Re: Treesitter injection support

[Yuan Fu]

> On Jan 7, 2025, at 1:36 AM, Pranshu Sharma <pranshu@bauherren.ovh> wrote:
> 
> Yuan Fu <casouri@gmail.com> writes:
> 
>>>> Ok, so the problem is nested parsers. I don’t think the overlap
>>>> would
>>>> cause any problem. Right now treesit-range-settings can only give
>>>> you
>>>> one nested layer. I’ll need to make it support nesting a parser
>>>> inside
>>>> a local parser of the same language. I’ll work on that once I wrap
>>>> up
>>>> the thing I’m working on right now :-)
>>> 
>>> Thanks, this definetly seems like the problem.  Also the
>>> treesit-range-settings seems kind of unstable, example when I
>>> purposly
>>> leave closed string before it, and close the string, it doesn't
>>> reparse.
>> 
>> Can you show me a concrete example (reproduce recipe)? I can look into
>> it.
>> 
> 
> 
> I attached a video that demostrated it.  It also shows a second bug, in
> which perfomance is exponentially bad because of
> treesit-font-lock-settings.
> 
> I've attached all the relevent fiels, and note the long file with
> horrible perfomance was
> https://github.com/git/git/blob/master/gitweb/gitweb.perl.
> 
> <simplescreenrecorder-2025-01-07_19.25.54.mkv><perl-ts-mode.el><test.pl>

Thanks! I’m a bit overwhelmed with todo’s right now but I’ll come back to this.

Yuan