From patchwork Fri Oct 20 13:53:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ken Matsui X-Patchwork-Id: 156149 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2010:b0:403:3b70:6f57 with SMTP id fe16csp1091187vqb; Fri, 20 Oct 2023 07:20:04 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGXqiLR+8nOwFXueRAjfXcN3UEjiqUZeKJeTuQ6/spnGDsgTnpvHunRoNYpIWWedI2vu0jZ X-Received: by 2002:ad4:5ca3:0:b0:66d:6585:e787 with SMTP id q3-20020ad45ca3000000b0066d6585e787mr2374526qvh.39.1697811603819; Fri, 20 Oct 2023 07:20:03 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1697811603; cv=pass; d=google.com; s=arc-20160816; b=xC/v/TFr6QDp3+e7Tn/J/IK5/JNYO/7yU2M/PTk6eYxmY9PnZrAGPeGAdMTi1gjpHL xpy8xJfKL06x4S6QxjJgaEuQfsX8xODJOazPQivMb7UU0POCTt4ARS/IwaIgG1TifYYi RuOqIEKwDBd4FHfpQvIE62TqFbraJ66x22aGyOT4airz5AGXS6pRuJ4H8kh8+JYq4N4/ CNL4aARgsS0m6USJ5xqfxhx1PiSWjrniV544LFjZ/xYV3xaA0Cw1fWlaxoe7IBA9n2xX WbAjNaxyWkAQBA8bHDJ5ve9W7q15pb222FaTui0rLhVOj35Y2PhVU+QpzSSkKkcWjAHR Wtgw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:arc-filter:dmarc-filter:delivered-to:dkim-signature :dkim-filter; bh=DRg/DNgFrI0TZpzvE9Ejgu2stthUWDVZ9VzyaTaKmUg=; fh=kSSy/oyUXqQD15FLeKdymIgDBFPFITPA1Gj52CNOxRQ=; b=iX1z9hqDmpbpBXXwwJWZYp8BJMlTeXeBAxXRTojCnqKoLH4enwJeruGmSk8Hy0WzBL 3Az4Hm9JoeKfu5Y040D6Oa0UojA7dHUGU+OdE8VxjP3c1ft55Ck6+d6gOlJKUXU7gbuj eO/jXDBIIzfgl6JDT17j4F5M+c4uRU6ZVJS8mOcmubROwqGapyeSbY24pYvtu0qKLn76 pHViR5SL44lBss5SnWpHhW4wfxVCi6fJ4nbkMN9mVgZOZPB+z2OYv+4qhCZE61F5Kr23 nmnxRdBQfwpkkOSaAXBjti7Zx2UA51oAhmLV9v94i81Q/8Z7nBUEjfJogY1kJRa+5IZK NOQg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=jZafBtVB; arc=pass (i=1); spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (ip-8-43-85-97.sourceware.org. [8.43.85.97]) by mx.google.com with ESMTPS id u10-20020ad45aaa000000b0066d15c73fbesi1565065qvg.117.2023.10.20.07.20.03 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Oct 2023 07:20:03 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) client-ip=8.43.85.97; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=jZafBtVB; arc=pass (i=1); spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id A09FE388302F for ; Fri, 20 Oct 2023 14:19:20 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A09FE388302F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1697811560; bh=DRg/DNgFrI0TZpzvE9Ejgu2stthUWDVZ9VzyaTaKmUg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=jZafBtVBTjL1hV6+C3ktcpQQQkHG5RszKfDqAMEjOBTJrZt/3BA2QFxJ6QQr99iy7 VSO7mVFwBvKn6AEUtVhe5RJ3bV49XKIrDeNMOu8S+lB2j5EebyrJSOtnzkdbgytH9g oXiFh6v/cN6Gdz8ewd9Ma8tGmkl0kYSBdhTxl04Y= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mx0b-00641c01.pphosted.com (mx0b-00641c01.pphosted.com [205.220.177.146]) by sourceware.org (Postfix) with ESMTPS id A4A1D385C414; Fri, 20 Oct 2023 14:12:54 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org A4A1D385C414 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 A4A1D385C414 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=205.220.177.146 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1697811177; cv=none; b=lAZI7SarjPLJpujSySJDOMxB0R7Sq7SvgzSbqIVzX9iZjexNvMczDBZx4hycHLMZdhoYtCetQNpnynEtzBQKc8T7fRSfx75cGSRWNWtoLRGcIVdrYGVjdonwphfyF2Gm688zc7GKr4Fo0oBgGvSRKb6kEFAm3gs/cBnSbBy5rCY= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1697811177; c=relaxed/simple; bh=fkQruCseJD3dB1E16vhUv/gGSDDVp/cL6/48GiYilPI=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=TZFzt782+X/lV1J49DOO/BsaQM65XXBPUqPFjzKTwjQVd0EJqK3yViVnymFzfykBzKOAiwstyclPz++xVSnf0d40L/4QrAQlmHQeMZQT8kwd0wGD2qZ/uKKld4kt7AquGxvpTqfj5AsvvomNpiUCfSyYHpGGIDBTE+bd/+JXW9w= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247478.