1 files changed, 55 insertions, 0 deletions

diff --git a/core/object/object.cpp b/core/object/object.cpp
index 6a5a9efefa..e5d771844b 100644
--- a/core/object/object.cpp
+++ b/core/object/object.cpp
@@ -688,6 +688,59 @@ bool Object::has_method(const StringName &p_method) const {
 	return false;
 }
 
+int Object::_get_method_argument_count_bind(const StringName &p_method) const {
+	return get_method_argument_count(p_method);
+}
+
+int Object::get_method_argument_count(const StringName &p_method, bool *r_is_valid) const {
+	if (p_method == CoreStringNames::get_singleton()->_free) {
+		if (r_is_valid) {
+			*r_is_valid = true;
+		}
+		return 0;
+	}
+
+	if (script_instance) {
+		bool valid = false;
+		int ret = script_instance->get_method_argument_count(p_method, &valid);
+		if (valid) {
+			if (r_is_valid) {
+				*r_is_valid = true;
+			}
+			return ret;
+		}
+	}
+
+	{
+		bool valid = false;
+		int ret = ClassDB::get_method_argument_count(get_class_name(), p_method, &valid);
+		if (valid) {
+			if (r_is_valid) {
+				*r_is_valid = true;
+			}
+			return ret;
+		}
+	}
+
+	const Script *scr = Object::cast_to<Script>(this);
+	while (scr != nullptr) {
+		bool valid = false;
+		int ret = scr->get_script_method_argument_count(p_method, &valid);
+		if (valid) {
+			if (r_is_valid) {
+				*r_is_valid = true;
+			}
+			return ret;
+		}
+		scr = scr->get_base_script().ptr();
+	}
+
+	if (r_is_valid) {
+		*r_is_valid = false;
+	}
+	return 0;
+}
+
 Variant Object::getvar(const Variant &p_key, bool *r_valid) const {
 	if (r_valid) {
 		*r_valid = false;
@@ -1644,6 +1697,8 @@ void Object::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("has_method", "method"), &Object::has_method);
 
+	ClassDB::bind_method(D_METHOD("get_method_argument_count", "method"), &Object::_get_method_argument_count_bind);
+
 	ClassDB::bind_method(D_METHOD("has_signal", "signal"), &Object::has_signal);
 	ClassDB::bind_method(D_METHOD("get_signal_list"), &Object::_get_signal_list);
 	ClassDB::bind_method(D_METHOD("get_signal_connection_list", "signal"), &Object::_get_signal_connection_list);