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feat(memory): add Memory/MemoryOperator.h and the corresponding testing

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_Redstone_c_
2022-03-19 16:05:47 +08:00
parent 465ce882b9
commit beaf5635ba
4 changed files with 260 additions and 13 deletions
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183
Redcraft.Utility/Source/Public/Memory/MemoryOperator.h Normal file
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@ -0,0 +1,183 @@
#pragma once
#include "CoreTypes.h"
#include "Templates/Utility.h"
#include "Concepts/Comparable.h"
#include "TypeTraits/TypeTraits.h"
NAMESPACE_REDCRAFT_BEGIN
NAMESPACE_MODULE_BEGIN(Redcraft)
NAMESPACE_MODULE_BEGIN(Utility)
NAMESPACE_BEGIN(Memory)
template <typename ElementType, typename SizeType = int32>
requires (TIsDefaultConstructible<ElementType>::Value || TIsZeroConstructible<ElementType>::Value)
FORCEINLINE void DefaultConstruct(ElementType* Address, SizeType Count = 1)
{
if constexpr (TIsZeroConstructible<ElementType>::Value)
{
Memory::Memset(Address, 0, sizeof(ElementType) * Count);
}
else
{
ElementType* Element = (ElementType*)Address;
while (Count)
{
new (Element) ElementType;
++Element;
--Count;
}
}
}
template <typename DestinationElementType, typename SourceElementType, typename SizeType = int32>
requires (TIsConstructible<DestinationElementType, const SourceElementType&>::Value || TIsBitwiseConstructible<DestinationElementType, const SourceElementType&>::Value)
FORCEINLINE void Construct(DestinationElementType* Destination, const SourceElementType* Source, SizeType Count = 1)
{
if constexpr (TIsBitwiseConstructible<DestinationElementType, const SourceElementType>::Value)
{
Memory::Memcpy(Destination, Source, sizeof(SourceElementType) * Count);
}
else
{
while (Count)
{
new (Destination) DestinationElementType(*Source);
++(DestinationElementType*&)Destination;
++Source;
--Count;
}
}
}
template <typename ElementType, typename SizeType = int32>
requires (TIsMoveConstructible<ElementType>::Value)
FORCEINLINE void MoveConstruct(ElementType* Destination, ElementType* Source, SizeType Count = 1)
{
if constexpr (TIsTriviallyMoveConstructible<ElementType>::Value)
{
Memory::Memmove(Destination, Source, sizeof(ElementType) * Count);
}
else
{
while (Count)
{
new (Destination) ElementType(MoveTemp(*Source));
++(ElementType*&)Destination;
++Source;
--Count;
}
}
}
template <typename DestinationElementType, typename SourceElementType, typename SizeType = int32>
requires ((TIsConstructible<DestinationElementType, SourceElementType&&>::Value && TIsDestructible<SourceElementType>::Value) || TIsBitwiseRelocatable<DestinationElementType, SourceElementType>::Value)
FORCEINLINE void RelocateConstruct(DestinationElementType* Destination, SourceElementType* Source, SizeType Count = 1)
{
if constexpr (TIsBitwiseRelocatable<DestinationElementType, SourceElementType>::Value)
{
Memory::Memmove(Destination, Source, sizeof(SourceElementType) * Count);
}
else
{
while (Count)
{
typedef SourceElementType RelocateConstructItemsElementTypeTypedef;
new (Destination) DestinationElementType(MoveTemp(*Source));
++(DestinationElementType*&)Destination;
(Source++)->RelocateConstructItemsElementTypeTypedef::~RelocateConstructItemsElementTypeTypedef();
--Count;
}
}
}
template <typename ElementType, typename SizeType = int32>
requires (TIsDestructible<ElementType>::Value)
FORCEINLINE void Destruct(ElementType* Element, SizeType Count = 1)
{
if constexpr (!TIsTriviallyDestructible<ElementType>::Value)
{
while (Count)
{
typedef ElementType DestructItemsElementTypeTypedef;
Element->DestructItemsElementTypeTypedef::~DestructItemsElementTypeTypedef();
++Element;
--Count;
}
}
}
template <typename ElementType, typename SizeType = int32>
requires (TIsCopyAssignable<ElementType>::Value)
FORCEINLINE void CopyAssign(ElementType* Destination, const ElementType* Source, SizeType Count = 1)
{
if constexpr (TIsTriviallyCopyAssignable<ElementType>::Value)
{
Memory::Memcpy(Destination, Source, sizeof(ElementType) * Count);
}
else
{
while (Count)
{
*Destination = *Source;
++Destination;
++Source;
--Count;
}
}
}
template <typename ElementType, typename SizeType = int32>
requires (TIsMoveAssignable<ElementType>::Value)
FORCEINLINE void MoveAssign(ElementType* Destination, ElementType* Source, SizeType Count = 1)
{
if constexpr (TIsTriviallyCopyConstructible<ElementType>::Value)
{
Memory::Memmove(Destination, Source, sizeof(ElementType) * Count);
}
else
{
while (Count)
{
*Destination = MoveTemp(*Source);
++(ElementType*&)Destination;
++Source;
--Count;
}
}
}
template <typename ElementType, typename SizeType = int32>
requires (CEqualityComparable<ElementType> || TIsBitwiseComparable<ElementType>::Value)
FORCEINLINE bool Compare(const ElementType* LHS, const ElementType* RHS, SizeType Count = 1)
{
if constexpr (TIsBitwiseComparable<ElementType>::Value)
{
return !Memory::Memcmp(LHS, RHS, sizeof(ElementType) * Count);
}
else
{
while (Count)
{
if (!(*LHS == *RHS))
{
return false;
}
++LHS;
++RHS;
--Count;
}
return true;
}
}
NAMESPACE_END(Memory)
NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft)
NAMESPACE_REDCRAFT_END

1
Redcraft.Utility/Source/Public/Testing/MemoryTesting.h
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@ -12,6 +12,7 @@ REDCRAFTUTILITY_API void TestMemory();
REDCRAFTUTILITY_API void TestAlignment();
REDCRAFTUTILITY_API void TestMemoryBuffer();
REDCRAFTUTILITY_API void TestMemoryMalloc();
REDCRAFTUTILITY_API void TestMemoryOperator();
NAMESPACE_END(Testing)