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#ifndef SRC_NODE_EXTERNAL_REFERENCE_H_
#define SRC_NODE_EXTERNAL_REFERENCE_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include <cinttypes>
#include <vector>
#include "v8.h"
namespace node {
// This class manages the external references from the V8 heap
// to the C++ addresses in Node.js.
class ExternalReferenceRegistry {
public:
ExternalReferenceRegistry();
#define ALLOWED_EXTERNAL_REFERENCE_TYPES(V) \
V(v8::FunctionCallback) \
V(v8::AccessorGetterCallback) \
V(v8::AccessorSetterCallback) \
V(v8::AccessorNameGetterCallback) \
V(v8::AccessorNameSetterCallback) \
V(v8::GenericNamedPropertyDefinerCallback) \
V(v8::GenericNamedPropertyDeleterCallback) \
V(v8::GenericNamedPropertyEnumeratorCallback) \
V(v8::GenericNamedPropertyQueryCallback) \
V(v8::GenericNamedPropertySetterCallback)
#define V(ExternalReferenceType) \
void Register(ExternalReferenceType addr) { RegisterT(addr); }
ALLOWED_EXTERNAL_REFERENCE_TYPES(V)
#undef V
// This can be called only once.
const std::vector<intptr_t>& external_references();
bool is_empty() { return external_references_.empty(); }
private:
template <typename T>
void RegisterT(T* address) {
external_references_.push_back(reinterpret_cast<intptr_t>(address));
}
bool is_finalized_ = false;
std::vector<intptr_t> external_references_;
};
#define EXTERNAL_REFERENCE_BINDING_LIST_BASE(V) \
V(binding) \
V(native_module) \
V(process_object)
#define EXTERNAL_REFERENCE_BINDING_LIST(V) \
EXTERNAL_REFERENCE_BINDING_LIST_BASE(V)
} // namespace node
// Declare all the external reference registration functions here,
// and define them later with #NODE_MODULE_EXTERNAL_REFERENCE(modname, func);
#define V(modname) \
void _register_external_reference_##modname( \
node::ExternalReferenceRegistry* registry);
EXTERNAL_REFERENCE_BINDING_LIST(V)
#undef V
#define NODE_MODULE_EXTERNAL_REFERENCE(modname, func) \
void _register_external_reference_##modname( \
node::ExternalReferenceRegistry* registry) { \
func(registry); \
}
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_NODE_EXTERNAL_REFERENCE_H_
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