kevin/neovim
1
Fork 0
mirror of https://github.com/neovim/neovim.git synced 2024-12-20 11:15:14 -07:00
Code Issues Packages Projects Releases Wiki Activity

perf(treesitter): use a reuse list for query cursors

Browse Source
This commit is contained in:
Thomas Vigouroux 2022-04-14 15:00:15 +02:00
parent 4df11463b2
commit a0f17fd4d8
No known key found for this signature in database
GPG Key ID: 16A6001CD57B9100
1 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/nvim/lua/treesitter.c
View File

@ -16,6 +16,7 @@
#include "nvim/api/private/helpers.h"
#include "nvim/buffer.h"
#include "nvim/lib/kvec.h"
#include "nvim/lua/treesitter.h"
#include "nvim/memline.h"
#include "tree_sitter/api.h"
@ -104,6 +105,7 @@ static struct luaL_Reg treecursor_meta[] = {
{ NULL, NULL }
};
static kvec_t(TSQueryCursor *) cursors = KV_INITIAL_VALUE;
static PMap(cstr_t) langs = MAP_INIT;
static void build_meta(lua_State *L, const char *tname, const luaL_Reg *meta)
@ -1116,9 +1118,13 @@ static int node_rawquery(lua_State *L)
return 0;
}
TSQuery *query = query_check(L, 2);
// TODO(bfredl): these are expensive allegedly,
// use a reuse list later on?
TSQueryCursor *cursor = ts_query_cursor_new();
TSQueryCursor *cursor;
if (kv_size(cursors) > 0) {
cursor = kv_pop(cursors);
} else {
cursor = ts_query_cursor_new();
}
// TODO(clason): API introduced after tree-sitter release 0.19.5
// remove guard when minimum ts version is bumped to 0.19.6+
#ifdef NVIM_TS_HAS_SET_MATCH_LIMIT
@ -1161,7 +1167,8 @@ static int node_rawquery(lua_State *L)
static int querycursor_gc(lua_State *L)
{
TSLua_cursor *ud = luaL_checkudata(L, 1, TS_META_QUERYCURSOR);
ts_query_cursor_delete(ud->cursor);
kv_push(cursors, ud->cursor);
ud->cursor = NULL;
return 0;
}