From 53ef521a8f0f368046ab441acc6380c15d4a36c6 Mon Sep 17 00:00:00 2001
From: Evgeny Gerashchenko <Evgeny.Gerashchenko@jetbrains.com>
Date: Wed, 8 Apr 2015 16:44:45 +0300
Subject: [PATCH] Deparenthesizing this expression.

---
 .../idea/highlighter/KotlinRecursiveCallLineMarkerProvider.kt  | 3 ++-
 .../codeInsight/lineMarker/recursiveCall/thisQualifier.kt      | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinRecursiveCallLineMarkerProvider.kt b/idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinRecursiveCallLineMarkerProvider.kt
index f2051e5ebfa..df58f2bae73 100644
--- a/idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinRecursiveCallLineMarkerProvider.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinRecursiveCallLineMarkerProvider.kt
@@ -80,7 +80,8 @@ public class KotlinRecursiveCallLineMarkerProvider() : LineMarkerProvider {
             val receiverOwner =
                     when (receiver) {
                         is ExpressionReceiver -> {
-                            val thisRef = (receiver.getExpression() as? JetThisExpression)?.getInstanceReference() ?: return true
+                            val thisRef = (JetPsiUtil.deparenthesize(receiver.getExpression()) as?
+                                    JetThisExpression)?.getInstanceReference() ?: return true
                             bindingContext[BindingContext.REFERENCE_TARGET, thisRef] ?: return true
                         }
 
diff --git a/idea/testData/codeInsight/lineMarker/recursiveCall/thisQualifier.kt b/idea/testData/codeInsight/lineMarker/recursiveCall/thisQualifier.kt
index d4a36ec801c..db5f9f489a8 100644
--- a/idea/testData/codeInsight/lineMarker/recursiveCall/thisQualifier.kt
+++ b/idea/testData/codeInsight/lineMarker/recursiveCall/thisQualifier.kt
@@ -7,6 +7,7 @@ class Outer {
             if (a > 0) {
                 this.<lineMarker>f</lineMarker>(a - 1)
                 this@F.<lineMarker>f</lineMarker>(a - 1)
+                ((this@F)).<lineMarker>f</lineMarker>(a - 1)
 
                 this@Outer.f(a - 1)
             }