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Diffstat (limited to 'src/nvim/syntax.c')
-rw-r--r--src/nvim/syntax.c236
1 files changed, 182 insertions, 54 deletions
diff --git a/src/nvim/syntax.c b/src/nvim/syntax.c
index b04180ad1c..05141eaf1e 100644
--- a/src/nvim/syntax.c
+++ b/src/nvim/syntax.c
@@ -62,8 +62,10 @@ struct hl_group {
int sg_gui; // "gui=" highlighting attributes
RgbValue sg_rgb_fg; // RGB foreground color
RgbValue sg_rgb_bg; // RGB background color
+ RgbValue sg_rgb_sp; // RGB special color
uint8_t *sg_rgb_fg_name; // RGB foreground color name
uint8_t *sg_rgb_bg_name; // RGB background color name
+ uint8_t *sg_rgb_sp_name; // RGB special color name
};
#define SG_CTERM 2 // cterm has been set
@@ -810,19 +812,39 @@ static void syn_sync(win_T *wp, linenr_T start_lnum, synstate_T *last_valid)
validate_current_state();
}
+static void save_chartab(char_u *chartab)
+{
+ if (syn_block->b_syn_isk != empty_option) {
+ memmove(chartab, syn_buf->b_chartab, (size_t)32);
+ memmove(syn_buf->b_chartab, syn_win->w_s->b_syn_chartab, (size_t)32);
+ }
+}
+
+static void restore_chartab(char_u *chartab)
+{
+ if (syn_win->w_s->b_syn_isk != empty_option) {
+ memmove(syn_buf->b_chartab, chartab, (size_t)32);
+ }
+}
+
/*
* Return TRUE if the line-continuation pattern matches in line "lnum".
*/
static int syn_match_linecont(linenr_T lnum)
{
- regmmatch_T regmatch;
-
if (syn_block->b_syn_linecont_prog != NULL) {
+ regmmatch_T regmatch;
+ // chartab array for syn iskeyword
+ char_u buf_chartab[32];
+ save_chartab(buf_chartab);
+
regmatch.rmm_ic = syn_block->b_syn_linecont_ic;
regmatch.regprog = syn_block->b_syn_linecont_prog;
int r = syn_regexec(&regmatch, lnum, (colnr_T)0,
IF_SYN_TIME(&syn_block->b_syn_linecont_time));
syn_block->b_syn_linecont_prog = regmatch.regprog;
+
+ restore_chartab(buf_chartab);
return r;
}
return FALSE;
@@ -1615,8 +1637,9 @@ syn_current_attr (
lpos_T pos;
int lc_col;
reg_extmatch_T *cur_extmatch = NULL;
- char_u *line; /* current line. NOTE: becomes invalid after
- looking for a pattern match! */
+ char_u buf_chartab[32]; // chartab array for syn iskeyword
+ char_u *line; // current line. NOTE: becomes invalid after
+ // looking for a pattern match!
/* variables for zero-width matches that have a "nextgroup" argument */
int keep_next_list;
@@ -1666,6 +1689,9 @@ syn_current_attr (
* avoid matching the same item in the same position twice. */
ga_init(&zero_width_next_ga, (int)sizeof(int), 10);
+ // use syntax iskeyword option
+ save_chartab(buf_chartab);
+
/*
* Repeat matching keywords and patterns, to find contained items at the
* same column. This stops when there are no extra matches at the current
@@ -1990,6 +2016,8 @@ syn_current_attr (
} while (found_match);
+ restore_chartab(buf_chartab);
+
/*
* Use attributes from the current state, if within its highlighting.
* If not, use attributes from the current-but-one state, etc.
@@ -2520,7 +2548,8 @@ find_endpos (
regmmatch_T best_regmatch; /* startpos/endpos of best match */
lpos_T pos;
char_u *line;
- int had_match = FALSE;
+ int had_match = false;
+ char_u buf_chartab[32]; // chartab array for syn option iskeyword
/* just in case we are invoked for a keyword */
if (idx < 0)
@@ -2560,9 +2589,13 @@ find_endpos (
unref_extmatch(re_extmatch_in);
re_extmatch_in = ref_extmatch(start_ext);
- matchcol = startpos->col; /* start looking for a match at sstart */
- start_idx = idx; /* remember the first END pattern. */
- best_regmatch.startpos[0].col = 0; /* avoid compiler warning */
+ matchcol = startpos->col; // start looking for a match at sstart
+ start_idx = idx; // remember the first END pattern.
+ best_regmatch.startpos[0].col = 0; // avoid compiler warning
+
+ // use syntax iskeyword option
+ save_chartab(buf_chartab);
+
for (;; ) {
/*
* Find end pattern that matches first after "matchcol".
