From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#29339: 27.0.50; CC-mode doesn't know about .mm and .M suffixes for Objective-C++ Date: Fri, 22 Dec 2017 12:56:57 +0000 Message-ID: <20171222125657.GB8072@ACM> References: <20171117190035.77279.qmail@mail.muc.de> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: blaine.gmane.org 1513947434 4656 195.159.176.226 (22 Dec 2017 12:57:14 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 22 Dec 2017 12:57:14 +0000 (UTC) User-Agent: Mutt/1.7.2 (2016-11-26) Cc: 29339@debbugs.gnu.org To: Philipp Stephani Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Dec 22 13:57:10 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eSMsv-0000ra-Ik for geb-bug-gnu-emacs@m.gmane.org; Fri, 22 Dec 2017 13:57:09 +0100 Original-Received: from localhost ([::1]:49305 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eSMut-0005DD-Ru for geb-bug-gnu-emacs@m.gmane.org; Fri, 22 Dec 2017 07:59:11 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40770) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eSMun-0005Cq-FD for bug-gnu-emacs@gnu.org; Fri, 22 Dec 2017 07:59:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eSMuk-0002cR-8a for bug-gnu-emacs@gnu.org; Fri, 22 Dec 2017 07:59:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:38310) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eSMuk-0002c8-5H; Fri, 22 Dec 2017 07:59:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1eSMuj-0002ht-ME; Fri, 22 Dec 2017 07:59:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, bug-cc-mode@gnu.org Resent-Date: Fri, 22 Dec 2017 12:59:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 29339 X-GNU-PR-Package: emacs,cc-mode X-GNU-PR-Keywords: Original-Received: via spool by 29339-submit@debbugs.gnu.org id=B29339.151394753210384 (code B ref 29339); Fri, 22 Dec 2017 12:59:01 +0000 Original-Received: (at 29339) by debbugs.gnu.org; 22 Dec 2017 12:58:52 +0000 Original-Received: from localhost ([127.0.0.1]:46988 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eSMua-0002hQ-EX for submit@debbugs.gnu.org; Fri, 22 Dec 2017 07:58:52 -0500 Original-Received: from colin.muc.de ([193.149.48.1]:55725 helo=mail.muc.de) by debbugs.gnu.org with smtp (Exim 4.84_2) (envelope-from ) id 1eSMuY-0002hH-Cl for 29339@debbugs.gnu.org; Fri, 22 Dec 2017 07:58:50 -0500 Original-Received: (qmail 39800 invoked by uid 3782); 22 Dec 2017 12:58:48 -0000 Original-Received: from acm.muc.de (p548C743A.dip0.t-ipconnect.de [84.140.116.58]) by colin.muc.de (tmda-ofmipd) with ESMTP; Fri, 22 Dec 2017 13:58:47 +0100 Original-Received: (qmail 8176 invoked by uid 1000); 22 Dec 2017 12:56:57 -0000 Content-Disposition: inline In-Reply-To: X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:141370 Archived-At: Hello, Philipp. On Thu, Dec 21, 2017 at 19:22:05 +0000, Philipp Stephani wrote: > Alan Mackenzie schrieb am Fr., 17. Nov. 2017 um 20:00 Uhr: > > In article you > > wrote: > > > GCC uses .mm or .M for Objective-C++, > > > cf. https://gcc.gnu.org/onlinedocs/gcc-7.2.0/gcc/Overall-Options.html. > > > However, neither `auto-mode-alist' nor `cc-other-file-alist' contain > > > these file extensions. > > I don't think there's an Objective-C++ mode out there in the wild. So > > what existing mode should be used for *.mm and *.M? Is that mode a good > > enough fit to be able, in good conscience, to use it for Obj-C++? > According to https://www.emacswiki.org/emacs/ObjectiveCMode#toc2 objc-mode > is the most appropriate mode for now, until a true objc++-mode is added. That only answers the first question, not the second. If we put .M and .mm into CC Mode or auto-mode-alist in Emacs, that implies some sort of commitment to support the language (Objective-C++). If Objective-C Mode already almost supports it properly, that is one thing, but if the match is less good, it could involve a lot of work. >From what I can gather, Objective-C++ is a bit of a mixture between Objective-C and C++, much as its name implies. Do these individual facets fit together (from a CC Mode point of view) without clashing too much? According to Wikipedia, the language is not formerly defined in any standard. What, then, is the language? Do you know of anybody working on an Objective-C++ Mode? -- Alan Mackenzie (Nuremberg, Germany).