Move: Nested classes support

#KT-9027 In Progress

idea/src/META-INF/plugin.xml

@@ -330,7 +330,7 @@
         order="before moveJavaFileOrDir"/>
     <refactoring.moveHandler
         id="kotlin.moveTopLevelDeclarations"
-        implementation="org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsHandler"
+        implementation="org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveKotlinDeclarationsHandler"
         order="before kotlin.moveFilesOrDirectories"/>
     <moveFileHandler implementation="org.jetbrains.kotlin.idea.refactoring.move.moveFilesOrDirectories.MoveKotlinFileHandler" />
     <refactoring.moveDirectoryWithClassesHelper
@@ -1059,7 +1059,7 @@
     </intentionAction>
 
     <intentionAction>
-      <className>org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveDeclarationToSeparateFileIntention</className>
+      <className>org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationToSeparateFileIntention</className>
       <category>Kotlin</category>
     </intentionAction>
 

idea/src/org/jetbrains/kotlin/idea/refactoring/inline/KotlinInlineValHandler.kt

@@ -45,7 +45,8 @@ import org.jetbrains.kotlin.idea.core.replaced
 import org.jetbrains.kotlin.idea.refactoring.addTypeArgumentsIfNeeded
 import org.jetbrains.kotlin.idea.refactoring.checkConflictsInteractively
 import org.jetbrains.kotlin.idea.refactoring.getQualifiedTypeArgumentList
-import org.jetbrains.kotlin.idea.refactoring.move.PackageNameInfo
+import org.jetbrains.kotlin.idea.refactoring.move.ContainerChangeInfo
+import org.jetbrains.kotlin.idea.refactoring.move.ContainerInfo
 import org.jetbrains.kotlin.idea.refactoring.move.lazilyProcessInternalReferencesToUpdateOnPackageNameChange
 import org.jetbrains.kotlin.idea.refactoring.move.postProcessMoveUsages
 import org.jetbrains.kotlin.idea.references.mainReference
@@ -167,7 +168,7 @@ class KotlinInlineValHandler : InlineActionHandler() {
             val targetPackages = referenceExpressions.mapNotNullTo(LinkedHashSet()) { (it.containingFile as? KtFile)?.packageFqName }
             for (targetPackage in targetPackages) {
                 if (targetPackage == file.packageFqName) continue
-                val packageNameInfo = PackageNameInfo(file.packageFqName, targetPackage.toUnsafe())
+                val packageNameInfo = ContainerChangeInfo(ContainerInfo.Package(file.packageFqName), ContainerInfo.Package(targetPackage))
                 initializer.lazilyProcessInternalReferencesToUpdateOnPackageNameChange(packageNameInfo) { expr, factory ->
                     val infos = expr.internalUsageInfos
                                 ?: LinkedHashMap<FqName, (KtSimpleNameExpression) -> UsageInfo?>()

idea/src/org/jetbrains/kotlin/idea/refactoring/move/MoveJavaInnerClassKotlinUsagesHandler.kt

@@ -16,47 +16,47 @@
 
 package org.jetbrains.kotlin.idea.refactoring.move
 
+import com.intellij.psi.PsiClass
+import com.intellij.psi.PsiWhiteSpace
+import com.intellij.psi.util.PsiTreeUtil
 import com.intellij.refactoring.move.moveInner.MoveInnerClassUsagesHandler
 import com.intellij.usageView.UsageInfo
-import com.intellij.psi.PsiClass
-import org.jetbrains.kotlin.psi.KtQualifiedExpression
-import org.jetbrains.kotlin.psi.psiUtil.getQualifiedElementSelector
+import org.jetbrains.kotlin.idea.references.mainReference
+import org.jetbrains.kotlin.idea.references.matchesTarget
 import org.jetbrains.kotlin.psi.KtCallExpression
 import org.jetbrains.kotlin.psi.KtPsiFactory
-import java.util.ArrayList
+import org.jetbrains.kotlin.psi.KtQualifiedExpression
 import org.jetbrains.kotlin.psi.KtSimpleNameExpression
-import com.intellij.psi.util.PsiTreeUtil
-import com.intellij.psi.PsiWhiteSpace
-import org.jetbrains.kotlin.idea.references.mainReference
+import org.jetbrains.kotlin.psi.psiUtil.getQualifiedElementSelector
+import java.util.*
 
 class MoveJavaInnerClassKotlinUsagesHandler: MoveInnerClassUsagesHandler {
     override fun correctInnerClassUsage(usage: UsageInfo, outerClass: PsiClass) {
         val innerCall = usage.element?.parent as? KtCallExpression ?: return
 
-        val receiver = (innerCall.parent as? KtQualifiedExpression)?.receiverExpression
-        val outerClassRef = when (receiver) {
+        val receiver = (innerCall.parent as? KtQualifiedExpression)?.receiverExpression ?: return
+        val outerClassRefExpr = when (receiver) {
             is KtCallExpression -> receiver.calleeExpression
             is KtQualifiedExpression -> receiver.getQualifiedElementSelector()
             else -> null
         } as? KtSimpleNameExpression
-        if (outerClassRef?.mainReference?.resolve() != outerClass) return
-
-        val outerCall = outerClassRef!!.parent as? KtCallExpression ?: return
+        val outerClassRef = outerClassRefExpr?.mainReference ?: return
+        if (!outerClassRef.matchesTarget(outerClass)) return
 
         val psiFactory = KtPsiFactory(usage.project)
 
         val argumentList = innerCall.valueArgumentList
         if (argumentList != null) {
             val newArguments = ArrayList<String>()
-            newArguments.add(outerCall.text!!)
+            newArguments.add(receiver.text!!)
             argumentList.arguments.mapTo(newArguments) { it.text!! }
             argumentList.replace(psiFactory.createCallArguments(newArguments.joinToString(prefix = "(", postfix = ")")))
         }
         else {
             innerCall.lambdaArguments.firstOrNull()?.let { lambdaArg ->
                 val anchor = PsiTreeUtil.skipSiblingsBackward(lambdaArg, PsiWhiteSpace::class.java)
-                innerCall.addAfter(psiFactory.createCallArguments("(${outerCall.text})"), anchor)
+                innerCall.addAfter(psiFactory.createCallArguments("(${receiver.text})"), anchor)
             }
         }
     }
-}
+}

idea/src/org/jetbrains/kotlin/idea/refactoring/move/changePackage/KotlinChangePackageRefactoring.kt

@@ -18,14 +18,11 @@ package org.jetbrains.kotlin.idea.refactoring.move.changePackage
 
 import com.intellij.psi.PsiElement
 import com.intellij.psi.PsiFile
-import com.intellij.refactoring.PackageWrapper
 import org.jetbrains.kotlin.idea.codeInsight.shorten.runWithElementsToShortenIsEmptyIgnored
-import org.jetbrains.kotlin.idea.refactoring.move.PackageNameInfo
+import org.jetbrains.kotlin.idea.refactoring.move.ContainerChangeInfo
+import org.jetbrains.kotlin.idea.refactoring.move.ContainerInfo
 import org.jetbrains.kotlin.idea.refactoring.move.getInternalReferencesToUpdateOnPackageNameChange
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.KotlinMoveTarget
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsOptions
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsProcessor
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.Mover
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.*
 import org.jetbrains.kotlin.idea.refactoring.move.postProcessMoveUsages
 import org.jetbrains.kotlin.idea.util.application.executeWriteCommand
 import org.jetbrains.kotlin.name.FqName
@@ -39,26 +36,28 @@ class KotlinChangePackageRefactoring(val file: KtFile) {
         val packageDirective = file.packageDirective ?: return
         val currentFqName = packageDirective.fqName
 
-        val declarationProcessor = MoveKotlinTopLevelDeclarationsProcessor(
+        val declarationProcessor = MoveKotlinDeclarationsProcessor(
                 project,
-                MoveKotlinTopLevelDeclarationsOptions(
+                MoveDeclarationsDescriptor(
                         elementsToMove = file.declarations.filterIsInstance<KtNamedDeclaration>(),
                         moveTarget = object: KotlinMoveTarget {
-                            override val packageWrapper = PackageWrapper(file.manager, newFqName.asString())
+                            override val targetContainerFqName = newFqName
 
-                            override fun getOrCreateTargetPsi(originalPsi: PsiElement) = originalPsi.containingFile
+                            override fun getOrCreateTargetPsi(originalPsi: PsiElement) = originalPsi.containingFile as? KtFile
 
                             override fun getTargetPsiIfExists(originalPsi: PsiElement) = null
 
                             override fun verify(file: PsiFile) = null
                         },
+                        delegate = MoveDeclarationsDelegate.TopLevel,
                         updateInternalReferences = false
                 ),
                 Mover.Idle // we don't need to move any declarations physically
         )
 
         val declarationUsages = declarationProcessor.findUsages().toList()
-        val internalUsages = file.getInternalReferencesToUpdateOnPackageNameChange(PackageNameInfo(currentFqName, newFqName.toUnsafe()))
+        val changeInfo = ContainerChangeInfo(ContainerInfo.Package(currentFqName), ContainerInfo.Package(newFqName))
+        val internalUsages = file.getInternalReferencesToUpdateOnPackageNameChange(changeInfo)
 
         project.executeWriteCommand("Change file's package to '${newFqName.asString()}'") {
             packageDirective.fqName = newFqName

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/KotlinMoveTarget.kt

@@ -14,56 +14,50 @@
  * limitations under the License.
  */
 
-package org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations
+package org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations
 
-import com.intellij.openapi.project.Project
 import com.intellij.psi.PsiElement
 import com.intellij.psi.PsiFile
-import com.intellij.psi.PsiManager
-import com.intellij.refactoring.PackageWrapper
 import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.psi.KtElement
 import org.jetbrains.kotlin.psi.KtFile
 import org.jetbrains.kotlin.utils.getOrPutNullable
-import java.util.HashMap
+import java.util.*
 
 interface KotlinMoveTarget {
-    val packageWrapper: PackageWrapper?
-    fun getOrCreateTargetPsi(originalPsi: PsiElement): PsiFile?
-    fun getTargetPsiIfExists(originalPsi: PsiElement): PsiFile?
+    val targetContainerFqName: FqName?
+    fun getOrCreateTargetPsi(originalPsi: PsiElement): KtElement?
+    fun getTargetPsiIfExists(originalPsi: PsiElement): KtElement?
 
