GNU bug report logs - #25706
26.0.50; Slow C file fontification

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Packages: cc-mode, emacs;

Reported by: Sujith <m.sujith <at> gmail.com>

Date: Mon, 13 Feb 2017 18:41:01 UTC

Severity: normal

Tags: moreinfo

Found in version 26.0.50

Done: Alan Mackenzie <acm <at> muc.de>

Bug is archived. No further changes may be made.

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From: Ravine Var <ravine.var <at> gmail.com>
To: Mattias Engdegård <mattiase <at> acm.org>
Cc: Alan Mackenzie <acm <at> muc.de>, Lars Ingebrigtsen <larsi <at> gnus.org>, 25706 <at> debbugs.gnu.org
Subject: bug#25706: 26.0.50; Slow C file fontification
Date: Tue, 01 Dec 2020 11:18:40 +0530

Mattias Engdegård <mattiase <at> acm.org> writes:
> Found it. Suggested fix attached.
>
> It can be improved: at least one pair of regexp group brackets can be
> removed, but I didn't dare doing so because I wasn't sure if it would
> throw some group numbers off by one.

Thanks for working on this !

Will this patch fix the problem with big header files like
the one originally reported ?

I tested this patch and the issue is still there.

Also, such header files are very common. For example:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/amd/include/asic_reg
This bug report was last modified 4 years and 213 days ago.

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