From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-patches-return-53064-listarch-gdb-patches=sources.redhat.com@sourceware.org>
Received: (qmail 23379 invoked by alias); 6 Jan 2008 09:11:08 -0000
Received: (qmail 23371 invoked by uid 22791); 6 Jan 2008 09:11:07 -0000
X-Spam-Check-By: sourceware.org
Received: from mx2.suse.de (HELO mx2.suse.de) (195.135.220.15)     by sourceware.org (qpsmtpd/0.31) with ESMTP; Sun, 06 Jan 2008 09:10:48 +0000
Received: from Relay2.suse.de (mail2.suse.de [195.135.221.8]) 	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) 	(No client certificate requested) 	by mx2.suse.de (Postfix) with ESMTP id D960D2F845; 	Sun,  6 Jan 2008 10:10:45 +0100 (CET)
From: Andreas Schwab <schwab@suse.de>
To: Joel Brobecker <brobecker@adacore.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [commit/Ada] Add handling of "ptype TYPE_NAME.FIELD0.[...].FIELDN" expressions
References: <20080104151340.GC3758@adacore.com> 	<20080105185319.GA10591@caradoc.them.org> 	<20080106043437.GI5975@adacore.com>
X-Yow: Well, O.K.  I'll compromise with my principles because of  EXISTENTIAL DESPAIR!
Date: Sun, 06 Jan 2008 09:11:00 -0000
In-Reply-To: <20080106043437.GI5975@adacore.com> (Joel Brobecker's message of 	"Sat\, 5 Jan 2008 20\:34\:37 -0800")
Message-ID: <je7iins4iy.fsf@sykes.suse.de>
User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8bit
X-IsSubscribed: yes
Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb-patches.sourceware.org>
List-Subscribe: <mailto:gdb-patches-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb-patches/>
List-Post: <mailto:gdb-patches@sourceware.org>
List-Help: <mailto:gdb-patches-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-patches-owner@sourceware.org
X-SW-Source: 2008-01/txt/msg00097.txt.bz2

Joel Brobecker <brobecker@adacore.com> writes:

>> >    (gdb) ptype circle.pos
>> >    Invalid attempt to select from type: "circle.pos".
>> > 
>> > The attached patch enhances the debugger to able to do the above.
>> 
>> Is this actually valid in Ada?  You can't do this in C, which is why
>> GDB doesn't handle it for ptype.
>
> Actually, it isn't. But it seemed like a natural extension...

For C you can use this:

(gdb) ptype ((circle)0).pos

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."