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From: Jonathan Wakely <jwakely.gcc@gmail.com>
To: Paul Smith <paul@mad-scientist.net>
Cc: gcc-help <gcc-help@gcc.gnu.org>
Subject: Re: Help using the GDB C++ STL pretty-printers / xmethods
Date: Mon, 9 May 2022 10:32:17 +0100	[thread overview]
Message-ID: <CAH6eHdR+X5yPSLdNdaFqFBAWUz7VPSaSG6Nwfw8JfPUVovCyxw@mail.gmail.com> (raw)
In-Reply-To: <7c6d308fdbbcabf83dd5423c33ca851666beaae7.camel@mad-scientist.net>

On Sun, 8 May 2022 at 20:44, Paul Smith <paul@mad-scientist.net> wrote:
>
> On Sun, 2022-05-08 at 09:16 +0100, Jonathan Wakely wrote:
> > > gdb.set_convenience_variable('mgr', val['mgr'])
> > > init = gdb.parse_and_eval('$mgr->initialized')
> > >
> > > This will use the xmethod to evaluate the expression.
> >
> > And then:
> >
> > if init:
> >     return gdb.parse_and_eval('*$mgr')
>
> Unfortunately, this doesn't work :(.  I can't do it from the GDB
> command line or python (I have tried both with the same results).
> Something about convenience variables doesn't play well with xmethods
> (or maybe this xmethod implementation specifically?)

You're right, sorry. It doesn't work for me with a convenience variable.

But since what you want is something that works in arbitrary Python
code, not just within GDB, doesn't pybind11 already do everything you
want?
https://github.com/pybind/pybind11

  parent reply	other threads:[~2022-05-09  9:32 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-07  1:23 Paul Smith
2022-05-07 11:19 ` Hannes Domani
2022-05-07 15:07   ` Paul Smith
2022-05-07 15:35     ` Jonathan Wakely
2022-05-07 19:07       ` Paul Smith
2022-05-07 19:51         ` Jonathan Wakely
2022-05-07 23:08           ` Paul Smith
2022-05-08  8:13             ` Jonathan Wakely
2022-05-08  8:16               ` Jonathan Wakely
2022-05-08 14:09                 ` Paul Smith
2022-05-08 14:36                   ` Jonathan Wakely
2022-05-08 19:44                 ` Paul Smith
2022-05-08 20:26                   ` Paul Smith
2022-05-09 10:47                     ` Hannes Domani
2022-05-09 10:52                       ` Hannes Domani
2022-05-09  9:32                   ` Jonathan Wakely [this message]
2022-05-09 11:23                     ` Jonathan Wakely
2022-05-09 14:05                       ` Paul Smith
2022-05-09 14:40                         ` Paul Smith
2022-05-07 15:44     ` Hannes Domani
2022-05-07 15:25 ` Jonathan Wakely

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