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perf(highlight): don't allocate duplicates for color names

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This commit is contained in:
bfredl 2022-06-21 12:29:49 +02:00
parent 5ad97fcc0e
commit 374e0b6678
6 changed files with 129 additions and 96 deletions
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3
src/nvim/api/vim.c
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@ -1293,7 +1293,8 @@ void nvim_unsubscribe(uint64_t channel_id, String event)
Integer nvim_get_color_by_name(String name)
FUNC_API_SINCE(1)
{
return name_to_color(name.data);
int dummy;
return name_to_color(name.data, &dummy);
}
/// Returns a map of color names and RGB values.

2
src/nvim/hardcopy.c
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@ -392,7 +392,7 @@ static uint32_t prt_get_color(int hl_id, int modec)
const char *color = highlight_color(hl_id, "fg#", 'g');
if (color != NULL) {
RgbValue rgb = name_to_color(color);
RgbValue rgb = name_to_color(color, &colorindex);
if (rgb != -1) {
return (uint32_t)rgb;
}

3
src/nvim/highlight.c
View File

@ -962,7 +962,8 @@ int object_to_color(Object val, char *key, bool rgb, Error *err)
}
int color;
if (rgb) {
color = name_to_color(str.data);
int dummy;
color = name_to_color(str.data, &dummy);
} else {
color = name_to_ctermcolor(str.data);
}

