From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 04 Jun 2018 20:08:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 31715@debbugs.gnu.org X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.152814283228794 (code B ref -1); Mon, 04 Jun 2018 20:08:01 +0000 Received: (at submit) by debbugs.gnu.org; 4 Jun 2018 20:07:12 +0000 Received: from localhost ([127.0.0.1]:33662 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fPvl2-0007UM-55 for submit@debbugs.gnu.org; Mon, 04 Jun 2018 16:07:12 -0400 Received: from eggs.gnu.org ([208.118.235.92]:60684) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fPvl0-0007U8-2Y for submit@debbugs.gnu.org; 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Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="g41CYoQ3EiLOI9q89TdRqHtussPys8tyN" X-Provags-ID: V03:K1:EwSbuEJ+7gkkj22B1PE2LWCemBpGQ9cp9YwSr1R9lTvdsNMOCsU XZLqGHcgy/9EBFZOAcCdu7l+kciK/RDTRXgglojSmX/MUSe8f86EvmiFXUeTVvgPdQaMJKw g1MyFV/dzoihrmRtT1BqZa/dnOMn5OuZVUClk9+XrEan8ydGt7XdgPrmexBC9+v/XKxyZUG B14ZZVzk+L3jD5J+U+5yQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:tlXrR1XyUcU=:oXUciJaaPXBh0kYYq4ksJ0 Xy7hHBLoa0+TO6fbKZcMgocIAq9T0wzOhId0MMSWJeWBXwNSfddFSt4fweM07w7B4DkTumwzq IjE/lXjg+5C+jqVh9EpuEumlSL4EJeo/D+c5xDriu2LcBfFzL5Y9ahahKFEGWAkV3Fq99bhcB gTwe3P8VpqFbk5l7FR+uAYMkDGfX6SsrZsZsiGlyPa94aHttlxVkQ19Z5Rzi3SLsnShKYmZBg Yj8BewjjigSdUrEts9ascA7Lf0f/7jx3cNC1fGtk9i3wy+8bhhtLK57kuAaQojj6SiR1L5kAl o2SKDrnJvz4Mju+TkNTSgKHRh3q78EolQ9Yt4q94wsD6DbSQoGMGJ9Q4Pu3+HgCcQ/J63LbZj GzeDCUG8K/v3SVR6Adr35K5Bl4kzcn3tNzMTAl1Xw4pg+ZJrAU/WH5zrY3x8SKR17g7BieZ+F LjZQDqwId9z+LBShFEM/gQapquFBzUPmQR4DbcpTRW1GAkD9AjElYjB8Lq+dcxd9h7oP0xTnX fvNPveuXTgTE8sfp/dTOriSQDKDo3Vv5FMKIvga5RUq17Gh5DPRPIhgXjGIsYBWhAaJQ1FYDC ulQF88zWc/PQhFXk7yISHlpPz2WAgf1O+McOIPtxqInV7Nkr6Qm9NHy5g3V1AC4QbSvUkMKcG 2q1IFeIyHhoBuJLxGOYYtxOoWmUAzOmPYDayl5r84rNGEBixcEOK+KUYgdA8YVe50B+g= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --g41CYoQ3EiLOI9q89TdRqHtussPys8tyN Content-Type: multipart/mixed; boundary="P0M1ZakTnw3uHWl4Xf9PzX9ktkUiOkb3K"; protected-headers="v1" From: =?UTF-8?Q?Cl=c3=a9ment_Pit-Claudel?= To: bug-gnu-emacs@gnu.org Message-ID: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> Subject: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' --P0M1ZakTnw3uHWl4Xf9PzX9ktkUiOkb3K Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable Hi all, The following works: (let ((x 1)) (cl-incf x nil)) =E2=80=A6 but following raises "setq: Wrong type argument: number-or-mark= er-p, nil": (let ((x 1) (y nil)) (cl-incf x y)) =E2=80=A6 yet the docs say this, which suggests that both should work: (cl-incf PLACE &optional X) Increment PLACE by X (1 by default). The issue comes from the expansion of cl-incf: (defmacro cl-incf (place &optional x) =E2=80=A6 (if (symbolp place) (list 'setq place (if x (list '+ place x) (list '1+ place))) (list 'cl-callf '+ place (or x 1)))) Shouldn't that `if x' check be quoted? Same for the second branch of the= if (shouldn't the `(or x 1)' part be quoted, too?) cl-decf has the same issue. Am I missing something? Cl=C3=A9ment. --P0M1ZakTnw3uHWl4Xf9PzX9ktkUiOkb3K-- --g41CYoQ3EiLOI9q89TdRqHtussPys8tyN Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJbFZvfAAoJEPqg+cTm90wjrR8QAIyPpZ3trAXYlHrPmry0vY/t j0a7yXNmxNrmQIgAdir3rxRGimwQPtSFUq/LklssF0Eg+WKhV9oprct4Pi+Uol00 f0PenLzl2OWCpjxuqUmgwYovOcnZdjQp6fwrqlRnUJSJhLuhC96fwvCuL56//I1S IqDsHYkBmZgmSVN49Qh//MonUnu1IYOhkdskJfFlusdaOFFXs+HJ3fXP7UgnyuS7 MAFPjD5m0RWeHy3jS8CQobQx/uqfZw+lr3krbwxfiIYRuONFX+ph+7+mvKSHyaIv 5q9p7JboXPKCQgpl1ZIhq+akJ8bH5b9IQmCMugVoak9sw+06XHj87ZFywnWL+tHW BFOrOgbtjFB07XPwb5Y/EvHyr3xLcaYKslj0McMI3jPeylD0RqSoMWsoAPRyJ9F5 C2ycFFae/BG65Xyoku1QK8jAegbjFXb2RYER4aFhid4xXGB3XdwMIVGLQEIWANY6 qeBcIQKSyf2pqeG1F+havJycxCOz/1dVyA1RINxRMV59Gk1TJ8f0VHsQUD3pP16T j2JaXuWBfov6alNEdDn44jQDGEVD/NDgtRE0UqXmI9+QPWtD75/00f3hPG1UA+oS nXJw+dqDdSu+tx5QdSjHrpcZNgiwRRLfeUJkdv+3Az89dLcfSftb+7YKQDTwE6Ck GvosG++dN4qZiEW8FCSh =Pc5x -----END PGP SIGNATURE----- --g41CYoQ3EiLOI9q89TdRqHtussPys8tyN-- From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 04 Jun 2018 22:59:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel Cc: 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.152815309111638 (code B ref 31715); Mon, 04 Jun 2018 22:59:02 +0000 Received: (at 31715) by debbugs.gnu.org; 4 Jun 2018 22:58:11 +0000 Received: from localhost ([127.0.0.1]:33706 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fPyQV-00031e-6r for submit@debbugs.gnu.org; Mon, 04 Jun 2018 18:58:11 -0400 Received: from mail-io0-f170.google.com ([209.85.223.170]:37601) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fPyQT-00031Q-QL for 31715@debbugs.gnu.org; Mon, 04 Jun 2018 18:58:10 -0400 Received: by mail-io0-f170.google.com with SMTP id s26-v6so986819ioj.4 for <31715@debbugs.gnu.org>; Mon, 04 Jun 2018 15:58:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-transfer-encoding; bh=opYVatSslr8WQkpUTuzfg2/jmb+MHi02RVB8L0MaPpw=; b=SXsMLc7Af9wT6GTTZoF58io86fTUbL6M6aGAUdFgag3j410KPQXVj6GvpgG555d+8Q MTIrLXry9Ea44M1u2HMMBpD0BS3AlOWy9NYBvBHDxtMKm0W84S0QvdT1q8PmZ921YczZ CitsnfzA/7A0V7/1dRds3ZhTxFzYwB7DKd8v+SbyoSoEHUw8O4x7zZCwpVxHQQeDZG2a WISXQ2ypuHNs8FBYouXWkBN0JIesfsYOotF2OT3PNScFIog+EBnpsnSEPp5+Cft4geUE jn9f6oAg0Nv6xAxtyPuFa9FJzlHUmt3a2TM8zANy8tRYzhxXvbFO2NsCnSOA199WYcOK 8PwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version:content-transfer-encoding; bh=opYVatSslr8WQkpUTuzfg2/jmb+MHi02RVB8L0MaPpw=; b=WfWNUSaxNgo7vffIl+rJRU7Ats78lJK/g+frSvOWYfXTorcLvMlGSw7zWOLBLT0Oi7 bNlksPh+LhCuCZQnbpVWYKVLf3cGcuX9u4WQV/m1tMbkZ/rd0fJvHQ7XRWpTpG+z8mGG iyKny1VvXrmES91oRV1nC8zQ89P27VR5nIxbD+xHq3A/qde6ioNMaN77dqPxbAlbEkk/ lV0nOBcot9HXX9ptqDprzSvypQIJv/dJvhlbGvGJ3UBZSx9qTIKtHiat/DElUzUxeWco iwOxqp4p7mZNwDpc9grZETbvgy16gSc4UMsbkuEOme84yLpVXTSYLTbePJdM5Kf951ty UHaw== X-Gm-Message-State: ALKqPwfA9BNEwaVNUSCQo9uCXl91cUxwZ7y6z0ZUZ/3B3U+cxIAn658s cUS27hwJVKYvnOqxrxXRPE7+1Q== X-Google-Smtp-Source: ADUXVKKUkj0KgbSBVFZng6ayZAAF93gBQ9Fz+dEMz7Z848OLMqqZQnksSCMCnUGB9A2t/TnfRFII9g== X-Received: by 2002:a6b:8f84:: with SMTP id r126-v6mr15754063iod.233.1528153083920; Mon, 04 Jun 2018 15:58:03 -0700 (PDT) Received: from zebian (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id w8-v6sm5057986iof.84.2018.06.04.15.58.03 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 04 Jun 2018 15:58:03 -0700 (PDT) From: Noam Postavsky References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> Date: Mon, 04 Jun 2018 18:58:01 -0400 In-Reply-To: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> ("=?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel"'s message of "Mon, 4 Jun 2018 16:06:55 -0400") Message-ID: <874lii88hy.