From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#72328: [PATCH] Nested backquote in pcase Date: Mon, 29 Jul 2024 21:05:11 +0200 Message-ID: <8734nsrpco.fsf@web.de> References: <87jzh62vtr.fsf@gmail.com> <877cd5k1ra.fsf@web.de> <871q3d347e.fsf@gmail.com> <877cd4rxqo.fsf@web.de> <87v80o14by.fsf@gmail.com> Reply-To: Michael Heerdegen Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="3453"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: 72328@debbugs.gnu.org To: Thuna Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jul 29 21:05:19 2024 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1sYVgN-0000g8-3S for geb-bug-gnu-emacs@m.gmane-mx.org; 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Mon, 29 Jul 2024 15:04:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1722279860; x=1722884660; i=michael_heerdegen@web.de; bh=CI72t5SQYsb58Rb/+mhY1d5tjlgf2Oy/z7jjtbFV05k=; h=X-UI-Sender-Class:From:To:Cc:Subject:In-Reply-To:References:Date: Message-ID:MIME-Version:Content-Type:cc:content-transfer-encoding: content-type:date:from:message-id:mime-version:reply-to:subject: to; b=Ovo9+l7t03jEBYeKaIWWrD9tOKGFuAKyBXlw2+/cckjOE7ulhbERf+6Dc3Tx9Asn G9WMroR0/c8xoWj/ycxoUkG9uaVGixbo67AUghvzHRKuCZbdA78ZETvR9eeeVuWQU g0nczlxRK1yfoyOgCSOZR98CZGiDX+CaSB18WIQ4bOl2Qg8hJCOKp6p84xY3tZwqF kPXuYOg8le5EpXTW7LO61+P7pcrOPrGctmJeOZmoazq9TkQsFpoOb/ZD8FxSlVAPi 9AbBqBhM1tPXJKXksqWGcZKubulKOk8anQHWzRbSWCWiaRKWXvatuVXfyAvN2/1x3 fDuRRojYaDda5DYG+A== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Original-Received: from drachen.dragon ([84.59.210.113]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1MtPre-1sHFxy1kwI-01783o; Mon, 29 Jul 2024 21:04:20 +0200 In-Reply-To: <87v80o14by.fsf@gmail.com> (Thuna's message of "Mon, 29 Jul 2024 19:43:45 +0200") X-Provags-ID: V03:K1:6PR6Nh8yfVXUXXazRLelFK70F8MxcLzNpUiW7ghcXXHDQg6THu6 twkVoLJKU50S1++q8Y3IqD2cvsWgkgJ4wsUhfkjob+Xx9m1xGOtnJtnM9pmFWLpdPKZEkFD QfLRKylPZ6nh+nabitCRSOYskIOo532GlSiU+9utOSGKB/kAn7CbwsCW1q1mv1mW/PxoW3C DIv/gdtw26XDtCspEpT2Q== UI-OutboundReport: notjunk:1;M01:P0:ti2wcrOEK0w=;OuTNRHi+VhtihGG8vswp5aOfIWK 5WP+xEu4qmWC/B2p4Ttwysib9chl+3oNr8Ak4UNigKCI14cxPIMeP5dYEXH92hBtWpvE0FJ7W zLFTD5MmUdYlEKXCiAfalJ0istJw7fngfkwCdRNhNkzsxLpOlNEEKNSOVdj1M+z/eXXW3mCO4 OLbo5qbmTAMK5KYILQx6DmpJzkEbZvF5NppoadQc+PRsEJ/4W+qlUm8gLofRdUVgNpUVm9shu va/3DDyOTkCWIeX53RAI3xEb5Et7REuZDUixXMF1c6meOwj5+Ty8++ZuAQKt0R7pzNMSU5II1 qREXt+eIxYwXOw3bE7cLJHsbW6hol8GpHF9gTCyGb5GvNyzlLxmDxIUkJma913Lv1ymRWgSRc UTXDxNoq2TxT5yHbYQS5M3kb0zRnSLGJPdvKRD1eYFfMlhBaRdFRxKBeYs7ggAgwLpZBYnLUy T/jJ/wyufdu8sePebkZG+vIWr4mrJrYNbGHVF+25n6m6JPOuKgwYGtX69cWmdmjPNGWpm0ZDb X9icUzF7C71RwTQm5BcEwsia1JszhDsj2dekL7IUhbIozfJUWo5YkkV51ok1S8plJ1OSurJ+N Sd8XwYyHfNVsM6F9HlwzifLdNXz2Kw0MPawaSyCccE+ymcpMyY5/zkprU2quJB/5rBlPz8l5T OPOgLXeKvd1FSJtF4GgDHehwds59GODv1LSqisBTrW/JhEz8C8U6t16Gg5zTYoBMHdTfs4EQ1 AaM1Q7KLG0XuA0D3N0mauVJM+mc792warapOBHZTAL5uxyKkjQwkOIOuP50Mb4HAC66SG9sW X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:289530 Archived-At: Thuna writes: > Your example would remain perfectly consistent under the new behavior. > What *wouldn't*, however, is something like > > (let ((a 1) (b 2)) > (pcase `(69 foo `(,bar ,,a ((,,b)))) > (`(69 foo `(,bar ,,a ((,,b)))) > (list a b)))) > > Which currently errors on two counts: 1. ,,a in the pattern first > expands the initial , as though it escape the backquote pattern (not the > one before (,bar...) but the one before (69...)) and tries to match the > object - which is (\, 1) - against the pattern ,a which is of course > nonsense so the macroexpansion fails. 2. ,bar in the pattern tries to > match the corresponding object - which is (\, bar) - against the pattern > `bar' which binds the object - once again (\, bar) - to `bar'. I see, thanks. Yes, I misinterpreted what you wanted to do in your patch. > Do you disagree that the result of this form should also be (1 2)? Maybe. I have to think about it. Michael.