ACIL FM

Nama	Ukuran	Aksi
internal	-	Open
allocation.h	11.61 MB	View DL Edit
common.h	643 B	View DL Edit
cross-thread-persistent.h	14.81 MB	View DL Edit
custom-space.h	2.4 MB	View DL Edit
default-platform.h	2.18 MB	View DL Edit
ephemeron-pair.h	804 B	View DL Edit
explicit-management.h	3.29 MB	View DL Edit
garbage-collected.h	3.11 MB	View DL Edit
heap-consistency.h	11.74 MB	View DL Edit
heap-handle.h	1.26 MB	View DL Edit
heap-state.h	2.57 MB	View DL Edit
heap-statistics.h	3.89 MB	View DL Edit
heap.h	5.7 MB	View DL Edit
liveness-broker.h	2.34 MB	View DL Edit
macros.h	1.31 MB	View DL Edit
member.h	23.55 MB	View DL Edit
name-provider.h	1.99 MB	View DL Edit
object-size-trait.h	1.6 MB	View DL Edit
persistent.h	13.61 MB	View DL Edit
platform.h	5.9 MB	View DL Edit
prefinalizer.h	2.88 MB	View DL Edit
process-heap-statistics.h	1009 B	View DL Edit
sentinel-pointer.h	1.18 MB	View DL Edit
source-location.h	414 B	View DL Edit
testing.h	2.96 MB	View DL Edit
trace-trait.h	3.4 MB	View DL Edit
type-traits.h	8.45 MB	View DL Edit
visitor.h	18.08 MB	View DL Edit

Edit file: /opt/cpanel/ea-nodejs22/include/node/cppgc/trace-trait.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_TRACE_TRAIT_H_
#define INCLUDE_CPPGC_TRACE_TRAIT_H_

#include <type_traits>

#include "cppgc/type-traits.h"
#include "v8config.h"  // NOLINT(build/include_directory)

namespace cppgc {

class Visitor;

namespace internal {

class RootVisitor;

using TraceRootCallback = void (*)(RootVisitor&, const void* object);

// Implementation of the default TraceTrait handling GarbageCollected and
// GarbageCollectedMixin.
template <typename T,
          bool =
              IsGarbageCollectedMixinTypeV<typename std::remove_const<T>::type>>
struct TraceTraitImpl;

}  // namespace internal

/**
 * Callback for invoking tracing on a given object.
 *
 * \param visitor The visitor to dispatch to.
 * \param object The object to invoke tracing on.
 */
using TraceCallback = void (*)(Visitor* visitor, const void* object);

/**
 * Describes how to trace an object, i.e., how to visit all Oilpan-relevant
 * fields of an object.
 */
struct TraceDescriptor {
  /**
   * Adjusted base pointer, i.e., the pointer to the class inheriting directly
   * from GarbageCollected, of the object that is being traced.
   */
  const void* base_object_payload;
  /**
   * Callback for tracing the object.
   */
  TraceCallback callback;
};

/**
 * Callback for getting a TraceDescriptor for a given address.
 *
 * \param address Possibly inner address of an object.
 * \returns a TraceDescriptor for the provided address.
 */
using TraceDescriptorCallback = TraceDescriptor (*)(const void* address);

namespace internal {

struct V8_EXPORT TraceTraitFromInnerAddressImpl {
  static TraceDescriptor GetTraceDescriptor(const void* address);
};

/**
 * Trait specifying how the garbage collector processes an object of type T.
 *
 * Advanced users may override handling by creating a specialization for their
 * type.
 */
template <typename T>
struct TraceTraitBase {
  static_assert(internal::IsTraceableV<T>, "T must have a Trace() method");

/**
   * Accessor for retrieving a TraceDescriptor to process an object of type T.
   *
   * \param self The object to be processed.
   * \returns a TraceDescriptor to process the object.
   */
  static TraceDescriptor GetTraceDescriptor(const void* self) {
    return internal::TraceTraitImpl<T>::GetTraceDescriptor(
        static_cast<const T*>(self));
  }

/**
   * Function invoking the tracing for an object of type T.
   *
   * \param visitor The visitor to dispatch to.
   * \param self The object to invoke tracing on.
   */
  static void Trace(Visitor* visitor, const void* self) {
    static_cast<const T*>(self)->Trace(visitor);
  }
};

}  // namespace internal

template <typename T>
struct TraceTrait : public internal::TraceTraitBase<T> {};

namespace internal {

template <typename T>
struct TraceTraitImpl<T, false> {
  static_assert(IsGarbageCollectedTypeV<T>,
                "T must be of type GarbageCollected or GarbageCollectedMixin");
  static TraceDescriptor GetTraceDescriptor(const void* self) {
    return {self, TraceTrait<T>::Trace};
  }
};

template <typename T>
struct TraceTraitImpl<T, true> {
  static TraceDescriptor GetTraceDescriptor(const void* self) {
    return internal::TraceTraitFromInnerAddressImpl::GetTraceDescriptor(self);
  }
};

}  // namespace internal
}  // namespace cppgc

#endif  // INCLUDE_CPPGC_TRACE_TRAIT_H_

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