AuROXTL/Include/auROXTL/Objects/SOO.hpp

128 lines
7.8 KiB
C++
Raw Normal View History

/***
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
#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))
2023-03-21 02:33:37 +00:00
#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, ...) \
2023-03-21 02:33:37 +00:00
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)));\
2023-03-21 03:01:40 +00:00
vis ~type();
2023-03-22 23:07:03 +00:00
#define AUROXTL_INTERFACE_SOO_HDR_EX(vis, Type, extends, targetSize, ...) \
struct Type ## SOO \
{ \
AUROXTL_INTERFACE_SOO_HDR_(vis, Type ## SOO, targetSize, ## __VA_ARGS__) \
inline auto operator ->() \
{ \
if constexpr (std::is_const_v<typename AuRemovePointer_t<decltype(this)>>) \
{ \
return (const extends *)this->padding; \
\
} \
else \
{ \
return ( extends *)this->padding; \
} \
} \
\
inline auto AsPointer() \
{ \
if constexpr (std::is_const_v<typename AuRemovePointer_t<decltype(this)>>) \
{ \
return (const extends *)this->padding; \
} \
else \
{ \
return (extends *)this->padding; \
} \
} \
inline operator extends&() \
{ \
return *(extends *)this->padding; \
} \
inline operator extends*() \
{ \
return (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;
2023-03-21 03:01:40 +00:00
#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))) \
2023-03-21 02:33:37 +00:00
{ \
if (kSSORealSize > uSize) \
2023-03-21 02:33:37 +00:00
{ \
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__)); \
} \
} \
\
2023-03-21 03:01:40 +00:00
vis Type ## SOO::~ Type ## SOO() \
2023-03-21 02:33:37 +00:00
{ \
_AUROXTL_INTERRFACE_SOO_THIS(FullType)->~FullType(); \
} \
const AuUInt Type ## SOO::kSSORealSize = sizeof(FullType);
2023-03-21 03:01:40 +00:00
#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, ...) \
2023-03-21 02:33:37 +00:00
AU_SHARED_API_EX(, name, type, ##__VA_ARGS__) \
AUROXTL_INTERFACE_SOO_HDR(name, type, size)
#endif
2023-03-21 02:33:37 +00:00
#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