GNU bug report logs - #69071
Emacs master branch: c-ts-mode is slow with large C functions.

Previous Next

Full log

Message #23 received at 69071 <at> debbugs.gnu.org (full text, mbox):

From: Yuan Fu <casouri <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: acm <at> muc.de, 69071 <at> debbugs.gnu.org
Subject: Re: bug#69071: Emacs master branch: c-ts-mode is slow with large C
 functions.
Date: Sat, 24 Feb 2024 12:35:50 -0800

> On Feb 20, 2024, at 5:55 AM, Eli Zaretskii <eliz <at> gnu.org> wrote:
> 
>> From: Yuan Fu <casouri <at> gmail.com>
>> Date: Mon, 19 Feb 2024 21:49:26 -0800
>> Cc: Alan Mackenzie <acm <at> muc.de>,
>> 69071 <at> debbugs.gnu.org
>> 
>> Before we continue, let me note that this seems like another case where tree-sitter-c parser chokes on some extreme C code. Profiler reports shows that almost all time are spent in treesit-parser-root-node, which indicates that all the time are spent parsing the text.
> 
> So maybe this is something to report to tree-sitter and/or
> tree-sitter-c developers?  (Does c++-ts-mode behave better with this
> file?)

We could, but honestly I don’t think they can/want to do anything.

Yuan

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.