     // Check possible errors and return corresponding message, or null if no errors are detected
     fun verify(file: PsiFile): String?
 }
 
 object EmptyKotlinMoveTarget: KotlinMoveTarget {
-    override val packageWrapper: PackageWrapper? get() = null
+    override val targetContainerFqName = null
     override fun getOrCreateTargetPsi(originalPsi: PsiElement) = null
     override fun getTargetPsiIfExists(originalPsi: PsiElement) = null
     override fun verify(file: PsiFile) = null
 }
 
-class KotlinMoveTargetForExistingFile(val targetFile: KtFile): KotlinMoveTarget {
-    override val packageWrapper: PackageWrapper? = targetFile.packageFqName.asString().let { packageName ->
-        PackageWrapper(PsiManager.getInstance(targetFile.project), packageName)
-    }
+class KotlinMoveTargetForExistingElement(val targetElement: KtElement): KotlinMoveTarget {
+    override val targetContainerFqName = targetElement.getContainingKtFile().packageFqName
 
-    override fun getOrCreateTargetPsi(originalPsi: PsiElement) = targetFile
+    override fun getOrCreateTargetPsi(originalPsi: PsiElement) = targetElement
 
-    override fun getTargetPsiIfExists(originalPsi: PsiElement) = targetFile
+    override fun getTargetPsiIfExists(originalPsi: PsiElement) = targetElement
 
     // No additional verification is needed
     override fun verify(file: PsiFile): String? = null
 }
 
 class KotlinMoveTargetForDeferredFile(
-        project: Project,
-        private val packageFqName: FqName,
-        private val createFile: (KtFile) -> KtFile?): KotlinMoveTarget {
+        override val targetContainerFqName: FqName,
+        private val createFile: (KtFile) -> KtFile?
+): KotlinMoveTarget {
     private val createdFiles = HashMap<KtFile, KtFile?>()
 
-    override val packageWrapper: PackageWrapper = PackageWrapper(PsiManager.getInstance(project), packageFqName.asString())
-
-    override fun getOrCreateTargetPsi(originalPsi: PsiElement): PsiFile? {
+    override fun getOrCreateTargetPsi(originalPsi: PsiElement): KtElement? {
         val originalFile = originalPsi.containingFile as? KtFile ?: return null
         return createdFiles.getOrPutNullable(originalFile) { createFile(originalFile) }
     }

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/MoveDeclarationToSeparateFileIntention.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations
+package org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations
 
 import com.intellij.codeInsight.intention.LowPriorityAction
 import com.intellij.codeInsight.navigation.NavigationUtil
@@ -27,7 +27,7 @@ import com.intellij.refactoring.util.CommonRefactoringUtil
 import org.jetbrains.kotlin.idea.intentions.SelfTargetingRangeIntention
 import org.jetbrains.kotlin.idea.quickfix.moveCaret
 import org.jetbrains.kotlin.idea.refactoring.createKotlinFile
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.ui.MoveKotlinTopLevelDeclarationsDialog
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.ui.MoveKotlinTopLevelDeclarationsDialog
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.psi.KtClass
 import org.jetbrains.kotlin.psi.KtClassOrObject
@@ -86,12 +86,13 @@ class MoveDeclarationToSeparateFileIntention :
             }
             return
         }
-        val moveTarget = KotlinMoveTargetForDeferredFile(project, packageName) {
+        val moveTarget = KotlinMoveTargetForDeferredFile(packageName) {
             createKotlinFile(targetFileName, directory, packageName.asString())
         }
-        val moveOptions = MoveKotlinTopLevelDeclarationsOptions(
+        val moveOptions = MoveDeclarationsDescriptor(
                 elementsToMove = listOf(element),
                 moveTarget = moveTarget,
+                delegate = MoveDeclarationsDelegate.TopLevel,
                 searchInCommentsAndStrings = false,
                 searchInNonCode = false,
                 updateInternalReferences = true,
@@ -102,6 +103,6 @@ class MoveDeclarationToSeparateFileIntention :
                     FileEditorManager.getInstance(project).selectedTextEditor?.moveCaret(newDeclaration.startOffset + originalOffset)
                 }
         )
-        MoveKotlinTopLevelDeclarationsProcessor(project, moveOptions).run()
+        MoveKotlinDeclarationsProcessor(project, moveOptions).run()
     }
 }

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/MoveDeclarationsDelegate.kt

@@ -0,0 +1,180 @@
+/*
+ * Copyright 2010-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations
+
+import com.intellij.openapi.project.Project
+import com.intellij.psi.PsiElement
+import com.intellij.refactoring.move.moveInner.MoveInnerClassUsagesHandler
+import com.intellij.refactoring.util.MoveRenameUsageInfo
+import com.intellij.usageView.UsageInfo
+import com.intellij.util.containers.MultiMap
+import org.jetbrains.kotlin.asJava.toLightClass
+import org.jetbrains.kotlin.asJava.unwrapped
+import org.jetbrains.kotlin.descriptors.ClassDescriptor
+import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptor
+import org.jetbrains.kotlin.idea.refactoring.move.*
+import org.jetbrains.kotlin.idea.util.IdeDescriptorRenderers
+import org.jetbrains.kotlin.lexer.KtTokens
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.psi.psiUtil.containingClassOrObject
+import org.jetbrains.kotlin.psi.psiUtil.getQualifiedExpressionForSelector
+
+sealed class MoveDeclarationsDelegate {
+    abstract fun getOriginalContainerFqName(descriptor: MoveDeclarationsDescriptor, originalFile: KtFile): FqName
+    abstract fun getContainerChangeInfo(originalDeclaration: KtNamedDeclaration, moveTarget: KotlinMoveTarget): ContainerChangeInfo
+    abstract fun findUsages(descriptor: MoveDeclarationsDescriptor): List<UsageInfo>
+    abstract fun collectConflicts(usages: MutableList<UsageInfo>, conflicts: MultiMap<PsiElement, String>)
+    abstract fun preprocessDeclaration(descriptor: MoveDeclarationsDescriptor, originalDeclaration: KtNamedDeclaration)
+    abstract fun preprocessUsages(project: Project, usages: List<UsageInfo>)
+
+    object TopLevel : MoveDeclarationsDelegate() {
+        override fun getOriginalContainerFqName(descriptor: MoveDeclarationsDescriptor, originalFile: KtFile) = originalFile.packageFqName
+
+        override fun getContainerChangeInfo(originalDeclaration: KtNamedDeclaration, moveTarget: KotlinMoveTarget): ContainerChangeInfo {
+            return ContainerChangeInfo(ContainerInfo.Package(originalDeclaration.getContainingKtFile().packageFqName),
+                                       ContainerInfo.Package(moveTarget.targetContainerFqName!!))
+        }
+
+        override fun findUsages(descriptor: MoveDeclarationsDescriptor): List<UsageInfo> = emptyList()
+
+        override fun collectConflicts(usages: MutableList<UsageInfo>, conflicts: MultiMap<PsiElement, String>) {
+
+        }
+
+        override fun preprocessDeclaration(descriptor: MoveDeclarationsDescriptor, originalDeclaration: KtNamedDeclaration) {
+
+        }
+
+        override fun preprocessUsages(project: Project, usages: List<UsageInfo>) {
+
+        }
+    }
+
+    class NestedClass(
+            val newClassName: String? = null,
+            val outerInstanceParameterName: String? = null
+    ) : MoveDeclarationsDelegate() {
+        override fun getOriginalContainerFqName(descriptor: MoveDeclarationsDescriptor, originalFile: KtFile): FqName {
+            return descriptor.elementsToMove.first().containingClassOrObject!!.fqName!!
+        }
+
+        override fun getContainerChangeInfo(originalDeclaration: KtNamedDeclaration, moveTarget: KotlinMoveTarget): ContainerChangeInfo {
+            val originalInfo = ContainerInfo.Class(originalDeclaration.containingClassOrObject!!.fqName!!)
+            val movingToClass = (moveTarget as? KotlinMoveTargetForExistingElement)?.targetElement is KtClassOrObject
+            val newInfo = if (movingToClass) {
+                ContainerInfo.Class(moveTarget.targetContainerFqName!!)
+            } else {
+                ContainerInfo.Package(moveTarget.targetContainerFqName!!)
+            }
+            return ContainerChangeInfo(originalInfo, newInfo)
+        }
+
+        override fun findUsages(descriptor: MoveDeclarationsDescriptor): List<UsageInfo> {
+            val classToMove = descriptor.elementsToMove.singleOrNull() as? KtClass ?: return emptyList()
+            return collectOuterInstanceReferences(classToMove)
+        }
+
+        override fun collectConflicts(usages: MutableList<UsageInfo>, conflicts: MultiMap<PsiElement, String>) {
+            val usageIterator = usages.iterator()
+            while (usageIterator.hasNext()) {
+                val usage = usageIterator.next();
+                val element = usage.element ?: continue
+
+                if (usage is ImplicitCompanionAsDispatchReceiverUsageInfo) {
+                    conflicts.putValue(element, "Implicit companion object will be inaccessible: ${element.text}")
+                    usageIterator.remove()
+                    continue
+                }
+
+                if (usage !is OuterInstanceReferenceUsageInfo) continue
+
+                if (usage.isIndirectOuter) {
+                    conflicts.putValue(element, "Indirect outer instances won't be extracted: ${element.text}")
+                    usageIterator.remove()
+                }
+
+                if (usage !is OuterInstanceReferenceUsageInfo.ImplicitReceiver) continue
+
+                val fullCall = usage.callElement?.let { it.getQualifiedExpressionForSelector() ?: it } ?: continue
+                when {
+                    fullCall is KtQualifiedExpression -> {
+                        conflicts.putValue(
+                                fullCall,
+                                "Qualified call won't be processed: ${fullCall.text}"
+                        )
+                        usageIterator.remove()
+                    }
+
+                    usage.isDoubleReceiver -> {
+                        conflicts.putValue(
+                                fullCall,
+                                "Call with two implicit receivers won't be processed: ${fullCall.text}"
+                        )
+                        usageIterator.remove()
+                    }
+                }
+            }
+        }
+
+        override fun preprocessDeclaration(descriptor: MoveDeclarationsDescriptor, originalDeclaration: KtNamedDeclaration) {
+            with(originalDeclaration) {
+                newClassName?.let { setName(it) }
+
+                if (this is KtClass) {
+                    if ((descriptor.moveTarget as? KotlinMoveTargetForExistingElement)?.targetElement !is KtClassOrObject) {
+                        if (hasModifier(KtTokens.INNER_KEYWORD)) removeModifier(KtTokens.INNER_KEYWORD)
+                        if (hasModifier(KtTokens.PROTECTED_KEYWORD)) removeModifier(KtTokens.PROTECTED_KEYWORD)
+                    }
+
+                    if (outerInstanceParameterName != null) {
+                        val type = (containingClassOrObject!!.resolveToDescriptor() as ClassDescriptor).defaultType
+                        val parameter = KtPsiFactory(project)
+                                .createParameter("private val $outerInstanceParameterName: ${IdeDescriptorRenderers.SOURCE_CODE.renderType(type)}")
+                        createPrimaryConstructorParameterListIfAbsent().addParameter(parameter)
+                    }
+                }
+            }
+        }
+
+        override fun preprocessUsages(project: Project, usages: List<UsageInfo>) {
+            if (outerInstanceParameterName == null) return
+            val psiFactory = KtPsiFactory(project)
+            val newOuterInstanceRef = psiFactory.createExpression(outerInstanceParameterName)
+
+            for (usage in usages) {
+                val referencedNestedClass = (usage as? MoveRenameUsageInfo)?.referencedElement?.unwrapped as? KtClassOrObject
+                val outerClass = referencedNestedClass?.containingClassOrObject
+                val lightOuterClass = outerClass?.toLightClass()
+                if (lightOuterClass != null) {
+                    MoveInnerClassUsagesHandler.EP_NAME
+                            .forLanguage(usage.element!!.language)
+                            ?.correctInnerClassUsage(usage, lightOuterClass)
+                }
+
+                when (usage) {
+                    is OuterInstanceReferenceUsageInfo.ExplicitThis -> {
+                        usage.expression?.replace(newOuterInstanceRef)
+                    }
+                    is OuterInstanceReferenceUsageInfo.ImplicitReceiver -> {
+                        usage.callElement?.let { it.replace(psiFactory.createExpressionByPattern("$0.$1", outerInstanceParameterName, it)) }
+                    }
+                }
+            }
+        }
+    }
+}

