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compare: Redstone1024:9debe74b3295a9e114a6c6cbead3cdbc9a053619
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bc3cc3d2cc ... 9debe74b32

Author SHA1 Message Date
_Redstone_c_
9debe74b32 refactor(*): remove constexpr for containers and allocators 2023-02-22 23:37:51 +08:00
_Redstone_c_
e8c9f9cc23 feat(memory): add TInlineAllocator and the corresponding testing 2023-02-22 23:33:10 +08:00
3 changed files with 267 additions and 151 deletions
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79
Redcraft.Utility/Source/Private/Testing/ContainersTesting.cpp
View File

@ -14,35 +14,38 @@ void TestContainers()
TestArray();
}
void TestArray()
NAMESPACE_UNNAMED_BEGIN
template <typename Allocator, size_t Capacity>
void TestArrayTemplate()
{
{
TArray<int32> ArrayA;
TArray<int32> ArrayB(4);
TArray<int32> ArrayC(4, 4);
TArray<int32> ArrayD(ArrayC);
TArray<int32> ArrayE(MoveTemp(ArrayB));
TArray<int32> ArrayF({ 0, 1, 2, 3 });
TArray<int32, Allocator> ArrayA;
TArray<int32, Allocator> ArrayB(4);
TArray<int32, Allocator> ArrayC(4, 4);
TArray<int32, Allocator> ArrayD(ArrayC);
TArray<int32, Allocator> ArrayE(MoveTemp(ArrayB));
TArray<int32, Allocator> ArrayF({ 0, 1, 2, 3 });
TArray<int32> ArrayG;
TArray<int32> ArrayH;
TArray<int32> ArrayI;
TArray<int32, Allocator> ArrayG;
TArray<int32, Allocator> ArrayH;
TArray<int32, Allocator> ArrayI;
ArrayG = ArrayD;
ArrayH = MoveTemp(ArrayE);
ArrayI = { 0, 1, 2, 3 };
always_check((ArrayC == TArray<int32>({ 4, 4, 4, 4 })));
always_check((ArrayD == TArray<int32>({ 4, 4, 4, 4 })));
always_check((ArrayG == TArray<int32>({ 4, 4, 4, 4 })));
always_check((ArrayF == TArray<int32>({ 0, 1, 2, 3 })));
always_check((ArrayI == TArray<int32>({ 0, 1, 2, 3 })));
always_check((ArrayC == TArray<int32, Allocator>({ 4, 4, 4, 4 })));
always_check((ArrayD == TArray<int32, Allocator>({ 4, 4, 4, 4 })));
always_check((ArrayG == TArray<int32, Allocator>({ 4, 4, 4, 4 })));
always_check((ArrayF == TArray<int32, Allocator>({ 0, 1, 2, 3 })));
always_check((ArrayI == TArray<int32, Allocator>({ 0, 1, 2, 3 })));
}
{
TArray<int32> ArrayA = { 1, 2, 3 };
TArray<int32> ArrayB = { 7, 8, 9, 10 };
TArray<int32> ArrayC = { 1, 2, 3 };
TArray<int32, Allocator> ArrayA = { 1, 2, 3 };
TArray<int32, Allocator> ArrayB = { 7, 8, 9, 10 };
TArray<int32, Allocator> ArrayC = { 1, 2, 3 };
always_check((!(ArrayA == ArrayB)));
always_check(( (ArrayA != ArrayB)));
@ -60,25 +63,25 @@ void TestArray()
}
{
TArray<int32> Array = { 1, 2, 3 };
TArray<int32, Allocator> Array = { 1, 2, 3 };
Array.Insert(Array.Begin() + 1, 2);
always_check((Array == TArray<int32>({ 1, 2, 2, 3 })));
always_check((Array == TArray<int32, Allocator>({ 1, 2, 2, 3 })));
Array.Insert(Array.End(), 2, 4);
always_check((Array == TArray<int32>({ 1, 2, 2, 3, 4, 4 })));
always_check((Array == TArray<int32, Allocator>({ 1, 2, 2, 3, 4, 4 })));
Array.Insert(Array.Begin(), { 1, 1, 4, 5, 1, 4 });
always_check((Array == TArray<int32>({ 1, 1, 4, 5, 1, 4, 1, 2, 2, 3, 4, 4 })));
always_check((Array == TArray<int32, Allocator>({ 1, 1, 4, 5, 1, 4, 1, 2, 2, 3, 4, 4 })));
Array.Emplace(Array.End(), 5);
always_check((Array == TArray<int32>({ 1, 1, 4, 5, 1, 4, 1, 2, 2, 3, 4, 4, 5 })));
always_check((Array == TArray<int32, Allocator>({ 1, 1, 4, 5, 1, 4, 1, 2, 2, 3, 4, 4, 5 })));
Array.StableErase(Array.End() - 1);
always_check((Array == TArray<int32>({ 1, 1, 4, 5, 1, 4, 1, 2, 2, 3, 4, 4 })));
always_check((Array == TArray<int32, Allocator>({ 1, 1, 4, 5, 1, 4, 1, 2, 2, 3, 4, 4 })));
Array.StableErase(Array.End() - 2, Array.End());
always_check((Array == TArray<int32>({ 1, 1, 4, 5, 1, 4, 1, 2, 2, 3 })));
always_check((Array == TArray<int32, Allocator>({ 1, 1, 4, 5, 1, 4, 1, 2, 2, 3 })));
Array.Erase(Array.End() - 2);
always_check((Array.Num() == 9));
@ -88,33 +91,43 @@ void TestArray()
}
{
TArray<int32> Array = { 1, 2, 3 };
TArray<int32, Allocator> Array = { 1, 2, 3 };
Array.PushBack(4);
always_check((Array == TArray<int32>({ 1, 2, 3, 4 })));
always_check((Array == TArray<int32, Allocator>({ 1, 2, 3, 4 })));
Array.EmplaceBack(5);
always_check((Array == TArray<int32>({ 1, 2, 3, 4, 5 })));
always_check((Array == TArray<int32, Allocator>({ 1, 2, 3, 4, 5 })));
Array.EmplaceBack(5) = 6;
always_check((Array == TArray<int32>({ 1, 2, 3, 4, 5, 6 })));
always_check((Array == TArray<int32, Allocator>({ 1, 2, 3, 4, 5, 6 })));
Array.PopBack();
always_check((Array == TArray<int32>({ 1, 2, 3, 4, 5 })));
always_check((Array == TArray<int32, Allocator>({ 1, 2, 3, 4, 5 })));
Array.SetNum(4);
always_check((Array == TArray<int32>({ 1, 2, 3, 4 })));
always_check((Array == TArray<int32, Allocator>({ 1, 2, 3, 4 })));
Array.Reserve(64);
always_check((Array.Num() == 4));
