mirrors/micropython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

py: reduce array slice assignment code size

Browse Source
This commit is contained in:
Delio Brignoli 2015-06-06 20:14:08 +02:00
parent 2af846e711
commit 6a388aaa7c
1 changed files with 15 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
py/objarray.c
View File

@ -402,37 +402,30 @@ STATIC mp_obj_t array_subscr(mp_obj_t self_in, mp_obj_t index_in, mp_obj_t value
// TODO: check src/dst compat
mp_int_t len_adj = src_len - (slice.stop - slice.start);
if (len_adj > 0) {
#if MICROPY_PY_BUILTINS_MEMORYVIEW
if (o->base.type == &mp_type_memoryview) {
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;
}
#endif
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(o->items, o->len,
mp_seq_replace_slice_grow_inplace(dest_items, o->len,
slice.start, slice.stop, src_items, src_len, len_adj, item_sz);
} else {
#if MICROPY_PY_BUILTINS_MEMORYVIEW
if (o->base.type == &mp_type_memoryview) {
if (len_adj != 0) {
goto compat_error;
}
mp_seq_replace_slice_no_grow((uint8_t*)o->items + (o->free * item_sz), o->len,
slice.start, slice.stop, src_items, src_len, item_sz);
} else
#endif
{
mp_seq_replace_slice_no_grow(o->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(o->items, o->len + len_adj, o->len, item_sz);
// TODO: alloc policy after shrinking
}
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;