From patchwork Fri Sep 15 02:34:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ken Matsui X-Patchwork-Id: 1834625 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.a=rsa-sha256 header.s=default header.b=ZU3nCjrS; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=8.43.85.97; helo=server2.sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=patchwork.ozlabs.org) Received: from server2.sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RmzFr1k4lz1yhR for ; 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Fri, 15 Sep 2023 02:37:07 GMT Received: from mxout26.s.uw.edu (mxout26.s.uw.edu [140.142.234.176]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3t3rxxravk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 02:37:07 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.54]) by mxout26.s.uw.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 38F2agXc017050 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 14 Sep 2023 19:36:42 -0700 X-Auth-Received: from localhost.localdomain ([10.154.75.179]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 38F2ago0001192 (version=TLSv1.2 cipher=DHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Thu, 14 Sep 2023 19:36:42 -0700 X-UW-Orig-Sender: kmatsui@smtp.washington.edu To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, Ken Matsui Subject: [PATCH v13 08/40] c++: Implement __is_unbounded_array built-in trait Date: Thu, 14 Sep 2023 19:34:48 -0700 Message-ID: <20230915023640.75216-9-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230915023640.75216-1-kmatsui@gcc.gnu.org> References: <20230915022305.74083-1-kmatsui@gcc.gnu.org> <20230915023640.75216-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: hfIWrf6OZvrXrG2EOgTRONc13F56yQz2 X-Proofpoint-GUID: hfIWrf6OZvrXrG2EOgTRONc13F56yQz2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-15_02,2023-09-14_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 suspectscore=0 mlxlogscore=718 malwarescore=0 bulkscore=0 mlxscore=0 clxscore=1034 priorityscore=1501 impostorscore=0 lowpriorityscore=0 phishscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309150021 X-Spam-Status: No, score=-13.2 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NEUTRAL, 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: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Ken Matsui via Gcc-patches From: Ken Matsui Reply-To: Ken Matsui Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" This patch implements built-in trait for std::is_unbounded_array. gcc/cp/ChangeLog: * cp-trait.def: Define __is_unbounded_array. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_UNBOUNDED_ARRAY. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. gcc/testsuite/ChangeLog: * g++.dg/ext/has-builtin-1.C: Test existence of __is_unbounded_array. * g++.dg/ext/is_unbounded_array.C: New test. Signed-off-by: Ken Matsui --- gcc/cp/constraint.cc | 3 ++ gcc/cp/cp-trait.def | 1 + gcc/cp/semantics.cc | 4 ++ gcc/testsuite/g++.dg/ext/has-builtin-1.C | 3 ++ gcc/testsuite/g++.dg/ext/is_unbounded_array.C | 37 +++++++++++++++++++ 5 files changed, 48 insertions(+) create mode 100644 gcc/testsuite/g++.dg/ext/is_unbounded_array.C diff --git a/gcc/cp/constraint.cc b/gcc/cp/constraint.cc index 5e30a4a907a..751ac61b25a 100644 --- a/gcc/cp/constraint.cc +++ b/gcc/cp/constraint.cc @@ -3796,6 +3796,9 @@ diagnose_trait_expr (tree expr, tree args) case CPTK_IS_TRIVIALLY_COPYABLE: inform (loc, " %qT is not trivially copyable", t1); break; + case CPTK_IS_UNBOUNDED_ARRAY: + inform (loc, " %qT is not an unbounded array", t1); + break; case CPTK_IS_UNION: inform (loc, " %qT is not a union", t1); break; diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def index