STATIC mp_obj_t array_it_iternext(mp_obj_t self_in) {
mp_obj_array_it_t *self = self_in;
if (self->cur < self->array->len) {
return mp_binary_get_val_array(self->array->typecode & TYPECODE_MASK, self->array->items, self->offset + self->cur++);
} else {
return MP_OBJ_STOP_ITERATION;
}
}
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
// TODO implement
// TODO: confirmed that both bytearray and array.array support
// slice deletion
return MP_OBJ_NULL; // op not supported
} else {
mp_obj_array_t *o = self_in;
if (0) {
#if MICROPY_PY_BUILTINS_SLICE
} else if (MP_OBJ_IS_TYPE(index_in, &mp_type_slice)) {
if (value != MP_OBJ_SENTINEL) {
// 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_NULL; // op not supported
}
mp_bound_slice_t slice;
if (!mp_seq_get_fast_slice_indexes(o->len, index_in, &slice)) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError,
"only slices with step=1 (aka None) are supported"));
}
mp_obj_array_t *res = array_new(o->typecode, slice.stop - slice.start);
int sz = mp_binary_get_size('@', o->typecode, NULL);
assert(sz > 0);
byte *p = o->items;
memcpy(res->items, p + slice.start * sz, (slice.stop - slice.start) * sz);
return res;
#endif
} else {
uint index = mp_get_index(o->base.type, o->len, index_in, false);
if (value == MP_OBJ_SENTINEL) {
// load
return mp_binary_get_val_array(o->typecode, o->items, index);
} else {
// store
mp_binary_set_val_array(o->typecode, o->items, index, value);
return mp_const_none;
}
}
}
}
STATIC void array_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
mp_obj_array_t *o = o_in;
if (o->typecode == BYTEARRAY_TYPECODE) {
print(env, "bytearray(b", o->typecode);
mp_str_print_quoted(print, env, o->items, o->len, true);
} else {
print(env, "array('%c'", o->typecode);
if (o->len > 0) {
print(env, ", [");
for (int i = 0; i < o->len; i++) {
if (i > 0) {
print(env, ", ");
}
mp_obj_print_helper(print, env, mp_binary_get_val_array(o->typecode, o->items, i), PRINT_REPR);
}
print(env, "]");
}
}
print(env, ")");
}
STATIC void array_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
(void)kind;
mp_obj_array_t *o = o_in;
if (o->typecode == BYTEARRAY_TYPECODE) {
mp_print_str(print, "bytearray(b");
mp_str_print_quoted(print, o->items, o->len, true);
} else {
mp_printf(print, "array('%c'", o->typecode);
if (o->len > 0) {
mp_print_str(print, ", [");
for (mp_uint_t i = 0; i < o->len; i++) {
if (i > 0) {
mp_print_str(print, ", ");
}
mp_obj_print_helper(print, mp_binary_get_val_array(o->typecode, o->items, i), PRINT_REPR);
}
mp_print_str(print, "]");
}
}
mp_print_str(print, ")");
}
STATIC mp_obj_t ffivar_get(mp_obj_t self_in) {
mp_obj_ffivar_t *self = self_in;
return mp_binary_get_val_array(self->type, self->var, 0);
}
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
// TODO implement
// TODO: confirmed that both bytearray and array.array support
// slice deletion
return MP_OBJ_NULL; // op not supported
} else {
mp_obj_array_t *o = self_in;
if (0) {
#if MICROPY_PY_BUILTINS_SLICE
} else if (MP_OBJ_IS_TYPE(index_in, &mp_type_slice)) {
mp_bound_slice_t slice;
if (!mp_seq_get_fast_slice_indexes(o->len, index_in, &slice)) {
mp_not_implemented("only slices with step=1 (aka None) are supported");
}
if (value != MP_OBJ_SENTINEL) {
#if MICROPY_PY_ARRAY_SLICE_ASSIGN
// Assign
mp_uint_t src_len;
void *src_items;
size_t item_sz = mp_binary_get_size('@', o->typecode & TYPECODE_MASK, NULL);
if (MP_OBJ_IS_OBJ(value) && ((mp_obj_base_t*)value)->type->subscr == array_subscr) {
// value is array, bytearray or memoryview
mp_obj_array_t *src_slice = value;
if (item_sz != mp_binary_get_size('@', src_slice->typecode & TYPECODE_MASK, NULL)) {
compat_error:
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "lhs and rhs should be compatible"));
}
src_len = src_slice->len;
src_items = src_slice->items;
#if MICROPY_PY_BUILTINS_MEMORYVIEW
if (MP_OBJ_IS_TYPE(value, &mp_type_memoryview)) {
src_items = (uint8_t*)src_items + (src_slice->free * item_sz);
}
#endif
} else if (MP_OBJ_IS_TYPE(value, &mp_type_bytes)) {
if (item_sz != 1) {
goto compat_error;
}
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(value, &bufinfo, MP_BUFFER_READ);
src_len = bufinfo.len;
src_items = bufinfo.buf;
} else {
mp_not_implemented("array/bytes required on right side");
}
// TODO: check src/dst compat
mp_int_t len_adj = src_len - (slice.stop - slice.start);
uint8_t* dest_items = o->items;
#if MICROPY_PY_BUILTINS_MEMORYVIEW
if (o->base.type == &mp_type_memoryview) {
if (len_adj != 0) {
goto compat_error;
}
dest_items += o->free * item_sz;
}
#endif
if (len_adj > 0) {
if (len_adj > o->free) {
// TODO: alloc policy; at the moment we go conservative
o->items = m_renew(byte, o->items, (o->len + o->free) * item_sz, (o->len + len_adj) * item_sz);
o->free = 0;
}
mp_seq_replace_slice_grow_inplace(dest_items, o->len,
slice.start, slice.stop, src_items, src_len, len_adj, item_sz);
} else {
mp_seq_replace_slice_no_grow(dest_items, o->len,
slice.start, slice.stop, src_items, src_len, item_sz);
// Clear "freed" elements at the end of list
// TODO: This is actually only needed for typecode=='O'
mp_seq_clear(dest_items, o->len + len_adj, o->len, item_sz);
// TODO: alloc policy after shrinking
}
o->len += len_adj;
return mp_const_none;
#else
return MP_OBJ_NULL; // op not supported
#endif
}
mp_obj_array_t *res;
size_t sz = mp_binary_get_size('@', o->typecode & TYPECODE_MASK, NULL);
assert(sz > 0);
if (0) {
// dummy
#if MICROPY_PY_BUILTINS_MEMORYVIEW
} else if (o->base.type == &mp_type_memoryview) {
res = m_new_obj(mp_obj_array_t);
*res = *o;
res->free += slice.start;
res->len = slice.stop - slice.start;
#endif
} else {
res = array_new(o->typecode, slice.stop - slice.start);
memcpy(res->items, (uint8_t*)o->items + slice.start * sz, (slice.stop - slice.start) * sz);
}
return res;
#endif
} else {
mp_uint_t index = mp_get_index(o->base.type, o->len, index_in, false);
#if MICROPY_PY_BUILTINS_MEMORYVIEW
if (o->base.type == &mp_type_memoryview) {
index += o->free;
if (value != MP_OBJ_SENTINEL && (o->typecode & 0x80) == 0) {
// store to read-only memoryview
return MP_OBJ_NULL;
}
}
#endif
if (value == MP_OBJ_SENTINEL) {
// load
return mp_binary_get_val_array(o->typecode & TYPECODE_MASK, o->items, index);
} else {
// store
mp_binary_set_val_array(o->typecode & TYPECODE_MASK, o->items, index, value);
return mp_const_none;
}
}
}
}