183
src/nvim/highlight_group.c
View File

@ -66,13 +66,20 @@ typedef struct {
RgbValue sg_rgb_fg; ///< RGB foreground color
RgbValue sg_rgb_bg; ///< RGB background color
RgbValue sg_rgb_sp; ///< RGB special color
char *sg_rgb_fg_name; ///< RGB foreground color name
char *sg_rgb_bg_name; ///< RGB background color name
char *sg_rgb_sp_name; ///< RGB special color name
int sg_rgb_fg_idx; ///< RGB foreground color index
int sg_rgb_bg_idx; ///< RGB background color index
int sg_rgb_sp_idx; ///< RGB special color index
int sg_blend; ///< blend level (0-100 inclusive), -1 if unset
} HlGroup;
enum {
kColorIdxNone = -1,
kColorIdxHex = -2,
kColorIdxFg = -3,
kColorIdxBg = -4,
};
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "highlight_group.c.generated.h"
#endif
@ -698,34 +705,21 @@ void set_hl_group(int id, HlAttrs attrs, Dict(highlight) *dict, int link_id)
g->sg_rgb_sp = attrs.rgb_sp_color;
struct {
char **dest; RgbValue val; Object name;
int *dest; RgbValue val; Object name;
} cattrs[] = {
{ &g->sg_rgb_fg_name, g->sg_rgb_fg, HAS_KEY(dict->fg) ? dict->fg : dict->foreground },
{ &g->sg_rgb_bg_name, g->sg_rgb_bg, HAS_KEY(dict->bg) ? dict->bg : dict->background },
{ &g->sg_rgb_sp_name, g->sg_rgb_sp, HAS_KEY(dict->sp) ? dict->sp : dict->special },
{ &g->sg_rgb_fg_idx, g->sg_rgb_fg, HAS_KEY(dict->fg) ? dict->fg : dict->foreground },
{ &g->sg_rgb_bg_idx, g->sg_rgb_bg, HAS_KEY(dict->bg) ? dict->bg : dict->background },
{ &g->sg_rgb_sp_idx, g->sg_rgb_sp, HAS_KEY(dict->sp) ? dict->sp : dict->special },
{ NULL, -1, NIL },
};
char hex_name[8];
char *name;
for (int j = 0; cattrs[j].dest; j++) {
if (cattrs[j].val < 0) {
XFREE_CLEAR(*cattrs[j].dest);
continue;
}
if (cattrs[j].name.type == kObjectTypeString && cattrs[j].name.data.string.size) {
name = cattrs[j].name.data.string.data;
*cattrs[j].dest = kColorIdxNone;
} else if (cattrs[j].name.type == kObjectTypeString && cattrs[j].name.data.string.size) {
name_to_color(cattrs[j].name.data.string.data, cattrs[j].dest);
} else {
snprintf(hex_name, sizeof(hex_name), "#%06x", cattrs[j].val);
name = hex_name;
}
if (!*cattrs[j].dest
|| STRCMP(*cattrs[j].dest, name) != 0) {
xfree(*cattrs[j].dest);
*cattrs[j].dest = xstrdup(name);
*cattrs[j].dest = kColorIdxHex;
}
}
@ -1160,72 +1154,71 @@ void do_highlight(const char *line, const bool forceit, const bool init)
}
}
} else if (strcmp(key, "GUIFG") == 0) {
char **namep = &HL_TABLE()[idx].sg_rgb_fg_name;
int *indexp = &HL_TABLE()[idx].sg_rgb_fg_idx;
if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) {
if (!init) {
HL_TABLE()[idx].sg_set |= SG_GUI;
}
if (*namep == NULL || STRCMP(*namep, arg) != 0) {
xfree(*namep);
RgbValue old_color = HL_TABLE()[idx].sg_rgb_fg;
int old_idx = HL_TABLE()[idx].sg_rgb_fg_idx;
if (strcmp(arg, "NONE") != 0) {
*namep = xstrdup(arg);
HL_TABLE()[idx].sg_rgb_fg = name_to_color(arg);
HL_TABLE()[idx].sg_rgb_fg = name_to_color(arg, indexp);
} else {
*namep = NULL;
HL_TABLE()[idx].sg_rgb_fg = -1;
HL_TABLE()[idx].sg_rgb_fg_idx = kColorIdxNone;
}
did_change = true;
}
did_change = HL_TABLE()[idx].sg_rgb_fg != old_color || HL_TABLE()[idx].sg_rgb_fg != old_idx;
}
if (is_normal_group) {
normal_fg = HL_TABLE()[idx].sg_rgb_fg;
}
} else if (STRCMP(key, "GUIBG") == 0) {
char **const namep = &HL_TABLE()[idx].sg_rgb_bg_name;
int *indexp = &HL_TABLE()[idx].sg_rgb_bg_idx;
if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) {
if (!init) {
HL_TABLE()[idx].sg_set |= SG_GUI;
}
if (*namep == NULL || STRCMP(*namep, arg) != 0) {
xfree(*namep);
RgbValue old_color = HL_TABLE()[idx].sg_rgb_bg;
int old_idx = HL_TABLE()[idx].sg_rgb_bg_idx;
if (STRCMP(arg, "NONE") != 0) {
*namep = xstrdup(arg);
HL_TABLE()[idx].sg_rgb_bg = name_to_color(arg);
HL_TABLE()[idx].sg_rgb_bg = name_to_color(arg, indexp);
