Commit 6ac5dced authored by Damien George's avatar Damien George
Browse files

py: Rename MP_OBJ_NOT_SUPPORTED to MP_OBJ_NULL.

See issue #608 for justification.
parent 6d197740
......@@ -122,7 +122,7 @@ int mp_obj_is_true(mp_obj_t arg) {
mp_obj_type_t *type = mp_obj_get_type(arg);
if (type->unary_op != NULL) {
mp_obj_t result = type->unary_op(MP_UNARY_OP_BOOL, arg);
if (result != MP_OBJ_NOT_SUPPORTED) {
if (result != MP_OBJ_NULL) {
return result == mp_const_true;
}
}
......@@ -212,7 +212,7 @@ bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2) {
mp_obj_type_t *type = mp_obj_get_type(o1);
if (type->binary_op != NULL) {
mp_obj_t r = type->binary_op(MP_BINARY_OP_EQUAL, o1, o2);
if (r != MP_OBJ_NOT_SUPPORTED) {
if (r != MP_OBJ_NULL) {
return r == mp_const_true ? true : false;
}
}
......@@ -357,12 +357,7 @@ mp_obj_t mp_obj_len_maybe(mp_obj_t o_in) {
} else {
mp_obj_type_t *type = mp_obj_get_type(o_in);
if (type->unary_op != NULL) {
mp_obj_t val = type->unary_op(MP_UNARY_OP_LEN, o_in);
// TODO: Here's the case of having MP_OBJ_NOT_SUPPORTED is confusing
if (val == MP_OBJ_NOT_SUPPORTED) {
return MP_OBJ_NULL;
}
return val;
return type->unary_op(MP_UNARY_OP_LEN, o_in);
} else {
return MP_OBJ_NULL;
}
......@@ -373,7 +368,7 @@ mp_obj_t mp_obj_subscr(mp_obj_t base, mp_obj_t index, mp_obj_t value) {
mp_obj_type_t *type = mp_obj_get_type(base);
if (type->subscr != NULL) {
mp_obj_t ret = type->subscr(base, index, value);
if (ret != MP_OBJ_NOT_SUPPORTED) {
if (ret != MP_OBJ_NULL) {
return ret;
}
// TODO: call base classes here?
......
......@@ -52,8 +52,7 @@ typedef struct _mp_obj_base_t mp_obj_base_t;
// These fake objects are used to indicate certain things in arguments or return
// values, and should only be used when explicitly allowed.
//
// - MP_OBJ_NULL : used to indicate the absence of an object.
// - MP_OBJ_NOT_SUPPORTED : a return value that indicates an unsupported operation.
// - MP_OBJ_NULL : used to indicate the absence of an object, or unsupported operation.
// - MP_OBJ_STOP_ITERATION : used instead of throwing a StopIteration, for efficiency.
// - MP_OBJ_SENTINEL : used for various internal purposes where one needs
// an object which is unique from all other objects, including MP_OBJ_NULL.
......@@ -63,14 +62,12 @@ typedef struct _mp_obj_base_t mp_obj_base_t;
#if NDEBUG
#define MP_OBJ_NULL ((mp_obj_t)0)
#define MP_OBJ_NOT_SUPPORTED ((mp_obj_t)0)
#define MP_OBJ_STOP_ITERATION ((mp_obj_t)0)
#define MP_OBJ_SENTINEL ((mp_obj_t)4)
#else
#define MP_OBJ_NULL ((mp_obj_t)0)
#define MP_OBJ_NOT_SUPPORTED ((mp_obj_t)4)
#define MP_OBJ_STOP_ITERATION ((mp_obj_t)8)
#define MP_OBJ_SENTINEL ((mp_obj_t)12)
#define MP_OBJ_STOP_ITERATION ((mp_obj_t)4)
#define MP_OBJ_SENTINEL ((mp_obj_t)8)
#endif
// These macros check for small int, qstr or object, and access small int and qstr values
......@@ -256,15 +253,15 @@ 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 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_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
mp_subscr_fun_t subscr; // implements load, store, delete subscripting
// value=MP_OBJ_NULL means delete, value=MP_OBJ_SENTINEL means load, else store
// can return MP_OBJ_NOT_SUPPORTED
// can return MP_OBJ_NULL if op not supported
mp_fun_1_t getiter;
mp_fun_1_t iternext; // may return MP_OBJ_STOP_ITERATION as an optimisation instead of raising StopIteration() (with no args)
......@@ -483,11 +480,11 @@ 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_NOT_SUPPORTED
mp_obj_t mp_obj_float_binary_op(int op, mp_float_t lhs_val, mp_obj_t rhs); // can return MP_OBJ_NULL if op 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_NOT_SUPPORTED
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 if op not supported
#endif
// tuple
......
