From: "Gerd Möllmann" <gerd.moellmann@gmail.com>
To: Wing Hei Chan <whmunkchan@outlook.com>
Cc: "56739@debbugs.gnu.org" <56739@debbugs.gnu.org>
Subject: bug#56739: 29.0.50; `cl-psetq' and `cl-psetf' fail to recognize symbol macros
Date: Sat, 09 Sep 2023 11:24:43 +0200 [thread overview]
Message-ID: <m2cyyrlmw4.fsf@Pro.fritz.box> (raw)
In-Reply-To: <1068bf85-4fd0-43a1-9aba-71d71312c4f1@outlook.com> (Wing Hei Chan's message of "Sat, 9 Sep 2023 08:03:42 +0000")
Wing Hei Chan <whmunkchan@outlook.com> writes:
> Resending this message as I didn't send it to the thread.
>
> > Afaik, *left-hand* side symbol macros are all handled correctly:
> >
> > - `setq' is handled by `cl-symbol-macrolet' itself;
> > - `setf' expands symbol macros as needed;
> > - `cl-setq' and `cl-setf' expand to `setf'.
> >
> > The original bug is about *right-hand* side symbol macros, namely that
> > `cl-setq' and `cl-setf' can introduce an unsound optimization in such
> > cases. In fact, I'm not sure this optimization is needed anymore (see
> > Stefan's comment). The simplest way to fix the bug is to remove the
> > optimization, but I'll leave the decision to more knowledgeable people.
Then I've possibly misunderstood what this is about, sorry.
next prev parent reply other threads:[~2023-09-09 9:24 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-24 12:12 bug#56739: 29.0.50; `cl-psetq' and `cl-psetf' fail to recognize symbol macros Wing Hei Chan
2022-08-02 2:41 ` Michael Heerdegen
2022-08-02 23:59 ` Michael Heerdegen
2022-08-03 0:20 ` Michael Heerdegen
2022-09-05 19:14 ` Lars Ingebrigtsen
2022-09-06 1:29 ` Michael Heerdegen
2022-09-06 2:22 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-09-07 18:31 ` Stefan Kangas
2023-09-08 3:07 ` Michael Heerdegen
2023-09-09 6:12 ` Michael Heerdegen
2023-09-09 7:08 ` Gerd Möllmann
[not found] ` <f49326d6-85e2-4fed-83ae-815a82cefe30@outlook.com>
2023-09-09 8:03 ` Wing Hei Chan
2023-09-09 9:24 ` Gerd Möllmann [this message]
2023-09-09 15:42 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-09-09 16:33 ` Gerd Möllmann
2022-09-06 2:29 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
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