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bug#70436: 30.0.50; Fail to enter the debugger when using prin1 (instead
From: |
Bruno Barbier |
Subject: |
bug#70436: 30.0.50; Fail to enter the debugger when using prin1 (instead of cl-prin1) |
Date: |
Wed, 17 Apr 2024 15:29:14 +0200 |
Hi,
When setting debugger-print-function to prin1, Emacs 30.0.50 may fail
to enter the debugger.
Emacs displays something like:
Entering debugger...
make-text-button: Args out of range: 67, 3000
The correct behavior is to enter the debugger, with something like this:
Debugger entered--Lisp error: (wrong-type-argument stringp nil)
#f(compiled-function (&rest args) "Start a program in a subprocess. ...
...
make-process(:name "mandatory" :command "ls" :stderr err-buf)
The problem doesn't occur with Emacs 29.3.
To manually reproduce, execute the following code block in a new Emacs
(started with '-Q'):
#+begin_src elisp
(progn
(setq debugger-print-function 'prin1)
(defun my-useless-advice (fun &rest args)
(apply fun args))
(advice-add 'make-process :around #'my-useless-advice)
(make-process :name "mandatory"
:command "ls"
:stderr 'err-buf))
#+end_src
It seems that backtrace.el prints using prin1, but infers where the
button should be using cl-prin1.
My personal workaround is to stop setting debugger-print-function to
prin1 (I customized it a few years ago because I found that cl-prin1 was
really slow at the time, I guess it shouldn't be the case anymore).
Best,
Bruno
In GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo
version 1.18.0) of 2024-04-17 built on keynux
Windowing system distributor 'The X.Org Foundation', version 11.0.12101011
System Description: Gentoo Linux
Configured using:
'configure --prefix=/home/bruno/local --with-x-toolkit=lucid
--without-toolkit-scroll-bars --without-tree-sitter
--without-native-compilation --without-modules --without-xwidgets
--without-threads --without-pop --without-mailutils
--without-compress-install --without-hesiod --without-gameuser
--without-lcms2 --without-wide-int --without-kerberos
--without-kerberos5 --with-sound=no --without-ns --without-gsettings
--without-gconf --without-libotf --without-m17n-flt
--with-gif=ifavailable --with-harfbuzz'
Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM HARFBUZZ JPEG LIBXML2
NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SQLITE3 TIFF WEBP X11 XDBE XIM
XINPUT2 XPM LUCID ZLIB
Important settings:
value of $LC_CTYPE: en_US.UTF-8
value of $LANG: C.UTF8
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 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
sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils
warnings icons cl-loaddefs cl-lib 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 dbusbind inotify dynamic-setting
font-render-setting cairo x-toolkit xinput2 x multi-tty move-toolbar
make-network-process emacs)
Memory information:
((conses 16 40047 17385) (symbols 48 5270 0) (strings 32 13441 1036)
(string-bytes 1 323186) (vectors 16 9362)
(vector-slots 8 111771 9938) (floats 8 23 28) (intervals 56 305 0)
(buffers 984 11))
- bug#70136: 30.0.50; comint-mode doesn't call hack-dir-local-variables-non-file-buffer, (continued)
- bug#70136: 30.0.50; comint-mode doesn't call hack-dir-local-variables-non-file-buffer, Eli Zaretskii, 2024/04/14
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Augusto Stoffel, 2024/04/14
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Eli Zaretskii, 2024/04/14
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Augusto Stoffel, 2024/04/15
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Eli Zaretskii, 2024/04/15
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Stefan Monnier, 2024/04/16
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Eli Zaretskii, 2024/04/16
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Stefan Monnier, 2024/04/16
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Augusto Stoffel, 2024/04/17
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Eli Zaretskii, 2024/04/17
- bug#70436: 30.0.50; Fail to enter the debugger when using prin1 (instead of cl-prin1),
Bruno Barbier <=
- bug#70436: 30.0.50; Fail to enter the debugger when using prin1 (instead of cl-prin1), Eli Zaretskii, 2024/04/20
- bug#70436: 30.0.50; Fail to enter the debugger when using prin1 (instead of cl-prin1), Eli Zaretskii, 2024/04/20
- bug#70436: 30.0.50; Fail to enter the debugger when using prin1 (instead of cl-prin1), Stefan Monnier, 2024/04/20
- bug#70436: 30.0.50; Fail to enter the debugger when using prin1 (instead of cl-prin1), Eli Zaretskii, 2024/04/25
- bug#70436: 30.0.50; Fail to enter the debugger when using prin1 (instead of cl-prin1), Bruno Barbier, 2024/04/27
- bug#70436: 30.0.50; Fail to enter the debugger when using prin1 (instead of cl-prin1), Stefan Monnier, 2024/04/27
- bug#70436: 30.0.50; Fail to enter the debugger when using prin1 (instead of cl-prin1), Stefan Monnier, 2024/04/20
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Eli Zaretskii, 2024/04/17
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Stefan Monnier, 2024/04/17
- bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer, Eli Zaretskii, 2024/04/17