11cb0ef41Sopenharmony_ci// Copyright 2021 the V8 project authors. All rights reserved. 21cb0ef41Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be 31cb0ef41Sopenharmony_ci// found in the LICENSE file. 41cb0ef41Sopenharmony_ci 51cb0ef41Sopenharmony_ci#ifndef INCLUDE_V8_EXTERNAL_H_ 61cb0ef41Sopenharmony_ci#define INCLUDE_V8_EXTERNAL_H_ 71cb0ef41Sopenharmony_ci 81cb0ef41Sopenharmony_ci#include "v8-value.h" // NOLINT(build/include_directory) 91cb0ef41Sopenharmony_ci#include "v8config.h" // NOLINT(build/include_directory) 101cb0ef41Sopenharmony_ci 111cb0ef41Sopenharmony_cinamespace v8 { 121cb0ef41Sopenharmony_ci 131cb0ef41Sopenharmony_ciclass Isolate; 141cb0ef41Sopenharmony_ci 151cb0ef41Sopenharmony_ci/** 161cb0ef41Sopenharmony_ci * A JavaScript value that wraps a C++ void*. This type of value is mainly used 171cb0ef41Sopenharmony_ci * to associate C++ data structures with JavaScript objects. 181cb0ef41Sopenharmony_ci */ 191cb0ef41Sopenharmony_ciclass V8_EXPORT External : public Value { 201cb0ef41Sopenharmony_ci public: 211cb0ef41Sopenharmony_ci static Local<External> New(Isolate* isolate, void* value); 221cb0ef41Sopenharmony_ci V8_INLINE static External* Cast(Value* value) { 231cb0ef41Sopenharmony_ci#ifdef V8_ENABLE_CHECKS 241cb0ef41Sopenharmony_ci CheckCast(value); 251cb0ef41Sopenharmony_ci#endif 261cb0ef41Sopenharmony_ci return static_cast<External*>(value); 271cb0ef41Sopenharmony_ci } 281cb0ef41Sopenharmony_ci 291cb0ef41Sopenharmony_ci void* Value() const; 301cb0ef41Sopenharmony_ci 311cb0ef41Sopenharmony_ci private: 321cb0ef41Sopenharmony_ci static void CheckCast(v8::Value* obj); 331cb0ef41Sopenharmony_ci}; 341cb0ef41Sopenharmony_ci 351cb0ef41Sopenharmony_ci} // namespace v8 361cb0ef41Sopenharmony_ci 371cb0ef41Sopenharmony_ci#endif // INCLUDE_V8_EXTERNAL_H_ 38