GNU bug report logs - #65344
28.2; Unable to Edebug cl-flet form which uses argument destructuring

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Message #166 received at 65344 <at> debbugs.gnu.org (full text, mbox):

From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: brandon.irizarry <at> gmail.com,
 Mattias Engdegård <mattias.engdegard <at> gmail.com>,
 Michael Albinus <michael.albinus <at> gmx.de>, 65344 <at> debbugs.gnu.org
Subject: Re: bug#65344: 28.2; Unable to Edebug cl-flet form which uses
 argument destructuring
Date: Sun, 27 Aug 2023 08:34:23 +0200

Michael Heerdegen <michael_heerdegen <at> web.de> writes:

> Gerd Möllmann <gerd.moellmann <at> gmail.com> writes:
>
>> Maybe you could give it a spin?  I don't think I will.
>
> I did now.  I can take control using &interpose using [] as its spec so
> that nothing is consumed when the specified function is called.  But
> then it gets very complicated.
>
> This approach would only work if we catch the 'no-match tag thrown by
> `edebug-no-match', and also catch the 'invalid-read-syntax' signal,
> (there are several different types of failure involved, this makes it
> much more troublesome).
>
> This can all be done, but it breaks the control flow of the Edebug
> parser.  The Edebug 'cursor' (current parsing position AFAIU - there can
> be multiple cursors in use) is implicit, so I don't know and can't
> control where to continue in the 'no-match case.  I gave up at this
> point because it was obvious that we will not want to do this.

Ok.  Thanks for trying it out. 

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