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.8 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.8 (-) Cl=C3=A9ment Pit-Claudel writes: > The following works: > (let ((x 1)) (cl-incf x nil)) > > =E2=80=A6 but following raises "setq: Wrong type argument: number-or-mark= er-p, nil": > (let ((x 1) (y nil)) (cl-incf x y)) > > =E2=80=A6 yet the docs say this, which suggests that both should work: > (cl-incf PLACE &optional X) > Increment PLACE by X (1 by default). X is an optional macro parameter, so the "optionalness" applies at compile time. > The issue comes from the expansion of cl-incf: > > (defmacro cl-incf (place &optional x) =E2=80=A6 > (if (symbolp place) > (list 'setq place (if x (list '+ place x) (list '1+ place))) > (list 'cl-callf '+ place (or x 1)))) > > Shouldn't that `if x' check be quoted? Same for the second branch of the= if (shouldn't the `(or x 1)' part be quoted, too?) I think that would approximately double the cost of cl-incf in the simple case. And since you would expect cl-incf to be used in loops a lot, that seems like a bad idea. From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: Michael Heerdegen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 04 Jun 2018 23:44:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Noam Postavsky Cc: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel , 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.152815581315685 (code B ref 31715); Mon, 04 Jun 2018 23:44:01 +0000 Received: (at 31715) by debbugs.gnu.org; 4 Jun 2018 23:43:33 +0000 Received: from localhost ([127.0.0.1]:33722 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fPz8P-00044u-2g for submit@debbugs.gnu.org; Mon, 04 Jun 2018 19:43:33 -0400 Received: from mout.web.de ([217.72.192.78]:56921) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fPz8N-00044h-Nr for 31715@debbugs.gnu.org; Mon, 04 Jun 2018 19:43:32 -0400 Received: from drachen.dragon ([188.110.196.170]) by smtp.web.de (mrweb103 [213.165.67.124]) with ESMTPSA (Nemesis) id 0MZlR4-1fj9NM2vxm-00LVG0; Tue, 05 Jun 2018 01:43:22 +0200 From: Michael Heerdegen References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> Date: Tue, 05 Jun 2018 01:43:21 +0200 In-Reply-To: <874lii88hy.fsf@gmail.com> (Noam Postavsky's message of "Mon, 04 Jun 2018 18:58:01 -0400") Message-ID: <87o9gqw21y.fsf@web.de> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V03:K1:F7kip4wQckcqJtkmUGa2sW3LvbflHBFUfQtDj8NiaquzLvsF5C6 qes3PF9dkRQyWqGK23PXpHofaWufQljzggYhhnAkzNVpDf899chm9HbJGgMjfcZzcJvlo7w D4DMfQ3o0u5fQms3EU1JEVpH67/ODGouxJv2S1XwVFftTAOgm/W0OfFczm3kwiRlUZy12Sy YljcjWcGMSEKrU/L8qodg== X-UI-Out-Filterresults: notjunk:1;V01:K0:CAONRUIMw+Y=:DMZfhaWxUODzi/UPRx2FXd Z2nXw2mIdCV9OHO483TC0R9lxf00Gu2szbAeUp4yddWW8vKW8V9cuPqCJ7fOPQ8PJkMfCInhZ 9mFufoGcJlnh+RqvmrDlkNrRlxlopitFgYsOZ57xAgsDPPF1mk++2/jxv4bJYgjKh9fHl9S+/ YoqIfwTa5QIABJ1E4QO7o6uyVODMJ2y4oRIWWAh5MqEzSgETvFMCRQZt02Gt5BkIcjLgGX1O+ ZzRdp1WIoEl8/WIYXOxQDcBcQocLDRofxKvnY9snONpEm6ORER0WSkWh8GHF/AfawSAvqnKA7 KFrb4OEm7h9WwjSBG93wRJcwDGfY2f2gyd11+v7uB93Fb2UGcg+TnAskLpvmk1FgkpV3gBBm6 H+4YSK6uD0qvT8v2yjWGcsrc/qRRQ+7HaQ2/3ZIX1aUZPZzfiLN2uWzPA6hNXNZCs2JOzvVjn CK//MN2F81YEfUwNfUEuGVuYfyHZJoQ3Zhv1VnrMn0ecs/V+J65W2Jj8CM+sOkVOdMf2HfTo1 7VuK98CJYuNpmVPjkY2xSsbqDi7P1Qku3Oqo53V7z3pFl1M7l80RtOtwgcbTL8xzdqFIjVxyT NZpU4AQn4T+N39YnrI0rwWiqaRb0durmofkMtrypK+YNNp1qPovXQWB9UxKE0LZtOVgCpQbzt AbZSKgNfFj20WSCeg080bFsxdAWzVteCkpd/63Tw1vqY53pa8onQVRieY8534eBmnv+0MveNI CIONVPD5RNcy4C/T7rb2jLtRKX6siiYJ29/1GtyRGJgidks3RZG/gZUgg0JSNQno07cd89Cdi MLBR/1c X-Spam-Score: -0.7 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.7 (-) Noam Postavsky writes: > X is an optional macro parameter, so the "optionalness" applies at > compile time. Are you sure we always treat optional macro parameters like this? > I think that would approximately double the cost of cl-incf in the > simple case [...] We could drop the optimization in case an X expression is specified, resulting in one additional `or' call: (defmacro cl-incf (place &optional x) (if (and (symbolp place) (not x)) (list 'setq place (list '1+ place)) (list 'cl-callf '+ place (or x 1)))) Would that be significantly slower than the current definition? Michael. From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Jun 2018 00:13:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Michael Heerdegen Cc: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel , 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.152815756318145 (code B ref 31715); Tue, 05 Jun 2018 00:13:02 +0000 Received: (at 31715) by debbugs.gnu.org; 5 Jun 2018 00:12:43 +0000 Received: from localhost ([127.0.0.1]:33728 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fPzad-0004ia-EB for submit@debbugs.gnu.org; Mon, 04 Jun 2018 20:12:43 -0400 Received: from mail-io0-f177.google.com ([209.85.223.177]:37354) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fPzab-0004iN-Gs for 31715@debbugs.gnu.org; Mon, 04 Jun 2018 20:12:41 -0400 Received: by mail-io0-f177.google.com with SMTP id s26-v6so1150789ioj.4 for <31715@debbugs.gnu.org>; Mon, 04 Jun 2018 17:12:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=uRy8hXmOzAO0cvhUgffDIJmN0YOHBGMKlrBrTTVYXlQ=; b=dsDlRIIcpxQ+pU/zvwZbUgfbQtryjzWTdOGUHrq3pS4rxjNtGIELkHFzUwLFbtyolq 16CPCPDxKEhhU2E51u6bm6Milpmzrkgpq92hp7yj+bLXp6Hp38LwqKkMMTOm9jJ+NDtf 0ZKDoqJ6r2STnCyVJjaCNQC0UQPczodOV0yi+HoOhw/vmgGL7+CwRkfsigsxb+pIU5HV BDa+UH3tyvT2DWIAaKrwJhws+44zFf34ceCPEuVyjPRLDrsIHrJtw1xEqyj0mVSx0BCy KChzdnvnnFivtOZkRg80l5nCzsDRiS46XUCR5P0vMWcCHbE59TALeF6HQQs7kIf/cITo huVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=uRy8hXmOzAO0cvhUgffDIJmN0YOHBGMKlrBrTTVYXlQ=; b=Kw/SITghTNSJglm7iaDkr9HzuniAfRne2RaqY3085qa2tIttp9X+f0XFRGCKIY6LnA 1m4vIS6MR1C1Lz1p3K/BBOcxl095gL0MlvH6eo+UPZbUPZMuZp1FQk/plnN8KRPpRE6Q xF1fKnAEPDDk1RtxvedOru0ZgUWBOzuaMBPOGkbDtbAgwO1b88iUMryxLgednCXceyR3 eR26fwRP22dGfnhBZESrAilwgdDw1DEtDwyPjS5pK50++WA8ua3Jtk3LRRk+IlLL47fb Ly3/eUB+/vic0Z5PtcVyLbrbdsUUWVQkwUYbTr0qsjgk30oBgvUBKMZS9nrrqshLHr3c vS4Q== X-Gm-Message-State: APt69E2T1gn6xjW4qHxu/TMAL8Lb6XJsDD4i2m3MvCZdM95Pt5dre1za sjjidWqYJ5bS4BduDUlu+hzHPA== X-Google-Smtp-Source: ADUXVKLxQTwRsHbL90ebvxponK9eo7P4sh8PIEFXIDLERKcAU0RMwFtBED1Y8lwxmitOnhO29DS/Hg== X-Received: by 2002:a6b:c309:: with SMTP id t9-v6mr10553169iof.157.1528157555990; Mon, 04 Jun 2018 17:12:35 -0700 (PDT) Received: from zebian (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id e139-v6sm334153ite.1.2018.06.04.17.12.34 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 04 Jun 2018 17:12:35 -0700 (PDT) From: Noam Postavsky References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> <87o9gqw21y.fsf@web.de> Date: Mon, 04 Jun 2018 20:12:33 -0400 In-Reply-To: <87o9gqw21y.fsf@web.de> (Michael Heerdegen's message of "Tue, 05 Jun 2018 01:43:21 +0200") Message-ID: <871sdm851q.