chromium/v8/src/heap/reference-summarizer.cc

// Copyright 2022 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.

#include "src/heap/reference-summarizer.h"

#include "src/heap/mark-compact-inl.h"
#include "src/heap/marking-visitor-inl.h"
#include "src/objects/embedder-data-array-inl.h"
#include "src/objects/js-array-buffer-inl.h"

namespace v8 {
namespace internal {

namespace {

// A class which acts as a MarkingState but does not actually update any marking
// bits. It reports all objects as white and all transitions as successful. It
// also tracks which objects are retained by the primary object according to the
// marking visitor.
class ReferenceSummarizerMarkingState final { … };

class ReferenceSummarizerMarkingVisitor
    : public MarkingVisitorBase<ReferenceSummarizerMarkingVisitor> { … };

}  // namespace

ReferenceSummary ReferenceSummary::SummarizeReferencesFrom(
    Heap* heap, Tagged<HeapObject> obj) { … }

}  // namespace internal
}  // namespace v8