
static int next_seqnr = 0; /* value to use for si_seqnr */
#endif
/*
* Struct to reduce the number of arguments to get_syn_options(), it's used
* very often.
@ -1949,6 +1955,7 @@ syn_current_attr(syncing, displaying, can_spell, keep_state)
cur_si->si_end_idx = 0;
cur_si->si_flags = flags;
#ifdef FEAT_CONCEAL
cur_si->si_seqnr = next_seqnr++;
cur_si->si_char = cchar;
if (current_state.ga_len > 1)
cur_si->si_flags |=
@ -2280,6 +2287,7 @@ syn_current_attr(syncing, displaying, can_spell, keep_state)
#ifdef FEAT_CONCEAL
current_flags = sip->si_flags;
current_sub_char = sip->si_char;
current_seqnr = sip->si_seqnr;
#endif
break;
}
@ -2433,6 +2441,7 @@ push_next_match(cur_si)
cur_si->si_m_lnum = current_lnum;
cur_si->si_flags = spp->sp_flags;
#ifdef FEAT_CONCEAL
cur_si->si_seqnr = next_seqnr++;
cur_si->si_char = spp->sp_char;
if (current_state.ga_len > 1)
cur_si->si_flags |=
@ -6336,14 +6345,14 @@ syn_get_id(wp, lnum, col, trans, spellp, keep_state)
/*
* Get extra information about the syntax item. Must be called right after
* get_syntax_attr().
* Stores the current item ID in "*idp".
* Stores the current item sequence nr in "*seqnrp".
* Returns the current flags.
*/
int
get_syntax_info(idp)
int *idp;
get_syntax_info(seqnrp)
int *seqnrp;
{
*idp = current_id;
*seqnrp = current_seqnr;
return current_flags;
}