} else {
*namep = NULL;
HL_TABLE()[idx].sg_rgb_bg = -1;
HL_TABLE()[idx].sg_rgb_bg_idx = kColorIdxNone;
}
did_change = true;
}
did_change = HL_TABLE()[idx].sg_rgb_bg != old_color || HL_TABLE()[idx].sg_rgb_bg != old_idx;
}
if (is_normal_group) {
normal_bg = HL_TABLE()[idx].sg_rgb_bg;
}
} else if (strcmp(key, "GUISP") == 0) {
char **const namep = &HL_TABLE()[idx].sg_rgb_sp_name;
int *indexp = &HL_TABLE()[idx].sg_rgb_sp_idx;
if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) {
if (!init) {
HL_TABLE()[idx].sg_set |= SG_GUI;
}
if (*namep == NULL || STRCMP(*namep, arg) != 0) {
xfree(*namep);
RgbValue old_color = HL_TABLE()[idx].sg_rgb_sp;
int old_idx = HL_TABLE()[idx].sg_rgb_sp_idx;
if (strcmp(arg, "NONE") != 0) {
*namep = xstrdup(arg);
HL_TABLE()[idx].sg_rgb_sp = name_to_color(arg);
HL_TABLE()[idx].sg_rgb_sp = name_to_color(arg, indexp);
} else {
*namep = NULL;
HL_TABLE()[idx].sg_rgb_sp = -1;
}
did_change = true;
}
did_change = HL_TABLE()[idx].sg_rgb_sp != old_color || HL_TABLE()[idx].sg_rgb_sp != old_idx;
}
if (is_normal_group) {
@ -1333,9 +1326,9 @@ static int hl_has_settings(int idx, bool check_link)
&& (HL_TABLE()[idx].sg_attr != 0
|| HL_TABLE()[idx].sg_cterm_fg != 0
|| 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
|| HL_TABLE()[idx].sg_rgb_fg_idx != kColorIdxNone
|| HL_TABLE()[idx].sg_rgb_bg_idx != kColorIdxNone
|| HL_TABLE()[idx].sg_rgb_sp_idx != kColorIdxNone
|| (check_link && (HL_TABLE()[idx].sg_set & SG_LINK)));
}
@ -1353,9 +1346,9 @@ static void highlight_clear(int idx)
HL_TABLE()[idx].sg_rgb_fg = -1;
HL_TABLE()[idx].sg_rgb_bg = -1;
HL_TABLE()[idx].sg_rgb_sp = -1;
XFREE_CLEAR(HL_TABLE()[idx].sg_rgb_fg_name);
XFREE_CLEAR(HL_TABLE()[idx].sg_rgb_bg_name);
XFREE_CLEAR(HL_TABLE()[idx].sg_rgb_sp_name);
HL_TABLE()[idx].sg_rgb_fg_idx = kColorIdxNone;
HL_TABLE()[idx].sg_rgb_bg_idx = kColorIdxNone;
HL_TABLE()[idx].sg_rgb_sp_idx = kColorIdxNone;
HL_TABLE()[idx].sg_blend = -1;
// Restore default link and context if they exist. Otherwise clears.
HL_TABLE()[idx].sg_link = HL_TABLE()[idx].sg_deflink;
@ -1389,12 +1382,13 @@ static void highlight_list_one(const int id)
didh = highlight_list_arg(id, didh, LIST_ATTR,
sgp->sg_gui, NULL, "gui");
didh = highlight_list_arg(id, didh, LIST_STRING,
0, sgp->sg_rgb_fg_name, "guifg");
didh = highlight_list_arg(id, didh, LIST_STRING,
0, sgp->sg_rgb_bg_name, "guibg");
didh = highlight_list_arg(id, didh, LIST_STRING,
0, sgp->sg_rgb_sp_name, "guisp");
char hexbuf[8];
didh = highlight_list_arg(id, didh, LIST_STRING, 0,
coloridx_to_name(sgp->sg_rgb_fg_idx, sgp->sg_rgb_fg, hexbuf), "guifg");
didh = highlight_list_arg(id, didh, LIST_STRING, 0,
coloridx_to_name(sgp->sg_rgb_bg_idx, sgp->sg_rgb_bg, hexbuf), "guibg");
didh = highlight_list_arg(id, didh, LIST_STRING, 0,
coloridx_to_name(sgp->sg_rgb_sp_idx, sgp->sg_rgb_sp, hexbuf), "guisp");
didh = highlight_list_arg(id, didh, LIST_INT,
sgp->sg_blend + 1, NULL, "blend");
@ -1438,7 +1432,7 @@ Dictionary get_global_hl_defs(void)
/// @param type one of \ref LIST_XXX
/// @param iarg integer argument used if \p type == LIST_INT
/// @param sarg string used if \p type == LIST_STRING
static bool highlight_list_arg(const int id, bool didh, const int type, int iarg, char *const sarg,
static bool highlight_list_arg(const int id, bool didh, const int type, int iarg, const char *sarg,
const char *const name)
{
char buf[100];
@ -1447,7 +1441,7 @@ static bool highlight_list_arg(const int id, bool didh, const int type, int iarg
return false;
}
if (type == LIST_STRING ? (sarg != NULL) : (iarg != 0)) {
char *ts = buf;
const char *ts = buf;
if (type == LIST_INT) {
snprintf((char *)buf, sizeof(buf), "%d", iarg - 1);
} else if (type == LIST_STRING) {