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/MoveKotlinDeclarationsHandler.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations
+package org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations
 
 import com.intellij.openapi.actionSystem.DataContext
 import com.intellij.openapi.actionSystem.LangDataKeys
@@ -32,11 +32,11 @@ import com.intellij.refactoring.move.moveClassesOrPackages.MoveClassesOrPackages
 import com.intellij.refactoring.util.CommonRefactoringUtil
 import org.jetbrains.kotlin.idea.core.getPackage
 import org.jetbrains.kotlin.idea.refactoring.canRefactor
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.ui.MoveKotlinTopLevelDeclarationsDialog
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.ui.MoveKotlinTopLevelDeclarationsDialog
 import org.jetbrains.kotlin.psi.*
 import java.util.*
 
-class MoveKotlinTopLevelDeclarationsHandler : MoveHandlerDelegate() {
+class MoveKotlinDeclarationsHandler : MoveHandlerDelegate() {
     private fun getSourceDirectories(elements: Array<out PsiElement>) = elements.mapTo(LinkedHashSet()) { it.containingFile?.parent }
 
     private fun doMoveWithCheck(

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/MoveKotlinDeclarationsProcessor.kt

@@ -14,8 +14,9 @@
  * limitations under the License.
  */
 
-package org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations
+package org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations
 
+import com.intellij.ide.util.EditorHelper
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.util.Ref
 import com.intellij.openapi.util.text.StringUtil
@@ -25,16 +26,17 @@ import com.intellij.refactoring.BaseRefactoringProcessor
 import com.intellij.refactoring.move.MoveCallback
 import com.intellij.refactoring.move.MoveMultipleElementsViewDescriptor
 import com.intellij.refactoring.move.moveClassesOrPackages.MoveClassHandler
-import com.intellij.refactoring.move.moveClassesOrPackages.MoveClassesOrPackagesUtil
 import com.intellij.refactoring.rename.RenameUtil
 import com.intellij.refactoring.util.MoveRenameUsageInfo
 import com.intellij.refactoring.util.NonCodeUsageInfo
 import com.intellij.refactoring.util.RefactoringUIUtil
 import com.intellij.refactoring.util.TextOccurrencesUtil
 import com.intellij.usageView.UsageInfo
+import com.intellij.usageView.UsageViewBundle
 import com.intellij.usageView.UsageViewDescriptor
 import com.intellij.usageView.UsageViewUtil
 import com.intellij.util.IncorrectOperationException
+import com.intellij.util.SmartList
 import com.intellij.util.VisibilityUtil
 import com.intellij.util.containers.MultiMap
 import gnu.trove.THashMap
@@ -54,9 +56,8 @@ import org.jetbrains.kotlin.idea.refactoring.move.*
 import org.jetbrains.kotlin.idea.refactoring.move.moveFilesOrDirectories.MoveKotlinClassHandler
 import org.jetbrains.kotlin.idea.references.KtSimpleNameReference.ShorteningMode
 import org.jetbrains.kotlin.idea.search.projectScope
-import org.jetbrains.kotlin.psi.KtFile
-import org.jetbrains.kotlin.psi.KtModifierListOwner
-import org.jetbrains.kotlin.psi.KtNamedDeclaration
+import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.psi.psiUtil.getElementTextWithContext
 import org.jetbrains.kotlin.psi.psiUtil.isAncestor
 import org.jetbrains.kotlin.psi.psiUtil.isInsideOf
 import org.jetbrains.kotlin.psi.psiUtil.isPrivate
@@ -64,58 +65,64 @@ import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.utils.keysToMap
 import java.util.*
 
-interface Mover: (KtNamedDeclaration, KtFile) -> KtNamedDeclaration {
-    object Default: Mover {
-        override fun invoke(originalElement: KtNamedDeclaration, targetFile: KtFile): KtNamedDeclaration {
-            val newElement = targetFile.add(originalElement) as KtNamedDeclaration
-            originalElement.deleteSingle()
-            return newElement
+interface Mover: (KtNamedDeclaration, KtElement) -> KtNamedDeclaration {
+    object Default : Mover {
+        override fun invoke(originalElement: KtNamedDeclaration, targetContainer: KtElement): KtNamedDeclaration {
+            return when (targetContainer) {
+                is KtFile -> targetContainer.add(originalElement) as KtNamedDeclaration
+                is KtClassOrObject -> targetContainer.addDeclaration(originalElement) as KtNamedDeclaration
+                else -> error("Unexpected element: ${targetContainer.getElementTextWithContext()}")
+            }.apply { originalElement.deleteSingle() }
         }
     }
 
-    object Idle: Mover {
-        override fun invoke(originalElement: KtNamedDeclaration, targetFile: KtFile) = originalElement
+    object Idle : Mover {
+        override fun invoke(originalElement: KtNamedDeclaration, targetContainer: KtElement) = originalElement
     }
 }
 
-class MoveKotlinTopLevelDeclarationsOptions(
+class MoveDeclarationsDescriptor(
         val elementsToMove: Collection<KtNamedDeclaration>,
         val moveTarget: KotlinMoveTarget,
+        val delegate: MoveDeclarationsDelegate,
         val searchInCommentsAndStrings: Boolean = true,
         val searchInNonCode: Boolean = true,
         val updateInternalReferences: Boolean = true,
         val deleteSourceFiles: Boolean = false,
-        val moveCallback: MoveCallback? = null
+        val moveCallback: MoveCallback? = null,
+        val openInEditor: Boolean = false
 )
 
-class MoveKotlinTopLevelDeclarationsProcessor(
+class MoveKotlinDeclarationsProcessor(
         val project: Project,
-        val options: MoveKotlinTopLevelDeclarationsOptions,
+        val descriptor: MoveDeclarationsDescriptor,
         val mover: Mover = Mover.Default) : BaseRefactoringProcessor(project) {
     companion object {
         private val REFACTORING_NAME: String = KotlinRefactoringBundle.message("refactoring.move.top.level.declarations")
     }
 
     private var nonCodeUsages: Array<NonCodeUsageInfo>? = null
-    private val elementsToMove = options.elementsToMove.filter { e -> e.containingFile != options.moveTarget.getTargetPsiIfExists(e) }
+    private val elementsToMove = descriptor.elementsToMove.filter { e -> e.parent != descriptor.moveTarget.getTargetPsiIfExists(e) }
     private val kotlinToLightElementsBySourceFile = elementsToMove
             .groupBy { it.getContainingKtFile() }
             .mapValues { it.value.keysToMap { it.toLightElements() } }
     private val conflicts = MultiMap<PsiElement, String>()
 
     override fun createUsageViewDescriptor(usages: Array<out UsageInfo>): UsageViewDescriptor {
-        return MoveMultipleElementsViewDescriptor(
-                elementsToMove.toTypedArray(),
-                MoveClassesOrPackagesUtil.getPackageName(options.moveTarget.packageWrapper)
-        )
+        val targetContainerFqName = descriptor.moveTarget.targetContainerFqName?.let {
+            if (it.isRoot) UsageViewBundle.message("default.package.presentable.name") else it.asString()
+        }
+        return MoveMultipleElementsViewDescriptor(elementsToMove.toTypedArray(), targetContainerFqName)
     }
 
+    private val usagesToProcessBeforeMove = SmartList<UsageInfo>()
+
     public override fun findUsages(): Array<UsageInfo> {
-        val newPackageName = options.moveTarget.packageWrapper?.qualifiedName ?: ""
+        val newContainerName = descriptor.moveTarget.targetContainerFqName?.asString() ?: ""
 
         fun collectUsages(kotlinToLightElements: Map<KtNamedDeclaration, List<PsiNamedElement>>, result: MutableList<UsageInfo>) {
             kotlinToLightElements.values.flatMap { it }.flatMapTo(result) { lightElement ->
-                val newFqName = StringUtil.getQualifiedName(newPackageName, lightElement.name)
+                val newFqName = StringUtil.getQualifiedName(newContainerName, lightElement.name)
 
                 val foundReferences = HashSet<PsiReference>()
                 val projectScope = lightElement.project.projectScope()
@@ -133,8 +140,8 @@ class MoveKotlinTopLevelDeclarationsProcessor(
                     TextOccurrencesUtil.findNonCodeUsages(
                             lightElement,
                             name,
-                            options.searchInCommentsAndStrings,
-                            options.searchInNonCode,
+                            descriptor.searchInCommentsAndStrings,
+                            descriptor.searchInNonCode,
                             newFqName,
                             results
                     )
@@ -169,8 +176,9 @@ class MoveKotlinTopLevelDeclarationsProcessor(
                 val container = element.getUsageContext()
                 if (!declarationToContainers.getOrPut(declaration) { HashSet<PsiElement>() }.add(container)) continue
 
