| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef TRACKING_MEM_RES_H |
| #define TRACKING_MEM_RES_H |
| |
| #include <cstddef> |
| #include <memory_resource> |
| |
| class TrackingMemRes : public std::pmr::memory_resource { |
| public: |
| TrackingMemRes(std::size_t* last_size, size_t* last_alginment) : last_size_(last_size), last_alginment_(last_alginment) {} |
| |
| private: |
| std::size_t* last_size_; |
| std::size_t* last_alginment_; |
| void* do_allocate(std::size_t size, size_t alignment) override { |
| *last_size_ = size; |
| *last_alginment_ = alignment; |
| |
| return std::pmr::new_delete_resource()->allocate(size, alignment); |
| } |
| |
| void do_deallocate(void* ptr, std::size_t size, size_t alignment) override { |
| *last_size_ = size; |
| *last_alginment_ = alignment; |
| std::pmr::new_delete_resource()->deallocate(ptr, size, alignment); |
| } |
| |
| bool do_is_equal(const memory_resource& ptr) const noexcept override { return &ptr == this; } |
| }; |
| |
| #endif // TRACKING_MEM_RES_H |