[+] std::pmr requirements

This commit is contained in:
Reece Wilson 2024-04-20 22:37:07 +01:00
parent aa04b11a57
commit 7935159290
2 changed files with 122 additions and 27 deletions

View File

@ -9,6 +9,18 @@
namespace Aurora::Memory
{
namespace detail
{
struct AccessorICantEven
{
template <class T, class Z>
cstatic void Set(const T &fuckCpp, Z that)
{
fuckCpp.pFuckCppRetardsFixYourWorthlessSpec2 = decltype(fuckCpp.pFuckCppRetardsFixYourWorthlessSpec2)(that);
}
};
}
template <class T>
struct CppHeapWrapper
{
@ -66,10 +78,17 @@ namespace Aurora::Memory
pFuckCppRetardsFixYourWorthlessSpec(pFuckCppRetardsFixYourWorthlessSpec)
{ }
template <class T>
inline CppHeapWrapper(const CppHeapWrapper<T> &fuckCpp)
{
this->pFuckCppRetardsFixYourWorthlessSpec = (CppHeapWrapper *)&fuckCpp;
detail::AccessorICantEven::Set(fuckCpp, this);
}
inline CppHeapWrapper(const CppHeapWrapper &fuckCpp)
{
this->pFuckCppRetardsFixYourWorthlessSpec = (CppHeapWrapper *)&fuckCpp;
fuckCpp.pFuckCppRetardsFixYourWorthlessSpec2 = this;
detail::AccessorICantEven::Set(fuckCpp, this);
}
inline CppHeapWrapper(CppHeapWrapper &&fuckCpp)
@ -102,54 +121,113 @@ namespace Aurora::Memory
AU_DEF(CppHeapWrapper)
AU_OPERATOR_COPY_MOVE(CppHeapWrapper)
constexpr void deallocate(const T *pType,
const size_t count)
void *allocate_bytes(std::size_t nbytes,
std::size_t alignment = alignof(std::max_align_t))
{
this->GetHeapRaw()->Free((T *)pType);
}
constexpr AU_ALLOC T *allocate(const size_t count)
{
if (!count)
if (auto pRet = this->GetHeapRaw()->FAlloc(nbytes, alignment))
{
return nullptr;
return pRet;
}
auto pData = this->GetHeapRaw()->FAlloc(count * sizeof(T), alignof(T));
if (!pData)
else
{
throw std::bad_alloc();
}
return (T *)pData;
}
void deallocate_bytes(void *p,
std::size_t nbytes,
std::size_t alignment = alignof(std::max_align_t)) noexcept
{
return this->GetHeapRaw()->Free(p);
}
#if defined(AU_LANG_CPP_23)
std::allocation_result<T *> allocate_at_least(const size_t count)
{
auto pThat = this->allocate(count);
return { (T *)pThat, this->GetHeapRaw()->GetChunkSize(pThat) / sizeof(T) };
}
#endif
template <class U, class... Args >
void construct(U *p, Args&&... args)
{
if constexpr (AuIsClass_v<T>)
if constexpr (AuIsClass_v<U>)
{
new ((void *)p) T(AuForward<Args &&>(args)...);
new ((void *)p) U(AuForward<Args &&>(args)...);
}
}
template <class U, class... Args >
void construct_at(U *p, Args&&... args)
{
if constexpr (AuIsClass_v<T>)
if constexpr (AuIsClass_v<U>)
{
new ((void *)p) T(AuForward<Args &&>(args)...);
new ((void *)p) U(AuForward<Args &&>(args)...);
}
}
#if defined(AU_LANG_CPP_23)
constexpr std::allocation_result<T *> allocate_at_least(const size_t count)
void deallocate(const T *pType,
const size_t count) noexcept
{
auto pThat = this->allocate(count);
return { (T *)pThat, this->GetHeapRaw()->GetChunkSize(pThat) / sizeof(T) };
this->deallocate_bytes((void *)pType, 0, 0);
}
#endif
std::shared_ptr<Heap> GetHeap()
AU_ALLOC T *allocate(const size_t count)
{
if (!count)
{
return nullptr;
}
return (T *)this->allocate_bytes(count * sizeof(T), alignof(T));
}
template <class U>
U *allocate_object(std::size_t n = 1)
{
return (U *)this->allocate_bytes(sizeof(U) * n, alignof(U));
}
template <class U>
void deallocate_object(U *p, std::size_t n = 1)
{
this->deallocate_bytes(p, 0, 0);
}
template <class U, class... CtorArgs>
U *new_object(CtorArgs&&... args)
{
U *p = this->allocate_object<U>();
if constexpr (AuIsClass_v<U> &&
!AuIsTriviallyConstructible_v<U, CtorArgs>)
{
try
{
this->construct(p, AuForward<CtorArgs>(args)...);
}
catch (...)
{
this->deallocate_object(p);
throw;
}
}
return p;
}
template <class U>
void delete_object(U *p)
{
if constexpr (AuIsClass_v<U> &&
!AuIsTriviallyDestructible_v<U>)
{
p->~U();
}
this->deallocate_object(p);
}
std::shared_ptr<Heap> GetHeap() const
{
if (this->pFuckCppRetardsFixYourWorthlessSpec)
{
@ -165,7 +243,7 @@ namespace Aurora::Memory
}
}
Heap *GetHeapRaw()
Heap *GetHeapRaw() const
{
if (this->pFuckCppRetardsFixYourWorthlessSpec)
{
@ -213,6 +291,16 @@ namespace Aurora::Memory
}
}
inline bool operator==(const CppHeapWrapper &heap)
{
return this->GetHeapRaw() == heap.GetHeapRaw();
}
template <class T>
inline bool operator==(const CppHeapWrapper<T> &heap)
{
return this->GetHeapRaw() == heap.GetHeapRaw();
}
private:
// should be sizeof(void *) * 4 = [pHeap, pControlBlock, pParent, pSingleThreadChild]
// nor not. it doesnt matter.
@ -224,5 +312,7 @@ namespace Aurora::Memory
#endif
mutable CppHeapWrapper *pFuckCppRetardsFixYourWorthlessSpec {};
mutable CppHeapWrapper *pFuckCppRetardsFixYourWorthlessSpec2 {};
friend struct detail::AccessorICantEven;
};
}

View File

@ -54,9 +54,14 @@ namespace Aurora::Memory
return _FAlloc(uLength, uAlignment);
}
static void __Free(void *buffer)
static void __Free(void *pHead)
{
_Free(buffer);
_Free(pHead);
}
static AuUInt __SizeOf(void *pHead)
{
return GetChunkSize(pHead);
}
#if !defined(_CPPSHARP)