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[8.43.85.97]) by mx.google.com with ESMTPS id c7-20020aa7d607000000b0050295f8cff8si752691edr.366.2023.04.05.07.53.05 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Apr 2023 07:53:06 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) client-ip=8.43.85.97; Authentication-Results: mx.google.com; dkim=pass header.i=@embecosm.com header.s=google header.b=Ii1TjqxK; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org" Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 3922F3A4A6F2 for ; Wed, 5 Apr 2023 14:19:32 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by sourceware.org (Postfix) with ESMTPS id 0A5EE3851C31 for ; Wed, 5 Apr 2023 14:06:20 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 0A5EE3851C31 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=embecosm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=embecosm.com Received: by mail-wm1-x335.google.com with SMTP id hg25-20020a05600c539900b003f05a99a841so4128512wmb.3 for ; Wed, 05 Apr 2023 07:06:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=embecosm.com; s=google; t=1680703578; h=content-transfer-encoding:mime-version:reply-to:references :in-reply-to:message-id:date:subject:cc:to:from:from:to:cc:subject :date:message-id:reply-to; bh=krf/8l0AgriaRegJytwFoqtZEhTeVlcAd3ZbvcFM/Zo=; b=Ii1TjqxK3IC3fiaRWwNsNhpzgYRUBqsUCGkZ1ZW53mT3Z/UhUcrfNfqNTiKAQdi5UY PMwiTbV8FjMTJjq2Ee5EIhvPwLw4o5+oFe5ySE2zMN1+OK/YlEi5Es2pa+z2Gf67v8r/ ML5Hd+Ln9UzP6tvltYYE+h5m6zT+0iitWk9Ub6FwAXh6zkMhwuOmqGes+waMunWw+bBF DyYScMDj00tm5d+XIN/PW5jVOv+qvTmBzEzuP+oWjVd1BjZ53VzGFyLjPTfnTbi6vYcN bOkJLot5J0hxPneiVrlOV64XOY3V9v0KtMDfKtMt44mV7XbqveptHdvHHxe6Bly2NcT5 wvgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680703578; h=content-transfer-encoding:mime-version:reply-to:references :in-reply-to:message-id:date:subject:cc:to:from:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=krf/8l0AgriaRegJytwFoqtZEhTeVlcAd3ZbvcFM/Zo=; b=E7PSwyNOUSkINFMRJi62hDwbgZxr2nBOFBYjnIMOrudTKJi1OGjKO4EIIrhBOqFWcm Fo4k3iOE/CQJiDDged/k6F6tP9nfAahtcIMa+u49gUI/olx285d1hQybZCbqOX7sF+a1 R0JlJSNZSkX8SYCUrZpVmdXF0m2qwVg+38S1AFYMnD6GprIgfTyICLLh14jbEYGarZem vSQvLi/Avfrmf35gf8qc6KCysrNkBJauO3md2peBKxBcky0rcsKd+Q/qz+1bQ1K/EG/E GEaqMHJGgS8VDFeQy4dyGuii2Z5M4eNCWRRIR3Ds4v3SRMRLiMq4T6bzqv1aMI45Y2Da Fg1Q== X-Gm-Message-State: AAQBX9dMR9ys80RqQ+dFglV3s9DcPijed21izPO6394/ILYeEugfFFtj 7YJ8M9S8bn90RXHwX1Y/XRpC0E9gNKEz9xLWfg== X-Received: by 2002:a05:600c:3658:b0:3ef:4138:9eef with SMTP id y24-20020a05600c365800b003ef41389eefmr4855498wmq.36.1680703578519; Wed, 05 Apr 2023 07:06:18 -0700 (PDT) Received: from platypus.localdomain ([62.23.166.218]) by smtp.gmail.com with ESMTPSA id ay8-20020a05600c1e0800b003edddae1068sm2330150wmb.9.2023.04.05.07.06.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Apr 2023 07:06:17 -0700 (PDT) From: arthur.cohen@embecosm.com To: gcc-patches@gcc.gnu.org Cc: gcc-rust@gcc.gnu.org, Owen Avery Subject: [committed 71/88] gccrs: Add support for parsing empty tuple patterns. Date: Wed, 5 Apr 2023 16:03:55 +0200 Message-Id: <20230405140411.3016563-72-arthur.cohen@embecosm.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230405140411.3016563-1-arthur.cohen@embecosm.com> References: <20230405140411.3016563-1-arthur.cohen@embecosm.com> MIME-Version: 1.0 X-Spam-Status: No, score=-14.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: arthur.cohen@embecosm.com Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1762348379843909326?= X-GMAIL-MSGID: =?utf-8?q?1762348379843909326?= From: Owen Avery gcc/rust/ChangeLog: * parse/rust-parse-impl.h (Parser::parse_grouped_or_tuple_pattern): Add support for empty tuple patterns. gcc/testsuite/ChangeLog: * rust/compile/parse_empty_tuple_pattern.rs: New test. Signed-off-by: Owen Avery --- gcc/rust/parse/rust-parse-impl.h | 9 +++++++++ gcc/testsuite/rust/compile/parse_empty_tuple_pattern.rs | 3 +++ 2 files changed, 12 insertions(+) create mode 100644 gcc/testsuite/rust/compile/parse_empty_tuple_pattern.rs diff --git a/gcc/rust/parse/rust-parse-impl.h b/gcc/rust/parse/rust-parse-impl.h index 4ceb978f7f4..cc5436cff63 100644 --- a/gcc/rust/parse/rust-parse-impl.h +++ b/gcc/rust/parse/rust-parse-impl.h @@ -10926,6 +10926,15 @@ Parser::parse_grouped_or_tuple_pattern () return std::unique_ptr ( new AST::TuplePattern (std::move (items), paren_locus)); } + else if (lexer.peek_token ()->get_id () == RIGHT_PAREN) + { + skip_token (RIGHT_PAREN); + auto items = std::unique_ptr ( + new AST::TuplePatternItemsMultiple ( + std::vector> ())); + return std::unique_ptr ( + new AST::TuplePattern (std::move (items), paren_locus)); + } // parse initial pattern (required) std::unique_ptr initial_pattern = parse_pattern (); diff --git a/gcc/testsuite/rust/compile/parse_empty_tuple_pattern.rs b/gcc/testsuite/rust/compile/parse_empty_tuple_pattern.rs new file mode 100644 index 00000000000..d974d31b8ba --- /dev/null +++ b/gcc/testsuite/rust/compile/parse_empty_tuple_pattern.rs @@ -0,0 +1,3 @@ +fn main() { + let () = (); +}