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#ifndef SRC_JS_NATIVE_API_V8_INTERNALS_H_
#define SRC_JS_NATIVE_API_V8_INTERNALS_H_
// The V8 implementation of N-API, including `js_native_api_v8.h` uses certain
// idioms which require definition here. For example, it uses a variant of
// persistent references which need not be reset in the constructor. It is the
// responsibility of this file to define these idioms. Optionally, this file
// may also define `NAPI_VERSION` and set it to the version of N-API to be
// exposed.
// In the case of the Node.js implementation of N-API some of the idioms are
// imported directly from Node.js by including `node_internals.h` below. Others
// are bridged to remove references to the `node` namespace. `node_version.h`,
// included below, defines `NAPI_VERSION`.
#include "node_version.h"
#include "env.h"
#include "node_internals.h"
#define NAPI_ARRAYSIZE(array) \
node::arraysize((array))
#define NAPI_FIXED_ONE_BYTE_STRING(isolate, string) \
node::FIXED_ONE_BYTE_STRING((isolate), (string))
#define NAPI_PRIVATE_KEY(context, suffix) \
(node::Environment::GetCurrent((context))->napi_ ## suffix())
namespace v8impl {
class RefTracker {
public:
RefTracker() {}
virtual ~RefTracker() {}
virtual void Finalize(bool isEnvTeardown) {}
typedef RefTracker RefList;
inline void Link(RefList* list) {
prev_ = list;
next_ = list->next_;
if (next_ != nullptr) {
next_->prev_ = this;
}
list->next_ = this;
}
inline void Unlink() {
if (prev_ != nullptr) {
prev_->next_ = next_;
}
if (next_ != nullptr) {
next_->prev_ = prev_;
}
prev_ = nullptr;
next_ = nullptr;
}
static void FinalizeAll(RefList* list) {
while (list->next_ != nullptr) {
list->next_->Finalize(true);
}
}
private:
RefList* next_ = nullptr;
RefList* prev_ = nullptr;
};
template <typename T>
using Persistent = v8::Global<T>;
using PersistentToLocal = node::PersistentToLocal;
} // end of namespace v8impl
#endif // SRC_JS_NATIVE_API_V8_INTERNALS_H_
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