From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-return-37141-listarch-gdb=sources.redhat.com@sourceware.org>
Received: (qmail 16426 invoked by alias); 19 Mar 2010 17:54:40 -0000
Received: (qmail 16411 invoked by uid 22791); 19 Mar 2010 17:54:39 -0000
X-SWARE-Spam-Status: No, hits=-7.4 required=5.0 	tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS
X-Spam-Check-By: sourceware.org
Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28)     by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 19 Mar 2010 17:54:35 +0000
Received: from int-mx05.intmail.prod.int.phx2.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.18]) 	by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o2JHsCK7011624 	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); 	Fri, 19 Mar 2010 13:54:12 -0400
Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) 	by int-mx05.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o2JHsBT6024319; 	Fri, 19 Mar 2010 13:54:12 -0400
Received: from opsy.redhat.com (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) 	by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id o2JHsABQ024922; 	Fri, 19 Mar 2010 13:54:11 -0400
Received: by opsy.redhat.com (Postfix, from userid 500) 	id 77739379848; Fri, 19 Mar 2010 11:54:10 -0600 (MDT)
From: Tom Tromey <tromey@redhat.com>
To: Joel Brobecker <brobecker@adacore.com>
Cc: Michael Snyder <msnyder@vmware.com>,         "gdb\@sourceware.org" <gdb@sourceware.org>
Subject: Re: same-name vars from different scopes
References: <4BA2B416.6000708@vmware.com> <m3eijhyt30.fsf@fleche.redhat.com> 	<20100319052814.GG2858@adacore.com>
Reply-To: Tom Tromey <tromey@redhat.com>
Date: Fri, 19 Mar 2010 17:54:00 -0000
In-Reply-To: <20100319052814.GG2858@adacore.com> (Joel Brobecker's message of 	"Thu, 18 Mar 2010 22:28:14 -0700")
Message-ID: <m3r5ngxkn1.fsf@fleche.redhat.com>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Mailing-List: contact gdb-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb.sourceware.org>
List-Subscribe: <mailto:gdb-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb/>
List-Post: <mailto:gdb@sourceware.org>
List-Help: <mailto:gdb-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-owner@sourceware.org
X-SW-Source: 2010-03/txt/msg00174.txt.bz2

>>>>> "Joel" == Joel Brobecker <brobecker@adacore.com> writes:

>> There's no syntax for printing a local variable which is hidden by a
>> more inner definition.

Joel> In that case, I think you have to switch frames (there might be
Joel> a known bug with Ada on that subject).

Actually, I meant nested lexical scopes:

void f () {
  int x = something;
  {
     int x = something_else;
  }
}

If you in the inner scope, you can't refer directly to the outer 'x'.
You can see it with "info locals", but you can't use it in an expression.

Tom