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.8 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.8 (-) Michael Heerdegen writes: > Noam Postavsky writes: > >> X is an optional macro parameter, so the "optionalness" applies at >> compile time. > > Are you sure we always treat optional macro parameters like this? Do DOCSTRING and DECL count? (defun NAME ARGLIST &optional DOCSTRING DECL &rest BODY) Since they're obviously not evaluated, it doesn't quite feel the same. I couldn't find any other cases of optional parameters in core macros. There is the special form defvar's INITVALUE, but that is treated even more specially, since it distinguishes nil from omitted. >> I think that would approximately double the cost of cl-incf in the >> simple case [...] Actually, checking again, I seem to be wrong about this; the compiler knows to elide the extra test if the increment is a constant expression, so it would only add runtime when incrementing by a computed amount. From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: Michael Heerdegen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Jun 2018 00:41:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Noam Postavsky Cc: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel , 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.152815921820801 (code B ref 31715); Tue, 05 Jun 2018 00:41:01 +0000 Received: (at 31715) by debbugs.gnu.org; 5 Jun 2018 00:40:18 +0000 Received: from localhost ([127.0.0.1]:33749 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQ01J-0005PR-Md for submit@debbugs.gnu.org; Mon, 04 Jun 2018 20:40:17 -0400 Received: from mout.web.de ([212.227.15.4]:60497) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQ01I-0005PC-BH for 31715@debbugs.gnu.org; Mon, 04 Jun 2018 20:40:16 -0400 Received: from drachen.dragon ([188.110.196.170]) by smtp.web.de (mrweb003 [213.165.67.108]) with ESMTPSA (Nemesis) id 0LwqHA-1gNCGu29zU-016SKc; Tue, 05 Jun 2018 02:40:08 +0200 From: Michael Heerdegen References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> <87o9gqw21y.fsf@web.de> <871sdm851q.fsf@gmail.com> Date: Tue, 05 Jun 2018 02:40:07 +0200 In-Reply-To: <871sdm851q.fsf@gmail.com> (Noam Postavsky's message of "Mon, 04 Jun 2018 20:12:33 -0400") Message-ID: <87vaay3w2g.fsf@web.de> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V03:K1:WtdlUfL7KRkLD8JcdjtR9RlR4g480ATY0zuX4fQBIKHHSffqtPI HWjQhIRp9ID7CtgTJ2afQaqVuouN7zCekJ1nMPHHhG38KsiR4tN9eAqjpy25dUesTB2JDUG XXUfPvIzQYoSx6qImF2uOXskcSte71NL9PCTgQF+AhVNxaWoFDar/FUlJshhY6soDjja3DV Fd33KFWbZa/IKPlnQO0JA== X-UI-Out-Filterresults: notjunk:1;V01:K0:BqVFbCwxORc=:aKAZ3otZgOFAApdslv3xpx nX00k/jwewAkRWVn6VPSHdZRKwhmAdNocd3DcolAlhM6uek7jVXX9ANwgc3kmYRh3acDSXJhU 6earA+pHhhB37Jjl5lFqvxmMb15v0piEAz/X3BOjnu0PV0QjWmeXkJ/HAmfJnqNKnrXoOKZkR 1Ym776bxnxapU2Nz4/dJxH11NkJoUESlfZzVP8I5j+oxrH+vqOB3vEX9UvX886KuwzcDB0ec5 ijqrhOtulbsGQZ1rBOtn6tJ3+3xkyVKzor6xzp18WRuNf+T8pcM7KzEIwKcXBaF162pty4BoB CN4cOfKMIOrS+TfRMab1YJDbXekFkaEiozQhQeKx1hBGAhg1vRREDZQKewKaZOkkRxOVpzPe1 BLHt4cHru1WEKOe1dEp9nGrQDDGNj2TeSdlsFIr6DxO0EOrMBQeK1NH1cGgPRc8+bt98Ch42Z 0rUX95SNaESqCJnYV+KJkncGOizu0065N5lSaT0HUIssxdbSVoIBKU+ubfElf6BA2sM4+eyuM u3ePhFjSmVLZUj/NdRSO44XKtcLkdGd3Lshz7Ohqn/QgGY97a8CrsmbCQr1K+5FNJR9oeunuw rWsb/4wCpCED+eas47x9qhiWtI4a+LaCKBexLa5lYjcxq0PgSsXRwO/RDXUS4qezILWFcRt6I DcmLl2exPIMWUE8OKzvfONr1+IuAFmUMXh2JigFw5Frb2RBSEFs0WnPEN5OG1k3nmxYpquW60 PZ7i6CW5IaM+ixToU3yrycsdz7PRbPHnybi9SJMWuDkNEBONxt3yPCtNZguLoNebQunx5yiJ8 63qanCU X-Spam-Score: -0.7 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.7 (-) Noam Postavsky writes: > Do DOCSTRING and DECL count? > > (defun NAME ARGLIST &optional DOCSTRING DECL &rest BODY) > > Since they're obviously not evaluated, it doesn't quite feel the same. Yes, not really. It's not that super clear. If we keep the current definition (though I would rather like to see this fixed if possible), maybe consider to add something like "If X is specified, it should be an expression that should evaluate to a number". Michael. From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Jun 2018 15:04:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Noam Postavsky Cc: 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.152821099215914 (code B ref 31715); Tue, 05 Jun 2018 15:04:02 +0000 Received: (at 31715) by debbugs.gnu.org; 5 Jun 2018 15:03:12 +0000 Received: from localhost ([127.0.0.1]:35321 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQDUO-00048c-Fc for submit@debbugs.gnu.org; Tue, 05 Jun 2018 11:03:12 -0400 Received: from mout.kundenserver.de ([212.227.126.134]:42477) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQDUM-00048G-GT for 31715@debbugs.gnu.org; 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Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <874lii88hy.fsf@gmail.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="A21yB8HmiflRkXpE9M7qDcBsiZopr8Gan" X-Provags-ID: V03:K1:RjlGsjJlHUEHnEisftkdpmNHvQJ4oyjMZk8ff0OlkAPhMfbkPop gbf+wvb/bjY6i5FBwhsN1C5VtyHQhJnQHcWboTx8nPEMy8LaCgVlKeu7oHLt7a3bpChFgGh UTp5UK8UPYpIsloAV7toYyYzGS4uC2SosjWTzp723KWJcD+ldlMeThAHf4U2BrpOCE956l8 Ug45KODupwXLX6G11pwuw== X-UI-Out-Filterresults: notjunk:1;V01:K0:u3J/HHmGK30=:QPi5VqJWLqjf+KFj26Eij9 erhsvE3ya6R10VuwfrySgMfN1dhL+q73M5SllybbQEkeB6T2vM35rjuFJs6i93BTLpJnMU6fx OJaOH76U5V35zkJDyRKlhJeB82fvoFqBSAqoaZRfTCdS7PQqX3DJ9XQ/8faPf1/G97jWl5Euo cwPRx5yBTOHkYTRfY6M+X5Qps0AxmjW7Jc5rJlW/s99omVsGM5xLYnGzSGim/YwylvtoT3hTg c9XyHRLi4Yi21YRWAQVZVhb9dzWCQuFcTzFtzWJg4e2B1900UsA6MLtdPhKYc92ABzJidMLpA sp9yXdU9oNHMUwMZjUIONYyu73k9g0w9eEsGgVI8N2G2BWQaxkMR+tnJDGACJKWpeK2Tf2xEl 4pywoGjh0wjzxmKCF6hOObUFC09tPDiz0Q2yBgLWzEY/JDbIZsTogWijO/U+Yv7nfx9Ze2HWU ueYXZGjUubrf4cD7FEfjaPu1CqQzxLbPH42UQDqgMWuH5kXo4QBXXDNY+ZAPbMtdjInHSgj6/ Qz6uAwmZinUiHBYrHD7gO9Rs2W2lGsHTnLWkrSpwQ6QgCTAv92I6O3bKFYTcIlpFaNlTMp2S+ dA7jAcP6LCmsqbos+JlT896r0JxppdCr2uoQXtvEyVwZA339OsD6LM+/s07bzf3rztqwJ21jA jHuhv009hYWv0kdECP2KQIgBGCuoaJLTqhTuKkE2pmmS5LU0BXMpkxtwPTTYwrcQT3as= X-Spam-Score: 1.0 (+) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.0 (/) This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --A21yB8HmiflRkXpE9M7qDcBsiZopr8Gan Content-Type: multipart/mixed; boundary="E7MFySNTLJja05o6xaBibDGZV6dPaDzl0"; protected-headers="v1" From: =?UTF-8?Q?Cl=c3=a9ment_Pit-Claudel?= To: Noam Postavsky Cc: 31715@debbugs.gnu.org Message-ID: <19346ba3-d84a-8da5-bb11-efa7ed933004@live.com> Subject: Re: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> In-Reply-To: <874lii88hy.fsf@gmail.com> --E7MFySNTLJja05o6xaBibDGZV6dPaDzl0 Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable On 2018-06-04 18:58, Noam Postavsky wrote: > X is an optional macro parameter, so the "optionalness" applies at > compile time. I think I see what you mean, but I'm not entirely convinced (in part beca= use the docstring doesn't say so, and in part because it doesn't seem wor= th it to break referential transparency: if we accept nil, we should also= accept a variable that evaluates to nil). > I think that would approximately double the cost of cl-incf in the > simple case. And since you would expect cl-incf to be used in loops a > lot, that seems like a bad idea. I think we could still optimize the case in which we get an explicit nil.