always_check((Array.Max() == 64));
always_check((Array.Max() == 64 || Array.Max() == Capacity));
Array.Shrink();
always_check((Array.Num() == 4));
always_check((Array.Max() == 4));
always_check((Array.Max() == 4 || Array.Max() == Capacity));
}
}
NAMESPACE_UNNAMED_END
void TestArray()
{
TestArrayTemplate<FDefaultAllocator, 0>();
TestArrayTemplate<FHeapAllocator, 0>();
TestArrayTemplate<TInlineAllocator<8>, 8>();
TestArrayTemplate<TFixedAllocator<64>, 64>();
}
NAMESPACE_END(Testing)
NAMESPACE_MODULE_END(Utility)

218
Redcraft.Utility/Source/Public/Containers/Array.h
View File

@ -26,23 +26,23 @@ class TArrayStorage<T, A, true> : private A
{
public:
FORCEINLINE constexpr TArrayStorage() = default;
FORCEINLINE TArrayStorage() = default;
FORCEINLINE constexpr TArrayStorage(const TArrayStorage&) = delete;
FORCEINLINE constexpr TArrayStorage(TArrayStorage&& InValue) = delete;
FORCEINLINE constexpr TArrayStorage& operator=(const TArrayStorage&) = delete;
FORCEINLINE constexpr TArrayStorage& operator=(TArrayStorage&&) = delete;
FORCEINLINE TArrayStorage(const TArrayStorage&) = delete;
FORCEINLINE TArrayStorage(TArrayStorage&& InValue) = delete;
FORCEINLINE TArrayStorage& operator=(const TArrayStorage&) = delete;
FORCEINLINE TArrayStorage& operator=(TArrayStorage&&) = delete;
FORCEINLINE constexpr T*& GetPointer() { return Pointer; }
FORCEINLINE constexpr T* GetPointer() const { return Pointer; }
FORCEINLINE T*& GetPointer() { return Pointer; }
FORCEINLINE T* GetPointer() const { return Pointer; }
FORCEINLINE constexpr size_t& GetNum() { return ArrayNum; }
FORCEINLINE constexpr size_t GetNum() const { return ArrayNum; }
FORCEINLINE constexpr size_t& GetMax() { return ArrayMax; }
FORCEINLINE constexpr size_t GetMax() const { return ArrayMax; }
FORCEINLINE size_t& GetNum() { return ArrayNum; }
FORCEINLINE size_t GetNum() const { return ArrayNum; }
FORCEINLINE size_t& GetMax() { return ArrayMax; }
FORCEINLINE size_t GetMax() const { return ArrayMax; }
FORCEINLINE constexpr A& GetAllocator() { return *this; }
FORCEINLINE constexpr const A& GetAllocator() const { return *this; }
FORCEINLINE A& GetAllocator() { return *this; }
FORCEINLINE const A& GetAllocator() const { return *this; }
private:
@ -61,23 +61,23 @@ class TArrayStorage<T, A, false>
{
public:
FORCEINLINE constexpr TArrayStorage() = default;
FORCEINLINE TArrayStorage() = default;
FORCEINLINE constexpr TArrayStorage(const TArrayStorage&) = delete;
FORCEINLINE constexpr TArrayStorage(TArrayStorage&& InValue) = delete;
FORCEINLINE constexpr TArrayStorage& operator=(const TArrayStorage&) = delete;
FORCEINLINE constexpr TArrayStorage& operator=(TArrayStorage&&) = delete;
FORCEINLINE TArrayStorage(const TArrayStorage&) = delete;
FORCEINLINE TArrayStorage(TArrayStorage&& InValue) = delete;
FORCEINLINE TArrayStorage& operator=(const TArrayStorage&) = delete;
FORCEINLINE TArrayStorage& operator=(TArrayStorage&&) = delete;
FORCEINLINE constexpr T*& GetPointer() { return Pointer; }
FORCEINLINE constexpr T* GetPointer() const { return Pointer; }
FORCEINLINE T*& GetPointer() { return Pointer; }
FORCEINLINE T* GetPointer() const { return Pointer; }
FORCEINLINE constexpr size_t& GetNum() { return ArrayNum; }
FORCEINLINE constexpr size_t GetNum() const { return ArrayNum; }
FORCEINLINE constexpr size_t& GetMax() { return ArrayMax; }
FORCEINLINE constexpr size_t GetMax() const { return ArrayMax; }
FORCEINLINE size_t& GetNum() { return ArrayNum; }
FORCEINLINE size_t GetNum() const { return ArrayNum; }
FORCEINLINE size_t& GetMax() { return ArrayMax; }
FORCEINLINE size_t GetMax() const { return ArrayMax; }
FORCEINLINE constexpr A& GetAllocator() { return Allocator; }
FORCEINLINE constexpr const A& GetAllocator() const { return Allocator; }
FORCEINLINE A& GetAllocator() { return Allocator; }
FORCEINLINE const A& GetAllocator() const { return Allocator; }
private:
@ -98,53 +98,53 @@ public:
using ElementType = T;
# if DO_CHECK
FORCEINLINE constexpr TArrayIterator() : Owner(nullptr) { }
FORCEINLINE TArrayIterator() : Owner(nullptr) { }
# else
FORCEINLINE constexpr TArrayIterator() = default;
FORCEINLINE TArrayIterator() = default;
# endif
# if DO_CHECK
FORCEINLINE constexpr TArrayIterator(const TArrayIterator<ArrayType, TRemoveConst<ElementType>>& InValue) requires (CConst<ElementType>)
FORCEINLINE TArrayIterator(const TArrayIterator<ArrayType, TRemoveConst<ElementType>>& InValue) requires (CConst<ElementType>)
: Owner(InValue.Owner), Pointer(InValue.Pointer)
{ }
# else
FORCEINLINE constexpr TArrayIterator(const TArrayIterator<ArrayType, TRemoveConst<ElementType>>& InValue) requires (CConst<ElementType>)
FORCEINLINE TArrayIterator(const TArrayIterator<ArrayType, TRemoveConst<ElementType>>& InValue) requires (CConst<ElementType>)
