212 lines
14 KiB
C++
212 lines
14 KiB
C++
/***
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Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: SOO.hpp
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Date: 2023-1-18
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Author: Reece
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Note: ~~removed~~
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Recovered and fixed up: 2023-3-21
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***/
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#pragma once
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namespace ___soodetail
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{
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template <class T>
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static void _reconstruct(T &ref)
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{
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new (&ref) T();
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}
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}
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#if defined(_AUROXTL_INTERFACE_SOO_FORCE_NO_STRING)
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#define _AUROXTL_INTERFACE_SOO_TYPE2NAME(Type) ""
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#else
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#define _AUROXTL_INTERFACE_SOO_TYPE2NAME(Type) #Type
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#endif
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#define _AUROXTL_INTERRFACE_SOO_THIS(FullType) (reinterpret_cast<FullType *>(this))
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#define _AUROXTL_INTERRFACE_SOO_EMITTER_0(a) AU_EMIT_FIRST a AU_EMIT_SECOND a
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#define _AUROXTL_INTERRFACE_SOO_EMITTER_1(a) , AU_EMIT_FIRST a AU_EMIT_SECOND a
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#define _AUROXTL_INTERRFACE_SOO_EMITTER_2(a) AU_EMIT_SECOND a
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#define _AUROXTL_INTERRFACE_SOO_EMITTER_3(a) , AU_EMIT_SECOND a
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#if !defined(_ZAUFE_FE_1_FIRST)
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#define _ZAUFE_FE_1_FIRST(...)
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#endif
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#define AUROXTL_INTERFACE_SOO_HDR_(vis, type, maxSize, ...) \
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protected: \
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char padding[maxSize] {}; \
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inline type(std::nullptr_t) \
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{} \
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public: \
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static const AuUInt kSSOPaddedSize = maxSize; \
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static const AuUInt kSSORealSize; \
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vis type(AU_FOR_EACH_FIRST(_AUROXTL_INTERRFACE_SOO_EMITTER_0, _AUROXTL_INTERRFACE_SOO_EMITTER_1, ## __VA_ARGS__, (AuUInt32, uSOOSize = kSSOPaddedSize)));\
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vis ~type();
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#define AUROXTL_INTERFACE_SOO_HDR_EX2(vis, Type, extends, targetSize, ex, ...) \
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struct AU_ALIGN(sizeof(AuUInt)) Type ## SOO \
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{ \
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AU_WHAT ex \
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AUROXTL_INTERFACE_SOO_HDR_(vis, Type ## SOO, targetSize, ## __VA_ARGS__) \
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inline auto operator ->() \
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{ \
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if constexpr (std::is_const_v<AuRemovePointer_t<decltype(this)>>) \
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{ \
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return (const extends *)this->padding; \
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\
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} \
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else \
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{ \
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return ( extends *)this->padding; \
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} \
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} \
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\
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inline auto AsPointer() \
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{ \
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if constexpr (std::is_const_v<AuRemovePointer_t<decltype(this)>>) \
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{ \
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return (const extends *)this->padding; \
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} \
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else \
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{ \
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return (extends *)this->padding; \
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} \
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} \
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inline auto AsUnsafeSharedPointer() \
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{ \
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if constexpr (std::is_const_v<AuRemovePointer_t<decltype(this)>>) \
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{ \
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return AuUnsafeRaiiToShared((const extends *)this->padding); \
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} \
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else \
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{ \
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return AuUnsafeRaiiToShared((extends *)this->padding); \
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} \
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} \
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inline operator extends&() \
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{ \
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return *(extends *)this->padding; \
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} \
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inline operator extends*() \
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{ \
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return (extends *)this->padding; \
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} \
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inline operator AuSPtr<extends>() \
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{ \
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return AuUnsafeRaiiToShared((extends *)this->padding); \
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} \
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inline operator const extends&() const \
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{ \
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return *(const extends *)this->padding; \
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} \
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inline operator const extends*() const \
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{ \
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return (const extends *)this->padding; \
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} \
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}; \
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\
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using Type ## SOO_t = Type ## SOO; \
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using Type = Type ## SOO;
