| // Copyright 2021 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 INCLUDE_V8_EXTERNAL_H_ |
| #define INCLUDE_V8_EXTERNAL_H_ |
| |
| #include "v8-value.h" // NOLINT(build/include_directory) |
| #include "v8config.h" // NOLINT(build/include_directory) |
| |
| namespace v8 { |
| |
| class Isolate; |
| |
| /** |
| * A JavaScript value that wraps a C++ void*. This type of value is mainly used |
| * to associate C++ data structures with JavaScript objects. |
| */ |
| class V8_EXPORT External : public Value { |
| public: |
| static Local<External> New(Isolate* isolate, void* value); |
| V8_INLINE static External* Cast(Value* value) { |
| #ifdef V8_ENABLE_CHECKS |
| CheckCast(value); |
| #endif |
| return static_cast<External*>(value); |
| } |
| |
| void* Value() const; |
| |
| private: |
| static void CheckCast(v8::Value* obj); |
| }; |
| |
| } // namespace v8 |
| |
| #endif // INCLUDE_V8_EXTERNAL_H_ |