@ -1551,12 +1545,12 @@ const char *highlight_color(const int id, const char *const what, const int mode
return name;
}
if (fg) {
return (const char *)HL_TABLE()[id - 1].sg_rgb_fg_name;
return coloridx_to_name(HL_TABLE()[id - 1].sg_rgb_fg_idx, HL_TABLE()[id - 1].sg_rgb_fg, name);
} else if (sp) {
return coloridx_to_name(HL_TABLE()[id - 1].sg_rgb_sp_idx, HL_TABLE()[id - 1].sg_rgb_sp, name);
} else {
return coloridx_to_name(HL_TABLE()[id - 1].sg_rgb_bg_idx, HL_TABLE()[id - 1].sg_rgb_bg, name);
}
if (sp) {
return (const char *)HL_TABLE()[id - 1].sg_rgb_sp_name;
}
return (const char *)HL_TABLE()[id - 1].sg_rgb_bg_name;
}
if (font || sp) {
return NULL;
@ -1649,9 +1643,9 @@ static void set_hl_attr(int idx)
// FIXME(tarruda): The "unset value" for rgb is -1, but since hlgroup is
// initialized with 0(by garray functions), check for sg_rgb_{f,b}g_name
// 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;
at_en.rgb_fg_color = sgp->sg_rgb_fg_idx != kColorIdxNone ? sgp->sg_rgb_fg : -1;
at_en.rgb_bg_color = sgp->sg_rgb_bg_idx != kColorIdxNone ? sgp->sg_rgb_bg : -1;
at_en.rgb_sp_color = sgp->sg_rgb_sp_idx != kColorIdxNone ? sgp->sg_rgb_sp : -1;
at_en.hl_blend = sgp->sg_blend;
sgp->sg_attr = hl_get_syn_attr(0, idx + 1, at_en);
@ -1785,6 +1779,9 @@ static int syn_add_group(char_u *name)
hlgp->sg_rgb_bg = -1;
hlgp->sg_rgb_fg = -1;
hlgp->sg_rgb_sp = -1;
hlgp->sg_rgb_bg_idx = kColorIdxNone;
hlgp->sg_rgb_fg_idx = kColorIdxNone;
hlgp->sg_rgb_sp_idx = kColorIdxNone;
hlgp->sg_blend = -1;
hlgp->sg_name_u = name_up;
@ -1859,14 +1856,20 @@ void highlight_attr_set_all(void)
{
for (int idx = 0; idx < highlight_ga.ga_len; idx++) {
HlGroup *sgp = &HL_TABLE()[idx];
if (sgp->sg_rgb_bg_name != NULL) {
sgp->sg_rgb_bg = name_to_color(sgp->sg_rgb_bg_name);
if (sgp->sg_rgb_bg_idx == kColorIdxFg) {
sgp->sg_rgb_bg = normal_fg;
} else if (sgp->sg_rgb_bg_idx == kColorIdxBg) {
sgp->sg_rgb_bg = normal_bg;
}
if (sgp->sg_rgb_fg_name != NULL) {
sgp->sg_rgb_fg = name_to_color(sgp->sg_rgb_fg_name);
if (sgp->sg_rgb_fg_idx == kColorIdxFg) {
sgp->sg_rgb_fg = normal_fg;
} else if (sgp->sg_rgb_fg_idx == kColorIdxBg) {
sgp->sg_rgb_fg = normal_bg;
}
if (sgp->sg_rgb_sp_name != NULL) {
sgp->sg_rgb_sp = name_to_color(sgp->sg_rgb_sp_name);
if (sgp->sg_rgb_sp_idx == kColorIdxFg) {
sgp->sg_rgb_sp = normal_fg;
} else if (sgp->sg_rgb_sp_idx == kColorIdxBg) {
sgp->sg_rgb_sp = normal_bg;
}
set_hl_attr(idx);
}
@ -2768,29 +2771,55 @@ color_name_table_T color_name_table[] = {
/// hex value
///
/// @param[in] name string value to convert to RGB
/// @param[out] idx index in color table or special value
/// return the hex value or -1 if could not find a correct value
RgbValue name_to_color(const char *name)
RgbValue name_to_color(const char *name, int *idx)
{
if (name[0] == '#' && isxdigit(name[1]) && isxdigit(name[2])
&& isxdigit(name[3]) && isxdigit(name[4]) && isxdigit(name[5])
&& isxdigit(name[6]) && name[7] == NUL) {
// rgb hex string
*idx = kColorIdxHex;
return (RgbValue)strtol((char *)(name + 1), NULL, 16);
} else if (!STRICMP(name, "bg") || !STRICMP(name, "background")) {
*idx = kColorIdxBg;
return normal_bg;
} else if (!STRICMP(name, "fg") || !STRICMP(name, "foreground")) {
*idx = kColorIdxFg;
return normal_fg;
}
for (int i = 0; color_name_table[i].name != NULL; i++) {
if (!STRICMP(name, color_name_table[i].name)) {
*idx = i;
return color_name_table[i].color;
}
}
*idx = kColorIdxNone;
return -1;
}
const char *coloridx_to_name(int idx, int val, char hexbuf[8])
{
if (idx >= 0) {
return color_name_table[idx].name;
}
switch (idx) {
case kColorIdxNone:
return NULL;
case kColorIdxFg:
return "fg";
case kColorIdxBg:
return "bg";
case kColorIdxHex:
snprintf(hexbuf, 7 + 1, "#%06x", val);
return hexbuf;
default:
abort();
}
}
int name_to_ctermcolor(const char *name)
{
int i;

