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Date: Thu, 14 Apr 2011 07:48:00 -0000
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Subject: gdb command output in python script
From: Surya Kiran Gullapalli <suryakiran.gullapalli@gmail.com>
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On Thu, Apr 14, 2011 at 09:44, Surya Kiran Gullapalli
<suryakiran.gullapalli@gmail.com> wrote:
>
> Hello all,
> I'm trying to implement some pretty-printers for my C++ classes and I wan=
t two types of outputs in debug. verbose and concise. User can turn on/off =
the verbosity levels on gdb command prompt like this
>
> (gdb) set gs-verbose on
> or
> (gdb) set gs-verbose off
>
> where gs-verbose is the custom command (sets a boolean flag to true/false=
). Now In pretty printer I want to do something like this
>
> define to_string():
> =C2=A0=C2=A0=C2=A0 if_less_verbose:
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 return concise_string
> =C2=A0=C2=A0=C2=A0 else:
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 return string
>
> My question is, how can i get the value of verbosity in python code. I ca=
n use gdb.execute to get the output of the gdb command, but it will be stor=
ed in a string. Is string comparison is the only option. Can I get a boolea=
n value from
> custom command ?
>
> Thanks in advance,
> Surya

Hi,

I've achieved this using custom parameter (derived from gdb.Parameter)
and calling gdb.parameter() function from python to fetch the
parameter value.

Thanks,
Surya