+                // todo: ok for now, will be replaced by proper visibility analysis
                 val currentPackage = element.containingFile?.containingDirectory?.getPackage()
-                if (currentPackage?.qualifiedName == newPackageName) continue
+                if (currentPackage?.qualifiedName == newContainerName) continue
 
                 conflicts.putValue(
                         declaration,
@@ -184,7 +192,7 @@ class MoveKotlinTopLevelDeclarationsProcessor(
         }
 
         fun collectConflictsInDeclarations() {
-            if (newPackageName == UNKNOWN_PACKAGE_FQ_NAME.asString()) return
+            if (newContainerName == UNKNOWN_PACKAGE_FQ_NAME.asString()) return
 
             val declarationToReferenceTargets = HashMap<KtNamedDeclaration, MutableSet<PsiElement>>()
             for (declaration in elementsToMove) {
@@ -207,8 +215,9 @@ class MoveKotlinTopLevelDeclarationsProcessor(
 
                     if (!declarationToReferenceTargets.getOrPut(declaration) { HashSet<PsiElement>() }.add(refTarget)) continue
 
+                    // todo: ok for now, will be replaced by proper visibility analysis
                     val currentPackage = declaration.containingFile?.containingDirectory?.getPackage()
-                    if (currentPackage?.qualifiedName == newPackageName) continue
+                    if (currentPackage?.qualifiedName == newContainerName) continue
 
                     conflicts.putValue(
                             declaration,
@@ -224,14 +233,29 @@ class MoveKotlinTopLevelDeclarationsProcessor(
 
         val usages = ArrayList<UsageInfo>()
         for ((sourceFile, kotlinToLightElements) in kotlinToLightElementsBySourceFile) {
-            // No need to find and process usages if package is not changed
-            if (sourceFile.packageFqName.asString() == newPackageName) return UsageInfo.EMPTY_ARRAY
+            kotlinToLightElements.keys.forEach {
+                if (descriptor.updateInternalReferences) {
+                    val packageNameInfo = descriptor.delegate.getContainerChangeInfo(it, descriptor.moveTarget)
+                    val (usagesToProcessLater, usagesToProcessEarly) = it
+                            .getInternalReferencesToUpdateOnPackageNameChange(packageNameInfo)
+                            .partition { it is MoveRenameUsageInfoForExtension }
+                    usages.addAll(usagesToProcessLater)
+                    usagesToProcessBeforeMove.addAll(usagesToProcessEarly)
+                }
+            }
 
+            // No need to find and process usages if package is not changed
+            val originalContainerName = descriptor.delegate.getOriginalContainerFqName(descriptor, sourceFile).asString()
+            if (originalContainerName == newContainerName) return UsageInfo.EMPTY_ARRAY
+
+            usages += descriptor.delegate.findUsages(descriptor)
             collectUsages(kotlinToLightElements, usages)
             collectConflictsInUsages(usages)
             collectConflictsInDeclarations()
+            descriptor.delegate.collectConflicts(usages, conflicts)
         }
 
+        descriptor.delegate.collectConflicts(usagesToProcessBeforeMove, conflicts)
 
         return UsageViewUtil.removeDuplicatedUsages(usages.toTypedArray())
     }
@@ -241,27 +265,15 @@ class MoveKotlinTopLevelDeclarationsProcessor(
     }
 
     override fun performRefactoring(usages: Array<out UsageInfo>) {
-        fun moveDeclaration(
-                declaration: KtNamedDeclaration,
-                moveTarget: KotlinMoveTarget,
-                usagesToProcessAfterMove: MutableList<UsageInfo>
-        ): KtNamedDeclaration? {
+        fun moveDeclaration(declaration: KtNamedDeclaration, moveTarget: KotlinMoveTarget): KtNamedDeclaration? {
             val file = declaration.containingFile as? KtFile
             assert(file != null) { "${declaration.javaClass}: ${declaration.text}" }
 
-            val targetFile = moveTarget.getOrCreateTargetPsi(declaration) as? KtFile
-                             ?: throw AssertionError("Couldn't create Kotlin file for: ${declaration.javaClass}: ${declaration.text}")
+            val targetContainer = moveTarget.getOrCreateTargetPsi(declaration)
+                                  ?: throw AssertionError("Couldn't create Kotlin file for: ${declaration.javaClass}: ${declaration.text}")
 
-            if (options.updateInternalReferences) {
-                val packageNameInfo = PackageNameInfo(file!!.packageFqName, targetFile.packageFqName.toUnsafe())
-                val (usagesToProcessLater, usagesToProcessNow) = declaration
-                        .getInternalReferencesToUpdateOnPackageNameChange(packageNameInfo)
-                        .partition { it is MoveRenameUsageInfoForExtension }
-                postProcessMoveUsages(usagesToProcessNow, shorteningMode = ShorteningMode.NO_SHORTENING)
-                usagesToProcessAfterMove.addAll(usagesToProcessLater)
-            }
-
-            val newElement = mover(declaration, targetFile)
+            descriptor.delegate.preprocessDeclaration(descriptor, declaration)
+            val newElement = mover(declaration, targetContainer)
 
             newElement.addToShorteningWaitSet()
 
@@ -271,6 +283,10 @@ class MoveKotlinTopLevelDeclarationsProcessor(
         try {
             val usageList = usages.toArrayList()
 
+            descriptor.delegate.preprocessUsages(project, usageList)
+
+            postProcessMoveUsages(usagesToProcessBeforeMove, shorteningMode = ShorteningMode.NO_SHORTENING)
+
             val oldToNewElementsMapping = THashMap<PsiElement, PsiElement>(
                     object: TObjectHashingStrategy<PsiElement> {
                         override fun equals(e1: PsiElement?, e2: PsiElement?): Boolean {
@@ -293,7 +309,7 @@ class MoveKotlinTopLevelDeclarationsProcessor(
             )
             for ((sourceFile, kotlinToLightElements) in kotlinToLightElementsBySourceFile) {
                 for ((oldDeclaration, oldLightElements) in kotlinToLightElements) {
-                    val newDeclaration = moveDeclaration(oldDeclaration, options.moveTarget, usageList)
+                    val newDeclaration = moveDeclaration(oldDeclaration, descriptor.moveTarget)
                     if (newDeclaration == null) {
                         for (oldElement in oldLightElements) {
                             oldToNewElementsMapping[oldElement] = oldElement
@@ -307,9 +323,13 @@ class MoveKotlinTopLevelDeclarationsProcessor(
                     for ((oldElement, newElement) in oldLightElements.asSequence().zip(newDeclaration.toLightElements().asSequence())) {
                         oldToNewElementsMapping[oldElement] = newElement
                     }
+
+                    if (descriptor.openInEditor) {
+                        EditorHelper.openInEditor(newDeclaration)
+                    }
                 }
 
-                if (options.deleteSourceFiles) {
+                if (descriptor.deleteSourceFiles) {
                     sourceFile.delete()
                 }
             }
@@ -324,7 +344,7 @@ class MoveKotlinTopLevelDeclarationsProcessor(
 
     override fun performPsiSpoilingRefactoring() {
         nonCodeUsages?.let { nonCodeUsages -> RenameUtil.renameNonCodeUsages(myProject, nonCodeUsages) }
-        options.moveCallback?.refactoringCompleted()
+        descriptor.moveCallback?.refactoringCompleted()
     }
 
     fun execute(usages: List<UsageInfo>) {

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/KotlinAwareMoveFilesOrDirectoriesDialog.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.ui
+package org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.ui
 
 import com.intellij.ide.util.DirectoryUtil
 import com.intellij.ide.util.PropertiesComponent

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinTopLevelDeclarationsDialog.form

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.ui.MoveKotlinTopLevelDeclarationsDialog">
+<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.ui.MoveKotlinTopLevelDeclarationsDialog">
   <grid id="1a398" binding="mainPanel" layout-manager="BorderLayout" hgap="0" vgap="0">
     <constraints>
       <xy x="10" y="10" width="472" height="414"/>

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinTopLevelDeclarationsDialog.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.ui;
+package org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.ui;
 
 import com.intellij.openapi.editor.Document;
 import com.intellij.openapi.editor.event.DocumentAdapter;
@@ -69,7 +69,7 @@ import org.jetbrains.kotlin.idea.refactoring.memberInfo.KotlinMemberInfo;
 import org.jetbrains.kotlin.idea.refactoring.memberInfo.KotlinMemberSelectionPanel;
 import org.jetbrains.kotlin.idea.refactoring.memberInfo.KotlinMemberSelectionTable;
 import org.jetbrains.kotlin.idea.refactoring.move.MoveUtilsKt;
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.*;
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.*;
 import org.jetbrains.kotlin.idea.util.application.ApplicationUtilsKt;
 import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.psi.KtFile;
@@ -533,7 +533,6 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
             }
 
             return new KotlinMoveTargetForDeferredFile(
-                    myProject,
                     new FqName(getTargetPackage()),
                     new Function1<KtFile, KtFile>() {
                         @Override
@@ -556,7 +555,7 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
                 return null;
             }
 
-            return new KotlinMoveTargetForExistingFile(jetFile);
+            return new KotlinMoveTargetForExistingElement(jetFile);
         }
 
         File targetDir = targetFile.getParentFile();
@@ -570,7 +569,6 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
         }
 
         return new KotlinMoveTargetForDeferredFile(
-                myProject,
                 new FqName(psiPackage.getQualifiedName()),
                 new Function1<KtFile, KtFile>() {
                     @Override
@@ -757,10 +755,18 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
                 deleteSourceFile = ret == Messages.YES;
             }
 
-            MoveKotlinTopLevelDeclarationsOptions options = new MoveKotlinTopLevelDeclarationsOptions(
-                    elementsToMove, target, isSearchInComments(), isSearchInNonJavaFiles(), true, deleteSourceFile, moveCallback
+            MoveDeclarationsDescriptor options = new MoveDeclarationsDescriptor(
+                    elementsToMove,
+                    target,
+                    MoveDeclarationsDelegate.TopLevel.INSTANCE,
+                    isSearchInComments(),
+                    isSearchInNonJavaFiles(),
+                    true,
+                    deleteSourceFile,
+                    moveCallback,
+                    false
             );
-            invokeRefactoring(new MoveKotlinTopLevelDeclarationsProcessor(myProject, options, Mover.Default.INSTANCE));
+            invokeRefactoring(new MoveKotlinDeclarationsProcessor(myProject, options, Mover.Default.INSTANCE));
         }
         catch (IncorrectOperationException e) {
             CommonRefactoringUtil.showErrorMessage(RefactoringBundle.message("error.title"), e.getMessage(), null, myProject);