: Pointer(InValue.Pointer)
{ }
# endif
FORCEINLINE constexpr TArrayIterator(const TArrayIterator&) = default;
FORCEINLINE constexpr TArrayIterator(TArrayIterator&&) = default;
FORCEINLINE constexpr TArrayIterator& operator=(const TArrayIterator&) = default;
FORCEINLINE constexpr TArrayIterator& operator=(TArrayIterator&&) = default;
FORCEINLINE TArrayIterator(const TArrayIterator&) = default;
FORCEINLINE TArrayIterator(TArrayIterator&&) = default;
FORCEINLINE TArrayIterator& operator=(const TArrayIterator&) = default;
FORCEINLINE TArrayIterator& operator=(TArrayIterator&&) = default;
NODISCARD friend FORCEINLINE constexpr bool operator==(const TArrayIterator& LHS, const TArrayIterator& RHS) { return LHS.Pointer == RHS.Pointer; }
NODISCARD friend FORCEINLINE bool operator==(const TArrayIterator& LHS, const TArrayIterator& RHS) { return LHS.Pointer == RHS.Pointer; }
NODISCARD friend FORCEINLINE constexpr strong_ordering operator<=>(const TArrayIterator & LHS, const TArrayIterator & RHS) { return LHS.Pointer <=> RHS.Pointer; }
NODISCARD friend FORCEINLINE strong_ordering operator<=>(const TArrayIterator & LHS, const TArrayIterator & RHS) { return LHS.Pointer <=> RHS.Pointer; }
NODISCARD FORCEINLINE constexpr ElementType& operator*() const { CheckThis(true); return *Pointer; }
NODISCARD FORCEINLINE constexpr ElementType* operator->() const { CheckThis(true); return Pointer; }
NODISCARD FORCEINLINE ElementType& operator*() const { CheckThis(true); return *Pointer; }
NODISCARD FORCEINLINE ElementType* operator->() const { CheckThis(true); return Pointer; }
NODISCARD FORCEINLINE constexpr ElementType& operator[](ptrdiff Index) const { TArrayIterator Temp = *this + Index; return *Temp; }
NODISCARD FORCEINLINE ElementType& operator[](ptrdiff Index) const { TArrayIterator Temp = *this + Index; return *Temp; }
FORCEINLINE constexpr TArrayIterator& operator++() { ++Pointer; CheckThis(); return *this; }
FORCEINLINE constexpr TArrayIterator& operator--() { --Pointer; CheckThis(); return *this; }
FORCEINLINE TArrayIterator& operator++() { ++Pointer; CheckThis(); return *this; }
FORCEINLINE TArrayIterator& operator--() { --Pointer; CheckThis(); return *this; }
FORCEINLINE constexpr TArrayIterator operator++(int) { TArrayIterator Temp = *this; ++Pointer; CheckThis(); return Temp; }
FORCEINLINE constexpr TArrayIterator operator--(int) { TArrayIterator Temp = *this; --Pointer; CheckThis(); return Temp; }
FORCEINLINE TArrayIterator operator++(int) { TArrayIterator Temp = *this; ++Pointer; CheckThis(); return Temp; }
FORCEINLINE TArrayIterator operator--(int) { TArrayIterator Temp = *this; --Pointer; CheckThis(); return Temp; }
FORCEINLINE constexpr TArrayIterator& operator+=(ptrdiff Offset) { Pointer += Offset; CheckThis(); return *this; }
FORCEINLINE constexpr TArrayIterator& operator-=(ptrdiff Offset) { Pointer -= Offset; CheckThis(); return *this; }
FORCEINLINE TArrayIterator& operator+=(ptrdiff Offset) { Pointer += Offset; CheckThis(); return *this; }
FORCEINLINE TArrayIterator& operator-=(ptrdiff Offset) { Pointer -= Offset; CheckThis(); return *this; }
NODISCARD friend FORCEINLINE constexpr TArrayIterator operator+(TArrayIterator Iter, ptrdiff Offset) { TArrayIterator Temp = Iter; Temp += Offset; return Temp; }
NODISCARD friend FORCEINLINE constexpr TArrayIterator operator+(ptrdiff Offset, TArrayIterator Iter) { TArrayIterator Temp = Iter; Temp += Offset; return Temp; }
NODISCARD friend FORCEINLINE TArrayIterator operator+(TArrayIterator Iter, ptrdiff Offset) { TArrayIterator Temp = Iter; Temp += Offset; return Temp; }
NODISCARD friend FORCEINLINE TArrayIterator operator+(ptrdiff Offset, TArrayIterator Iter) { TArrayIterator Temp = Iter; Temp += Offset; return Temp; }
NODISCARD FORCEINLINE constexpr TArrayIterator operator-(ptrdiff Offset) const { TArrayIterator Temp = *this; Temp -= Offset; return Temp; }
NODISCARD FORCEINLINE TArrayIterator operator-(ptrdiff Offset) const { TArrayIterator Temp = *this; Temp -= Offset; return Temp; }
NODISCARD friend FORCEINLINE constexpr ptrdiff operator-(const TArrayIterator& LHS, const TArrayIterator& RHS) { LHS.CheckThis(); RHS.CheckThis(); return LHS.Pointer - RHS.Pointer; }
NODISCARD friend FORCEINLINE ptrdiff operator-(const TArrayIterator& LHS, const TArrayIterator& RHS) { LHS.CheckThis(); RHS.CheckThis(); return LHS.Pointer - RHS.Pointer; }
NODISCARD FORCEINLINE constexpr explicit operator ElementType*() requires (!CConst<ElementType>) { CheckThis(); return Pointer; }
NODISCARD FORCEINLINE constexpr explicit operator const ElementType*() const { CheckThis(); return Pointer; }
NODISCARD FORCEINLINE explicit operator ElementType*() requires (!CConst<ElementType>) { CheckThis(); return Pointer; }
