From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7736 invoked by alias); 29 Jan 2013 11:58:13 -0000 Received: (qmail 7721 invoked by uid 22791); 29 Jan 2013 11:58:13 -0000 X-SWARE-Spam-Status: No, hits=-2.6 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,KHOP_RCVD_TRUST,KHOP_THREADED,RCVD_IN_DNSWL_LOW,RCVD_IN_HOSTKARMA_YE X-Spam-Check-By: sourceware.org Received: from mail-ea0-f181.google.com (HELO mail-ea0-f181.google.com) (209.85.215.181) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 29 Jan 2013 11:58:09 +0000 Received: by mail-ea0-f181.google.com with SMTP id i13so152632eaa.26 for ; Tue, 29 Jan 2013 03:58:08 -0800 (PST) X-Received: by 10.14.213.7 with SMTP id z7mr2909253eeo.2.1359460687859; Tue, 29 Jan 2013 03:58:07 -0800 (PST) MIME-Version: 1.0 Received: by 10.223.201.202 with HTTP; Tue, 29 Jan 2013 03:57:47 -0800 (PST) In-Reply-To: References: From: Surya Kiran Gullapalli Date: Tue, 29 Jan 2013 11:58:00 -0000 Message-ID: Subject: Re: gdb.lookup_type problem with boost::multi_index::multi_index_container To: gdb@sourceware.org Content-Type: text/plain; charset=UTF-8 X-IsSubscribed: yes 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: 2013-01/txt/msg00082.txt.bz2 Is there any other way to get the required type ? Surya On Thu, Jan 24, 2013 at 7:23 AM, Surya Kiran Gullapalli wrote: > Hi, > I'm using gdb-7.5, on RHEL 6, compiled with gcc-4.7.2. I'm trying to > write a pretty printer for boost::multi_index and ran into problems > with gdb.lookup_type. > > Attached code has the following declaration. > > TestSet ts; > > Now, at the gdb command prompt, I'm performing the following > operations (in python) > > gdb >> python >> set_value = gdb.parse_and_eval('ts') >> set_type = set_value.type.strip_typedefs() >> t1 = set_type.template_argument(0) # Test >> t2 = set_type.template_argument(1) # boost::mult_index::indexed_by .... >> t3 = set_type.template_argument(2) # std::allocator >> node_type = gdb.lookup_type('boost::multi_index::detail::multi_index_node_type < %s, %s, %s >::type' % (t1, t2, t3)) >> base = gdb.lookup_type ('boost::multi_index::detail::multi_index_base_type < %s, %s, %s >::type' % (t1, t2, t3)) >> allocator = gdb.lookup_type('boost::detail::allocator::rebind_to<%s, %s>::type' % (t3, node_type)) >> end > > I'm getting the node_type correctly. But gdb is unable to get types > for 'base' and 'allocator'. > > ------------------------ The error for 'base' -------------------- > Traceback (most recent call last): > File "", line 1, in > gdb.error: No type named boost::detail::multi_index_base_type < Test, > boost::multi_index::indexed_by std::basic_string, std::allocator >>, &Test::s>, mpl_::na, mpl_::na> > , boost::multi_index::ordered_unique mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, > mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, > mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na>, boost::multi_i > ndex::member, mpl_::na>, > boost::multi_index::ordered_unique float, &Test::f>, mpl_::na, mpl_::na>, mpl_::na, mpl_::na, mpl_::na, > mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, > mpl_::na, mpl_::na > , mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na>, > std::allocator >::type. > Error while executing Python code. > -------------------------------------------------------------- > > and a similar error for 'allocator'. > as boost::multi_index_container is derived from > boost::detail::multi_index_base_type, I'm expecting gdb to return a > valid type for the same. > > Am I missing something here. ? > > Thanks, > Surya