From: "Andreas Röhler" <andreas.roehler@easy-emacs.de>
To: Leo Liu <sdl.web@gmail.com>
Cc: 14303@debbugs.gnu.org
Subject: bug#14303: 24.3; Bug in comment-search-backward
Date: Fri, 17 May 2013 14:39:17 +0200 [thread overview]
Message-ID: <519624F5.5040600@easy-emacs.de> (raw)
In-Reply-To: <m1txm1lu12.fsf@gmail.com>
Am 17.05.2013 13:34, schrieb Leo Liu:
> On 2013-05-17 19:14 +0800, Andreas Röhler wrote:
>> The succession of things doesn't look right yet.
>>
>> if (eq comment-use-syntax nil)
>>
>> re-search-backward based solution
>>
>> which is very seldom. Grep shows 4 cases.
>>
>> Otherwise syntax-ppss - , prog1 and nth 4 goto char nth 8 - or so.
>> Make sure wrong regexp isn't called then/no wrong matches.
>>
>> Andreas
>
> There is possible optimisation when 'end' is in a string.
Don't understand. "end" can't be in a string, if syntax-ppss is used.
Other than
> that do you have a case where my solution will fail?
Not just fail.
However most if this code looks redundant, useless employing of re-search-..., which will slow down Emacs when called from a program.
>
> Leo
>
next prev parent reply other threads:[~2013-05-17 12:39 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-29 13:27 bug#14303: 24.3; Bug in comment-search-backward Leo Liu
2013-05-15 11:33 ` Leo Liu
2013-05-15 16:13 ` Andreas Röhler
2013-05-16 4:02 ` Leo Liu
2013-05-16 7:12 ` Andreas Röhler
2013-05-17 10:47 ` Leo Liu
2013-05-17 11:14 ` Andreas Röhler
2013-05-17 11:34 ` Leo Liu
2013-05-17 12:39 ` Andreas Röhler [this message]
2013-05-17 13:18 ` Leo Liu
2013-05-17 13:28 ` Stefan Monnier
2013-05-17 13:37 ` Leo Liu
2013-05-17 14:27 ` Andreas Röhler
2013-05-17 22:52 ` Leo Liu
2013-05-18 5:23 ` Andreas Röhler
2013-05-21 1:55 ` Stefan Monnier
2013-05-22 10:58 ` Andreas Röhler
2013-05-22 15:58 ` Stefan Monnier
2013-05-22 16:53 ` Andreas Röhler
2013-05-17 15:52 ` Stefan Monnier
2013-05-17 22:54 ` Leo Liu
2013-05-16 13:28 ` Stefan Monnier
2013-05-16 15:50 ` Leo Liu
2013-05-16 17:38 ` Stefan Monnier
2013-05-17 0:35 ` Leo Liu
2013-05-17 13:26 ` Stefan Monnier
2013-05-17 22:51 ` Leo Liu
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