= Cl=C3=A9ment. --E7MFySNTLJja05o6xaBibDGZV6dPaDzl0-- --A21yB8HmiflRkXpE9M7qDcBsiZopr8Gan Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJbFqYlAAoJEPqg+cTm90wjyycP/294FHQSsckfzAfhnz+FAVdf kPvJcqg0BNMTsyx6RrqmeR3t9sIJ6zs16GsCZMstQSgCDV0VQ9NKN0vEA79w3Lcc cgHpLWG/ZOmI3jqb8hBEDD3b6SpHK/GzIiwBAs3kUZoIaSpXHE7wM4+9bRJfbNNk YK1x3sbuKqFQKZN+wtWdZAU+BhjqMn5BpJ+3S2czE/UWzDEhLFIyNTAYjrOyem0O KO1aMy1o202QrSphfSxgvvG6XeQ/T3EsML+rf8pWt5bfQiYdYkxdw0shXbE3cgZc SLnmKTm5XwBVGtOGAU2FzH9gJueAXu9YBrEWcMxYSwa8zvJ73tlbbhCkxrDHn5et fhEESukEbH9M6vDeKgpgvlyf8GFfb0DvqTdA5N8fwcwldlwKkMkLMRtNNOi59MZf lf8SSy2sMXnIMkLC/+85rJLGPSZdMAXHtFxxR0Z/actXQ9VDGdYjGfsWdnrQu5BA XWVt7dIjukTCo8AbtBgWnT2qKeTXNL2YSy8FVavjeyXRYBUsfFWTRWvwgufqsSol PFvHcrFPuS85q8n4sfXyYV89ML96O7XrE4fYG0j4R4RgNpgDyWIH26CUcE5NSupm x5ZDmcI3adPANq0SDf78zClzQzSFFcHCNGRWS6sddR5nu12YssNEIQIxCfniKKx6 eOoHJUYPG+lJ1ePM5Tit =Y34t -----END PGP SIGNATURE----- --A21yB8HmiflRkXpE9M7qDcBsiZopr8Gan-- From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Jun 2018 15:20:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Noam Postavsky , Michael Heerdegen Cc: 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.152821197417410 (code B ref 31715); Tue, 05 Jun 2018 15:20:02 +0000 Received: (at 31715) by debbugs.gnu.org; 5 Jun 2018 15:19:34 +0000 Received: from localhost ([127.0.0.1]:35340 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQDkE-0004Wk-FF for submit@debbugs.gnu.org; Tue, 05 Jun 2018 11:19:34 -0400 Received: from mout.kundenserver.de ([212.227.126.134]:34467) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQDkC-0004WV-OW for 31715@debbugs.gnu.org; Tue, 05 Jun 2018 11:19:33 -0400 Received: from [192.168.1.109] ([73.126.99.55]) by mrelayeu.kundenserver.de (mreue006 [212.227.15.168]) with ESMTPSA (Nemesis) id 0MFn61-1fTmUy3g6n-00Eghg; Tue, 05 Jun 2018 17:19:26 +0200 References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> <87o9gqw21y.fsf@web.de> <871sdm851q.fsf@gmail.com> From: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel Openpgp: preference=signencrypt Autocrypt: addr=clement.pitclaudel@live.com; prefer-encrypt=mutual; keydata= xsFNBFStGiEBEAC8eHa+DdcrVtDSwYoIgoUtMfRAan4bdLxZuNIASy6iFytCHNsKqfPkq8zD YV2+uMtbdcnjapE038nidEMItNhO04JdZ+PJ6jvJo1gW+XI4fM8uzkGZauwR+d3hEq6goFSp rIlSlaVf2g5q4OKxI754yqwz00++EZhZQMntzoKQVV9stJ5eQ+gxTT1ANr7wQKbjn/8PM/Cg hBZvYLhh+WsS0Ko5qZuWdsvUBLpprmCWkP4FpZ234/tWpdVID65nlHpu25+6ajIcxfCIK+dN 2br0wN1szTeQFG19cfr3jXEvwHmLQbQqCg4UH+2b7JpMGR2/KWjqRWfWVvZMPVeJdOsZHx53 k6HIbEhvFBHbmqCI6FAZQjkgzGGkrSD92+jeMYiCTxRKqq2hFZ6xqQ6pJdXD1TXcIYPEs7rA MwcNMj8g4e6vuI+2CjHyQQkyMPAEi8guNPnyfBb648f1lxj7JiJu/ehRghIP5u/kLOsHNCKG QgCT04sawBZYHqEVYni8oHlGJcdWGT5/UI4B+wn70eXvYSScZEaB+S2s/bD0cdlSpHY5Od3l tpRZTva+ydswlrz4fxbYF45s6rFpqVwBMfNv3gqhBFXbuiEEctcTSGqhHxxT4R+24Yn+ZSBa EfUbrKnVTUmV20k+57rghiVw2wpj8v7sn3QXt96HJ9ImY4JvuwARAQABzTNDbMOpbWVudCBQ aXQtLUNsYXVkZWwgPGNsZW1lbnQucGl0Y2xhdWRlbEBsaXZlLmNvbT7CwXsEEwECACUCGyMG CwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJUrRuVAhkBAAoJEPqg+cTm90wjResP/j6A9F81 5C78IKzYdYIa7dHNWi4djRdUd79iIHGeFrao6qf7NX3XZmWkpgWExeanaqS7MmJjyXYEh6La JnzojETK+LVYk2xOanKQch2QrxGZVsXFtp/h102J1yTkUKp4g3uyaVlMLDg1P4eHSJC2YHr2 GtE4HTMUW6SThZ1nJQTrSrVpxTL9hRU/O4VIycogD9++zQ3Y1KzGq5xEi+UbjmcycR0dhSSD vAqo3yU46rfgyKPT99JR0edvYAbJaw5uq35Y0y0L6/gV4Bj6c69TADeyc5iTvagPLUWfeWUv YS2M+j7EWRePRmkuBw1ZPxKlibhsfzZBtIt6jEFd+U8ES5ycm6LSqu3ryGlFuFvdrkWzO7Fp SsHo03r6jtc8nY2jnOzsuxVvakMW1JqAiIP2H57Xyv1gZWb60dJDy2k9M7SCONdFLSU6E3k1 ZjyVkWD2cDhoLV2jy11U9hxQt+OfH2M/f+1cZe5Fberz4ceQ0ssLdfOo4dcGd+MW1lixXYj/ VrZj+QmqOdpzjxyLlzd94Mj7cvNzn/bJV4af6fgY+zbGHj8POrIVrIVO0B2/lSLG2HqO+srI 38gpz8vsVuqtuA5QSPT58H3PeAn0uYetCYNammoPRbQadgQOa8z2Bns2c2HsDj4baMck8d+h PDf7MdiEAW7zE6pxQtdr0xo6EREczsFNBFStGiEBEADTKhFNyVXInTxg1rioBtixWbNr2yRt Wu+jR4ECvPW1rY2ThYQ/I2Z97irnhmFnuepIM/gGviXN2OG1+xSBGjJVN4i9chnhxTLHKc+d uqq01tD/OGItoH63MQekOPhsymUyd95Ci01nM18pTzZDghYal47Ex/j+rlM8AaBmtSbTNGN/ rTFGUMvregVqrnnrYfs/LlooxHtTAbpY19e/sZX5b9EWdsa6k074bt6ew3TQ9xm7/4grV06H vc1b0I79Rk8vPslXh9Wh6qS4+OLkvFWnwTUachInxlD4E0wdK33XaaSxarFSmnYcVrsW2Izy gPoRMYgB5oUPtmUE8F/WfhWZ0Z3P9cKXx3EP6Z25PN3UJFXr+kZpVow65bx0MFIu/N5ygbHX sQ482CQwgzg5rr3arxXB9AknHC753jSJeld1oAsy1J+hmY7iSGxjoZeL4Yoq8IINNeq1QbH0 vo9esK4hmUi2fXIg/GKoramWJ6DjiObuHOJvXkiV9QS7GVnlHq1Z2/HGN998n6nmUj7i70lk a1XiJ3LFtAcxqsnjc1hXdi2yuOnbHRhpVBIuCEsj3EKtp5zTVkAK77c5LOIIRoij9ACUaT6x D6r93jbuw5HbSHP3aW3P/jkQ3kgZXPaa6890kPe3eRqyf9iOYpcAWu71TSqQldaOZ1Nl2Ttk 1JY8UQARAQABwsFfBBgBAgAJBQJUrRohAhsMAAoJEPqg+cTm90wjqucP/3di/s4HIltDHvte Css8JYINdfkdfkt5ub75YLoBa5blPIMJ/E5HMiQ90dAnIlg0ZQ39AOJ0agyg7vNSi199Y1Kn 3TSpAAiTo5V8ry8CuyqJ+0t4czr5PUr6P+8ggFAXMSn5NbZPQHZRods3GFtO5pq/6gwWxBiO 6VcLEqeEdz+ZzusISIPtuz56biaeR5+lh3FVITvXzVHY/7mXeKKb/HKy4gwHmNnWAqrELjg1 vtTtJJnPyrTUE6vYzO1pfNs7ynfcylV5q6oloLNwChQweMfFtDHOiOv6wweLav43+28WAElD Saw618yT8fFSWYGl9tUmADoRgHfFrcHrcZ0v/27C4Gh/bbESUJqm4ik1wZPrEjIwSZJFAm5k 2wTlRMnuxT7cGZVYChG2awk5wbYqofwivGcpY1X+HSGivYXEGQmvPSdONFbgr1FUDXKgcsbw qsxaBtx407fDL8ohnWnsjqB0X6sWUjllm8Afxabwr2WCzdRut6/HIXcrFHIFjzHokIqartiO 0J0tmANHEACjmDgF6E1XlUi0SnNXDV0Us2z4843kEocj8Z6zFNQkuMy0ArQbuxVG0i5jaRaA nI6nLB+ouU4UJNUnzrVnVr2sQuruMIIb9u7DVTodwfkrEVw0aoiSW3D7CTATZcBihOo8NZjm hze1s8uad9n9PQF+gigV Message-ID: Date: Tue, 5 Jun 2018 11:19:22 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <871sdm851q.fsf@gmail.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="fCePl1OUcBPFjIv6VG4DEopCZ8rqFKN1G" X-Provags-ID: V03:K1:Ngib5aByRcrm0mhY5lpuNgRRXIueNLvABiZxPXhB6U0eYrmLmjw SXZBzYC8hWtJly6alp30FUy/P28EpdnEXipCOxvWs5DX9GESe2zZLMUwQ7T0Pe9PQhmjKlJ tXajvRwryhs+/zMdXq0+R8/IHlPaFwEATBkuLKb2HW7qMvRBde9C95UEPCZNXKO0ZeQkUIB 6Jgu7gk+6pk5ElnsSeNMA== X-UI-Out-Filterresults: notjunk:1;V01:K0:2qj5OIoWMMw=:OSFcgY111dH8IXPy2kwSIM /kKpuoX617k8Ynv+YMUvSusHVxslIOb9LA8l0BXYKo0YPm+Czai6itjjIGgkXrmMV19I5HReK gCJ5e4tMf1tp/ONc5nQuIcmJgVrHISqaniy2Bb7mNqc073FsszxKWg9M4VHAT7ftoSpbv2Les YzItiaFmRxo1kN1qsM0wOyE+mM3h3KNq1ybtXov53dg20bZoPVA0puGCUpFdk0M+uJ0dPlH0j 7KTrmCRwif+F06vshqOfLCll20dlzv8K7y1CN6Kln7BRfggHTpP7h54gepK3/T0Glg7NCDqI5 qIvA3Q9OWxdLxeUS/cas5hvkAnS+rgQLRFxTrf5KmPZeTPSrnaDNxdQblhBn0OIfnWqgzLtvh A5FK5FH9J760TLL/BqmZiRSD/yQ7e9ZbC4rRfup+WYf8H/EFd+JW69srhufCXVImyu0c3Ed6u JMzdVCjACTLQLBsjpd3vAwU3TY6Sa2l3N90tpza7jBXzFwjMNgGwPdwI0tv/V7+CCYjEsWqdJ ct/btgu2PUj7YD9tLzanDG7oA1wQ/csSv5FU6uySpyM6ceXD6dL2nxga0U3xyr7tniGqNTnjR haOt8Rb98UCC0BJsJIr81C07CSB6DXVrbLJ+sYYsNDxzByjFuZqJBJmW5/p4DKs+lT1h/K9yi 6hTRdGRY1tUuPeF+MLSnDwvLFO/YN3x5WKnMJS2as64N7V3G8Qe63FhH+wklnfPxMT40= X-Spam-Score: 1.0 (+) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.0 (/) This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --fCePl1OUcBPFjIv6VG4DEopCZ8rqFKN1G Content-Type: multipart/mixed; boundary="CGpqY0GUbnSrTc7TvrPAO0WHeHrmvY5XA"; protected-headers="v1" From: =?UTF-8?Q?Cl=c3=a9ment_Pit-Claudel?= To: Noam Postavsky , Michael Heerdegen Cc: 31715@debbugs.gnu.org Message-ID: Subject: Re: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> <87o9gqw21y.fsf@web.de> <871sdm851q.fsf@gmail.com> In-Reply-To: <871sdm851q.fsf@gmail.com> --CGpqY0GUbnSrTc7TvrPAO0WHeHrmvY5XA Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable On 2018-06-04 20:12, Noam Postavsky wrote: > I couldn't find any other cases of optional parameters in core macros. I'm not sure which macros count as core macros. In cl-lib itself there's= cl-assert, which seems to behave the same as cl-incf. In the rest of Emacs there are lots of other examples. Many of them (for= example semantic-find-tags-by-name or calendar-increment-month) seem to = work when passed a nil-valued variable, but many others behave like cl-in= cf (for example gnus-summary-article-score). Cl=C3=A9ment. --CGpqY0GUbnSrTc7TvrPAO0WHeHrmvY5XA-- --fCePl1OUcBPFjIv6VG4DEopCZ8rqFKN1G Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJbFqn7AAoJEPqg+cTm90wj7YkP/3QdMbTYnxb+PhqSkWDS6uHt CZbODtAfrsteDX3QPMTd8dUQaP5Hyml+8p3upqRmJhHqJteIKHvIPEkXjTjRzmI5 UGPGFQ2Kknt46Yv6NTxd0BearpNhY3hrkN37njdnjT+KViE0EllMwvGZOzC+fM4k Q86ZFjT9Fk3qtNtFAjUPlK61+q3qnNmVW/LfUKqAIEMoVmt8w0B/bKdymRm419Mv BU5KRaCXeT96c5w6tTvaWcf0fbou/Z10qEQqns6FFov301iwXnL+NSfHgxmKa57S k5SgozTa8yLoLq5GOkZEjPrL5yoZ3pzUXkl+4WCscQB3MRum3bSvOqrXbCDQzfHi