139 lines
4.0 KiB
C++
139 lines
4.0 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: Heap.hpp
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Date: 2021-6-9
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Author: Reece
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***/
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#pragma once
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namespace Aurora::Memory
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{
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class Heap
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{
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public:
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virtual Types::size_t GetChunkSize(const void *head) = 0;
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template<typename T = void *>
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T ZAlloc(Types::size_t length)
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{
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return reinterpret_cast<T>(_ZAlloc(length));
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}
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template<typename T = void *>
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T ZAlloc(Types::size_t length, Types::size_t align)
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{
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return reinterpret_cast<T>(_ZAlloc(length, align));
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}
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template<typename T>
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T *ZAlloc()
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{
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return reinterpret_cast<T *>(_ZAlloc(sizeof(T)));
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}
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template<typename T>
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T *NewArray(Types::size_t count)
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{
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return ZAlloc<T *>(count * sizeof(T));
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}
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template<typename T>
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T *NewArray(Types::size_t count, Types::size_t align)
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{
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return ZAlloc<T *>(count * sizeof(T), align);
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}
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/// Fast, unsafe alloc
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template<typename T = void *>
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T FAlloc(Types::size_t length)
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{
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return reinterpret_cast<T>(_FAlloc(length));
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}
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template<typename T = void *>
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T FAlloc(Types::size_t length, Types::size_t align)
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{
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return reinterpret_cast<T>(_FAlloc(length, align));
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}
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template<typename T>
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T ZRealloc(T in, Types::size_t length)
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{
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return reinterpret_cast<T>(_ZRealloc(reinterpret_cast<void *>(in), length));
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}
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template<typename T>
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T ZRealloc(T in, Types::size_t length, Types::size_t alloc)
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{
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return reinterpret_cast<T>(_ZRealloc(reinterpret_cast<void *>(in), length), alloc);
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}
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template<typename T>
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T FRealloc(T in, Types::size_t length)
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{
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return reinterpret_cast<T>(_SRealloc(reinterpret_cast<void *>(in), length));
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}
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template<typename T>
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T FRealloc(T in, Types::size_t length, Types::size_t alloc)
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{
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return reinterpret_cast<T>(_SRealloc(reinterpret_cast<void *>(in), length), alloc);
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}
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template<typename T>
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void Free(T in)
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{
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_Free(reinterpret_cast<void *>(in));
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}
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template<typename T>
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AuSPtr<T> ToSmartPointer(T *in)
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{
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if (in == nullptr) return {};
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return
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std::shared_ptr<T>(in,
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[=](T *delt)
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{
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if constexpr (std::is_class_v<T>)
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{
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delt->~T();
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}
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this->Free(delt);
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});
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}
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template<typename T>
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static AuSPtr<T> ToSmartPointer(AuSPtr<Heap> heap, T *in)
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{
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return
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std::shared_ptr<T>(in,
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[=](T *delt)
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{
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heap->Free(delt);
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});
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}
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private:
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virtual AU_ALLOC void *_ZAlloc(Types::size_t length) = 0;
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virtual AU_ALLOC void *_ZAlloc(Types::size_t length, Types::size_t align) = 0;
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virtual AU_ALLOC void *_FAlloc(Types::size_t length) = 0;
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virtual AU_ALLOC void *_FAlloc(Types::size_t length, Types::size_t align) = 0;
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virtual AU_ALLOC void *_ZRealloc(void *buffer, Types::size_t length, Types::size_t align) = 0;
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virtual AU_ALLOC void *_ZRealloc(void *buffer, Types::size_t length) = 0;
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virtual AU_ALLOC void *_FRealloc(void *buffer, Types::size_t length, Types::size_t align) = 0;
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virtual AU_ALLOC void *_FRealloc(void *buffer, Types::size_t length) = 0;
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virtual void _Free(void* buffer) = 0;
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};
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/**
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Returns a heap interface backed by the default allocator
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*/
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AUKN_SHARED_API(GetDefaultDiscontiguousHeap, Heap);
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/**
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Allocates Fize amount of memory
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@return a heap backed by allocated memory
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*/
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AUKN_SHARED_API(AllocHeap, Heap, AuUInt size);
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} |