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

[Yuan Fu]

> On Feb 20, 2024, at 5:55 AM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
>> From: Yuan Fu <casouri@gmail.com>
>> Date: Mon, 19 Feb 2024 21:49:26 -0800
>> Cc: Alan Mackenzie <acm@muc.de>,
>> 69071@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