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Tue, 30 Jan 2024 04:11:46 -0800 (PST) Received: from platypus.localdomain ([62.23.166.218]) by smtp.gmail.com with ESMTPSA id f9-20020a056000036900b00339307d9d31sm10569894wrf.112.2024.01.30.04.11.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jan 2024 04:11:46 -0800 (PST) From: arthur.cohen@embecosm.com To: gcc-patches@gcc.gnu.org Cc: gcc-rust@gcc.gnu.org, Jakub Dupak Subject: [COMMITTED 077/101] gccrs: TyTy: SubstitutionRef cast specialization Date: Tue, 30 Jan 2024 13:07:33 +0100 Message-ID: <20240130121026.807464-80-arthur.cohen@embecosm.com> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20240130121026.807464-2-arthur.cohen@embecosm.com> References: <20240130121026.807464-2-arthur.cohen@embecosm.com> MIME-Version: 1.0 X-Spam-Status: No, score=-14.2 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, T_SCC_BODY_TEXT_LINE autolearn=ham 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: 2.1.30 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+incoming=patchwork.ozlabs.org@gcc.gnu.org From: Jakub Dupak Allows skipping parent check when casting. gcc/rust/ChangeLog: * typecheck/rust-tyty.h (BaseType::is): Cast API. (SubstitutionRef>): Cast API. (BaseType::as): Cast API. (BaseType::try_as): Cast API. Signed-off-by: Jakub Dupak --- gcc/rust/typecheck/rust-tyty.h | 78 ++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/gcc/rust/typecheck/rust-tyty.h b/gcc/rust/typecheck/rust-tyty.h index 6ce760df66e..2ed407ee169 100644 --- a/gcc/rust/typecheck/rust-tyty.h +++ b/gcc/rust/typecheck/rust-tyty.h @@ -1575,6 +1575,84 @@ BaseType::is () const return this->is (); } +template <> +WARN_UNUSED_RESULT inline bool +BaseType::is () const +{ + auto kind = this->get_kind (); + return kind == FNPTR || kind == FNDEF || kind == CLOSURE || kind == ADT + || kind == PROJECTION; +} + +template <> +WARN_UNUSED_RESULT inline bool +BaseType::is () const +{ + return this->is (); +} + +template <> +WARN_UNUSED_RESULT inline SubstitutionRef * +BaseType::as () +{ + auto kind = this->get_kind (); + switch (kind) + { + case FNDEF: + return static_cast (this); + case CLOSURE: + return static_cast (this); + case ADT: + return static_cast (this); + case PROJECTION: + return static_cast (this); + default: + rust_unreachable (); + } +} + +template <> +WARN_UNUSED_RESULT inline const SubstitutionRef * +BaseType::as () const +{ + auto kind = this->get_kind (); + switch (kind) + { + case FNDEF: + return static_cast (this); + case CLOSURE: + return static_cast (this); + case ADT: + return static_cast (this); + case PROJECTION: + return static_cast (this); + default: + rust_unreachable (); + } +} + +template <> +WARN_UNUSED_RESULT inline SubstitutionRef * +BaseType::try_as () +{ + if (this->is ()) + { + return this->as (); + } + return nullptr; +} + +template <> +WARN_UNUSED_RESULT inline const SubstitutionRef * +BaseType::try_as () const +{ + if (this->is ()) + { + return this->as (); + } + return nullptr; +} + } // namespace TyTy } // namespace Rust