NODISCARD FORCEINLINE explicit operator const ElementType*() const { CheckThis(); return Pointer; }
private:
@ -155,11 +155,11 @@ private:
ElementType* Pointer;
# if DO_CHECK
FORCEINLINE constexpr TArrayIterator(const ArrayType* InContainer, ElementType* InPointer)
FORCEINLINE TArrayIterator(const ArrayType* InContainer, ElementType* InPointer)
: Owner(InContainer), Pointer(InPointer)
{ }
# else
FORCEINLINE constexpr TArrayIterator(const ArrayType* InContainer, ElementType* InPointer)
FORCEINLINE TArrayIterator(const ArrayType* InContainer, ElementType* InPointer)
: Pointer(InPointer)
{ }
# endif
@ -198,10 +198,10 @@ public:
static_assert(CContiguousIterator<ConstIterator>);
/** Default constructor. Constructs an empty container with a default-constructed allocator. */
FORCEINLINE constexpr TArray() : TArray(0) { }
FORCEINLINE TArray() : TArray(0) { }
/** Constructs the container with 'Count' default instances of T. */
constexpr explicit TArray(size_t Count) requires (CDefaultConstructible<ElementType>)
explicit TArray(size_t Count) requires (CDefaultConstructible<ElementType>)
{
Storage.GetNum() = Count;
Storage.GetMax() = Storage.GetAllocator().CalculateSlackReserve(Num());
@ -211,7 +211,7 @@ public:
}
/** Constructs the container with 'Count' copies of elements with 'InValue'. */
constexpr TArray(size_t Count, const ElementType& InValue) requires (CCopyConstructible<ElementType>)
TArray(size_t Count, const ElementType& InValue) requires (CCopyConstructible<ElementType>)
{
Storage.GetNum() = Count;
Storage.GetMax() = Storage.GetAllocator().CalculateSlackReserve(Num());
@ -225,11 +225,11 @@ public:
/** Constructs the container with the contents of the range ['First', 'Last'). */
template <CInputIterator I, CSentinelFor<I> S> requires (CConstructibleFrom<ElementType, TIteratorReferenceType<I>> && CMovable<ElementType>)
constexpr TArray(I First, S Last)
TArray(I First, S Last)
{
if constexpr (CForwardIterator<I>)
{
if constexpr (CSizedSentinelFor<S, I>) checkf(First <= Last, TEXT("Illegal range iterator. Please check First <= Last."));
if (CSizedSentinelFor<S, I>) checkf(First <= Last, TEXT("Illegal range iterator. Please check First <= Last."));
const size_t Count = Iteration::Distance(First, Last);
@ -257,7 +257,7 @@ public:
}
/** Copy constructor. Constructs the container with the copy of the contents of 'InValue'. */
constexpr TArray(const TArray& InValue) requires (CCopyConstructible<ElementType>)
TArray(const TArray& InValue) requires (CCopyConstructible<ElementType>)
{
Storage.GetNum() = InValue.Num();
Storage.GetMax() = Storage.GetAllocator().CalculateSlackReserve(Num());
@ -267,7 +267,7 @@ public:
}
/** Move constructor. After the move, 'InValue' is guaranteed to be empty. */
constexpr TArray(TArray&& InValue) requires (CMoveConstructible<ElementType>)
TArray(TArray&& InValue) requires (CMoveConstructible<ElementType>)
{
Storage.GetNum() = InValue.Num();
@ -290,17 +290,17 @@ public:
}
/** Constructs the container with the contents of the initializer list. */
FORCEINLINE constexpr TArray(initializer_list<ElementType> IL) requires (CCopyConstructible<ElementType>) : TArray(Iteration::Begin(IL), Iteration::End(IL)) { }
FORCEINLINE TArray(initializer_list<ElementType> IL) requires (CCopyConstructible<ElementType>) : TArray(Iteration::Begin(IL), Iteration::End(IL)) { }
/** Destructs the array. The destructors of the elements are called and the used storage is deallocated. */
constexpr ~TArray()
~TArray()
{
Memory::Destruct(Storage.GetPointer(),Num());
Storage.GetAllocator().Deallocate(Storage.GetPointer());
}
/** Copy assignment operator. Replaces the contents with a copy of the contents of 'InValue'. */
constexpr TArray& operator=(const TArray& InValue) requires (CCopyable<ElementType>)
TArray& operator=(const TArray& InValue) requires (CCopyable<ElementType>)
{
if (&InValue == this) UNLIKELY return *this;
@ -341,7 +341,7 @@ public:
}
/** Move assignment operator. After the move, 'InValue' is guaranteed to be empty. */
constexpr TArray& operator=(TArray&& InValue) requires (CMovable<ElementType>)
TArray& operator=(TArray&& InValue) requires (CMovable<ElementType>)
{
if (&InValue == this) UNLIKELY return *this;
@ -400,7 +400,7 @@ public:
}
/** Replaces the contents with those identified by initializer list. */
constexpr TArray& operator=(initializer_list<ElementType> IL) requires (CCopyable<ElementType>)
TArray& operator=(initializer_list<ElementType> IL) requires (CCopyable<ElementType>)
{
size_t NumToAllocate = GetNum(IL);
@ -439,7 +439,7 @@ public:
}
/** Compares the contents of two arrays. */
NODISCARD friend constexpr bool operator==(const TArray& LHS, const TArray& RHS) requires (CWeaklyEqualityComparable<ElementType>)
