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// Copyright 2020 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef INCLUDE_CPPGC_HEAP_H_ #define INCLUDE_CPPGC_HEAP_H_ #include <memory> #include <vector> #include "cppgc/common.h" #include "cppgc/custom-space.h" #include "v8config.h" // NOLINT(build/include_directory) namespace cppgc { namespace internal { class Heap; } // namespace internal class V8_EXPORT Heap { public: /** * Specifies the stack state the embedder is in. */ using StackState = EmbedderStackState; struct HeapOptions { static HeapOptions Default() { return {}; } /** * Custom spaces added to heap are required to have indices forming a * numbered sequence starting at 0, i.e., their kSpaceIndex must correspond * to the index they reside in the vector. */ std::vector<std::unique_ptr<CustomSpaceBase>> custom_spaces; }; static std::unique_ptr<Heap> Create(HeapOptions = HeapOptions::Default()); virtual ~Heap() = default; /** * Forces garbage collection. * * \param source String specifying the source (or caller) triggering a * forced garbage collection. * \param reason String specifying the reason for the forced garbage * collection. * \param stack_state The embedder stack state, see StackState. */ void ForceGarbageCollectionSlow( const char* source, const char* reason, StackState stack_state = StackState::kMayContainHeapPointers); private: Heap() = default; friend class internal::Heap; }; } // namespace cppgc #endif // INCLUDE_CPPGC_HEAP_H_