GNU bug report logs - #52922
27.2.50; gud-gdb should use "server complete"

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

From: Tom Tromey <tom <at> tromey.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.2.50; gud-gdb should use "server complete"
Date: Fri, 31 Dec 2021 14:41:16 -0700

gud-gdb sends a "complete" command to gdb to implement command line
completion.  It would be better to send "server complete".  This is what
Emacs does for other behind-the-scenes commands it sends.

First, this would prevent the "complete" command from showing up in
gdb's history (not normally visible in Emacs but some people arrange to
have it auto-saved by gdb).  

Second, I'd like to change how "complete" is implemented in gdb, for
some internal reasons.  With this future code, the "server" command will
also help prevent unwanted pagination by gdb's output stream.

Here's a patch.  Normally I'd install it, but I haven't been very active
in Emacs lately.

diff --git a/lisp/progmodes/gud.el b/lisp/progmodes/gud.el
index d5bd265517..113da24749 100644
--- a/lisp/progmodes/gud.el
+++ b/lisp/progmodes/gud.el
@@ -869,7 +869,8 @@ gud-gdb-completions
 COMMAND is the prefix for which we seek completion.
 CONTEXT is the text before COMMAND on the line."
   (let* ((complete-list
-	  (gud-gdb-run-command-fetch-lines (concat "complete " context command)
+	  (gud-gdb-run-command-fetch-lines (concat "server complete "
+                                                   context command)
 					   (current-buffer)
 					   ;; From string-match above.
 					   (length context))))





In GNU Emacs 27.2.50 (build 1, x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2021-04-08 built on localhost.localdomain
Repository revision: 2f5f30671a122aeed0a78dbee8f541dda5a6d4c2
Repository branch: emacs-27
Windowing system distributor 'The X.Org Foundation', version 11.0.12101002
System Description: Fedora 34 (Workstation Edition)

Recent messages:
Saving file /home/tromey/gdb/binutils-gdb/.git/rebase-merge/git-rebase-todo...
Wrote /home/tromey/gdb/binutils-gdb/.git/rebase-merge/git-rebase-todo
When done with a buffer, type C-x #
Auto-saving...done
Save file /home/tromey/gdb/binutils-gdb/.git/COMMIT_EDITMSG? (y, n, !, ., q, C-r, C-f, d or C-h) 
Save file /home/tromey/gdb/binutils-gdb/.git/COMMIT_EDITMSG? (y, n, !, ., q, C-r, C-f, d or C-h) y
Saving file /home/tromey/gdb/binutils-gdb/.git/COMMIT_EDITMSG...
Delete excess backup versions of /home/tromey/gdb/binutils-gdb/.git/COMMIT_EDITMSG? (y or n) y
Wrote /home/tromey/gdb/binutils-gdb/.git/COMMIT_EDITMSG
C-x C-g is undefined

Configured using:
 'configure --prefix=/home/tromey/Emacs/install'

Configured features:
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INOTIFY LIBSELINUX GNUTLS LIBXML2 FREETYPE HARFBUZZ LIBOTF XFT ZLIB
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Important settings:
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Major mode: Git-Log-View

Minor modes in effect:
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Load-path shadows:
/home/tromey/.emacs.d/elpa/bubbles-0.5/bubbles hides /home/tromey/Emacs/install/share/emacs/27.2.50/lisp/play/bubbles

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Memory information:
((conses 16 450482 34933)
 (symbols 48 35785 2)
 (strings 32 131183 6643)
 (string-bytes 1 4402636)
 (vectors 16 54088)
 (vector-slots 8 1008411 142466)
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Message #8 received at 52922 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Tom Tromey <tom <at> tromey.com>
Cc: 52922 <at> debbugs.gnu.org
Subject: Re: bug#52922: 27.2.50; gud-gdb should use "server complete"
Date: Sat, 15 Jan 2022 10:30:38 +0100

Tom Tromey <tom <at> tromey.com> writes:

> Here's a patch.  Normally I'd install it, but I haven't been very active
> in Emacs lately.

Thanks; applied to Emacs 29.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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