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Subject: Re: doing a comparison in python
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From: Paul Koning <paul_koning@dell.com>
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Date: Tue, 17 Aug 2010 10:59:00 -0000
Cc: Mathew Yeates <mat.yeates@gmail.com>, Michael Snyder <msnyder@vmware.com>, "gdb@sourceware.org" <gdb@sourceware.org>
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To: Thiago Jung Bauermann <bauerman@br.ibm.com>
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On Aug 16, 2010, at 9:40 PM, Thiago Jung Bauermann wrote:

> On Mon, 2010-08-16 at 17:34 -0700, Mathew Yeates wrote:
>> On Mon, Aug 16, 2010 at 5:26 PM, Michael Snyder <msnyder@vmware.com> wro=
te:
>>> Mathew Yeates wrote:
>>>> I am debugging fortran code and I want to see if an interior value is
>>>> equal to .FALSE.
>>>> I know how to get the value with parse_and_eval but what do I do with =
it?
>>>=20
>>> Can we assume this value is an integer?
>>> Then you should be able to do something like this:
>>>=20
>>>  long foo =3D value_as_long (parse_and_eval (my_value));
>>>=20
>>>  if (foo =3D=3D 0)
>>>     [...];
>>=20
>> no. it's a logical. Either .TRUE. or .FALSE.
>=20
> GDB values in Python scripts can be directly compared with Python's
> native types, so you can just say:
>=20
> foo =3D gdb.parse_and_eval ("foo")
> if foo =3D=3D True:
>  print 'hooray'
> --=20

That's a bit redundant, just as it would be in C.  I would write:

foo =3D gdb.parse_and_eval ("foo")
if foo:
   print 'hooray'
--
	paul