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveFilesOrDirectories/KotlinMoveDirectoryWithClassesHelper.kt

@@ -27,7 +27,7 @@ import com.intellij.usageView.UsageInfo
 import com.intellij.util.Function
 import org.jetbrains.kotlin.idea.core.getPackage
 import org.jetbrains.kotlin.idea.refactoring.invokeOnceOnCommandFinish
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsProcessor
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveKotlinDeclarationsProcessor
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.psi.KtFile
 import java.util.ArrayList
@@ -37,13 +37,13 @@ class KotlinMoveDirectoryWithClassesHelper : MoveDirectoryWithClassesHelper() {
     private class FileUsagesWrapper(
             val psiFile: PsiFile,
             val usages: List<UsageInfo>,
-            val moveDeclarationsProcessor: MoveKotlinTopLevelDeclarationsProcessor?
+            val moveDeclarationsProcessor: MoveKotlinDeclarationsProcessor?
     ) : UsageInfo(psiFile)
 
     private class MoveContext(
             val newParent: PsiDirectory,
             val internalUsages: MoveKotlinFileHandler.InternalUsagesWrapper,
-            val moveDeclarationsProcessor: MoveKotlinTopLevelDeclarationsProcessor?
+            val moveDeclarationsProcessor: MoveKotlinDeclarationsProcessor?
     )
 
     private val fileHandler = MoveKotlinFileHandler()

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveFilesOrDirectories/MoveKotlinFileHandler.kt

@@ -28,7 +28,7 @@ import org.jetbrains.kotlin.idea.core.getPackage
 import org.jetbrains.kotlin.idea.core.packageMatchesDirectory
 import org.jetbrains.kotlin.idea.refactoring.hasIdentifiersOnly
 import org.jetbrains.kotlin.idea.refactoring.move.*
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.*
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.*
 import org.jetbrains.kotlin.name.FqNameUnsafe
 import org.jetbrains.kotlin.psi.KtFile
 import org.jetbrains.kotlin.psi.KtNamedDeclaration
@@ -42,48 +42,50 @@ class MoveKotlinFileHandler : MoveFileHandler() {
     // so that it can be kept in the transition map
     private class MoveContext(
             psiManager: PsiManager,
-            val declarationMoveProcessor: MoveKotlinTopLevelDeclarationsProcessor
+            val declarationMoveProcessor: MoveKotlinDeclarationsProcessor
     ): LightElement(psiManager, KotlinLanguage.INSTANCE) {
         override fun toString() = ""
     }
 
-    private fun KtFile.getPackageNameInfo(newParent: PsiDirectory?, clearUserData: Boolean): PackageNameInfo? {
+    private fun KtFile.getPackageNameInfo(newParent: PsiDirectory?, clearUserData: Boolean): ContainerChangeInfo? {
         val shouldUpdatePackageDirective = updatePackageDirective ?: packageMatchesDirectory()
         updatePackageDirective = if (clearUserData) null else shouldUpdatePackageDirective
 
         if (!shouldUpdatePackageDirective) return null
 
         val oldPackageName = packageFqName
-        val newPackage = newParent?.getPackage() ?: return PackageNameInfo(oldPackageName, UNKNOWN_PACKAGE_FQ_NAME)
+        val newPackage = newParent?.getPackage() ?: return ContainerChangeInfo(ContainerInfo.Package(oldPackageName),
+                                                                               ContainerInfo.UnknownPackage)
 
         val newPackageName = FqNameUnsafe(newPackage.qualifiedName)
         if (oldPackageName.asString() == newPackageName.asString()) return null
-        if (newPackageName != UNKNOWN_PACKAGE_FQ_NAME && !newPackageName.hasIdentifiersOnly()) return null
+        if (!newPackageName.hasIdentifiersOnly()) return null
 
-        return PackageNameInfo(oldPackageName, newPackageName)
+        return ContainerChangeInfo(ContainerInfo.Package(oldPackageName), ContainerInfo.Package(newPackageName.toSafe()))
     }
 
-    fun initMoveProcessor(psiFile: PsiFile, newParent: PsiDirectory?): MoveKotlinTopLevelDeclarationsProcessor? {
+    fun initMoveProcessor(psiFile: PsiFile, newParent: PsiDirectory?): MoveKotlinDeclarationsProcessor? {
         if (psiFile !is KtFile) return null
         val packageNameInfo = psiFile.getPackageNameInfo(newParent, false) ?: return null
 
         val project = psiFile.project
 
-        val newPackageName = packageNameInfo.newPackageName
-        val moveTarget = when (newPackageName) {
-            UNKNOWN_PACKAGE_FQ_NAME -> EmptyKotlinMoveTarget
+        val newPackage = packageNameInfo.newContainer
+        val moveTarget = when (newPackage) {
+            ContainerInfo.UnknownPackage -> EmptyKotlinMoveTarget
 
-            else -> KotlinMoveTargetForDeferredFile(project, newPackageName.toSafe()) {
+            else -> KotlinMoveTargetForDeferredFile(newPackage.fqName!!) {
                 MoveFilesOrDirectoriesUtil.doMoveFile(psiFile, newParent)
                 newParent?.findFile(psiFile.name) as? KtFile
             }
         }
 
-        val declarationMoveProcessor = MoveKotlinTopLevelDeclarationsProcessor(
+        val declarationMoveProcessor = MoveKotlinDeclarationsProcessor(
                 project,
-                MoveKotlinTopLevelDeclarationsOptions(
+                MoveDeclarationsDescriptor(
                         elementsToMove = psiFile.declarations.filterIsInstance<KtNamedDeclaration>(),
                         moveTarget = moveTarget,
+                        delegate = MoveDeclarationsDelegate.TopLevel,
                         updateInternalReferences = false
                 ),
                 Mover.Idle
@@ -126,9 +128,7 @@ class MoveKotlinFileHandler : MoveFileHandler() {
         if (file !is KtFile) return
         val newDirectory = file.parent ?: return
         val packageNameInfo = file.getPackageNameInfo(newDirectory, true) ?: return
-        val newPackageName = packageNameInfo.newPackageName
-        assert(newPackageName.isSafe) { newPackageName }
-        file.packageDirective?.fqName = newPackageName.toSafe()
+        file.packageDirective?.fqName = packageNameInfo.newContainer.fqName!!
     }
 
     override fun retargetUsages(usageInfos: List<UsageInfo>?, oldToNewMap: Map<PsiElement, PsiElement>) {
@@ -136,7 +136,7 @@ class MoveKotlinFileHandler : MoveFileHandler() {
         retargetUsages(usageInfos, moveContext.declarationMoveProcessor)
     }
 
-    fun retargetUsages(usageInfos: List<UsageInfo>?, moveDeclarationsProcessor: MoveKotlinTopLevelDeclarationsProcessor) {
+    fun retargetUsages(usageInfos: List<UsageInfo>?, moveDeclarationsProcessor: MoveKotlinDeclarationsProcessor) {
         postProcessMoveUsages(usageInfos?.firstIsInstanceOrNull<InternalUsagesWrapper>()?.usages ?: emptyList())
         moveDeclarationsProcessor.project.runWithElementsToShortenIsEmptyIgnored {
             usageInfos?.let { moveDeclarationsProcessor.execute(it) }

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveUtils.kt

@@ -22,6 +22,7 @@ import com.intellij.openapi.ui.DialogWrapper
 import com.intellij.openapi.util.Comparing
 import com.intellij.openapi.util.Key
 import com.intellij.psi.*
+import com.intellij.psi.util.PsiTreeUtil
 import com.intellij.refactoring.RefactoringBundle
 import com.intellij.refactoring.RefactoringSettings
 import com.intellij.refactoring.copy.CopyFilesOrDirectoriesHandler
@@ -36,17 +37,20 @@ import com.intellij.refactoring.util.MoveRenameUsageInfo
 import com.intellij.refactoring.util.NonCodeUsageInfo
 import com.intellij.usageView.UsageInfo
 import com.intellij.util.IncorrectOperationException
+import com.intellij.util.SmartList
 import org.jetbrains.kotlin.asJava.namedUnwrappedElement
 import org.jetbrains.kotlin.asJava.unwrapped
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.idea.KotlinFileType
+import org.jetbrains.kotlin.idea.caches.resolve.analyzeFully
 import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptor
+import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptorIfAny
 import org.jetbrains.kotlin.idea.codeInsight.DescriptorToSourceUtilsIde
 import org.jetbrains.kotlin.idea.codeInsight.KotlinFileReferencesResolver
 import org.jetbrains.kotlin.idea.imports.importableFqName
 import org.jetbrains.kotlin.idea.refactoring.fqName.isImported
 import org.jetbrains.kotlin.idea.refactoring.isInJavaSourceRoot
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.ui.KotlinAwareMoveFilesOrDirectoriesDialog
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.ui.KotlinAwareMoveFilesOrDirectoriesDialog
 import org.jetbrains.kotlin.idea.references.KtReference
 import org.jetbrains.kotlin.idea.references.KtSimpleNameReference
 import org.jetbrains.kotlin.idea.references.KtSimpleNameReference.ShorteningMode
@@ -60,22 +64,48 @@ import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.*
 import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.resolve.DescriptorUtils
+import org.jetbrains.kotlin.resolve.calls.callUtil.getResolvedCall
 import org.jetbrains.kotlin.resolve.descriptorUtil.getImportableDescriptor
+import org.jetbrains.kotlin.resolve.descriptorUtil.parents
+import org.jetbrains.kotlin.resolve.scopes.receivers.ImplicitClassReceiver
+import org.jetbrains.kotlin.resolve.scopes.receivers.ImplicitReceiver
 import org.jetbrains.kotlin.utils.addIfNotNull
 import java.util.*
 
 val UNKNOWN_PACKAGE_FQ_NAME = FqNameUnsafe("org.jetbrains.kotlin.idea.refactoring.move.<unknown-package>")
 
-class PackageNameInfo(val oldPackageName: FqName, val newPackageName: FqNameUnsafe)
+sealed class ContainerInfo() {
+    abstract val fqName: FqName?
+    abstract fun matches(descriptor: DeclarationDescriptor): Boolean
 