......@@ -140,7 +140,7 @@ STATIC mp_obj_t array_unary_op(int op, mp_obj_t o_in) {
switch (op) {
case MP_UNARY_OP_BOOL: return MP_BOOL(o->len != 0);
case MP_UNARY_OP_LEN: return MP_OBJ_NEW_SMALL_INT(o->len);
default: return MP_OBJ_NOT_SUPPORTED;
default: return MP_OBJ_NULL; // op not supported
}
}
......@@ -166,7 +166,7 @@ STATIC mp_obj_t array_subscr(mp_obj_t self_in, mp_obj_t index_in, mp_obj_t value
// TODO implement
// TODO: confirmed that both bytearray and array.array support
// slice deletion
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
} else {
mp_obj_array_t *o = self_in;
if (MP_OBJ_IS_TYPE(index_in, &mp_type_slice)) {
......@@ -174,7 +174,7 @@ STATIC mp_obj_t array_subscr(mp_obj_t self_in, mp_obj_t index_in, mp_obj_t value
// Only getting a slice is suported so far, not assignment
// TODO: confirmed that both bytearray and array.array support
// slice assignment (incl. of different size)
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
machine_uint_t start, stop;
if (!mp_seq_get_fast_slice_indexes(o->len, index_in, &start, &stop)) {
......
......@@ -76,7 +76,7 @@ STATIC mp_obj_t bool_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
if (MP_BINARY_OP_OR <= op && op <= MP_BINARY_OP_NOT_EQUAL) {
return mp_binary_op(op, MP_OBJ_NEW_SMALL_INT((machine_int_t)mp_obj_is_true(lhs_in)), rhs_in);
}
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
const mp_obj_type_t mp_type_bool = {
......
......@@ -123,7 +123,7 @@ STATIC mp_obj_t complex_unary_op(int op, mp_obj_t o_in) {
case MP_UNARY_OP_BOOL: return MP_BOOL(o->real != 0 || o->imag != 0);
case MP_UNARY_OP_POSITIVE: return o_in;
case MP_UNARY_OP_NEGATIVE: return mp_obj_new_complex(-o->real, -o->imag);
default: return MP_OBJ_NOT_SUPPORTED;
default: return MP_OBJ_NULL; // op not supported
}
}
......@@ -233,7 +233,7 @@ mp_obj_t mp_obj_complex_binary_op(int op, mp_float_t lhs_real, mp_float_t lhs_im
case MP_BINARY_OP_EQUAL: return MP_BOOL(lhs_real == rhs_real && lhs_imag == rhs_imag);
default:
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
return mp_obj_new_complex(lhs_real, lhs_imag);
}
......
......@@ -103,7 +103,7 @@ STATIC mp_obj_t dict_unary_op(int op, mp_obj_t self_in) {
switch (op) {
case MP_UNARY_OP_BOOL: return MP_BOOL(self->map.used != 0);
case MP_UNARY_OP_LEN: return MP_OBJ_NEW_SMALL_INT((machine_int_t)self->map.used);
default: return MP_OBJ_NOT_SUPPORTED;
default: return MP_OBJ_NULL; // op not supported
}
}
......@@ -140,7 +140,7 @@ STATIC mp_obj_t dict_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
}
default:
// op not supported
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL;
}
}
......@@ -463,13 +463,13 @@ 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 */
// 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 MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
if (op != MP_BINARY_OP_IN) {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
return dict_binary_op(op, o->dict, rhs_in);
}
......
......@@ -96,7 +96,7 @@ 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 MP_OBJ_NOT_SUPPORTED;
default: return MP_OBJ_NULL; // op not supported
}
}
......@@ -165,7 +165,7 @@ mp_obj_t mp_obj_float_binary_op(int op, mp_float_t lhs_val, mp_obj_t rhs_in) {
case MP_BINARY_OP_MORE_EQUAL: return MP_BOOL(lhs_val >= rhs_val);
default:
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
return mp_obj_new_float(lhs_val);
}
......
......@@ -59,7 +59,7 @@ 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 MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op 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) {
......
