mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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3a1ccdd919
* ams: update to build with gcc10/c++20 * remove mno-outline-atomics * ams: take care of most TODO C++20s * fusee/sept: update for gcc10 * whoosh, your code now uses pre-compiled headers * make: dependency fixes
76 lines
No EOL
2.2 KiB
C++
76 lines
No EOL
2.2 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "sf_common.hpp"
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#include "cmif/sf_cmif_pointer_and_size.hpp"
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namespace ams::sf {
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namespace impl {
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struct OutBaseTag{};
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}
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template<typename>
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struct IsOutForceEnabled : public std::false_type{};
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template<>
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struct IsOutForceEnabled<::ams::Result> : public std::true_type{};
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template<typename T>
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concept OutEnabled = (std::is_trivial<T>::value || IsOutForceEnabled<T>::value) && !std::is_pointer<T>::value;
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template<typename T> requires OutEnabled<T>
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class Out : public impl::OutBaseTag {
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public:
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static constexpr size_t TypeSize = sizeof(T);
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private:
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T *ptr;
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public:
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constexpr Out(uintptr_t p) : ptr(reinterpret_cast<T *>(p)) { /* ... */ }
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constexpr Out(T *p) : ptr(p) { /* ... */ }
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constexpr Out(const cmif::PointerAndSize &pas) : ptr(reinterpret_cast<T *>(pas.GetAddress())) { /* TODO: Is AMS_ABORT_UNLESS(pas.GetSize() >= sizeof(T)); necessary? */ }
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void SetValue(const T& value) const {
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*this->ptr = value;
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}
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const T &GetValue() const {
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return *this->ptr;
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}
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T *GetPointer() const {
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return this->ptr;
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}
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/* Convenience operators. */
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T &operator*() const {
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return *this->ptr;
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}
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T *operator->() const {
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return this->ptr;
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}
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};
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template<typename T>
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class Out<T *> {
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static_assert(!std::is_same<T, T>::value, "Invalid sf::Out<T> (Raw Pointer)");
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};
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} |