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| author | Paul Sokolovsky <pfalcon@users.sourceforge.net> | 2016-06-19 00:01:59 +0300 |
|---|---|---|
| committer | Paul Sokolovsky <pfalcon@users.sourceforge.net> | 2016-06-19 00:01:59 +0300 |
| commit | 413c3e10b4a046493e648686e8d355db95e8846b (patch) | |
| tree | 2848d49b8c8d2b4849e111fd1b1f50f963bec28b /py | |
| parent | ad229477c65a5372a4cb77d32f366e7deeaa8099 (diff) | |
| download | micropython-413c3e10b4a046493e648686e8d355db95e8846b.tar.gz micropython-413c3e10b4a046493e648686e8d355db95e8846b.zip | |
py/objtype: instance: Inherit protocol vtable from a base class.
This allows to define an abstract base class which would translate
C-level protocol to Python method calls, and any subclass inheriting
from it will support this feature. This in particular actually enables
recently introduced machine.PinBase class.
Diffstat (limited to 'py')
| -rw-r--r-- | py/objtype.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/py/objtype.c b/py/objtype.c index 2f14c387db..3020ed513d 100644 --- a/py/objtype.c +++ b/py/objtype.c @@ -914,7 +914,11 @@ mp_obj_t mp_obj_new_type(qstr name, mp_obj_t bases_tuple, mp_obj_t locals_dict) o->getiter = instance_getiter; //o->iternext = ; not implemented o->buffer_p.get_buffer = instance_get_buffer; - //o->stream_p = ; not implemented + // Inherit protocol from a base class. This allows to define an + // abstract base class which would translate C-level protocol to + // Python method calls, and any subclass inheriting from it will + // support this feature. + o->protocol = ((mp_obj_type_t*)MP_OBJ_TO_PTR(items[0]))->protocol; o->bases_tuple = MP_OBJ_TO_PTR(bases_tuple); o->locals_dict = MP_OBJ_TO_PTR(locals_dict); |