chromium/v8/src/heap/scavenger.h

// Copyright 2015 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_SCAVENGER_H_
#define V8_HEAP_SCAVENGER_H_

#include "src/base/platform/condition-variable.h"
#include "src/heap/base/worklist.h"
#include "src/heap/ephemeron-remembered-set.h"
#include "src/heap/evacuation-allocator.h"
#include "src/heap/index-generator.h"
#include "src/heap/mutable-page-metadata.h"
#include "src/heap/objects-visiting.h"
#include "src/heap/parallel-work-item.h"
#include "src/heap/pretenuring-handler.h"
#include "src/heap/slot-set.h"

namespace v8 {
namespace internal {

class RootScavengeVisitor;
class Scavenger;
class ScavengeVisitor;

enum class CopyAndForwardResult { … };

ObjectAndSize;
using SurvivingNewLargeObjectsMap =
    std::unordered_map<Tagged<HeapObject>, Tagged<Map>, Object::Hasher>;
SurvivingNewLargeObjectMapEntry;

class ScavengerCollector;

class Scavenger { … };

// Helper class for turning the scavenger into an object visitor that is also
// filtering out non-HeapObjects and objects which do not reside in new space.
class RootScavengeVisitor final : public RootVisitor { … };

class ScavengerCollector { … };

}  // namespace internal
}  // namespace v8

#endif  // V8_HEAP_SCAVENGER_H_