* bug#13963: 24.3; eshell: "Text is read-only" and unresponsive eshell to kill-buffer, C-x C-c and C-x C-q
@ 2013-03-14 19:34 joe M
2013-03-15 7:34 ` Thierry Volpiatto
0 siblings, 1 reply; 10+ messages in thread
From: joe M @ 2013-03-14 19:34 UTC (permalink / raw)
To: 13963
Reproducing the bug:
1. Type something right after the '$' in the prompt without a space. For
example, '$pwd' instead of '$ pwd'. That causes the "Text is read-only"
message.
2. Cannot close out of eshell or emacs when that message appears
3. The only way to close out of eshell/emacs is:
<taylanub> joe9: M-: (let ((inhibit-read-only t)) (kill-this-buffer)) in the
eshell buffer.
<taylanub> To recover after the bug triggers, that is, not to solve the bug ..
<jlf> joe9: you can also C-x C-e after forms such as taylanub's if you get
into a situation where M-: doesn't function [14:59]
If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
`bt full' and `xbacktrace'.
For information about debugging Emacs, please read the file
/usr/share/emacs/24.3/etc/DEBUG.
In GNU Emacs 24.3.1 (x86_64-pc-linux-gnu, GTK+ Version 3.4.4)
of 2013-03-11 on master
Windowing system distributor `The X.Org Foundation', version 11.0.11301000
Configured using:
`configure '--prefix=/usr' '--build=x86_64-pc-linux-gnu'
'--host=x86_64-pc-linux-gnu' '--mandir=/usr/share/man'
'--infodir=/usr/share/info' '--datadir=/usr/share' '--sysconfdir=/etc'
'--localstatedir=/var/lib' '--libdir=/usr/lib64'
'--disable-dependency-tracking' '--program-suffix=-emacs-24'
'--program-transform-name=s/emacs-[0-9].*/emacs-24/'
'--infodir=/usr/share/info/emacs-24'
'--enable-locallisppath=/etc/emacs:/usr/share/emacs/site-lisp'
'--with-crt-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.3/../../../../lib64'
'--with-gameuser=games' '--without-compress-info' '--without-hesiod'
'--without-kerberos' '--without-kerberos5' '--with-gpm' '--with-dbus'
'--without-gnutls' '--without-xml2' '--without-selinux'
'--without-wide-int' '--with-sound' '--with-x' '--without-ns'
'--without-gconf' '--without-gsettings' '--without-toolkit-scroll-bars'
'--with-gif' '--with-jpeg' '--with-png' '--with-rsvg' '--with-tiff'
'--with-xpm' '--without-imagemagick' '--with-xft' '--without-libotf'
'--without-m17n-flt' '--with-x-toolkit=gtk3'
'GENTOO_PACKAGE=app-editors/emacs-24.3_rc3'
'build_alias=x86_64-pc-linux-gnu' 'host_alias=x86_64-pc-linux-gnu'
'CFLAGS=-O2 -pipe -O2 -pipe -march=corei7-avx -mno-movbe -mno-aes
-mno-abm -mno-lwp -mno-fma -mno-fma4 -mno-xop -mno-bmi -mno-tbm
-mno-avx -mtune=corei7-avx' 'LDFLAGS=-Wl,-O1 -Wl,--as-needed'
'CPPFLAGS=''
Important settings:
value of $LC_ALL: en_US.UTF-8
value of $LC_COLLATE: en_US.UTF-8
value of $LC_CTYPE: en_US.UTF-8
value of $LC_MESSAGES: en_US.UTF-8
value of $LC_MONETARY: en_US.UTF-8
value of $LC_NUMERIC: en_US.UTF-8
value of $LC_TIME: en_US.UTF-8
value of $LANG: en_US.utf8
locale-coding-system: utf-8-unix
default enable-multibyte-characters: t
Major mode: EShell
Minor modes in effect:
global-hl-line-mode: t
ido-ubiquitous-mode: t
show-paren-mode: t
evil-mode: t
evil-local-mode: t
global-undo-tree-mode: t
undo-tree-mode: t
yas/global-mode: t
mouse-wheel-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
column-number-mode: t
line-number-mode: t
transient-mark-mode: t
auto-fill-mode: 1
Recent input:
: e s h e l l <return> p w d <return> i h i p w d <return>
p w d <return> e x i t <return> <return> M-x r e p
o r t - <return>
Recent messages:
Loading em-basic...done
Loading em-cmpl...done
Loading em-dirs...done
Loading em-glob...done
Loading em-hist...done
Loading em-ls...done
Loading em-prompt...done
Loading em-script...done
Loading em-term...done
Loading em-unix...done
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Features:
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mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils
mailheader sendmail rfc2047 rfc2045 ietf-drums mail-utils em-unix
pcomplete comint ansi-color em-term term disp-table ehelp electric
em-script em-prompt em-ls em-hist em-pred em-glob em-dirs em-cmpl
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esh-proc esh-arg eldoc esh-groups eshell esh-module esh-mode esh-util
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ido-ubiquitous ido paren starter-kit-defuns uniquify evil
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tooltip ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd tool-bar
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jit-lock font-lock syntax facemenu font-core frame cham georgian
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
japanese hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev
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^ permalink raw reply [flat|nested] 10+ messages in thread* bug#13963: 24.3; eshell: "Text is read-only" and unresponsive eshell to kill-buffer, C-x C-c and C-x C-q
2013-03-14 19:34 bug#13963: 24.3; eshell: "Text is read-only" and unresponsive eshell to kill-buffer, C-x C-c and C-x C-q joe M
@ 2013-03-15 7:34 ` Thierry Volpiatto
2013-03-17 12:18 ` Thierry Volpiatto
2013-03-17 14:47 ` Thierry Volpiatto
0 siblings, 2 replies; 10+ messages in thread
From: Thierry Volpiatto @ 2013-03-15 7:34 UTC (permalink / raw)
To: 13963
joe M <joe9mail@gmail.com> writes:
> Reproducing the bug:
>
> 1. Type something right after the '$' in the prompt without a space. For
> example, '$pwd' instead of '$ pwd'. That causes the "Text is read-only"
> message.
