Instead of having separate API methods `propertyGet` (for accessing
the properties of an explicit target) and `thisOrSuperPropertyGet`
(for accessing the properties of `this` or `super`), switch to a
single `propertyGet` method. Make the `target` parameter of
`propertyGet` a sealed class (`PropertyTarget`) with three subtypes
representing the three possible kinds of targets:
- `ExpressionPropertyTarget` for an explicit target expression,
- `SuperPropertyTarget` is the target is `super`, and
- `ThisPropertyTarget` if the target is `this`.
Also adjust the API for `promotedPropertyType` to use the new
`PropertyTarget` class for its `target` parameter, rather than a
nullable `target` expression and boolean `isSuperAccess` parameter.
Change-Id: I90535f6d6741776548bc4d60359fd4c40c0fab90
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/304763
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>
Paul Berry
54372b3308