@@ -2705,6 +2738,8 @@ find_endpos (
if (!had_match)
m_endpos->lnum = 0;
+ restore_chartab(buf_chartab);
+
/* Remove external matches. */
unref_extmatch(re_extmatch_in);
re_extmatch_in = NULL;
@@ -3025,6 +3060,46 @@ static void syn_cmd_spell(exarg_T *eap, int syncing)
redraw_win_later(curwin, NOT_VALID);
}
+/// Handle ":syntax iskeyword" command.
+static void syn_cmd_iskeyword(exarg_T *eap, int syncing)
+{
+ char_u *arg = eap->arg;
+ char_u save_chartab[32];
+ char_u *save_isk;
+
+ if (eap->skip) {
+ return;
+ }
+
+ arg = skipwhite(arg);
+ if (*arg == NUL) {
+ MSG_PUTS("\n");
+ MSG_PUTS(_("syntax iskeyword "));
+ if (curwin->w_s->b_syn_isk != empty_option) {
+ msg_outtrans(curwin->w_s->b_syn_isk);
+ } else {
+ msg_outtrans((char_u *)"not set");
+ }
+ } else {
+ if (STRNICMP(arg, "clear", 5) == 0) {
+ memmove(curwin->w_s->b_syn_chartab, curbuf->b_chartab, (size_t)32);
+ clear_string_option(&curwin->w_s->b_syn_isk);
+ } else {
+ memmove(save_chartab, curbuf->b_chartab, (size_t)32);
+ save_isk = curbuf->b_p_isk;
+ curbuf->b_p_isk = vim_strsave(arg);
+
+ buf_init_chartab(curbuf, false);
+ memmove(curwin->w_s->b_syn_chartab, curbuf->b_chartab, (size_t)32);
+ memmove(curbuf->b_chartab, save_chartab, (size_t)32);
+ clear_string_option(&curwin->w_s->b_syn_isk);
+ curwin->w_s->b_syn_isk = curbuf->b_p_isk;
+ curbuf->b_p_isk = save_isk;
+ }
+ }
+ redraw_win_later(curwin, NOT_VALID);
+}
+
/*
* Clear all syntax info for one buffer.
*/
@@ -3063,6 +3138,7 @@ void syntax_clear(synblock_T *block)
xfree(block->b_syn_linecont_pat);
block->b_syn_linecont_pat = NULL;
block->b_syn_folditems = 0;
+ clear_string_option(&block->b_syn_isk);
/* free the stored states */
syn_stack_free_all(block);
@@ -3105,6 +3181,7 @@ static void syntax_sync_clear(void)
curwin->w_s->b_syn_linecont_prog = NULL;
xfree(curwin->w_s->b_syn_linecont_pat);
curwin->w_s->b_syn_linecont_pat = NULL;
+ clear_string_option(&curwin->w_s->b_syn_isk);
syn_stack_free_all(curwin->w_s); /* Need to recompute all syntax. */
}
@@ -3264,6 +3341,7 @@ static void syn_cmd_enable(exarg_T *eap, int syncing)
/*
* Handle ":syntax reset" command.
+ * It actually resets highlighting, not syntax.
*/
static void syn_cmd_reset(exarg_T *eap, int syncing)
{
@@ -5361,24 +5439,25 @@ struct subcommand {
static struct subcommand subcommands[] =
{
- {"case", syn_cmd_case},
- {"clear", syn_cmd_clear},
- {"cluster", syn_cmd_cluster},
- {"conceal", syn_cmd_conceal},
- {"enable", syn_cmd_enable},
- {"include", syn_cmd_include},
- {"keyword", syn_cmd_keyword},
- {"list", syn_cmd_list},
- {"manual", syn_cmd_manual},
- {"match", syn_cmd_match},
- {"on", syn_cmd_on},
- {"off", syn_cmd_off},
- {"region", syn_cmd_region},
- {"reset", syn_cmd_reset},
- {"spell", syn_cmd_spell},
- {"sync", syn_cmd_sync},
- {"", syn_cmd_list},
- {NULL, NULL}
+ { "case", syn_cmd_case },
+ { "clear", syn_cmd_clear },
+ { "cluster", syn_cmd_cluster },
+ { "conceal", syn_cmd_conceal },
+ { "enable", syn_cmd_enable },
+ { "include", syn_cmd_include },
+ { "iskeyword", syn_cmd_iskeyword },
+ { "keyword", syn_cmd_keyword },
+ { "list", syn_cmd_list },
+ { "manual", syn_cmd_manual },
+ { "match", syn_cmd_match },
+ { "on", syn_cmd_on },
+ { "off", syn_cmd_off },
+ { "region", syn_cmd_region },
+ { "reset", syn_cmd_reset },
+ { "spell", syn_cmd_spell },
+ { "sync", syn_cmd_sync },
+ { "", syn_cmd_list },
+ { NULL, NULL }
};
/*
@@ -5432,6 +5511,7 @@ void ex_ownsyntax(exarg_T *eap)
clear_string_option(&curwin->w_s->b_p_spc);
clear_string_option(&curwin->w_s->b_p_spf);
clear_string_option(&curwin->w_s->b_p_spl);
+ clear_string_option(&curwin->w_s->b_syn_isk);
}
/* save value of b:current_syntax */
@@ -6169,12 +6249,11 @@ do_highlight (
break;
}
- /*
- * Isolate the key ("term", "ctermfg", "ctermbg", "font", "guifg" or
- * "guibg").
