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1d6adf7432
PR-URL: https://github.com/nodejs/node/pull/32831 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef INCLUDE_CPPGC_GC_INFO_H_
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#define INCLUDE_CPPGC_GC_INFO_H_
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#include <stdint.h>
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#include "include/cppgc/finalizer-trait.h"
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#include "include/v8config.h"
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namespace cppgc {
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namespace internal {
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using GCInfoIndex = uint16_t;
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class V8_EXPORT RegisteredGCInfoIndex final {
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public:
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RegisteredGCInfoIndex(FinalizationCallback finalization_callback,
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bool has_v_table);
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GCInfoIndex GetIndex() const { return index_; }
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private:
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const GCInfoIndex index_;
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};
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// Trait determines how the garbage collector treats objects wrt. to traversing,
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// finalization, and naming.
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template <typename T>
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struct GCInfoTrait {
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static GCInfoIndex Index() {
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static_assert(sizeof(T), "T must be fully defined");
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static const RegisteredGCInfoIndex registered_index(
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FinalizerTrait<T>::kCallback, std::is_polymorphic<T>::value);
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return registered_index.GetIndex();
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}
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};
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} // namespace internal
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} // namespace cppgc
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#endif // INCLUDE_CPPGC_GC_INFO_H_
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