djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

py: Tidy up array.array; add more error handling.

Browse Source
This commit is contained in:
Damien George 2014-04-18 22:04:06 +01:00
parent 90edf9e13b
commit 32ca164992
1 changed files with 27 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
py/objarray.c
View File

@ -35,7 +35,7 @@ STATIC void array_print(void (*print)(void *env, const char *fmt, ...), void *en
} else {
print(env, "array('%c'", o->typecode);
if (o->len > 0) {
print(env, ", [", o->typecode);
print(env, ", [");
for (int i = 0; i < o->len; i++) {
if (i > 0) {
print(env, ", ");
@ -75,32 +75,37 @@ STATIC mp_obj_t array_construct(char typecode, mp_obj_t initializer) {
}
STATIC mp_obj_t array_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
if (n_args < 1 || n_args > 2) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "unexpected # of arguments, %d given", n_args));
}
// TODO check args
mp_check_nargs(n_args, 1, 2, n_kw, false);
// get typecode
uint l;
const char *typecode = mp_obj_str_get_data(args[0], &l);
if (n_args == 1) {
return array_new(*typecode, 0);
}
return array_construct(*typecode, args[1]);
if (n_args == 1) {
// 1 arg: make an empty array
return array_new(*typecode, 0);
} else {
// 2 args: construct the array from the given iterator
return array_construct(*typecode, args[1]);
}
}
STATIC mp_obj_t bytearray_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
if (n_args > 1) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "unexpected # of arguments, %d given", n_args));
}
mp_check_nargs(n_args, 0, 1, n_kw, false);
if (MP_OBJ_IS_SMALL_INT(args[0])) {
if (n_args == 0) {
// no args: construct an empty bytearray
return array_new(BYTEARRAY_TYPECODE, 0);
} else if (MP_OBJ_IS_SMALL_INT(args[0])) {
// 1 arg, an integer: construct a blank bytearray of that length
uint len = MP_OBJ_SMALL_INT_VALUE(args[0]);
mp_obj_array_t *o = array_new(BYTEARRAY_TYPECODE, len);
memset(o->items, 0, len);
return o;
} else {
// 1 arg, an iterator: construct the bytearray from that
return array_construct(BYTEARRAY_TYPECODE, args[0]);
}
return array_construct(BYTEARRAY_TYPECODE, args[0]);
}
STATIC mp_obj_t array_unary_op(int op, mp_obj_t o_in) {
@ -129,7 +134,8 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(array_append_obj, array_append);
STATIC mp_obj_t array_subscr(mp_obj_t self_in, mp_obj_t index_in, mp_obj_t value) {
if (value == MP_OBJ_NULL) {
// delete item; does this need to be implemented?
// delete item
// TODO implement
return MP_OBJ_NOT_SUPPORTED;
} else {
mp_obj_array_t *o = self_in;
@ -183,12 +189,16 @@ const mp_obj_type_t mp_type_bytearray = {
};
STATIC mp_obj_array_t *array_new(char typecode, uint n) {
int typecode_size = mp_binary_get_size(typecode);
if (typecode_size <= 0) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "bad typecode"));
}
mp_obj_array_t *o = m_new_obj(mp_obj_array_t);
o->base.type = (typecode == BYTEARRAY_TYPECODE) ? &mp_type_bytearray : &mp_type_array;
o->typecode = typecode;
o->free = 0;
o->len = n;
o->items = m_malloc(mp_binary_get_size(typecode) * o->len);
o->items = m_malloc(typecode_size * o->len);
return o;
}