NODISCARD friend bool operator==(const TArray& LHS, const TArray& RHS) requires (CWeaklyEqualityComparable<ElementType>)
{
if (LHS.Num() != RHS.Num()) return false;
@ -460,7 +460,7 @@ public:
}
/** Compares the contents of two arrays. */
NODISCARD friend constexpr auto operator<=>(const TArray& LHS, const TArray& RHS) requires (CSynthThreeWayComparable<ElementType>)
NODISCARD friend auto operator<=>(const TArray& LHS, const TArray& RHS) requires (CSynthThreeWayComparable<ElementType>)
{
using OrderingType = TSynthThreeWayResult<ElementType>;
@ -486,7 +486,7 @@ public:
}
/** Inserts 'InValue' before 'Iter' in the container. */
constexpr Iterator Insert(ConstIterator Iter, const ElementType& InValue) requires (CCopyable<ElementType>)
Iterator Insert(ConstIterator Iter, const ElementType& InValue) requires (CCopyable<ElementType>)
{
checkf(IsValidIterator(Iter), TEXT("Read access violation. Please check IsValidIterator()."));
@ -534,7 +534,7 @@ public:
}
/** Inserts 'InValue' before 'Iter' in the container. */
constexpr Iterator Insert(ConstIterator Iter, ElementType&& InValue) requires (CMovable<ElementType>)
Iterator Insert(ConstIterator Iter, ElementType&& InValue) requires (CMovable<ElementType>)
{
checkf(IsValidIterator(Iter), TEXT("Read access violation. Please check IsValidIterator()."));
@ -582,7 +582,7 @@ public:
}
/** Inserts 'Count' copies of the 'InValue' before 'Iter' in the container. */
constexpr Iterator Insert(ConstIterator Iter, size_t Count, const ElementType& InValue) requires (CCopyable<ElementType>)
Iterator Insert(ConstIterator Iter, size_t Count, const ElementType& InValue) requires (CCopyable<ElementType>)
{
checkf(IsValidIterator(Iter), TEXT("Read access violation. Please check IsValidIterator()."));
@ -683,13 +683,13 @@ public:
/** Inserts elements from range ['First', 'Last') before 'Iter'. */
template <CInputIterator I, CSentinelFor<I> S> requires (CConstructibleFrom<ElementType, TIteratorReferenceType<I>>
&& CAssignableFrom<ElementType&, TIteratorReferenceType<I>> && CMovable<ElementType>)
constexpr Iterator Insert(ConstIterator Iter, I First, S Last)
Iterator Insert(ConstIterator Iter, I First, S Last)
{
checkf(IsValidIterator(Iter), TEXT("Read access violation. Please check IsValidIterator()."));
if constexpr (CForwardIterator<I>)
{
if constexpr (CSizedSentinelFor<S, I>) checkf(First <= Last, TEXT("Illegal range iterator. Please check First <= Last."));
if (CSizedSentinelFor<S, I>) checkf(First <= Last, TEXT("Illegal range iterator. Please check First <= Last."));
const size_t InsertIndex = Iter - Begin();
const size_t Count = Iteration::Distance(First, Last);
@ -766,14 +766,14 @@ public:
}
/** Inserts elements from initializer list before 'Iter' in the container. */
FORCEINLINE constexpr Iterator Insert(ConstIterator Iter, initializer_list<ElementType> IL) requires (CCopyable<ElementType>)
FORCEINLINE Iterator Insert(ConstIterator Iter, initializer_list<ElementType> IL) requires (CCopyable<ElementType>)
{
return Insert(Iter, Iteration::Begin(IL), Iteration::End(IL));
}
/** Inserts a new element into the container directly before 'Iter'. */
template <typename... Ts> requires (CConstructibleFrom<ElementType, Ts...> && CMovable<ElementType>)
constexpr Iterator Emplace(ConstIterator Iter, Ts&&... Args)
Iterator Emplace(ConstIterator Iter, Ts&&... Args)
{
checkf(IsValidIterator(Iter), TEXT("Read access violation. Please check IsValidIterator()."));
@ -821,7 +821,7 @@ public:
}
/** Removes the element at 'Iter' in the container. Without changing the order of elements. */
FORCEINLINE constexpr Iterator StableErase(ConstIterator Iter, bool bAllowShrinking = true) requires (CMovable<ElementType>)
FORCEINLINE Iterator StableErase(ConstIterator Iter, bool bAllowShrinking = true) requires (CMovable<ElementType>)
{
checkf(IsValidIterator(Iter) && Iter != End(), TEXT("Read access violation. Please check IsValidIterator()."));
@ -829,7 +829,7 @@ public:
}
/** Removes the elements in the range ['First', 'Last') in the container. Without changing the order of elements. */
constexpr Iterator StableErase(ConstIterator First, ConstIterator Last, bool bAllowShrinking = true) requires (CMovable<ElementType>)
Iterator StableErase(ConstIterator First, ConstIterator Last, bool bAllowShrinking = true) requires (CMovable<ElementType>)
{
checkf(IsValidIterator(First) && IsValidIterator(Last) && First <= Last, TEXT("Read access violation. Please check IsValidIterator()."));
@ -871,7 +871,7 @@ public:
}
/** Removes the element at 'Iter' in the container. But it may change the order of elements. */
