Display overlays at /overlays URI.

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

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.source;
 
 import "dart:math" as math;
 import 'dart:collection';
 
 import 'engine.dart';
 import 'java_core.dart';
 import 'java_engine.dart';
 import 'sdk.dart' show DartSdk;
 
 /**
+ * A function that is used to handle [ContentCache] entries.
+ */
+typedef void ContentCacheVisitor(Source source, int stamp, String contents);
+
+/**
  * Instances of class `ContentCache` hold content used to override the default content of a
  * [Source].
  */
 class ContentCache {
   /**
    * A table mapping sources to the contents of those sources. This is used to override the default
    * contents of a source.
    */
   HashMap<Source, String> _contentMap = new HashMap<Source, String>();
 
   /**
    * A table mapping sources to the modification stamps of those sources. This is used when the
    * default contents of a source has been overridden.
    */
   HashMap<Source, int> _stampMap = new HashMap<Source, int>();
 
   /**
+   * Visit all entries of this cache.
+   */
+  void accept(ContentCacheVisitor visitor) {
+    _contentMap.forEach((Source source, String contents) {
+      int stamp = _stampMap[source];
+      visitor(source, stamp, contents);
+    });
+  }
+
+  /**
    * Return the contents of the given source, or `null` if this cache does not override the
    * contents of the source.
    *
    * <b>Note:</b> This method is not intended to be used except by
    * [AnalysisContext.getContents].
    *
    * @param source the source whose content is to be returned
    * @return the contents of the given source
    */
   String getContents(Source source) => _contentMap[source];
@@ skipping 908 matching lines @@
 
   /**
    * Return an absolute URI that represents the given source, or `null` if a valid URI cannot
    * be computed.
    *
    * @param source the source to get URI for
    * @return the absolute URI representing the given source
    */
   Uri restoreAbsolute(Source source) => null;
 }