chromium/third_party/blink/renderer/platform/bindings/v8_private_property.h

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_V8_PRIVATE_PROPERTY_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_V8_PRIVATE_PROPERTY_H_

#include "base/memory/ptr_util.h"
#include "third_party/blink/renderer/platform/bindings/scoped_persistent.h"
#include "third_party/blink/renderer/platform/bindings/v8_binding_macros.h"
#include "third_party/blink/renderer/platform/bindings/v8_per_isolate_data.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"
#include "v8/include/v8.h"

namespace blink {

// Provides access to V8's private properties with a symbol key.
//
//   static const V8PrivateProperty::SymbolKey kPrivateProperty;
//   auto private_property = V8PrivateProperty::GetSymbol(
//       isolate, kPrivateProperty);
//   v8::Local<v8::Object> object = ...;
//   v8::Local<v8::Value> value;
//   if (!private_property.GetOrUndefined(object).ToLocal(&value)) return;
//   value = ...;
//   private_property.Set(object, value);
//   ...
class PLATFORM_EXPORT V8PrivateProperty { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_V8_PRIVATE_PROPERTY_H_