Make DynamicCallableDescriptors non static and remove static object DynamicType

compiler/frontend/src/org/jetbrains/kotlin/resolve/TypeResolver.kt

@@ -28,6 +28,7 @@ import org.jetbrains.kotlin.psi.codeFragmentUtil.debugTypeInfo
 import org.jetbrains.kotlin.psi.debugText.getDebugText
 import org.jetbrains.kotlin.resolve.PossiblyBareType.type
 import org.jetbrains.kotlin.resolve.TypeResolver.FlexibleTypeCapabilitiesProvider
+import org.jetbrains.kotlin.resolve.calls.tasks.DynamicCallableDescriptors
 import org.jetbrains.kotlin.resolve.bindingContextUtil.recordScope
 import org.jetbrains.kotlin.resolve.lazy.ForceResolveUtil
 import org.jetbrains.kotlin.resolve.lazy.LazyEntity
@@ -49,7 +50,7 @@ public class TypeResolver(
         private val storageManager: StorageManager,
         private val lazinessToken: TypeLazinessToken,
         private val dynamicTypesSettings: DynamicTypesSettings,
-        private val modifiersChecker: ModifiersChecker
+        private val dynamicCallableDescriptors: DynamicCallableDescriptors
 ) {
 
     public open class FlexibleTypeCapabilitiesProvider {
@@ -243,7 +244,7 @@ public class TypeResolver(
             }
 
             override fun visitDynamicType(type: JetDynamicType) {
-                result = type(DynamicType)
+                result = type(dynamicCallableDescriptors.dynamicType)
                 if (!dynamicTypesSettings.dynamicTypesAllowed) {
                     c.trace.report(UNSUPPORTED.on(type, "Dynamic types are not supported in this context"))
                 }

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tasks/TaskPrioritizer.kt

@@ -53,7 +53,8 @@ import org.jetbrains.kotlin.types.isDynamic
 
 public class TaskPrioritizer(
         private val storageManager: StorageManager,
-        private val smartCastManager: SmartCastManager
+        private val smartCastManager: SmartCastManager,
+        private val dynamicCallableDescriptors: DynamicCallableDescriptors
 ) {
 
     public fun <D : CallableDescriptor, F : D> computePrioritizedTasks(
@@ -234,7 +235,7 @@ public class TaskPrioritizer(
         addExtensionCandidates(explicitReceiver, implicitReceivers, onlyDynamicReceivers, isExplicit)
 
         c.result.addCandidates {
-            val dynamicScope = DynamicCallableDescriptors.createDynamicDescriptorScope(c.context.call, c.scope.ownerDescriptor)
+            val dynamicScope = dynamicCallableDescriptors.createDynamicDescriptorScope(c.context.call, c.scope.ownerDescriptor)
 
             val dynamicDescriptors = c.callableDescriptorCollectors.flatMap {
                 it.getNonExtensionsByName(dynamicScope, c.name, createLookupLocation(c))

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tasks/dynamicCalls.kt

@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.resolve.calls.tasks
 
+import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.annotations.Annotations
 import org.jetbrains.kotlin.descriptors.impl.*
@@ -31,17 +32,18 @@ import org.jetbrains.kotlin.resolve.descriptorUtil.builtIns
 import org.jetbrains.kotlin.resolve.scopes.JetScope
 import org.jetbrains.kotlin.resolve.scopes.JetScopeImpl
 import org.jetbrains.kotlin.resolve.scopes.receivers.TransientReceiver
-import org.jetbrains.kotlin.types.DynamicType
 import org.jetbrains.kotlin.types.JetType
 import org.jetbrains.kotlin.types.Variance
+import org.jetbrains.kotlin.types.createDynamicType
 import org.jetbrains.kotlin.types.expressions.OperatorConventions
 import org.jetbrains.kotlin.types.isDynamic
 import org.jetbrains.kotlin.utils.Printer
-import java.util.ArrayList
+import java.util.*
 
-object DynamicCallableDescriptors {
+class DynamicCallableDescriptors(private val builtIns: KotlinBuiltIns) {
+
+    val dynamicType = createDynamicType(builtIns)
 
-    @JvmStatic
     fun createDynamicDescriptorScope(call: Call, owner: DeclarationDescriptor) = object : JetScopeImpl() {
         override fun getContainingDeclaration() = owner
 