......@@ -216,7 +216,7 @@ bool mp_obj_int_is_positive(mp_obj_t self_in) {
// This is called for operations on SMALL_INT that are not handled by mp_unary_op
mp_obj_t mp_obj_int_unary_op(int op, mp_obj_t o_in) {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
// This is called for operations on SMALL_INT that are not handled by mp_binary_op
......@@ -285,7 +285,7 @@ mp_obj_t mp_obj_int_binary_op_extra_cases(int op, mp_obj_t lhs_in, mp_obj_t rhs_
return mp_binary_op(op, rhs_in, lhs_in);
}
}
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
// this is a classmethod
......
......@@ -64,7 +64,7 @@ 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: return mp_obj_new_int_from_ll(-o->val);
case MP_UNARY_OP_INVERT: return mp_obj_new_int_from_ll(~o->val);
default: return MP_OBJ_NOT_SUPPORTED;
default: return MP_OBJ_NULL; // op not supported
}
}
......@@ -77,7 +77,7 @@ mp_obj_t mp_obj_int_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
} else if (MP_OBJ_IS_TYPE(lhs_in, &mp_type_int)) {
lhs_val = ((mp_obj_int_t*)lhs_in)->val;
} else {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
if (MP_OBJ_IS_SMALL_INT(rhs_in)) {
......@@ -135,7 +135,7 @@ mp_obj_t mp_obj_int_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
return MP_BOOL(lhs_val == rhs_val);
default:
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
}
......
......@@ -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 MP_OBJ_NOT_SUPPORTED;
default: return MP_OBJ_NULL; // op not supported
}
}
......@@ -108,7 +108,7 @@ mp_obj_t mp_obj_int_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
zlhs = &((mp_obj_int_t*)lhs_in)->mpz;
} else {
// unsupported type
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL;
}
// if rhs is small int, then lhs was not (otherwise mp_binary_op handles it)
......@@ -213,7 +213,7 @@ mp_obj_t mp_obj_int_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
break;
default:
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
return res;
......@@ -233,7 +233,7 @@ mp_obj_t mp_obj_int_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
return MP_BOOL(cmp == 0);
default:
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
}
}
......
......@@ -103,7 +103,7 @@ STATIC mp_obj_t list_unary_op(int op, mp_obj_t self_in) {
switch (op) {
case MP_UNARY_OP_BOOL: return MP_BOOL(self->len != 0);
case MP_UNARY_OP_LEN: return MP_OBJ_NEW_SMALL_INT(self->len);
default: return MP_OBJ_NOT_SUPPORTED;
default: return MP_OBJ_NULL; // op not supported
}
}
......@@ -112,7 +112,7 @@ 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 MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
mp_obj_list_t *p = rhs;
mp_obj_list_t *s = list_new(o->len + p->len);
......@@ -121,7 +121,7 @@ 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 MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
list_extend(lhs, rhs);
return o;
......@@ -129,7 +129,7 @@ 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 MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op 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);
......@@ -143,7 +143,7 @@ STATIC mp_obj_t list_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
return MP_BOOL(list_cmp_helper(op, lhs, rhs));
default:
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
}
......
......@@ -44,7 +44,7 @@ STATIC void none_print(void (*print)(void *env, const char *fmt, ...), void *env
STATIC mp_obj_t none_unary_op(int op, mp_obj_t o_in) {
switch (op) {
case MP_UNARY_OP_BOOL: return mp_const_false;
default: return MP_OBJ_NOT_SUPPORTED;
default: return MP_OBJ_NULL; // op not supported
}
}
......
......@@ -475,7 +475,7 @@ STATIC mp_obj_t set_unary_op(int op, mp_obj_t self_in) {
switch (op) {
case MP_UNARY_OP_BOOL: return MP_BOOL(self->set.used != 0);
case MP_UNARY_OP_LEN: return MP_OBJ_NEW_SMALL_INT((machine_int_t)self->set.used);
default: return MP_OBJ_NOT_SUPPORTED;
default: return MP_OBJ_NULL; // op not supported
}
}
......@@ -514,7 +514,7 @@ STATIC mp_obj_t set_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
return MP_BOOL(elem != NULL);
}
default:
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
}
......
......@@ -296,7 +296,7 @@ STATIC mp_obj_t str_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
case MP_BINARY_OP_MULTIPLY: {
if (!MP_OBJ_IS_SMALL_INT(rhs_in)) {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
int n = MP_OBJ_SMALL_INT_VALUE(rhs_in);
byte *data;
......@@ -341,7 +341,7 @@ uncomparable:
}
}
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
STATIC mp_obj_t str_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
......@@ -365,7 +365,7 @@ STATIC mp_obj_t str_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
return mp_obj_new_str(self_data + index_val, 1, true);
}
} else {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
}
......
