From 64ae9af3a4713a2ee22fbc6314afa5ed269f95f6 Mon Sep 17 00:00:00 2001
From: Mikhail Glukhikh <mikhail.glukhikh@jetbrains.com>
Date: Mon, 25 Apr 2016 15:07:03 +0300
Subject: [PATCH] Can be parameter inspection: use in selector position is now
 always handled as "property use"

---
 .../kotlin/idea/inspections/CanBeParameterInspection.kt       | 4 ++--
 idea/testData/inspections/canBeParameter/test.kt              | 4 ++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/idea/src/org/jetbrains/kotlin/idea/inspections/CanBeParameterInspection.kt b/idea/src/org/jetbrains/kotlin/idea/inspections/CanBeParameterInspection.kt
index f394324d112..06741daa233 100644
--- a/idea/src/org/jetbrains/kotlin/idea/inspections/CanBeParameterInspection.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/inspections/CanBeParameterInspection.kt
@@ -41,10 +41,10 @@ class CanBeParameterInspection : AbstractKotlinInspection() {
     private fun PsiReference.usedAsPropertyIn(klass: KtClass): Boolean {
         if (this !is KtSimpleNameReference) return true
         val nameExpression = element
-        // this.x
+        // receiver.x
         val parent = element.parent
         if (parent is KtQualifiedExpression) {
-            if (parent.receiverExpression is KtThisExpression) return true
+            if (parent.selectorExpression == element) return true
         }
         // x += something
         if (parent is KtBinaryExpression &&
diff --git a/idea/testData/inspections/canBeParameter/test.kt b/idea/testData/inspections/canBeParameter/test.kt
index 87237af46e3..5818c1d46bf 100644
--- a/idea/testData/inspections/canBeParameter/test.kt
+++ b/idea/testData/inspections/canBeParameter/test.kt
@@ -116,4 +116,8 @@ class UsedInDelegate(val x: Int) {
     val y: Int by lazy {
         x * x
     }
+}
+// NO
+class UsedInParent(val x: UsedInParent?) {
+    val y = x?.x
 }
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