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perf(ui): remove spurious allocations from mode_style_array()

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bfredl
2022-06-21 16:53:47 +02:00
parent a9442c532e
commit 8cd94e3bc0
2 changed files with 26 additions and 22 deletions
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42
src/nvim/cursor_shape.c
View File

@@ -43,43 +43,45 @@ cursorentry_T shape_table[SHAPE_IDX_COUNT] =
};
/// Converts cursor_shapes into an Array of Dictionaries
/// @param arena initialized arena where memory will be alocated
///
/// @return Array of the form {[ "cursor_shape": ... ], ...}
Array mode_style_array(void)
Array mode_style_array(Arena *arena)
{
Array all = ARRAY_DICT_INIT;
Array all = arena_array(arena, SHAPE_IDX_COUNT);
for (int i = 0; i < SHAPE_IDX_COUNT; i++) {
Dictionary dic = ARRAY_DICT_INIT;
cursorentry_T *cur = &shape_table[i];
Dictionary dic = arena_dict(arena, 3 + ((cur->used_for & SHAPE_CURSOR) ? 9 : 0));
PUT_C(dic, "name", STRING_OBJ(cstr_as_string(cur->full_name)));
PUT_C(dic, "short_name", STRING_OBJ(cstr_as_string(cur->name)));
if (cur->used_for & SHAPE_MOUSE) {
PUT(dic, "mouse_shape", INTEGER_OBJ(cur->mshape));
PUT_C(dic, "mouse_shape", INTEGER_OBJ(cur->mshape));
}
if (cur->used_for & SHAPE_CURSOR) {
String shape_str;
switch (cur->shape) {
case SHAPE_BLOCK:
shape_str = cstr_to_string("block"); break;
shape_str = cstr_as_string("block"); break;
case SHAPE_VER:
shape_str = cstr_to_string("vertical"); break;
shape_str = cstr_as_string("vertical"); break;
case SHAPE_HOR:
shape_str = cstr_to_string("horizontal"); break;
shape_str = cstr_as_string("horizontal"); break;
default:
shape_str = cstr_to_string("unknown");
shape_str = cstr_as_string("unknown");
}
PUT(dic, "cursor_shape", STRING_OBJ(shape_str));
PUT(dic, "cell_percentage", INTEGER_OBJ(cur->percentage));
PUT(dic, "blinkwait", INTEGER_OBJ(cur->blinkwait));
PUT(dic, "blinkon", INTEGER_OBJ(cur->blinkon));
PUT(dic, "blinkoff", INTEGER_OBJ(cur->blinkoff));
PUT(dic, "hl_id", INTEGER_OBJ(cur->id));
PUT(dic, "id_lm", INTEGER_OBJ(cur->id_lm));
PUT(dic, "attr_id", INTEGER_OBJ(cur->id ? syn_id2attr(cur->id) : 0));
PUT(dic, "attr_id_lm", INTEGER_OBJ(cur->id_lm ? syn_id2attr(cur->id_lm) : 0));
PUT_C(dic, "cursor_shape", STRING_OBJ(shape_str));
PUT_C(dic, "cell_percentage", INTEGER_OBJ(cur->percentage));
PUT_C(dic, "blinkwait", INTEGER_OBJ(cur->blinkwait));
PUT_C(dic, "blinkon", INTEGER_OBJ(cur->blinkon));
PUT_C(dic, "blinkoff", INTEGER_OBJ(cur->blinkoff));
PUT_C(dic, "hl_id", INTEGER_OBJ(cur->id));
PUT_C(dic, "id_lm", INTEGER_OBJ(cur->id_lm));
PUT_C(dic, "attr_id", INTEGER_OBJ(cur->id ? syn_id2attr(cur->id) : 0));
PUT_C(dic, "attr_id_lm", INTEGER_OBJ(cur->id_lm ? syn_id2attr(cur->id_lm) : 0));
}
PUT(dic, "name", STRING_OBJ(cstr_to_string(cur->full_name)));
PUT(dic, "short_name", STRING_OBJ(cstr_to_string(cur->name)));
ADD(all, DICTIONARY_OBJ(dic));
ADD_C(all, DICTIONARY_OBJ(dic));
}
return all;

6
src/nvim/ui.c
View File

@@ -507,10 +507,12 @@ void ui_flush(void)
pending_cursor_update = false;
}
if (pending_mode_info_update) {
Array style = mode_style_array();
Arena arena = ARENA_EMPTY;
arena_start(&arena, &ui_ext_fixblk);
Array style = mode_style_array(&arena);
bool enabled = (*p_guicursor != NUL);
ui_call_mode_info_set(enabled, style);
api_free_array(style);
arena_mem_free(arena_finish(&arena), &ui_ext_fixblk);
pending_mode_info_update = false;
}
if (pending_mode_update && !starting) {