> 2. Cannot close out of eshell or emacs when that message appears
> 3. The only way to close out of eshell/emacs is:
> <taylanub> joe9: M-: (let ((inhibit-read-only t)) (kill-this-buffer)) in the
> eshell buffer.
> <taylanub> To recover after the bug triggers, that is, not to solve the bug ..
> <jlf> joe9: you can also C-x C-e after forms such as taylanub's if you get
> into a situation where M-: doesn't function [14:59]
>
>
The problem I think is that the eshell prompt is read-only but this
doesn't forbid user to write in this zone and because the prompt have
also rear-nonsticky property, the new character entered are made
read-only and eshell when it try to delete this characters return "text
read only".
Didn't look deeper where this happen though.
--
Thierry
Get my Gnupg key:
gpg --keyserver pgp.mit.edu --recv-keys 59F29997
^ permalink raw reply [flat|nested] 10+ messages in thread
* bug#13963: 24.3; eshell: "Text is read-only" and unresponsive eshell to kill-buffer, C-x C-c and C-x C-q
2013-03-15 7:34 ` Thierry Volpiatto
@ 2013-03-17 12:18 ` Thierry Volpiatto
2013-03-23 10:05 ` Thierry Volpiatto
2013-03-17 14:47 ` Thierry Volpiatto
1 sibling, 1 reply; 10+ messages in thread
From: Thierry Volpiatto @ 2013-03-17 12:18 UTC (permalink / raw)
To: 13963
Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:
> joe M <joe9mail@gmail.com> writes:
>
>> Reproducing the bug:
>>
>> 1. Type something right after the '$' in the prompt without a space. For
>> example, '$pwd' instead of '$ pwd'. That causes the "Text is read-only"
>> message.
>> 2. Cannot close out of eshell or emacs when that message appears
>> 3. The only way to close out of eshell/emacs is:
>> <taylanub> joe9: M-: (let ((inhibit-read-only t)) (kill-this-buffer)) in the
>> eshell buffer.
>> <taylanub> To recover after the bug triggers, that is, not to solve the bug ..
>> <jlf> joe9: you can also C-x C-e after forms such as taylanub's if you get
>> into a situation where M-: doesn't function [14:59]
>>
>>
>
> The problem I think is that the eshell prompt is read-only but this
> doesn't forbid user to write in this zone and because the prompt have
> also rear-nonsticky property, the new character entered are made
> read-only and eshell when it try to delete this characters return "text
> read only".
> Didn't look deeper where this happen though.
Fix the problem by making the prompt region read-only.
diff --git a/lisp/eshell/em-prompt.el b/lisp/eshell/em-prompt.el
index c1c4d47..ac3649d 100644
--- a/lisp/eshell/em-prompt.el
+++ b/lisp/eshell/em-prompt.el
@@ -119,11 +119,12 @@ arriving, or after."
(set-marker eshell-last-output-end (point))
(let ((prompt (funcall eshell-prompt-function)))
(and eshell-highlight-prompt
- (add-text-properties 0 (length prompt)
- '(read-only t
- face eshell-prompt
- rear-nonsticky (face read-only))
- prompt))
+ (add-text-properties 0
+ ;; Assume `eshell-prompt-function'
+ ;; add a space at end of prompt.
