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