Received: (at 56739) by debbugs.gnu.org; 5 Sep 2022 19:14:49 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Sep 05 15:14:48 2022 Received: from localhost ([127.0.0.1]:48904 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oVHYW-0001dx-Jj for submit <at> debbugs.gnu.org; Mon, 05 Sep 2022 15:14:48 -0400 Received: from quimby.gnus.org ([95.216.78.240]:43182) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <larsi@HIDDEN>) id 1oVHYU-0001dl-N5 for 56739 <at> debbugs.gnu.org; Mon, 05 Sep 2022 15:14:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:Date:References: In-Reply-To:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=lzFicOJAb2gZs0TfCGflOFX8YlrRLyPxqjVpimtmBl4=; b=sKMkttD7Enu9pBVbminhJCAy8y pBupyXIaJGYdWfQ1qmg74VqF4JXmGsgGuv5oRVWvNpR/oalsMm1Q+YaNN92Uxs85ic1+qifIb1Dwp 0tDzwxAPG98lgr3P4RJwW5nydRux/tQtX8urzsXAyN4VFyvEJncjtsi/olT/bTNPh4SU=; Received: from [84.212.220.105] (helo=joga) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <larsi@HIDDEN>) id 1oVHYL-0004Z5-Bj; Mon, 05 Sep 2022 21:14:39 +0200 From: Lars Ingebrigtsen <larsi@HIDDEN> To: Michael Heerdegen <michael_heerdegen@HIDDEN> Subject: Re: bug#56739: 29.0.50; `cl-psetq' and `cl-psetf' fail to recognize symbol macros In-Reply-To: <87y1w6xjmg.fsf@HIDDEN> (Michael Heerdegen's message of "Wed, 03 Aug 2022 02:20:55 +0200") References: <OSZP286MB1260387EB0097C4D07840B54DA929@HIDDEN> <8735eeyz7e.fsf@HIDDEN> <87y1w6xjmg.fsf@HIDDEN> X-Now-Playing: The Rolling Stones's _Black and Blue_: "Crazy Mama" Date: Mon, 05 Sep 2022 21:14:35 +0200 Message-ID: <87zgfdzl9g.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Michael Heerdegen <michael_heerdegen@HIDDEN> writes: > I think we can fix this (both cases mentioned) similarly as in cl-letf: > > From 29ea21a751ab6e71b2fb34c781131e31fc7b950d Mon Sep 17 00:00:00 2001 > From: Michael Heerdegen <michael_heerdegen@HIDDEN [...] Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56739 Cc: 56739 <at> debbugs.gnu.org, Wing Hei Chan <whmunkchan@HIDDEN>, Stefan Monnier <monnier@HIDDEN> X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Michael Heerdegen <michael_heerdegen@HIDDEN> writes: > I think we can fix this (both cases mentioned) similarly as in cl-letf: > > From 29ea21a751ab6e71b2fb34c781131e31fc7b950d Mon Sep 17 00:00:00 2001 > From: Michael Heerdegen <michael_heerdegen@HIDDEN> > Date: Wed, 3 Aug 2022 02:06:16 +0200 > Subject: [PATCH] WIP: Fix symbol macros used in cl-psetf (Bug#56739) This was a month ago, but as far as I can tell, this patch was never pushed. Perhaps Stefan has some comments here; added to the CCs.
bug-gnu-emacs@HIDDEN:bug#56739; Package emacs.
Full text available.Stefan Kangas <stefan@HIDDEN>
to control <at> debbugs.gnu.org.
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From: Michael Heerdegen <michael_heerdegen@HIDDEN>
To: Wing Hei Chan <whmunkchan@HIDDEN>
Subject: Re: bug#56739: 29.0.50; `cl-psetq' and `cl-psetf' fail to recognize
symbol macros
In-Reply-To: <8735eeyz7e.fsf@HIDDEN> (Michael Heerdegen's message of "Wed, 03
Aug 2022 01:59:01 +0200")
References: <OSZP286MB1260387EB0097C4D07840B54DA929@HIDDEN>
<8735eeyz7e.fsf@HIDDEN>
Date: Wed, 03 Aug 2022 02:20:55 +0200
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--=-=-=
Content-Type: text/plain
Hello,
I think we can fix this (both cases mentioned) similarly as in cl-letf:
--=-=-=
Content-Type: text/x-diff
Content-Disposition: inline;
filename=0001-WIP-Fix-symbol-macros-used-in-cl-psetf-Bug-56739.patch
Content-Transfer-Encoding: quoted-printable
=46rom 29ea21a751ab6e71b2fb34c781131e31fc7b950d Mon Sep 17 00:00:00 2001
From: Michael Heerdegen <michael_heerdegen@HIDDEN>
Date: Wed, 3 Aug 2022 02:06:16 +0200
Subject: [PATCH] WIP: Fix symbol macros used in cl-psetf (Bug#56739)
=2D--
lisp/emacs-lisp/cl-macs.el | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/lisp/emacs-lisp/cl-macs.el b/lisp/emacs-lisp/cl-macs.el
index 78d19db479..f3051752ba 100644
=2D-- a/lisp/emacs-lisp/cl-macs.el
+++ b/lisp/emacs-lisp/cl-macs.el
@@ -2653,12 +2653,17 @@ cl-psetf
\(fn PLACE VAL PLACE VAL ...)"