- */
- while (*linep && !ascii_iswhite(*linep) && *linep != '=')
- ++linep;
+ // Isolate the key ("term", "ctermfg", "ctermbg", "font", "guifg",
+ // "guibg" or "guisp").
+ while (*linep && !ascii_iswhite(*linep) && *linep != '=') {
+ linep++;
+ }
xfree(key);
key = vim_strnsave_up(key_start, (int)(linep - key_start));
linep = skipwhite(linep);
@@ -6370,18 +6449,14 @@ do_highlight (
} else
HL_TABLE()[idx].sg_cterm &= ~HL_BOLD;
}
- color &= 7; /* truncate to 8 colors */
- } else if (t_colors == 16 || t_colors == 88 || t_colors == 256) {
- switch (t_colors) {
- case 16:
- color = color_numbers_8[i];
- break;
- case 88:
- color = color_numbers_88[i];
- break;
- case 256:
- color = color_numbers_256[i];
- break;
+ color &= 7; // truncate to 8 colors
+ } else if (t_colors == 16 || t_colors == 88 || t_colors >= 256) {
+ if (t_colors == 88) {
+ color = color_numbers_88[i];
+ } else if (t_colors >= 256) {
+ color = color_numbers_256[i];
+ } else {
+ color = color_numbers_8[i];
}
}
}
@@ -6456,7 +6531,23 @@ do_highlight (
normal_bg = HL_TABLE()[idx].sg_rgb_bg;
}
} else if (STRCMP(key, "GUISP") == 0) {
- // Ignored for now
+ if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) {
+ if (!init)
+ HL_TABLE()[idx].sg_set |= SG_GUI;
+
+ xfree(HL_TABLE()[idx].sg_rgb_sp_name);
+ if (STRCMP(arg, "NONE") != 0) {
+ HL_TABLE()[idx].sg_rgb_sp_name = (uint8_t *)xstrdup((char *)arg);
+ HL_TABLE()[idx].sg_rgb_sp = name_to_color(arg);
+ } else {
+ HL_TABLE()[idx].sg_rgb_sp_name = NULL;
+ HL_TABLE()[idx].sg_rgb_sp = -1;
+ }
+ }
+
+ if (is_normal_group) {
+ normal_sp = HL_TABLE()[idx].sg_rgb_sp;
+ }
} else if (STRCMP(key, "START") == 0 || STRCMP(key, "STOP") == 0) {
// Ignored for now
} else {
@@ -6520,6 +6611,7 @@ void restore_cterm_colors(void)
{
normal_fg = -1;
normal_bg = -1;
+ normal_sp = -1;
cterm_normal_fg_color = 0;
cterm_normal_fg_bold = 0;
cterm_normal_bg_color = 0;
@@ -6536,6 +6628,7 @@ static int hl_has_settings(int idx, int check_link)
|| HL_TABLE()[idx].sg_cterm_bg != 0
|| HL_TABLE()[idx].sg_rgb_fg_name != NULL
|| HL_TABLE()[idx].sg_rgb_bg_name != NULL
+ || HL_TABLE()[idx].sg_rgb_sp_name != NULL
|| (check_link && (HL_TABLE()[idx].sg_set & SG_LINK));
}
@@ -6552,14 +6645,18 @@ static void highlight_clear(int idx)
HL_TABLE()[idx].sg_gui = 0;
HL_TABLE()[idx].sg_rgb_fg = -1;
HL_TABLE()[idx].sg_rgb_bg = -1;
+ HL_TABLE()[idx].sg_rgb_sp = -1;
xfree(HL_TABLE()[idx].sg_rgb_fg_name);
HL_TABLE()[idx].sg_rgb_fg_name = NULL;
xfree(HL_TABLE()[idx].sg_rgb_bg_name);
HL_TABLE()[idx].sg_rgb_bg_name = NULL;
- /* Clear the script ID only when there is no link, since that is not
- * cleared. */
- if (HL_TABLE()[idx].sg_link == 0)
+ xfree(HL_TABLE()[idx].sg_rgb_sp_name);
+ HL_TABLE()[idx].sg_rgb_sp_name = NULL;
+ // Clear the script ID only when there is no link, since that is not
+ // cleared.
