From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp106.ord1d.emailsrvr.com (smtp106.ord1d.emailsrvr.com [184.106.54.106]) by sourceware.org (Postfix) with ESMTPS id CA50A38582AE for ; Mon, 25 Jul 2022 18:00:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org CA50A38582AE X-Auth-ID: tom@honermann.net Received: by smtp6.relay.ord1d.emailsrvr.com (Authenticated sender: tom-AT-honermann.net) with ESMTPSA id 5AF2DE00E8; Mon, 25 Jul 2022 13:59:58 -0400 (EDT) From: Tom Honermann To: gcc-patches@gcc.gnu.org Subject: [PATCH 0/3] Implement C2X N2653 (char8_t) and correct UTF-8 character literal type in preprocessor directives for C++ Date: Mon, 25 Jul 2022 13:59:45 -0400 Message-Id: <20220725175948.1424695-1-tom@honermann.net> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Classification-ID: b7f150fc-14e1-4703-aa58-6102617532c5-1-1 X-Spam-Status: No, score=-3.8 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP 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: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jul 2022 18:00:04 -0000 This patch series provides an implementation and tests for the WG14 N2653 paper as adopted for C2X. Additionally, a fix is included for the C++ preprocessor to treat UTF-8 character literals in preprocessor directives as an unsigned type in char8_t enabled modes (in C++17 and earlier with -fchar8_t or in C++20 or later without -fno-char8_t). Tom Honermann (3): C: Implement C2X N2653 char8_t and UTF-8 string literal changes testsuite: Add tests for C2X N2653 char8_t and UTF-8 string literal changes c++/106426: Treat u8 character literals as unsigned in char8_t modes. gcc/c-family/c-lex.cc | 13 ++++-- gcc/c-family/c-opts.cc | 5 ++- gcc/c/c-parser.cc | 16 ++++++- gcc/c/c-typeck.cc | 2 +- gcc/ginclude/stdatomic.h | 8 ++++ .../g++.dg/ext/char8_t-char-literal-1.C | 6 ++- .../g++.dg/ext/char8_t-char-literal-2.C | 4 ++ .../atomic/c2x-stdatomic-lockfree-char8_t.c | 42 +++++++++++++++++++ .../atomic/gnu2x-stdatomic-lockfree-char8_t.c | 5 +++ gcc/testsuite/gcc.dg/c2x-predefined-macros.c | 11 +++++ gcc/testsuite/gcc.dg/c2x-utf8str-type.c | 6 +++ gcc/testsuite/gcc.dg/c2x-utf8str.c | 34 +++++++++++++++ .../gcc.dg/gnu2x-predefined-macros.c | 5 +++ gcc/testsuite/gcc.dg/gnu2x-utf8str-type.c | 5 +++ gcc/testsuite/gcc.dg/gnu2x-utf8str.c | 34 +++++++++++++++ libcpp/charset.cc | 4 +- libcpp/include/cpplib.h | 4 +- libcpp/init.cc | 1 + 18 files changed, 191 insertions(+), 14 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/atomic/c2x-stdatomic-lockfree-char8_t.c create mode 100644 gcc/testsuite/gcc.dg/atomic/gnu2x-stdatomic-lockfree-char8_t.c create mode 100644 gcc/testsuite/gcc.dg/c2x-predefined-macros.c create mode 100644 gcc/testsuite/gcc.dg/c2x-utf8str-type.c create mode 100644 gcc/testsuite/gcc.dg/c2x-utf8str.c create mode 100644 gcc/testsuite/gcc.dg/gnu2x-predefined-macros.c create mode 100644 gcc/testsuite/gcc.dg/gnu2x-utf8str-type.c create mode 100644 gcc/testsuite/gcc.dg/gnu2x-utf8str.c -- 2.32.0