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less garbage in addDocumentListener

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peter
2014-02-12 19:46:59 +01:00
parent 700ee90c23
commit 6b0101cc64
1 changed files with 3 additions and 1 deletions
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platform/core-impl/src/com/intellij/openapi/editor/impl/DocumentImpl.java
+3 -1
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@@ -713,7 +713,9 @@ public class DocumentImpl extends UserDataHolderBase implements DocumentEx {
public void addDocumentListener(@NotNull DocumentListener listener) {
myCachedDocumentListeners.set(null);
LOG.assertTrue(!myDocumentListeners.contains(listener), "Already registered: " + listener);
if (myDocumentListeners.contains(listener)) {
LOG.error("Already registered: " + listener);
}
boolean added = myDocumentListeners.add(listener);
LOG.assertTrue(added, listener);
}