diff options
Diffstat (limited to 'py/obj.h')
| -rw-r--r-- | py/obj.h | 17 |
1 files changed, 13 insertions, 4 deletions
@@ -265,8 +265,7 @@ typedef mp_obj_t (*mp_make_new_fun_t)(mp_obj_t type_in, mp_uint_t n_args, mp_uin typedef mp_obj_t (*mp_call_fun_t)(mp_obj_t fun, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args); typedef mp_obj_t (*mp_unary_op_fun_t)(mp_uint_t op, mp_obj_t); typedef mp_obj_t (*mp_binary_op_fun_t)(mp_uint_t op, mp_obj_t, mp_obj_t); -typedef void (*mp_load_attr_fun_t)(mp_obj_t self_in, qstr attr, mp_obj_t *dest); // for fail, do nothing; for attr, dest[0] = value; for method, dest[0] = method, dest[1] = self -typedef bool (*mp_store_attr_fun_t)(mp_obj_t self_in, qstr attr, mp_obj_t value); // return true if store succeeded; if value==MP_OBJ_NULL then delete +typedef void (*mp_attr_fun_t)(mp_obj_t self_in, qstr attr, mp_obj_t *dest); typedef mp_obj_t (*mp_subscr_fun_t)(mp_obj_t self_in, mp_obj_t index, mp_obj_t value); typedef struct _mp_method_t { @@ -330,8 +329,18 @@ struct _mp_obj_type_t { mp_unary_op_fun_t unary_op; // can return MP_OBJ_NULL if op not supported mp_binary_op_fun_t binary_op; // can return MP_OBJ_NULL if op not supported - mp_load_attr_fun_t load_attr; - mp_store_attr_fun_t store_attr; // if value is MP_OBJ_NULL, then delete that attribute + // implements load, store and delete attribute + // + // dest[0] = MP_OBJ_NULL means load + // return: for fail, do nothing + // for attr, dest[0] = value + // for method, dest[0] = method, dest[1] = self + // + // dest[0,1] = {MP_OBJ_SENTINEL, MP_OBJ_NULL} means delete + // dest[0,1] = {MP_OBJ_SENTINEL, object} means store + // return: for fail, do nothing + // for success set dest[0] = MP_OBJ_NULL + mp_attr_fun_t attr; mp_subscr_fun_t subscr; // implements load, store, delete subscripting // value=MP_OBJ_NULL means delete, value=MP_OBJ_SENTINEL means load, else store |