FORCEINLINE constexpr Iterator Erase(ConstIterator Iter, bool bAllowShrinking = true) requires (CMovable<ElementType>)
FORCEINLINE Iterator Erase(ConstIterator Iter, bool bAllowShrinking = true) requires (CMovable<ElementType>)
{
checkf(IsValidIterator(Iter) && Iter != End(), TEXT("Read access violation. Please check IsValidIterator()."));
@ -879,7 +879,7 @@ public:
}
/** Removes the elements in the range ['First', 'Last') in the container. But it may change the order of elements. */
constexpr Iterator Erase(ConstIterator First, ConstIterator Last, bool bAllowShrinking = true) requires (CMovable<ElementType>)
Iterator Erase(ConstIterator First, ConstIterator Last, bool bAllowShrinking = true) requires (CMovable<ElementType>)
{
checkf(IsValidIterator(First) && IsValidIterator(Last) && First <= Last, TEXT("Read access violation. Please check IsValidIterator()."));
@ -923,20 +923,20 @@ public:
}
/** Appends the given element value to the end of the container. */
FORCEINLINE constexpr void PushBack(const ElementType& InValue) requires (CCopyable<ElementType>)
FORCEINLINE void PushBack(const ElementType& InValue) requires (CCopyable<ElementType>)
{
EmplaceBack(InValue);
}
/** Appends the given element value to the end of the container. */
FORCEINLINE constexpr void PushBack(ElementType&& InValue) requires (CMovable<ElementType>)
FORCEINLINE void PushBack(ElementType&& InValue) requires (CMovable<ElementType>)
{
EmplaceBack(MoveTemp(InValue));
}
/** Appends a new element to the end of the container. */
template <typename... Ts> requires (CConstructibleFrom<ElementType, Ts...> && CMovable<ElementType>)
constexpr ElementType& EmplaceBack(Ts&&... Args)
ElementType& EmplaceBack(Ts&&... Args)
{
const size_t NumToAllocate = Num() + 1 > Max() ? Storage.GetAllocator().CalculateSlackGrow(Num() + 1, Max()) : Max();
@ -968,13 +968,13 @@ public:
}
/** Removes the last element of the container. The array cannot be empty. */
FORCEINLINE constexpr void PopBack(bool bAllowShrinking = true) requires (CMovable<ElementType>)
FORCEINLINE void PopBack(bool bAllowShrinking = true) requires (CMovable<ElementType>)
{
Erase(End() - 1, bAllowShrinking);
}
/** Resizes the container to contain 'Count' elements. Additional default elements are appended. */
constexpr void SetNum(size_t Count, bool bAllowShrinking = true) requires (CDefaultConstructible<ElementType> && CMovable<ElementType>)
void SetNum(size_t Count, bool bAllowShrinking = true) requires (CDefaultConstructible<ElementType> && CMovable<ElementType>)
{
size_t NumToAllocate = Count;
@ -1020,7 +1020,7 @@ public:
}
/** Resizes the container to contain 'Count' elements. Additional copies of 'InValue' are appended. */
constexpr void SetNum(size_t Count, const ElementType& InValue, bool bAllowShrinking = true) requires (CCopyConstructible<ElementType> && CMovable<ElementType>)
void SetNum(size_t Count, const ElementType& InValue, bool bAllowShrinking = true) requires (CCopyConstructible<ElementType> && CMovable<ElementType>)
{
size_t NumToAllocate = Count;
@ -1073,7 +1073,7 @@ public:
}
/** Increase the max capacity of the array to a value that's greater or equal to 'Count'. */
constexpr void Reserve(size_t Count) requires (CMovable<ElementType>)
void Reserve(size_t Count) requires (CMovable<ElementType>)
{
if (Count <= Max()) return;
@ -1092,7 +1092,7 @@ public:
}
/** Requests the removal of unused capacity. */
constexpr void Shrink()
void Shrink()
{
size_t NumToAllocate = Storage.GetAllocator().CalculateSlackReserve(Num());
@ -1112,45 +1112,45 @@ public:
}
/** @return The pointer to the underlying element storage. */
NODISCARD FORCEINLINE constexpr TObserverPtr< ElementType[]> GetData() { return Storage.GetPointer(); }
NODISCARD FORCEINLINE constexpr TObserverPtr<const ElementType[]> GetData() const { return Storage.GetPointer(); }
NODISCARD FORCEINLINE TObserverPtr< ElementType[]> GetData() { return Storage.GetPointer(); }
NODISCARD FORCEINLINE TObserverPtr<const ElementType[]> GetData() const { return Storage.GetPointer(); }
/** @return The iterator to the first or end element. */
NODISCARD FORCEINLINE constexpr Iterator Begin() { return Iterator(this, Storage.GetPointer()); }
NODISCARD FORCEINLINE constexpr ConstIterator Begin() const { return ConstIterator(this, Storage.GetPointer()); }
NODISCARD FORCEINLINE constexpr Iterator End() { return Iterator(this, Storage.GetPointer() + Num()); }
NODISCARD FORCEINLINE constexpr ConstIterator End() const { return ConstIterator(this, Storage.GetPointer() + Num()); }
NODISCARD FORCEINLINE Iterator Begin() { return Iterator(this, Storage.GetPointer()); }
NODISCARD FORCEINLINE ConstIterator Begin() const { return ConstIterator(this, Storage.GetPointer()); }
