From d2622e1a6269d4062b96078e73aa28d490d39423 Mon Sep 17 00:00:00 2001
From: Ivan Bessonov <ivan.bessonov@jetbrains.com>
Date: Thu, 27 Oct 2016 14:42:38 +0300
Subject: [PATCH] Ability to store LANGUAGE_LEVEL in file user data, required
 for correct work of GWT client inclusion/exclusion patterns

---
 .../com/intellij/psi/impl/JavaPsiImplementationHelperImpl.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/java/java-impl/src/com/intellij/psi/impl/JavaPsiImplementationHelperImpl.java b/java/java-impl/src/com/intellij/psi/impl/JavaPsiImplementationHelperImpl.java
index 2d1eb3c1bfcc..636e6f536b2c 100644
--- a/java/java-impl/src/com/intellij/psi/impl/JavaPsiImplementationHelperImpl.java
+++ b/java/java-impl/src/com/intellij/psi/impl/JavaPsiImplementationHelperImpl.java
@@ -131,6 +131,9 @@ public class JavaPsiImplementationHelperImpl extends JavaPsiImplementationHelper
   public LanguageLevel getEffectiveLanguageLevel(@Nullable VirtualFile virtualFile) {
     if (virtualFile == null) return PsiUtil.getLanguageLevel(myProject);
 
+    final LanguageLevel fileLevel = virtualFile.getUserData(LanguageLevel.KEY);
+    if (fileLevel != null) return fileLevel;
+
     final VirtualFile folder = virtualFile.getParent();
     if (folder != null) {
       final LanguageLevel level = folder.getUserData(LanguageLevel.KEY);