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From: Eli Zaretskii <eliz@gnu.org>
To: Alan Mackenzie <acm@muc.de>
Cc: emacs-devel@gnu.org
Subject: Re: Making Emacs Lisp easier to debug
Date: Sat, 11 Nov 2023 08:52:12 +0200	[thread overview]
Message-ID: <838r74ye77.fsf@gnu.org> (raw)
In-Reply-To: <ZU6ZFg9N86cPg3N3@ACM> (message from Alan Mackenzie on Fri, 10 Nov 2023 20:56:54 +0000)

> Date: Fri, 10 Nov 2023 20:56:54 +0000
> From: Alan Mackenzie <acm@muc.de>
> 
> (ii) Edebugging font locking code.  It would be nice to be able to debug
> font locking code which is being called from redisplay, as well as other
> hooks which are also called from redisplay.  At the moment this isn't
> possible.  To make it possible would require redisplay to become
> reentrant, so that a frame or window in the inner redisplay call 
> could be where debugging of the outer redisplay call happens.  I don't
> know how practicable it would be to enhance redisplay for this (it is
> certainly possible).  Has anybody ever looked into this before?

Yes, see jit-lock-debug-mode.  (It's described in the ELisp manual.)



  reply	other threads:[~2023-11-11  6:52 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-10 20:56 Making Emacs Lisp easier to debug Alan Mackenzie
2023-11-11  6:52 ` Eli Zaretskii [this message]
2023-11-11  9:01   ` Ihor Radchenko
2023-11-11 11:04   ` Alan Mackenzie
2023-11-11 11:10     ` Eli Zaretskii
2023-11-11 12:10       ` Alan Mackenzie
2023-11-11 13:47         ` Eli Zaretskii
2023-11-11 14:56           ` Alan Mackenzie
2023-11-11 16:01             ` Eli Zaretskii
2023-11-11 17:23               ` Alan Mackenzie
2023-11-11 17:54                 ` Eli Zaretskii
2023-11-11 19:55                   ` Alan Mackenzie
2023-11-12  7:17                     ` Eli Zaretskii
2023-11-12 12:08                       ` Alan Mackenzie
2023-11-12 12:28                         ` Eli Zaretskii
2023-11-13 18:20                       ` XY Problems (tangent, related to common discussion issue here) chad

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