Repository: godotengine/godot
File: modules/gdscript/gdscript_vm.cpp (C++)

Code before:
		if (p_data_type.builtin_type == Variant::ARRAY) {
			Array array;
			// Typed array.
			if (p_data_type.has_container_element_type(0)) {
				const GDScriptDataType &element_type = p_data_type.get_container_element_type(0);
				array.set_typed(element_type.builtin_type, element_type.native_type, element_type.script_type);
			}

			return array;
		} else {
			Callable::CallError ce;
			Variant variant;
			Variant::construct(p_data_type.builtin_type, variant, nullptr, 0, ce);

			ERR_FAIL_COND_V(ce.error != Callable::CallError::CALL_OK, Variant());

			return variant;
		}
	}

	return Variant();
}

String GDScriptFunction::_get_call_error(const Callable::CallError &p_err, const String &p_where, const Variant **argptrs) const {
	String err_text;

	if (p_err.error == Callable::CallError::CALL_ERROR_INVALID_ARGUMENT) {
		int errorarg = p_err.argument;
		ERR_FAIL_COND_V_MSG(errorarg < 0 || argptrs[errorarg] == nullptr, "GDScript bug (please report): Invalid CallError argument index or null pointer.", "Invalid CallError argument index or null pointer.");
		// Handle the Object to Object case separately as we don't have further class details.
#ifdef DEBUG_ENABLED
		if (p_err.expected == Variant::OBJECT && argptrs[errorarg]->get_type() == p_err.expected) {
			err_text = "Invalid type in " + p_where + ". The Object-derived class of argument " + itos(errorarg + 1) + " (" + _get_var_type(argptrs[errorarg]) + ") is not a subclass of the expected argument class.";
		} else if (p_err.expected == Variant::ARRAY && argptrs[errorarg]->get_type() == p_err.expected) {
			err_text = "Invalid type in " + p_where + ". The array of argument " + itos(errorarg + 1) + " (" + _get_var_type(argptrs[errorarg]) + ") does not have the same element type as the expected typed array argument.";
		} else
#endif // DEBUG_ENABLED
		{
			err_text = "Invalid type in " + p_where + ". Cannot convert argument " + itos(errorarg + 1) + " from " + Variant::get_type_name(argptrs[errorarg]->get_type()) + " to " + Variant::get_type_name(Variant::Type(p_err.expected)) + ".";
		}
	} else if (p_err.error == Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS) {
		err_text = "Invalid call to " + p_where + ". Expected " + itos(p_err.expected) + " arguments.";
	} else if (p_err.error == Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS) {
		err_text = "Invalid call to " + p_where + ". Expected " + itos(p_err.expected) + " arguments.";
	} else if (p_err.error == Callable::CallError::CALL_ERROR_INVALID_METHOD) {
		err_text = "Invalid call. Nonexistent " + p_where + ".";
	} else if (p_err.error == Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL) {
		err_text = "Attempt to call " + p_where + " on a null instance.";
	} else if (p_err.error == Callable::CallError::CALL_ERROR_METHOD_NOT_CONST) {
		err_text = "Attempt to call " + p_where + " on a const instance.";
	} else {

Review comment (suggestion):
```suggestion
			p_instance_class_name += ".";
```

Code after:
			}
		} else {
			basestr = Variant::get_type_name(p_var->get_type());
		}
	}

	return basestr;
}

void GDScriptFunction::_profile_native_call(uint64_t p_t_taken, const String &p_func_name, const String &p_instance_class_name) {
	HashMap<String, Profile::NativeProfile>::Iterator inner_prof = profile.native_calls.find(p_func_name);
	if (inner_prof) {
		inner_prof->value.call_count += 1;
	} else {
		String sig = vformat("%s::0::%s%s%s", get_script()->get_script_path(), p_instance_class_name, p_instance_class_name.is_empty() ? "" : ".", p_func_name);
		inner_prof = profile.native_calls.insert(p_func_name, Profile::NativeProfile{ 1, 0, sig });
	}
	inner_prof->value.total_time += p_t_taken;
}

#endif // DEBUG_ENABLED

Variant GDScriptFunction::_get_default_variant_for_data_type(const GDScriptDataType &p_data_type) {
	if (p_data_type.kind == GDScriptDataType::BUILTIN) {
		if (p_data_type.builtin_type == Variant::ARRAY) {
			Array array;
			// Typed array.
			if (p_data_type.has_container_element_type(0)) {
				const GDScriptDataType &element_type = p_data_type.get_container_element_type(0);
				array.set_typed(element_type.builtin_type, element_type.native_type, element_type.script_type);
			}

			return array;
		} else {
			Callable::CallError ce;
			Variant variant;
			Variant::construct(p_data_type.builtin_type, variant, nullptr, 0, ce);

			ERR_FAIL_COND_V(ce.error != Callable::CallError::CALL_OK, Variant());

			return variant;
		}
	}

	return Variant();
}

String GDScriptFunction::_get_call_error(const Callable::CallError &p_err, const String &p_where, const Variant **argptrs) const {
	String err_text;

	if (p_err.error == Callable::CallError::CALL_ERROR_INVALID_ARGUMENT) {