From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Ludovic Brenta Newsgroups: gmane.emacs.bugs Subject: bug#37620: 26.1; ada-mode 6.2.1 partial parsing occasionally hangs while moving point Date: Tue, 19 Nov 2019 15:52:33 +0100 Message-ID: <309cbcef219aeba8d0383a37b1c1f211@ludovic-brenta.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="67113"; mail-complaints-to="usenet@blaine.gmane.org" To: 37620@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Nov 19 15:53:11 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iX4sR-000HLy-82 for geb-bug-gnu-emacs@m.gmane.org; Tue, 19 Nov 2019 15:53:11 +0100 Original-Received: from localhost ([::1]:46292 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iX4sQ-00075q-22 for geb-bug-gnu-emacs@m.gmane.org; Tue, 19 Nov 2019 09:53:10 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47159) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iX4sK-00074w-0G for bug-gnu-emacs@gnu.org; Tue, 19 Nov 2019 09:53:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iX4sJ-0008Q1-21 for bug-gnu-emacs@gnu.org; Tue, 19 Nov 2019 09:53:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:38026) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iX4sI-0008Pw-Rc for bug-gnu-emacs@gnu.org; Tue, 19 Nov 2019 09:53:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iX4sH-000614-Qm; Tue, 19 Nov 2019 09:53:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Ludovic Brenta Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, stephen_leake@stephe-leake.org Resent-Date: Tue, 19 Nov 2019 14:53:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 37620 X-GNU-PR-Package: emacs, ada-mode Original-Received: via spool by 37620-submit@debbugs.gnu.org id=B37620.157417516023097 (code B ref 37620); Tue, 19 Nov 2019 14:53:01 +0000 Original-Received: (at 37620) by debbugs.gnu.org; 19 Nov 2019 14:52:40 +0000 Original-Received: from localhost ([127.0.0.1]:46847 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iX4rw-00060S-6P for submit@debbugs.gnu.org; Tue, 19 Nov 2019 09:52:40 -0500 Original-Received: from webmail.bookmyname.com ([88.191.249.153]:52954 helo=webmail.free.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iX4rr-00060G-2I for 37620@debbugs.gnu.org; Tue, 19 Nov 2019 09:52:38 -0500 Original-Received: from 153.98.68.208 (unknown [127.0.1.3]) by webmail.free.org (Postfix) with ESMTP id 55D7B38EC4 for <37620@debbugs.gnu.org>; Tue, 19 Nov 2019 15:52:33 +0100 (CET) Original-Received: from [153.98.68.208] by webmail.ludovic-brenta.org with HTTP (HTTP/1.1 POST); Tue, 19 Nov 2019 15:52:33 +0100 In-Reply-To: X-Sender: ludovic@ludovic-brenta.org Original-X-Complaints-To: abuse_at_bookmyname.com X-Abuse-Info: Please be sure to forward a copy of ALL headers X-Origin-Web-Site: webmail.ludovic-brenta.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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" Xref: news.gmane.org gmane.emacs.bugs:171977 Archived-At: No, the machine is not particularly loaded. I believe the most likely cause is "the code has a syntax error that is particularly hard to correct"; but this is only because of partial parsing as the entire file is syntactically correct. I'll send you the next source file where this happens; maybe you can reproduce. Increasing wisi-process-time-out to more than 5 seconds does not seem like a solution to me; parsing the entire buffer (resulting in no syntax errors, no attempted recovery and no time-out) takes less than that. Also, since we are only moving point in an unmodified buffer, interactive use requires 0.1 s response time or less. Therefore, perhaps a solution would be to /decrease/ wisi-process-time-out and automatically launch a full parse whenever it happens; as long as the buffer remains unmodified, no re-parsing will take place. -- Ludovic Brenta.