-fun KtElement.getInternalReferencesToUpdateOnPackageNameChange(packageNameInfo: PackageNameInfo): List<UsageInfo> {
+    object UnknownPackage : ContainerInfo() {
+        override val fqName = null
+        override fun matches(descriptor: DeclarationDescriptor) = descriptor is PackageViewDescriptor
+    }
+
+    class Package(override val fqName: FqName): ContainerInfo() {
+        override fun matches(descriptor: DeclarationDescriptor): Boolean {
+            return descriptor is PackageFragmentDescriptor && descriptor.fqName == fqName
+        }
+    }
+
+    class Class(override val fqName: FqName) : ContainerInfo() {
+        override fun matches(descriptor: DeclarationDescriptor): Boolean {
+            return descriptor is ClassDescriptor && descriptor.importableFqName == fqName
+        }
+    }
+}
+
+data class ContainerChangeInfo(val oldContainer: ContainerInfo, val newContainer: ContainerInfo)
+
+fun KtElement.getInternalReferencesToUpdateOnPackageNameChange(containerChangeInfo: ContainerChangeInfo): List<UsageInfo> {
     val usages = ArrayList<UsageInfo>()
-    lazilyProcessInternalReferencesToUpdateOnPackageNameChange(packageNameInfo) { expr, factory -> usages.addIfNotNull(factory(expr)) }
+    lazilyProcessInternalReferencesToUpdateOnPackageNameChange(containerChangeInfo) { expr, factory -> usages.addIfNotNull(factory(expr)) }
     return usages
 }
 
 fun KtElement.lazilyProcessInternalReferencesToUpdateOnPackageNameChange(
-        packageNameInfo: PackageNameInfo,
+        containerChangeInfo: ContainerChangeInfo,
         body: (originalRefExpr: KtSimpleNameExpression, usageFactory: (KtSimpleNameExpression) -> UsageInfo?) -> Unit
 ) {
     val file = containingFile as? KtFile ?: return
@@ -99,46 +129,61 @@ fun KtElement.lazilyProcessInternalReferencesToUpdateOnPackageNameChange(
         val declaration = DescriptorToSourceUtilsIde.getAnyDeclaration(project, descriptor) ?: return null
 
         // Special case for enum entry superclass references (they have empty text and don't need to be processed by the refactoring)
-        if (refExpr.textRange.isEmpty) {
-            return null
-        }
+        if (refExpr.textRange.isEmpty) return null
+
+        if (descriptor is ClassDescriptor && descriptor.isInner && refExpr.parent is KtCallExpression) return null
 
         val isCallable = descriptor is CallableDescriptor
         val isExtension = isCallable && declaration.isExtensionDeclaration()
 
-        if (isCallable && !isExtension) {
+        if (isCallable) {
             val containingDescriptor = descriptor.containingDeclaration
-            if (refExpr.getReceiverExpression() != null) {
-                return fun(refExpr: KtSimpleNameExpression): UsageInfo? {
-                    val receiver = refExpr.getReceiverExpression() ?: return null
-                    val receiverRef = receiver.getQualifiedElementSelector() as? KtSimpleNameExpression ?: return null
-                    if (bindingContext[BindingContext.QUALIFIER, receiverRef] == null) return null
-                    return processReference(receiverRef, bindingContext)?.invoke(receiverRef)
+            if (isExtension && containingDescriptor is ClassDescriptor) {
+                val implicitClass = (refExpr.getResolvedCall(bindingContext)?.dispatchReceiver as? ImplicitClassReceiver)?.classDescriptor
+                if (DescriptorUtils.isCompanionObject(implicitClass)) {
+                    return { ImplicitCompanionAsDispatchReceiverUsageInfo(it) }
                 }
+                return null
+            }
+            if (!isExtension) {
+                if (refExpr.getReceiverExpression() != null) {
+                    return fun(refExpr: KtSimpleNameExpression): UsageInfo? {
+                        val receiver = refExpr.getReceiverExpression() ?: return null
+                        val receiverRef = receiver.getQualifiedElementSelector() as? KtSimpleNameExpression ?: return null
+                        if (bindingContext[BindingContext.QUALIFIER, receiverRef] == null) return null
+                        return processReference(receiverRef, bindingContext)?.invoke(receiverRef)
+                    }
+                }
+                if (!(containingDescriptor is PackageFragmentDescriptor
+                      || containingDescriptor is ClassDescriptor && containingDescriptor.kind == ClassKind.OBJECT)) return null
             }
-            if (containingDescriptor !is PackageFragmentDescriptor) return null
         }
 
         val fqName = DescriptorUtils.getFqName(descriptor)
         if (!fqName.isSafe) return null
 
-        val packageName = DescriptorUtils.getParentOfType(descriptor, PackageFragmentDescriptor::class.java, false)?.let {
-            DescriptorUtils.getFqName(it).toSafe()
-        }
+        val (oldContainer, newContainer) = containerChangeInfo
 
-        val oldPackageName = packageNameInfo.oldPackageName
-        val newPackageName = packageNameInfo.newPackageName
+        val containerFqName = descriptor
+                .parents
+                .mapNotNull {
+                    when {
+                        oldContainer.matches(it) -> oldContainer.fqName
+                        newContainer.matches(it) -> newContainer.fqName
+                        else -> null
+                    }
+                }
+                .firstOrNull()
 
         fun doCreateUsageInfo(refExpr: KtSimpleNameExpression): UsageInfo? {
             if (isAncestor(declaration, false)) {
                 if (descriptor.importableFqName == null) return null
-                if (descriptor is ClassDescriptor && descriptor.isInner && refExpr.parent is KtCallExpression) return null
                 if (isUnqualifiedExtensionReference(refExpr.mainReference, declaration)) return null
-                if (packageName == null || !newPackageName.isSafe) return null
+                if (containerFqName == null || newContainer is ContainerInfo.UnknownPackage) return null
                 return fqName.asString().let {
-                    val prefix = packageName.asString()
+                    val prefix = containerFqName.asString()
                     val prefixOffset = it.indexOf(prefix)
-                    val newFqName = FqName(it.replaceRange(prefixOffset..prefixOffset + prefix.length - 1, newPackageName.asString()))
+                    val newFqName = FqName(it.replaceRange(prefixOffset..prefixOffset + prefix.length - 1, newContainer.fqName!!.asString()))
                     MoveRenameSelfUsageInfo(refExpr.mainReference, declaration, newFqName)
                 }
             }
@@ -146,11 +191,8 @@ fun KtElement.lazilyProcessInternalReferencesToUpdateOnPackageNameChange(
             return createMoveUsageInfoIfPossible(refExpr.mainReference, declaration, false)
         }
 
-        if (!isExtension &&
-            packageName != oldPackageName &&
-            packageName?.asString() != newPackageName.asString() &&
-            !isImported(descriptor)) return null
-        return ::doCreateUsageInfo
+        if (isExtension || containerFqName != null || isImported(descriptor)) return ::doCreateUsageInfo
+        return null
     }
 
     val referenceToContext = KotlinFileReferencesResolver.resolve(file = file, elements = listOf(this))
@@ -163,6 +205,8 @@ fun KtElement.lazilyProcessInternalReferencesToUpdateOnPackageNameChange(
     }
 }
 
+class ImplicitCompanionAsDispatchReceiverUsageInfo(callee: KtSimpleNameExpression) : UsageInfo(callee)
+
 class MoveRenameUsageInfoForExtension(
         element: PsiElement,
         reference: PsiReference,
@@ -276,7 +320,7 @@ fun postProcessMoveUsages(usages: List<UsageInfo>,
 
     val nonCodeUsages = ArrayList<NonCodeUsageInfo>()
 
-    for (usage in sortedUsages) {
+    usageLoop@ for (usage in sortedUsages) {
         when (usage) {
             is NonCodeUsageInfo -> {
                 nonCodeUsages.add(usage)
@@ -295,21 +339,17 @@ fun postProcessMoveUsages(usages: List<UsageInfo>,
             is MoveRenameUsageInfo -> {
                 val oldElement = usage.referencedElement!!
                 val newElement = counterpart(oldElement)
-                usage.reference?.let {
-                    try {
-                        if (it is KtSimpleNameReference) {
-                            it.bindToElement(newElement, shorteningMode)
-                        }
-                        else if (it is PsiReferenceExpression && updateJavaReference(it, oldElement, newElement)) {
-                        }
-                        else {
-                            it.bindToElement(newElement)
-                        }
-                    }
-                    catch (e: IncorrectOperationException) {
-                        // Suppress exception if bindToElement is not implemented
+                val reference = usage.reference ?: (usage.element as? KtSimpleNameExpression)?.mainReference
+                try {
+                    when {
+                        reference is KtSimpleNameReference -> reference.bindToElement(newElement, shorteningMode)
+                        reference is PsiReferenceExpression && updateJavaReference(reference, oldElement, newElement) -> continue@usageLoop
+                        else -> reference?.bindToElement(newElement)
                     }
                 }
+                catch (e: IncorrectOperationException) {
+                    // Suppress exception if bindToElement is not implemented
+                }
             }
         }
     }
@@ -388,3 +428,86 @@ fun moveFilesOrDirectories(
         show()
     }
 }
+
+sealed class OuterInstanceReferenceUsageInfo(element: PsiElement, val isIndirectOuter: Boolean) : UsageInfo(element) {
+    class ExplicitThis(
+            expression: KtThisExpression,
+            isIndirectOuter: Boolean
+    ) : OuterInstanceReferenceUsageInfo(expression, isIndirectOuter) {
+        val expression: KtThisExpression?
+            get() = element as? KtThisExpression
+    }
+
+    class ImplicitReceiver(
+            callElement: KtElement,
+            isIndirectOuter: Boolean,
+            val isDoubleReceiver: Boolean
+    ) : OuterInstanceReferenceUsageInfo(callElement, isIndirectOuter) {
+        val callElement: KtElement?
+            get() = element as? KtElement
+    }
+}
+
+@JvmOverloads
+fun traverseOuterInstanceReferences(innerClass: KtClass, stopAtFirst: Boolean, body: (OuterInstanceReferenceUsageInfo) -> Unit = {}): Boolean {
+    if (!innerClass.isInner()) return false
+
+    val context = innerClass.analyzeFully()
+    val innerClassDescriptor = innerClass.resolveToDescriptorIfAny() as? ClassDescriptor ?: return false
+    val outerClassDescriptor = innerClassDescriptor.containingDeclaration as? ClassDescriptor ?: return false
+    var found = false
+    innerClass.accept(
+            object : PsiRecursiveElementWalkingVisitor() {
+                private fun getOuterInstanceReference(element: PsiElement): OuterInstanceReferenceUsageInfo? {
+                    return when (element) {
+                        is KtThisExpression -> {
+                            val descriptor = context[BindingContext.REFERENCE_TARGET, element.instanceReference]
+                            val isIndirect = when {
+                                descriptor == outerClassDescriptor -> false
+                                DescriptorUtils.isAncestor(descriptor, outerClassDescriptor, true) -> true
+                                else -> return null
+                            }
+                            OuterInstanceReferenceUsageInfo.ExplicitThis(element, isIndirect)
+                        }
+                        is KtSimpleNameExpression -> {
+                            val resolvedCall = element.getResolvedCall(context) ?: return null
+                            val dispatchReceiver = resolvedCall.dispatchReceiver as? ImplicitReceiver
+                            val extensionReceiver = resolvedCall.extensionReceiver as? ImplicitReceiver
+                            var isIndirect = false
+                            val isDoubleReceiver = when {
+                                dispatchReceiver?.declarationDescriptor == outerClassDescriptor -> extensionReceiver != null
+                                extensionReceiver?.declarationDescriptor == outerClassDescriptor -> dispatchReceiver != null
+                                else -> {
+                                    isIndirect = true
+                                    when {
+                                        DescriptorUtils.isAncestor(dispatchReceiver?.declarationDescriptor, outerClassDescriptor, true) ->
+                                            extensionReceiver != null
+                                        DescriptorUtils.isAncestor(extensionReceiver?.declarationDescriptor, outerClassDescriptor, true) ->
+                                            dispatchReceiver != null
+                                        else -> return null
+                                    }
+                                }
+                            }
+                            OuterInstanceReferenceUsageInfo.ImplicitReceiver(resolvedCall.call.callElement, isIndirect, isDoubleReceiver)
+                        }
+                        else -> null
+                    }
+                }
+
+                override fun visitElement(element: PsiElement) {
+                    getOuterInstanceReference(element)?.let {
+                        body(it)
+                        found = true
+                        if (stopAtFirst) stopWalking()
+                        return
+                    }
+                    super.visitElement(element)
+                }
+            }
+    )
+    return found
+}
+
+fun collectOuterInstanceReferences(innerClass: KtClass): List<OuterInstanceReferenceUsageInfo> {
+    return SmartList<OuterInstanceReferenceUsageInfo>().apply { traverseOuterInstanceReferences(innerClass, false) { add(it) } }
+}