+ if (HL_TABLE()[idx].sg_link == 0) {
HL_TABLE()[idx].sg_scriptID = 0;
+ }
}
@@ -6601,7 +6698,8 @@ int get_attr_entry(attrentry_T *aep)
&& aep->cterm_bg_color == taep->cterm_bg_color
&& aep->rgb_ae_attr == taep->rgb_ae_attr
&& aep->rgb_fg_color == taep->rgb_fg_color
- && aep->rgb_bg_color == taep->rgb_bg_color) {
+ && aep->rgb_bg_color == taep->rgb_bg_color
+ && aep->rgb_sp_color == taep->rgb_sp_color) {
return i + ATTR_OFF;
}
}
@@ -6639,6 +6737,7 @@ int get_attr_entry(attrentry_T *aep)
taep->rgb_ae_attr = aep->rgb_ae_attr;
taep->rgb_fg_color = aep->rgb_fg_color;
taep->rgb_bg_color = aep->rgb_bg_color;
+ taep->rgb_sp_color = aep->rgb_sp_color;
return table->ga_len - 1 + ATTR_OFF;
}
@@ -6700,6 +6799,10 @@ int hl_combine_attr(int char_attr, int prim_attr)
if (spell_aep->rgb_bg_color >= 0) {
new_en.rgb_bg_color = spell_aep->rgb_bg_color;
}
+
+ if (spell_aep->rgb_sp_color >= 0) {
+ new_en.rgb_sp_color = spell_aep->rgb_sp_color;
+ }
}
return get_attr_entry(&new_en);
}
@@ -6737,7 +6840,7 @@ static void highlight_list_one(int id)
didh = highlight_list_arg(id, didh, LIST_STRING,
0, sgp->sg_rgb_bg_name, "guibg");
didh = highlight_list_arg(id, didh, LIST_STRING,
- 0, NULL, "guisp");
+ 0, sgp->sg_rgb_sp_name, "guisp");
if (sgp->sg_link && !got_int) {
(void)syn_list_header(didh, 9999, id);
@@ -6849,10 +6952,26 @@ highlight_color (
else if (!(TOLOWER_ASC(what[0]) == 'b' && TOLOWER_ASC(what[1]) == 'g'))
return NULL;
if (modec == 'g') {
- if (fg)
+ if (what[2] == '#' && ui_rgb_attached()) {
+ if (fg) {
+ n = HL_TABLE()[id - 1].sg_rgb_fg;
+ } else if (sp) {
+ n = HL_TABLE()[id - 1].sg_rgb_sp;
+ } else {
+ n = HL_TABLE()[id - 1].sg_rgb_bg;
+ }
+ if (n < 0 || n > 0xffffff) {
+ return NULL;
+ }
+ snprintf((char *)name, sizeof(name), "#%06x", n);
+ return name;
+ }
+ if (fg) {
return HL_TABLE()[id - 1].sg_rgb_fg_name;
- if (sp)
- return NULL;
+ }
+ if (sp) {
+ return HL_TABLE()[id - 1].sg_rgb_sp_name;
+ }
return HL_TABLE()[id - 1].sg_rgb_bg_name;
}
if (font || sp)
@@ -6939,11 +7058,16 @@ set_hl_attr (
// before setting attr_entry->{f,g}g_color to a other than -1
at_en.rgb_fg_color = sgp->sg_rgb_fg_name ? sgp->sg_rgb_fg : -1;
at_en.rgb_bg_color = sgp->sg_rgb_bg_name ? sgp->sg_rgb_bg : -1;
+ at_en.rgb_sp_color = sgp->sg_rgb_sp_name ? sgp->sg_rgb_sp : -1;
if (at_en.cterm_fg_color != 0 || at_en.cterm_bg_color != 0
|| at_en.rgb_fg_color != -1 || at_en.rgb_bg_color != -1
- || at_en.cterm_ae_attr != 0 || at_en.rgb_ae_attr != 0) {
+ || at_en.rgb_sp_color != -1 || at_en.cterm_ae_attr != 0
+ || at_en.rgb_ae_attr != 0) {
sgp->sg_attr = get_attr_entry(&at_en);
+ } else {
+ // If all the fields are cleared, clear the attr field back to default value
+ sgp->sg_attr = 0;
}
}
@@ -7275,6 +7399,10 @@ int highlight_changed(void)
hlt[hlcnt + i].sg_rgb_bg = hlt[id - 1].sg_rgb_bg;
}
+ if (hlt[id - 1].sg_rgb_sp != hlt[id_S - 1].sg_rgb_sp) {
+ hlt[hlcnt + i].sg_rgb_sp = hlt[id - 1].sg_rgb_sp;
+ }
+
highlight_ga.ga_len = hlcnt + i + 1;
set_hl_attr(hlcnt + i); /* At long last we can apply */
highlight_stlnc[i] = syn_id2attr(hlcnt + i + 1);