xTEBl7+S/Xy1UFn1j8Vl6/gz61Df1K8FK8T32GPQwz8KsaH2ENA8FQ3ubzjPjHS7 urzLvo2D9sQO1t6tI0J6UzrZoHIOhStbQKh4N4TAiD/dYTldW4v/lMZmm2wTvVlz Y6fpQAGoZjxyW7n70IWkZoxe06MnB3MjH+MFJJXgRurxhrtGJpVgosDsD0FmMbs2 vK1x1WomzlKrKBfuDoxd3SC9HA8mzMKocGw579M4tqbXwFgxYYiSTFmp+HICC4Ip IRItT3iuL57sRLIg03/pXK6w+3w8tsixkl5m8DT+YvxfPb3B161Mbs95NkG+KEcA 2D8MyzoVjlbx457rbore =vT3p -----END PGP SIGNATURE----- --fCePl1OUcBPFjIv6VG4DEopCZ8rqFKN1G-- From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Jun 2018 22:54:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel Cc: Michael Heerdegen , 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.15282392197790 (code B ref 31715); Tue, 05 Jun 2018 22:54:03 +0000 Received: (at 31715) by debbugs.gnu.org; 5 Jun 2018 22:53:39 +0000 Received: from localhost ([127.0.0.1]:35574 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQKpf-00021a-GM for submit@debbugs.gnu.org; Tue, 05 Jun 2018 18:53:39 -0400 Received: from mail-io0-f171.google.com ([209.85.223.171]:42676) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQKpd-00021K-33 for 31715@debbugs.gnu.org; Tue, 05 Jun 2018 18:53:38 -0400 Received: by mail-io0-f171.google.com with SMTP id r24-v6so5383182ioh.9 for <31715@debbugs.gnu.org>; Tue, 05 Jun 2018 15:53:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-transfer-encoding; bh=a08sZonMFqs4dy5lqNjn2NQWfw1HU+sqAvQxPyRfgSQ=; b=D23/wuWcReDQKk2xO0uFwO3ga+/AFyIvA4ucg6cesz5NoZLIEsfF14st8/bEwLm0pY E9hm+ujhQsrZpN7zATM75OW7O8GzBcXqdkiZFU9cgAa5XGNmr7htrnUDzsWMExePy1Wu ZI8uBNFtftWx2DKPjXyUhY3Tc4KV0iSkUHJMyyhh/hmy/qM1wbtMhUTkmVAJH/UXdKBu AohB16fW5w/1pl8qmmACeWPBsYvtmU9igyiD/dYif9zCVsj2jOTngo03mGfk6yJ3bEaZ IQ71xjA47R3vCLtmmPTuOEYOFSETLbZ1iL5XLRxXiZY7A4SLVdZvfNFUUrbpQlaGiyIk D5kA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version:content-transfer-encoding; bh=a08sZonMFqs4dy5lqNjn2NQWfw1HU+sqAvQxPyRfgSQ=; b=qMyEZI4W15iiL2gEewAk792f6CEZc3rtC5LLFUJJXw06qBVPLJjXqIzAafUmKn17gQ buTtmEU62zhR6kKs1GOxpMYRrsVqRqjUfRszt9UZO5CGs991oqbx7pVawn1Av/zI3lFP L1jSU+BtniuD6T5XteZ+Ykcw/SgtgiMAinVeZSnw8UtO5xmMjd8Tqbrd8EbIlEBCu1xY owkjjoYXekCrFePZNS3nGrWTz0Aa/tACszukDNNFCgYfqsVJuaBKIqrHRGu6c9itHWHp HJPB2PZQSMdx8NNdk1022pSt3fSVe23ypmR0hcXrSoX6CsMqU/y1bXwVOhEts2DQmEYD qVyw== X-Gm-Message-State: APt69E3jfrD6+YFFVb2KDbX5tsRHllJ1EmTpCsE8+aKxopT7NmFCbFD7 kvvZK1g2lmfFC8yqoL99KWfhwg== X-Google-Smtp-Source: ADUXVKJSj3VFBq1ESPG1f+ykHaLCQmJc0LHRzAU7xHM8SQotTEDMZjh8Ql/MYxCY3Cg6AVyA0F7HQA== X-Received: by 2002:a6b:380b:: with SMTP id f11-v6mr598052ioa.105.1528239211420; Tue, 05 Jun 2018 15:53:31 -0700 (PDT) Received: from zebian (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id h81-v6sm66577ith.2.2018.06.05.15.53.29 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 05 Jun 2018 15:53:30 -0700 (PDT) From: Noam Postavsky References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> <87o9gqw21y.fsf@web.de> <871sdm851q.fsf@gmail.com> Date: Tue, 05 Jun 2018 18:53:29 -0400 In-Reply-To: ("=?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel"'s message of "Tue, 5 Jun 2018 11:19:22 -0400") Message-ID: <87k1rc7sly.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.8 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.8 (-) Cl=C3=A9ment Pit-Claudel writes: > On 2018-06-04 18:58, Noam Postavsky wrote: >> X is an optional macro parameter, so the "optionalness" applies at >> compile time. > > I think I see what you mean, but I'm not entirely convinced (in part > because the docstring doesn't say so, and in part because it doesn't > seem worth it to break referential transparency: if we accept nil, we > should also accept a variable that evaluates to nil). Hmm, not sure if referential transparency makes much sense for macros. Both SBCL and CLisp throw an error for (let ((x 1) (y nil)) (incf x y)), although I can't see anything in the Common Lisp spec to decide either way. E.g., cltl2 says: If delta is not supplied, then the number in place is changed by 1. https://www.cs.cmu.edu/Groups/AI/html/cltl/clm/node125.html >> I think that would approximately double the cost of cl-incf in the >> simple case. And since you would expect cl-incf to be used in loops a >> lot, that seems like a bad idea. > > I think we could still optimize the case in which we get an explicit nil. As I wrote earlier, I was wrong about the optimization thing anyway (I initially looked at the macro expansion output instead of the byte compiler output). > In the rest of Emacs there are lots of other examples. Many of them > (for example semantic-find-tags-by-name or calendar-increment-month) > seem to work when passed a nil-valued variable, but many others behave > like cl-incf (for example gnus-summary-article-score). I don't think those are great examples of macros to emulate. semantic-find-tags-by-name and gnus-summary-article-score look like they should be (inline?) functions instead of macros. calendar-increment-month doesn't use make-symbol for proper temp variable hygiene. From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Jun 2018 23:03:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Noam Postavsky Cc: Michael Heerdegen , 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.15282397308593 (code B ref 31715); Tue, 05 Jun 2018 23:03:02 +0000 Received: (at 31715) by debbugs.gnu.org; 5 Jun 2018 23:02:10 +0000 Received: from localhost ([127.0.0.1]:35578 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQKxu-0002EX-DX for submit@debbugs.gnu.org; Tue, 05 Jun 2018 19:02:10 -0400 Received: from mout.kundenserver.de ([212.227.126.135]:40795) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQKxr-0002EK-Rw for 31715@debbugs.gnu.org; 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Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <87k1rc7sly.fsf@gmail.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="qJlmaD5nQCoyKtOLGGEXXWx6D6WO5Yy8j" X-Provags-ID: V03:K1:nexosqSuQPtAP8i1h6ROW0ikhRHw7tDwcdBdq6b2h67SNlmFf/v 3OyrnFETvd45QveGqfA9FNZG0ikArmrue2XSCfDiXPUhtdyK4mn+oeJuq4hXuzf2wDQB+cB dAH+jw46IBTSz0t+mr2ibJZ2sNblSGRLYO6BZVMUkmCPZrXX8v2DWZmbegZs8Aga5QjH88C 3yYy8LDb9UAWJXLNBbhWQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:NHae+ihNcvo=:b3BrfQXXeegVh/28tNsa8c OToz/cyR3YgEsomrybXDYbQja3AyEfHrKZELNdl2ysJFFN//B+sS3EzTyVnOzoJJMCzEXIqXu VQbfG9bjSWxsIIwGuu6oaZRuEoEI4VKwfDU8Z5cbPsYeYu+pEaz7itGwqE1+q1NqFVvtfuvRt DgIqgx/vJddpWbl9/MrmMHLgISGc53sOk9Db4pj7PT4HT8B9+WvdjagKQ4FLf3Q8qbHRsi7L5 VzL9lxRp8tEW6WGrEGfP3tgkTBIsQ4lRL7l7xrS5m8IkKcnFRzFwRQAzq0i2jytLYY6rNEePt K3DZDjOiRvxNMil5vhNFz4IkJ9X4MVLIneCpJkMe7FPU9h+PBt7F12TAsDYBAKsa2F/lZdma+ 3V92sy4TDTD9RFqkLJtRz5/hL8sVDuc+5F1MDBW0xg9l4plxYs9+Dmix/GR6MLYZOXhFwHhhr F3ThEuTNuAhjTpaP6DhXHOmM7900KeqsxxfUgYHO394thUg9KwAdwcdsLVsATlBmP93EvhUa6 YJXb2OAMhWAs4BTcDfpPAHBjEOE1YWvK6ovkC4vV34pLUNwttQML+kWOQa51R2dtfUbNVKQLt W++2zwB6LEsFTY/ffloCOrStqsbIiZg2gr6nIGu3BWBH0SMlOr7jQt52tR4W/8nsMUrXiJ44D KP6OewBHoWQVBeCtvYK9gfkSngeBeVivSNzHunyPrROeX4ArMAZId1KXSRMxLprQHJwU= X-Spam-Score: 1.0 (+) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.0 (/) This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --qJlmaD5nQCoyKtOLGGEXXWx6D6WO5Yy8j Content-Type: multipart/mixed; boundary="sZJnlp2isG5XXx23F1UTcLcFwCaBYBcaD"; protected-headers="v1" From: =?UTF-8?Q?Cl=c3=a9ment_Pit-Claudel?