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Tue, 24 Oct 2023 02:05:05 +0000 Received: from smtp.washington.edu (smtp.washington.edu [140.142.234.157]) by mxout21.s.uw.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 39O24oFO023574 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 23 Oct 2023 19:04:50 -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 39O24TmS031305 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 23 Oct 2023 19:04:50 -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 v25 30/33] c++: Implement __is_pointer built-in trait Date: Mon, 23 Oct 2023 19:01:13 -0700 Message-ID: <20231024020424.699427-31-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231024020424.699427-1-kmatsui@gcc.gnu.org> References: <20231020162115.2307797-1-kmatsui@gcc.gnu.org> <20231024020424.699427-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 X-Proofpoint-GUID: SSqhHhp5f4G0gNQ-72s4g39MpJ5W0EFe X-Proofpoint-ORIG-GUID: SSqhHhp5f4G0gNQ-72s4g39MpJ5W0EFe 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=2023-10-24_01,2023-10-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 suspectscore=0 phishscore=0 priorityscore=1501 mlxscore=0 spamscore=0 clxscore=1034 impostorscore=0 mlxlogscore=730 lowpriorityscore=0 bulkscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2310170001 definitions=main-2310240017 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 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: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780601362268509595 X-GMAIL-MSGID: 1780601362268509595 This patch implements built-in trait for std::is_pointer. gcc/cp/ChangeLog: * cp-trait.def: Define __is_pointer. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_POINTER. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. gcc/testsuite/ChangeLog: * g++.dg/ext/has-builtin-1.C: Test existence of __is_pointer. * g++.dg/ext/is_pointer.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_pointer.C | 51 ++++++++++++++++++++++++ 5 files changed, 62 insertions(+) create mode 100644 gcc/testsuite/g++.dg/ext/is_pointer.C diff --git a/gcc/cp/constraint.cc b/gcc/cp/constraint.cc index 444dbaacd78..9fce36e12d1 100644 --- a/gcc/cp/constraint.cc +++ b/gcc/cp/constraint.cc @@ -3791,6 +3791,9 @@ diagnose_trait_expr (tree expr, tree args) case CPTK_IS_POD: inform (loc, " %qT is not a POD type", t1); break; + case CPTK_IS_POINTER: + inform (loc, " %qT is not a pointer", t1); + break; case CPTK_IS_POLYMORPHIC: inform (loc, " %qT is not a polymorphic type", t1); break; diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def index 1f405f61861..05514a51c21 100644 --- a/gcc/cp/cp-trait.def +++ b/gcc/cp/cp-trait.def @@ -82,6 +82,7 @@ DEFTRAIT_EXPR (IS_NOTHROW_CONVERTIBLE, "__is_nothrow_convertible", 2) DEFTRAIT_EXPR (IS_OBJECT, "__is_object", 1) DEFTRAIT_EXPR (IS_POINTER_INTERCONVERTIBLE_BASE_OF, "__is_pointer_interconvertible_base_of", 2) DEFTRAIT_EXPR (IS_POD, "__is_pod", 1) +DEFTRAIT_EXPR (IS_POINTER, "__is_pointer", 1) DEFTRAIT_EXPR (IS_POLYMORPHIC, "__is_polymorphic", 1) DEFTRAIT_EXPR (IS_REFERENCE, "__is_reference", 1) DEFTRAIT_EXPR (IS_SAME, "__is_same", 2) diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc index 45584e9045f..7cccbae5287 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12216,6 +12216,9 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2) case CPTK_IS_POD: return pod_type_p (type1); + case CPTK_IS_POINTER: + return TYPE_PTR_P (type1); + case CPTK_IS_POLYMORPHIC: return CLASS_TYPE_P (type1) && TYPE_POLYMORPHIC_P (type1); @@ -12418,6 +12421,7 @@ finish_trait_expr (location_t loc, cp_trait_kind kind, tree type1, tree type2) case CPTK_IS_MEMBER_OBJECT_POINTER: case CPTK_IS_MEMBER_POINTER: case CPTK_IS_OBJECT: + case CPTK_IS_POINTER: case CPTK_IS_REFERENCE: case CPTK_IS_SAME: case CPTK_IS_SCOPED_ENUM: diff --git a/gcc/testsuite/g++.dg/ext/has-builtin-1.C b/gcc/testsuite/g++.dg/ext/has-builtin-1.C index 719902d3f1a..b1430e9bd8b 100644 --- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C +++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C @@ -125,6 +125,9 @@ #if !__has_builtin (__is_pod) # error "__has_builtin (__is_pod) failed" #endif +#if !__has_builtin (__is_pointer) +# error "__has_builtin (__is_pointer) failed" +#endif #if !__has_builtin (__is_polymorphic) # error "__has_builtin (__is_polymorphic) failed" #endif diff --git a/gcc/testsuite/g++.dg/ext/is_pointer.C b/gcc/testsuite/g++.dg/ext/is_pointer.C new file mode 100644 index 00000000000..d6e39565950 --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/is_pointer.C @@ -0,0 +1,51 @@ +// { dg-do compile { target c++11 } } + +#define SA(X) static_assert((X),#X) + +SA(!__is_pointer(int)); +SA(__is_pointer(int*)); +SA(__is_pointer(int**)); + +SA(__is_pointer(const int*)); +SA(__is_pointer(const int**)); +SA(__is_pointer(int* const)); +SA(__is_pointer(int** const)); +SA(__is_pointer(int* const* const)); + +SA(__is_pointer(volatile int*)); +SA(__is_pointer(volatile int**)); +SA(__is_pointer(int* volatile)); +SA(__is_pointer(int** volatile)); +SA(__is_pointer(int* volatile* volatile)); + +SA(__is_pointer(const volatile int*)); +SA(__is_pointer(const volatile int**)); +SA(__is_pointer(const int* volatile)); +SA(__is_pointer(volatile int* const)); +SA(__is_pointer(int* const volatile)); +SA(__is_pointer(const int** volatile)); +SA(__is_pointer(volatile int** const)); +SA(__is_pointer(int** const volatile)); +SA(__is_pointer(int* const* const volatile)); +SA(__is_pointer(int* volatile* const volatile)); +SA(__is_pointer(int* const volatile* const volatile)); + +SA(!__is_pointer(int&)); +SA(!__is_pointer(const int&)); +SA(!__is_pointer(volatile int&)); +SA(!__is_pointer(const volatile int&)); + +SA(!__is_pointer(int&&)); +SA(!__is_pointer(const int&&)); +SA(!__is_pointer(volatile int&&)); +SA(!__is_pointer(const volatile int&&)); + +SA(!__is_pointer(int[3])); +SA(!__is_pointer(const int[3])); +SA(!__is_pointer(volatile int[3])); +SA(!__is_pointer(const volatile int[3])); + +SA(!__is_pointer(int(int))); +SA(__is_pointer(int(*const)(int))); +SA(__is_pointer(int(*volatile)(int))); +SA(__is_pointer(int(*const volatile)(int)));