Blink-compatible serialization of ArrayBuffer.

src/value-serializer.h

 // 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_VALUE_SERIALIZER_H_
 #define V8_VALUE_SERIALIZER_H_
 
 #include <cstdint>
 #include <vector>
 
 #include "include/v8.h"
 #include "src/base/compiler-specific.h"
 #include "src/base/macros.h"
 #include "src/identity-map.h"
 #include "src/vector.h"
 #include "src/zone.h"
 
 namespace v8 {
 namespace internal {
 
 class HeapNumber;
 class Isolate;
+class JSArrayBuffer;
 class JSDate;
 class JSMap;
 class JSRegExp;
 class JSSet;
 class JSValue;
 class Object;
 class Oddball;
 class Smi;
 
 enum class SerializationTag : uint8_t;
@@ skipping 28 matching lines @@
  private:
   // Writing the wire format.
   void WriteTag(SerializationTag tag);
   template <typename T>
   void WriteVarint(T value);
   template <typename T>
   void WriteZigZag(T value);
   void WriteDouble(double value);
   void WriteOneByteString(Vector<const uint8_t> chars);
   void WriteTwoByteString(Vector<const uc16> chars);
+  void WriteRawBytes(const void* source, size_t length);
   uint8_t* ReserveRawBytes(size_t bytes);
 
   // Writing V8 objects of various kinds.
   void WriteOddball(Oddball* oddball);
   void WriteSmi(Smi* smi);
   void WriteHeapNumber(HeapNumber* number);
   void WriteString(Handle<String> string);
   Maybe<bool> WriteJSReceiver(Handle<JSReceiver> receiver) WARN_UNUSED_RESULT;
   Maybe<bool> WriteJSObject(Handle<JSObject> object) WARN_UNUSED_RESULT;
   Maybe<bool> WriteJSArray(Handle<JSArray> array) WARN_UNUSED_RESULT;
   void WriteJSDate(JSDate* date);
   Maybe<bool> WriteJSValue(Handle<JSValue> value) WARN_UNUSED_RESULT;
   void WriteJSRegExp(JSRegExp* regexp);
   Maybe<bool> WriteJSMap(Handle<JSMap> map) WARN_UNUSED_RESULT;
   Maybe<bool> WriteJSSet(Handle<JSSet> map) WARN_UNUSED_RESULT;
+  Maybe<bool> WriteJSArrayBuffer(JSArrayBuffer* array_buffer);
 
   /*
    * Reads the specified keys from the object and writes key-value pairs to the
    * buffer. Returns the number of keys actually written, which may be smaller
    * if some keys are not own properties when accessed.
    */
   Maybe<uint32_t> WriteJSObjectProperties(
       Handle<JSObject> object, Handle<FixedArray> keys) WARN_UNUSED_RESULT;
 
   Isolate* const isolate_;
@@ skipping 55 matching lines @@
   MaybeHandle<String> ReadUtf8String() WARN_UNUSED_RESULT;
   MaybeHandle<String> ReadTwoByteString() WARN_UNUSED_RESULT;
   MaybeHandle<JSObject> ReadJSObject() WARN_UNUSED_RESULT;
   MaybeHandle<JSArray> ReadSparseJSArray() WARN_UNUSED_RESULT;
   MaybeHandle<JSArray> ReadDenseJSArray() WARN_UNUSED_RESULT;
   MaybeHandle<JSDate> ReadJSDate() WARN_UNUSED_RESULT;
   MaybeHandle<JSValue> ReadJSValue(SerializationTag tag) WARN_UNUSED_RESULT;
   MaybeHandle<JSRegExp> ReadJSRegExp() WARN_UNUSED_RESULT;
   MaybeHandle<JSMap> ReadJSMap() WARN_UNUSED_RESULT;
   MaybeHandle<JSSet> ReadJSSet() WARN_UNUSED_RESULT;
+  MaybeHandle<JSArrayBuffer> ReadJSArrayBuffer() WARN_UNUSED_RESULT;
 
   /*
    * Reads key-value pairs into the object until the specified end tag is
    * encountered. If successful, returns the number of properties read.
    */
   Maybe<uint32_t> ReadJSObjectProperties(Handle<JSObject> object,
                                          SerializationTag end_tag);
 
   // Manipulating the map from IDs to reified objects.
   bool HasObjectWithID(uint32_t id);
   MaybeHandle<JSReceiver> GetObjectWithID(uint32_t id);
   void AddObjectWithID(uint32_t id, Handle<JSReceiver> object);
 
   Isolate* const isolate_;
   const uint8_t* position_;
   const uint8_t* const end_;
   uint32_t version_ = 0;
   Handle<SeededNumberDictionary> id_map_;  // Always a global handle.
   uint32_t next_id_ = 0;
 
   DISALLOW_COPY_AND_ASSIGN(ValueDeserializer);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_VALUE_SERIALIZER_H_