From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Stephen Leake Newsgroups: gmane.emacs.devel Subject: Re: Reliable after-change-functions (via: Using incremental parsing in Emacs) Date: Fri, 03 Apr 2020 16:04:04 -0800 Message-ID: <867dywdsln.fsf@stephe-leake.org> References: <83369o1khx.fsf@gnu.org> <83imijz68s.fsf@gnu.org> <831rp7ypam.fsf@gnu.org> <86wo6yhj4d.fsf@stephe-leake.org> <83r1x6x8df.fsf@gnu.org> <86tv21fgls.fsf@stephe-leake.org> <83zhbtvwsm.fsf@gnu.org> <868sjcfoon.fsf@stephe-leake.org> <83369kwhds.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="30849"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (windows-nt) To: emacs-devel Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Apr 04 02:04:53 2020 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 1jKWIv-0007vx-22 for ged-emacs-devel@m.gmane-mx.org; Sat, 04 Apr 2020 02:04:53 +0200 Original-Received: from localhost ([::1]:33922 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jKWIu-0004dX-3U for ged-emacs-devel@m.gmane-mx.org; Fri, 03 Apr 2020 20:04:52 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42378) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jKWII-0003qa-IQ for emacs-devel@gnu.org; Fri, 03 Apr 2020 20:04:15 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jKWIH-0007zb-CL for emacs-devel@gnu.org; Fri, 03 Apr 2020 20:04:14 -0400 Original-Received: from gateway34.websitewelcome.com ([192.185.149.62]:40315) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jKWIH-0007y9-7i for emacs-devel@gnu.org; Fri, 03 Apr 2020 20:04:13 -0400 Original-Received: from cm17.websitewelcome.com (cm17.websitewelcome.com [100.42.49.20]) by gateway34.websitewelcome.com (Postfix) with ESMTP id D465612CF542 for ; Fri, 3 Apr 2020 19:04:10 -0500 (CDT) Original-Received: from host2007.hostmonster.com ([67.20.76.71]) by cmsmtp with SMTP id KWIEjHDeZAGTXKWIEjeSmY; Fri, 03 Apr 2020 19:04:10 -0500 X-Authority-Reason: nr=8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=stephe-leake.org; s=default; h=Content-Type:MIME-Version:Message-ID: In-Reply-To:Date:References:Subject:To:From:Sender:Reply-To:Cc: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=vpAKTUzANKMzuI1iUhDSFUeYrq46tBkvpW5b4kIPu04=; b=bRwb6x/TQLc7OkXH+46fECAjb 2ToDGpHDXL24i817zf7omnZ0EY17rGviKoXWr0ce9iuc6njbeIEJV2COHnwq/yxHABhZ9EE3h+PJl RI6IgH9e8FHca7M/49UHDdprpfEn9BzmxiXRYOf9C7O4D0C5aFylwc64XkwFjo2dkse2xdo+WpuL2 bTLReM831XhdiPGZ3E2bYS40lHhsbRoTQWeUp9NQFYFYxLK+yVzJgVlCkv/FHiJK3yOVhS55exE4n 7ZlTlsGQSMpDIchs/XwrVNaulHQiVxExNyY2hIYMmXM02ybpWDFQRiNbxfdk9ztQ9gIt4M0UpCAyX +SuEGZ6rA==; Original-Received: from [76.77.182.20] (port=64562 helo=Takver4) by host2007.hostmonster.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92) (envelope-from ) id 1jKWIE-000LUt-72 for emacs-devel@gnu.org; Fri, 03 Apr 2020 18:04:10 -0600 In-Reply-To: <83369kwhds.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 03 Apr 2020 21:31:27 +0300") X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - host2007.hostmonster.com X-AntiAbuse: Original Domain - gnu.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - stephe-leake.org X-BWhitelist: no X-Source-IP: 76.77.182.20 X-Source-L: No X-Exim-ID: 1jKWIE-000LUt-72 X-Source-Sender: (Takver4) [76.77.182.20]:64562 X-Source-Auth: stephen_leake@stephe-leake.org X-Email-Count: 2 X-Source-Cap: c3RlcGhlbGU7c3RlcGhlbGU7aG9zdDIwMDcuaG9zdG1vbnN0ZXIuY29t X-Local-Domain: yes X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 192.185.149.62 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:246366 Archived-At: Eli Zaretskii writes: >> From: Stephen Leake >> >> >> You mention "consing of Lisp objects" above, which says to me that the >> >> text is stored in a more complex structure. >> > >> > I meant the consing that is necessary to make a buffer-substring that >> > will be passed to the parser. >> >> Since are are calling the parser from C (if it is linked into Emacs, or >> in a module), I still don't understand. Does C code have to cons to >> create a string? > > If course. How else do you get a UTF-8 encoded string to pass to the > parser as a copy of buffer text? malloc and memcpy. I guess that's what you mean by "cons"; I was assuming you meant the actual elisp function. -- -- Stephe