From: Gregory Heytings <gregory@heytings.org>
To: Richard Stallman <rms@gnu.org>
Cc: 21695@debbugs.gnu.org, hmelman@gmail.com
Subject: bug#21695: 25.0.50; Change most occurrences of `setq' in Emacs manual to `customize-set-variable'? Really?
Date: Thu, 09 Sep 2021 11:44:58 +0000 [thread overview]
Message-ID: <cd485de4cd6147eec19b@heytings.org> (raw)
In-Reply-To: <cd485de4cd7918a4959f@heytings.org>
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>
> Instead of building such a list, is this not something that could be
> done inside Fsetq, by checking whether Fget (sym, Qcustom_set) is
> non-nil, and if so, issue an error/warning?
>
Patch attached.
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From 50d1e07ab098c3c98259f435167cb1cb4bfeb3b5 Mon Sep 17 00:00:00 2001
From: Gregory Heytings <gregory@heytings.org>
Date: Thu, 9 Sep 2021 11:40:50 +0000
Subject: [PATCH] Warn when defcustom is wrongly set.
* src/eval.c (Fsetq): Display warning when a custom variable with a :set
property is set with setq.
---
src/eval.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/src/eval.c b/src/eval.c
index 48104bd0f4..b72577e791 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -525,8 +525,16 @@ DEFUN ("setq", Fsetq, Ssetq, 0, UNEVALLED, 0,
: Qnil);
if (!NILP (lex_binding))
XSETCDR (lex_binding, val); /* SYM is lexically bound. */
- else
+ else {
+ if (!NILP (Fget (sym, intern ("custom-set"))))
+ call2 (intern ("display-warning"),
+ intern ("initialization"),
+ CALLN (Fformat,
+ build_string
+ ("`%s' should be set with `customize-set-variable', not `setq'"),
+ sym));
Fset (sym, val); /* SYM is dynamically bound. */
+ }
}
return val;
--
2.33.0
next prev parent reply other threads:[~2021-09-09 11:44 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-16 21:50 bug#21695: 25.0.50; Change most occurrences of `setq' in Emacs manual to `customize-set-variable' Drew Adams
2015-10-16 23:57 ` Drew Adams
2021-05-26 22:30 ` Lars Ingebrigtsen
2021-08-29 19:05 ` Drew Adams
2021-08-29 22:36 ` Drew Adams
2021-08-29 22:52 ` Drew Adams
2021-08-29 22:58 ` Drew Adams
2021-08-31 3:06 ` bug#21695: 25.0.50; Change most occurrences of `setq' in Emacs manual to `customize-set-variable'? Really? Richard Stallman
2021-08-31 3:43 ` Arthur Miller
2021-08-31 16:15 ` bug#21695: [External] : " Drew Adams
2021-08-31 16:15 ` Drew Adams
2021-09-02 6:53 ` Kevin Vigouroux via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-02 17:08 ` Drew Adams
2021-09-03 9:54 ` bug#21695: 25.0.50; Change most occurrences of `setq' in Emacs manual to `customize-set-variable' Kevin Vigouroux via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-01 3:07 ` bug#21695: 25.0.50; Change most occurrences of `setq' in Emacs manual to `customize-set-variable'? Really? Howard Melman
2021-09-02 3:42 ` Richard Stallman
2021-09-02 6:53 ` Eli Zaretskii
2021-09-02 17:08 ` bug#21695: [External] : " Drew Adams
2021-09-02 17:17 ` Eli Zaretskii
2021-09-05 3:42 ` Richard Stallman
2021-09-05 3:43 ` Richard Stallman
2021-09-06 17:43 ` Eli Zaretskii
2021-09-08 3:23 ` Richard Stallman
2021-09-08 7:03 ` Eli Zaretskii
2021-09-09 3:11 ` Richard Stallman
2021-09-09 6:52 ` Eli Zaretskii
2021-09-09 7:43 ` Gregory Heytings
2021-09-09 11:44 ` Gregory Heytings [this message]
2021-09-09 12:07 ` Lars Ingebrigtsen
2021-09-09 12:12 ` Gregory Heytings
2021-09-09 12:15 ` Lars Ingebrigtsen
2021-09-09 12:40 ` Gregory Heytings
2021-09-09 12:47 ` Lars Ingebrigtsen
2021-09-09 13:04 ` Gregory Heytings
2021-09-09 13:10 ` Lars Ingebrigtsen
2021-09-09 14:27 ` Gregory Heytings
2021-09-10 10:15 ` Lars Ingebrigtsen
2021-09-10 14:26 ` Gregory Heytings
2021-09-12 8:23 ` Gregory Heytings
2021-09-12 8:57 ` Eli Zaretskii
2021-09-12 9:30 ` Gregory Heytings
2021-09-12 9:37 ` Eli Zaretskii
2021-09-12 9:54 ` Gregory Heytings
2021-09-12 10:11 ` Eli Zaretskii
2021-09-12 10:21 ` Eli Zaretskii
2021-09-12 21:26 ` Gregory Heytings
2021-09-12 22:11 ` Gregory Heytings
2021-09-13 7:04 ` Lars Ingebrigtsen
2021-09-13 9:11 ` Gregory Heytings
2021-09-13 9:18 ` Lars Ingebrigtsen
2021-09-13 13:00 ` Gregory Heytings
2021-09-13 13:56 ` Eli Zaretskii
2021-09-13 12:17 ` Eli Zaretskii
2021-09-13 11:31 ` Eli Zaretskii
2021-09-13 8:03 ` martin rudalics
2021-09-13 9:14 ` Gregory Heytings
2021-09-13 12:36 ` martin rudalics
2021-09-13 12:52 ` Gregory Heytings
2021-09-15 9:27 ` martin rudalics
2021-09-15 10:00 ` Gregory Heytings
2021-09-15 20:13 ` Richard Stallman
2021-09-16 6:56 ` martin rudalics
2021-09-18 0:30 ` Richard Stallman
2021-09-18 7:34 ` martin rudalics
2021-09-18 9:20 ` Gregory Heytings
2021-09-13 1:17 ` Richard Stallman
2021-09-10 3:41 ` Richard Stallman
2021-09-10 13:49 ` Gregory Heytings
2021-09-13 1:17 ` Richard Stallman
2021-09-02 17:08 ` bug#21695: [External] : " Drew Adams
2021-09-05 3:42 ` Richard Stallman
2021-09-04 3:38 ` Richard Stallman
2021-09-01 12:48 ` Augusto Stoffel
2021-09-02 3:38 ` Richard Stallman
2021-09-02 6:56 ` Eli Zaretskii
2021-09-02 17:07 ` bug#21695: [External] : " Drew Adams
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