STATIC void set_update_int(mp_obj_set_t *self, mp_obj_t other_in) {
mp_obj_t iter = rt_getiter(other_in);
mp_obj_t next;
while ((next = rt_iternext(iter)) != mp_const_stop_iteration) {
mp_set_lookup(&self->set, next, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
}
}
STATIC mp_obj_t set_intersect_int(mp_obj_t self_in, mp_obj_t other, bool update) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
if (self_in == other) {
return update ? mp_const_none : set_copy(self_in);
}
mp_obj_set_t *self = self_in;
mp_obj_set_t *out = mp_obj_new_set(0, NULL);
mp_obj_t iter = mp_getiter(other);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
if (mp_set_lookup(&self->set, next, MP_MAP_LOOKUP)) {
set_add(out, next);
}
}
if (update) {
m_del(mp_obj_t, self->set.table, self->set.alloc);
self->set.alloc = out->set.alloc;
self->set.used = out->set.used;
self->set.table = out->set.table;
}
return update ? mp_const_none : out;
}
STATIC void set_update_int(mp_obj_set_t *self, mp_obj_t other_in) {
mp_obj_t iter = mp_getiter(other_in);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
mp_set_lookup(&self->set, next, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
}
}
STATIC mp_obj_t set_intersect_int(mp_obj_t self_in, mp_obj_t other, bool update) {
if (update) {
check_set(self_in);
} else {
check_set_or_frozenset(self_in);
}
if (self_in == other) {
return update ? mp_const_none : set_copy(self_in);
}
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_obj_set_t *out = MP_OBJ_TO_PTR(mp_obj_new_set(0, NULL));
mp_obj_t iter = mp_getiter(other, NULL);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
if (mp_set_lookup(&self->set, next, MP_MAP_LOOKUP)) {
set_add(MP_OBJ_FROM_PTR(out), next);
}
}
if (update) {
m_del(mp_obj_t, self->set.table, self->set.alloc);
self->set.alloc = out->set.alloc;
self->set.used = out->set.used;
self->set.table = out->set.table;
}
return update ? mp_const_none : MP_OBJ_FROM_PTR(out);
}
STATIC mp_obj_t set_diff_int(size_t n_args, const mp_obj_t *args, bool update) {
mp_obj_t self;
if (update) {
check_set(args[0]);
self = args[0];
} else {
self = set_copy(args[0]);
}
for (size_t i = 1; i < n_args; i++) {
mp_obj_t other = args[i];
if (self == other) {
set_clear(self);
} else {
mp_set_t *self_set = &((mp_obj_set_t*)MP_OBJ_TO_PTR(self))->set;
mp_obj_t iter = mp_getiter(other, NULL);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
mp_set_lookup(self_set, next, MP_MAP_LOOKUP_REMOVE_IF_FOUND);
}
}
}
return self;
}
STATIC mp_obj_t set_remove(mp_obj_t self_in, mp_obj_t item) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
mp_obj_set_t *self = self_in;
if (mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND) == MP_OBJ_NULL) {
nlr_raise(mp_obj_new_exception(&mp_type_KeyError));
}
return mp_const_none;
}
STATIC mp_obj_t set_remove(mp_obj_t self_in, mp_obj_t item) {
check_set(self_in);
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
if (mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND) == MP_OBJ_NULL) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_KeyError, item));
}
return mp_const_none;
}
mp_obj_t mp_obj_new_set(int n_args, mp_obj_t *items) {
mp_obj_set_t *o = m_new_obj(mp_obj_set_t);
o->base.type = &mp_type_set;
mp_set_init(&o->set, n_args);
for (int i = 0; i < n_args; i++) {
mp_set_lookup(&o->set, items[i], MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
}
return o;
}
STATIC mp_obj_t set_symmetric_difference_update(mp_obj_t self_in, mp_obj_t other_in) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
mp_obj_set_t *self = self_in;
mp_obj_t iter = mp_getiter(other_in);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
mp_set_lookup(&self->set, next, MP_MAP_LOOKUP_REMOVE_IF_FOUND | MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
}
return mp_const_none;
}
STATIC mp_obj_t set_symmetric_difference_update(mp_obj_t self_in, mp_obj_t other_in) {
check_set_or_frozenset(self_in); // can be frozenset due to call from set_symmetric_difference
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_obj_t iter = mp_getiter(other_in, NULL);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
