1 files changed, 49 insertions, 0 deletions
diff --git a/core/object/object.cpp b/core/object/object.cpp
index 6585c3fa79..440da00c17 100644
--- a/core/object/object.cpp
+++ b/core/object/object.cpp
@@ -669,6 +669,7 @@ Variant Object::callp(const StringName &p_method, const Variant **p_args, int p_
 			case Callable::CallError::CALL_ERROR_INVALID_ARGUMENT:
 			case Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS:
 			case Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS:
+			case Callable::CallError::CALL_ERROR_METHOD_NOT_CONST:
 				return ret;
 			case Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL: {
 			}
@@ -688,6 +689,54 @@ Variant Object::callp(const StringName &p_method, const Variant **p_args, int p_
 	return ret;
 }
 
+Variant Object::call_const(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
+	r_error.error = Callable::CallError::CALL_OK;
+
+	if (p_method == CoreStringNames::get_singleton()->_free) {
+		// Free is not const, so fail.
+		r_error.error = Callable::CallError::CALL_ERROR_METHOD_NOT_CONST;
+		return Variant();
+	}
+
+	Variant ret;
+	OBJ_DEBUG_LOCK
+
+	if (script_instance) {
+		ret = script_instance->call_const(p_method, p_args, p_argcount, r_error);
+		//force jumptable
+		switch (r_error.error) {
+			case Callable::CallError::CALL_OK:
+				return ret;
+			case Callable::CallError::CALL_ERROR_INVALID_METHOD:
+				break;
+			case Callable::CallError::CALL_ERROR_METHOD_NOT_CONST:
+				break;
+			case Callable::CallError::CALL_ERROR_INVALID_ARGUMENT:
+			case Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS:
+			case Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS:
+				return ret;
+			case Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL: {
+			}
+		}
+	}
+
+	//extension does not need this, because all methods are registered in MethodBind
+
+	MethodBind *method = ClassDB::get_method(get_class_name(), p_method);
+
+	if (method) {
+		if (!method->is_const()) {
+			r_error.error = Callable::CallError::CALL_ERROR_METHOD_NOT_CONST;
+			return ret;
+		}
+		ret = method->call(this, p_args, p_argcount, r_error);
+	} else {
+		r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
+	}
+
+	return ret;
+}
+
 void Object::notification(int p_notification, bool p_reversed) {
 	_notificationv(p_notification, p_reversed);