+ (1- (length prompt))
+ '(read-only t face eshell-prompt)
+ prompt))
(eshell-interactive-print prompt)))
(run-hooks 'eshell-after-prompt-hook))
--
Thierry
Get my Gnupg key:
gpg --keyserver pgp.mit.edu --recv-keys 59F29997
^ permalink raw reply related [flat|nested] 10+ messages in thread* bug#13963: 24.3; eshell: "Text is read-only" and unresponsive eshell to kill-buffer, C-x C-c and C-x C-q
2013-03-17 12:18 ` Thierry Volpiatto
@ 2013-03-23 10:05 ` Thierry Volpiatto
2013-03-23 10:23 ` Thierry Volpiatto
0 siblings, 1 reply; 10+ messages in thread
From: Thierry Volpiatto @ 2013-03-23 10:05 UTC (permalink / raw)
To: 13963
Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:
Problem with previous patch i sent is that it allow to delete backward
the space at end of prompt, so what is needed is make the whole prompt
read-only but the last char (the space) and give to this last char
rear-nonsticky read-only property.
This works fine here and fix the bug.
--
Thierry
Get my Gnupg key:
gpg --keyserver pgp.mit.edu --recv-keys 59F29997
^ permalink raw reply [flat|nested] 10+ messages in thread
* bug#13963: 24.3; eshell: "Text is read-only" and unresponsive eshell to kill-buffer, C-x C-c and C-x C-q
2013-03-23 10:05 ` Thierry Volpiatto
@ 2013-03-23 10:23 ` Thierry Volpiatto
0 siblings, 0 replies; 10+ messages in thread
From: Thierry Volpiatto @ 2013-03-23 10:23 UTC (permalink / raw)
To: 13963
Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:
> Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:
>
> Problem with previous patch i sent is that it allow to delete backward
> the space at end of prompt, so what is needed is make the whole prompt
> read-only but the last char (the space) and give to this last char
> rear-nonsticky read-only property.
> This works fine here and fix the bug.
diff --git a/lisp/eshell/em-prompt.el b/lisp/eshell/em-prompt.el
index c1c4d47..db6d74c 100644
--- a/lisp/eshell/em-prompt.el
+++ b/lisp/eshell/em-prompt.el
@@ -117,12 +117,17 @@ arriving, or after."
(run-hooks 'eshell-before-prompt-hook)
(if (not eshell-prompt-function)
(set-marker eshell-last-output-end (point))
- (let ((prompt (funcall eshell-prompt-function)))
+ (let* ((prompt (funcall eshell-prompt-function))
+ (len (length prompt)))
(and eshell-highlight-prompt
- (add-text-properties 0 (length prompt)
+ (add-text-properties 0 (1- len)
+ '(read-only t
+ face eshell-prompt)
+ prompt)
+ (add-text-properties (1- len) len
'(read-only t
face eshell-prompt
- rear-nonsticky (face read-only))
+ rear-nonsticky (face read-only))
prompt))
(eshell-interactive-print prompt)))
(run-hooks 'eshell-after-prompt-hook))
--
Thierry
Get my Gnupg key:
gpg --keyserver pgp.mit.edu --recv-keys 59F29997
^ permalink raw reply related [flat|nested] 10+ messages in thread
* bug#13963: 24.3; eshell: "Text is read-only" and unresponsive eshell to kill-buffer, C-x C-c and C-x C-q
2013-03-15 7:34 ` Thierry Volpiatto
2013-03-17 12:18 ` Thierry Volpiatto
@ 2013-03-17 14:47 ` Thierry Volpiatto
2013-03-23 15:58 ` Stefan Monnier
1 sibling, 1 reply; 10+ messages in thread
From: Thierry Volpiatto @ 2013-03-17 14:47 UTC (permalink / raw)
To: 13963
Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:
> joe M <joe9mail@gmail.com> writes:
>
>> Reproducing the bug:
>>
>> 1. Type something right after the '$' in the prompt without a space. For
>> example, '$pwd' instead of '$ pwd'. That causes the "Text is read-only"
>> message.
>> 2. Cannot close out of eshell or emacs when that message appears
>> 3. The only way to close out of eshell/emacs is:
>> <taylanub> joe9: M-: (let ((inhibit-read-only t)) (kill-this-buffer)) in the
>> eshell buffer.
>> <taylanub> To recover after the bug triggers, that is, not to solve the bug ..
>> <jlf> joe9: you can also C-x C-e after forms such as taylanub's if you get
>> into a situation where M-: doesn't function [14:59]
>>
>>
>
> The problem I think is that the eshell prompt is read-only but this
> doesn't forbid user to write in this zone and because the prompt have
> also rear-nonsticky property, the new character entered are made
> read-only and eshell when it try to delete this characters return "text
> read only".
> Didn't look deeper where this happen though.
I resend, it seems the sended patch never arrive here ?
diff --git a/lisp/eshell/em-prompt.el b/lisp/eshell/em-prompt.el
index c1c4d47..bb6f563 100644
--- a/lisp/eshell/em-prompt.el
+++ b/lisp/eshell/em-prompt.el
@@ -119,11 +119,12 @@ arriving, or after."
