From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: =?utf-8?Q?=C3=93scar_Fuentes?= Newsgroups: gmane.emacs.devel Subject: Re: Is intellisense features integration in Emacs technically possible? Date: Wed, 22 Jan 2014 19:12:14 +0100 Message-ID: <8761pbga2p.fsf@wanadoo.es> References: <1390269670.2888.14.camel@localhost.localdomain> <83zjmpf80o.fsf@gnu.org> <83vbxcfzaa.fsf@gnu.org> <87eh40fx9j.fsf@wanadoo.es> <87txcwotp2.fsf@engster.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1390414359 15152 80.91.229.3 (22 Jan 2014 18:12:39 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 22 Jan 2014 18:12:39 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Jan 22 19:12:45 2014 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 1W62I7-0004bz-7I for ged-emacs-devel@m.gmane.org; Wed, 22 Jan 2014 19:12:43 +0100 Original-Received: from localhost ([::1]:36890 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W62I6-000417-O1 for ged-emacs-devel@m.gmane.org; Wed, 22 Jan 2014 13:12:42 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55563) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W62Hx-0003tu-Ue for emacs-devel@gnu.org; Wed, 22 Jan 2014 13:12:39 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W62Hr-0001Ph-Mi for emacs-devel@gnu.org; Wed, 22 Jan 2014 13:12:33 -0500 Original-Received: from plane.gmane.org ([80.91.229.3]:51694) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W62Hr-0001Pd-G7 for emacs-devel@gnu.org; Wed, 22 Jan 2014 13:12:27 -0500 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1W62Hq-0004VE-Bp for emacs-devel@gnu.org; Wed, 22 Jan 2014 19:12:26 +0100 Original-Received: from 231.red-83-41-62.dynamicip.rima-tde.net ([83.41.62.231]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 22 Jan 2014 19:12:26 +0100 Original-Received: from ofv by 231.red-83-41-62.dynamicip.rima-tde.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 22 Jan 2014 19:12:26 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 31 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 231.red-83-41-62.dynamicip.rima-tde.net User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) Cancel-Lock: sha1:W0jT1B4nwkSb72dOWOHnCzF8XF4= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 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:168911 Archived-At: David Engster writes: >> Writing a C++ parser and semantic analyzer from scratch requires several >> man-years of work for world-class compiler writers. > > You don't need a full parser. For providing completions, it is > sufficient to parse only a small subset of the code (declarations, most > importantly). Even for providing completions you need semantic analysis. The parser turns to be insufficient on very simple cases: auto foo = bar(); foo. ???? The need for semantic analysis is unavoidable even on the "old" C++ 98: template struct Foo { typedef T Type; }; struct Bar { int something() { return 42; } }; void some_func() { typename Foo::Type t; t. ??? }