NODISCARD FORCEINLINE Iterator End() { return Iterator(this, Storage.GetPointer() + Num()); }
NODISCARD FORCEINLINE ConstIterator End() const { return ConstIterator(this, Storage.GetPointer() + Num()); }
/** @return The reverse iterator to the first or end element. */
NODISCARD FORCEINLINE constexpr ReverseIterator RBegin() { return ReverseIterator(End()); }
NODISCARD FORCEINLINE constexpr ConstReverseIterator RBegin() const { return ConstReverseIterator(End()); }
NODISCARD FORCEINLINE constexpr ReverseIterator REnd() { return ReverseIterator(Begin()); }
NODISCARD FORCEINLINE constexpr ConstReverseIterator REnd() const { return ConstReverseIterator(Begin()); }
NODISCARD FORCEINLINE ReverseIterator RBegin() { return ReverseIterator(End()); }
NODISCARD FORCEINLINE ConstReverseIterator RBegin() const { return ConstReverseIterator(End()); }
NODISCARD FORCEINLINE ReverseIterator REnd() { return ReverseIterator(Begin()); }
NODISCARD FORCEINLINE ConstReverseIterator REnd() const { return ConstReverseIterator(Begin()); }
/** @return The number of elements in the container. */
NODISCARD FORCEINLINE constexpr size_t Num() const { return Storage.GetNum(); }
NODISCARD FORCEINLINE size_t Num() const { return Storage.GetNum(); }
/** @return The number of elements that can be held in currently allocated storage. */
NODISCARD FORCEINLINE constexpr size_t Max() const { return Storage.GetMax(); }
NODISCARD FORCEINLINE size_t Max() const { return Storage.GetMax(); }
/** @return true if the container is empty, false otherwise. */
NODISCARD FORCEINLINE constexpr bool IsEmpty() const { return Num() == 0; }
NODISCARD FORCEINLINE bool IsEmpty() const { return Num() == 0; }
/** @return true if the iterator is valid, false otherwise. */
NODISCARD FORCEINLINE constexpr bool IsValidIterator(ConstIterator Iter) const { return Begin() <= Iter && Iter <= End(); }
NODISCARD FORCEINLINE bool IsValidIterator(ConstIterator Iter) const { return Begin() <= Iter && Iter <= End(); }
/** @return The reference to the requested element. */
NODISCARD FORCEINLINE constexpr ElementType& operator[](size_t Index) { checkf(Index < Num(), TEXT("Read access violation. Please check IsValidIterator().")); return Storage.GetPointer()[Index]; }
NODISCARD FORCEINLINE constexpr const ElementType& operator[](size_t Index) const { checkf(Index < Num(), TEXT("Read access violation. Please check IsValidIterator().")); return Storage.GetPointer()[Index]; }
NODISCARD FORCEINLINE ElementType& operator[](size_t Index) { checkf(Index < Num(), TEXT("Read access violation. Please check IsValidIterator().")); return Storage.GetPointer()[Index]; }
NODISCARD FORCEINLINE const ElementType& operator[](size_t Index) const { checkf(Index < Num(), TEXT("Read access violation. Please check IsValidIterator().")); return Storage.GetPointer()[Index]; }
/** @return The reference to the first or last element. */
NODISCARD FORCEINLINE constexpr ElementType& Front() { return *Begin(); }
NODISCARD FORCEINLINE constexpr const ElementType& Front() const { return *Begin(); }
NODISCARD FORCEINLINE constexpr ElementType& Back() { return *(End() - 1); }
NODISCARD FORCEINLINE constexpr const ElementType& Back() const { return *(End() - 1); }
NODISCARD FORCEINLINE ElementType& Front() { return *Begin(); }
NODISCARD FORCEINLINE const ElementType& Front() const { return *Begin(); }
NODISCARD FORCEINLINE ElementType& Back() { return *(End() - 1); }
NODISCARD FORCEINLINE const ElementType& Back() const { return *(End() - 1); }
/** Erases all elements from the container. After this call, Num() returns zero. */
constexpr void Reset(bool bAllowShrinking = true)
void Reset(bool bAllowShrinking = true)
{
const size_t NumToAllocate = Storage.GetAllocator().CalculateSlackReserve(0);
@ -1171,7 +1171,7 @@ public:
}
/** Overloads the GetTypeHash algorithm for TArray. */
NODISCARD friend FORCEINLINE constexpr size_t GetTypeHash(const TArray& A) requires (CHashable<ElementType>)
NODISCARD friend FORCEINLINE size_t GetTypeHash(const TArray& A) requires (CHashable<ElementType>)
{
size_t Result = 0;
@ -1184,7 +1184,7 @@ public:
}
/** Overloads the Swap algorithm for TArray. */
friend constexpr void Swap(TArray& A, TArray& B) requires (CMovable<ElementType>)
friend void Swap(TArray& A, TArray& B) requires (CMovable<ElementType>)
{
const bool bIsTransferable =
A.Storage.GetAllocator().IsTransferable(A.Storage.GetPointer()) &&

121
Redcraft.Utility/Source/Public/Memory/Allocator.h
View File

@ -24,8 +24,10 @@ concept CInstantiableAllocator = CDerivedFrom<T, FAllocatorInterface> && !CSameA
struct FAllocatorInterface
{
template <CObject T>
struct ForElementType : private FSingleton
class ForElementType : private FSingleton
{
public:
/**
* Allocates uninitialized storage.
