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From: Eli Zaretskii <eliz@gnu.org>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: eggert@cs.ucla.edu, emacs-devel@gnu.org, esq@lawlist.com,
	monnier@iro.umontreal.ca, acm@muc.de, dancol@dancol.org
Subject: Re: buffer.c/buffer.h: How to add new buffer-local variables?
Date: Mon, 08 Apr 2019 20:43:20 +0300	[thread overview]
Message-ID: <831s2c8kav.fsf@gnu.org> (raw)
In-Reply-To: <87y34kl7y5.fsf@igel.home> (message from Andreas Schwab on Mon, 08 Apr 2019 19:31:46 +0200)

> From: Andreas Schwab <schwab@linux-m68k.org>
> Cc: emacs-devel@gnu.org, Keith David Bershatsky <esq@lawlist.com>, Paul Eggert <eggert@cs.ucla.edu>, monnier@iro.umontreal.ca, acm@muc.de, dancol@dancol.org
> Date: Mon, 08 Apr 2019 19:31:46 +0200
> 
> On Apr 08 2019, Eli Zaretskii <eliz@gnu.org> wrote:
> 
> > I guess we need to make BUFFER_LISP_SIZE smarter?
> 
> Perhaps adding a dummy member the same size as Lisp_Object, and using
> that as the anchor?

Could be, although this will make the struct larger than it could have
been on some systems.

These complications are why I wonder whether they are worth the
occasional hard-to-debug bug.  How hard would it be to ask to update
the value when a Lisp member is added?



  reply	other threads:[~2019-04-08 17:43 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-08  8:03 buffer.c/buffer.h: How to add new buffer-local variables? Keith David Bershatsky
2019-04-08  9:37 ` Eli Zaretskii
2019-04-08 15:04   ` Eli Zaretskii
2019-04-08 17:31   ` Andreas Schwab
2019-04-08 17:43     ` Eli Zaretskii [this message]
2019-04-08 18:33       ` Stefan Monnier
2019-04-08 20:07         ` Paul Eggert
2019-04-08 22:19           ` Michael Welsh Duggan
2019-04-08 23:06             ` Paul Eggert
2019-04-09  6:13               ` Eli Zaretskii
  -- strict thread matches above, loose matches on Subject: below --
2019-04-09  3:49 Keith David Bershatsky
2019-04-09  0:48 Keith David Bershatsky
2019-04-09  0:40 Keith David Bershatsky
2019-04-08  4:34 Keith David Bershatsky
2019-04-07  2:50 Keith David Bershatsky
2019-04-07 15:48 ` Eli Zaretskii
2019-04-08  5:23 ` Paul Eggert
2019-04-04 18:57 Keith David Bershatsky
2019-04-04 19:29 ` Eli Zaretskii
2019-04-01  7:43 Keith David Bershatsky
2019-03-31 16:32 Keith David Bershatsky
2019-03-31 20:02 ` Stefan Monnier
2019-03-31  9:03 Keith David Bershatsky
2019-03-30 23:19 Keith David Bershatsky
2019-03-31  2:37 ` Eli Zaretskii
2019-03-31  3:49   ` Eli Zaretskii
2019-03-31  9:42 ` Andreas Schwab
2019-03-31 10:06   ` Eli Zaretskii
2019-03-31 11:41     ` Andreas Schwab
2019-03-31 15:10       ` Eli Zaretskii
2019-04-02 16:18       ` Eli Zaretskii
2019-04-02 18:46         ` Daniel Colascione
2019-04-03 17:43           ` Eli Zaretskii
2019-03-31 12:22 ` Alan Mackenzie

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