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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_INTERNAL_GC_INFO_H_
#define INCLUDE_CPPGC_INTERNAL_GC_INFO_H_

#include <stdint.h>

#include "cppgc/internal/finalizer-trait.h"
#include "v8config.h"  // NOLINT(build/include_directory)

namespace cppgc {
namespace internal {

using GCInfoIndex = uint16_t;

class V8_EXPORT RegisteredGCInfoIndex final {
 public:
  RegisteredGCInfoIndex(FinalizationCallback finalization_callback,
                        bool has_v_table);
  GCInfoIndex GetIndex() const { return index_; }

 private:
  const GCInfoIndex index_;
};

// Trait determines how the garbage collector treats objects wrt. to traversing,
// finalization, and naming.
template <typename T>
struct GCInfoTrait {
  static GCInfoIndex Index() {
    static_assert(sizeof(T), "T must be fully defined");
    static const RegisteredGCInfoIndex registered_index(
        FinalizerTrait<T>::kCallback, std::is_polymorphic<T>::value);
    return registered_index.GetIndex();
  }
};

}  // namespace internal
}  // namespace cppgc

#endif  // INCLUDE_CPPGC_INTERNAL_GC_INFO_H_

	// 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_INTERNAL_GC_INFO_H_
	#define INCLUDE_CPPGC_INTERNAL_GC_INFO_H_

	#include <stdint.h>

	#include "cppgc/internal/finalizer-trait.h"
	#include "v8config.h" // NOLINT(build/include_directory)

	namespace cppgc {
	namespace internal {

	using GCInfoIndex = uint16_t;

	class V8_EXPORT RegisteredGCInfoIndex final {
	public:
	RegisteredGCInfoIndex(FinalizationCallback finalization_callback,
	bool has_v_table);
	GCInfoIndex GetIndex() const { return index_; }

	private:
	const GCInfoIndex index_;
	};

	// Trait determines how the garbage collector treats objects wrt. to traversing,
	// finalization, and naming.
	template <typename T>
	struct GCInfoTrait {
	static GCInfoIndex Index() {
	static_assert(sizeof(T), "T must be fully defined");
	static const RegisteredGCInfoIndex registered_index(
	FinalizerTrait<T>::kCallback, std::is_polymorphic<T>::value);
	return registered_index.GetIndex();
	}
	};

	} // namespace internal
	} // namespace cppgc

	#endif // INCLUDE_CPPGC_INTERNAL_GC_INFO_H_