[ESS-bugs] Re: ess 5.2.2; TAB completion takes *ages* ..

[A.J. Rossini]

If I recall, this is actually a "well known" issue with Emacs on
Windows (but with XEmacs on Windows having a different set of
problems). 

Not sure what to do, though.


Martin Maechler <maechler at stat.math.ethz.ch> writes:

> This should have gone back to ESS-bugs :
>
> From: David Heffernan <david at heffs.org.uk>
> Subject: Re: [ESS-bugs] ess 5.2.2; TAB completion takes *ages* ..
> To: Martin Maechler <maechler at stat.math.ethz.ch>
> Date: Thu, 19 Aug 2004 22:11:15 +0000
>
> Martin,
>
> Thanks a lot for getting back to me so quickly - it's much appreciated.
>
> As you suggested I installed GNU Emacs 21.3 and the problem occurs 
> exactly as before.
>
> M-x ess-resynch takes an age:
>
> Forming completions for .GlobalEnv...... (wait 20 seconds)
> Forming completions for Methods.....
> etc.
> etc.
>
> It takes a couple of minutes to get through all the environments / packages.
>
> Have you any ideas what to try next?
>
> Cheers, David.
>
> Martin Maechler wrote:
>
>>Yes indeed, this has not been a problem on Linux with R.
>>
>>You indicated using Emacs 20.7 which is from the last century.
>>I don't really believe the problem to be an Emacs 20 one, but
>>since ``everyone else'' uses Emacs 21.3 (I use 21.2
>>occasionally) it would definitely make debugging easier.
>>
>>Thanks a lot for offering to debug this problem.
>>AFAICS, I have no ess-r-namedb.el file either (on Linux) and
>>still things work very fast.
>>
>>What happens when you (go to the *R* buffer and) type
>>M-x ess-resynch ?
>>It takes about half a second for me (fast Linux box though)
>>your "current state" (below) looks exactly like mine...
>>
>>Regards,
>>Martin
>>
>>  
>>
>>>>>>>"David" == David Heffernan <david at heffs.org.uk>
>>>>>>>    on Wed, 18 Aug 2004 20:50:12 +0000 writes:
>>>>>>>            
>>>>>>>
>>
>>    David> Hi, I'm having problems with ESS tab completion.  The
>>    David> problem occurs on both Windows 2000 and XP and
>>    David> possible other Windows versions.  I'm using R version
>>    David> 1.8.1 but I've had the problem with a various earlier
>>    David> versions too so I don't think the R version is a
>>    David> significant factor.
>>
>>    David> The first time you attempt a tab completion in ESS it
>>    David> forms the list of available completions.  This
>>    David> operation takes a *very* long time.  After that
>>    David> completion works a treat for the duration of the ESS
>>    David> session.  When you start another session it's back to
>>    David> square one.
>>
>>    David> I'm aware of the ess-object-name-db game.  I followed
>>    David> the instructions to create the ess-r-namedb.el file.
>>    David> Then when I start ESS again the ess-object-name-db
>>    David> variable is indeed defined (it's a local to the *R*
>>    David> buffer).  But still the first tab completion takes an
>>    David> age.
>>
>>    David> I know that there a many other users suffering with
>>    David> the same problem (this is clear as a result of my
>>    David> websearches to attempt to find a solution).  Do you
>>    David> know of a solution to the problem?
>>
>>    David> The fact that the problem has been known for a while
>>    David> and there has been no solution makes me wonder
>>    David> whether the ESS developers can reproduce it.  I know
>>    David> Linux users who don't experience this problem so that
>>    David> seems plausible.  If this is the case then perhaps I
>>    David> can help track it down since I can easily reproduce
>>    David> the problem.  I work as a software developer and so
>>    David> am experienced in tracking and debugging software
>>    David> problems.  However, I've never debugged anything like
>>    David> Emacs or ESS and realise that I would need some help
>>    David> setting up a dev environment for debugging.
>>
>>
>>    David> Cheers,
>>
>>
>>    David> David Heffernan.
>>
>>
>>    David> Emacs  : GNU Emacs 20.7.1 (i386-*-nt5.1.2600)
> 	         ............
> ----------
>
>
> _______________________________________________
> ESS-bugs ESS-bugs at stat.math.ethz.ch
> https://stat.ethz.ch/mailman/listinfo/ess-bugs
>
> _______________________________________________
> ESS-core list: https://stat.ethz.ch/mailman/listinfo/ess-core
>

-- 
Anthony Rossini			    Research Associate Professor
rossini at u.washington.edu            http://www.analytics.washington.edu/ 
Biomedical and Health Informatics   University of Washington
Biostatistics, SCHARP/HVTN          Fred Hutchinson Cancer Research Center
UW (Tu/Th/F): 206-616-7630 FAX=206-543-3461 | Voicemail is unreliable
FHCRC  (M/W): 206-667-7025 FAX=206-667-4812 | use Email

CONFIDENTIALITY NOTICE: This e-mail message and any attachme...{{dropped}}