[NI] Refactoring: rename NonFixedType -> StubType

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/inference/CoroutineInferenceSession.kt

@@ -25,7 +25,7 @@ import org.jetbrains.kotlin.resolve.calls.model.KotlinCallComponents
 import org.jetbrains.kotlin.resolve.calls.model.KotlinResolutionCandidate
 import org.jetbrains.kotlin.resolve.calls.model.ResolvedLambdaAtom
 import org.jetbrains.kotlin.resolve.calls.tower.*
-import org.jetbrains.kotlin.types.NonFixedType
+import org.jetbrains.kotlin.types.StubType
 import org.jetbrains.kotlin.types.TypeConstructor
 import org.jetbrains.kotlin.types.UnwrappedType
 import org.jetbrains.kotlin.types.expressions.DoubleColonExpressionResolver
@@ -38,7 +38,7 @@ class CoroutineInferenceSession(
     callComponents: KotlinCallComponents,
     builtIns: KotlinBuiltIns,
     private val topLevelCallContext: BasicCallResolutionContext,
-    private val stubsForPostponedVariables: Map<NewTypeVariable, NonFixedType>,
+    private val stubsForPostponedVariables: Map<NewTypeVariable, StubType>,
     private val trace: BindingTrace,
     private val kotlinToResolvedCallTransformer: KotlinToResolvedCallTransformer,
     private val expressionTypingServices: ExpressionTypingServices,

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tower/KotlinResolutionCallbacksImpl.kt

@@ -86,7 +86,7 @@ class KotlinResolutionCallbacksImpl(
         receiverType: UnwrappedType?,
         parameters: List<UnwrappedType>,
         expectedReturnType: UnwrappedType?,
-        stubsForPostponedVariables: Map<NewTypeVariable, NonFixedType>
+        stubsForPostponedVariables: Map<NewTypeVariable, StubType>
     ): Pair<List<KotlinCallArgument>, InferenceSession?> {
         val psiCallArgument = lambdaArgument.psiCallArgument as PSIFunctionKotlinCallArgument
         val outerCallContext = psiCallArgument.outerCallContext

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/components/ExternalComponents.kt

@@ -12,8 +12,7 @@ import org.jetbrains.kotlin.resolve.calls.inference.model.NewTypeVariable
 import org.jetbrains.kotlin.resolve.calls.model.*
 import org.jetbrains.kotlin.resolve.calls.tower.ImplicitScopeTower
 import org.jetbrains.kotlin.resolve.scopes.receivers.ReceiverValueWithSmartCastInfo
-import org.jetbrains.kotlin.types.KotlinType
-import org.jetbrains.kotlin.types.NonFixedType
+import org.jetbrains.kotlin.types.StubType
 import org.jetbrains.kotlin.types.UnwrappedType
 
 // stateless component
@@ -37,7 +36,7 @@ interface KotlinResolutionCallbacks {
         receiverType: UnwrappedType?,
         parameters: List<UnwrappedType>,
         expectedReturnType: UnwrappedType?, // null means, that return type is not proper i.e. it depends on some type variables
-        stubsForPostponedVariables: Map<NewTypeVariable, NonFixedType>
+        stubsForPostponedVariables: Map<NewTypeVariable, StubType>
     ): Pair<List<KotlinCallArgument>, InferenceSession?>
 
     fun bindStubResolvedCallForCandidate(candidate: ResolvedCallAtom)

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/components/PostponedArgumentsAnalyzer.kt

@@ -10,7 +10,7 @@ import org.jetbrains.kotlin.resolve.calls.inference.addSubsystemFromArgument
 import org.jetbrains.kotlin.resolve.calls.inference.components.NewTypeSubstitutor
 import org.jetbrains.kotlin.resolve.calls.inference.model.*
 import org.jetbrains.kotlin.resolve.calls.model.*
-import org.jetbrains.kotlin.types.NonFixedType
+import org.jetbrains.kotlin.types.StubType
 import org.jetbrains.kotlin.types.TypeConstructor
 import org.jetbrains.kotlin.types.UnwrappedType
 import org.jetbrains.kotlin.types.typeUtil.builtIns
@@ -19,8 +19,8 @@ class PostponedArgumentsAnalyzer(
     private val callableReferenceResolver: CallableReferenceResolver
 ) {
     interface Context {
-        fun buildCurrentSubstitutor(additionalBindings: Map<TypeConstructor, NonFixedType>): NewTypeSubstitutor
-        fun bindingStubsForPostponedVariables(): Map<NewTypeVariable, NonFixedType>
+        fun buildCurrentSubstitutor(additionalBindings: Map<TypeConstructor, StubType>): NewTypeSubstitutor
+        fun bindingStubsForPostponedVariables(): Map<NewTypeVariable, StubType>
 
