From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on starla X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 Received: from nue.mailmanlists.eu (nue.mailmanlists.eu [94.130.110.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id 7B28E1F508 for ; Mon, 20 Jan 2025 05:02:27 +0000 (UTC) Authentication-Results: dcvr.yhbt.net; dkim=pass (1024-bit key; unprotected) header.d=ml.ruby-lang.org header.i=@ml.ruby-lang.org header.a=rsa-sha256 header.s=mail header.b=u185KZFS; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ruby-lang.org header.i=@ruby-lang.org header.a=rsa-sha256 header.s=s1 header.b=RcBjyak4; dkim-atps=neutral DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ml.ruby-lang.org; s=mail; t=1737349314; bh=Kxo5y9IR9S91OXfpvMVLf0L8CwVWzhrWhG/PYs9Wm8w=; h=Date:References:To:Reply-To:Subject:List-Id:List-Archive: List-Help:List-Owner:List-Post:List-Subscribe:List-Unsubscribe: From:Cc:From; b=u185KZFSXZU7pbCZLjND2cwLnXrAtIZeWi3ttkZglvFfKW9XD7GFDTveFGuL+dSHW +aTaNia2WjcXGP9YP3YpVE0M6nEdKSiMObW1F+PMoLayJHLLWXj6Zk+5aPdHXDN6NZ YnwNH5sTXNTLvGEpwciXldt12o6t14jFDKN4bwWI= Received: from nue.mailmanlists.eu (localhost [IPv6:::1]) by nue.mailmanlists.eu (Postfix) with ESMTP id E5C4946819 for ; Mon, 20 Jan 2025 05:01:54 +0000 (UTC) Authentication-Results: nue.mailmanlists.eu; dkim=pass (2048-bit key; unprotected) header.d=ruby-lang.org header.i=@ruby-lang.org header.a=rsa-sha256 header.s=s1 header.b=RcBjyak4; dkim-atps=neutral Received: from s.wfbtzhsv.outbound-mail.sendgrid.net (s.wfbtzhsv.outbound-mail.sendgrid.net [159.183.224.104]) by nue.mailmanlists.eu (Postfix) with ESMTPS id 5A7AF449FA for ; Mon, 20 Jan 2025 05:01:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ruby-lang.org; h=from:references:subject:mime-version:content-type: content-transfer-encoding:list-id:to:cc:content-type:from:subject:to; s=s1; bh=sTZkEm5f2aoL+Aoh+P1KiQ1ohx3yUyT6LHCdmtiCcAM=; b=RcBjyak43+33CfzD4ZL1+yJUo8ZLUTLSw4hULXVZR8YuNClOKpZhbFGkvTWD4GClBwB3 xADWa8lJuLptQ+q4FvkBzLHHe7qAaJwgs+tvG6M8rluXQMDOiFpj3Yhwvb/XNswwGkPhbk DNXae6han2waeg6GebRGNJVDGv3uQ8ENpRh460ZZOvn5aEowVzRiypvsxllFPLYZ1RrAiW vvB0XooU0s13HYZ84C9VkHcd21Kxd1nlWDw7ir0B7k8HcNUpLa1NeyKZqhhZ2rs9GJg+3f S26P9yzJGwVYxyjJGTDR7QtrchPZAkdzvxCI5zaE6uXG1E80e3moZhTxBwPD30AA== Received: by recvd-5c8ccdbd88-v888f with SMTP id recvd-5c8ccdbd88-v888f-1-678DD8BD-7 2025-01-20 05:01:49.494086843 +0000 UTC m=+5730013.601666928 Received: from herokuapp.com (unknown) by geopod-ismtpd-35 (SG) with ESMTP id u21I_ovbS_mqs38vgZNNLg for ; Mon, 20 Jan 2025 05:01:49.487 +0000 (UTC) Date: Mon, 20 Jan 2025 05:01:49 +0000 (UTC) Message-ID: References: Mime-Version: 1.0 X-Redmine-Project: ruby-master X-Redmine-Issue-Tracker: Bug X-Redmine-Issue-Id: 21048 X-Redmine-Issue-Author: Earlopain X-Redmine-Issue-Priority: Normal X-Redmine-Sender: nobu X-Mailer: Redmine X-Redmine-Host: bugs.ruby-lang.org X-Redmine-Site: Ruby Issue Tracking System X-Auto-Response-Suppress: All Auto-Submitted: auto-generated X-Redmine-MailingListIntegration-Message-Ids: 97427 X-SG-EID: =?us-ascii?Q?u001=2E5PtzXJ23KrYzgM1nrOIr+EQ222PyrDaWSg0Er8CZ8tP86xyXmBM81zBKD?