From 21c02a1e1b631336e030ce4d13b50fb55e8c3fff Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Wed, 9 Mar 2011 19:36:55 +0100
Subject: [PATCH] EA-26030 reading from offset map may change it

---
 .../codeInsight/completion/CodeCompletionHandlerBase.java    | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

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 5e2ea8902ae3..2d837ed140a3 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/completion/CodeCompletionHandlerBase.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/completion/CodeCompletionHandlerBase.java
@@ -64,6 +64,7 @@ import com.intellij.util.concurrency.Semaphore;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicReference;
@@ -497,7 +498,7 @@ public class CodeCompletionHandlerBase implements CodeInsightActionHandler {
 
     final OffsetMap hostMap = new OffsetMap(hostEditor.getDocument());
     final OffsetMap original = initContext.getOffsetMap();
-    for (final OffsetKey key : original.keySet()) {
+    for (final OffsetKey key : new ArrayList<OffsetKey>(original.keySet())) {
       hostMap.addOffset(key, injectedLanguageManager.injectedToHost(fileCopy, original.getOffset(key)));
     }
 
@@ -519,7 +520,7 @@ public class CodeCompletionHandlerBase implements CodeInsightActionHandler {
       EditorWindow injectedEditor = (EditorWindow)InjectedLanguageUtil.getEditorForInjectedLanguageNoCommit(hostEditor, hostFile, hostStartOffset);
       assert injected == injectedEditor.getInjectedFile();
       final OffsetMap map = new OffsetMap(injectedEditor.getDocument());
-      for (final OffsetKey key : hostMap.keySet()) {
+      for (final OffsetKey key : new ArrayList<OffsetKey>(hostMap.keySet())) {
         map.addOffset(key, injectedEditor.logicalPositionToOffset(injectedEditor.hostToInjected(hostEditor.offsetToLogicalPosition(hostMap.getOffset(key)))));
       }
       context = new CompletionContext(initContext.getProject(), injectedEditor, injected, map);