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Message-ID: <797f3211-068f-4b7f-bb34-f3c9ee12241b@HIDDEN>
Date: Wed, 17 Jan 2024 22:55:41 +0200
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Subject: Re: bug#68546: 29.1.90; end-of-file has incorrect data when signaled
within a load
Content-Language: en-US
To: Spencer Baugh <sbaugh@HIDDEN>, 68546 <at> debbugs.gnu.org
References: <ierle8nye6u.fsf@HIDDEN>
From: Dmitry Gutov <dmitry@HIDDEN>
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On 17/01/2024 21:04, Spencer Baugh wrote:
> As one particular example of the confusing current behavior, a user had
> corrupted their ~/.emacs.d/projects so that reading it failed. Also,
> they had a call to (project-forget-zombie-projects) in their init.el.
> In combination, this meant Emacs startup errored with:
>
> End of file during parsing:/home/user/.emacs.d/init.el
>
> even though there was no syntax error in init.el at all.
Would something like this help with this particular sub-problem?
diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index a6f14a0865c..196a82757b2 100644
--- a/lisp/progmodes/project.el
+++ b/lisp/progmodes/project.el
@@ -1694,7 +1694,9 @@ project--read-project-list
(let ((name (car elem)))
(list (if (file-remote-p name) name
(abbreviate-file-name name)))))
- (read (current-buffer))))))
+ (condition-case nil
+ (read (current-buffer))
+ (end-of-file (warn "Failed to read the projects list
file")))))))
(unless (seq-every-p
(lambda (elt) (stringp (car-safe elt)))
project--list)
bug-gnu-emacs@HIDDEN:bug#68546; Package emacs.
Full text available.Received: (at submit) by debbugs.gnu.org; 17 Jan 2024 19:04:24 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Jan 17 14:04:24 2024 Received: from localhost ([127.0.0.1]:53497 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1rQBD5-0000n9-Ov for submit <at> debbugs.gnu.org; Wed, 17 Jan 2024 14:04:24 -0500 Received: from lists.gnu.org ([2001:470:142::17]:50056) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <sbaugh@HIDDEN>) id 1rQBD3-0000mt-1Y for submit <at> debbugs.gnu.org; Wed, 17 Jan 2024 14:04:21 -0500 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 <sbaugh@HIDDEN>) id 1rQBCw-0001r7-I5 for bug-gnu-emacs@HIDDEN; Wed, 17 Jan 2024 14:04:14 -0500 Received: from mxout5.mail.janestreet.com ([64.215.233.18]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <sbaugh@HIDDEN>) id 1rQBCu-0005jD-Cj for bug-gnu-emacs@HIDDEN; Wed, 17 Jan 2024 14:04:14 -0500 From: Spencer Baugh <sbaugh@HIDDEN> To: bug-gnu-emacs@HIDDEN Subject: 29.1.90; end-of-file has incorrect data when signaled within a load Date: Wed, 17 Jan 2024 14:04:09 -0500 Message-ID: <ierle8nye6u.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=janestreet.com; s=waixah; t=1705518250; bh=WnrGOgSqcpBWzDGKY5Vt3Ews91Kvukc5Bgo1+tjFN9s=; h=From:To:Cc:Subject:Date; b=rKdvkI/7+5r+fUvcCNEjbMem3pj5ie6U//jarlStPlwb0QxvC+rOJEVNHU24/LZAF 6hPR1Qx2dJap8Je7WcKR7rKc0vQ16NoDBNUZbLinQsxSv+mctzDVrQIImrBAoQ8/BO DQi3RQPXKsMQZnjhGly2jQHIOq5cV4CMtQVBYj8mW6PGrsrNM751lAzYpq4iBRobDJ aJ1Pv2CpNEjYQGXpcB4KE0m7ITkg6I9XM+NkhfTTez5b9x4drveoEwWQf6TDPNSAn7 ikwq8LRJBI2aS/NBo6DsK8esLSCgo5qv7QmfvtJDuPj874pHJq9mqoz7IS82ylWrAm 150MqUFmmGBXg== Received-SPF: pass client-ip=64.215.233.18; envelope-from=sbaugh@HIDDEN; helo=mxout5.mail.janestreet.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 0.9 (/) X-Debbugs-Envelope-To: submit Cc: dmitry@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -0.1 (/) The end-of-file error signaled by read has incorrect data if it's signaled during a load, by a read unrelated to that load. 1. Create a file "~/read-empty.el" containing: (read "") 2. (load "~/read-empty.el") 3. Observe the error message: End of file during parsing: /home/sbaugh/read-empty.el This error message suggests that there's a syntax error in read-empty.el, when in fact the syntax error is in something else entirely. This is quite confusing. This happens because end_of_file_error uses load-true-file-name if it's non-nil, even if the actual read call is unrelated. One possible fix: a new variable read-file-name could be introduced, and end_of_file_error could use that instead of load-true-file-name, and load can just bind read-file-name around read. As one particular example of the confusing current behavior, a user had corrupted their ~/.emacs.d/projects so that reading it failed. Also, they had a call to (project-forget-zombie-projects) in their init.el. In combination, this meant Emacs startup errored with: End of file during parsing: /home/user/.emacs.d/init.el even though there was no syntax error in init.el at all. To resolve that, perhaps project--read-project-list could bind read-file-name to project-list-file, so we'd get an error message which properly mentions the project file instead. In GNU Emacs 29.1.90 (build 8, x86_64-pc-linux-gnu, X toolkit, cairo version 1.15.12, Xaw scroll bars) of 2024-01-04 built on igm-qws-u22796a Repository revision: 57fa5a53f74e489702825045832f52730c5d550f Repository branch: emacs-29 Windowing system distributor 'The X.Org Foundation', version 11.0.12011000 System Description: Rocky Linux 8.9 (Green Obsidian) Configured using: 'configure 'CFLAGS=-O0 -g3' --with-gif=ifavailable --with-x-toolkit=lucid' Configured features: CAIRO DBUS FREETYPE GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON LIBSELINUX LIBSYSTEMD LIBXML2 MODULES NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM XINPUT2 XPM LUCID ZLIB Important settings: value of $LANG: en_US.UTF-8 locale-coding-system: utf-8-unix Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t global-eldoc-mode: t eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t line-number-mode: t indent-tabs-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message mailcap yank-media puny dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068 epg-config gnus-util text-property-search time-date subr-x mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils rmc iso-transl tooltip cconv eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic indonesian philippine cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs theme-loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads dbusbind inotify dynamic-setting system-font-setting font-render-setting cairo x-toolkit xinput2 x multi-tty make-network-process emacs) Memory information: ((conses 16 63231 9564) (symbols 48 9475 0) (strings 32 22767 1134) (string-bytes 1 677438) (vectors 16 9316) (vector-slots 8 148900 13842) (floats 8 34 25) (intervals 56 241 0) (buffers 976 10))
Spencer Baugh <sbaugh@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#68546; Package emacs.
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