KTIJ-664 [SealedClassInheritorsProvider]: IDE-specific implementation

core/descriptors/src/org/jetbrains/kotlin/resolve/SealedClassInheritorsProvider.kt

@@ -18,17 +18,17 @@ abstract class SealedClassInheritorsProvider {
      */
     abstract fun computeSealedSubclasses(
         sealedClass: ClassDescriptor,
-        freedomForSealedInterfacesSupported: Boolean
+        allowSealedInheritorsInDifferentFilesOfSamePackage: Boolean
     ): Collection<ClassDescriptor>
 }
 
-object SealedClassInheritorsProviderImpl : SealedClassInheritorsProvider() {
+object CliSealedClassInheritorsProvider : SealedClassInheritorsProvider() {
     // Note this is a generic and slow implementation which would work almost for any subclass of ClassDescriptor.
     // Please avoid using it in new code.
     // TODO: do something more clever instead at call sites of this function
     override fun computeSealedSubclasses(
         sealedClass: ClassDescriptor,
-        freedomForSealedInterfacesSupported: Boolean
+        allowSealedInheritorsInDifferentFilesOfSamePackage: Boolean
     ): Collection<ClassDescriptor> {
         if (sealedClass.modality != Modality.SEALED) return emptyList()
 
@@ -48,7 +48,7 @@ object SealedClassInheritorsProviderImpl : SealedClassInheritorsProvider() {
             }
         }
 
-        val container = if (!freedomForSealedInterfacesSupported) {
+        val container = if (!allowSealedInheritorsInDifferentFilesOfSamePackage) {
             sealedClass.containingDeclaration
         } else {
             sealedClass.parents.firstOrNull { it is PackageFragmentDescriptor }
@@ -56,7 +56,7 @@ object SealedClassInheritorsProviderImpl : SealedClassInheritorsProvider() {
         if (container is PackageFragmentDescriptor) {
             collectSubclasses(
                 container.getMemberScope(),
-                collectNested = freedomForSealedInterfacesSupported
+                collectNested = allowSealedInheritorsInDifferentFilesOfSamePackage
             )
         }
         collectSubclasses(sealedClass.unsubstitutedInnerClassesScope, collectNested = true)

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/descriptors/DeserializedClassDescriptor.kt

@@ -18,7 +18,7 @@ import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.DescriptorFactory
 import org.jetbrains.kotlin.resolve.NonReportingOverrideStrategy
 import org.jetbrains.kotlin.resolve.OverridingUtil
-import org.jetbrains.kotlin.resolve.SealedClassInheritorsProviderImpl
+import org.jetbrains.kotlin.resolve.CliSealedClassInheritorsProvider
 import org.jetbrains.kotlin.resolve.descriptorUtil.classId
 import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter
 import org.jetbrains.kotlin.resolve.scopes.MemberScope
@@ -165,7 +165,7 @@ class DeserializedClassDescriptor(
         }
 
         // This is needed because classes compiled with Kotlin 1.0 did not contain the sealed_subclass_fq_name field
-        return SealedClassInheritorsProviderImpl.computeSealedSubclasses(this, freedomForSealedInterfacesSupported = false)
+        return CliSealedClassInheritorsProvider.computeSealedSubclasses(this, allowSealedInheritorsInDifferentFilesOfSamePackage = false)
     }
 
     override fun getSealedSubclasses() = sealedSubclasses()