c9106242bc8..1e67a3d2089 100644 --- a/gcc/cp/cp-trait.def +++ b/gcc/cp/cp-trait.def @@ -83,6 +83,7 @@ DEFTRAIT_EXPR (IS_TRIVIAL, "__is_trivial", 1) DEFTRAIT_EXPR (IS_TRIVIALLY_ASSIGNABLE, "__is_trivially_assignable", 2) DEFTRAIT_EXPR (IS_TRIVIALLY_CONSTRUCTIBLE, "__is_trivially_constructible", -1) DEFTRAIT_EXPR (IS_TRIVIALLY_COPYABLE, "__is_trivially_copyable", 1) +DEFTRAIT_EXPR (IS_UNBOUNDED_ARRAY, "__is_unbounded_array", 1) DEFTRAIT_EXPR (IS_UNION, "__is_union", 1) DEFTRAIT_EXPR (IS_VOLATILE, "__is_volatile", 1) DEFTRAIT_EXPR (REF_CONSTRUCTS_FROM_TEMPORARY, "__reference_constructs_from_temporary", 2) diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc index 8d5d443d9a9..fd7bdf7a293 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12202,6 +12202,9 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2) case CPTK_IS_TRIVIALLY_COPYABLE: return trivially_copyable_p (type1); + case CPTK_IS_UNBOUNDED_ARRAY: + return array_of_unknown_bound_p (type1); + case CPTK_IS_UNION: return type_code1 == UNION_TYPE; @@ -12369,6 +12372,7 @@ finish_trait_expr (location_t loc, cp_trait_kind kind, tree type1, tree type2) case CPTK_IS_CONST: case CPTK_IS_ENUM: case CPTK_IS_SAME: + case CPTK_IS_UNBOUNDED_ARRAY: case CPTK_IS_UNION: case CPTK_IS_VOLATILE: break; diff --git a/gcc/testsuite/g++.dg/ext/has-builtin-1.C b/gcc/testsuite/g++.dg/ext/has-builtin-1.C index 645cabe088e..90997210c12 100644 --- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C +++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C @@ -131,6 +131,9 @@ #if !__has_builtin (__is_trivially_copyable) # error "__has_builtin (__is_trivially_copyable) failed" #endif +#if !__has_builtin (__is_unbounded_array) +# error "__has_builtin (__is_unbounded_array) failed" +#endif #if !__has_builtin (__is_union) # error "__has_builtin (__is_union) failed" #endif diff --git a/gcc/testsuite/g++.dg/ext/is_unbounded_array.C b/gcc/testsuite/g++.dg/ext/is_unbounded_array.C new file mode 100644 index 00000000000..1307d24f5a5 --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/is_unbounded_array.C @@ -0,0 +1,37 @@ +// { dg-do compile { target c++11 } } + +#include + +using namespace __gnu_test; + +#define SA(X) static_assert((X),#X) + +#define SA_TEST_CATEGORY(TRAIT, TYPE, EXPECT) \ + SA(TRAIT(TYPE) == EXPECT); \ + SA(TRAIT(const TYPE) == EXPECT); \ + SA(TRAIT(volatile TYPE) == EXPECT); \ + SA(TRAIT(const volatile TYPE) == EXPECT) + +SA_TEST_CATEGORY(__is_unbounded_array, int[2], false); +SA_TEST_CATEGORY(__is_unbounded_array, int[], true); +SA_TEST_CATEGORY(__is_unbounded_array, int[2][3], false); +SA_TEST_CATEGORY(__is_unbounded_array, int[][3], true); +SA_TEST_CATEGORY(__is_unbounded_array, float*[2], false); +SA_TEST_CATEGORY(__is_unbounded_array, float*[], true); +SA_TEST_CATEGORY(__is_unbounded_array, float*[2][3], false); +SA_TEST_CATEGORY(__is_unbounded_array, float*[][3], true); +SA_TEST_CATEGORY(__is_unbounded_array, ClassType[2], false); +SA_TEST_CATEGORY(__is_unbounded_array, ClassType[], true); +SA_TEST_CATEGORY(__is_unbounded_array, ClassType[2][3], false); +SA_TEST_CATEGORY(__is_unbounded_array, ClassType[][3], true); +SA_TEST_CATEGORY(__is_unbounded_array, IncompleteClass[2][3], false); +SA_TEST_CATEGORY(__is_unbounded_array, IncompleteClass[][3], true); +SA_TEST_CATEGORY(__is_unbounded_array, int(*)[2], false); +SA_TEST_CATEGORY(__is_unbounded_array, int(*)[], false); +SA_TEST_CATEGORY(__is_unbounded_array, int(&)[2], false); +SA_TEST_CATEGORY(__is_unbounded_array, int(&)[], false); + +// Sanity check. +SA_TEST_CATEGORY(__is_unbounded_array, ClassType, false); +SA_TEST_CATEGORY(__is_unbounded_array, IncompleteClass, false); +SA_TEST_CATEGORY(__is_unbounded_array, IncompleteUnion, false);