3
src/nvim/terminal.c
View File

@ -257,7 +257,8 @@ Terminal *terminal_open(buf_T *buf, TerminalOptions opts)
snprintf(var, sizeof(var), "terminal_color_%d", i);
char *name = get_config_string(var);
if (name) {
color_val = name_to_color(name);
int dummy;
color_val = name_to_color(name, &dummy);
xfree(name);
if (color_val != -1) {

13
test/functional/api/highlight_spec.lua
View File

@ -293,19 +293,20 @@ describe("API: set highlight", function()
eq('Test_hl2 xxx cterm=undercurl,italic,reverse,strikethrough ctermfg=8 ctermbg=15 gui=bold,underline,underlineline,undercurl,underdot,underdash,italic,reverse,strikethrough guifg=#ff0000 guibg=#0032aa',
exec_capture('highlight Test_hl2'))
-- Colors are stored exactly as they are defined.
-- Colors are stored with the name they are defined, but
-- with canonical casing
meths.set_hl(0, 'Test_hl3', { bg = 'reD', fg = 'bLue'})
eq('Test_hl3 xxx guifg=bLue guibg=reD',
eq('Test_hl3 xxx guifg=Blue guibg=Red',
exec_capture('highlight Test_hl3'))
end)
it ("can modify a highlight in the global namespace", function()
meths.set_hl(0, 'Test_hl3', { bg = 'red', fg = 'blue'})
eq('Test_hl3 xxx guifg=blue guibg=red',
eq('Test_hl3 xxx guifg=Blue guibg=Red',
exec_capture('highlight Test_hl3'))
meths.set_hl(0, 'Test_hl3', { bg = 'red' })
eq('Test_hl3 xxx guibg=red',
eq('Test_hl3 xxx guibg=Red',
exec_capture('highlight Test_hl3'))
meths.set_hl(0, 'Test_hl3', { ctermbg = 9, ctermfg = 12})
@ -327,7 +328,7 @@ describe("API: set highlight", function()
pcall_err(meths.set_hl, 0, 'Test_hl3', {ctermfg='bleu'}))
meths.set_hl(0, 'Test_hl3', {fg='#FF00FF'})
eq('Test_hl3 xxx guifg=#FF00FF',
eq('Test_hl3 xxx guifg=#ff00ff',
exec_capture('highlight Test_hl3'))
eq("'#FF00FF' is not a valid color",
@ -340,7 +341,7 @@ describe("API: set highlight", function()
end
meths.set_hl(0, 'Test_hl3', {fg='#FF00FF', blend=50})
eq('Test_hl3 xxx guifg=#FF00FF blend=50',
eq('Test_hl3 xxx guifg=#ff00ff blend=50',
exec_capture('highlight Test_hl3'))
end)