(declare (debug setf))
- (let ((p args) (simple t) (vars nil))
+ (let ((p args) (simple t) (vars nil)
+ (smacros (alist-get :cl-symbol-macros macroexpand-all-environment=
)))
(while p
- (if (or (not (symbolp (car p))) (cl--expr-depends-p (nth 1 p) vars)=
)
- (setq simple nil))
- (if (memq (car p) vars)
- (error "Destination duplicated in psetf: %s" (car p)))
+ (when (or (not (symbolp (car p)))
+ (assq (car p) smacros)
+ (and (symbolp (nth 1 p))
+ (assq (nth 1 p) smacros))
+ (cl--expr-depends-p (nth 1 p) vars))
+ (setq simple nil))
+ (when (memq (car p) vars)
+ (error "Destination duplicated in psetf: %s" (car p)))
(push (pop p) vars)
(or p (error "Odd number of arguments to cl-psetf"))
(pop p))
=2D-
2.30.2
--=-=-=
Content-Type: text/plain
But I'm not a fan of symbol macros any more: the concept sounds nice
first, but actually you only save one pair of parens when coding while
they introduce a special case that one always has too keep in mind for
macro expansions: any symbol might not just be a symbol.
I guess this is not the only place where they are not handled correctly.
Michael.
--=-=-=--
bug-gnu-emacs@HIDDEN:bug#56739; Package emacs.
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From: Michael Heerdegen <michael_heerdegen@HIDDEN>
To: Wing Hei Chan <whmunkchan@HIDDEN>
Subject: Re: bug#56739: 29.0.50; `cl-psetq' and `cl-psetf' fail to recognize
symbol macros
In-Reply-To: <OSZP286MB1260387EB0097C4D07840B54DA929@HIDDEN>
(Wing Hei Chan's message of "Sun, 24 Jul 2022 20:12:10 +0800")
References: <OSZP286MB1260387EB0097C4D07840B54DA929@HIDDEN>
Date: Wed, 03 Aug 2022 01:59:01 +0200
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Wing Hei Chan <whmunkchan@HIDDEN> writes:
> The following form produces (2 2) due to the failure of detecting
> dependencies involving symbol macros.
>
> (cl-symbol-macrolet ((c a))
> (let ((a 1) (b 2))
> (cl-psetq a b
> b c)
> (list a b)))
There is a second case that also fails: a symbol macro at a PLACE
position:
(cl-symbol-macrolet ((c a))
(let ((a 1))
(cl-psetf c 2
b a)
(list a b)))
==> (2 2) ;should be (2 1)
Michael.
bug-gnu-emacs@HIDDEN:bug#56739; Package emacs.
Full text available.Received: (at 56739) by debbugs.gnu.org; 2 Aug 2022 02:41:52 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Aug 01 22:41:52 2022 Received: from localhost ([127.0.0.1]:41951 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oIhqx-00086E-Po for submit <at> debbugs.gnu.org; Mon, 01 Aug 2022 22:41:52 -0400 Received: from mout.web.de ([212.227.17.12]:40607) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <michael_heerdegen@HIDDEN>) id 1oIhqv-00085w-B8 for 56739 <at> debbugs.gnu.org; Mon, 01 Aug 2022 22:41:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1659408099; bh=NIFq+sxub0Dr7ojUUOtzlBnvnVsyOHPOvEXgVGCNeBo=; h=X-UI-Sender-Class:From:To:Cc:Subject:In-Reply-To:References:Date; b=B304zySDiWXuUODW5njEgZ9nkU/TGygQE0wMACQaoHfMggoWR+Yjq9h9iF9N7ncRo +dKBvceLfbzPzxKcsS89mHAlIeuUHqv+SHFB4MCkUXkPvFXtrZEhm3wmWPn3/wdsnc PEeRvKxk4s0Con38qxSeGxRNC0ov7kqWp4kgX4ME= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from drachen.dragon ([84.57.248.18]) by smtp.web.de (mrweb105 [213.165.67.124]) with ESMTPSA (Nemesis) id 1MJWoU-1nyy2l0ihk-00K7dq; Tue, 02 Aug 2022 04:41:39 +0200 From: Michael Heerdegen <michael_heerdegen@HIDDEN> To: Wing Hei Chan <whmunkchan@HIDDEN> Subject: Re: bug#56739: 29.0.50; `cl-psetq' and `cl-psetf' fail to recognize symbol macros In-Reply-To: <OSZP286MB1260387EB0097C4D07840B54DA929@HIDDEN> (Wing Hei Chan's message of "Sun, 24 Jul 2022 20:12:10 +0800") References: <OSZP286MB1260387EB0097C4D07840B54DA929@HIDDEN> Date: Tue, 02 Aug 2022 04:41:38 +0200 Message-ID: <87zggntli5.