(set-marker eshell-last-output-end (point))
(let ((prompt (funcall eshell-prompt-function)))
(and eshell-highlight-prompt
- (add-text-properties 0 (length prompt)
- '(read-only t
- face eshell-prompt
- rear-nonsticky (face read-only))
- prompt))
+ (add-text-properties 0
+ ;; Assume `eshell-prompt-function'
+ ;; add a space at end of prompt.
+ (1- (length prompt))
+ '(read-only t face eshell-prompt)
+ prompt))
(eshell-interactive-print prompt)))
(run-hooks 'eshell-after-prompt-hook))
--
Thierry
Get my Gnupg key:
gpg --keyserver pgp.mit.edu --recv-keys 59F29997
^ permalink raw reply related [flat|nested] 10+ messages in thread* bug#13963: 24.3; eshell: "Text is read-only" and unresponsive eshell to kill-buffer, C-x C-c and C-x C-q
2013-03-17 14:47 ` Thierry Volpiatto
@ 2013-03-23 15:58 ` Stefan Monnier
2013-03-23 16:27 ` Thierry Volpiatto
0 siblings, 1 reply; 10+ messages in thread
From: Stefan Monnier @ 2013-03-23 15:58 UTC (permalink / raw)
To: Thierry Volpiatto; +Cc: 13963
>> The problem I think is that the eshell prompt is read-only but this
>> doesn't forbid user to write in this zone and because the prompt have
>> also rear-nonsticky property, the new character entered are made
>> read-only and eshell when it try to delete this characters return "text
>> read only".
>> Didn't look deeper where this happen though.
The problem is that the last char of the prompt (the space) should be
rear-nonsticky, but if the others are rear-nonsticky and are not
front-sticky, then indeed you can't erase them but you can insert
anything inside them. So I think the better fix is to make the prompt
(including the trailing space) both rear-nonsticky and front-sticky.
Does the patch below fix the problem?
Stefan
=== modified file 'lisp/eshell/em-prompt.el'
--- lisp/eshell/em-prompt.el 2013-01-01 09:11:05 +0000
+++ lisp/eshell/em-prompt.el 2013-03-23 15:57:29 +0000
@@ -122,6 +122,7 @@
(add-text-properties 0 (length prompt)
'(read-only t
face eshell-prompt
+ front-sticky (face read-only)
rear-nonsticky (face read-only))
prompt))
(eshell-interactive-print prompt)))
^ permalink raw reply [flat|nested] 10+ messages in thread* bug#13963: 24.3; eshell: "Text is read-only" and unresponsive eshell to kill-buffer, C-x C-c and C-x C-q
2013-03-23 15:58 ` Stefan Monnier
@ 2013-03-23 16:27 ` Thierry Volpiatto
2013-03-26 0:42 ` Stefan Monnier
0 siblings, 1 reply; 10+ messages in thread
From: Thierry Volpiatto @ 2013-03-23 16:27 UTC (permalink / raw)
To: Stefan Monnier; +Cc: 13963
Stefan Monnier <monnier@iro.umontreal.ca> writes:
>>> The problem I think is that the eshell prompt is read-only but this
>>> doesn't forbid user to write in this zone and because the prompt have
>>> also rear-nonsticky property, the new character entered are made
>>> read-only and eshell when it try to delete this characters return "text
>>> read only".
>>> Didn't look deeper where this happen though.
>
> The problem is that the last char of the prompt (the space) should be
> rear-nonsticky, but if the others are rear-nonsticky and are not
> front-sticky, then indeed you can't erase them but you can insert
> anything inside them. So I think the better fix is to make the prompt
> (including the trailing space) both rear-nonsticky and front-sticky.
>
> Does the patch below fix the problem?
Yes, very good, same behavior than the last patch I sended but much
simpler.
Thanks.
--
Thierry
Get my Gnupg key:
gpg --keyserver pgp.mit.edu --recv-keys 59F29997
^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2013-03-30 2:13 UTC | newest]
Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-03-14 19:34 bug#13963: 24.3; eshell: "Text is read-only" and unresponsive eshell to kill-buffer, C-x C-c and C-x C-q joe M
2013-03-15 7:34 ` Thierry Volpiatto
2013-03-17 12:18 ` Thierry Volpiatto
2013-03-23 10:05 ` Thierry Volpiatto
2013-03-23 10:23 ` Thierry Volpiatto
2013-03-17 14:47 ` Thierry Volpiatto
2013-03-23 15:58 ` Stefan Monnier
2013-03-23 16:27 ` Thierry Volpiatto
2013-03-26 0:42 ` Stefan Monnier
2013-03-30 2:13 ` Glenn Morris
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