* Should be allocated according to the results given by the CalculateSlackReserve() family,
@ -39,16 +41,16 @@ struct FAllocatorInterface
FORCEINLINE void Deallocate(T* InPtr) = delete;
/** @return true if allocation can be deallocated by another allocator, otherwise false. */
NODISCARD FORCEINLINE bool IsTransferable(T* InPtr) { return true; }
NODISCARD FORCEINLINE bool IsTransferable(T* InPtr) const { return true; }
/** Calculates the amount of slack to allocate for an array that has just grown to a given number of elements. */
NODISCARD FORCEINLINE constexpr size_t CalculateSlackGrow(size_t Num, size_t NumAllocated) const = delete;
NODISCARD FORCEINLINE size_t CalculateSlackGrow(size_t Num, size_t NumAllocated) const = delete;
/** Calculates the amount of slack to allocate for an array that has just shrunk to a given number of elements. */
NODISCARD FORCEINLINE constexpr size_t CalculateSlackShrink(size_t Num, size_t NumAllocated) const = delete;
NODISCARD FORCEINLINE size_t CalculateSlackShrink(size_t Num, size_t NumAllocated) const = delete;
/** Calculates the amount of slack to allocate for an array that has just grown or shrunk to a given number of elements. */
NODISCARD FORCEINLINE constexpr size_t CalculateSlackReserve(size_t Num) const = delete;
NODISCARD FORCEINLINE size_t CalculateSlackReserve(size_t Num) const = delete;
};
};
@ -57,8 +59,10 @@ struct FAllocatorInterface
struct FHeapAllocator : public FAllocatorInterface
{
template <CObject T>
struct ForElementType : public FAllocatorInterface::ForElementType<T>
class ForElementType : public FAllocatorInterface::ForElementType<T>
{
public:
NODISCARD FORCEINLINE T* Allocate(size_t InNum)
{
return InNum != 0 ? static_cast<T*>(Memory::Malloc(Memory::QuantizeSize(InNum * sizeof(T)), alignof(T))) : nullptr;
@ -69,7 +73,7 @@ struct FHeapAllocator : public FAllocatorInterface
Memory::Free(InPtr);
}
NODISCARD FORCEINLINE constexpr size_t CalculateSlackGrow(size_t Num, size_t NumAllocated) const
NODISCARD FORCEINLINE size_t CalculateSlackGrow(size_t Num, size_t NumAllocated) const
{
const size_t FirstGrow = 4;
const size_t ConstantGrow = 16;
@ -85,7 +89,7 @@ struct FHeapAllocator : public FAllocatorInterface
return Result;
}
NODISCARD FORCEINLINE constexpr size_t CalculateSlackShrink(size_t Num, size_t NumAllocated) const
NODISCARD FORCEINLINE size_t CalculateSlackShrink(size_t Num, size_t NumAllocated) const
{
size_t Result;
@ -108,7 +112,7 @@ struct FHeapAllocator : public FAllocatorInterface
return Result;
}
NODISCARD FORCEINLINE constexpr size_t CalculateSlackReserve(size_t Num) const
NODISCARD FORCEINLINE size_t CalculateSlackReserve(size_t Num) const
{
return Num != 0 ? Memory::QuantizeSize(Num * sizeof(T), alignof(T)) / sizeof(T) : 0;
}
@ -118,6 +122,105 @@ struct FHeapAllocator : public FAllocatorInterface
using FDefaultAllocator = FHeapAllocator;
/**
* The inline allocator allocates up to a specified number of elements in the same allocation as the container.
* Any allocation needed beyond that causes all data to be moved into an indirect allocation.
*/
template <size_t NumInline, CInstantiableAllocator SecondaryAllocator = FDefaultAllocator>
struct TInlineAllocator : public FAllocatorInterface
{
template <CObject T>
class ForElementType : public FAllocatorInterface::ForElementType<T>
{
public:
NODISCARD FORCEINLINE T* Allocate(size_t InNum)
{
if (InNum == 0) return nullptr;
check(InNum >= NumInline);
if (InNum == NumInline) return reinterpret_cast<T*>(&InlineStorage);
return Secondary.Allocate(InNum);
}
FORCEINLINE void Deallocate(T* InPtr)
{
if (InPtr == reinterpret_cast<T*>(&InlineStorage)) return;
Secondary.Deallocate(InPtr);
}
NODISCARD FORCEINLINE bool IsTransferable(T* InPtr) const
{
if (InPtr == reinterpret_cast<const T*>(&InlineStorage)) return false;
return Secondary.IsTransferable(InPtr);
}
NODISCARD FORCEINLINE size_t CalculateSlackGrow(size_t Num, size_t NumAllocated) const
{
check(Num > NumAllocated);
check(NumAllocated >= NumInline);
if (Num <= NumInline) return NumInline;
return Secondary.CalculateSlackGrow(Num, NumAllocated <= NumInline ? 0 : NumAllocated);
}
NODISCARD FORCEINLINE size_t CalculateSlackShrink(size_t Num, size_t NumAllocated) const
{
check(Num < NumAllocated);
check(NumAllocated >= NumInline);
if (Num <= NumInline) return NumInline;
return Secondary.CalculateSlackShrink(Num, NumAllocated);
}
NODISCARD FORCEINLINE size_t CalculateSlackReserve(size_t Num) const
{
if (Num <= NumInline) return NumInline;
return Secondary.CalculateSlackReserve(Num);
}
private:
TAlignedStorage<sizeof(T), alignof(T)> InlineStorage[NumInline];
typename SecondaryAllocator::template ForElementType<T> Secondary;
};
};
/** This is a null allocator for which all operations are illegal. */
struct FNullAllocator : public FAllocatorInterface
{
template <CObject T>
class ForElementType : public FAllocatorInterface::ForElementType<T>
{
public:
NODISCARD FORCEINLINE T* Allocate(size_t InNum) { check_no_entry(); return nullptr; }
FORCEINLINE void Deallocate(T* InPtr) { check_no_entry(); }
NODISCARD FORCEINLINE bool IsTransferable(T* InPtr) const { check_no_entry(); return false; }
NODISCARD FORCEINLINE size_t CalculateSlackGrow(size_t Num, size_t NumAllocated) const { check_no_entry(); return 0; }
NODISCARD FORCEINLINE size_t CalculateSlackShrink(size_t Num, size_t NumAllocated) const { check_no_entry(); return 0; }
NODISCARD FORCEINLINE size_t CalculateSlackReserve(size_t Num) const { check_no_entry(); return 0; }
};
};
template <size_t Num>
using TFixedAllocator = TInlineAllocator<Num, FNullAllocator>;
NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft)
NAMESPACE_REDCRAFT_END