From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#60352: 30.0.50; Keep getting "Error in syntax_table logic for to-the-end intervals" Date: Tue, 27 Dec 2022 10:13:21 -0500 Message-ID: References: <87v8lx2nff.fsf@localhost> <83tu1h10qu.fsf@gnu.org> Reply-To: Stefan Monnier Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1505"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Ihor Radchenko , 60352@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Dec 27 16:14:21 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1pABen-0000BY-H2 for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 27 Dec 2022 16:14:21 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pABeW-0007EM-Do; Tue, 27 Dec 2022 10:14:04 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pABeU-0007Dl-Ep for bug-gnu-emacs@gnu.org; Tue, 27 Dec 2022 10:14:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pABeU-0000VR-3T for bug-gnu-emacs@gnu.org; Tue, 27 Dec 2022 10:14:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pABeT-0004EN-Nf for bug-gnu-emacs@gnu.org; Tue, 27 Dec 2022 10:14:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 27 Dec 2022 15:14:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 60352 X-GNU-PR-Package: emacs Original-Received: via spool by 60352-submit@debbugs.gnu.org id=B60352.167215401216214 (code B ref 60352); Tue, 27 Dec 2022 15:14:01 +0000 Original-Received: (at 60352) by debbugs.gnu.org; 27 Dec 2022 15:13:32 +0000 Original-Received: from localhost ([127.0.0.1]:56303 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pABdz-0004DS-VL for submit@debbugs.gnu.org; Tue, 27 Dec 2022 10:13:32 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:12743) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pABdx-0004DB-Sf for 60352@debbugs.gnu.org; Tue, 27 Dec 2022 10:13:30 -0500 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 272641000DA; Tue, 27 Dec 2022 10:13:24 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 9A27610002F; Tue, 27 Dec 2022 10:13:22 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1672154002; bh=5QPJcBfgpn/+fkYJt5i54eiInM8RbCItRQzDdJqH/W8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=V/1q8yILd9kkPYqd0foX11WbGqkOtbeTYw/sIUyBqsnqJlD0ksAsRCbO9MLQhUelQ 6dj1o3DwFZ+UIcAMhUF1+l74xo6rjYrYXo3XJaTpsXQOAwyNjKQhNEIPv56Ci59Z0w S7ZPuxIX3v3NmLzhpAHBAhLz5GJ9086bDn2hXbKkcOtkW5xN0U88jTjReGB8cAm1Lc hb1KMUGjuTMLr/M071/c9c/wXYYV99oyFwV8QTZyNYSrLpmwCS1vHSnQdcDZRWW/Zn syDVrCSUXe2Y1beLf+BBxH8JpPWth6ALlg8aYbRdhR5846em9OIygzlvGYNWi/6duM kt15M6KIv54mA== Original-Received: from pastel (unknown [45.72.200.228]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 71B191208AD; Tue, 27 Dec 2022 10:13:22 -0500 (EST) In-Reply-To: <83tu1h10qu.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 27 Dec 2022 14:37:13 +0200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:251956 Archived-At: >> Debugger entered--Lisp error: (error "Error in syntax_table logic for to-the-end intervals") >> (re-search-forward "\\(?:\\(?:\\> >> It only happens in Emacs 30 (master) and is not regular. >> >> The error sounds like some kind of internal error. It is, indeed. >> Does it signify some Emacs issue? Or may it be third-party code issue? No, it's a bug in the C code somewhere. Presumably somewhere between the `regexp-emacs.c` code and the `syntax.c` code. The regexp code keeps a global state in `gl_state` to speed up looks up of the `syntax-table` text-property. The above error indicates that this global state is inconsistent for some reason. Maybe we somehow ran a regexp search during the regexp search? I know this can happen via the automatic calls to `syntax-propertize`, but `syntax.c:parse_sexp_propertize` is careful to (re)call `SETUP_SYNTAX_TABLE` after running ELisp code, so that shouldn't be the source of the problem. Maybe there's some other way to re-enter regexp search and that one isn't careful to call `SETUP_SYNTAX_TABLE` before returning to the outer regexp search? Stefan