py: Tidy up returning NULL which should be MP_OBJ_NOT_SUPPORTED.

This commit is contained in:
Damien George 2014-05-10 13:55:11 +01:00
parent 2bb179e124
commit d0a5bf34f7
10 changed files with 60 additions and 61 deletions

View File

@ -255,8 +255,8 @@ struct _mp_obj_type_t {
mp_make_new_fun_t make_new; // to make an instance of the type
mp_call_fun_t call;
mp_unary_op_fun_t unary_op; // can return NULL if op not supported
mp_binary_op_fun_t binary_op; // can return NULL if op not supported
mp_unary_op_fun_t unary_op; // can return MP_OBJ_NOT_SUPPORTED if op not supported
mp_binary_op_fun_t binary_op; // can return MP_OBJ_NOT_SUPPORTED 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
@ -266,7 +266,7 @@ struct _mp_obj_type_t {
// can return MP_OBJ_NOT_SUPPORTED
mp_fun_1_t getiter;
mp_fun_1_t iternext; // may return MP_OBJ_NULL as an optimisation instead of raising StopIteration() (with no args)
mp_fun_1_t iternext; // may return MP_OBJ_STOP_ITERATION as an optimisation instead of raising StopIteration() (with no args)
mp_buffer_p_t buffer_p;
const mp_stream_p_t *stream_p;
@ -479,11 +479,11 @@ typedef struct _mp_obj_float_t {
mp_float_t value;
} mp_obj_float_t;
mp_float_t mp_obj_float_get(mp_obj_t self_in);
mp_obj_t mp_obj_float_binary_op(int op, mp_float_t lhs_val, mp_obj_t rhs); // can return MP_OBJ_NULL
mp_obj_t mp_obj_float_binary_op(int op, mp_float_t lhs_val, mp_obj_t rhs); // can return MP_OBJ_NOT_SUPPORTED
// complex
void mp_obj_complex_get(mp_obj_t self_in, mp_float_t *real, mp_float_t *imag);
mp_obj_t mp_obj_complex_binary_op(int op, mp_float_t lhs_real, mp_float_t lhs_imag, mp_obj_t rhs_in); // can return MP_OBJ_NULL
mp_obj_t mp_obj_complex_binary_op(int op, mp_float_t lhs_real, mp_float_t lhs_imag, mp_obj_t rhs_in); // can return MP_OBJ_NOT_SUPPORTED
#endif
// tuple

View File

@ -465,12 +465,15 @@ STATIC void dict_view_print(void (*print)(void *env, const char *fmt, ...), void
STATIC mp_obj_t dict_view_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
/* only supported for the 'keys' kind until sets and dicts are refactored */
mp_obj_dict_view_t *o = lhs_in;
if (o->kind != MP_DICT_VIEW_KEYS) return NULL;
if (op != MP_BINARY_OP_IN) return NULL;
if (o->kind != MP_DICT_VIEW_KEYS) {
return MP_OBJ_NOT_SUPPORTED;
}
if (op != MP_BINARY_OP_IN) {
return MP_OBJ_NOT_SUPPORTED;
}
return dict_binary_op(op, o->dict, rhs_in);
}
STATIC const mp_obj_type_t dict_view_type = {
{ &mp_type_type },
.name = MP_QSTR_dict_view,

View File

@ -97,7 +97,7 @@ STATIC mp_obj_t float_unary_op(int op, mp_obj_t o_in) {
case MP_UNARY_OP_BOOL: return MP_BOOL(o->value != 0);
case MP_UNARY_OP_POSITIVE: return o_in;
case MP_UNARY_OP_NEGATIVE: return mp_obj_new_float(-o->value);
default: return NULL; // op not supported
default: return MP_OBJ_NOT_SUPPORTED;
}
}

View File

@ -58,7 +58,7 @@ STATIC mp_obj_t fun_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
// we don't even need to check for 2nd arg type.
return MP_BOOL(lhs_in == rhs_in);
}
return NULL;
return MP_OBJ_NOT_SUPPORTED;
}
STATIC mp_obj_t fun_native_call(mp_obj_t self_in, uint n_args, uint n_kw, const mp_obj_t *args) {

View File

@ -90,7 +90,7 @@ mp_obj_t mp_obj_int_unary_op(int op, mp_obj_t o_in) {
case MP_UNARY_OP_POSITIVE: return o_in;
case MP_UNARY_OP_NEGATIVE: { mp_obj_int_t *o2 = mp_obj_int_new_mpz(); mpz_neg_inpl(&o2->mpz, &o->mpz); return o2; }
case MP_UNARY_OP_INVERT: { mp_obj_int_t *o2 = mp_obj_int_new_mpz(); mpz_not_inpl(&o2->mpz, &o->mpz); return o2; }
default: return NULL; // op not supported
default: return MP_OBJ_NOT_SUPPORTED;
}
}

