This is the mail archive of the
mailing list for the GDB project.
Re: Patch: completion -vs- duplicates
On Sat, Jan 05, 2002 at 10:43:57AM -0500, Daniel Berlin wrote:
> On Sat, 5 Jan 2002, Eli Zaretskii wrote:
> > > From: Tom Tromey <email@example.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.
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