GNU bug report logs - #72561
31.0.50; Scan error in ert--pp-with-indentation-and-newline

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: "J.P." <jp <at> neverwas.me>
To: bug-gnu-emacs <at> gnu.org
Subject: 31.0.50; Scan error in ert--pp-with-indentation-and-newline
Date: Sat, 10 Aug 2024 06:48:11 -0700

[Message part 1 (text/plain, inline)]

Tags: patch

This apparently began after

  2f181d60323bd9e0196775828de633100479f4c2
  Author:     Stefan Monnier <monnier <at> iro.umontreal.ca>
  AuthorDate: Fri Jun 16 13:35:06 2023 -0400
  CommitDate: Sat Jun 17 17:24:38 2023 -0400

  pp.el (pp-fill): New default pp function
  
  1 file changed, 90 insertions(+), 1 deletion(-)
  lisp/emacs-lisp/pp.el | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++-

So I guess it also affects Emacs 30. To reproduce, put this in
test/lisp/emacs-lisp/ert-tests.el:

   (ert-deftest ert--pp-with-indentation-and-newline ()
     (should (equal '((:one "1" :three "3" :two "2")) '((:one "1")))))

Then run something like:

   $ make -C test \
     SELECTOR=ert--pp-with-indentation-and-newline \
     lisp/emacs-lisp/ert-tests.log

   Error: scan-error ("Containing expression ends prematurely" 221 221)
     forward-sexp-default-function(-1)
     forward-sexp(-1)
     calculate-lisp-indent((5 221 238 nil nil nil 4 nil nil (5 27 161 175
     lisp-indent-calc-next(#s(lisp-indent-state :stack (50 16 6 5 nil) :p
     indent-sexp()
     ert--pp-with-indentation-and-newline((ert-test-failed ((should (equa
     #f(compiled-function (event-type &rest event-args) #<bytecode 0x16b6
     #f(compiled-function () #<bytecode -0xb4ce749a56118cd>)()
     ert-run-or-rerun-test(#s(ert--stats :selector ert--pp-with-indentati
   
   Aborted: Ran 1 tests, 0 results as expected, 1 unexpected, -1 skipped
   
No idea if there's a deeper issue at play here, maybe something in
pp.el that a patch like the attached would just be papering over.


In GNU Emacs 31.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
 3.24.43, cairo version 1.18.0) of 2024-08-09 built on localhost
Repository revision: 944e45db53cb173c5eadd4794081c133e8649d67
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12401002
System Description: Fedora Linux 40 (Workstation Edition)

Configured using:
 'configure --enable-check-lisp-object-type --enable-checking=yes,glyphs
 'CFLAGS=-O0 -g3'
 PKG_CONFIG_PATH=:/usr/lib64/pkgconfig:/usr/share/pkgconfig'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP
NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF
TOOLKIT_SCROLL_BARS WEBP X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  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
  minibuffer-regexp-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 compile comint ansi-osc ansi-color ring comp-run
bytecomp byte-compile comp-common rx 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 touch-screen 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 lcms2
dynamic-setting system-font-setting font-render-setting cairo gtk
x-toolkit xinput2 x multi-tty move-toolbar make-network-process
native-compile emacs)

Memory information:
((conses 16 58857 9185) (symbols 48 6741 0) (strings 32 16558 3964)
 (string-bytes 1 477530) (vectors 16 11257)
 (vector-slots 8 135809 8706) (floats 8 21 4) (intervals 56 249 0)
 (buffers 984 11))

[0001-Indent-failed-ERT-should-forms-with-Emacs-Lisp-synta.patch (text/x-patch, attachment)]

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Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.