Re: [patch] Add support for hooking prefix commands

[Sorin Otescu <sorinu at gmail dot com>]

On 03/09/2011 03:39 PM, Eli Zaretskii wrote:
> > Date: Wed, 09 Mar 2011 14:54:44 +0200
> > From: Sorin Otescu<sorinu@gmail.com>
> > CC: gdb-patches@sourceware.org
> >
> > > Can we have underscore characters in commands?  If so, this
> > > implementation would defeat hooking them.
> > It is possible to define commands containing underscores, but none of
> > the built-in commands
> > contain any (they all use dash).
> That could be a problem.  What do others think?
>
> > > Anyway, if this is accepted, please write a short patch for the manual
> > > as well.
> > The documentation for 7.2 suggests this functionality is already there;
> > the difference is that
> > you need to hook the last word of the command (in this case,
> > hook-threads). I wonder if
> > that's enough / better... This patch was generated from 7.0 and adapted
> > to 7.2.
> Are you saying that 7.2 already supports this feature?  Or are you
> saying that it's documented there, but doesn't work?
It's documented there, but I can't test it ATM, because I'm using a gdb 
from a toolchain and it's not
easy for me to switch to 7.2. Maybe somebody can shed a light on the issue.
I see some problems with that approach, even if it works. What happens 
if two or more commands
have the same second word ?  Which one would be used ?