Add list length information to the status pages

pkg/analysis_server/lib/src/status/get_handler.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.src.status.get_handler;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:convert';
 import 'dart:io';
@@ skipping 47 matching lines @@
  * encoded).
  */
 typedef void HtmlGenerator(StringBuffer buffer);
 
 class ElementCounter extends RecursiveElementVisitor {
   Map<Type, int> counts = new HashMap<Type, int>();
   int elementsWithDocs = 0;
   int totalDocSpan = 0;
 
   void visit(Element element) {
-    SourceRange docRange = element.docRange;
-    if (docRange != null) {
+    String comment = element.documentationComment;
+    if (comment != null) {
       ++elementsWithDocs;
-      totalDocSpan += docRange.length;
+      totalDocSpan += comment.length;
     }
 
     Type type = element.runtimeType;
     if (counts[type] == null) {
       counts[type] = 1;
     } else {
       counts[type]++;
     }
   }
 
@@ skipping 1204 matching lines @@
               buffer.write('</p>');
             }
           }
 
           List<ErrorProcessor> errorProcessors =
               context.getConfigurationData(CONFIGURED_ERROR_PROCESSORS);
           int processorCount = errorProcessors?.length ?? 0;
           buffer.write('<p><b>Error Processor count</b>: $processorCount</p>');
         });
 
-        _writeFiles(buffer, 'Priority Files', priorityNames);
-        _writeFiles(buffer, 'Explicitly Analyzed Files', explicitNames);
-        _writeFiles(buffer, 'Implicitly Analyzed Files', implicitNames);
+        _writeFiles(
+            buffer, 'Priority Files (${priorityNames.length})', priorityNames);
+        _writeFiles(
+            buffer,
+            'Explicitly Analyzed Files (${explicitNames.length})',
+            explicitNames);
+        _writeFiles(
+            buffer,
+            'Implicitly Analyzed Files (${implicitNames.length})',
+            implicitNames);
 
         buffer.write('<h3>Exceptions</h3>');
         if (exceptions.isEmpty) {
           buffer.write('<p>none</p>');
         } else {
           exceptions.forEach((CaughtException exception) {
             _writeException(buffer, exception);
           });
         }
 
@@ skipping 1092 matching lines @@
    */
   static String makeLink(
       String path, Map<String, String> params, String innerHtml,
       [bool hasError = false]) {
     Uri uri = new Uri(path: path, queryParameters: params);
     String href = HTML_ESCAPE.convert(uri.toString());
     String classAttribute = hasError ? ' class="error"' : '';
     return '<a href="$href"$classAttribute>$innerHtml</a>';
   }
 }