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bug#14847: 24.1; gdb-mi.el does not handle backslashes as quotes
From: |
Eli Zaretskii |
Subject: |
bug#14847: 24.1; gdb-mi.el does not handle backslashes as quotes |
Date: |
Fri, 12 Jul 2013 11:50:33 +0300 |
> From: Sergio Durigan Junior <sergiodj@riseup.net>
> Date: Fri, 12 Jul 2013 00:51:20 -0300
>
> If you start gdb-mi.el (on Emacs 24.1), and try to use backslashes to
> quote/break long lines, it is not handled correctly. For example,
> suppose your program being debugged inside GDB takes 3 arguments. You
> could run it with:
>
> (gdb) file myprogram
> Reading symbols from myprogram...done.
> (gdb) run \
> first_arg \
> second_arg \
> third_arg
>
> GDB should correctly run the binary using the 3 args. However, inside
> Emacs, you receive an error:
>
> Undefined command: "third_arg". Try "help".
>
> This is because gdb-mi.el is not handling the backslashes correctly.
> The error is specifically on the function `gdb_send', and the patch
> inlined in this message fixes this. The patch can also be seen on:
>
> <https://lists.gnu.org/archive/html/emacs-devel/2013-07/msg00423.html>
>
> And there is also a GDB bug related to this issue:
>
> <http://sourceware.org/bugzilla/show_bug.cgi?id=15596>
Your patch doesn't seem to work for me. I tried on GNU/Linux and on
MS-Windows, and in both cases I get the same error. Here's the recipe
I tried (after applying your latest patch and rebuilding Emacs):
emacs -Q
M-x gdb RET
gdb -i=mi ./src/emacs RET
(gdb) break main
(gdb) run \
-Q
When I type RET after "-Q", I get an error:
Undefined MI command: Q
What am I doing wrong?
Thanks.