partial-deserializer.h 1.36 KB
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// Copyright 2017 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_DESERIALIZER_H_
#define V8_SNAPSHOT_PARTIAL_DESERIALIZER_H_

#include "src/snapshot/deserializer.h"
#include "src/snapshot/snapshot.h"

namespace v8 {
namespace internal {

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class Context;

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// Deserializes the context-dependent object graph rooted at a given object.
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// The PartialDeserializer is not expected to deserialize any code objects.
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class PartialDeserializer final : public Deserializer<> {
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 public:
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  static MaybeHandle<Context> DeserializeContext(
      Isolate* isolate, const SnapshotData* data, bool can_rehash,
      Handle<JSGlobalProxy> global_proxy,
      v8::DeserializeEmbedderFieldsCallback embedder_fields_deserializer);

 private:
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  explicit PartialDeserializer(const SnapshotData* data)
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      : Deserializer(data, false) {}

  // Deserialize a single object and the objects reachable from it.
  MaybeHandle<Object> Deserialize(
      Isolate* isolate, Handle<JSGlobalProxy> global_proxy,
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      v8::DeserializeEmbedderFieldsCallback embedder_fields_deserializer);

  void DeserializeEmbedderFields(
      v8::DeserializeEmbedderFieldsCallback embedder_fields_deserializer);
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};

}  // namespace internal
}  // namespace v8

#endif  // V8_SNAPSHOT_PARTIAL_DESERIALIZER_H_