= =?us-ascii?Q?HreavdFYMbHjxXOR6UPMkt=2Fu9CyBIp6y52n8D2y?= =?us-ascii?Q?qA9zqurrgUex2R8HxbTdnEIb7vEGsGAgEhlO8bw?= =?us-ascii?Q?lt6L9iE0v3YmKwRU9uIkMosFu5SrjB4m0O0KtV+?= =?us-ascii?Q?VGEbwFVX3XpesWarVTAMOWeqBM1oK38jj401BJ7?= =?us-ascii?Q?aJ47ljLNqTjwop5Ux=2FOT1edMLiLItLBZ1eiFf6k?= =?us-ascii?Q?hZtFhDPH5mLZNTbewKx3EyURGw=3D=3D?= To: ruby-core@ml.ruby-lang.org X-Entity-ID: u001.I8uzylDtAfgbeCOeLBYDww== Message-ID-Hash: MDYAUEZ43MQYFWQ7QOWPH5WR7CTK4CYH X-Message-ID-Hash: MDYAUEZ43MQYFWQ7QOWPH5WR7CTK4CYH X-MailFrom: bounces+313651-b711-ruby-core=ml.ruby-lang.org@em5188.ruby-lang.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list Reply-To: Ruby developers Subject: [ruby-core:120741] [Ruby master Bug#21048] [Prism] rescue in modifier form with condition behaves differently List-Id: Ruby developers Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: "nobu (Nobuyoshi Nakada) via ruby-core" Cc: "nobu (Nobuyoshi Nakada)" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Issue #21048 has been updated by nobu (Nobuyoshi Nakada). Earlopain (Earlopain _) wrote: > Prism interprets it as `(foo rescue nil) if false`, not calling the method. `parse.y` does `foo rescue (nil if false)` since at least Ruby 2.0 Inverse? > ```sh > $ ruby -v > ruby 3.5.0dev (2025-01-19T12:44:20Z master f27ed98eff) +PRISM [x86_64-linux] > > $ ruby code.rb > Called: true > > $ ruby --parser=parse.y code.rb > Called: false > ``` ---------------------------------------- Bug #21048: [Prism] rescue in modifier form with condition behaves differently https://bugs.ruby-lang.org/issues/21048#change-111572 * Author: Earlopain (Earlopain _) * Status: Open * ruby -v: ruby 3.4.1 (2024-12-25 revision 48d4efcb85) +PRISM [x86_64-linux] * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- With the following code there is a discrepancy in how prism and parse.y consider precedence: ```rb $called = false def foo $called = true end foo rescue nil if false puts "Called: #{$called}" ``` Prism interprets it as `(foo rescue nil) if false`, not calling the method. `parse.y` does `foo rescue (nil if false)` since at least Ruby 2.0 ```sh $ ruby -v ruby 3.5.0dev (2025-01-19T12:44:20Z master f27ed98eff) +PRISM [x86_64-linux] $ ruby code.rb Called: true $ ruby --parser=parse.y code.rb Called: false ``` -- https://bugs.ruby-lang.org/ ______________________________________________ ruby-core mailing list -- ruby-core@ml.ruby-lang.org To unsubscribe send an email to ruby-core-leave@ml.ruby-lang.org ruby-core info -- https://ml.ruby-lang.org/mailman3/lists/ruby-core.ml.ruby-lang.org/