Re: [Vala] Chaining up constructors.

[Jürg Billeter <j bitron ch>]

On Sun, 2008-11-23 at 00:13 -0500, Yu Feng wrote:
> Both vala 0.5.1 and trunk fails to smoothly switching the parent
> classes. if I have extra stuff in the creation methods.

Do you have an example or bugzilla link?

> > I don't think you should mix the two construction schemes to much as
> > they are essentially incompatible. GObject basically doesn't support
> > custom constructor chaining interference, so if vala wants to support
> > this (and by doing so breaking the GObject way a bit), why keep the
> > property assignment limitation?
>
> Why are they essentially incompatible? As far as I know the construct
> blocks corresponds to Klass->constructor, and they are automatically
> chained up.
>
> If you mean chaining up the CreationMethods, I still can't see any
> incompatibilities.

The construct blocks are not incompatible with chaining up
CreationMethods, however, construct properties are. Assignment to a
construct property in a CreationMethod makes chaining up impossible in
the current implementation.

Jürg