Under COMPOSITE mode we don't have a globally known way to create
built-ins, instead, we have to create them on per-module basis.
So, in this commit we:
1. Use builtInsProvider: (ModuleInfo) -> KotlinBuiltIns instead of
precomputed builtIns instance, in order to be able to calculate
builtIns on per-module basis
2. Introduce new entity, called BuiltInsCache, which, roughly
speaking, is a map of form ModuleInfo -> KotlinBuiltIns, to prevent
creation of multiple builtInsInstances
NB. Actually, it's of form BuiltInsCacheKey -> KotlinBuiltIns, because
we shouldn't create new builtIns for each module. Also, currently,
each platform has its own BuiltInsCacheKey implementation, because
parameters by which built-ins are created, are a bit different across
different platforms. Ideally, we should eliminate those differences
and they use one concrete implementation as a key.
As consequence, remove IdePlatformKindTooling.resolverForModule, because
it became more than just field, and it duplicates similar API in
IdePlatformKindResolution anyways
This is a large commit, which introduces general API for working with
abstraction of Platform.
- Add new abstraction to 'core' - SimplePlatform - which represents
exactly one platform
- Clients are strongly prohibited to create instances of SimplePlatform
by hand, instead, corresponding *Platforms abstraction should be used
(e.g. JvmPlatforms, JsPlatforms, KonanPlatforms)
- Move TargetPlatform to 'core', it represents now a collection of
SimplePlatforms
- Clients are strongly encouraged to use TargetPlatform
(not SimplePlatform) in API, to enforce checks for multiplatform
- Provide a helper-extensions to work with TargetPlatform
(in particular, for getting a specific component platform)
- Remove MultiTargetPlatform in favour of TargetPlatform
- Notably, this commit leaves another widely used duplicated abstraction,
namely, IdePlatform. For the sake sanity, removal of IdePlatform is
extracted in the separate commit.
This decouples simple data (TargetPlatform) from other subsystem-specific
logic (like default imports, built-ins, etc.).
Aside from purely aesthetic improvements, it also makes it easier
to move 'TargetPlatform' into core (see next commits)
Mostly unused imports. Also, in some places,
TargetPlatform/MultiTargetPlatform were just passed around without
actually using (e.g. in deserialization)
Dmitriy Dolovov