From f159aa36b97a8d63bf26317a0197455b703a647e Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Tue, 8 Nov 2016 11:21:31 +0100
Subject: [PATCH] unnecessary parenthesis for expression lambda (IDEA-163676)

---
 .../src/com/siyeh/ig/psiutils/ParenthesesUtils.java          | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/psiutils/ParenthesesUtils.java b/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/psiutils/ParenthesesUtils.java
index c26e0793c3cb..c9b5fea6b39b 100644
--- a/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/psiutils/ParenthesesUtils.java
+++ b/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/psiutils/ParenthesesUtils.java
@@ -277,7 +277,7 @@ public class ParenthesesUtils {
     }
     final PsiElement parent = parenthesizedExpression.getParent();
     if (!(parent instanceof PsiExpression) || parent instanceof PsiParenthesizedExpression ||
-        parent instanceof PsiArrayInitializerExpression) {
+        parent instanceof PsiArrayInitializerExpression || parent instanceof PsiLambdaExpression) {
       final PsiExpression newExpression = (PsiExpression)parenthesizedExpression.replace(body);
       removeParentheses(newExpression, ignoreClarifyingParentheses);
       return;
@@ -461,6 +461,9 @@ public class ParenthesesUtils {
 
   public static boolean areParenthesesNeeded(PsiParenthesizedExpression expression, boolean ignoreClarifyingParentheses) {
     final PsiElement parent = expression.getParent();
+    if (parent instanceof PsiLambdaExpression) {
+      return false;
+    }
     if (!(parent instanceof PsiExpression)) {
       return false;
     }