From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.devel Subject: Re: Syntax tables for multiple modes [was: bug#22983: syntax-ppss returns wrong result.] Date: Wed, 23 Mar 2016 17:28:10 +0200 Message-ID: <368c79cd-c8cb-126f-f11c-6dd2e6b0ed80@yandex.ru> References: <20160311151512.GD2888@acm.fritz.box> <2c301ec9-041d-9172-d628-479062314b23@yandex.ru> <20160314151621.GF1894@acm.fritz.box> <874mc2dqtk.fsf@gmail.com> <87egb5cpmg.fsf@gmail.com> <87a8lsd4j3.fsf@gmail.com> <87twk0beuh.fsf@gmail.com> <877fgvgbr1.fsf@gmail.com> <87bn67eq4t.fsf@gmail.com> <87bn66qsgo.fsf@gmail.com> <87fuvhpimn.fsf@gmail.com> <8737rhpdv2.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1458746917 13154 80.91.229.3 (23 Mar 2016 15:28:37 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 23 Mar 2016 15:28:37 +0000 (UTC) To: Stefan Monnier , emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Mar 23 16:28:23 2016 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 1aikhq-0007Aw-Py for ged-emacs-devel@m.gmane.org; Wed, 23 Mar 2016 16:28:22 +0100 Original-Received: from localhost ([::1]:44544 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aikhq-0006NU-6W for ged-emacs-devel@m.gmane.org; Wed, 23 Mar 2016 11:28:22 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42877) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aikhm-0006NN-CW for emacs-devel@gnu.org; Wed, 23 Mar 2016 11:28:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aikhi-0001ne-CL for emacs-devel@gnu.org; Wed, 23 Mar 2016 11:28:18 -0400 Original-Received: from mail-wm0-x22e.google.com ([2a00:1450:400c:c09::22e]:35284) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aikhi-0001nR-5V for emacs-devel@gnu.org; Wed, 23 Mar 2016 11:28:14 -0400 Original-Received: by mail-wm0-x22e.google.com with SMTP id l68so201102168wml.0 for ; Wed, 23 Mar 2016 08:28:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:subject:to:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=WdYHw+yFLmF/Fee6ACOkEHaOyNIWvtr32nUpKfSssys=; b=qyhUqvlzZRUUcYFKtNsBb1ClWI5WoMQCZfP54A3i3tQspsqrBZL4n4lhGdAh8tVzVe 5SeqZpwZhMJoG4Uw2E4sWMZ9Yo/l1nFZwkOe3wR8MHuek9X4bUGPoG4Q65BZ0mNLueZH DLQn9RJcF+Pg5ghPiDqlGOa3Hi3LmxVV//qb+8ttL8iACd7KVafz1TUEGP4TJOTRsYys AlN5GEbhrY+HsJvIZFznVMfZKMCaPqU23SIpZKhDvXEgjHTqxiIkFqnmmHPYCI/YIg30 4RAVl0vtKVTQOM/5KecZI6d11pO2O9uI6tBT0gvg6J/48h3k8yifbHqFT+eEMWiT4Qnn /Rvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:subject:to:references:from:message-id :date:user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=WdYHw+yFLmF/Fee6ACOkEHaOyNIWvtr32nUpKfSssys=; b=TkCDg2ir5ittKZIl3PyA6ryqjrnfzY4RSa9kK7PXU6AfVmHOJ6TZ+HL8hce/eV0WCk gfIftEvPlLUvf+y5HsJk+qxa7/shGzTe7+ImmBglLQ4daVgGDhBhiPo5inZF/lEj5u/D hcuc18/YzlTpmEMpvjQOEOOjr2En4+XW+leFBMenEmCDt3RERLB3jr0T5EwNaLDwhPq3 +6m+OhcpYcjstJ3nRhdwvcg9MMXDadihw2ZnpR8DuyEo1NnegdbEyM+zcdMqRaKNj9Uf TZmDfk2Uog7WczBaOYDeeSg1iUwAbxKfR9ZQs1KOzQwwcvwojZXLNOyRqNu5ySavREk6 R30A== X-Gm-Message-State: AD7BkJKMmF2lfr6/ZAty5D/qgJ39VtEqLgby4gurkGo2aKLoPeuwx/b5fPJtxkX45AW9/g== X-Received: by 10.194.3.110 with SMTP id b14mr4142001wjb.116.1458746893490; Wed, 23 Mar 2016 08:28:13 -0700 (PDT) Original-Received: from [192.168.1.2] ([185.105.175.24]) by smtp.googlemail.com with ESMTPSA id a10sm3088651wjb.38.2016.03.23.08.28.11 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 23 Mar 2016 08:28:12 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.0 In-Reply-To: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a00:1450:400c:c09::22e 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:202138 Archived-At: On 03/23/2016 03:23 PM, Stefan Monnier wrote: > Maybe it's OK to design a multi-mode system which requires every major > mode that wants to play with it well (e.g. well enough to get the kind > of behavior we want for ERB) to basically rewrite its indentation code. > > But this won't fly unless we also make it possible to use major modes > which haven't been rewritten in that way. Supporting both approaches would also require some feature discovery mechanism, or hardcodng a list of modes that support the "advanced" way, somewhere. Can we agree to shelve the PREVIOUS-CHUNKS/STRING-BEFORE/etc discussion until someone comes with a patch that shows a convincing usage of it, in multiple modes? Preferably with some performance numbers, showing a corresponding improvement when used together with some multi-mode package.