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-rw-r--r--src/nvim/syntax.c101
1 files changed, 71 insertions, 30 deletions
diff --git a/src/nvim/syntax.c b/src/nvim/syntax.c
index 65c0e2464a..d28e996581 100644
--- a/src/nvim/syntax.c
+++ b/src/nvim/syntax.c
@@ -42,6 +42,7 @@
#include "nvim/ui.h"
#include "nvim/os/os.h"
#include "nvim/os/time.h"
+#include "nvim/api/private/helpers.h"
static bool did_syntax_onoff = false;
@@ -78,7 +79,7 @@ struct hl_group {
#define SG_LINK 8 // link has been set
/// @}
-// highlight groups for 'highlight' option
+// builtin |highlight-groups|
static garray_T highlight_ga = GA_EMPTY_INIT_VALUE;
static inline struct hl_group * HL_TABLE(void)
@@ -4008,10 +4009,10 @@ get_syn_options (
{
char_u *gname_start, *gname;
int syn_id;
- int len;
+ int len = 0;
char *p;
int fidx;
- static struct flag {
+ static const struct flag {
char *name;
int argtype;
int flags;
@@ -4034,7 +4035,7 @@ get_syn_options (
{"cCoOnNtTaAiInNsS", 1, 0},
{"cCoOnNtTaAiInNeEdDiInN", 2, 0},
{"nNeExXtTgGrRoOuUpP", 3, 0},};
- static char *first_letters = "cCoOkKeEtTsSgGdDfFnN";
+ static const char *const first_letters = "cCoOkKeEtTsSgGdDfFnN";
if (arg == NULL) /* already detected error */
return NULL;
@@ -4054,9 +4055,10 @@ get_syn_options (
for (fidx = ARRAY_SIZE(flagtab); --fidx >= 0; ) {
p = flagtab[fidx].name;
int i;
- for (i = 0, len = 0; p[i] != NUL; i += 2, ++len)
+ for (i = 0, len = 0; p[i] != NUL; i += 2, ++len) {
if (arg[len] != p[i] && arg[len] != p[i + 1])
break;
+ }
if (p[i] == NUL && (ascii_iswhite(arg[len])
|| (flagtab[fidx].argtype > 0
? arg[len] == '='
@@ -5567,8 +5569,10 @@ bool syntax_present(win_T *win)
static enum {
- EXP_SUBCMD, /* expand ":syn" sub-commands */
- EXP_CASE /* expand ":syn case" arguments */
+ EXP_SUBCMD, // expand ":syn" sub-commands
+ EXP_CASE, // expand ":syn case" arguments
+ EXP_SPELL, // expand ":syn spell" arguments
+ EXP_SYNC // expand ":syn sync" arguments
} expand_what;
/*
@@ -5612,6 +5616,10 @@ void set_context_in_syntax_cmd(expand_T *xp, const char *arg)
xp->xp_context = EXPAND_NOTHING;
} else if (STRNICMP(arg, "case", p - arg) == 0) {
expand_what = EXP_CASE;
+ } else if (STRNICMP(arg, "spell", p - arg) == 0) {
+ expand_what = EXP_SPELL;
+ } else if (STRNICMP(arg, "sync", p - arg) == 0) {
+ expand_what = EXP_SYNC;
} else if (STRNICMP(arg, "keyword", p - arg) == 0
|| STRNICMP(arg, "region", p - arg) == 0
|| STRNICMP(arg, "match", p - arg) == 0
@@ -5624,17 +5632,33 @@ void set_context_in_syntax_cmd(expand_T *xp, const char *arg)
}
}
-static char *(case_args[]) = {"match", "ignore", NULL};
-
/*
* Function given to ExpandGeneric() to obtain the list syntax names for
* expansion.