idea/testData/multiFileIntentions/moveDeclarationToSeparateFile/moveClassToExistingFile/moveClassToExistingFile.test

@@ -1,4 +1,4 @@
 {
   "mainFile": "source/test.kt",
-  "intentionClass": "org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveDeclarationToSeparateFileIntention"
+  "intentionClass": "org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationToSeparateFileIntention"
 }

idea/testData/multiFileIntentions/moveDeclarationToSeparateFile/moveClassToFile/moveClassToFile.test

@@ -1,4 +1,4 @@
 {
   "mainFile": "source/test.kt",
-  "intentionClass": "org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveDeclarationToSeparateFileIntention"
+  "intentionClass": "org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationToSeparateFileIntention"
 }

idea/testData/multiFileIntentions/moveDeclarationToSeparateFile/moveSingleToFile/moveSingleToFile.test

@@ -1,5 +1,5 @@
 {
   "mainFile": "source/test.kt",
-  "intentionClass": "org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveDeclarationToSeparateFileIntention",
+  "intentionClass": "org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationToSeparateFileIntention",
   "isApplicable": "false"
 }

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithOuterOuterThis/after/test.kt

@@ -0,0 +1,14 @@
+package test
+
+class A {
+    inner class OuterOuterY
+
+    inner class B {
+        inner class C {
+            fun test() {
+                OuterOuterY()
+                this@A.OuterOuterY()
+            }
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithOuterOuterThis/before/test.kt

@@ -0,0 +1,14 @@
+package test
+
+class A {
+    inner class OuterOuterY
+
+    inner class B {
+        inner class <caret>C {
+            fun test() {
+                OuterOuterY()
+                this@A.OuterOuterY()
+            }
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithOuterOuterThis/conflicts.txt

@@ -0,0 +1,2 @@
+Indirect outer instances won't be extracted: OuterOuterY()
+Indirect outer instances won't be extracted: this@A

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithOuterOuterThis/deepInnerToTopLevelWithOuterOuterThis.test

@@ -0,0 +1,6 @@
+{
+  "mainFile": "test.kt",
+  "type": "MOVE_KOTLIN_NESTED_CLASS",
+  "outerInstanceParameter": "a",
+  "withRuntime": "true"
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/after/C.kt

@@ -0,0 +1,26 @@
+package test
+
+class C(private val b: A.B) {
+    fun test() {
+        A.X()
+
+        A.Companion.Y()
+        A.foo(A.bar)
+        //1.extFoo(1.extBar) // conflict
+
+        b.OuterY()
+        b.outerFoo(b.outerBar)
+
+        b.OuterY()
+        b.outerFoo(b.outerBar)
+
+        A.O.Y()
+        A.O.foo(A.O.bar)
+
+        with (A.O) {
+            A.Companion.Y()
+            foo(bar)
+            1.extFoo(1.extBar)
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/after/test.kt

@@ -0,0 +1,42 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A {
+    class X {
+
+    }
+
+    companion object {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    object O {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    inner class B {
+        inner class OuterY
+
+        fun outerFoo(n: Int) {}
+
+        val outerBar = 1
+
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/after/test2/usages.java

@@ -0,0 +1,10 @@
+package test2;
+
+import test.A;
+import test.C;
+
+class Test {
+    C foo() {
+        return new C(new A().new B());
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/after/test2/usages2.java

@@ -0,0 +1,10 @@
+package test2;
+
+import test.A;
+import test.C;
+
+class Test {
+    C foo() {
+        return new C(new A().new B());
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/after/test2/usages3.java

@@ -0,0 +1,10 @@
+package test2;
+
+import test.A;
+import test.C;
+
+class Test {
+    C foo() {
+        return new C(new A().new B());
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/after/usages.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.C
+
+fun foo(): C {
+    return C(A().B())
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/after/usages2.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.C
+
+fun foo2(): C {
+    return C(A().B())
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/after/usages3.kt

@@ -0,0 +1,9 @@
+package test2
+
+import test.A
+import test.A.B
+import test.C
+
+fun foo2(): C {
+    return C(A().B())
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/before/test.kt

@@ -0,0 +1,66 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A {
+    class X {
+
+    }
+
+    companion object {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    object O {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    inner class B {
+        inner class OuterY
+
+        fun outerFoo(n: Int) {}
+
+        val outerBar = 1
+
+        inner class <caret>C {
+            fun test() {
+                X()
+
+                Y()
+                foo(bar)
+                //1.extFoo(1.extBar) // conflict
+
+                OuterY()
+                outerFoo(outerBar)
+
+                this@B.OuterY()
+                this@B.outerFoo(this@B.outerBar)
+
+                O.Y()
+                O.foo(O.bar)
+
+                with (O) {
+                    Y()
+                    foo(bar)
+                    1.extFoo(1.extBar)
+                }
+            }
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/before/test2/usages.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A;
+
+class Test {
+    A.B.C foo() {
+        return new A().new B().new C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/before/test2/usages2.java

@@ -0,0 +1,10 @@
+package test2;
+
+import test.A;
+import test.A.B.C;
+
+class Test {
+    C foo() {
+        return new A().new B().new C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/before/test2/usages3.java

@@ -0,0 +1,10 @@
+package test2;
+
+import test.A;
+import test.A.B;
+
+class Test {
+    B.C foo() {
+        return new A().new B().new C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/before/usages.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.A
+
+fun foo(): A.B.C {
+    return A().B().C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/before/usages2.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.A.B.C
+
+fun foo2(): C {
+    return A().B().C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/before/usages3.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.A.B
+
+fun foo2(): B.C {
+    return A().B().C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepInnerToTopLevelWithThis/deepInnerToTopLevelWithThis.test

@@ -0,0 +1,6 @@
+{
+  "mainFile": "test.kt",
+  "type": "MOVE_KOTLIN_NESTED_CLASS",
+  "outerInstanceParameter": "b",
+  "withRuntime": "true"
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/after/C.kt

@@ -0,0 +1,20 @@
+package test
+
+class C {
+    fun test() {
+        A.X()
+
+        A.Companion.Y()
+        A.foo(A.bar)
+        //1.extFoo(1.extBar) // conflict
+
+        A.O.Y()
+        A.O.foo(A.O.bar)
+
+        with (A.O) {
+            A.Companion.Y()
+            foo(bar)
+            1.extFoo(1.extBar)
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/after/test.kt

@@ -0,0 +1,36 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A {
+    class X {
+
+    }
+
+    companion object {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    object O {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    class B {
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/after/test2/usages.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.C;
+
+class Test {
+    C foo() {
+        return new C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/after/test2/usages2.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.C;
+
+class Test {
+    C foo() {
+        return new C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/after/test2/usages3.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.C;
+
+class Test {
+    C foo() {
+        return new C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/after/usages.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.C
+
+fun foo(): C {
+    return C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/after/usages2.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.C
+
+fun foo(): C {
+    return C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/after/usages3.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A.B
+import test.C
+
+fun foo(): C {
+    return C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/before/test.kt

@@ -0,0 +1,54 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A {
+    class X {
+
+    }
+
+    companion object {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    object O {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    class B {
+        class <caret>C {
+            fun test() {
+                X()
+
+                Y()
+                foo(bar)
+                //1.extFoo(1.extBar) // conflict
+
+                O.Y()
+                O.foo(O.bar)
+
+                with (O) {
+                    Y()
+                    foo(bar)
+                    1.extFoo(1.extBar)
+                }
+            }
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/before/test2/usages.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A;
+
+class Test {
+    A.B.C foo() {
+        return new A.B.C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/before/test2/usages2.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A.B.C;
+
+class Test {
+    C foo() {
+        return new C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/before/test2/usages3.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A.B;
+
+class Test {
+    B.C foo() {
+        return new B.C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/before/usages.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.A
+
+fun foo(): A.B.C {
+    return A.B.C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/before/usages2.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.A.B.C
+
+fun foo(): C {
+    return C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/before/usages3.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.A.B
+
+fun foo(): B.C {
+    return B.C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/deepNonInnerToTopLevel/deepNonInnerToTopLevel.test

@@ -0,0 +1,5 @@
+{
+  "mainFile": "test.kt",
+  "type": "MOVE_KOTLIN_NESTED_CLASS",
+  "withRuntime": "true"
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/after/B.kt

@@ -0,0 +1,20 @@
+package test
+
+class B {
+    fun test() {
+        A.X()
+
+        A.Companion.Y()
+        A.foo(A.bar)
+        //1.extFoo(1.extBar) // conflict
+
+        A.O.Y()
+        A.O.foo(A.O.bar)
+
+        with (A.O) {
+            A.Companion.Y()
+            foo(bar)
+            1.extFoo(1.extBar)
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/after/test.kt

