From: Daimrod <daimrod@gmail.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: Leo Liu <sdl.web@gmail.com>, 11906@debbugs.gnu.org
Subject: bug#11906: 24.1; completion-at-point failures
Date: Sun, 12 May 2013 01:11:48 +0200 [thread overview]
Message-ID: <871u9djemj.fsf@tanger.home> (raw)
In-Reply-To: <jwv7gj69oif.fsf-monnier+emacs@gnu.org> (Stefan Monnier's message of "Fri, 10 May 2013 23:40:39 -0400")
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Stefan Monnier <monnier@iro.umontreal.ca> writes:
>>> The difference between 2 and 3 calls shouldn't be sufficiently large to
>>> go from "acceptable" to "terrible delay".
>> It is a difference between 1 and 3 calls because a user can also run
>> octave in terminal and find that how responsive it actually is.
>
> But the generic completion code can't easily go down to a single call in
> the general case.
>
>> I think if completion-at-point can work well when there is a 2-second
>> cost in a completion-at-point function, it can provide an excellent
>> experience.
>
> Obviously it can, via caching. Most completion tables which incur
> a significant computation code should use caching, but we can't use
> caching unconditionally, because it's hard to come up with a general
> conditions under which the cache can be reused or needs to be flushed.
>
> As mentioned, we could try and provide a generic completion-table cache
> so as to make it easier to write completion tables that have
> a significant computation cost. Patches welcome.
Hello,
Maybe I didn't understand what you mean, but AFAIK it's already
available. You can compute a list of possible completions only once and
then return a completion table (start end COLLECTION) where collection
is a function described here (info "(elisp) Programmed Completion").
--
Daimrod/Greg
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next prev parent reply other threads:[~2013-05-11 23:11 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-11 5:54 bug#11906: 24.1; completion-at-point failures Leo
2012-07-12 14:00 ` Stefan Monnier
2013-05-10 6:38 ` Leo Liu
2013-05-10 20:36 ` Stefan Monnier
2013-05-11 1:50 ` Leo Liu
2013-05-11 3:40 ` Stefan Monnier
2013-05-11 4:47 ` Leo Liu
2013-05-11 14:51 ` Stefan Monnier
2013-05-13 1:28 ` Leo Liu
2013-05-13 15:27 ` Stefan Monnier
2013-05-14 0:56 ` Leo Liu
2013-05-14 2:53 ` Stefan Monnier
2013-05-14 3:30 ` Leo Liu
2013-05-11 20:18 ` Andreas Röhler
2013-05-11 23:11 ` Daimrod [this message]
2013-05-13 15:28 ` Stefan Monnier
2013-05-21 23:39 ` Dmitry Gutov
2013-05-22 19:16 ` Stefan Monnier
2013-12-05 3:23 ` Dmitry Gutov
2013-12-05 4:33 ` Stefan Monnier
2013-12-06 1:02 ` Dmitry Gutov
2013-12-06 4:00 ` Leo Liu
2013-12-06 4:32 ` Dmitry Gutov
2013-12-06 5:36 ` Leo Liu
2013-12-06 13:15 ` Dmitry Gutov
2013-12-06 14:04 ` Leo Liu
2013-12-06 17:35 ` Stefan Monnier
2013-12-07 2:05 ` Leo Liu
2013-12-07 22:45 ` Stefan Monnier
2013-12-06 17:36 ` Stefan Monnier
2013-12-07 2:02 ` Dmitry Gutov
2013-12-07 2:40 ` Leo Liu
2013-12-07 16:13 ` Dmitry Gutov
2013-12-09 2:27 ` Leo Liu
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