From 60d1e15e46622ecd13bbfb0294261c8572abd99d Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Sun, 3 Nov 2013 19:38:05 +0100
Subject: [PATCH] log.debug who changes preselected completion elements

---
 .../codeInsight/completion/CompletionLookupArranger.java       | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/completion/CompletionLookupArranger.java b/platform/lang-impl/src/com/intellij/codeInsight/completion/CompletionLookupArranger.java
index b460abe8b399..28715af7f994 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/completion/CompletionLookupArranger.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/completion/CompletionLookupArranger.java
@@ -458,6 +458,9 @@ public class CompletionLookupArranger extends LookupArranger {
   private boolean shouldSkip(CompletionPreselectSkipper[] skippers, LookupElement element) {
     for (final CompletionPreselectSkipper skipper : skippers) {
       if (skipper.skipElement(element, myLocation)) {
+        if (LOG.isDebugEnabled()) {
+          LOG.debug("Skipped element " + element + " by " + skipper);
+        }
         return true;
       }
     }