Supported renaming default objects with default names.

compiler/frontend/src/org/jetbrains/kotlin/psi/JetObjectDeclaration.java

@@ -76,8 +76,16 @@ public class JetObjectDeclaration extends JetNamedDeclarationStub<KotlinObjectSt
 
     @Override
     public PsiElement setName(@NonNls @NotNull String name) throws IncorrectOperationException {
-        JetObjectDeclarationName nameAsDeclaration = getNameAsDeclaration();
-        return nameAsDeclaration == null ? null : nameAsDeclaration.setName(name);
+        JetObjectDeclarationName declarationName = getNameAsDeclaration();
+        if (declarationName == null) {
+            JetPsiFactory psiFactory = new JetPsiFactory(getProject());
+            PsiElement result = addAfter(psiFactory.createObjectDeclarationName(name), getObjectKeyword());
+            addAfter(psiFactory.createWhiteSpace(), getObjectKeyword());
+
+            return result;
+        } else {
+            return declarationName.setName(name);
+        }
     }
 
     @Override

compiler/frontend/src/org/jetbrains/kotlin/psi/JetPsiFactory.kt

@@ -195,6 +195,10 @@ public class JetPsiFactory(private val project: Project) {
         return createProperty(name, null, false, name).getInitializer() as JetSimpleNameExpression
     }
 
+    public fun createObjectDeclarationName(name: String): JetObjectDeclarationName {
+        return createDeclaration<JetObjectDeclaration>("object $name").getNameAsDeclaration()!!
+    }
+
     public fun createIdentifier(name: String): PsiElement {
         return createSimpleName(name).getIdentifier()!!
     }