Enumerate resolvers on context status page.

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 15 matching lines @@
 import 'package:analysis_server/src/status/ast_writer.dart';
 import 'package:analysis_server/src/status/element_writer.dart';
 import 'package:analysis_server/src/status/validator.dart';
 import 'package:analysis_server/src/utilities/average.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/visitor.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/source/error_processor.dart';
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/context/context.dart' show AnalysisContextImpl;
+import 'package:analyzer/src/context/source.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/utilities_collection.dart';
 import 'package:analyzer/src/generated/utilities_general.dart';
 import 'package:analyzer/src/services/lint.dart';
 import 'package:analyzer/src/task/dart.dart';
@@ skipping 1300 matching lines @@
               buffer.write(lint.runtimeType);
               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>');
         });
+        
+        SourceFactory sourceFactory = context.sourceFactory;
+        if (sourceFactory is SourceFactoryImpl) {
+          buffer.write('<h3>Resolvers</h3>');
+          for (UriResolver resolver in sourceFactory.resolvers) {
+            buffer.write('<p>');
+            buffer.write(resolver.runtimeType);
+            buffer.write('</p>');
+          }
+        }
 
         _writeFiles(
             buffer, 'Priority Files (${priorityNames.length})', priorityNames);
         _writeFiles(
             buffer,
             'Explicitly Analyzed Files (${explicitNames.length})',
             explicitNames);
         _writeFiles(
             buffer,
             'Implicitly Analyzed Files (${implicitNames.length})',
@@ skipping 1106 matching lines @@
    */
   static String makeLink(
       String path, Map<String, String> params, String innerHtml,
       [bool hasError = false]) {
     Uri uri = new Uri(path: path, queryParameters: params);
     String href = HTML_ESCAPE.convert(uri.toString());
     String classAttribute = hasError ? ' class="error"' : '';
     return '<a href="$href"$classAttribute>$innerHtml</a>';
   }
 }