From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Francesco =?UTF-8?Q?Potort=C3=AC?= Newsgroups: gmane.emacs.bugs Subject: bug#20629: 25.0.50; Regression: TAGS broken, can't find anything in C++ files. Date: Thu, 28 May 2015 14:16:21 +0200 Message-ID: References: <555EC552.5010600@swipnet.se> <55606A8F.1020109@swipnet.se> <55606CC7.3010401@yandex.ru> <55606F70.10605@swipnet.se> <83twv31jzg.fsf@gnu.org> <83pp5r1hdx.fsf@gnu.org> <83mw0v1e5n.fsf@gnu.org> <83lhgczo16.fsf@gnu.org> <55639175.9090005@yandex.ru> <83fv6kysjf.fsf@gnu.org> <556447EF.3050103@yandex.ru> <83bnh7z8c5.fsf@gnu.org> <5564C2C7.5050909@yandex.ru> <837frvywfn.fsf@gnu.org> <55650812.60909@yandex.ru> <831ti2yu1a.fsf@gnu.org> <5565E28A.5040507@yandex.ru> <83wpzuxbtd.fsf@gnu.org> <55670005.2090709@yandex.ru> NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1432816425 2966 80.91.229.3 (28 May 2015 12:33:45 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 28 May 2015 12:33:45 +0000 (UTC) Cc: 20629@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu May 28 14:33:35 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Yxx04-0002AT-GR for geb-bug-gnu-emacs@m.gmane.org; Thu, 28 May 2015 14:33:28 +0200 Original-Received: from localhost ([::1]:58568 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yxx03-0003iD-UY for geb-bug-gnu-emacs@m.gmane.org; Thu, 28 May 2015 08:33:28 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60754) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YxwkF-0005AS-RF for bug-gnu-emacs@gnu.org; Thu, 28 May 2015 08:17:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YxwkB-00067I-DV for bug-gnu-emacs@gnu.org; Thu, 28 May 2015 08:17:07 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:49075) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YxwkB-00067E-0e for bug-gnu-emacs@gnu.org; Thu, 28 May 2015 08:17:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YxwkA-0003AS-Gu for bug-gnu-emacs@gnu.org; Thu, 28 May 2015 08:17:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Francesco =?UTF-8?Q?Potort=C3=AC?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 28 May 2015 12:17:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20629 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 20629-submit@debbugs.gnu.org id=B20629.143281539812122 (code B ref 20629); Thu, 28 May 2015 12:17:02 +0000 Original-Received: (at 20629) by debbugs.gnu.org; 28 May 2015 12:16:38 +0000 Original-Received: from localhost ([127.0.0.1]:59050 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yxwjh-00039J-7b for submit@debbugs.gnu.org; Thu, 28 May 2015 08:16:37 -0400 Original-Received: from blade3.isti.cnr.it ([194.119.192.19]:44088) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yxwja-00038y-5p for 20629@debbugs.gnu.org; Thu, 28 May 2015 08:16:31 -0400 Original-Received: from tucano.isti.cnr.it ([146.48.81.102]) by mx.isti.cnr.it (PMDF V6.5-x6 #32097) with ESMTPSA id <01PMIEBVDMQMMDDMRJ@mx.isti.cnr.it> for 20629@debbugs.gnu.org; Thu, 28 May 2015 14:16:22 +0200 (MEST) Original-Received: from pot by tucano.isti.cnr.it with local (Exim 4.85) (envelope-from ) id 1YxwjV-00045b-Re; Thu, 28 May 2015 14:16:22 +0200 In-reply-to: <55670005.2090709@yandex.ru> X-INSM-ip-source: 146.48.81.102 Auth Done X-fingerprint: 4B02 6187 5C03 D6B1 2E31 7666 09DF 2DC9 BE21 6115 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:103255 Archived-At: >> In class-based programs, >> like C++, it can be useful to provide a fully-qualified name for an >> identifier, so there is a class::id tag. Here again, it may make sense >> to tag all entries, if it makes TAGS parsing easier or more accurate. > >The question at hand is how Emacs should go from a non-qualified tag >name (because it's a method call in the buffer, and we don't know which >class the object belongs to) to the tag location. Either we use some >implicit matching, or each method tag should have two entries: a >qualified one, and a non-qualified one. Well, I'd say, when matching NAME: first, match against a tag NAME second, if appropriate, match against a tag ::NAME third, regex match against a tag .*::NAME$ fourth, match against the entry, without looking at the tag I would have said that it is already implemented like this, but in fact I cared about etags.c, not much about etags.el. As I said previously, whether the tag is implicit or explicit makes no *logical* difference, but it can impact performance.