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objdict: Implement equality operator. 

Sure, it's O(n^2).
This commit is contained in:
Paul Sokolovsky 2014-04-06 21:20:52 +03:00
parent 5fedd0c3b7
commit 7cf057aeeb
1 changed files with 22 additions and 0 deletions
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22
py/objdict.c
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@ -86,6 +86,28 @@ STATIC mp_obj_t dict_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
mp_map_elem_t *elem = mp_map_lookup(&o->map, rhs_in, MP_MAP_LOOKUP);
return MP_BOOL(elem != NULL);
}
case MP_BINARY_OP_EQUAL: {
// TODO: Support equality to other object types
if (MP_OBJ_IS_TYPE(rhs_in, &mp_type_dict)) {
mp_obj_dict_t *rhs = rhs_in;
if (o->map.used != rhs->map.used) {
return mp_const_false;
}
machine_uint_t size = o->map.alloc;
mp_map_t *map = &o->map;
for (machine_uint_t i = 0; i < size; i++) {
if (MP_MAP_SLOT_IS_FILLED(map, i)) {
mp_map_elem_t *elem = mp_map_lookup(&rhs->map, map->table[i].key, MP_MAP_LOOKUP);
if (elem == NULL || !mp_obj_equal(map->table[i].value, elem->value)) {
return mp_const_false;
}
}
}
return mp_const_true;
}
}
default:
// op not supported
return NULL;