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 39KE8ROQ005885; Fri, 20 Oct 2023 14:12:54 GMT Received: from mxout22.s.uw.edu (mxout22.s.uw.edu [128.95.242.222]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3tucu1mb7t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 20 Oct 2023 14:12:54 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.54]) by mxout22.s.uw.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 39KE88wh017239 (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 39KDvqKS011267 (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 14/33] c++: Implement __is_scoped_enum built-in trait Date: Fri, 20 Oct 2023 06:53:33 -0700 Message-ID: <20231020135748.1846670-15-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 X-Proofpoint-ORIG-GUID: tnyL2vkczzEXY9wr5m8SYLtRC8RKexPL X-Proofpoint-GUID: tnyL2vkczzEXY9wr5m8SYLtRC8RKexPL 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 priorityscore=1501 adultscore=0 phishscore=0 clxscore=1034 suspectscore=0 lowpriorityscore=0 impostorscore=0 mlxlogscore=710 mlxscore=0 bulkscore=0 spamscore=0 malwarescore=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, 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: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1776997580847515671 X-GMAIL-MSGID: 1780284499963687557 This patch implements built-in trait for std::is_scoped_enum. gcc/cp/ChangeLog: * cp-trait.def: Define __is_scoped_enum. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_SCOPED_ENUM. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. gcc/testsuite/ChangeLog: * g++.dg/ext/has-builtin-1.C: Test existence of __is_scoped_enum. * g++.dg/ext/is_scoped_enum.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_scoped_enum.C | 67 +++++++++++++++++++++++ 5 files changed, 78 insertions(+) create mode 100644 gcc/testsuite/g++.dg/ext/is_scoped_enum.C diff --git a/gcc/cp/constraint.cc b/gcc/cp/constraint.cc index 71a40558881..2b46e3afa97 100644 --- a/gcc/cp/constraint.cc +++ b/gcc/cp/constraint.cc @@ -3782,6 +3782,9 @@ diagnose_trait_expr (tree expr, tree args) case CPTK_IS_SAME: inform (loc, " %qT is not the same as %qT", t1, t2); break; + case CPTK_IS_SCOPED_ENUM: + inform (loc, " %qT is not a scoped enum", t1); + break; case CPTK_IS_STD_LAYOUT: inform (loc, " %qT is not an standard layout type", t1); break; diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def index 6d6dff7a4c3..e0e3fe1d23f 100644 --- a/gcc/cp/cp-trait.def +++ b/gcc/cp/cp-trait.def @@ -79,6 +79,7 @@ DEFTRAIT_EXPR (IS_POINTER_INTERCONVERTIBLE_BASE_OF, "__is_pointer_interconvertib DEFTRAIT_EXPR (IS_POD, "__is_pod", 1) DEFTRAIT_EXPR (IS_POLYMORPHIC, "__is_polymorphic", 1) DEFTRAIT_EXPR (IS_SAME, "__is_same", 2) +DEFTRAIT_EXPR (IS_SCOPED_ENUM, "__is_scoped_enum", 