Add support for _notification, _set, _get, _get_property_list, _property_can_revert, _property_get_revert, and _to_string methods.

test/demo/main.gd

@@ -7,10 +7,20 @@ func _ready():
 
 	prints("")
 
+	# To string.
+	prints("To string")
+	prints("  Example --> ", $Example.to_string())
+	prints("  ExampleMin --> ", $Example/ExampleMin.to_string())
+
 	# Call static methods.
 	prints("Static method calls")
 	prints("  static (109)", Example.test_static(9, 100));
 	Example.test_static2();
+
+	# Property list.
+	prints("Property list")
+	$Example.property_from_list = Vector3(100, 200, 300)
+	prints("  property value ", $Example.property_from_list)
 	
 	# Call methods.
 	prints("Instance method calls")

test/demo/main.tscn

@@ -7,6 +7,8 @@ script = ExtResource( "1_c326s" )
 
 [node name="Example" type="Example" parent="."]
 
+[node name="ExampleMin" type="ExampleMin" parent="Example"]
+
 [node name="Label" type="Label" parent="Example"]
 offset_left = 194.0
 offset_top = -2.0

test/src/example.cpp

@@ -58,6 +58,51 @@ int Example::def_args(int p_a, int p_b) {
 	return p_a + p_b;
 }
 
+void Example::_notification(int p_what) {
+	UtilityFunctions::print("Notification: ", String::num(p_what));
+}
+
+bool Example::_set(const StringName &p_name, const Variant &p_value) {
+	if (p_name == StringName("property_from_list")) {
+		property_from_list = p_value;
+		return true;
+	}
+	return false;
+}
+
+bool Example::_get(const StringName &p_name, Variant &r_ret) const {
+	if (p_name == StringName("property_from_list")) {
+		r_ret = property_from_list;
+		return true;
+	}
+	return false;
+}
+
+String Example::_to_string() const {
+	return "[ GDExtension::Example <--> Instance ID:" + itos(get_instance_id()) + " ]";
+}
+
+void Example::_get_property_list(List<PropertyInfo> *p_list) const {
+	p_list->push_back(PropertyInfo(Variant::VECTOR3, "property_from_list"));
+}
+
+bool Example::_property_can_revert(const StringName &p_name) const {
+	if (p_name == StringName("property_from_list") && property_from_list != Vector3(42, 42, 42)) {
+		return true;
+	} else {
+		return false;
+	}
+};
+
+bool Example::_property_get_revert(const StringName &p_name, Variant &r_property) const {
+	if (p_name == StringName("property_from_list")) {
+		r_property = Vector3(42, 42, 42);
+		return true;
+	} else {
+		return false;
+	}
+};
+
 void Example::_bind_methods() {
 	// Methods.
 	ClassDB::bind_method(D_METHOD("simple_func"), &Example::simple_func);

test/src/example.h

@@ -56,14 +56,31 @@ public:
 	~ExampleRef();
 };
 
+class ExampleMin : public Control {
+	GDCLASS(ExampleMin, Control);
+
+protected:
+	static void _bind_methods(){};
+};
+
 class Example : public Control {
 	GDCLASS(Example, Control);
 
 protected:
 	static void _bind_methods();
 
+	void _notification(int p_what);
+	bool _set(const StringName &p_name, const Variant &p_value);
+	bool _get(const StringName &p_name, Variant &r_ret) const;
+	void _get_property_list(List<PropertyInfo> *p_list) const;
+	bool _property_can_revert(const StringName &p_name) const;
+	bool _property_get_revert(const StringName &p_name, Variant &r_property) const;
+
+	String _to_string() const;
+
 private:
 	Vector2 custom_position;
+	Vector3 property_from_list;
 
 public:
 	// Constants.

test/src/register_types.cpp

@@ -46,6 +46,7 @@ void initialize_example_module(ModuleInitializationLevel p_level) {
 	}
 
 	ClassDB::register_class<ExampleRef>();
+	ClassDB::register_class<ExampleMin>();
 	ClassDB::register_class<Example>();
 }