From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-00641c01.pphosted.com (mx0a-00641c01.pphosted.com [205.220.165.146]) by sourceware.org (Postfix) with ESMTPS id 97C1E3858C5F; Fri, 20 Oct 2023 14:08:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 97C1E3858C5F Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=gcc.gnu.org Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=gcc.gnu.org ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 97C1E3858C5F Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=205.220.165.146 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1697810937; cv=none; b=pYWPASFvah3gA4SlcUsVlQX7+kOi/IXOI1L/agfoCrljlY48HggeSfBp4gdsErmdttYliYKSHeRFOvy7yD3QASu2bdzIyFqZJA2RL3I8jA3lO7ZPk93eYMP2SemhnzcUNEYQpf4G3RclU0u7XPw9czPK0gqMXlwSa44pPqOac34= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1697810937; c=relaxed/simple; bh=NhasjZWVUqUpZZmXqS8d6jkCFZVEX8IRPI+dI1G5T3g=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=os0v/khemEz+88EFtMhgJYuyQ+s0Em3aQmmZwHb5LY0qf1lkR2PezWKkl9QGKyeva0eT25TOR6nqGMYjKE37N598KAjnRKgkGsH+8JD6EuQZ+BLLm0iQzPN8iXF0H4aTfIekqsHLWDpRv2R03wy2yUHws58yJmUGyc46ayeRmeM= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247473.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 39KE5mjx006222; Fri, 20 Oct 2023 14:08:54 GMT Received: from mxout26.s.uw.edu (mxout26.s.uw.edu [140.142.234.176]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3tuc2c4sta-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 20 Oct 2023 14:08:54 +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 39KE88ro032132 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 20 Oct 2023 07:08:08 -0700 X-Auth-Received: from kmatsui-ThinkPad-X1-Carbon-Gen-9.dhcp4.washington.edu ([10.19.18.191]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 39KDvqKO011267 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 20 Oct 2023 07:08:08 -0700 X-UW-Orig-Sender: kmatsui@smtp.washington.edu From: Ken Matsui To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, Ken Matsui Subject: [PATCH v23 10/33] c++: Implement __is_unbounded_array built-in trait Date: Fri, 20 Oct 2023 06:53:29 -0700 Message-ID: <20231020135748.1846670-11-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231020135748.1846670-1-kmatsui@gcc.gnu.org> References: <20231017113822.677344-1-kmatsui@gcc.gnu.org> <20231020135748.1846670-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: VMR2xWg-kL_Clu26SepclbKUWfKnmaqK X-Proofpoint-ORIG-GUID: VMR2xWg-kL_Clu26SepclbKUWfKnmaqK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-20_10,2023-10-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 adultscore=0 clxscore=1034 suspectscore=0 phishscore=0 bulkscore=0 lowpriorityscore=0 malwarescore=0 mlxlogscore=728 priorityscore=1501 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2310170001 definitions=main-2310200116 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,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 List-Id: 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 b9f89fe178c..292b941e6a0 100644 --- a/gcc/cp/constraint.cc +++ b/gcc/cp/constraint.cc @@ -3797,6 +3797,9 @@ 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 99bc05360b9..4e02f68e4a9 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 8d5874d6ab0..bd73323e6db 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12217,6 +12217,9 @@ 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; @@ -12384,6 +12387,7 @@ 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); -- 2.42.0