mp_set_lookup(&self->set, next, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND_OR_REMOVE_IF_FOUND);
}
return mp_const_none;
}
STATIC mp_obj_t set_pop(mp_obj_t self_in) {
assert(MP_OBJ_IS_TYPE(self_in, &set_type));
mp_obj_set_t *self = self_in;
if (self->set.used == 0) {
nlr_jump(mp_obj_new_exception_msg(&mp_type_KeyError, "pop from an empty set"));
}
mp_obj_t obj = mp_set_lookup(&self->set, NULL,
MP_MAP_LOOKUP_REMOVE_IF_FOUND | MP_MAP_LOOKUP_FIRST);
return obj;
}
STATIC mp_obj_t set_isdisjoint(mp_obj_t self_in, mp_obj_t other) {
assert(MP_OBJ_IS_TYPE(self_in, &set_type));
mp_obj_set_t *self = self_in;
mp_obj_t iter = rt_getiter(other);
mp_obj_t next;
while ((next = rt_iternext(iter)) != mp_const_stop_iteration) {
if (mp_set_lookup(&self->set, next, MP_MAP_LOOKUP)) {
return mp_const_false;
}
}
return mp_const_true;
}
STATIC void mp_set_rehash(mp_set_t *set) {
size_t old_alloc = set->alloc;
mp_obj_t *old_table = set->table;
set->alloc = get_hash_alloc_greater_or_equal_to(set->alloc + 1);
set->used = 0;
set->table = m_new0(mp_obj_t, set->alloc);
for (size_t i = 0; i < old_alloc; i++) {
if (old_table[i] != MP_OBJ_NULL && old_table[i] != MP_OBJ_SENTINEL) {
mp_set_lookup(set, old_table[i], MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
}
}
m_del(mp_obj_t, old_table, old_alloc);
}
STATIC void mp_set_rehash(mp_set_t *set) {
int old_alloc = set->alloc;
mp_obj_t *old_table = set->table;
set->alloc = get_doubling_prime_greater_or_equal_to(set->alloc + 1);
set->used = 0;
set->table = m_new0(mp_obj_t, set->alloc);
for (int i = 0; i < old_alloc; i++) {
if (old_table[i] != NULL) {
mp_set_lookup(set, old_table[i], true);
}
}
m_del(mp_obj_t, old_table, old_alloc);
}
STATIC mp_obj_t set_isdisjoint(mp_obj_t self_in, mp_obj_t other) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
mp_obj_set_t *self = self_in;
mp_obj_t iter = mp_getiter(other);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
if (mp_set_lookup(&self->set, next, MP_MAP_LOOKUP)) {
return mp_const_false;
}
}
return mp_const_true;
}
STATIC mp_obj_t set_isdisjoint(mp_obj_t self_in, mp_obj_t other) {
check_set_or_frozenset(self_in);
mp_obj_set_t *self = self_in;
mp_obj_t iter = mp_getiter(other);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
if (mp_set_lookup(&self->set, next, MP_MAP_LOOKUP)) {
return mp_const_false;
}
}
return mp_const_true;
}
STATIC mp_obj_t set_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
mp_obj_t args[] = {lhs, rhs};
switch (op) {
case RT_BINARY_OP_OR:
return set_union(lhs, rhs);
case RT_BINARY_OP_XOR:
return set_symmetric_difference(lhs, rhs);
case RT_BINARY_OP_AND:
return set_intersect(lhs, rhs);
case RT_BINARY_OP_SUBTRACT:
return set_diff(2, args);
case RT_BINARY_OP_INPLACE_OR:
return set_union(lhs, rhs);
case RT_BINARY_OP_INPLACE_XOR:
return set_symmetric_difference(lhs, rhs);
case RT_BINARY_OP_INPLACE_AND:
return set_intersect(lhs, rhs);
case RT_BINARY_OP_INPLACE_SUBTRACT:
return set_diff(2, args);
case RT_BINARY_OP_LESS:
return set_issubset_proper(lhs, rhs);
case RT_BINARY_OP_MORE:
return set_issuperset_proper(lhs, rhs);
case RT_BINARY_OP_EQUAL:
return set_equal(lhs, rhs);
case RT_BINARY_OP_LESS_EQUAL:
return set_issubset(lhs, rhs);
case RT_BINARY_OP_MORE_EQUAL:
return set_issuperset(lhs, rhs);
case RT_BINARY_OP_NOT_EQUAL:
return MP_BOOL(set_equal(lhs, rhs) == mp_const_false);
case RT_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;
}
}
STATIC mp_obj_t set_issubset_internal(mp_obj_t self_in, mp_obj_t other_in, bool proper) {
mp_obj_set_t *self;
bool cleanup_self = false;
if (is_set_or_frozenset(self_in)) {
self = MP_OBJ_TO_PTR(self_in);
} else {
self = MP_OBJ_TO_PTR(set_make_new(&mp_type_set, 1, 0, &self_in));
cleanup_self = true;
}
mp_obj_set_t *other;
bool cleanup_other = false;
if (is_set_or_frozenset(other_in)) {
other = MP_OBJ_TO_PTR(other_in);
} else {
other = MP_OBJ_TO_PTR(set_make_new(&mp_type_set, 1, 0, &other_in));
cleanup_other = true;
}
mp_obj_t out = mp_const_true;
if (proper && self->set.used == other->set.used) {
out = mp_const_false;
} else {
