From 24f1635d2c2349311ab4b698fe5eeac3943a6990 Mon Sep 17 00:00:00 2001
From: "Pavel V. Talanov" <talanov.pavel@gmail.com>
Date: Thu, 18 Dec 2014 19:48:53 +0300
Subject: [PATCH] Filter out duplicate navigation targets for references in
 library source

---
 .../jet/plugin/codeInsight/DescriptorToDeclarationUtil.kt     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/idea/idea-analysis/src/org/jetbrains/jet/plugin/codeInsight/DescriptorToDeclarationUtil.kt b/idea/idea-analysis/src/org/jetbrains/jet/plugin/codeInsight/DescriptorToDeclarationUtil.kt
index 593c45295bb..b309ab9926d 100644
--- a/idea/idea-analysis/src/org/jetbrains/jet/plugin/codeInsight/DescriptorToDeclarationUtil.kt
+++ b/idea/idea-analysis/src/org/jetbrains/jet/plugin/codeInsight/DescriptorToDeclarationUtil.kt
@@ -57,7 +57,9 @@ public object DescriptorToDeclarationUtil {
             result.addIfNotNull(psiFacade.findPackage(fqName))
             result.addIfNotNull(psiFacade.findClass(fqName, project.allScope()))
         }
-        return result
+        // filter out elements which are navigate to some other element of the result
+        // this is needed to avoid duplicated results for references to declaration in same library source file
+        return result.filter { element -> result.none { element != it && it.getNavigationElement() == element } }
     }
 
     private fun findDecompiledAndBuiltInDeclarations(project: Project, descriptor: DeclarationDescriptor): Collection<PsiElement> {