On 28/06/2017 16:02, Fam Zheng wrote: >>> It's implemented by creating a wrapper property that basically forwards >>> operations to a QOM "link-FOO" property, which handles the check >>> callback and flags. The feature that is missing from QOM is the dynamic >>> child pointer which is done in the added code with the usual "offset" >>> approach. >> Would it be possible to add a ".create" field to PropertyInfo? Then >> there's no need to introduce the wrapper. > QOM setter/getter want a LinkProperty opaque pointer, but qdev uses a Property > pointer. I don't see a way to adapt that with .create(). Can you elaborate?
The .create() callback would call object_property_add_link directly. There would be no change in the properties at the QOM level, but the PropertyInfo lets "info qtree" show the property. Paolo
