chromium/v8/src/profiler/heap-snapshot-generator.h

// Copyright 2013 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_PROFILER_HEAP_SNAPSHOT_GENERATOR_H_
#define V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_H_

#include <deque>
#include <memory>
#include <optional>
#include <unordered_map>
#include <unordered_set>
#include <vector>

#include "include/v8-profiler.h"
#include "src/base/platform/time.h"
#include "src/execution/isolate.h"
#include "src/objects/fixed-array.h"
#include "src/objects/hash-table.h"
#include "src/objects/heap-object.h"
#include "src/objects/js-objects.h"
#include "src/objects/literal-objects.h"
#include "src/objects/objects.h"
#include "src/objects/string.h"
#include "src/objects/visitors.h"
#include "src/profiler/strings-storage.h"
#include "src/strings/string-hasher.h"

#ifdef V8_ENABLE_HEAP_SNAPSHOT_VERIFY
#include "src/heap/reference-summarizer.h"
#endif

namespace v8::internal {

class AllocationTraceNode;
class HeapEntry;
class HeapProfiler;
class HeapSnapshot;
class HeapSnapshotGenerator;
class IsolateSafepointScope;
class JSArrayBuffer;
class JSCollection;
class JSGeneratorObject;
class JSGlobalObject;
class JSGlobalProxy;
class JSPromise;
class JSWeakCollection;

struct EntrySourceLocation { … };

class HeapGraphEdge { … };


// HeapEntry instances represent an entity from the heap (or a special
// virtual node, e.g. root).
class HeapEntry { … };

// HeapSnapshot represents a single heap snapshot. It is stored in
// HeapProfiler, which is also a factory for
// HeapSnapshots. All HeapSnapshots share strings copied from JS heap
// to be able to return them even if they were collected.
// HeapSnapshotGenerator fills in a HeapSnapshot.
class HeapSnapshot { … };


class HeapObjectsMap { … };

// A typedef for referencing anything that can be snapshotted living
// in any kind of heap memory.
HeapThing;

// An interface that creates HeapEntries by HeapThings.
class HeapEntriesAllocator { … };

class SnapshottingProgressReportingInterface { … };

// An implementation of V8 heap graph extractor.
class V8_EXPORT_PRIVATE V8HeapExplorer : public HeapEntriesAllocator { … };

// An implementation of retained native objects extractor.
class NativeObjectsExplorer { … };

class HeapEntryVerifier;

class HeapSnapshotGenerator : public SnapshottingProgressReportingInterface { … };

class OutputStreamWriter;

class HeapSnapshotJSONSerializer { … };

}  // namespace v8::internal

#endif  // V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_H_