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| author | Damien George <damien.p.george@gmail.com> | 2014-01-05 16:08:58 -0800 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2014-01-05 16:08:58 -0800 |
| commit | e03c0533fe467439bae1addd6d2a2ee57a9370e4 (patch) | |
| tree | 6750678d47844bb3918b4012a8af41cd989eeda5 /py | |
| parent | 8137b004b004d8e3a594eab90afccb72b779273a (diff) | |
| parent | a10dba75090b38919790d1c3ad8bb9d2c126b7f4 (diff) | |
| download | micropython-e03c0533fe467439bae1addd6d2a2ee57a9370e4.tar.gz micropython-e03c0533fe467439bae1addd6d2a2ee57a9370e4.zip | |
Merge pull request #94 from chipaca/list_reverse
Implements list.reverse; fixes issue #66.
Diffstat (limited to 'py')
| -rw-r--r-- | py/objlist.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/py/objlist.c b/py/objlist.c index dc7ff3e176..02a6b1525b 100644 --- a/py/objlist.c +++ b/py/objlist.c @@ -235,6 +235,20 @@ static mp_obj_t list_remove(mp_obj_t self_in, mp_obj_t value) { return mp_const_none; } +static mp_obj_t list_reverse(mp_obj_t self_in) { + assert(MP_OBJ_IS_TYPE(self_in, &list_type)); + mp_obj_list_t *self = self_in; + + int len = self->len; + for (int i = 0; i < len/2; i++) { + mp_obj_t *a = self->items[i]; + self->items[i] = self->items[len-i-1]; + self->items[len-i-1] = a; + } + + return mp_const_none; +} + static MP_DEFINE_CONST_FUN_OBJ_2(list_append_obj, mp_obj_list_append); static MP_DEFINE_CONST_FUN_OBJ_1(list_clear_obj, list_clear); static MP_DEFINE_CONST_FUN_OBJ_1(list_copy_obj, list_copy); @@ -243,6 +257,7 @@ static MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(list_index_obj, 2, 4, list_index); static MP_DEFINE_CONST_FUN_OBJ_3(list_insert_obj, list_insert); static MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(list_pop_obj, 1, 2, list_pop); static MP_DEFINE_CONST_FUN_OBJ_2(list_remove_obj, list_remove); +static MP_DEFINE_CONST_FUN_OBJ_1(list_reverse_obj, list_reverse); static MP_DEFINE_CONST_FUN_OBJ_2(list_sort_obj, list_sort); const mp_obj_type_t list_type = { @@ -262,6 +277,7 @@ const mp_obj_type_t list_type = { { "insert", &list_insert_obj }, { "pop", &list_pop_obj }, { "remove", &list_remove_obj }, + { "reverse", &list_reverse_obj }, { "sort", &list_sort_obj }, { NULL, NULL }, // end-of-list sentinel }, |