From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: cc-mode fontification feels random Date: Mon, 07 Jun 2021 09:20:22 -0400 Message-ID: References: <86a85d26-75c0-e4a3-e8d3-244c5346dd3a@dancol.org> <83r1hehnz9.fsf@gnu.org> <83lf7mhl3n.fsf@gnu.org> <73ff18bf-66dc-7d7a-a0db-8edc2cdceba8@gmx.at> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="756"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Eli Zaretskii , acm@muc.de, dancol@dancol.org, emacs-devel@gnu.org To: martin rudalics Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Jun 07 15:21:35 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lqFCB-000ATt-KJ for ged-emacs-devel@m.gmane-mx.org; Mon, 07 Jun 2021 15:21:35 +0200 Original-Received: from localhost ([::1]:44014 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lqFC9-0007FD-Lf for ged-emacs-devel@m.gmane-mx.org; Mon, 07 Jun 2021 09:21:33 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44858) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lqFBB-0005qq-Fy for emacs-devel@gnu.org; Mon, 07 Jun 2021 09:20:35 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:14601) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lqFB5-0005FY-18; Mon, 07 Jun 2021 09:20:32 -0400 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 5C0418075E; Mon, 7 Jun 2021 09:20:24 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 13F008033D; Mon, 7 Jun 2021 09:20:23 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1623072023; bh=KawLBGt5FG0IJJVzEu8pLCB0L905NdejVFYd9pS9Z7Q=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=M28GIJRgTcwFMca+9mWO/JJlehspooAUcKargAWmPi/O5BBbTL9xMh5tEKgqCxZ7j i/SdDava0yYxj4GoDWcneDZnVQbFQyJjkONog4UkqP5INVKgMWqKgtiTpTyBvxyVNa 8925opLVMZH9EHNnEIOkmuQSYz5YztOfH3i8W3tUzfZk2e7tRiEjTGKPIVJMcEfd+L xhv2idrkL67Cs8DSJqWURIVblGbRvw5Xs40som4D/VOsPei3xijbivdaRxiVtiUDU5 ECOcbIVPTzm/K7D4qlNSnhqmQiDqdDmsscpJoH2yrjSPPE1J6ZTtm3YPiV6LHPIsos uUhnN2rLGnd+g== Original-Received: from alfajor (69-196-163-239.dsl.teksavvy.com [69.196.163.239]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id C0A9D12041A; Mon, 7 Jun 2021 09:20:22 -0400 (EDT) In-Reply-To: <73ff18bf-66dc-7d7a-a0db-8edc2cdceba8@gmx.at> (martin rudalics's message of "Mon, 7 Jun 2021 09:35:12 +0200") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:270527 Archived-At: >>> What exactly are the reasons that we need to scan from BOB? With the >>> exception of data type declarations, what else requires to go back >>> farther that the beginning of the defun in which we start fontifying? >> It all depends on the language. >> E.g. in ELisp, what looks like a defun might actually be in the middle >> of a string and there's no reliable way to know if something's in >> a string other than to parse from BOB. > Unless `open-paren-in-column-0-is-defun-start' is non-nil. We can use hacks like this one, indeed, but it's not in fashion nowadays. Stefan