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feat(treesitter): async parsing

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**Problem:** Parsing can be slow for large files, and it is a blocking
operation which can be disruptive and annoying.

**Solution:** Provide a function for asynchronous parsing, which accepts
a callback to be run after parsing completes.

Co-authored-by: Lewis Russell <lewis6991@gmail.com>
Co-authored-by: Luuk van Baal <luukvbaal@gmail.com>
Co-authored-by: VanaIgr <vanaigranov@gmail.com>
This commit is contained in:
Riley Bruins
2024-12-18 10:48:33 -08:00
parent 3fdc430241
commit 45e606b1fd
11 changed files with 395 additions and 41 deletions
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6
src/nvim/lua/treesitter.c
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@@ -489,7 +489,11 @@ static int parser_parse(lua_State *L)
// Sometimes parsing fails (timeout, or wrong parser ABI)
// In those case, just return an error.
if (!new_tree) {
return luaL_error(L, "An error occurred when parsing.");
if (ts_parser_timeout_micros(p) == 0) {
// No timeout set, must have had an error
return luaL_error(L, "An error occurred when parsing.");
}
return 0;
}
// The new tree will be pushed to the stack, without copy, ownership is now to the lua GC.