From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Max Brieiev Newsgroups: gmane.emacs.devel Subject: Re: Issues with named-led and pcase inside iter-defun. Date: Tue, 12 Sep 2023 11:55:26 +0300 Message-ID: <87a5trzs75.fsf@gmail.com> References: <87leddnlka.fsf@gmail.com> <87bke82rb5.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15815"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: emacs-devel@gnu.org To: Michael Heerdegen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Sep 12 10:57:34 2023 Return-path: Envelope-to: ged-emacs-devel@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 1qfzDC-0003y0-AD for ged-emacs-devel@m.gmane-mx.org; Tue, 12 Sep 2023 10:57:34 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qfzBL-0007gc-3v; Tue, 12 Sep 2023 04:55:39 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qfzBK-0007gM-5S for emacs-devel@gnu.org; Tue, 12 Sep 2023 04:55:38 -0400 Original-Received: from mail-ej1-x62c.google.com ([2a00:1450:4864:20::62c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qfzBF-0005EX-2e for emacs-devel@gnu.org; Tue, 12 Sep 2023 04:55:37 -0400 Original-Received: by mail-ej1-x62c.google.com with SMTP id a640c23a62f3a-9a21b6d105cso681835766b.3 for ; Tue, 12 Sep 2023 01:55:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1694508929; x=1695113729; darn=gnu.org; h=mime-version:user-agent:message-id:date:mail-followup-to:references :in-reply-to:subject:cc:to:from:from:to:cc:subject:date:message-id :reply-to; bh=/fT786ndvm21VWmqFZXzBPV+nyB8JFquayRz0sLimeo=; b=MGegtawM2qotbRl+++GmMm8Hva/aC35WdGw8Cs+bjQgAjAlqnXRA7o4qSAkpUoESbo PHMyyGad/wdEDrlVKcfYmh2YHJGHsvO4eRgPzPMhJmdGMiBIALm+BQPfbTHd6rY8mlkt PLhfuc+J5dR9g0GGoIw/BNIGZl+7jNaC0Jt1Od/2LXZNnAbOixlcTMRD75XKqsBKrPff 6J3njrCRsH94A3s5Q+yXVZ+VFVsdr7fbTGPPIjVFados6+07+0kLPY+ZB8TiieVkJOZR 3iDG6FOgctCO0t4cndLLaH2A/0M5uhFkCvrbpB0rpRrsYOrxgAOh7AzQs4EBgZUtc/b0 pjlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694508929; x=1695113729; h=mime-version:user-agent:message-id:date:mail-followup-to:references :in-reply-to:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/fT786ndvm21VWmqFZXzBPV+nyB8JFquayRz0sLimeo=; b=XHL89JiE5VoMhu80R0cHabXvn5PJsD9ckadnnnBDV0AEjtDASmlkcmd/7nH3BSp/0N 3rEAxoCO8nbL5homfulj8dy54gxTHdkHDBe86OhUgb55HdHxAHpb1aCdYVldypShgIYA z16rvYp0Up3rJ5AEDlAsT76HmPTBT3/TDaTFzHLvtBvZi8TE3sBoGSiXo4kir2/9zhDN Ivya34cTLWOO9kYhlY5VH898ZGlGMfZ5KzNCLzMXBk/wqvthneEX7OlIOhr8hYJarqgy kE58rKr9vOxP+3spdEDT5yME4Urqs5OyaGnDYIBUhz9kD3QJAfSeIC9e6Cla5kDI/Rf7 cZ8w== X-Gm-Message-State: AOJu0YyX/Jwq77Ph9OICdI852bWfVImfx+xKieVvceaFVfAUfE1mHvb0 xmHw8Ztm4bgSw2UeXkczoygTxI0luLU= X-Google-Smtp-Source: AGHT+IEG3lrrCGeCC88m5WTQddYUOTFSDhN+ksfHKNNYil7KvxfNy/6Wyn6UzRyI9wyBJ2euMpmRmA== X-Received: by 2002:a17:906:8447:b0:9ad:891a:25a8 with SMTP id e7-20020a170906844700b009ad891a25a8mr880464ejy.52.1694508928568; Tue, 12 Sep 2023 01:55:28 -0700 (PDT) Original-Received: from vmax ([109.251.233.9]) by smtp.gmail.com with ESMTPSA id lj16-20020a170906f9d000b00992d0de8762sm6489378ejb.216.2023.09.12.01.55.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Sep 2023 01:55:27 -0700 (PDT) In-Reply-To: <87bke82rb5.fsf@web.de> (Michael Heerdegen's message of "Tue, 12 Sep 2023 02:01:02 +0200") Mail-Followup-To: Michael Heerdegen , emacs-devel@gnu.org Received-SPF: pass client-ip=2a00:1450:4864:20::62c; envelope-from=max.brieiev@gmail.com; helo=mail-ej1-x62c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:310507 Archived-At: Michael Heerdegen writes: > AFAIU you must avoid yielding from inside a lambda expression in > the expanded code. I see. The hard part is to know in advance what macros expand to lambda expressions. In pcase, probably some handlers expand to lambda, but some don't. So iter-yield may work in some cases, but not in others. In named-let, it probably should work when a recursive call happens in tail position. In my code, though, it is always a tail call, and yet it still fails sporadically.