From 95b9eb358c9a73e0ea05e8bcc6eb240977b6d242 Mon Sep 17 00:00:00 2001 From: Guillaume Chatelet Date: Thu, 7 Sep 2023 16:05:38 +0000 Subject: [PATCH] [libc] Add is_member_pointer_v --- libc/src/__support/CPP/type_traits.h | 1 + .../CPP/type_traits/is_member_pointer.h | 30 +++++++++++++++++++ .../llvm-project-overlay/libc/BUILD.bazel | 1 + 3 files changed, 32 insertions(+) create mode 100644 libc/src/__support/CPP/type_traits/is_member_pointer.h diff --git a/libc/src/__support/CPP/type_traits.h b/libc/src/__support/CPP/type_traits.h index 7794b39e0d8f4..8c351c13b954b 100644 --- a/libc/src/__support/CPP/type_traits.h +++ b/libc/src/__support/CPP/type_traits.h @@ -30,6 +30,7 @@ #include "src/__support/CPP/type_traits/is_function.h" #include "src/__support/CPP/type_traits/is_integral.h" #include "src/__support/CPP/type_traits/is_lvalue_reference.h" +#include "src/__support/CPP/type_traits/is_member_pointer.h" #include "src/__support/CPP/type_traits/is_null_pointer.h" #include "src/__support/CPP/type_traits/is_pointer.h" #include "src/__support/CPP/type_traits/is_reference.h" diff --git a/libc/src/__support/CPP/type_traits/is_member_pointer.h b/libc/src/__support/CPP/type_traits/is_member_pointer.h new file mode 100644 index 0000000000000..5b273d5dc7bde --- /dev/null +++ b/libc/src/__support/CPP/type_traits/is_member_pointer.h @@ -0,0 +1,30 @@ +//===-- is_member_pointer type_traits ---------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +#ifndef LLVM_LIBC_SRC_SUPPORT_CPP_TYPE_TRAITS_IS_MEMBER_POINTER_H +#define LLVM_LIBC_SRC_SUPPORT_CPP_TYPE_TRAITS_IS_MEMBER_POINTER_H + +#include "src/__support/CPP/type_traits/false_type.h" +#include "src/__support/CPP/type_traits/remove_cv.h" +#include "src/__support/CPP/type_traits/true_type.h" +#include "src/__support/macros/attributes.h" + +namespace __llvm_libc::cpp { + +// is_member_pointer +template struct is_member_pointer_helper : cpp::false_type {}; +template +struct is_member_pointer_helper : cpp::true_type {}; +template +struct is_member_pointer : is_member_pointer_helper> {}; +template +LIBC_INLINE_VAR constexpr bool is_member_pointer_v = + is_member_pointer::value; + +} // namespace __llvm_libc::cpp + +#endif // LLVM_LIBC_SRC_SUPPORT_CPP_TYPE_TRAITS_IS_MEMBER_POINTER_H diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel index 0f35d3df4c49a..360672d682095 100644 --- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel +++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel @@ -307,6 +307,7 @@ libc_support_library( "src/__support/CPP/type_traits/is_function.h", "src/__support/CPP/type_traits/is_integral.h", "src/__support/CPP/type_traits/is_lvalue_reference.h", + "src/__support/CPP/type_traits/is_member_pointer.h", "src/__support/CPP/type_traits/is_null_pointer.h", "src/__support/CPP/type_traits/is_pointer.h", "src/__support/CPP/type_traits/is_reference.h",