Mirror of the gdb mailing list
 help / color / mirror / Atom feed
From: Jean-Marc Saffroy <saffroy@gmail.com>
To: 🐝 <epilys@nessuent.xyz>
Cc: gdb@sourceware.org
Subject: Re: Reloading pretty-printers
Date: Mon, 20 May 2019 14:57:00 -0000	[thread overview]
Message-ID: <CAM5YWZfSQSVUR7JSPq=jfW5mXupVvn805jc7dNS7cJR4v4wt1Q@mail.gmail.com> (raw)
In-Reply-To: <rr5fv.n5kdjc343gd@nessuent.xyz>

Hi,

On Sun, May 19, 2019 at 3:00 PM 🐝 <epilys@nessuent.xyz> wrote:

> Hello,
>
> I'm writing some pretty-printers for a codebase, and when I modify the
> python files with gdb running, I can't seem to use the new version.
> giving `source $GDBINIT` or `source $PRETTYPRINTERDOTPY` gives
> `pretty-printer already registered`
>
> Is there a solution to this other than restarting gdb?
>

When I faced the same problem, I found it useful to simply generate a
random name when registering the pretty printer:

def _build_pretty_printer():
> # hack: random name allows reloading in the same gdb session!
> pp = gdb.printing.RegexpCollectionPrettyPrinter(
> "xxx.%d"%(random.randint(0, 1000000)))
> pp.add_printer('BIGNUM', '^bignum_st$', BNPrinter)
> return pp
>
> gdb.printing.register_pretty_printer(
> gdb.current_objfile(),
> _build_pretty_printer())
>
>
Cheers,
JM


-- 
Jean-Marc Saffroy - saffroy@gmail.com


      reply	other threads:[~2019-05-19 19:23 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-19 19:23 🐝
2019-05-20 14:57 ` Jean-Marc Saffroy [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAM5YWZfSQSVUR7JSPq=jfW5mXupVvn805jc7dNS7cJR4v4wt1Q@mail.gmail.com' \
    --to=saffroy@gmail.com \
    --cc=epilys@nessuent.xyz \
    --cc=gdb@sourceware.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox