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uctypes: Implement assignment for scalar array

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Antonin ENFRUN 2015-12-27 20:16:45 +01:00 committed by Paul Sokolovsky
parent 8212d97317
commit 26ed00118b
1 changed files with 23 additions and 8 deletions
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31
extmod/moductypes.c
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@ -512,8 +512,8 @@ STATIC mp_obj_t uctypes_struct_subscr(mp_obj_t self_in, mp_obj_t index_in, mp_ob
if (value == MP_OBJ_NULL) {
// delete
return MP_OBJ_NULL; // op not supported
} else if (value == MP_OBJ_SENTINEL) {
// load
} else {
// load / store
if (!MP_OBJ_IS_TYPE(self->desc, &mp_type_tuple)) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "struct: cannot index"));
}
@ -533,9 +533,24 @@ STATIC mp_obj_t uctypes_struct_subscr(mp_obj_t self_in, mp_obj_t index_in, mp_ob
}
if (t->len == 2) {
byte *p = self->addr + GET_SCALAR_SIZE(val_type) * index;
return get_unaligned(val_type, p, self->flags);
} else {
// array of scalars
if (self->flags == LAYOUT_NATIVE) {
if (value == MP_OBJ_SENTINEL) {
return get_aligned(val_type, self->addr, index);
} else {
set_aligned(val_type, self->addr, index, value);
return value; // just !MP_OBJ_NULL
}
} else {
byte *p = self->addr + GET_SCALAR_SIZE(val_type) * index;
if (value == MP_OBJ_SENTINEL) {
return get_unaligned(val_type, p, self->flags);
} else {
set_unaligned(val_type, p, self->flags, value);
return value; // just !MP_OBJ_NULL
}
}
} else if (value == MP_OBJ_SENTINEL) {
mp_uint_t dummy = 0;
mp_uint_t size = uctypes_struct_size(t->items[2], self->flags, &dummy);
mp_obj_uctypes_struct_t *o = m_new_obj(mp_obj_uctypes_struct_t);
@ -544,7 +559,10 @@ STATIC mp_obj_t uctypes_struct_subscr(mp_obj_t self_in, mp_obj_t index_in, mp_ob
o->addr = self->addr + size * index;
o->flags = self->flags;
return MP_OBJ_FROM_PTR(o);
} else {
return MP_OBJ_NULL; // op not supported
}
} else if (agg_type == PTR) {
byte *p = *(void**)self->addr;
if (MP_OBJ_IS_SMALL_INT(t->items[1])) {
@ -564,9 +582,6 @@ STATIC mp_obj_t uctypes_struct_subscr(mp_obj_t self_in, mp_obj_t index_in, mp_ob
assert(0);
return MP_OBJ_NULL;
} else {
// store
return MP_OBJ_NULL; // op not supported
}
}