From 478ed3463c1563c6eecce1ed629fa8fc547dd1a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Mart=C3=ADn=20Sotuyo=20Dodero?= <jmsotuyo@monits.com>
Date: Fri, 14 Oct 2016 09:24:06 -0300
Subject: [PATCH] Simplify lambda pursing even further

 - Remove a redundant case
 - Restrict grammar according to spec with a simpler scenario
---
 pmd-java/etc/grammar/Java.jjt | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pmd-java/etc/grammar/Java.jjt b/pmd-java/etc/grammar/Java.jjt
index 7588c36ce9..65f9f91c4f 100644
--- a/pmd-java/etc/grammar/Java.jjt
+++ b/pmd-java/etc/grammar/Java.jjt
@@ -1812,8 +1812,7 @@ void PrimaryPrefix() :
   Literal()
 | LOOKAHEAD(2) "this" {jjtThis.setUsesThisModifier();}
 | "super" {jjtThis.setUsesSuperModifier();}
-| LOOKAHEAD( "(" ")" "->" ) LambdaExpression()
-| LOOKAHEAD( VariableDeclaratorId() "->" ) LambdaExpression()
+| LOOKAHEAD( <IDENTIFIER> "->" ) LambdaExpression()
 | LOOKAHEAD( "(" VariableDeclaratorId() ( "," VariableDeclaratorId() )* ")" "->" ) LambdaExpression()
 | LOOKAHEAD( FormalParameters() "->" ) LambdaExpression()
 | LOOKAHEAD(3) "(" Expression() ")"