         // type can be proper if it not contains not fixed type variables
         fun canBeProper(type: UnwrappedType): Boolean

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/inference/InferenceUtils.kt

@@ -20,11 +20,10 @@ import org.jetbrains.kotlin.descriptors.CallableDescriptor
 import org.jetbrains.kotlin.resolve.calls.inference.components.NewTypeSubstitutor
 import org.jetbrains.kotlin.resolve.calls.inference.components.NewTypeSubstitutorByConstructorMap
 import org.jetbrains.kotlin.resolve.calls.inference.model.ConstraintStorage
-import org.jetbrains.kotlin.resolve.calls.inference.model.NewTypeVariable
 import org.jetbrains.kotlin.resolve.descriptorUtil.builtIns
 import org.jetbrains.kotlin.types.*
 
-fun ConstraintStorage.buildCurrentSubstitutor(additionalBindings: Map<TypeConstructor, NonFixedType>): NewTypeSubstitutorByConstructorMap =
+fun ConstraintStorage.buildCurrentSubstitutor(additionalBindings: Map<TypeConstructor, StubType>): NewTypeSubstitutorByConstructorMap =
     NewTypeSubstitutorByConstructorMap(fixedTypeVariables.entries.associate { it.key to it.value } + additionalBindings)
 
 fun ConstraintStorage.buildResultingSubstitutor(): NewTypeSubstitutor {

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/inference/model/NewConstraintSystemImpl.kt

@@ -13,7 +13,7 @@ import org.jetbrains.kotlin.resolve.calls.inference.components.KotlinConstraintS
 import org.jetbrains.kotlin.resolve.calls.inference.components.NewTypeSubstitutor
 import org.jetbrains.kotlin.resolve.calls.inference.components.ResultTypeResolver
 import org.jetbrains.kotlin.resolve.calls.model.KotlinCallDiagnostic
-import org.jetbrains.kotlin.types.NonFixedType
+import org.jetbrains.kotlin.types.StubType
 import org.jetbrains.kotlin.types.TypeConstructor
 import org.jetbrains.kotlin.types.UnwrappedType
 import org.jetbrains.kotlin.types.typeUtil.contains
@@ -273,14 +273,14 @@ class NewConstraintSystemImpl(
         return buildCurrentSubstitutor(emptyMap())
     }
 
-    override fun buildCurrentSubstitutor(additionalBindings: Map<TypeConstructor, NonFixedType>): NewTypeSubstitutor {
+    override fun buildCurrentSubstitutor(additionalBindings: Map<TypeConstructor, StubType>): NewTypeSubstitutor {
         checkState(State.BUILDING, State.COMPLETION)
         return storage.buildCurrentSubstitutor(additionalBindings)
     }
 
-    override fun bindingStubsForPostponedVariables(): Map<NewTypeVariable, NonFixedType> {
+    override fun bindingStubsForPostponedVariables(): Map<NewTypeVariable, StubType> {
         checkState(State.BUILDING, State.COMPLETION)
-        return storage.postponedTypeVariables.associate { it to NonFixedType(it.freshTypeConstructor, it.defaultType.isMarkedNullable) }
+        return storage.postponedTypeVariables.associate { it to StubType(it.freshTypeConstructor, it.defaultType.isMarkedNullable) }
     }
 
     override fun currentStorage(): ConstraintStorage {

core/descriptors/src/org/jetbrains/kotlin/types/StubType.kt

@@ -9,7 +9,7 @@ import org.jetbrains.kotlin.descriptors.annotations.Annotations
 import org.jetbrains.kotlin.resolve.scopes.MemberScope
 
 // This type is used as a stub for postponed type variables, which are important for coroutine inference
-class NonFixedType(
+class StubType(
     private val originalTypeVariable: TypeConstructor,
     override val isMarkedNullable: Boolean,
     override val constructor: TypeConstructor =
@@ -32,7 +32,7 @@ class NonFixedType(
         return if (newNullability == isMarkedNullable)
             this
         else
-            NonFixedType(originalTypeVariable, newNullability, constructor, memberScope)
+            StubType(originalTypeVariable, newNullability, constructor, memberScope)
     }
 
     override fun toString(): String {

core/descriptors/src/org/jetbrains/kotlin/types/checker/NewKotlinTypeChecker.kt

@@ -186,7 +186,7 @@ object NewKotlinTypeChecker : KotlinTypeChecker {
             return StrictEqualityTypeChecker.strictEqualTypes(subType.makeNullableAsSpecified(false), superType.makeNullableAsSpecified(false))
         }
 
-        if (subType is NonFixedType || superType is NonFixedType) return true
+        if (subType is StubType || superType is StubType) return true
 
         if (superType is NewCapturedType && superType.lowerType != null) {
             when (getLowerCapturedTypePolicy(subType, superType)) {