@@ -99,7 +101,7 @@ object DynamicCallableDescriptors {
                 /* isConst = */ false
         )
         propertyDescriptor.setType(
-                DynamicType,
+                dynamicType,
                 createTypeParameters(propertyDescriptor, call),
                 createDynamicDispatchReceiverParameter(propertyDescriptor),
                 null: JetType?
@@ -127,7 +129,7 @@ object DynamicCallableDescriptors {
                 createDynamicDispatchReceiverParameter(functionDescriptor),
                 createTypeParameters(functionDescriptor, call),
                 createValueParameters(functionDescriptor, call),
-                DynamicType,
+                dynamicType,
                 Modality.FINAL,
                 Visibilities.PUBLIC,
                 false,
@@ -137,7 +139,7 @@ object DynamicCallableDescriptors {
     }
 
     private fun createDynamicDispatchReceiverParameter(owner: CallableDescriptor): ReceiverParameterDescriptorImpl {
-        return ReceiverParameterDescriptorImpl(owner, TransientReceiver(DynamicType))
+        return ReceiverParameterDescriptorImpl(owner, TransientReceiver(dynamicType))
     }
 
     private fun createTypeParameters(owner: DeclarationDescriptor, call: Call): List<TypeParameterDescriptor> = call.getTypeArguments().indices.map {
@@ -175,10 +177,10 @@ object DynamicCallableDescriptors {
         fun getFunctionType(funLiteralExpr: JetFunctionLiteralExpression): JetType {
             val funLiteral = funLiteralExpr.getFunctionLiteral()
 
-            val receiverType = funLiteral.getReceiverTypeReference()?.let { DynamicType }
-            val parameterTypes = funLiteral.getValueParameters().map { DynamicType }
+            val receiverType = funLiteral.getReceiverTypeReference()?.let { dynamicType }
+            val parameterTypes = funLiteral.getValueParameters().map { dynamicType }
 
-            return owner.builtIns.getFunctionType(Annotations.EMPTY, receiverType, parameterTypes, DynamicType)
+            return owner.builtIns.getFunctionType(Annotations.EMPTY, receiverType, parameterTypes, dynamicType)
         }
 
         for (arg in call.getValueArguments()) {
@@ -196,12 +198,12 @@ object DynamicCallableDescriptors {
 
                 arg.getSpreadElement() != null -> {
                     hasSpreadOperator = true
-                    outType = owner.builtIns.getArrayType(Variance.OUT_VARIANCE, DynamicType)
-                    varargElementType = DynamicType
+                    outType = owner.builtIns.getArrayType(Variance.OUT_VARIANCE, dynamicType)
+                    varargElementType = dynamicType
                 }
 
                 else -> {
-                    outType = DynamicType
+                    outType = dynamicType
                     varargElementType = null
                 }
             }

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

@@ -17,6 +17,7 @@
 package org.jetbrains.kotlin.types
 
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.types.typeUtil.builtIns
 
 open class DynamicTypesSettings {
     open val dynamicTypesAllowed: Boolean
@@ -30,16 +31,14 @@ class DynamicTypesAllowed: DynamicTypesSettings() {
 
 interface Dynamicity : TypeCapability
 
-// Object is created only for convenience here. Dynamic types may occur in the form of DelegatingFlexibleTypes,
-// which are produced by substitutions
-object DynamicType : DelegatingFlexibleType(
-        KotlinBuiltIns.getInstance().getNothingType(),
-        KotlinBuiltIns.getInstance().getNullableAnyType(),
-        DynamicTypeCapabilities
-)
-
 fun JetType.isDynamic(): Boolean = this.getCapability(javaClass<Dynamicity>()) != null
 
+fun createDynamicType(builtIns: KotlinBuiltIns) = object : DelegatingFlexibleType(
+        builtIns.nothingType,
+        builtIns.nullableAnyType,
+        DynamicTypeCapabilities
+) {}
+
 public object DynamicTypeCapabilities : FlexibleTypeCapabilities {
     override val id: String get() = "kotlin.DynamicType"
 
@@ -66,7 +65,7 @@ public object DynamicTypeCapabilities : FlexibleTypeCapabilities {
 
         override fun makeNullableAsSpecified(nullable: Boolean): JetType {
             // Nullability has no effect on dynamics
-            return DynamicType
+            return createDynamicType(delegateType.builtIns)
         }
 
         override fun computeIsNullable() = false