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bug#16366: 24.3.50; [PATCH] GDB Registers buffer - wrong values fontifie
From: |
Andrzej P |
Subject: |
bug#16366: 24.3.50; [PATCH] GDB Registers buffer - wrong values fontified |
Date: |
Mon, 06 Jan 2014 00:35:04 +0000 |
When stepping through a program with the GDB graphical interface, the
values in the Registers buffer are fontified with
'font-lock-warning-face' on the step *after* they have changed. It
makes more sense to highlight changed values on each step. I guess
that this is a bug.
To reproduce:
$ emacs -Q
M-x gdb
gdb -i=mi emacs <return> (or something suitable)
M-x gdb-display-registers-buffer
In GUD buffer:
(gdb) break main
(gdb) run
Now step by machine instructions (e.g. 'C-x C-a C-i'). The values of
registers in the Registers buffer change but are fontified only on the
following step.
The reason is that in 'gdb-update', 'gdb-changed-registers' is updated
*after* the buffers are updated. Switching the order of the two
operations as in the following patch solves the problem.
=== modified file 'lisp/progmodes/gdb-mi.el'
--- lisp/progmodes/gdb-mi.el 2014-01-01 07:43:34 +0000
+++ lisp/progmodes/gdb-mi.el 2014-01-05 23:08:27 +0000
@@ -1890,10 +1890,11 @@
;; gdb-break-list is maintained in breakpoints handler
(gdb-get-buffer-create 'gdb-breakpoints-buffer)
+ (gdb-get-changed-registers)
+
(unless no-proc
(gdb-emit-signal gdb-buf-publisher 'update))
- (gdb-get-changed-registers)
(when (and (boundp 'speedbar-frame) (frame-live-p speedbar-frame))
(dolist (var gdb-var-list)
(setcar (nthcdr 5 var) nil))
In GNU Emacs 24.3.50.3 (x86_64-unknown-linux-gnu, GTK+ Version 3.4.2)
of 2014-01-05 on andrzej-laptop
Bzr revision: 115879 tsdh@gnu.org-20140105201713-769mykhrpcny4oja
Windowing system distributor `The X.Org Foundation', version 11.0.11103000
System Description: Trisquel 6.0
Important settings:
value of $LC_MONETARY: en_GB.UTF-8
value of $LC_NUMERIC: en_GB.UTF-8
value of $LC_TIME: en_GB.UTF-8
value of $LANG: en_GB.UTF-8
locale-coding-system: utf-8-unix
Major mode: Lisp Interaction
Minor modes in effect:
tooltip-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
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
M-x r e p o r t SPC e m <tab> <return>
Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Load-path shadows:
None found.
Features:
(shadow sort gnus-util mail-extr emacsbug message format-spec rfc822 mml
easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util help-fns mail-prsvr mail-utils time-date tooltip electric
uniquify ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd tool-bar
dnd fontset image regexp-opt fringe tabulated-list newcomment lisp-mode
prog-mode register page menu-bar rfn-eshadow timer select scroll-bar
mouse 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
minibuffer 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 make-network-process
dbusbind gfilenotify dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)
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