From 7718c0a5d3884439ac86909ef50c082f4a765d73 Mon Sep 17 00:00:00 2001
From: Subbu Dantu <subbudantu@Subbus-MacBook-Pro.local>
Date: Tue, 21 Mar 2017 05:30:20 +0530
Subject: [PATCH] Issue #3048: ParenPad now correctly evaluates precedence
 parens

---
 .../checks/whitespace/ParenPadCheck.java         | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/whitespace/ParenPadCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/whitespace/ParenPadCheck.java
index 62a127da5eb4..c83383aa0d54 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/whitespace/ParenPadCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/whitespace/ParenPadCheck.java
@@ -181,11 +181,21 @@ private void processExpression(DetailAST ast) {
             DetailAST childAst = ast.getFirstChild();
             while (childAst != null) {
                 if (childAst.getType() == TokenTypes.LPAREN) {
-                    processLeft(childAst);
-                    processExpression(childAst);
+                    if (childAst.getNextSibling().getType() == TokenTypes.TYPECAST) {
+                        processExpression(childAst);
+                    }
+                    else {
+                        processLeft(childAst);
+                        processExpression(childAst);
+                    }
                 }
                 else if (childAst.getType() == TokenTypes.RPAREN && !isInTypecast(childAst)) {
-                    processRight(childAst);
+                    if (childAst.getPreviousSibling().getType() == TokenTypes.TYPECAST) {
+                        processExpression(childAst);
+                    }
+                    else {
+                        processRight(childAst);
+                    }
                 }
                 else if (!isAcceptableToken(childAst)) {
                     //Traverse all subtree tokens which will never be configured