chromium/v8/src/heap/weak-object-worklists.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 V8_HEAP_WEAK_OBJECT_WORKLISTS_H_
#define V8_HEAP_WEAK_OBJECT_WORKLISTS_H_

#include "src/common/globals.h"
#include "src/heap/base/worklist.h"
#include "src/objects/heap-object.h"
#include "src/objects/js-weak-refs.h"

namespace v8 {
namespace internal {

struct Ephemeron { … };

namespace detail {
// SlotType will be HeapObjectSlot, which is defined in "globals.h" as an
// incomplete type. Its definition depends on whether pointer compression
// is used. It needs to be defined before this type is used.
template <typename SlotType>
struct HeapObjectAndSlotPOD { … };
}  // namespace detail

HeapObjectAndSlot;

struct HeapObjectAndCode { … };

class EphemeronHashTable;
class JSFunction;
class SharedFunctionInfo;
class TransitionArray;

// Weak objects and weak references discovered during incremental/concurrent
// marking. They are processed in ClearNonLiveReferences after marking.
// Each entry in this list specifies:
// 1) Type of the worklist entry.
// 2) Lower-case name of the worklsit.
// 3) Capitalized name of the worklist.
//
// If you add a new entry, then you also need to implement the corresponding
// Update*() function in the cc file for updating pointers after Scavenge.
#define WEAK_OBJECT_WORKLISTS(F) …

class WeakObjects final { … };

}  // namespace internal
}  // namespace v8

#endif  // V8_HEAP_WEAK_OBJECT_WORKLISTS_H_