GNU bug report logs - #52147
Eager macro-expansion is not performed in `eval-and-compile' functions

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Message #14 received at 52147 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Paul Pogonyshev <pogonyshev <at> gmail.com>
Cc: Michael Heerdegen <michael_heerdegen <at> web.de>, 52147 <at> debbugs.gnu.org
Subject: Re: bug#52147: Eager macro-expansion is not performed in
 `eval-and-compile' functions
Date: Mon, 29 Nov 2021 16:44:51 +0100

Paul Pogonyshev <pogonyshev <at> gmail.com> writes:

 > Is the issue you want to draw attention to that an interpreted
 > `eval-and-compile' form doesn't macroexpand its body?

> That's what the subject says.

Well, not exactly -- it doesn't say anything about the code being
interpreted.

> I know that it works regardless, but the
> performance suffers, especially if the used macros are complex.

We usually don't stress a lot about the performance of interpreted
(i.e., uncompiled) code.  Does this have a performance impact on
byte-compiled code?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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