*/
char_u *get_syntax_name(expand_T *xp, int idx)
{
- if (expand_what == EXP_SUBCMD)
- return (char_u *)subcommands[idx].name;
- return (char_u *)case_args[idx];
+ switch (expand_what) {
+ case EXP_SUBCMD:
+ return (char_u *)subcommands[idx].name;
+ case EXP_CASE: {
+ static char *case_args[] = { "match", "ignore", NULL };
+ return (char_u *)case_args[idx];
+ }
+ case EXP_SPELL: {
+ static char *spell_args[] =
+ { "toplevel", "notoplevel", "default", NULL };
+ return (char_u *)spell_args[idx];
+ }
+ case EXP_SYNC: {
+ static char *sync_args[] =
+ { "ccomment", "clear", "fromstart",
+ "linebreaks=", "linecont", "lines=", "match",
+ "maxlines=", "minlines=", "region", NULL };
+ return (char_u *)sync_args[idx];
+ }
+ }
+ return NULL;
}
@@ -5845,9 +5869,12 @@ static void syntime_report(void)
}
}
- /* sort on total time */
- qsort(ga.ga_data, (size_t)ga.ga_len, sizeof(time_entry_T),
- syn_compare_syntime);
+ // Sort on total time. Skip if there are no items to avoid passing NULL
+ // pointer to qsort().
+ if (ga.ga_len > 1) {
+ qsort(ga.ga_data, (size_t)ga.ga_len, sizeof(time_entry_T),
+ syn_compare_syntime);
+ }
MSG_PUTS_TITLE(_(
" TOTAL COUNT MATCH SLOWEST AVERAGE NAME PATTERN"));
@@ -6622,7 +6649,6 @@ do_highlight(char_u *line, int forceit, int init) {
syn_unadd_group();
} else {
if (is_normal_group) {
- HL_TABLE()[idx].sg_attr = 0;
// Need to update all groups, because they might be using "bg" and/or
// "fg", which have been changed now.
highlight_attr_set_all();
@@ -6825,8 +6851,6 @@ int hl_combine_attr(int char_attr, int prim_attr)
if (char_aep != NULL) {
// Copy all attributes from char_aep to the new entry
new_en = *char_aep;
- } else {
- memset(&new_en, 0, sizeof(new_en));
}
spell_aep = syn_cterm_attr2entry(prim_attr);
@@ -6859,6 +6883,7 @@ int hl_combine_attr(int char_attr, int prim_attr)
/// \note this function does not apply exclusively to cterm attr contrary
/// to what its name implies
+/// \warn don't call it with attr 0 (i.e., the null attribute)
attrentry_T *syn_cterm_attr2entry(int attr)
{
attr -= ATTR_OFF;
@@ -7103,22 +7128,14 @@ syn_list_header(int did_header, int outlen, int id)
return newline;
}
-/*
- * Set the attribute numbers for a highlight group.
- * Called after one of the attributes has changed.
- */
-static void
-set_hl_attr (
- int idx /* index in array */
-)
+/// Set the attribute numbers for a highlight group.
+/// Called after one of the attributes has changed.
+/// @param idx corrected highlight index
+static void set_hl_attr(int idx)
{
attrentry_T at_en = ATTRENTRY_INIT;
struct hl_group *sgp = HL_TABLE() + idx;
- // The "Normal" group doesn't need an attribute number
- if (sgp->sg_name_u != NULL && STRCMP(sgp->sg_name_u, "NORMAL") == 0) {
- return;
- }
at_en.cterm_ae_attr = sgp->sg_cterm;
at_en.cterm_fg_color = sgp->sg_cterm_fg;
@@ -8227,6 +8244,30 @@ RgbValue name_to_color(const uint8_t *name)
return -1;
}
+/// Gets highlight description for id `attr_id` as a map.
+Dictionary hl_get_attr_by_id(Integer attr_id, Boolean rgb, Error *err)
+{
+ HlAttrs attrs = HLATTRS_INIT;
+ Dictionary dic = ARRAY_DICT_INIT;
+
+ if (attr_id == 0) {
+ goto end;
+ }
+
+ attrentry_T *aep = syn_cterm_attr2entry((int)attr_id);
+ if (!aep) {
+ api_set_error(err, kErrorTypeException,
+ "Invalid attribute id: %" PRId64, attr_id);
+ return dic;
+ }
+
+ attrs = attrentry2hlattrs(aep, rgb);
+
+end:
+ return hlattrs2dict(attrs);
+}
+
+
/**************************************
* End of Highlighting stuff *
**************************************/