From: Theodor Thornhill <theo@thornhill.no>
To: Yuan Fu <casouri@gmail.com>
Cc: emacs-devel <emacs-devel@gnu.org>,
Stefan Monnier <monnier@iro.umontreal.ca>
Subject: Re: Tree-sitter indentation for js-mode & cc-mode
Date: Fri, 28 Oct 2022 21:49:14 +0200 [thread overview]
Message-ID: <87wn8jd8zp.fsf@thornhill.no> (raw)
In-Reply-To: <89721927-13CE-4A65-944C-0DC924127373@gmail.com>
>>
>
> Ok, I’m fairly certain this is due to tree-sitter reparsing after we
> indenting each line: treesit-buffer-root-node asks for the root node
> of the parser, which triggers a reparse, because last indent modified
> the buffer. We are basically reparsing as many time as there are lines
> in the buffer.
>
> Indenting a similarly sized buffer where all indent are good is much
> faster, because there is no reparse due to change to the buffer.
Yeah, that's what I was seeing as well. I think this is correct.
>
> Tree-sitter indent should add an implementation for indent-for-region
> function which precomputes indent for each line and indent lines in
> batch. That ought to fix it. Added to TODO :-)
Hehe, sorry!
Theo
next prev parent reply other threads:[~2022-10-28 19:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-27 1:43 Tree-sitter indentation for js-mode & cc-mode Yuan Fu
2022-10-27 9:11 ` Theodor Thornhill
2022-10-27 9:28 ` Theodor Thornhill
2022-10-27 9:58 ` Theodor Thornhill
2022-10-27 15:21 ` Yuan Fu
2022-10-27 18:36 ` Theodor Thornhill
2022-10-28 8:15 ` Yuan Fu
2022-10-28 8:59 ` Theodor Thornhill
2022-10-28 9:10 ` Theodor Thornhill
2022-10-28 19:43 ` Yuan Fu
2022-10-28 19:49 ` Theodor Thornhill [this message]
2022-10-29 1:05 ` Yuan Fu
2022-10-29 5:53 ` Eli Zaretskii
2022-10-29 6:54 ` Yuan Fu
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