// See mp_load_attr() if making any changes
STATIC inline mp_obj_t mp_load_attr_default(mp_obj_t base, qstr attr, mp_obj_t defval) {
mp_obj_t dest[2];
// use load_method, raising or not raising exception
((defval == MP_OBJ_NULL) ? mp_load_method : mp_load_method_maybe)(base, attr, dest);
if (dest[0] == MP_OBJ_NULL) {
return defval;
} else if (dest[1] == MP_OBJ_NULL) {
// load_method returned just a normal attribute
return dest[0];
} else {
// load_method returned a method, so build a bound method object
return mp_obj_new_bound_meth(dest[0], dest[1]);
}
}
mp_obj_t mp_obj_instance_load_attr(mp_obj_t self_in, qstr attr) {
// logic: look in obj members then class locals (TODO check this against CPython)
mp_obj_instance_t *self = self_in;
mp_map_elem_t *elem = mp_qstr_map_lookup(self->members, attr, false);
if (elem != NULL) {
// object member, always treated as a value
return elem->value;
}
elem = mp_qstr_map_lookup(mp_obj_class_get_locals(self->class), attr, false);
if (elem != NULL) {
if (mp_obj_is_callable(elem->value)) {
// class member is callable so build a bound method
return mp_obj_new_bound_meth(self_in, elem->value);
} else {
// class member is a value, so just return that value
return elem->value;
}
}
nlr_jump(mp_obj_new_exception_msg_2_args(rt_q_AttributeError, "'%s' object has no attribute '%s'", mp_obj_get_type_str(self_in), qstr_str(attr)));
}
