From: Alan Mackenzie <acm@muc.de>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: acm@muc.de, Eli Zaretskii <eliz@gnu.org>, 67455@debbugs.gnu.org
Subject: bug#67455: (Record source position, etc., in doc strings, and use this in *Help* and backtraces.)
Date: Tue, 19 Mar 2024 16:18:43 +0000 [thread overview]
Message-ID: <Zfm649RngE5CxhtK@ACM> (raw)
In-Reply-To: <jwva5n2nydd.fsf-monnier+emacs@gnu.org>
Hello Stefan.
On Wed, Mar 13, 2024 at 07:52:50 -0400, Stefan Monnier wrote:
> > OK, so it seems like I'll need a new pcase arm in macroexp--expand-all,
> > and this new code will need to handle (function (cons 'lambda ...)), and
> > the like.
> If macroexp--expand-all receives code of the form
> (function (cons 'lambda ...))
> it means it received broken code.
> IOW, such an arm will never do anything useful (the best it can do is
> emit a warning).
> I suspect what you're looking for is yet different.
How about the following (as yet vague) idea?
(i) Amend backquote slightly so that the integer part of the result of
backquote-process gets transmitted to the caller, somehow. This would
let macroexp--expand-all know it's dealing with smething awkward like
`#'(lambda ,@args . ,body).
(ii) On encountering such, m--e-all would insert a call to (new macro)
macroexp--maybe-posify-lamda-form at ME1 time.
(iii) At ME2 time, m--e-all should be able to tell whether or not the
lambda form is "real". In this case the macro would be replaced by a
call to (existing) byte-run--posify-lambda-position. Whether or not this
is done, the SWP lambda would be stripped of its position.
This might work. What do you think?
> Stefan
--
Alan Mackenzie (Nuremberg, Germany)
next prev parent reply other threads:[~2024-03-19 16:18 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-26 14:30 bug#67455: Record source position, etc., in doc strings, and use this in *Help* and backtraces Alan Mackenzie
2023-12-04 17:36 ` Alan Mackenzie
2023-12-04 18:33 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-12-04 21:32 ` Alan Mackenzie
2023-12-04 21:56 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-12-04 22:30 ` Alan Mackenzie
2023-12-04 22:59 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-12-15 18:23 ` Alan Mackenzie
2023-12-15 23:12 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
[not found] ` <handler.67455.B.170100905232659.ack@debbugs.gnu.org>
2024-03-04 15:38 ` bug#67455: (Record source position, etc., in doc strings, and use this in *Help* and backtraces.) Alan Mackenzie
2024-03-09 21:36 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-10 16:02 ` Alan Mackenzie
2024-03-10 17:19 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-10 19:22 ` Alan Mackenzie
2024-03-10 21:03 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-24 11:04 ` Alan Mackenzie
2024-03-25 18:23 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-25 21:03 ` Alan Mackenzie
2024-03-25 22:10 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-26 9:48 ` Alan Mackenzie
2024-03-26 13:40 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-26 16:55 ` Alan Mackenzie
2024-03-26 19:40 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-26 20:21 ` Alan Mackenzie
2024-03-26 20:42 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-27 3:35 ` Alan Mackenzie
2024-03-27 12:23 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-27 22:00 ` Alan Mackenzie
2024-03-26 20:30 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-26 21:13 ` Drew Adams
2024-03-27 10:04 ` Alan Mackenzie
2024-03-27 12:22 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-27 21:43 ` Alan Mackenzie
2024-03-28 16:25 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-28 16:48 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-30 9:10 ` Alan Mackenzie
2024-03-30 9:53 ` Alan Mackenzie
2024-03-31 2:22 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-07 11:35 ` Alan Mackenzie
2024-04-08 2:19 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-08 2:56 ` Alan Mackenzie
2024-04-10 8:53 ` Alan Mackenzie
2024-03-30 11:03 ` Alan Mackenzie
2024-03-31 2:54 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-07 10:57 ` Alan Mackenzie
2024-04-08 3:16 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-08 8:32 ` Alan Mackenzie
2024-04-08 12:00 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-06-02 13:38 ` Alan Mackenzie
2024-06-03 4:52 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-06-05 15:01 ` Alan Mackenzie
2024-03-10 22:27 ` Alan Mackenzie
2024-03-11 0:50 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-13 10:54 ` Alan Mackenzie
2024-03-13 11:52 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-19 16:18 ` Alan Mackenzie [this message]
2024-03-19 20:47 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-19 21:40 ` Alan Mackenzie
2024-03-19 22:32 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-24 11:21 ` Alan Mackenzie
2024-06-01 17:40 ` Alan Mackenzie
2024-06-01 18:01 ` Eli Zaretskii
2024-06-01 18:15 ` Eli Zaretskii
2024-06-01 18:17 ` Alan Mackenzie
2024-06-01 23:14 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
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