Rename: Update references to facade class when renaming file via matching top-level class

#KT-11903 Fixed
(cherry picked from commit a1d9a25)

ChangeLog.md

@@ -254,6 +254,7 @@
 - [`KT-10033`](https://youtrack.jetbrains.com/issue/KT-10033) Qualify references to members of enum companions in case of conflict with enum entries
 - [`KT-10713`](https://youtrack.jetbrains.com/issue/KT-10713) Skip read-only declarations when renaming parameters
 - [`KT-10687`](https://youtrack.jetbrains.com/issue/KT-10687) Qualify property references to avoid shadowing by parameters
+- [`KT-11903`](https://youtrack.jetbrains.com/issue/KT-11903) Update references to facade class when renaming file via matching top-level class
 - [`KT-12411`](https://youtrack.jetbrains.com/issue/KT-12411) Fix package name quotation in Move refactoring
 - [`KT-12543`](https://youtrack.jetbrains.com/issue/KT-12543) Qualify property references with 'this' to avoid renaming conflicts
 - [`KT-12732`](https://youtrack.jetbrains.com/issue/KT-12732) Copy default parameter values to overriding function which is renamed by Java reference while its base function is unchanged

compiler/light-classes/src/org/jetbrains/kotlin/asJava/LightClassDataProvider.kt

@@ -69,6 +69,7 @@ abstract class LightClassDataProvider<T : WithFileStubAndExtraDiagnostics>(
     abstract val isLocal: Boolean
 
     override fun compute(): CachedValueProvider.Result<T>? {
+        if (files.isEmpty()) return null
         return CachedValueProvider.Result.create(
                 computeLightClassData(),
                 if (isLocal) PsiModificationTracker.MODIFICATION_COUNT else PsiModificationTracker.OUT_OF_CODE_BLOCK_MODIFICATION_COUNT

idea/src/org/jetbrains/kotlin/idea/refactoring/rename/RenameKotlinClassProcessor.kt

@@ -21,6 +21,7 @@ import com.intellij.psi.PsiElement
 import com.intellij.psi.PsiReference
 import com.intellij.refactoring.JavaRefactoringSettings
 import com.intellij.refactoring.listeners.RefactoringElementListener
+import com.intellij.refactoring.rename.RenamePsiElementProcessor
 import com.intellij.usageView.UsageInfo
 import org.jetbrains.kotlin.asJava.KtLightClass
 import org.jetbrains.kotlin.asJava.KtLightClassForExplicitDeclaration
@@ -69,7 +70,9 @@ class RenameKotlinClassProcessor : RenameKotlinPsiProcessor() {
         if (virtualFile != null) {
             val nameWithoutExtensions = virtualFile.nameWithoutExtension
             if (nameWithoutExtensions == classOrObject.name) {
-                allRenames.put(file, newName + "." + virtualFile.extension)
+                val newFileName = newName + "." + virtualFile.extension
+                allRenames.put(file, newFileName)
+                RenamePsiElementProcessor.forElement(file).prepareRenaming(file, newFileName, allRenames)
             }
         }
     }

idea/testData/refactoring/rename/renameKotlinFacadeClassViaTopLevelClass/after/foo/TopLevel2.kt

@@ -0,0 +1,4 @@
+package foo
+
+class TopLevel2 {}
+fun topMe() {}

idea/testData/refactoring/rename/renameKotlinFacadeClassViaTopLevelClass/after/foo/TopUser.java

@@ -0,0 +1,7 @@
+package foo;
+
+public class TopUser {
+    public void use() {
+        TopLevel2Kt.topMe();
+    }
+}

idea/testData/refactoring/rename/renameKotlinFacadeClassViaTopLevelClass/before/foo/TopLevel.kt

@@ -0,0 +1,4 @@
+package foo
+
+class /*rename*/TopLevel {}
+fun topMe() {}

idea/testData/refactoring/rename/renameKotlinFacadeClassViaTopLevelClass/before/foo/TopUser.java

@@ -0,0 +1,7 @@
+package foo;
+
+public class TopUser {
+    public void use() {
+        TopLevelKt.topMe();
+    }
+}

idea/testData/refactoring/rename/renameKotlinFacadeClassViaTopLevelClass/renameKotlinFacadeClassViaTopLevelClass.test

@@ -0,0 +1,6 @@
+{
+  "type": "MARKED_ELEMENT",
+  "mainFile": "foo/TopLevel.kt",
+  "newName": "TopLevel2",
+  "withRuntime": "true"
+}

idea/tests/org/jetbrains/kotlin/idea/refactoring/rename/RenameTestGenerated.java

@@ -515,6 +515,12 @@ public class RenameTestGenerated extends AbstractRenameTest {
         doTest(fileName);
     }
 
+    @TestMetadata("renameKotlinFacadeClassViaTopLevelClass/renameKotlinFacadeClassViaTopLevelClass.test")
+    public void testRenameKotlinFacadeClassViaTopLevelClass_RenameKotlinFacadeClassViaTopLevelClass() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("idea/testData/refactoring/rename/renameKotlinFacadeClassViaTopLevelClass/renameKotlinFacadeClassViaTopLevelClass.test");
+        doTest(fileName);
+    }
+
     @TestMetadata("renameKotlinFacadeClassWithDefaultNameAndCommentsByRef/renameKotlinFacadeClassWithDefaultNameByRef.test")
     public void testRenameKotlinFacadeClassWithDefaultNameAndCommentsByRef_RenameKotlinFacadeClassWithDefaultNameByRef() throws Exception {
         String fileName = KotlinTestUtils.navigationMetadata("idea/testData/refactoring/rename/renameKotlinFacadeClassWithDefaultNameAndCommentsByRef/renameKotlinFacadeClassWithDefaultNameByRef.test");