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pkg/analyzer/lib/src/generated/utilities_general.dart

Index: pkg/analyzer/lib/src/generated/utilities_general.dart
diff --git a/pkg/analyzer/lib/src/generated/utilities_general.dart b/pkg/analyzer/lib/src/generated/utilities_general.dart
index d120a81abdd6e0a9b12554d53bbb5c556f21071f..d000b54e7bf4db8f73db664cf8076a957f107f67 100644
--- a/pkg/analyzer/lib/src/generated/utilities_general.dart
+++ b/pkg/analyzer/lib/src/generated/utilities_general.dart
@@ -4,6 +4,7 @@
 
 library engine.utilities.general;
 
+import 'dart:collection';
 import 'dart:developer' show UserTag;
 
 /**
@@ -32,6 +33,26 @@ class JenkinsSmiHash {
 }
 
 /**
+ * A simple limited queue.
+ */
+class LimitedQueue<E> extends ListQueue<E> {
+  final int limit;
+
+  /**
+   * Create a queue with [limit] items.
+   */
+  LimitedQueue(this.limit);
+
+  @override
+  void add(E o) {
+    super.add(o);
+    while (length > limit) {
+      remove(first);
+    }
+  }
+}
+
+/**
  * Helper class for gathering performance statistics.  This class is modeled on
  * the UserTag class in dart:developer so that it can interoperate easily with
  * it.