From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Richard Stallman <rms@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: Prickliness of the "invalid byte code" stuff
Date: Mon, 17 Jun 2019 14:10:58 -0400 [thread overview]
Message-ID: <jwva7egaxxa.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <E1hcu7L-0001BL-SF@fencepost.gnu.org> (Richard Stallman's message of "Mon, 17 Jun 2019 12:04:23 -0400")
> > > session. My thought was that if we could detect this specific case,
> > > then we could as well have emacs load that file, rather than having the
> > > user reload it by hand.
>
> > Yes, that usually works, but unless we reorganize the current code, we
> > end up having to solve a slightly different problem similar to:
>
> > (setq sm-foo (indirect-function '<pkg>-<fun>))
> > (load "<pkg>")
> > (funcall sm-foo <args>)
>
> That is true -- but since indirect-function is called in only around
> 40 places, problems of this kind will be far less frequent than the
> problems we have now.
No, the problem we have now is exactly this one, because at the place where
we try to fetch the bytecode, all we have is a byte-code-function-p
object (i.e. what indirect-function returned above). In many cases,
this object was found in the symbol-function cell of a symbol, but we
don't even currently try and propagate this symbol to the fetch-bytecode
function, so while in theory it's stashed somewhere up in the stack we
don't currently have any way to recover it.
In any case, I think deprecating byte-compile-dynamic is a better
solution than trying to fix its many shortcomings, since I don't know of
any concrete evidence that it has any real benefit.
Stefan
next prev parent reply other threads:[~2019-06-17 18:10 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-15 12:36 Prickliness of the "invalid byte code" stuff Lars Ingebrigtsen
2019-06-15 14:30 ` Andreas Schwab
2019-06-16 2:40 ` Richard Stallman
2019-06-16 12:41 ` Lars Ingebrigtsen
2019-06-16 13:27 ` Stefan Monnier
2019-06-16 17:47 ` T.V Raman
2019-06-16 22:01 ` Stefan Monnier
2019-06-17 2:39 ` T.V Raman
2019-06-17 13:32 ` Stefan Monnier
2019-06-17 16:04 ` Richard Stallman
2019-06-17 18:10 ` Stefan Monnier [this message]
2019-06-17 22:52 ` Paul Eggert
2019-06-17 22:53 ` Stefan Monnier
2019-06-18 0:14 ` T.V Raman
2019-06-18 12:14 ` Stefan Monnier
2019-06-18 13:51 ` T.V Raman
2019-06-18 14:15 ` T.V Raman
2019-06-18 16:31 ` Eli Zaretskii
2019-06-18 18:11 ` Stefan Monnier
2019-06-18 18:23 ` T.V Raman
2019-06-18 18:52 ` Eli Zaretskii
2019-06-18 19:54 ` T.V Raman
2019-06-19 2:36 ` Eli Zaretskii
2019-06-19 13:54 ` T.V Raman
2019-06-19 15:36 ` Eli Zaretskii
2019-06-18 18:44 ` Eli Zaretskii
2019-06-18 19:48 ` Stefan Monnier
2019-06-18 19:52 ` Stefan Monnier
2019-06-19 16:08 ` Eli Zaretskii
2019-06-19 16:25 ` Stefan Monnier
2019-06-19 17:04 ` Eli Zaretskii
2019-06-19 19:02 ` Stefan Monnier
2019-06-19 21:35 ` T.V Raman
2019-06-21 7:52 ` Eli Zaretskii
2019-06-21 14:10 ` T.V Raman
2019-06-21 14:15 ` Eli Zaretskii
2019-06-21 14:34 ` Stefan Monnier
2019-06-21 15:04 ` Eli Zaretskii
2019-06-18 3:09 ` Richard Stallman
2019-06-17 16:01 ` Richard Stallman
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