heap-handle.h

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// Copyright 2022 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_HANDLE_H_
#define INCLUDE_CPPGC_HEAP_HANDLE_H_
 
#include "v8config.h"              // NOLINT(build/include_directory)
 
namespace cppgc {
 
namespace internal {
class HeapBase;
class WriteBarrierTypeForCagedHeapPolicy;
class WriteBarrierTypeForNonCagedHeapPolicy;
}  // namespace internal
 
/**
 * Opaque handle used for additional heap APIs.
 */
class HeapHandle {
 public:
  // Deleted copy ctor to avoid treating the type by value.
  HeapHandle(const HeapHandle&) = delete;
  HeapHandle& operator=(const HeapHandle&) = delete;
 
 private:
  HeapHandle() = default;
 
  V8_INLINE bool is_incremental_marking_in_progress() const {
    return is_incremental_marking_in_progress_;
  }
 
  V8_INLINE bool is_young_generation_enabled() const {
    return is_young_generation_enabled_;
  }
 
  bool is_incremental_marking_in_progress_ = false;
  bool is_young_generation_enabled_ = false;
 
  friend class internal::HeapBase;
  friend class internal::WriteBarrierTypeForCagedHeapPolicy;
  friend class internal::WriteBarrierTypeForNonCagedHeapPolicy;
};
 
}  // namespace cppgc
 
#endif  // INCLUDE_CPPGC_HEAP_HANDLE_H_