From: John Wiegley <jwiegley@gmail.com>
To: Dmitry Gutov <dgutov@yandex.ru>
Cc: Alan Mackenzie <acm@muc.de>, Eli Zaretskii <eliz@gnu.org>,
emacs-devel@gnu.org
Subject: Re: Bug #25608 and the comment-cache branch
Date: Sat, 11 Feb 2017 18:53:58 -0800 [thread overview]
Message-ID: <m2fujkm855.fsf@newartisans.com> (raw)
In-Reply-To: <8f9e68fc-4314-625d-b4bf-796c71c91798@yandex.ru> (Dmitry Gutov's message of "Mon, 6 Feb 2017 04:09:42 +0200")
>>>>> "DG" == Dmitry Gutov <dgutov@yandex.ru> writes:
GD> One normally adds an alternative source of truth (i.e. a "cache") to fix a
DG> significant performance problem, when one really can't do so otherwise.
DG> It seems we agree now that comment-cache's existence can't be justified by
GD> performance considerations.
DG> Cache invalidation is a known hard problem in CS, so we generally don't
GD> want to have extra caches.
This argument right here is why I would vote against comment-cache: I'd rather
have parens-in-comments-at-column-0 parsed incorrectly -- at least, until
syntax-ppss is fixed -- than to add another cache just to fix this problem.
Unless I've missed something...
--
John Wiegley GPG fingerprint = 4710 CF98 AF9B 327B B80F
http://newartisans.com 60E1 46C4 BD1A 7AC1 4BA2
next prev parent reply other threads:[~2017-02-12 2:53 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-02 20:24 Bug #25608 and the comment-cache branch Alan Mackenzie
2017-02-02 20:47 ` Eli Zaretskii
2017-02-02 21:51 ` Alan Mackenzie
2017-02-02 22:15 ` Dmitry Gutov
2017-02-03 7:41 ` Eli Zaretskii
2017-02-03 17:29 ` Alan Mackenzie
2017-02-03 22:08 ` Dmitry Gutov
2017-02-04 10:24 ` Alan Mackenzie
2017-02-06 2:09 ` Dmitry Gutov
2017-02-06 19:24 ` Alan Mackenzie
2017-02-07 1:42 ` Dmitry Gutov
2017-02-07 19:21 ` Alan Mackenzie
2017-02-14 15:28 ` Dmitry Gutov
2017-02-14 16:38 ` Stefan Monnier
2017-02-22 2:25 ` Dmitry Gutov
2017-02-22 3:53 ` Stefan Monnier
2017-02-23 14:23 ` Dmitry Gutov
2017-02-23 14:48 ` Stefan Monnier
2017-02-24 7:46 ` Tom Tromey
2017-02-14 21:14 ` Alan Mackenzie
2017-02-16 14:10 ` Stefan Monnier
2017-02-18 10:44 ` Alan Mackenzie
2017-02-18 13:49 ` Stefan Monnier
2017-02-12 2:53 ` John Wiegley [this message]
2017-02-12 8:20 ` Elias Mårtenson
2017-02-12 10:47 ` Alan Mackenzie
2017-02-12 11:14 ` martin rudalics
2017-02-12 15:05 ` Andreas Röhler
2017-02-12 15:39 ` Eli Zaretskii
2017-02-05 22:00 ` Alan Mackenzie
2017-02-06 1:12 ` Stefan Monnier
2017-02-06 18:37 ` Alan Mackenzie
2017-02-08 17:20 ` Eli Zaretskii
2017-02-11 23:25 ` Alan Mackenzie
2017-02-12 0:55 ` Stefan Monnier
2017-02-12 12:05 ` Alan Mackenzie
2017-02-12 13:13 ` Juanma Barranquero
2017-02-12 15:57 ` Dmitry Gutov
2017-02-12 17:29 ` Alan Mackenzie
2017-02-12 20:35 ` Dmitry Gutov
2017-02-13 1:47 ` zhanghj
2017-02-13 5:50 ` Stefan Monnier
2017-02-13 6:45 ` zhanghj
2017-02-13 7:24 ` Stefan Monnier
2017-02-13 7:59 ` zhanghj
2017-02-13 9:25 ` Stefan Monnier
2017-02-13 16:14 ` Drew Adams
2017-02-13 7:05 ` zhanghj
2017-02-13 7:16 ` zhanghj
2017-02-13 14:57 ` Dmitry Gutov
2017-02-12 17:49 ` Stefan Monnier
2017-02-13 18:09 ` Alan Mackenzie
2017-02-13 19:34 ` Eli Zaretskii
2017-02-13 21:21 ` Stefan Monnier
2017-02-02 22:14 ` Dmitry Gutov
2017-02-03 16:44 ` Alan Mackenzie
2017-02-03 21:53 ` Dmitry Gutov
2017-02-04 11:02 ` Alan Mackenzie
2017-02-06 1:28 ` Dmitry Gutov
2017-02-06 19:37 ` Alan Mackenzie
2017-02-06 2:08 ` Stefan Monnier
2017-02-06 20:01 ` Alan Mackenzie
2017-02-06 22:33 ` Stefan Monnier
2017-02-07 21:24 ` Alan Mackenzie
2017-02-08 12:54 ` Stefan Monnier
2017-02-07 15:29 ` Eli Zaretskii
2017-02-07 21:09 ` Alan Mackenzie
2017-02-08 17:28 ` Eli Zaretskii
2017-02-02 23:57 ` Stefan Monnier
2017-02-03 16:19 ` Alan Mackenzie
2017-02-04 9:06 ` Andreas Röhler
2017-02-04 18:18 ` Stefan Monnier
2017-02-04 18:28 ` Alan Mackenzie
2017-02-03 7:49 ` Yuri Khan
2017-02-03 18:30 ` Andreas Röhler
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