From 11fe208fe6f7d132a89d9aacabb4f5339ad901cc Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Thu, 6 Sep 2012 13:52:06 +0200
Subject: [PATCH] more diagnostics for invalid offset (EA-38976)

---
 .../codeInsight/completion/CodeCompletionHandlerBase.java     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/completion/CodeCompletionHandlerBase.java b/platform/lang-impl/src/com/intellij/codeInsight/completion/CodeCompletionHandlerBase.java
index b4053b333198..358e97983172 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/completion/CodeCompletionHandlerBase.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/completion/CodeCompletionHandlerBase.java
@@ -563,7 +563,9 @@ public class CodeCompletionHandlerBase {
                                                            Editor hostEditor,
                                                            OffsetMap hostMap) {
     assert hostFile.isValid() : "file became invalid: " + hostFile.getClass();
-    assert hostMap.getOffset(CompletionInitializationContext.START_OFFSET) < hostFile.getTextLength() : "startOffset outside the host file";
+    if (hostMap.getOffset(CompletionInitializationContext.START_OFFSET) >= hostFile.getTextLength()) {
+      throw new AssertionError("startOffset outside the host file: " + hostMap.getOffset(CompletionInitializationContext.START_OFFSET) + "; " + hostFile);
+    }
 
     InjectedLanguageManager injectedLanguageManager = InjectedLanguageManager.getInstance(hostFile.getProject());
     CompletionContext context;