From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17176 invoked by alias); 18 May 2012 19:36:18 -0000 Received: (qmail 17131 invoked by uid 22791); 18 May 2012 19:36:17 -0000 X-SWARE-Spam-Status: No, hits=-6.5 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,SPF_HELO_PASS,T_RP_MATCHES_RCVD 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, 18 May 2012 19:36:02 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q4IJa0uP023680 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 18 May 2012 15:36:00 -0400 Received: from barimba (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q4IJKpRT012728 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Fri, 18 May 2012 15:20:52 -0400 From: Tom Tromey To: Cc: Subject: Re: Will therefore GDB utilize C++ or not? References: <20120330161403.GA17891@host2.jankratochvil.net> <87aa2rjkb8.fsf@fleche.redhat.com> <4F832D5B.9030308@redhat.com> <20120409190519.GA524@host2.jankratochvil.net> <4F833D29.4050102@redhat.com> <20120416065456.GA30097@host2.jankratochvil.net> <4F8ECB72.70708@redhat.com> <20120418151553.GA16768@host2.jankratochvil.net> <4F8EDD7B.2010602@redhat.com> <20120418155354.GA17912@host2.jankratochvil.net> <201204181748.q3IHm1cF002815@new.toad.com> <87pqb4q2on.fsf@fleche.redhat.com> <201204182309.q3IN9FcF019607@new.toad.com> <87k409gwv0.fsf@fleche.redhat.com> <35C0C41D-6D07-4612-B0C5-DB00CFD2F975@dell.com> Date: Fri, 18 May 2012 19:36:00 -0000 In-Reply-To: <35C0C41D-6D07-4612-B0C5-DB00CFD2F975@dell.com> (Paul Koning's message of "Fri, 18 May 2012 18:46:58 +0000") Message-ID: <87zk95fg8c.fsf@fleche.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.95 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2012-05/txt/msg00090.txt.bz2 >>>>> "Paul" == writes: Tom> For example, look at the Python layer. Despite patch review and our Tom> knowledge of the issues, we still have error-checking and Tom> reference-counting bugs in the code. You can go through the list Tom> archives and find them. Paul> How would C++ help with reference counting bugs? I could see how it Paul> might (or might not) help with the subset related to error handling Paul> that can be made clearer with exceptions. But the reference counting Paul> errors I remember were straight algorithmic mistakes that, as far as I Paul> can see, would have existed in the exact same form if the algorithm Paul> had been expressed in C++. We'd use RAII to ensure that refcounts were automatically managed by the C++ compiler. Tom