From: Stefan Kangas <stefankangas@gmail.com>
To: "Johann Höchtl" <johann.hoechtl@gmail.com>
Cc: Yuan Fu <casouri@gmail.com>, 58979@debbugs.gnu.org
Subject: bug#58979: treesitter-regression with json-mode
Date: Sat, 12 Nov 2022 12:34:03 -0800 [thread overview]
Message-ID: <CADwFkmmv+_kiuwr3+ws6EDMe1DZco-AAfi8RAQLm0EXZnWpnYA@mail.gmail.com> (raw)
In-Reply-To: <CAH4isRwm+hp02iLiGPNoH+y61RCrpt7YtbCnAbUO2_9Cr95nOA@mail.gmail.com> ("Johann Höchtl"'s message of "Wed, 2 Nov 2022 17:16:08 +0100")
Johann Höchtl <johann.hoechtl@gmail.com> writes:
> When I open a large json file (about 3_000_000 lines, about 72Mb,
> pretty-printed) Emacs 29.0.50 opens the file just fine in
> `js-json-mode` and when using regexp-based font locking, it works
> well.
>
> When I force this buffer into javascript-mode, Emacs hangs. Memory
> consumption as reported by Windows task manager "dances" around 2Gb,
> yet even after waiting for three minutes, Emacs doesn't get responsive
> any more.
>
> I consider this an unfortunately regression as recent commits to Emacs
> 29 (long lines patches) actually makes working with such large files
> with long lines absolutely pleasant, yet as it seems the interaction
> with tree-sitter destroys this gains.
Copying in Yuan Fu.
next prev parent reply other threads:[~2022-11-12 20:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-02 16:16 bug#58979: treesitter-regression with json-mode Johann Höchtl
2022-11-02 16:48 ` bug#58981: " Johann Höchtl
2022-11-03 10:50 ` Robert Pluim
2022-11-12 20:34 ` Stefan Kangas [this message]
2022-11-22 7:44 ` bug#58979: " Yuan Fu
2023-01-07 23:10 ` Yuan Fu
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