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 DC21738555B7; Fri, 15 Sep 2023 23:54:22 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org DC21738555B7 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 Received: from pps.filterd (m0247470.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38FNpVhp011826; Fri, 15 Sep 2023 23:54:22 GMT Received: from mxout23.cac.washington.edu (mxout23.cac.washington.edu [140.142.32.140]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3t4wqe23q7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 23:54:21 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.54]) by mxout23.cac.washington.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 38FNruPe015195 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 15 Sep 2023 16:53:56 -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 38FNrt2L000587 (version=TLSv1.2 cipher=DHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 15 Sep 2023 16:53:56 -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 v14 18/40] c++: Implement __is_member_function_pointer built-in trait Date: Fri, 15 Sep 2023 16:51:04 -0700 Message-ID: <20230915235353.19378-19-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230915235353.19378-1-kmatsui@gcc.gnu.org> References: <20230915023640.75216-17-kmatsui@gcc.gnu.org> <20230915235353.19378-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: 3BUksu-Us53HapqKa3XG6icsMI-NyG6j X-Proofpoint-ORIG-GUID: 3BUksu-Us53HapqKa3XG6icsMI-NyG6j 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_20,2023-09-15_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 phishscore=0 clxscore=1034 mlxlogscore=778 bulkscore=0 impostorscore=0 mlxscore=0 priorityscore=1501 spamscore=0 adultscore=0 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309150214 X-Spam-Status: No, score=-13.3 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_member_function_pointer. gcc/cp/ChangeLog: * cp-trait.def: Define __is_member_function_pointer. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_MEMBER_FUNCTION_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_member_function_pointer. * g++.dg/ext/is_member_function_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 ++ .../g++.dg/ext/is_member_function_pointer.C | 31 +++++++++++++++++++ 5 files changed, 42 insertions(+) create mode 100644 gcc/testsuite/g++.dg/ext/is_member_function_pointer.C diff --git a/gcc/cp/constraint.cc b/gcc/cp/constraint.cc index f0d3f89464c..d0464dd4f6a 100644 --- a/gcc/cp/constraint.cc +++ b/gcc/cp/constraint.cc @@ -3756,6 +3756,9 @@ diagnose_trait_expr (tree expr, tree args) case CPTK_IS_LITERAL_TYPE: inform (loc, " %qT is not a literal type", t1); break; + case CPTK_IS_MEMBER_FUNCTION_POINTER: + inform (loc, " %qT is not a member function pointer", t1); + break; case CPTK_IS_MEMBER_POINTER: inform (loc, " %qT is not a member pointer", t1); break; diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def index 7fed3483221..6ebe3984d17 100644 --- a/gcc/cp/cp-trait.def +++ b/gcc/cp/cp-trait.def @@ -72,6 +72,7 @@ DEFTRAIT_EXPR (IS_ENUM, "__is_enum", 1) DEFTRAIT_EXPR (IS_FINAL, "__is_final", 1) DEFTRAIT_EXPR (IS_LAYOUT_COMPATIBLE, "__is_layout_compatible", 2) DEFTRAIT_EXPR (IS_LITERAL_TYPE, "__is_literal_type", 1) +DEFTRAIT_EXPR (IS_MEMBER_FUNCTION_POINTER, "__is_member_function_pointer", 1) DEFTRAIT_EXPR (IS_MEMBER_POINTER, "__is_member_pointer", 1) DEFTRAIT_EXPR (IS_NOTHROW_ASSIGNABLE, "__is_nothrow_assignable", 2) DEFTRAIT_EXPR (IS_NOTHROW_CONSTRUCTIBLE, "__is_nothrow_constructible", -1) diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc index 7091e581ac7..93e166923b8 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12169,6 +12169,9 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2) case CPTK_IS_LITERAL_TYPE: return literal_type_p (type1); + case CPTK_IS_MEMBER_FUNCTION_POINTER: + return TYPE_PTRMEMFUNC_P (type1); + case CPTK_IS_MEMBER_POINTER: return TYPE_PTRMEM_P (type1); @@ -12381,6 +12384,7 @@ finish_trait_expr (location_t loc, cp_trait_kind kind, tree type1, tree type2) case CPTK_IS_CLASS: case CPTK_IS_CONST: case CPTK_IS_ENUM: + case CPTK_IS_MEMBER_FUNCTION_POINTER: case CPTK_IS_MEMBER_POINTER: 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 994873f14e9..0dfe957474b 100644 --- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C +++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C @@ -95,6 +95,9 @@ #if !__has_builtin (__is_literal_type) # error "__has_builtin (__is_literal_type) failed" #endif +#if !__has_builtin (__is_member_function_pointer) +# error "__has_builtin (__is_member_function_pointer) failed" +#endif #if !__has_builtin (__is_member_pointer) # error "__has_builtin (__is_member_pointer) failed" #endif diff --git a/gcc/testsuite/g++.dg/ext/is_member_function_pointer.C b/gcc/testsuite/g++.dg/ext/is_member_function_pointer.C new file mode 100644 index 00000000000..555123e8f07 --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/is_member_function_pointer.C @@ -0,0 +1,31 @@ +// { dg-do compile { target c++11 } } + +#include + +using namespace __gnu_test; + +#define SA(X) static_assert((X),#X) + +#define SA_TEST_FN(TRAIT, TYPE, EXPECT) \ + SA(TRAIT(TYPE) == EXPECT); \ + SA(TRAIT(const TYPE) == EXPECT); + +#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) + +// Positive tests. +SA_TEST_FN(__is_member_function_pointer, int (ClassType::*) (int), true); +SA_TEST_FN(__is_member_function_pointer, int (ClassType::*) (int) const, true); +SA_TEST_FN(__is_member_function_pointer, int (ClassType::*) (float, ...), true); +SA_TEST_FN(__is_member_function_pointer, ClassType (ClassType::*) (ClassType), true); +SA_TEST_FN(__is_member_function_pointer, float (ClassType::*) (int, float, int[], int&), true); + +// Negative tests. +SA_TEST_CATEGORY(__is_member_function_pointer, int (ClassType::*), false); +SA_TEST_CATEGORY(__is_member_function_pointer, ClassType (ClassType::*), false); + +// Sanity check. +SA_TEST_CATEGORY(__is_member_function_pointer, ClassType, false); -- 2.42.0