Method setup_csharp_script_binding

modules/mono/csharp_script.cpp:1147–1204

}

bool CSharpLanguage::setup_csharp_script_binding(CSharpScriptBinding &r_script_binding, Object *p_object) {
#ifdef DEBUG_ENABLED
	// I don't trust you
	if (p_object->get_script_instance()) {
		CSharpInstance *csharp_instance = CAST_CSHARP_INSTANCE(p_object->get_script_instance());
		CRASH_COND(csharp_instance != nullptr && !csharp_instance->is_destructing_script_instance());
	}
#endif // DEBUG_ENABLED

	StringName type_name = p_object->get_class_name();

	const ClassDB::ClassInfo *classinfo = ClassDB::classes.getptr(type_name);

	// This skipping of GDExtension classes, as well as whatever classes are in this list of ignored types, is a
	// workaround to allow GDExtension classes to be used from C# so long as they're only used through base classes that
	// are registered from the engine. This will likely need to be removed whenever proper support for GDExtension
	// classes is added to C#. See #75955 for more details.
	while (classinfo && (!classinfo->exposed || classinfo->gdextension || ignored_types.has(classinfo->name))) {
		classinfo = classinfo->inherits_ptr;
	}

	ERR_FAIL_NULL_V(classinfo, false);
	type_name = classinfo->name;

	bool parent_is_object_class = ClassDB::is_parent_class(p_object->get_class_name(), type_name);
	ERR_FAIL_COND_V_MSG(!parent_is_object_class, false,
			"Type inherits from native type '" + type_name + "', so it can't be instantiated in object of type: '" + p_object->get_class() + "'.");

#ifdef DEBUG_ENABLED
	CRASH_COND(!r_script_binding.gchandle.is_released());
#endif // DEBUG_ENABLED

	GCHandleIntPtr strong_gchandle =
			GDMonoCache::managed_callbacks.ScriptManagerBridge_CreateManagedForGodotObjectBinding(
					&type_name, p_object);

	ERR_FAIL_NULL_V(strong_gchandle.value, false);

	r_script_binding.inited = true;
	r_script_binding.type_name = type_name;
	r_script_binding.gchandle = MonoGCHandleData(strong_gchandle, gdmono::GCHandleType::STRONG_HANDLE);
	r_script_binding.owner = p_object;

	// Tie managed to unmanaged
	RefCounted *rc = Object::cast_to<RefCounted>(p_object);

	if (rc) {
		// Unsafe refcount increment. The managed instance also counts as a reference.
		// This way if the unmanaged world has no references to our owner
		// but the managed instance is alive, the refcount will be 1 instead of 0.
		// See: godot_icall_RefCounted_Dtor(MonoObject *p_obj, Object *p_ptr)

		rc->reference();
		CSharpLanguage::get_singleton()->post_unsafe_reference(rc);
	}

	return true;
}