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Name	Size	Permission	Date
internal	[ DIR ]	drwxr-xr-x	2024-03-12 22:00
allocation.h	5.55 KB	-rw-r--r--	2023-02-16 16:16
common.h	824 B	-rw-r--r--	2023-02-16 16:16
custom-space.h	1.53 KB	-rw-r--r--	2023-02-16 16:16
garbage-collected.h	6.48 KB	-rw-r--r--	2023-02-16 16:16
heap.h	1.61 KB	-rw-r--r--	2023-02-16 16:16
liveness-broker.h	1.33 KB	-rw-r--r--	2023-02-16 16:16
macros.h	863 B	-rw-r--r--	2023-02-16 16:16
member.h	7.16 KB	-rw-r--r--	2023-02-16 16:16
persistent.h	11.14 KB	-rw-r--r--	2023-02-16 16:16
platform.h	921 B	-rw-r--r--	2023-02-16 16:16
prefinalizer.h	2.25 KB	-rw-r--r--	2023-02-16 16:16
source-location.h	1.82 KB	-rw-r--r--	2023-02-16 16:16
trace-trait.h	1.67 KB	-rw-r--r--	2023-02-16 16:16
type-traits.h	3.06 KB	-rw-r--r--	2023-02-16 16:16
visitor.h	4.85 KB	-rw-r--r--	2023-02-16 16:16

Rename

// 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_PREFINALIZER_H_
#define INCLUDE_CPPGC_PREFINALIZER_H_

#include "cppgc/internal/accessors.h"
#include "cppgc/internal/compiler-specific.h"
#include "cppgc/internal/prefinalizer-handler.h"
#include "cppgc/liveness-broker.h"
#include "cppgc/macros.h"

namespace cppgc {

namespace internal {

template <typename T>
class PrefinalizerRegistration final {
 public:
  explicit PrefinalizerRegistration(T* self) {
    static_assert(sizeof(&T::InvokePreFinalizer) > 0,
                  "USING_PRE_FINALIZER(T) must be defined.");

cppgc::internal::PreFinalizerRegistrationDispatcher::RegisterPrefinalizer(
        internal::GetHeapFromPayload(self), {self, T::InvokePreFinalizer});
  }

void* operator new(size_t, void* location) = delete;
  void* operator new(size_t) = delete;
};

}  // namespace internal

#define CPPGC_USING_PRE_FINALIZER(Class, PreFinalizer)                      \
 public:                                                                    \
  static bool InvokePreFinalizer(const LivenessBroker& liveness_broker,     \
                                 void* object) {                            \
    static_assert(internal::IsGarbageCollectedTypeV<Class>,                 \
                  "Only garbage collected objects can have prefinalizers"); \
    Class* self = static_cast<Class*>(object);                              \
    if (liveness_broker.IsHeapObjectAlive(self)) return false;              \
    self->Class::PreFinalizer();                                            \
    return true;                                                            \
  }                                                                         \
                                                                            \
 private:                                                                   \
  CPPGC_NO_UNIQUE_ADDRESS internal::PrefinalizerRegistration<Class>         \
      prefinalizer_dummy_{this};                                            \
  friend class internal::__thisIsHereToForceASemicolonAfterThisMacro

}  // namespace cppgc

#endif  // INCLUDE_CPPGC_PREFINALIZER_H_