MemoryAllocator.hpp

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#ifndef DART_COMMON_MEMORYALLOCATOR_HPP_
#define DART_COMMON_MEMORYALLOCATOR_HPP_
 
#include <cstddef>
#include <iostream>
#include <string>
 
#include "dart/common/Castable.hpp"
 
namespace dart::common {
 
class MemoryAllocator : public Castable<MemoryAllocator>
{
public:
  static MemoryAllocator& GetDefault();
 
  MemoryAllocator() noexcept = default;
 
  virtual ~MemoryAllocator() = default;
 
  [[nodiscard]] virtual const std::string& getType() const = 0;
 
  [[nodiscard]] virtual void* allocate(size_t bytes) noexcept = 0;
  // TODO(JS): Make this constexpr once migrated to C++20
 
  template <typename T>
  [[nodiscard]] T* allocateAs(size_t n = 1) noexcept;
 
  virtual void deallocate(void* pointer, size_t bytes) = 0;
  // TODO(JS): Make this constexpr once migrated to C++20
 
  template <typename T, typename... Args>
  [[nodiscard]] T* construct(Args&&... args) noexcept;
 
  template <typename T, typename... Args>
  [[nodiscard]] T* constructAt(void* pointer, Args&&... args);
 
  template <typename T, typename... Args>
  [[nodiscard]] T* constructAt(T* pointer, Args&&... args);
 
  template <typename T>
  void destroy(T* object) noexcept;
 
  virtual void print(std::ostream& os = std::cout, int indent = 0) const;
 
  friend std::ostream& operator<<(
      std::ostream& os, const MemoryAllocator& allocator);
};
 
} // namespace dart::common
 
#include "dart/common/detail/MemoryAllocator-impl.hpp"
 
#endif // DART_COMMON_MEMORYALLOCATOR_HPP_