The interface target can now be stored on PropertyGet, PropertySet, and
MethodInvocation If set, we know the concrete target overrides or
implements that member.
All expressions have a method getStaticType for computing its type,
which relies on interface targets for the expressions that have one.
Expressions whose type is a least upper bound have the type stored
explicitly, so the definition of least upper bounds is contained only
in the frontend.
This is a work in progress towards strong mode support, it is still
not complete.
Still missing in the frontend:
- checks from implicit downcasts
- parameter checks from covariant override or covariant generics
Implemented but not part of this CL:
- subtype tests
- IR type checker (for debugging)
BUG=
R=kmillikin@google.com
Review URL: https://chromereviews.googleplex.com/496717014 .
Asger Feldthaus
062cb17ec4