View File

@ -87,7 +87,6 @@ STATIC mp_obj_t list_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp
default:
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "list takes at most 1 argument, %d given", n_args));
}
return NULL;
}
// Don't pass MP_BINARY_OP_NOT_EQUAL here
@ -116,7 +115,7 @@ STATIC mp_obj_t list_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
switch (op) {
case MP_BINARY_OP_ADD: {
if (!MP_OBJ_IS_TYPE(rhs, &mp_type_list)) {
return NULL;
return MP_OBJ_NOT_SUPPORTED;
}
mp_obj_list_t *p = rhs;
mp_obj_list_t *s = list_new(o->len + p->len);
@ -125,7 +124,7 @@ STATIC mp_obj_t list_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
}
case MP_BINARY_OP_INPLACE_ADD: {
if (!MP_OBJ_IS_TYPE(rhs, &mp_type_list)) {
return NULL;
return MP_OBJ_NOT_SUPPORTED;
}
list_extend(lhs, rhs);
return o;
@ -133,7 +132,7 @@ STATIC mp_obj_t list_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
case MP_BINARY_OP_MULTIPLY: {
machine_int_t n;
if (!mp_obj_get_int_maybe(rhs, &n)) {
return NULL;
return MP_OBJ_NOT_SUPPORTED;
}
mp_obj_list_t *s = list_new(o->len * n);
mp_seq_multiply(o->items, sizeof(*o->items), o->len, n, s->items);

View File

@ -438,15 +438,13 @@ STATIC mp_obj_t set_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
return set_issubset(lhs, rhs);
case MP_BINARY_OP_MORE_EQUAL:
return set_issuperset(lhs, rhs);
case MP_BINARY_OP_IN:
{
case MP_BINARY_OP_IN: {
mp_obj_set_t *o = lhs;
mp_obj_t elem = mp_set_lookup(&o->set, rhs, MP_MAP_LOOKUP);
return MP_BOOL(elem != NULL);
}
default:
// op not supported
return NULL;
return MP_OBJ_NOT_SUPPORTED;
}
}

View File

@ -287,10 +287,9 @@ STATIC mp_obj_t str_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
}
break;
case MP_BINARY_OP_MULTIPLY:
{
case MP_BINARY_OP_MULTIPLY: {
if (!MP_OBJ_IS_SMALL_INT(rhs_in)) {
return NULL;
return MP_OBJ_NOT_SUPPORTED;
}
int n = MP_OBJ_SMALL_INT_VALUE(rhs_in);
byte *data;

View File

@ -121,20 +121,18 @@ mp_obj_t tuple_unary_op(int op, mp_obj_t self_in) {
mp_obj_t tuple_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
mp_obj_tuple_t *o = lhs;
switch (op) {
case MP_BINARY_OP_ADD:
{
case MP_BINARY_OP_ADD: {
if (!mp_obj_is_subclass_fast(mp_obj_get_type(rhs), (mp_obj_t)&mp_type_tuple)) {
return NULL;
return MP_OBJ_NOT_SUPPORTED;
}
mp_obj_tuple_t *p = rhs;
mp_obj_tuple_t *s = mp_obj_new_tuple(o->len + p->len, NULL);
m_seq_cat(s->items, o->items, o->len, p->items, p->len, mp_obj_t);
return s;
}
case MP_BINARY_OP_MULTIPLY:
{
case MP_BINARY_OP_MULTIPLY: {
if (!MP_OBJ_IS_SMALL_INT(rhs)) {
return NULL;
return MP_OBJ_NOT_SUPPORTED;
}
int n = MP_OBJ_SMALL_INT_VALUE(rhs);
mp_obj_tuple_t *s = mp_obj_new_tuple(o->len * n, NULL);
@ -150,7 +148,7 @@ mp_obj_t tuple_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
default:
// op not supported
return NULL;
return MP_OBJ_NOT_SUPPORTED;
}
}

View File

@ -596,8 +596,10 @@ STATIC mp_obj_t type_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
// Types can be equal only if it's the same type structure,
// we don't even need to check for 2nd arg type.
return MP_BOOL(lhs_in == rhs_in);
default:
return MP_OBJ_NOT_SUPPORTED;
}
return NULL;
}
const mp_obj_type_t mp_type_type = {