= To: Noam Postavsky Cc: Michael Heerdegen , 31715@debbugs.gnu.org Message-ID: <6176bcee-a8da-8547-762b-4174652ad2a0@live.com> Subject: Re: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> <87o9gqw21y.fsf@web.de> <871sdm851q.fsf@gmail.com> <87k1rc7sly.fsf@gmail.com> In-Reply-To: <87k1rc7sly.fsf@gmail.com> --sZJnlp2isG5XXx23F1UTcLcFwCaBYBcaD Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable On 2018-06-05 18:53, Noam Postavsky wrote: > Both SBCL and CLisp throw an error for (let ((x 1) (y nil)) (incf x y))= , > although I can't see anything in the Common Lisp spec to decide either > way. E.g., cltl2 says: >=20 > If delta is not supplied, then the number in place is changed by 1.= >=20 > https://www.cs.cmu.edu/Groups/AI/html/cltl/clm/node125.html Thanks for looking up the spec and testing other implementations. I'm no= t sure what to make of the result with SBCL and CLisp, since (incf x nil)= also fails in both of them (whereas it works for us, since we can't dist= inguish nil and unspecified). >> In the rest of Emacs there are lots of other examples. Many of them >> (for example semantic-find-tags-by-name or calendar-increment-month) >> seem to work when passed a nil-valued variable, but many others behave= >> like cl-incf (for example gnus-summary-article-score). >=20 > I don't think those are great examples of macros to emulate. Agreed, I was just collecting other examples, both in support and against= my point. Cl=C3=A9ment. --sZJnlp2isG5XXx23F1UTcLcFwCaBYBcaD-- --qJlmaD5nQCoyKtOLGGEXXWx6D6WO5Yy8j Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJbFxZlAAoJEPqg+cTm90wjY3kQAJSfwNZMfoGWgbsgusHAjoTG IeT70dXLX/QDyzAtUiwJkOElmj5BTd2Jwv/7XBlJPTGx4KKQ0nHgDQM0zF8NheQ2 SINRUxkk/fDsFQlyi5fjACrfBxBvYrgtxSNP0JUMqohsZ9aotAL/aOaH1O7WRpTj uO5LATtwfiOIkDG12cB5vq9ljsbFPS0j7DJs7JalWsY1qbmxBb8x6DzBBXFpEZfz nBTFuBZUo7mr1fVimt39TnbtjnEGckQfFOa6+9kQ/EJ40I2K4LENmUbd8RM1Jj/O cgxWY6L+IwBIe+jHhHshVirHGWFt4+n++4wO6JnXNU8YzNUe3n15+o66/lNPnBRE 1R/VESV0w2ksLajPq3NoRPxQPKGOw2GjK2JJYxiBoGqlfSLa6VWjNJv0u8I3k2Af 3e/D7w/YWz/34uKDuRXPczd+WX0HgL0xEFtV6Xs2YGveLuJSHDIiQtRGbanUxLiM eQTW5Xukm6zOd2ozCVAIkbi2oUWB2F2X7MQFWIBZPUpkK2MMmK1D5fhWFxLo07At 1kTX8aN6nRf1mcLpI/5lxVDPujW4DiXT9y4jpxURQw2Fn0FcdpSFXAGTXazcs8Im IO40GaGPSMwDRAi0/JHmOMRk2qAYXYLjosMgOoFhh0UlirLcYXh7f02dQ9F9AlWU 8ex51bvXAKax6anTDp8K =b05u -----END PGP SIGNATURE----- --qJlmaD5nQCoyKtOLGGEXXWx6D6WO5Yy8j-- From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Jun 2018 23:27:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel Cc: Michael Heerdegen , 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.152824122010686 (code B ref 31715); Tue, 05 Jun 2018 23:27:02 +0000 Received: (at 31715) by debbugs.gnu.org; 5 Jun 2018 23:27:00 +0000 Received: from localhost ([127.0.0.1]:35584 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQLLw-0002mI-JR for submit@debbugs.gnu.org; Tue, 05 Jun 2018 19:27:00 -0400 Received: from mail-it0-f47.google.com ([209.85.214.47]:52720) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQLLv-0002m4-BF for 31715@debbugs.gnu.org; Tue, 05 Jun 2018 19:26:59 -0400 Received: by mail-it0-f47.google.com with SMTP id m194-v6so5722159itg.2 for <31715@debbugs.gnu.org>; Tue, 05 Jun 2018 16:26:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-transfer-encoding; bh=eHrII9blxWHAlkxhiaIMuq9eJnigDX2X/hNfBtzwOTQ=; b=mPST+MqsG/sqm99UagpBJTscV9NkQ+S3jUvep2Y3fBVyuwtuxQzoAjAP8/GFV1ijgp MwQcGvD1jRt6DQYBn8i4JKyw72mlqDCeV28MAByfx8PMKYZXYZ5/aSGn18ACjLj6VLYa BGbfXbiObIE8o9cbjLtBl0hI30VeYiUQqifXD3BF6KjXkt19WeuXwmbTji7v74m4gaJB BIbB1y5PShs5tsxDl9BL+jTLzlkc4NSSGginn5a4WYU1TFJHAgzqtVaom6rmdUybbo12 79gzaXEarTr47iO0TSxUt9fT8uY9IPgMmKcmkqmZdZWoueGfX7v9+IoYsoRi+RByBtPr FKJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version:content-transfer-encoding; bh=eHrII9blxWHAlkxhiaIMuq9eJnigDX2X/hNfBtzwOTQ=; b=EYaSZ0jpQCEVUEqyRGW1bROop2wEV91IPLnrydDx/TrZQV6mgRjMALoofiwJykgKds K4EVd+mo3XoQLDu/30eMMgN41UbxLQFOBip3w9d7VCRu3wqcPBeUA1hXk4OxNkJNewWN 8StrR5+iRu/umMr4nTgvEhTEoX9VqFvUOreDJpzeX3g5nGaWFv7X1MknpJ7E7bBzyDNy iSp3tmGTiWDO4z4+KNmj//FTbq3pNkO3yUV4jTTgYfap2Try+7zFBp/ppAiKY1xfR0jY 2VAy8/67DeyR3HHcLcDIk2qBSBIrWrcx9qlQte8Yzy3mn2DE5x5Ga6J/KlLD0izq75SO EcQA== X-Gm-Message-State: APt69E1gMqtRI8Xi80yI4ryJ5anEKl2xzdNShddjOO+iiMVaoawbpWuk v4QJj4dwaITlvQFqrIYDmN8euw== X-Google-Smtp-Source: ADUXVKI8thOgo1qiCoRM8lxi2dvvht8Re5FlTt9LkCqAK/F7ounXa+oQSKzxi9AuA2GTYv1D+ZDzpg== X-Received: by 2002:a24:43d4:: with SMTP id s203-v6mr284287itb.110.1528241213727; Tue, 05 Jun 2018 16:26:53 -0700 (PDT) Received: from zebian (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id u83-v6sm6110577iod.54.2018.06.05.16.26.52 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 05 Jun 2018 16:26:52 -0700 (PDT) From: Noam Postavsky References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> <87o9gqw21y.fsf@web.de> <871sdm851q.fsf@gmail.com> <87k1rc7sly.fsf@gmail.com> <6176bcee-a8da-8547-762b-4174652ad2a0@live.com> Date: Tue, 05 Jun 2018 19:26:51 -0400 In-Reply-To: <6176bcee-a8da-8547-762b-4174652ad2a0@live.com> ("=?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel"'s message of "Tue, 5 Jun 2018 19:01:56 -0400") Message-ID: <87h8mg7r2c.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Cl=C3=A9ment Pit-Claudel writes: > I'm not sure what to make of the result with SBCL and CLisp, since > (incf x nil) also fails in both of them (whereas it works for us, > since we can't distinguish nil and unspecified). Oh, huh, I didn't think to check that case. Maybe we should just change cl-incf to disintguish between nil and unspecified then. (defmacro cl-incf (place &rest args) "Increment PLACE by X (1 by default). PLACE may be a symbol, or any generalized variable allowed by `setf'. The return value is the incremented value of PLACE. \(fn PLACE &optional X)" (declare (debug (place &optional form))) (let* ((got-x (=3D (length args) 1)) (x (car args))) (if (symbolp place) (list 'setq place (if got-x (list '+ place x) (list '1+ place))) (list 'cl-callf '+ place (if got-x x 1))))) >>> In the rest of Emacs there are lots of other examples. Many of them >>> (for example semantic-find-tags-by-name or calendar-increment-month) >>> seem to work when passed a nil-valued variable, but many others behave >>> like cl-incf (for example gnus-summary-article-score). >>=20 >> I don't think those are great examples of macros to emulate. > > Agreed, I was just collecting other examples, both in support and against= my point. Yeah, I just meant we can't really use those examples either to support or argue against your point. From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Jun 2018 23:37:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Noam Postavsky Cc: Michael Heerdegen , 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.152824181311581 (code B ref 31715); Tue, 05 Jun 2018 23:37:01 +0000 Received: (at 31715) by debbugs.gnu.org; 5 Jun 2018 23:36:53 +0000 Received: from localhost ([127.0.0.1]:35589 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQLVV-00030j-II for submit@debbugs.gnu.org; Tue, 05 Jun 2018 19:36:53 -0400 Received: from mout.kundenserver.de ([212.227.126.187]:49801) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQLVT-00030U-K8 for 31715@debbugs.gnu.org; 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boundary="ZEtLcEEVKNKUpR4O9AhC0cdTsLAtTe455"; protected-headers="v1" From: =?UTF-8?Q?Cl=c3=a9ment_Pit-Claudel?