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// 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 true if this data is a |v8::ModuleRequest|.
*/
bool IsModuleRequest() 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;
/**
* Returns true if this value is a `CppHeapExternal` object.
*/
bool IsCppHeapExternal() 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_
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