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| author | Richard Qin <richard.qin.x@gmail.com> | 2026-11-02 02:07:38 +0800 |
|---|---|---|
| committer | Richard Qin <richard.qin.x@gmail.com> | 2026-11-02 02:07:38 +0800 |
| commit | e3c4c7709f65404bcf8ce195a518e7d445e768d2 (patch) | |
| tree | 48ac475db03a63827f8910acce982fead7612d26 /libsupport/include/CoreLib/ADT/STLFunctionalExtras.h | |
| parent | 02b615c8704aeda9a94cf5457c9c78de847c911a (diff) | |
| download | rcc-project-e3c4c7709f65404bcf8ce195a518e7d445e768d2.tar.gz rcc-project-e3c4c7709f65404bcf8ce195a518e7d445e768d2.tar.xz | |
Restructure libbase and RCCCore build
Diffstat (limited to 'libsupport/include/CoreLib/ADT/STLFunctionalExtras.h')
| -rw-r--r-- | libsupport/include/CoreLib/ADT/STLFunctionalExtras.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/libsupport/include/CoreLib/ADT/STLFunctionalExtras.h b/libsupport/include/CoreLib/ADT/STLFunctionalExtras.h deleted file mode 100644 index 993acc0..0000000 --- a/libsupport/include/CoreLib/ADT/STLFunctionalExtras.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - R *CC-Project - - Copyright (C) 2026 Richard Qin - - This file is part of RCC-Project. - - RCC-Project is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your option) any - later version. - - RCC-Project is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - RCC-Project; see the file COPYING. If not see - <http://www.gnu.org/licenses/>. - */ - -//===- llvm/ADT/STLFunctionalExtras.h - Extras for <functional> -*- 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 -// -//===----------------------------------------------------------------------===// -// -// This file contains some extension to <functional>. -// -// No library is required when using these functions. -// -//===----------------------------------------------------------------------===// - -#ifndef RCC_ADT_STLFUNCTIONALEXTRAS_H -#define RCC_ADT_STLFUNCTIONALEXTRAS_H - -#include "CoreLib/Compiler/Compiler.h" - -#include <cstddef -#include <cstdint> -#include <type_traits> -#include <utility> - -namespace rcc -{ - -//===----------------------------------------------------------------------===// -// Extra additions to <functional> -//===----------------------------------------------------------------------===// - -/// An efficient, type-erasing, non-owning reference to a callable. This is -/// intended for use as the type of a function parameter that is not used -/// after the function in question returns. -/// -/// This class does not own the callable, so it is not in general safe to store -/// a function_ref. -template <typename Fn> class function_ref; - -template <typename Ret, typename... Params> -class RCC_GSL_POINTER function_ref<Ret (Params...)> -{ - Ret (*callback) (intptr_t callable, Params... params) = nullptr; - intptr_t callable = 0; - - template <typename Callable> - static Ret - callback_fn (intptr_t callable, Params... params) - { - return (*reinterpret_cast<Callable *> (callable)) ( - std::forward<Params> (params)...); - } - -public: - function_ref () = default; - function_ref (std::nullptr_t) - { - } - - template <typename Callable> - function_ref ( - Callable &&callable RCC_LIFETIME_BOUND, - // This is not the copy-constructor. - std::enable_if_t<!std::is_same<std::remove_cvref_t<Callable>, - function_ref>::value> * = nullptr, - // Functor must be callable and return a suitable type. - std::enable_if_t<std::is_void<Ret>::value || - std::is_convertible<decltype (std::declval<Callable> () ( - std::declval<Params> ()...)), - Ret>::value> * = nullptr) - : callback (callback_fn<std::remove_reference_t<Callable>>), - callable (reinterpret_cast<intptr_t> (&callable)) - { - } - - Ret - operator() (Params... params) const - { - return callback (callable, std::forward<Params> (params)...); - } - - explicit - operator bool () const - { - return callback; - } -}; - -} // end namespace rcc - -#endif // RCC_ADT_STLFUNCTIONALEXTRAS_H |
