Support for searching files by import/export/part URIs and library identifiers.

pkg/analysis_server/lib/src/analysis_server.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.
 
 library analysis.server;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:core' hide Resource;
 import 'dart:math' show max;
@@ skipping 555 matching lines @@
    */
   List<Element> getElementsOfNodes(List<AstNode> nodes) {
     List<Element> elements = <Element>[];
     for (AstNode node in nodes) {
       if (node is SimpleIdentifier && node.parent is LibraryIdentifier) {
         node = node.parent;
       }
       if (node is LibraryIdentifier) {
         node = node.parent;
       }
+      // TODO(scheglov) It seems now that resolving URI to the imported library
+      // is a mistake. Remove this from ElementLocator.

[Brian Wilkerson, 2015/10/20 14:57:15]

Why is it a mistake?

+      if (node is StringLiteral) {
+        continue;
+      }
       Element element = ElementLocator.locate(node);
       if (node is SimpleIdentifier && element is PrefixElement) {
         element = getImportElement(node);
       }
       if (element != null) {
         elements.add(element);
       }
     }
     return elements;
   }
@@ skipping 1016 matching lines @@
   /**
    * The [PerformanceTag] for time spent in server request handlers.
    */
   static PerformanceTag serverRequests = new PerformanceTag('serverRequests');
 
   /**
    * The [PerformanceTag] for time spent in split store microtasks.
    */
   static PerformanceTag splitStore = new PerformanceTag('splitStore');
 }