......@@ -120,7 +120,7 @@ mp_obj_t mp_obj_tuple_unary_op(int op, mp_obj_t self_in) {
switch (op) {
case MP_UNARY_OP_BOOL: return MP_BOOL(self->len != 0);
case MP_UNARY_OP_LEN: return MP_OBJ_NEW_SMALL_INT(self->len);
default: return MP_OBJ_NOT_SUPPORTED;
default: return MP_OBJ_NULL; // op not supported
}
}
......@@ -129,7 +129,7 @@ mp_obj_t mp_obj_tuple_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
switch (op) {
case MP_BINARY_OP_ADD: {
if (!mp_obj_is_subclass_fast(mp_obj_get_type(rhs), (mp_obj_t)&mp_type_tuple)) {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
mp_obj_tuple_t *p = rhs;
mp_obj_tuple_t *s = mp_obj_new_tuple(o->len + p->len, NULL);
......@@ -138,7 +138,7 @@ mp_obj_t mp_obj_tuple_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
}
case MP_BINARY_OP_MULTIPLY: {
if (!MP_OBJ_IS_SMALL_INT(rhs)) {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
int n = MP_OBJ_SMALL_INT_VALUE(rhs);
mp_obj_tuple_t *s = mp_obj_new_tuple(o->len * n, NULL);
......@@ -153,8 +153,7 @@ mp_obj_t mp_obj_tuple_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
return MP_BOOL(tuple_cmp_helper(op, lhs, rhs));
default:
// op not supported
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
}
......@@ -176,7 +175,7 @@ mp_obj_t mp_obj_tuple_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
uint index_value = mp_get_index(self->base.type, self->len, index, false);
return self->items[index_value];
} else {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
}
......
......@@ -287,7 +287,7 @@ STATIC mp_obj_t instance_unary_op(int op, mp_obj_t self_in) {
qstr op_name = unary_op_method_name[op];
/* Still try to lookup native slot
if (op_name == 0) {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL;
}
*/
mp_obj_t member[2] = {MP_OBJ_NULL};
......@@ -297,7 +297,7 @@ STATIC mp_obj_t instance_unary_op(int op, mp_obj_t self_in) {
} else if (member[0] != MP_OBJ_NULL) {
return mp_call_function_1(member[0], self_in);
} else {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
}
......@@ -374,7 +374,7 @@ STATIC mp_obj_t instance_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
qstr op_name = binary_op_method_name[op];
/* Still try to lookup native slot
if (op_name == 0) {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL;
}
*/
mp_obj_t dest[3] = {MP_OBJ_NULL};
......@@ -385,7 +385,7 @@ STATIC mp_obj_t instance_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
dest[2] = rhs_in;
return mp_call_method_n_kw(1, 0, dest);
} else {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
}
......@@ -499,7 +499,7 @@ STATIC mp_obj_t instance_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value
return mp_const_none;
}
} else {
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
}
......@@ -632,7 +632,7 @@ STATIC mp_obj_t type_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
return MP_BOOL(lhs_in == rhs_in);
default:
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
}
}
......
......@@ -200,7 +200,7 @@ mp_obj_t mp_unary_op(int op, mp_obj_t arg) {
mp_obj_type_t *type = mp_obj_get_type(arg);
if (type->unary_op != NULL) {
mp_obj_t result = type->unary_op(op, arg);
if (result != MP_OBJ_NOT_SUPPORTED) {
if (result != MP_OBJ_NULL) {
return result;
}
}
......@@ -439,7 +439,7 @@ mp_obj_t mp_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
mp_obj_type_t *type = mp_obj_get_type(rhs);
if (type->binary_op != NULL) {
mp_obj_t res = type->binary_op(op, rhs, lhs);
if (res != MP_OBJ_NOT_SUPPORTED) {
if (res != MP_OBJ_NULL) {
return res;
}
}
......@@ -467,7 +467,7 @@ generic_binary_op:
type = mp_obj_get_type(lhs);
if (type->binary_op != NULL) {
mp_obj_t result = type->binary_op(op, lhs, rhs);
if (result != MP_OBJ_NOT_SUPPORTED) {
if (result != MP_OBJ_NULL) {
return result;
}
}
......
......@@ -81,7 +81,7 @@ STATIC mp_obj_t stm_mem_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value)
stm_mem_obj_t *self = self_in;
if (value == MP_OBJ_NULL) {
// delete
return MP_OBJ_NOT_SUPPORTED;
return MP_OBJ_NULL; // op not supported
} else if (value == MP_OBJ_SENTINEL) {
// load
uint32_t addr = get_read_addr(index, self->elem_size);
......
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