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#define AU_SOO_MOVE_BASIC(Type) \
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inline Type(Type &&that) \
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{ \
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AuMemcpy(this->padding, that.padding, sizeof(this->padding)); \
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AuMemset(that.padding, 0, sizeof(this->padding)); \
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} \
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\
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inline Type &operator=(Type &&that) \
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{ \
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AuMemcpy(this->padding, that.padding, sizeof(this->padding)); \
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AuMemset(that.padding, 0, sizeof(this->padding)); \
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if constexpr (AuIsConstructible_v<Type>) \
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{ \
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___soodetail::_reconstruct(that); \
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} \
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return *this; \
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} \
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#define AU_SOO_COPY_BASIC(Type) \
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inline Type(const Type &that) \
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{ \
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AuMemcpy(this->padding, that.padding, sizeof(this->padding)); \
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} \
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\
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inline Type &operator=(const Type &that) \
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{ \
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AuMemcpy(this->padding, that.padding, sizeof(this->padding)); \
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return *this; \
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}
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#define _AUROXTL_INTERFACE_SOO_CC_CTOR(Type, extends) \
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inline Type ## SOO(const Type ## SOO &that) \
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{ \
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Type ## Copy((extends *)this->padding, (const extends *)that.padding); \
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} \
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\
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inline Type ## SOO &operator=(const Type ## SOO &that) \
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{ \
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Type ## Copy((extends *)this->padding, (const extends *)that.padding); \
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return *this; \
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}
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#define AUROXTL_INTERFACE_SOO_HDR_EX(vis, Type, extends, targetSize, ...) \
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AUROXTL_INTERFACE_SOO_HDR_EX2(vis, Type, extends, targetSize, (AU_SOO_COPY_BASIC(Type ## SOO); AU_SOO_MOVE_BASIC(Type ## SOO);), ## __VA_ARGS__)
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#define AUROXTL_INTERFACE_SOO_HDR_EX_NC(vis, Type, extends, targetSize, ...) \
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AUROXTL_INTERFACE_SOO_HDR_EX2(vis, Type, extends, targetSize, (AU_NO_COPY(Type ## SOO); AU_SOO_MOVE_BASIC(Type ## SOO);), ## __VA_ARGS__)
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#define AUROXTL_INTERFACE_SOO_HDR_EX_CC(vis, Type, extends, targetSize, ...) \
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vis void Type ## Copy(extends *dest, const extends *source); \
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AUROXTL_INTERFACE_SOO_HDR_EX2(vis, Type, extends, targetSize, (_AUROXTL_INTERFACE_SOO_CC_CTOR(Type, extends); AU_SOO_MOVE_BASIC(Type ## SOO);), ## __VA_ARGS__)
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#define AUROXTL_INTERFACE_SOO_HDR_EX_CCNM(vis, Type, extends, targetSize, ...) \
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vis void Type ## Copy(extends *dest, const extends *source); \
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AUROXTL_INTERFACE_SOO_HDR_EX2(vis, Type, extends, targetSize, (_AUROXTL_INTERFACE_SOO_CC_CTOR(Type, extends); AU_NO_MOVE(Type ## SOO);), ## __VA_ARGS__)
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#define AUROXTL_INTERFACE_SOO_HDR_EX_NCM(vis, Type, extends, targetSize, ...) \
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AUROXTL_INTERFACE_SOO_HDR_EX2(vis, Type, extends, targetSize, (AU_NO_COPY_NO_MOVE(Type ## SOO)), ## __VA_ARGS__)
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#define AUROXTL_INTERFACE_SOO_HDR(Type, extends, targetSize, ...) \
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AUROXTL_INTERFACE_SOO_HDR_EX(, Type, extends, targetSize, ## __VA_ARGS__)
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#define AUROXTL_INTERFACE_SOO_SRC_EX(vis, Type, FullType, ...) \
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vis Type ## SOO::Type ## SOO(AU_FOR_EACH_FIRST(_AUROXTL_INTERRFACE_SOO_EMITTER_0, _AUROXTL_INTERRFACE_SOO_EMITTER_1, ## __VA_ARGS__, (AuUInt32, uSize))) \
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{ \
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if (kSSORealSize > uSize) \
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{ \
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AuMemoryPanic("SOO out of overhead: " \
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_AUROXTL_INTERFACE_SOO_TYPE2NAME(Type)); \
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} \
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\
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{ \
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new (_AUROXTL_INTERRFACE_SOO_THIS(FullType)) FullType(AU_FOR_EACH_FIRST(_AUROXTL_INTERRFACE_SOO_EMITTER_2, _AUROXTL_INTERRFACE_SOO_EMITTER_3, ## __VA_ARGS__)); \
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} \
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} \
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\
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vis Type ## SOO::~ Type ## SOO() \
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{ \
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_AUROXTL_INTERRFACE_SOO_THIS(FullType)->~FullType(); \
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} \
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const AuUInt Type ## SOO::kSSORealSize = sizeof(FullType);
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#define AUROXTL_INTERFACE_SOO_SRC(Type, FullType, ...) \
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AUROXTL_INTERFACE_SOO_SRC_EX(, Type, FullType, ##__VA_ARGS__)
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#if !defined(AU_SHARED_API_SOO)
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#define AU_SHARED_API_SOO(name, size, type, ...) \
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AU_SHARED_API_EX(, name, type, ##__VA_ARGS__) \
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AUROXTL_INTERFACE_SOO_HDR(name, type, size)
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#endif
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#if !defined(AU_SHARED_API_SOO_2)
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#define AU_SHARED_API_SOO_2(name, size, type, ctr, ...) \
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AU_SHARED_API_EX(, name, type, ##__VA_ARGS__) \
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AUROXTL_INTERFACE_SOO_HDR(name, type, size, AU_WHAT ctr)
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#endif |