From 640fca42a47cc83f7530520a9151e316d26a1c61 Mon Sep 17 00:00:00 2001
From: Evgeny Gerashchenko <Evgeny.Gerashchenko@jetbrains.com>
Date: Mon, 21 May 2012 16:41:46 +0400
Subject: [PATCH] Fixed navigation to library sources when function has vararg
 parameter.

---
 .../jet/plugin/libraries/JetSourceNavigationHelper.java  | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/idea/src/org/jetbrains/jet/plugin/libraries/JetSourceNavigationHelper.java b/idea/src/org/jetbrains/jet/plugin/libraries/JetSourceNavigationHelper.java
index 4e825cad36a..7b53da1c51f 100644
--- a/idea/src/org/jetbrains/jet/plugin/libraries/JetSourceNavigationHelper.java
+++ b/idea/src/org/jetbrains/jet/plugin/libraries/JetSourceNavigationHelper.java
@@ -254,8 +254,15 @@ public class JetSourceNavigationHelper {
                     if (typeReference == null) {
                         return false;
                     }
+                    JetModifierList modifierList = declarationParameter.getModifierList();
+                    boolean vararg = modifierList != null && modifierList.hasModifier(JetTokens.VARARG_KEYWORD);
+                    if (vararg != (descriptorParameter.getVarargElementType() != null)) {
+                        return false;
+                    }
                     String declarationTypeText = typeReference.getText();
-                    String descriptorParameterText = DescriptorRenderer.TEXT.renderType(descriptorParameter.getType());
+                    String descriptorParameterText = DescriptorRenderer.TEXT.renderType(vararg
+                                                                                        ? descriptorParameter.getVarargElementType()
+                                                                                        : descriptorParameter.getType());
                     if (!declarationTypeText.equals(descriptorParameterText)) {
                         return false;
                     }