= To: Noam Postavsky Cc: Michael Heerdegen , 31715@debbugs.gnu.org Message-ID: Subject: Re: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> <87o9gqw21y.fsf@web.de> <871sdm851q.fsf@gmail.com> <87k1rc7sly.fsf@gmail.com> <6176bcee-a8da-8547-762b-4174652ad2a0@live.com> <87h8mg7r2c.fsf@gmail.com> In-Reply-To: <87h8mg7r2c.fsf@gmail.com> --ZEtLcEEVKNKUpR4O9AhC0cdTsLAtTe455 Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable On 2018-06-05 19:26, Noam Postavsky wrote: > Cl=C3=A9ment Pit-Claudel writes: >=20 >> I'm not sure what to make of the result with SBCL and CLisp, since >> (incf x nil) also fails in both of them (whereas it works for us, >> since we can't distinguish nil and unspecified). >=20 > Oh, huh, I didn't think to check that case. Maybe we should just chang= e > cl-incf to disintguish between nil and unspecified then. Hmm, neat trick! Wouldn't that be backwards-incompatible, though? Plus, it's not common for ELisp functions to distinguish between unspecif= ied and nil, and changing cl-incf that way would make it less convenient = to wrap in other macros. If it doesn't had runtime costs, I'd be in favo= r of going the other route, and making sure that (cl-incf x y) adds 1 eve= n when y is bound to nil. >>> I don't think those are great examples of macros to emulate. >> >> Agreed, I was just collecting other examples, both in support and agai= nst my point. >=20 > Yeah, I just meant we can't really use those examples either to support= > or argue against your point. OK :) --ZEtLcEEVKNKUpR4O9AhC0cdTsLAtTe455-- --I2WRlzTrkoVAm2cBoldn5di40t775WtJs Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJbFx6JAAoJEPqg+cTm90wj1ScP/R97nK3yNb0C4im6mKUXEbjx rUbx4ZvYOmJ0dNiSWQV6zMB9a7L4nzqcxfNszwEjf+UCqYKU6cKI/KcOh+rSRkex cB43Yqe80UpNwDlwGTwdZxiF7d19LpU8SNLapKyVO/l5jwcCYLCA1AgyZy/3euY3 JuRIxIC4MsL6edbZJLTfskzLLWt1Ub/6oFiQQmLvmWwcdf1/GgP1aPaltVjhna6u u0vMilqF30GqNG5rOPdVh9pEm3A6WKxpjQokwGc+md4pkdSzylzssNUBeyv/cyQo l+0fvKULKt+1ZRr0OCgtU8L3ZRjSh4d9k+MVMbcYGEARYgvsG6tVwf7WJ2j7qPLq zaYt3bNA/xb95NJAmMKpWF5GhnLiCbmPwy6jXxuSnPDhBZSxewQssTCfjQgLZxvC zfFoRwjWp6HlkIWDIPAvM+K04Y90bJWGSz2bie8KoToml1N5b6i7YI9ML+hDLZjn cmjSPf/knSmXdds8hbF1C7BUDNQ6L6cKFawkiT8DmYWW7GI1vDPnfmX9OVntenZp +ZRn5lRojrBEBBVCCwgyE6bbABozcFtQITDhYC+zVhuHTR6DeXxE3Di8UhSDpzuV gmw+pJUuA8jnduD35Ot95IqT0g8MR/YxqEKYL3jLECJcBASLaLhsUkknn8BbKUO8 gGdYJi0iCpVSxaO3hQMv =YekE -----END PGP SIGNATURE----- --I2WRlzTrkoVAm2cBoldn5di40t775WtJs-- From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: Michael Heerdegen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 06 Jun 2018 00:33:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Noam Postavsky Cc: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel , 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.152824515114740 (code B ref 31715); Wed, 06 Jun 2018 00:33:02 +0000 Received: (at 31715) by debbugs.gnu.org; 6 Jun 2018 00:32:31 +0000 Received: from localhost ([127.0.0.1]:35686 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQMNK-0003pg-Uj for submit@debbugs.gnu.org; Tue, 05 Jun 2018 20:32:31 -0400 Received: from mout.web.de ([212.227.15.3]:51187) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQMNI-0003pS-JF for 31715@debbugs.gnu.org; Tue, 05 Jun 2018 20:32:30 -0400 Received: from drachen.dragon ([188.110.196.170]) by smtp.web.de (mrweb003 [213.165.67.108]) with ESMTPSA (Nemesis) id 0Maazp-1fjwWg0FXF-00K9DN; Wed, 06 Jun 2018 02:32:19 +0200 From: Michael Heerdegen References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> <87o9gqw21y.fsf@web.de> <871sdm851q.fsf@gmail.com> <87k1rc7sly.fsf@gmail.com> <6176bcee-a8da-8547-762b-4174652ad2a0@live.com> <87h8mg7r2c.fsf@gmail.com> Date: Wed, 06 Jun 2018 02:32:18 +0200 In-Reply-To: <87h8mg7r2c.fsf@gmail.com> (Noam Postavsky's message of "Tue, 05 Jun 2018 19:26:51 -0400") Message-ID: <87y3fsoiul.fsf@web.de> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V03:K1:0MVH//2SxO4EPwkg4YbapJuPVvEY5hVO3V3vWSNy08xBX6UhqmG UwpNTyOmwiT9wGJSkJILDKQXObQaruYfO6UJnrSlKVsTrUPFKk9g1+0PodmrSpB5YDyCAVA sCK3aebC+BRYRHsCOPzlIYgUJa2+OkPrwj7LFSft2TOvwdMphEJgXm8FtITmV98uEUnXgqX Y94SZBEnydGB8imwo10+w== X-UI-Out-Filterresults: notjunk:1;V01:K0:5InlT+FGahE=:YMP4qKQpl5aaSxDm0okwlx GziZ68pCx2dQyuvmnpKoBTStIf1xpoSLfb4smVGoIylr2lIib4mWyQ8LoKIv1dLWWuGk+7vKd bHmu+oUH7kzWkyHKn31EHWscMkzlfCjGG3iKgF+Y7b2wsadD7bwNmFB31d1FjoVXAZs1nwkYi w3uI+XHtPlLTqUHP7zjOXXZ/O9CmBCYEHKrlZemwhzphxNyCwfpBJ20xtx7uGsi18Jv/l/bru /jy4d5kr9pP9rv8gIBeHgqikLuARPHD4xCe8Hf/h2rO77bt0/4zaCt6As1316S5ELEiht+AEg g5J/SFxlHCIFjpAO2cobNiVjyxXeRTjh2AL6+xMvsBueU3btVJt4ou1bsFyFDOBinmSLLM9ab Rdc0dYEl+CKsWXkJ+MujlCFh8x5idQa+K+NsgHQyfC5G9sg8eCWEIlsSQWIpVXohp9AgqAaHP bPFA0zvedvXtw19xRADxZ/XigrmyBbFurE5Llt8eo1o/zgrI69GHtXto0jXF8biKyBCpWdwS0 7vyCCoSBo2IMbk32Cy45gl1wjBS/5+tlwJl5pU9p2N01Plu2QIcVeXrVmDHa3b5ULtWVNqpyi WKfzKxPqIqEpwgMl2JWLfM+WhG8ybSq8lqIMAbe40/MZZuDnAwEVX0cOzx3ZSfWCcmuHGh3WY 24rDKV0mAKqtHduUMEDIexwCd4Qp/aiF7KvYUVKKA16tf2IPxatbUlOvyzg/W+4A3y2Pwbl69 ToJcrFBqRIZ7WmLqzREMB6ozxwnx03zuuqDgocCVnFt383QWim8Y9lhH7tAoEt9rYqKOHr2LQ ER5Vy3c X-Spam-Score: -0.7 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.7 (-) Noam Postavsky writes: > Oh, huh, I didn't think to check that case. Maybe we should just change > cl-incf to disintguish between nil and unspecified then. > > (defmacro cl-incf (place &rest args) > "Increment PLACE by X (1 by default). > PLACE may be a symbol, or any generalized variable allowed by `setf'. > The return value is the incremented value of PLACE. > > \(fn PLACE &optional X)" > (declare (debug (place &optional form))) > (let* ((got-x (= (length args) 1)) > (x (car args))) > (if (symbolp place) > (list 'setq place (if got-x (list '+ place x) (list '1+ place))) > (list 'cl-callf '+ place (if got-x x 1))))) That's quite hackish, just to make (cl-incf x nil) error, which is a backward incompatible change with no real gain. Wouldn't we even lose the byte compiler barfing for something like (incf x 1 2)? Michael. From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 06 Jun 2018 00:38:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Michael Heerdegen Cc: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel , 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.152824547415236 (code B ref 31715); Wed, 06 Jun 2018 00:38:02 +0000 Received: (at 31715) by debbugs.gnu.org; 6 Jun 2018 00:37:54 +0000 Received: from localhost ([127.0.0.1]:35699 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQMSY-0003xg-4C for submit@debbugs.gnu.org; Tue, 05 Jun 2018 20:37:54 -0400 Received: from mail-io0-f175.google.com ([209.85.223.175]:42101) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fQMSW-0003xU-Qs for 31715@debbugs.gnu.org; Tue, 05 Jun 2018 20:37:53 -0400 Received: by mail-io0-f175.google.com with SMTP id r24-v6so5611357ioh.9 for <31715@debbugs.gnu.org>; Tue, 05 Jun 2018 17:37:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=y2RYs3mDVY+9iMX7Fl4goKIkzWsr+yUet36lR6U2Fm4=; b=dCDfDHer0DAvxg7Le26BgGQ0HNRR7pSlXA8CKIbEyrvsRTdxFxZVZYAUWKeY8yCQda