1) DEFTRAIT_EXPR (IS_STD_LAYOUT, "__is_standard_layout", 1) DEFTRAIT_EXPR (IS_TRIVIAL, "__is_trivial", 1) DEFTRAIT_EXPR (IS_TRIVIALLY_ASSIGNABLE, "__is_trivially_assignable", 2) diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc index aab35c9e5ba..9f0e468f489 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12205,6 +12205,9 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2) case CPTK_IS_SAME: return same_type_p (type1, type2); + case CPTK_IS_SCOPED_ENUM: + return SCOPED_ENUM_P (type1); + case CPTK_IS_STD_LAYOUT: return std_layout_type_p (type1); @@ -12391,6 +12394,7 @@ 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_SCOPED_ENUM: case CPTK_IS_UNBOUNDED_ARRAY: case CPTK_IS_UNION: case CPTK_IS_VOLATILE: diff --git a/gcc/testsuite/g++.dg/ext/has-builtin-1.C b/gcc/testsuite/g++.dg/ext/has-builtin-1.C index 4142da518b1..ba97beea3c3 100644 --- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C +++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C @@ -119,6 +119,9 @@ #if !__has_builtin (__is_same_as) # error "__has_builtin (__is_same_as) failed" #endif +#if !__has_builtin (__is_scoped_enum) +# error "__has_builtin (__is_scoped_enum) failed" +#endif #if !__has_builtin (__is_standard_layout) # error "__has_builtin (__is_standard_layout) failed" #endif diff --git a/gcc/testsuite/g++.dg/ext/is_scoped_enum.C b/gcc/testsuite/g++.dg/ext/is_scoped_enum.C new file mode 100644 index 00000000000..a563b6ee67d --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/is_scoped_enum.C @@ -0,0 +1,67 @@ +// { 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) + +enum class E { e1, e2 }; +SA_TEST_CATEGORY(__is_scoped_enum, E, true); +enum class Ec : char { e1, e2 }; +SA_TEST_CATEGORY(__is_scoped_enum, Ec, true); + +// negative tests +enum U { u1, u2 }; +SA_TEST_CATEGORY(__is_scoped_enum, U, false); +enum F : int { f1, f2 }; +SA_TEST_CATEGORY(__is_scoped_enum, F, false); +struct S; +SA_TEST_CATEGORY(__is_scoped_enum, S, false); +struct S { }; +SA_TEST_CATEGORY(__is_scoped_enum, S, false); + +SA_TEST_CATEGORY(__is_scoped_enum, int, false); +SA_TEST_CATEGORY(__is_scoped_enum, int[], false); +SA_TEST_CATEGORY(__is_scoped_enum, int[2], false); +SA_TEST_CATEGORY(__is_scoped_enum, int[][2], false); +SA_TEST_CATEGORY(__is_scoped_enum, int[2][3], false); +SA_TEST_CATEGORY(__is_scoped_enum, int*, false); +SA_TEST_CATEGORY(__is_scoped_enum, int&, false); +SA_TEST_CATEGORY(__is_scoped_enum, int*&, false); +SA_TEST_FN(__is_scoped_enum, int(), false); +SA_TEST_FN(__is_scoped_enum, int(*)(), false); +SA_TEST_FN(__is_scoped_enum, int(&)(), false); + +enum opaque_unscoped : short; +enum class opaque_scoped; +enum class opaque_scoped_with_base : long; + +SA_TEST_CATEGORY(__is_scoped_enum, opaque_unscoped, false); +SA_TEST_CATEGORY(__is_scoped_enum, opaque_scoped, true); +SA_TEST_CATEGORY(__is_scoped_enum, opaque_scoped_with_base, true); + +enum unscoped { + u_is_scoped = __is_scoped_enum(unscoped), +}; +SA( ! unscoped::u_is_scoped ); + +enum unscoped_fixed : char { + uf_is_scoped = __is_scoped_enum(unscoped_fixed), +}; +SA( ! unscoped_fixed::uf_is_scoped ); + +enum class scoped { + is_scoped = __is_scoped_enum(scoped), +}; +SA( (bool) scoped::is_scoped );