mp_obj_iter_buf_t iter_buf;
mp_obj_t iter = set_getiter(MP_OBJ_FROM_PTR(self), &iter_buf);
mp_obj_t next;
while ((next = set_it_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
if (!mp_set_lookup(&other->set, next, MP_MAP_LOOKUP)) {
out = mp_const_false;
break;
}
}
}
// TODO: Should free objects altogether
if (cleanup_self) {
set_clear(MP_OBJ_FROM_PTR(self));
}
if (cleanup_other) {
set_clear(MP_OBJ_FROM_PTR(other));
}
return out;
}
STATIC mp_obj_t set_issubset_internal(mp_obj_t self_in, mp_obj_t other_in, bool proper) {
mp_obj_set_t *self;
bool cleanup_self = false;
if (MP_OBJ_IS_TYPE(self_in, &mp_type_set)) {
self = self_in;
} else {
self = set_make_new((mp_obj_t)&mp_type_set, 1, 0, &self_in);
cleanup_self = true;
}
mp_obj_set_t *other;
bool cleanup_other = false;
if (MP_OBJ_IS_TYPE(other_in, &mp_type_set)) {
other = other_in;
} else {
other = set_make_new((mp_obj_t)&mp_type_set, 1, 0, &other_in);
cleanup_other = true;
}
bool out = true;
if (proper && self->set.used == other->set.used) {
out = false;
} else {
mp_obj_t iter = set_getiter(self);
mp_obj_t next;
while ((next = set_it_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
if (!mp_set_lookup(&other->set, next, MP_MAP_LOOKUP)) {
out = false;
break;
}
}
}
if (cleanup_self) {
set_clear(self);
}
if (cleanup_other) {
set_clear(other);
}
return MP_BOOL(out);
}
STATIC mp_obj_t set_add(mp_obj_t self_in, mp_obj_t item) {
check_set(self_in);
mp_obj_set_t *self = self_in;
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
return mp_const_none;
}
void mp_obj_set_store(mp_obj_t self_in, mp_obj_t item) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
mp_obj_set_t *self = self_in;
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
}
STATIC mp_obj_t set_binary_op(mp_binary_op_t op, mp_obj_t lhs, mp_obj_t rhs) {
mp_obj_t args[] = {lhs, rhs};
#if MICROPY_PY_BUILTINS_FROZENSET
bool update = MP_OBJ_IS_TYPE(lhs, &mp_type_set);
#else
bool update = true;
#endif
if (op != MP_BINARY_OP_CONTAINS && !is_set_or_frozenset(rhs)) {
// For all ops except containment the RHS must be a set/frozenset
return MP_OBJ_NULL;
}
switch (op) {
case MP_BINARY_OP_OR:
return set_union(lhs, rhs);
case MP_BINARY_OP_XOR:
return set_symmetric_difference(lhs, rhs);
case MP_BINARY_OP_AND:
return set_intersect(lhs, rhs);
case MP_BINARY_OP_SUBTRACT:
return set_diff(2, args);
case MP_BINARY_OP_INPLACE_OR:
if (update) {
set_update(2, args);
return lhs;
} else {
return set_union(lhs, rhs);
}
case MP_BINARY_OP_INPLACE_XOR:
if (update) {
set_symmetric_difference_update(lhs, rhs);
return lhs;
} else {
return set_symmetric_difference(lhs, rhs);
}
case MP_BINARY_OP_INPLACE_AND:
rhs = set_intersect_int(lhs, rhs, update);
if (update) {
return lhs;
} else {
return rhs;
}
case MP_BINARY_OP_INPLACE_SUBTRACT:
return set_diff_int(2, args, update);
case MP_BINARY_OP_LESS:
return set_issubset_proper(lhs, rhs);
case MP_BINARY_OP_MORE:
return set_issuperset_proper(lhs, rhs);
case MP_BINARY_OP_EQUAL:
return set_equal(lhs, rhs);
case MP_BINARY_OP_LESS_EQUAL:
return set_issubset(lhs, rhs);
case MP_BINARY_OP_MORE_EQUAL:
return set_issuperset(lhs, rhs);
case MP_BINARY_OP_CONTAINS: {
mp_obj_set_t *o = MP_OBJ_TO_PTR(lhs);
mp_obj_t elem = mp_set_lookup(&o->set, rhs, MP_MAP_LOOKUP);
return mp_obj_new_bool(elem != MP_OBJ_NULL);
}
default:
return MP_OBJ_NULL; // op not supported
}
}
void mp_obj_set_store(mp_obj_t self_in, mp_obj_t item) {
mp_check_self(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
}
STATIC mp_obj_t set_add(mp_obj_t self_in, mp_obj_t item) {
assert(MP_OBJ_IS_TYPE(self_in, &set_type));
mp_obj_set_t *self = self_in;
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
return mp_const_none;
}
STATIC mp_obj_t set_discard(mp_obj_t self_in, mp_obj_t item) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
mp_obj_set_t *self = self_in;
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND);
return mp_const_none;
}
STATIC mp_obj_t set_discard(mp_obj_t self_in, mp_obj_t item) {
check_set(self_in);
mp_obj_set_t *self = self_in;
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND);
return mp_const_none;
}