Re: Patch: completion -vs- duplicates

[Daniel Jacobowitz <drow at mvista dot com>]

On Sat, Jan 05, 2002 at 10:43:57AM -0500, Daniel Berlin wrote:
> On Sat, 5 Jan 2002, Eli Zaretskii wrote:
> 
> > > From: Tom Tromey <tromey@redhat.com>
> > > Date: 04 Jan 2002 17:07:51 -0700
> > > 
> > > Right now the `complete' command can print duplicates.  readline seems
> > > to filter these, so you don't see this using Tab in the CLI, but you
> > > can see it in Insight or by using the complete command.
> > 
> > Hm... shouldn't Insight do the same as readline?
> > 
> > In my mind, GDB doesn't do any completion at all.  Completion is a
> > feature of the UI; GDB just helps the UI by providing a function to
> > call to get all the completion candidates.  The rest--how to display
> > the candidates, whether to filter out duplicates, etc.--is up to the
> > UI's completion machinery.  So conceptually, in my mind, the
> > filtering doesn't belong in GDB.
> > 
> > Concepts aside, the change you suggest has also practical
> > disadvantages: filtering duplicates in GDB's completion function would
> > mean a performance hit in the CLI version, since readline will try to
> > filter again.
> 
> Yes. I remember this was the huge lose that caused completion to take 
> forever, which is why I removed the duplicate filtering.
> I'm surprised you insight guys didn't notice then, actually.
> --Dan

Is it possible to turn this off in readline?  I'd rather do it once
than in every frontend!  And from what I recall, readline is not
terribly efficient about it.

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer