From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Allow xref to use other than current major-mode Date: Tue, 25 Aug 2015 18:23:20 +0300 Message-ID: <83lhczfl3r.fsf@gnu.org> References: <86fv37it65.fsf@stephe-leake.org> <55DC5612.9050704@yandex.ru> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1440516239 10939 80.91.229.3 (25 Aug 2015 15:23:59 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 25 Aug 2015 15:23:59 +0000 (UTC) Cc: stephen_leake@stephe-leake.org, emacs-devel@gnu.org To: Dmitry Gutov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Aug 25 17:23:50 2015 Return-path: Envelope-to: ged-emacs-devel@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 1ZUG4j-0002t3-Tx for ged-emacs-devel@m.gmane.org; Tue, 25 Aug 2015 17:23:50 +0200 Original-Received: from localhost ([::1]:60914 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZUG4j-0007Ky-1u for ged-emacs-devel@m.gmane.org; Tue, 25 Aug 2015 11:23:49 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43781) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZUG4V-0007Ks-QY for emacs-devel@gnu.org; Tue, 25 Aug 2015 11:23:36 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZUG4S-00074m-LL for emacs-devel@gnu.org; Tue, 25 Aug 2015 11:23:35 -0400 Original-Received: from mtaout28.012.net.il ([80.179.55.184]:52998) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZUG4S-000745-DJ for emacs-devel@gnu.org; Tue, 25 Aug 2015 11:23:32 -0400 Original-Received: from conversion-daemon.mtaout28.012.net.il by mtaout28.012.net.il (HyperSendmail v2007.08) id <0NTN00C0099FLT00@mtaout28.012.net.il> for emacs-devel@gnu.org; Tue, 25 Aug 2015 18:23:24 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.94.185.246]) by mtaout28.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NTN005JQ9F00N80@mtaout28.012.net.il>; Tue, 25 Aug 2015 18:23:24 +0300 (IDT) In-reply-to: <55DC5612.9050704@yandex.ru> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 80.179.55.184 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:189166 Archived-At: > From: Dmitry Gutov > Date: Tue, 25 Aug 2015 14:48:34 +0300 > > > There are similar use cases; from a LaTeX document buffer, looking at the > > description of an Ada function, find the Ada code that defines that > > function. Or from a text mode notes file, look for a definition in any > > one of several languages. > > All similar cases can be solved by a project-aware xref backend that > knows about all languages used, and allows navigating to identifiers in > all of them. It would be nice to have that capability without the need to create a project. E.g., how about adding to Emacs a few back-ends that support widely used combinations of languages, like C and Lisp in our case?