// 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_DATA_H_ #define INCLUDE_V8_DATA_H_ #include "v8-local-handle.h" // NOLINT(build/include_directory) #include "v8config.h" // NOLINT(build/include_directory) namespace v8 { class Context; /** * The superclass of objects that can reside on V8's heap. */ class V8_EXPORT Data { public: /** * Returns true if this data is a |v8::Value|. */ bool IsValue() const; /** * Returns true if this data is a |v8::Module|. */ bool IsModule() const; /** * Returns tru if this data is a |v8::FixedArray| */ bool IsFixedArray() const; /** * Returns true if this data is a |v8::Private|. */ bool IsPrivate() const; /** * Returns true if this data is a |v8::ObjectTemplate|. */ bool IsObjectTemplate() const; /** * Returns true if this data is a |v8::FunctionTemplate|. */ bool IsFunctionTemplate() const; /** * Returns true if this data is a |v8::Context|. */ bool IsContext() const; private: Data() = delete; }; /** * A fixed-sized array with elements of type Data. */ class V8_EXPORT FixedArray : public Data { public: int Length() const; Local<Data> Get(Local<Context> context, int i) const; V8_INLINE static FixedArray* Cast(Data* data) { #ifdef V8_ENABLE_CHECKS CheckCast(data); #endif return reinterpret_cast<FixedArray*>(data); } private: static void CheckCast(Data* obj); }; } // namespace v8 #endif // INCLUDE_V8_DATA_H_