@@ -0,0 +1,34 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A {
+    class X {
+
+    }
+
+    companion object {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    object O {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/after/test2/usages.java

@@ -0,0 +1,10 @@
+package test2;
+
+import test.A;
+import test.B;
+
+class Test {
+    B foo() {
+        return new A().new B();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/after/test2/usages2.java

@@ -0,0 +1,10 @@
+package test2;
+
+import test.A;
+import test.B;
+
+class Test {
+    B foo() {
+        return new A().new B();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/after/usages.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.B
+
+fun foo(): B {
+    return B()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/after/usages2.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.B
+
+fun foo2(): B {
+    return B()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/before/test.kt

@@ -0,0 +1,52 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A {
+    class X {
+
+    }
+
+    companion object {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    object O {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    inner class <caret>B {
+        fun test() {
+            X()
+
+            Y()
+            foo(bar)
+            //1.extFoo(1.extBar) // conflict
+
+            O.Y()
+            O.foo(O.bar)
+
+            with (O) {
+                Y()
+                foo(bar)
+                1.extFoo(1.extBar)
+            }
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/before/test2/usages.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A;
+
+class Test {
+    A.B foo() {
+        return new A().new B();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/before/test2/usages2.java

@@ -0,0 +1,10 @@
+package test2;
+
+import test.A;
+import test.A.B;
+
+class Test {
+    B foo() {
+        return new A().new B();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/before/usages.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.A
+
+fun foo(): A.B {
+    return A().B()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/before/usages2.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.A.B
+
+fun foo2(): B {
+    return A().B()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelNoThis/innerToTopLevelNoThis.test

@@ -0,0 +1,5 @@
+{
+  "mainFile": "test.kt",
+  "type": "MOVE_KOTLIN_NESTED_CLASS",
+  "withRuntime": "true"
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/after/B.kt

@@ -0,0 +1,26 @@
+package test
+
+class B(private val a: A) {
+    fun test() {
+        A.X()
+
+        A.Companion.Y()
+        A.foo(A.bar)
+        //1.extFoo(1.extBar) // conflict
+
+        a.OuterY()
+        a.outerFoo(a.outerBar)
+
+        a.OuterY()
+        a.outerFoo(a.outerBar)
+
+        A.O.Y()
+        A.O.foo(A.O.bar)
+
+        with (A.O) {
+            A.Companion.Y()
+            foo(bar)
+            1.extFoo(1.extBar)
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/after/test.kt

@@ -0,0 +1,40 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A {
+    class X {
+
+    }
+
+    inner class OuterY
+
+    fun outerFoo(n: Int) {}
+
+    val outerBar = 1
+
+    companion object {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    object O {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/after/test2/usages.java

@@ -0,0 +1,10 @@
+package test2;
+
+import test.A;
+import test.B;
+
+class Test {
+    B foo() {
+        return new B(new A());
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/after/test2/usages2.java

@@ -0,0 +1,10 @@
+package test2;
+
+import test.A;
+import test.B;
+
+class Test {
+    B foo() {
+        return new B(new A());
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/after/usages.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.B
+
+fun foo(): B {
+    return B(A())
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/after/usages2.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.B
+
+fun foo2(): B {
+    return B(A())
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/before/test.kt

@@ -0,0 +1,64 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A {
+    class X {
+
+    }
+
+    inner class OuterY
+
+    fun outerFoo(n: Int) {}
+
+    val outerBar = 1
+
+    companion object {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    object O {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    inner class <caret>B {
+        fun test() {
+            X()
+
+            Y()
+            foo(bar)
+            //1.extFoo(1.extBar) // conflict
+
+            OuterY()
+            outerFoo(outerBar)
+
+            this@A.OuterY()
+            this@A.outerFoo(this@A.outerBar)
+
+            O.Y()
+            O.foo(O.bar)
+
+            with (O) {
+                Y()
+                foo(bar)
+                1.extFoo(1.extBar)
+            }
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/before/test2/usages.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A;
+
+class Test {
+    A.B foo() {
+        return new A().new B();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/before/test2/usages2.java

@@ -0,0 +1,10 @@
+package test2;
+
+import test.A;
+import test.A.B;
+
+class Test {
+    B foo() {
+        return new A().new B();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/before/usages.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.A
+
+fun foo(): A.B {
+    return A().B()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/before/usages2.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.A.B
+
+fun foo2(): B {
+    return A().B()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThis/innerToTopLevelWithThis.test

@@ -0,0 +1,6 @@
+{
+  "mainFile": "test.kt",
+  "type": "MOVE_KOTLIN_NESTED_CLASS",
+  "outerInstanceParameter": "a",
+  "withRuntime": "true"
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThisOuterRefConflicts/after/test.kt

@@ -0,0 +1,19 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A() {
+    fun X.bar() {}
+}
+
+class X {
+    fun Int.foo() {}
+
+    inner class Y {
+        fun test() {
+            1.foo()
+            with(1) { foo() }
+            with(A()) { bar() }
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThisOuterRefConflicts/before/test.kt

@@ -0,0 +1,19 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A() {
+    fun X.bar() {}
+}
+
+class X {
+    fun Int.foo() {}
+
+    inner class <caret>Y {
+        fun test() {
+            1.foo()
+            with(1) { foo() }
+            with(A()) { bar() }
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThisOuterRefConflicts/conflicts.txt

@@ -0,0 +1,3 @@
+Call with two implicit receivers won't be processed: bar()
+Call with two implicit receivers won't be processed: foo()
+Qualified call won't be processed: 1.foo()

idea/testData/refactoring/move/kotlin/moveNestedClass/innerToTopLevelWithThisOuterRefConflicts/innerToTopLevelWithThisOuterRefConflicts.test

@@ -0,0 +1,6 @@
+{
+  "mainFile": "test.kt",
+  "type": "MOVE_KOTLIN_NESTED_CLASS",
+  "outerInstanceParameter": "a",
+  "withRuntime": "true"
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/after/test.kt

@@ -0,0 +1,55 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A {
+    class B {
+        class X {
+
+        }
+
+        companion object {
+            class Y
+
+            fun foo(n: Int) {}
+
+            val bar = 1
+
+            fun Int.extFoo(n: Int) {}
+
+            val Int.extBar: Int get() = 1
+        }
+
+        object O {
+            class Y
+
+            fun foo(n: Int) {}
+
+            val bar = 1
+
+            fun Int.extFoo(n: Int) {}
+
+            val Int.extBar: Int get() = 1
+        }
+
+    }
+
+    class C {
+        fun test() {
+            B.X()
+
+            B.Companion.Y()
+            B.foo(B.bar)
+            //1.extFoo(1.extBar) // conflict
+
+            B.O.Y()
+            B.O.foo(B.O.bar)
+
+            with (B.O) {
+                B.Companion.Y()
+                foo(bar)
+                1.extFoo(1.extBar)
+            }
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/after/test2/usages.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A;
+
+class Test {
+    A.C foo() {
+        return new A.C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/after/test2/usages2.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A.C;
+
+class Test {
+    C foo() {
+        return new C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/after/test2/usages3.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A;
+
+class Test {
+    A.C foo() {
+        return new A.C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/after/usages.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.A
+
+fun foo(): A.C {
+    return A.C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/after/usages2.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.A.C
+
+fun foo(): C {
+    return C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/after/usages3.kt

@@ -0,0 +1,8 @@
+package test2
+
+import test.A
+import test.A.B
+
+fun foo(): A.C {
+    return A.C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/before/test.kt

@@ -0,0 +1,54 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A {
+    class B {
+        class X {
+
+        }
+
+        companion object {
+            class Y
+
+            fun foo(n: Int) {}
+
+            val bar = 1
+
+            fun Int.extFoo(n: Int) {}
+
+            val Int.extBar: Int get() = 1
+        }
+
+        object O {
+            class Y
+
+            fun foo(n: Int) {}
+
+            val bar = 1
+
+            fun Int.extFoo(n: Int) {}
+
+            val Int.extBar: Int get() = 1
+        }
+
+        class <caret>C {
+            fun test() {
+                X()
+
+                Y()
+                foo(bar)
+                //1.extFoo(1.extBar) // conflict
+
+                O.Y()
+                O.foo(O.bar)
+
+                with (O) {
+                    Y()
+                    foo(bar)
+                    1.extFoo(1.extBar)
+                }
+            }
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/before/test2/usages.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A;
+
+class Test {
+    A.B.C foo() {
+        return new A.B.C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/before/test2/usages2.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A.B.C;
+
+class Test {
+    C foo() {
+        return new C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/before/test2/usages3.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A.B;
+
+class Test {
+    B.C foo() {
+        return new B.C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/before/usages.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.A
+
+fun foo(): A.B.C {
+    return A.B.C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/before/usages2.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.A.B.C
+
+fun foo(): C {
+    return C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/before/usages3.kt

@@ -0,0 +1,7 @@
+package test2
+
+import test.A.B
+
+fun foo(): B.C {
+    return B.C()
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass1/nonInnerToOuterClass1.test

@@ -0,0 +1,6 @@
+{
+  "mainFile": "test.kt",
+  "type": "MOVE_KOTLIN_NESTED_CLASS",
+  "targetClass": "test.A",
+  "withRuntime": "true"
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass2/after/test.kt

@@ -0,0 +1,55 @@
+package test
+
+inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
+
+class A {
+    class X {
+
+    }
+
+    companion object {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    object O {
+        class Y
+
+        fun foo(n: Int) {}
+
+        val bar = 1
+
+        fun Int.extFoo(n: Int) {}
+
+        val Int.extBar: Int get() = 1
+    }
+
+    class B {
+    }
+
+    class C {
+        fun test() {
+            X()
+
+            Y()
+            foo(bar)
+            //1.extFoo(1.extBar) // conflict
+
+            O.Y()
+            O.foo(O.bar)
+
+            with (O) {
+                Y()
+                foo(bar)
+                1.extFoo(1.extBar)
+            }
+        }
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass2/after/test2/usages.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A;
+
+class Test {
+    A.C foo() {
+        return new A.C();
+    }
+}

idea/testData/refactoring/move/kotlin/moveNestedClass/nonInnerToOuterClass2/after/test2/usages2.java

@@ -0,0 +1,9 @@
+package test2;
+
+import test.A.C;
+
+class Test {
+    C foo() {
+        return new C();
+    }
+}