From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Daimrod Newsgroups: gmane.emacs.bugs Subject: bug#11906: 24.1; completion-at-point failures Date: Sun, 12 May 2013 01:11:48 +0200 Message-ID: <871u9djemj.fsf@tanger.home> References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" X-Trace: ger.gmane.org 1368313793 13034 80.91.229.3 (11 May 2013 23:09:53 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 11 May 2013 23:09:53 +0000 (UTC) Cc: Leo Liu , 11906@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun May 12 01:09:51 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1UbIvG-0005G8-EG for geb-bug-gnu-emacs@m.gmane.org; Sun, 12 May 2013 01:09:50 +0200 Original-Received: from localhost ([::1]:33848 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UbIvF-0003po-SD for geb-bug-gnu-emacs@m.gmane.org; Sat, 11 May 2013 19:09:49 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:54850) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UbIvC-0003pX-4M for bug-gnu-emacs@gnu.org; Sat, 11 May 2013 19:09:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UbIvB-0001J7-5Y for bug-gnu-emacs@gnu.org; Sat, 11 May 2013 19:09:46 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:32840) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UbIvB-0001Iz-1i for bug-gnu-emacs@gnu.org; Sat, 11 May 2013 19:09:45 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1UbIvS-00007t-CT for bug-gnu-emacs@gnu.org; Sat, 11 May 2013 19:10:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Daimrod Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 11 May 2013 23:10:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 11906 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 11906-submit@debbugs.gnu.org id=B11906.1368313770392 (code B ref 11906); Sat, 11 May 2013 23:10:02 +0000 Original-Received: (at 11906) by debbugs.gnu.org; 11 May 2013 23:09:30 +0000 Original-Received: from localhost ([127.0.0.1]:36949 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1UbIuv-00006E-Ny for submit@debbugs.gnu.org; Sat, 11 May 2013 19:09:30 -0400 Original-Received: from mail-wi0-f174.google.com ([209.85.212.174]:34757) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1UbIus-000060-Rf for 11906@debbugs.gnu.org; Sat, 11 May 2013 19:09:28 -0400 Original-Received: by mail-wi0-f174.google.com with SMTP id m6so1737765wiv.13 for <11906@debbugs.gnu.org>; Sat, 11 May 2013 16:09:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version:content-type; bh=lrfpUWk/PK1YOeiOcycYln4qWqJCoCf1Pw3bzd6oxyc=; b=inCV2vjxRrqaG8h+F8TZOAaKO0I0dkC6bAG8H8OyeqjrrW6wUktilOBxsuaxo8wuX1 36PRHr481hwX1kskp0mWUC4i6ZjQZgM1Wy1rDdOWYsvXk3y/Pk/3OjpDsa72WD1TAj/k D8Wvqcq278oZEoJcieBy5Moay9lkGaeSOXXi+SiooYgCs+mmfBCLxdt01j9QBsYxramE 0jX4vOM7A/YaLNp8P+ocZXTLd6KXs5u4vxQP9/okvMUntlULKsFSjVF3YEhR2SKm/WjT bo9qn8ZUtQZ88J3vV6MY/tg0mheTdk8kT+Vn2PLF6lJNf1eRiEH53TOp2nbH0c6jvyS9 Jkgg== X-Received: by 10.180.88.162 with SMTP id bh2mr10923290wib.3.1368313747832; Sat, 11 May 2013 16:09:07 -0700 (PDT) Original-Received: from localhost (ANantes-653-1-136-93.w2-0.abo.wanadoo.fr. [2.0.247.93]) by mx.google.com with ESMTPSA id q20sm7013191wiv.7.2013.05.11.16.09.06 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Sat, 11 May 2013 16:09:07 -0700 (PDT) In-Reply-To: (Stefan Monnier's message of "Fri, 10 May 2013 23:40:39 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:74180 Archived-At: --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Stefan Monnier writes: >>> The difference between 2 and 3 calls shouldn't be sufficiently large to >>> go from "acceptable" to "terrible delay". >> It is a difference between 1 and 3 calls because a user can also run >> octave in terminal and find that how responsive it actually is. > > But the generic completion code can't easily go down to a single call in > the general case. > >> I think if completion-at-point can work well when there is a 2-second >> cost in a completion-at-point function, it can provide an excellent >> experience. > > Obviously it can, via caching. Most completion tables which incur > a significant computation code should use caching, but we can't use > caching unconditionally, because it's hard to come up with a general > conditions under which the cache can be reused or needs to be flushed. > > As mentioned, we could try and provide a generic completion-table cache > so as to make it easier to write completion tables that have > a significant computation cost. Patches welcome. Hello, Maybe I didn't understand what you mean, but AFAIK it's already available. You can compute a list of possible completions only once and then return a completion table (start end COLLECTION) where collection is a function described here (info "(elisp) Programmed Completion"). =2D-=20 Daimrod/Greg --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQIcBAEBAgAGBQJRjtA6AAoJEBNzVHcrZRiUD24QAIRDv0vJ8BoZad3LxuKVy/7x QIHY09TyuMwid+boPGH8iEXVT6ZI9dhbP2XyEakugmGBylrYL/wFl6Bk2Ou4f/Go uhJ3kjHy1A3mdgA/x2Z0trn+MmX8O7HZpFYEP/gYa2lA/bNlOampk4As+if2FOgc YrqWnxO01dbx4f6WZsUDDTYTlNEolBrNv2gcOa4Hv2mBSu8kARa8soRJ+RpY4wnT Ctw5NHm4dOekZHSWANfJ85TX58rWK2r9skdZWXE7lftEdTeRPbH+7/C/XCJEh4fd 1eQ7E3+5JmhDaFnL3RDXvM2nYB0uN7OScn79sXCmWKqAL6KD4mUM2sOWhQTi6OQG 3XHJvb2UFTwwpv7/QafWQE0Sr7ZN0IWUQI+IMy69tVPRjzOOOTLZWX0suHJinE5E lJ2fOLzzj1eN6V8Df5uFm+UfDs9fLTOIZsLQlqCN4YaFXEq8Qk3+gwFMTylj2LVu 0Eo1XktisHrNrEV7kZsHs/YDoWmARc1q/InjHsNV5GFZ9pJiJqpOLAbxXuAAGxTk WGiS5iCxNv9To0vvfJOxFzVCD3/DMvpztnju9uu5G5vK4iPgyjEBPTyz9NHNyA1v IAenBxl4CaiKnPcx+/2KzPisX3gkEDGxBb/vPA/D0kU1DYCPIQSZy6upQztL3kSO JLZXepUyNAN8cODv5eQY =5r8K -----END PGP SIGNATURE----- --=-=-=--