From 70e199c893fd481f37a820b2f2fe6b46795605e3 Mon Sep 17 00:00:00 2001
From: Valentin Fondaratov <fondarat@gmail.com>
Date: Mon, 18 Jun 2018 13:15:57 +0300
Subject: [PATCH] fix YAMLQualifiedNameProvider not to mess with non-YAML files

---
 .../jetbrains/yaml/navigation/YAMLQualifiedNameProvider.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plugins/yaml/src/org/jetbrains/yaml/navigation/YAMLQualifiedNameProvider.java b/plugins/yaml/src/org/jetbrains/yaml/navigation/YAMLQualifiedNameProvider.java
index 3a43793756a2..74bbe512918e 100644
--- a/plugins/yaml/src/org/jetbrains/yaml/navigation/YAMLQualifiedNameProvider.java
+++ b/plugins/yaml/src/org/jetbrains/yaml/navigation/YAMLQualifiedNameProvider.java
@@ -6,6 +6,7 @@ import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.yaml.YAMLUtil;
+import org.jetbrains.yaml.psi.YAMLPsiElement;
 
 public class YAMLQualifiedNameProvider implements QualifiedNameProvider {
   @Nullable
@@ -17,7 +18,7 @@ public class YAMLQualifiedNameProvider implements QualifiedNameProvider {
   @Nullable
   @Override
   public String getQualifiedName(PsiElement element) {
-    return YAMLUtil.getConfigFullName(element);
+    return element instanceof YAMLPsiElement ? YAMLUtil.getConfigFullName(element) : null;
   }
 
   @Nullable