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// Copyright 2016 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_SNAPSHOT_PARTIAL_SERIALIZER_H_ #define V8_SNAPSHOT_PARTIAL_SERIALIZER_H_ #include "src/objects/contexts.h" #include "src/snapshot/serializer.h" #include "src/utils/address-map.h" namespace v8 { namespace internal { class StartupSerializer; class V8_EXPORT_PRIVATE PartialSerializer : public Serializer { public: PartialSerializer(Isolate* isolate, StartupSerializer* startup_serializer, v8::SerializeEmbedderFieldsCallback callback); ~PartialSerializer() override; // Serialize the objects reachable from a single object pointer. void Serialize(Context* o, bool include_global_proxy); bool can_be_rehashed() const { return can_be_rehashed_; } private: void SerializeObject(HeapObject o) override; bool ShouldBeInThePartialSnapshotCache(HeapObject o); bool SerializeJSObjectWithEmbedderFields(Object obj); void CheckRehashability(HeapObject obj); StartupSerializer* startup_serializer_; v8::SerializeEmbedderFieldsCallback serialize_embedder_fields_; // Indicates whether we only serialized hash tables that we can rehash. // TODO(yangguo): generalize rehashing, and remove this flag. bool can_be_rehashed_; Context context_; // Used to store serialized data for embedder fields. SnapshotByteSink embedder_fields_sink_; DISALLOW_COPY_AND_ASSIGN(PartialSerializer); }; } // namespace internal } // namespace v8 #endif // V8_SNAPSHOT_PARTIAL_SERIALIZER_H_