wEkTVUvB/xZotacX8FLnHzmUVpkPLmBwT2BPWGICsb/ZhXZpnlzp5XfFPYP+FjkAEl0b BpI144rfs72mN00PASfah6syaLGQ41UsVcQUT7pt3RrZIna5nvH4JiEKLqBhnXZ3Nelt 2IDs1HleNrJVXB7T9I5EdNsJN3ytzheXiC8cy1GddiymjrWbr22I0mia1vrmgmzZmHQE 93rvw4oQYlTH8X+zPpRUII/gkMylWC4Nhp41QDgps0/ipo0pXeeicYoARLSYwaB4X+/7 xafw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=y2RYs3mDVY+9iMX7Fl4goKIkzWsr+yUet36lR6U2Fm4=; b=o8cxflx6glbiIPewT4FXwDANQCEBP+0ap5aHZRf9sTttf6pEGxllYr6ZEkU8P9r5Up JcnyK8Y/Spq9IvS/MUue/NXO+ZqCK3X3u0E+aLH1/Q60yhTKVNrV94NzZYR4jrzVxhL2 2KLcSsiNUIf2B3YHdnxVVW8/NYSG/FG+P7iSzCmWn+4Cq+nGPqM9RLlp/fKbrvXMc08h XhoD7wX5mfQWYNwJAMgu8XMBcDqiK4jsidgw/sUVyYtUSCcK92SRSc0AV85FgkOVjBmM Thu+oMnvnEORn61R5snk220eOUqUFkSvuh2Q3ZGvtcbqGXGo8Z+nTE4RjrpN4Dzx0J6g S1cQ== X-Gm-Message-State: APt69E1MJMV2snzf4503wYThhrrg4y8s+kXX7FRxGlz0yvD9zbkPTVbo zkXPO9FzP90lGZMtwSFVFPmEbTo+ X-Google-Smtp-Source: ADUXVKJjQgZlPTAO+HOCEir0ZXbPjtv0oSo3fTJtWbkd6jb3PCVTgAYiQYx4qX8C16EfBbjD09Irnw== X-Received: by 2002:a6b:2b10:: with SMTP id r16-v6mr834787ior.204.1528245467354; Tue, 05 Jun 2018 17:37:47 -0700 (PDT) Received: from zebian (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id m3-v6sm6402614ioc.70.2018.06.05.17.37.46 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 05 Jun 2018 17:37:46 -0700 (PDT) From: Noam Postavsky References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> <87o9gqw21y.fsf@web.de> <871sdm851q.fsf@gmail.com> <87k1rc7sly.fsf@gmail.com> <6176bcee-a8da-8547-762b-4174652ad2a0@live.com> <87h8mg7r2c.fsf@gmail.com> <87y3fsoiul.fsf@web.de> Date: Tue, 05 Jun 2018 20:37:45 -0400 In-Reply-To: <87y3fsoiul.fsf@web.de> (Michael Heerdegen's message of "Wed, 06 Jun 2018 02:32:18 +0200") Message-ID: <878t7s697q.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Michael Heerdegen writes: > Noam Postavsky writes: > >> Oh, huh, I didn't think to check that case. Maybe we should just change >> cl-incf to disintguish between nil and unspecified then. > That's quite hackish, just to make (cl-incf x nil) error, which is a > backward incompatible change with no real gain. But it's more compatible with other CL implementations! (yeah, maybe not worth it) > Wouldn't we even lose the byte compiler barfing for something like > (incf x 1 2)? I didn't bother putting in the check for extra arguments, but of course it could be done if we decide to go this way. 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[45.2.119.34]) by smtp.googlemail.com with ESMTPSA id y204-v6sm11560558ioy.88.2018.06.06.15.16.35 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 06 Jun 2018 15:16:35 -0700 (PDT) From: Noam Postavsky To: control@debbugs.gnu.org Subject: control message for bug #31715 Date: Wed, 06 Jun 2018 18:16:33 -0400 Message-ID: <87a7s74l32.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) severity 31715 minor quit From unknown Sun Jun 22 22:45:23 2025 X-Loop: help-debbugs@gnu.org Subject: bug#31715: cl-incf and cl-decf error out when passed a nil-valued variable as 'offset' Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 21 Apr 2022 13:12:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31715 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Michael Heerdegen Cc: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel , Noam Postavsky , 31715@debbugs.gnu.org Received: via spool by 31715-submit@debbugs.gnu.org id=B31715.1650546686822 (code B ref 31715); Thu, 21 Apr 2022 13:12:02 +0000 Received: (at 31715) by debbugs.gnu.org; 21 Apr 2022 13:11:26 +0000 Received: from localhost ([127.0.0.1]:48674 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nhWak-0000DC-6x for submit@debbugs.gnu.org; Thu, 21 Apr 2022 09:11:26 -0400 Received: from quimby.gnus.org ([95.216.78.240]:56166) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nhWah-0000Ct-Ns for 31715@debbugs.gnu.org; Thu, 21 Apr 2022 09:11:24 -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:In-Reply-To:Date: References: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=WiyDqOrcMCy+NTa7XIMBRrdpzso1iYemNhwit2aXzWY=; b=GoJAu6WZk3lJ0Utbu/HU+sImCW vyKzhoD4yvwwUhuo5D9JT+6kFKFIN7sX2mBK20OEeawYXtXAQzQ9qVMmgL65O7FmO4P2fa6RikYAr TPoHdprhHkEy0FWkAYRc3R4Z3nMGmBMKhgs9PGx0YAdKV/zCpljpdE//I68JJOkJeMOI=; Received: from [84.212.220.105] (helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nhWaY-0005GT-Jp; Thu, 21 Apr 2022 15:11:16 +0200 From: Lars Ingebrigtsen References: <1dff07f6-8da4-4e4c-a700-0bc39d6f2aa6@live.com> <874lii88hy.fsf@gmail.com> <87o9gqw21y.fsf@web.de> <871sdm851q.fsf@gmail.com> <87vaay3w2g.fsf@web.de> X-Now-Playing: William Basinski's _The Disintegration Loops_: "DLP 1.1" Date: Thu, 21 Apr 2022 15:11:13 +0200 In-Reply-To: <87vaay3w2g.fsf@web.de> (Michael Heerdegen's message of "Tue, 05 Jun 2018 02:40:07 +0200") Message-ID: <87bkwu7f9q.fsf@gnus.org> 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 writes: > It's not that super clear. If we keep the current definition (though I > would rather like to see this fixed if possible), maybe consider to add > something like "If X is specified, it should be an [...] 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-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) Michael Heerdegen writes: > It's not that super clear. If we keep the current definition (though I > would rather like to see this fixed if possible), maybe consider to add > something like "If X is specified, it should be an expression that > should evaluate to a number". Reading this bug thread, different tweaks were suggested, but they all seem to have various disadvantages. So I think the conclusion here is that doing this documentation clarification is the safest thing, so I've now done so in Emacs 29. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no From debbugs-submit-bounces@debbugs.gnu.org Thu Apr 21 09:11:31 2022 Received: (at control) by debbugs.gnu.org; 21 Apr 2022 13:11:31 +0000 Received: from localhost ([127.0.0.1]:48677 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nhWao-0000DS-Dy for submit@debbugs.gnu.org; Thu, 21 Apr 2022 09:11:31 -0400 Received: from quimby.gnus.org ([95.216.78.240]:56184) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nhWam-0000D0-JB for control@debbugs.gnu.org; Thu, 21 Apr 2022 09:11:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Subject:From:To:Message-Id:Date:Sender:Reply-To:Cc: MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=bC4LntKBUDgJlEytOaZhs+XK7eEYl9ptAs5FTn3ODWQ=; b=qEFacs2ghBJ1M81OZlLLjNVXeS w7EueHrKSkbYnRK4xXIOCsA9/Xfr0yrFRfqgiKNxBKBi3t0Ky8Xckz+lMUC7dFWcXgQZEF4fjNIVi 3S8CVHhFzfHhLEh4H1QOg1NzDgIV5DvMNtlPiw0hIH5VhrHozGDaObtep5d9uQ9s4Fic=; Received: from [84.212.220.105] (helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nhWae-0005Gd-Sy for control@debbugs.gnu.org; Thu, 21 Apr 2022 15:11:22 +0200 Date: Thu, 21 Apr 2022 15:11:19 +0200 Message-Id: <87a6ce7f9k.fsf@gnus.org> To: control@debbugs.gnu.org From: Lars Ingebrigtsen Subject: control message for bug #31715 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: close 31715 29.1 quit 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: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) close 31715 29.1 quit