Implemented set.remove

This commit is contained in:
John R. Lenton
2014-01-12 18:23:36 +00:00
parent 4a08067c0c
commit ae00d334c6
6 changed files with 110 additions and 10 deletions

View File

@@ -227,6 +227,70 @@ static mp_obj_t set_isdisjoint(mp_obj_t self_in, mp_obj_t other) {
}
static MP_DEFINE_CONST_FUN_OBJ_2(set_isdisjoint_obj, set_isdisjoint);
static mp_obj_t set_issubset(mp_obj_t self_in, mp_obj_t other_in) {
mp_obj_set_t *self;
bool cleanup_self = false;
if (MP_OBJ_IS_TYPE(self_in, &set_type)) {
self = self_in;
} else {
self = set_make_new(NULL, 1, &self_in);
cleanup_self = true;
}
mp_obj_set_t *other;
bool cleanup_other = false;
if (MP_OBJ_IS_TYPE(other_in, &set_type)) {
other = other_in;
} else {
other = set_make_new(NULL, 1, &other_in);
cleanup_other = true;
}
mp_obj_t iter = set_getiter(self);
mp_obj_t next;
mp_obj_t out = mp_const_true;
while ((next = set_it_iternext(iter)) != mp_const_stop_iteration) {
if (!mp_set_lookup(&other->set, next, MP_MAP_LOOKUP)) {
out = mp_const_false;
break;
}
}
if (cleanup_self) {
set_clear(self);
}
if (cleanup_other) {
set_clear(other);
}
return out;
}
static MP_DEFINE_CONST_FUN_OBJ_2(set_issubset_obj, set_issubset);
static mp_obj_t set_issuperset(mp_obj_t self_in, mp_obj_t other_in) {
return set_issubset(other_in, self_in);
}
static MP_DEFINE_CONST_FUN_OBJ_2(set_issuperset_obj, set_issuperset);
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_QSTR_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_DEFINE_CONST_FUN_OBJ_1(set_pop_obj, set_pop);
static mp_obj_t set_remove(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;
if (mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND) == MP_OBJ_NULL) {
nlr_jump(mp_obj_new_exception(MP_QSTR_KeyError));
}
return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_2(set_remove_obj, set_remove);
/******************************************************************************/
/* set constructors & public C API */
@@ -242,6 +306,10 @@ static const mp_method_t set_type_methods[] = {
{ "intersection", &set_intersect_obj },
{ "intersection_update", &set_intersect_update_obj },
{ "isdisjoint", &set_isdisjoint_obj },
{ "issubset", &set_issubset_obj },
{ "issuperset", &set_issuperset_obj },
{ "pop", &set_pop_obj },
{ "remove", &set_remove_obj },
{ NULL, NULL }, // end-of-list sentinel
};