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V03:K1:HJhvizpdkYXm6bMWvqUhmiWh5zxWaYL5VYKngzT4nclLsgIKt/W EOLeF+H6Q147pLHHJcHHJTaSIiBrMb0+6fGjzjeqYInxeMDjROZbnN82iEetXM3xRRiuCyT /xFXAip7WcNWvvwSx5rGJ70FpTRnJwivaZUppIc9vPdtp9VtD9pDkfc3Vt62kRb8AfrAgMx nCws5MPFA93QCgyPDPWEg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:OVUACjW9MjA=:ICc1zWxh9CfAud733Ss+sw M+3xiaTsvj5O1UyuvNku5CBVCi+jcWC/UNQVZ30y94fU9bqH68+Re5dcW2KI2zPBLkiqTvfAL OMbUDWezqeX2vJX2XdV/vnXrzTaCH8gGGweKsJh0EeEM/NLB5CCCdeQbRzgKeD/+dpZz4DwzA sWTxO7K0XnKpjhtkf+Bimq0auhv5tTDwYUjwvY0kwbfWW8/mPsa/zOLJYpc5poWShF769Eo0D crDXfxFskIFVH9DDIDlwLn9UAdkob3VFGgx9KBmMzp6Pngehhh0RCOhYkLI78FserqiBpooOb +GzhfncqHWLZpGQfR3Ea0KMLrds32pyXax3M3pgojsTy0rG/xdA//1KpMuCVyboONJpnn0uph gQYlHL6oNg5xvJlJcRUDlDkGEnrz70VkkzOYyS7bgzXFqQe9dyZX7SjiWVtgvszhrjQyF+39A ZJxppGK3A1lvgFghK+BduuaWu1x14Lurxw89jZSz7R3b7DHKJDNDm+T0XmBHp0POdBWn+FZ6l x3g1rFBA3BATFODsV3MX1u1Czk2XGb/FwcyT5yUL417xVQjYLBsYFjydp++IpURDz7B3VpIOA 5OjyrzfABNKuSBtkOLqPWCY4MdKdZFNL2aPKt8efR7fjL27iw5n50AMZw2ppGlwUJBxvy8QQI 0wxEU5TM6BivDQXyhrsn/k8lFgOvu0yiTrZPDZPkXLsYN3SbbyP+nWCXTv//GwelK69D1q2vp 7eguETnUkq6WjN23Rwl+lPYb+d2BZX6Ug3ohrlhYgK7sIy3eL4qpIy6OpNND9J4pyrKr71Ei/ 0pS7sFKdTNnk2Kels1cLa8OPcxa5OGtsGU4mDXfDl4WDuQZX+IRaxTwZSu67gYLAM9Wd2UdU5 AVomKojhbM8pscmGUPcpHNRVRhW0LX4Wxt0BwEEAITihQXORbtZ4r9BMJiXF7ZVM6L2v4Xude +MpKpu5HUIKA/I+vFNsr4+EWigclaLpbJBE6QEnmT4CPmGA5tB6r/mnlB6dEvt54llQHnT9a/ K8NCeAmzOrFUzwV3+YpVOCtljrk++u96Icak8gnKk88Iy2uPLe9oDTozyLXa5zslKXCdIizRf LHmrThfAvnpTTxFHxaOhPo/EnWNjzUTP3qV1F95lYXSmVdvJx41bLLPkA== X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 56739 Cc: 56739 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Wing Hei Chan <whmunkchan@HIDDEN> writes: > The following form produces (2 2) due to the failure of detecting > dependencies involving symbol macros. > > (cl-symbol-macrolet ((c a)) > (let ((a 1) (b 2)) > (cl-psetq a b > b c) > (list a b))) Dunno how a good fix would look like - but it is easy to follow why this error happens: `cl-psetf' analyses the expressions (each second argument) for whether they are "simple" (independent of the variables): (if (or (not (symbolp (car p))) (cl--expr-depends-p (nth 1 p) vars)) (setq simple nil)) but the symbol macro is not yet expanded when this is done, and the expression `c` passes the test - which is wrong. Maybe that test should just check for symbol macros in addition? Michael.
bug-gnu-emacs@HIDDEN:bug#56739; Package emacs.
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Content preview: The following form produces (2 2) due to the failure of
detecting
dependencies involving symbol macros. (cl-symbol-macrolet ((c a)) (let ((a
1) (b 2)) (cl-psetq a b b c) (list a b))) It should have behaved the same
as the following form without symbol macros, that is, producing (2 1).
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The following form produces (2 2) due to the failure of detecting
dependencies involving symbol macros.
(cl-symbol-macrolet ((c a))
(let ((a 1) (b 2))
(cl-psetq a b
b c)
(list a b)))
It should have behaved the same as the following form without symbol
macros, that is, producing (2 1).
(let ((a 1) (b 2))
(cl-psetq a b
b a)
(list a b))
Wing Hei Chan <whmunkchan@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#56739; Package emacs.
Full text available.
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.