mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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87 lines
3.5 KiB
C++
87 lines
3.5 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 <vapours.hpp>
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#include <stratosphere/ddsf/ddsf_types.hpp>
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#include <stratosphere/ddsf/impl/ddsf_type_tag.hpp>
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namespace ams::ddsf {
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#if defined(AMS_BUILD_FOR_DEBUGGING) || defined(AMS_BUILD_FOR_AUDITING)
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#define AMS_DDSF_CASTABLE_TRAITS(__CLASS__, __BASE__) \
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public: \
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static constexpr inline ::ams::ddsf::impl::TypeTag s_ams_ddsf_castable_type_tag{#__CLASS__, __BASE__::s_ams_ddsf_castable_type_tag}; \
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constexpr virtual const ::ams::ddsf::impl::TypeTag &GetTypeTag() const override { return s_ams_ddsf_castable_type_tag; }
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#else
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#define AMS_DDSF_CASTABLE_TRAITS(__CLASS__, __BASE__) \
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public: \
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static constexpr inline ::ams::ddsf::impl::TypeTag s_ams_ddsf_castable_type_tag{__BASE__::s_ams_ddsf_castable_type_tag}; \
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constexpr virtual const ::ams::ddsf::impl::TypeTag &GetTypeTag() const override { return s_ams_ddsf_castable_type_tag; }
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#endif
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class ICastable {
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private:
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constexpr virtual const impl::TypeTag &GetTypeTag() const = 0;
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template<typename T>
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constexpr ALWAYS_INLINE void AssertCastableTo() const {
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AMS_ASSERT(this->IsCastableTo<T>());
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}
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public:
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template<typename T>
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constexpr bool IsCastableTo() const {
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return this->GetTypeTag().DerivesFrom(T::s_ams_ddsf_castable_type_tag);
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}
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template<typename T>
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constexpr T &SafeCastTo() {
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this->AssertCastableTo<T>();
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return static_cast<T &>(*this);
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}
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template<typename T>
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constexpr const T &SafeCastTo() const {
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this->AssertCastableTo<T>();
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return static_cast<const T &>(*this);
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}
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template<typename T>
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constexpr T *SafeCastToPointer() {
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this->AssertCastableTo<T>();
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return static_cast<T *>(this);
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}
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template<typename T>
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constexpr const T *SafeCastToPointer() const {
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this->AssertCastableTo<T>();
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return static_cast<const T *>(this);
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}
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#if defined(AMS_BUILD_FOR_AUDITING) || defined(AMS_BUILD_FOR_DEBUGGING)
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constexpr const char *GetClassName() const {
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return this->GetTypeTag().GetClassName();
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}
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#endif
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};
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}
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