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bug#24856: 25.1.50; Emacs stucks when using C-k to kill lines in python-
From: |
Clément Pit--Claudel |
Subject: |
bug#24856: 25.1.50; Emacs stucks when using C-k to kill lines in python-mode if the next line is a beginning of a docstring |
Date: |
Wed, 2 Nov 2016 02:59:29 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 |
Thanks, I can reproduce the bug. Here's a simpler recipe:
emacs -Q test.py --eval '(insert " \"")'
In other words, a mis-indented string on the first line is enough to reproduce
the bug. It seems to be an infinite loop in fontification:
Debugger entered--Lisp error: (quit)
python-info-beginning-of-statement-p()
python-nav--forward-sexp(-1 nil nil)
python-nav-forward-sexp(-1 nil nil)
python-nav-backward-sexp()
python-info-docstring-p((0 nil nil t nil nil 0 nil 5 nil nil))
python-font-lock-syntactic-face-function((0 nil nil t nil nil 0 nil 5 nil
nil))
font-lock-fontify-syntactically-region(1 9 nil)
font-lock-default-fontify-region(1 9 nil)
font-lock-fontify-region(1 9)
#[257 "\211\300\301\"\211\242\306=\203
Clément.
On 2016-11-01 22:39, raynewang (王磊) wrote:
> Please look at the following python snippet:
>
> class Test(object):
> def func(self):
> """
> This is a test.
> """
>
> I was trying to kill lines (C-k) from line 1. Emacs stucked everytime
> after I killed line 2 and was going to kill line 3 (just before the
> docstring delimiters). Most time C-g would not work or just brought
> Emacs back for no more than 1 sec only. When it occurred, the only thing
> I could do was to kill Emacs process.
>
> I tried to disable all of my Emacs configurations, nothing changed.
>
> May it be a problem of built-in python-mode?
>
> Wish you guys could help me. I love your works!
>
> Sincerely
>
> Lei
>
> ======================================================================
>
>
> In GNU Emacs 25.1.50.1 (x86_64-apple-darwin15.6.0, NS appkit-1404.47 Version
> 10.11.6 (Build 15G31))
> of 2016-09-20 built on raynewang-rmbp.local
> Repository revision: 83fbb3a6dd75e01a768cb6b3348b7c947711ee46
> Windowing system distributor 'Apple', version 10.3.1504
> Recent messages:
> For information about GNU Emacs and the GNU system, type C-h C-a.
> <s-backspace> is undefined [2 times]
> funcall-interactively: Wrong type argument: char-or-string-p, nil
>
> Configured using:
> 'configure --disable-dependency-tracking --disable-silent-rules
> --enable-locallisppath=/usr/local/share/emacs/site-lisp
> --infodir=/usr/local/Cellar/emacs/HEAD-83fbb3a/share/info/emacs
> --prefix=/usr/local/Cellar/emacs/HEAD-83fbb3a --without-x --with-xml2
> --without-dbus --without-gnutls --with-rsvg --with-ns
> --disable-ns-self-contained'
>
> Configured features:
> JPEG RSVG NOTIFY ACL LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS
>
> Important settings:
> value of $LANG: en_US.UTF-8
> locale-coding-system: utf-8-unix
>
> Major mode: Fundamental
>
> Minor modes in effect:
> tooltip-mode: t
> global-eldoc-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
> blink-cursor-mode: t
> auto-composition-mode: t
> auto-encryption-mode: t
> auto-compression-mode: t
> buffer-read-only: t
> line-number-mode: t
> transient-mark-mode: t
>
> Load-path shadows:
> None found.
>
> Features:
> (shadow sort mail-extr emacsbug message subr-x puny seq byte-opt gv
> bytecomp byte-compile cl-extra help-mode cconv cl-loaddefs pcase cl-lib
> dired dired-loaddefs format-spec rfc822 mml easymenu mml-sec
> password-cache epa derived epg epg-config gnus-util rmail rmail-loaddefs
> mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils
> mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr
> mail-utils time-date mule-util tooltip eldoc electric uniquify
> ediff-hook vc-hooks lisp-float-type mwheel term/ns-win ns-win
> ucs-normalize term/common-win tool-bar dnd fontset image regexp-opt
> fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register
> page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock
> font-lock syntax facemenu font-core term/tty-colors frame cl-generic
> 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 charscript case-table epa-hook
> jka-cmpr-hook help simple abbrev obarray minibuffer cl-preloaded nadvice
> loaddefs button faces cus-face macroexp files text-properties overlay
> sha1 md5 base64 format env code-pages mule custom widget
> hashtable-print-readable backquote kqueue cocoa ns multi-tty
> make-network-process emacs)
>
> Memory information:
> ((conses 16 206717 18560)
> (symbols 48 20249 0)
> (miscs 40 75 177)
> (strings 32 18166 5363)
> (string-bytes 1 584409)
> (vectors 16 35204)
> (vector-slots 8 670777 6763)
> (floats 8 179 123)
> (intervals 56 206 0)
> (buffers 976 12))
>
>
>
>
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