Re: Edebug: avoid messages on 'f' command

[Paul Pogonyshev]

Yes, it works fine for me. Thank you.

Paul

On 5 May 2016 at 15:10, Alan Mackenzie <address@hidden> wrote:
> Hello, Paul.
>
> On Tue, May 03, 2016 at 08:58:52PM +0200, Paul Pogonyshev wrote:
>> In Edebug 'f' is bound to 'edebug-forward-sexp'. It can be seen as
>> "faster" space key, allowing you to step through function a whole sexp
>> at a time. However, there is an annoyance to it: each time I hit it,
>> echo area displays "Break" for about a second, which is only then
>> replaced by "Result: ...". By comparison, space displays result
>> immediately.
>
> Yes, this irritates me too.
>
>> Request: improve Edebug to not print such intermediate message(s)
>> during 'f' and similar commands.
>
> Would you please try out the following patch.  It entirely cuts out the
> one second pause on all "break commands" (whatever they might be).
> Hopefully there aren't any unwanted side effects.
>
> Just set the new customisable variable to nil, and off you go!
>
> The patch is based on today's master branch.
>
>
>
> diff --git a/lisp/emacs-lisp/edebug.el b/lisp/emacs-lisp/edebug.el
> index e8484fa..5d2e4e6 100644
> --- a/lisp/emacs-lisp/edebug.el
> +++ b/lisp/emacs-lisp/edebug.el
> @@ -233,6 +233,11 @@ edebug-sit-for-seconds
>    :type 'number
>    :group 'edebug)
>
> +(defcustom edebug-sit-on-break t
> +  "Whether or not to pause for `edebug-sit-for-seconds' on reaching a break"
> +  :type 'boolean
> +  :group 'edebug)
> +
>  ;;; Form spec utilities.
>
>  (defun get-edebug-spec (symbol)
> @@ -2489,6 +2494,7 @@ edebug--display-1
>                  (progn
>                    ;; Display result of previous evaluation.
>                    (if (and edebug-break
> +                           edebug-sit-on-break
>                             (not (eq edebug-execution-mode 'Continue-fast)))
>                        (sit-for edebug-sit-for-seconds)) ; Show message.
>                    (edebug-previous-result)))
>
>
>> Paul
>
> --
> Alan Mackenzie (Nuremberg, Germany).