Add the analysis options path to the diagnostics page.

pkg/analysis_server/lib/src/status/get_handler2.dart

 // Copyright (c) 2016, 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.
 
 import 'dart:convert';
 import 'dart:io';
 import 'dart:math';
 
 import 'package:analysis_server/protocol/protocol.dart';
-import 'package:analysis_server/protocol/protocol_generated.dart';
+import 'package:analysis_server/protocol/protocol_generated.dart'
+    hide AnalysisOptions;
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/domain_completion.dart';
 import 'package:analysis_server/src/domain_diagnostic.dart';
 import 'package:analysis_server/src/domain_execution.dart';
 import 'package:analysis_server/src/plugin/plugin_manager.dart';
 import 'package:analysis_server/src/services/completion/completion_performance.dart';
 import 'package:analysis_server/src/socket_server.dart';
 import 'package:analysis_server/src/status/get_handler.dart';
 import 'package:analyzer/exception/exception.dart';
 import 'package:analyzer/file_system/file_system.dart';
@@ skipping 442 matching lines @@
       }
       buffer.write('</p>');
     }
 
     _writeResponse(request, (StringBuffer buffer) {
       String contextName = path.basename(contextFilter);
       _writePage(buffer, 'Context: $contextName', [contextFilter],
           (StringBuffer buffer) {
         buffer.write('<h3>Configuration</h3>');
 
+        AnalysisOptions analysisOptions = driver.analysisOptions;
+
         _writeColumns(buffer, <HtmlGenerator>[
           (StringBuffer buffer) {
             buffer.write('<p><b>Context Options</b></p>');
-            writeOptions(buffer, driver.analysisOptions);
+            writeOptions(buffer, analysisOptions);
           },
           (StringBuffer buffer) {
             buffer.write('<p><b>SDK Context Options</b></p>');
             DartSdk sdk = driver?.sourceFactory?.dartSdk;
             writeOptions(buffer, sdk?.context?.analysisOptions,
                 writeAdditionalOptions: (StringBuffer buffer) {
               if (sdk is FolderBasedDartSdk) {
                 _writeOption(buffer, 'Use summaries', sdk.useSummary);
               }
             });
           },
           (StringBuffer buffer) {
-            List<Linter> lints = driver.analysisOptions.lintRules;
+            List<Linter> lints = analysisOptions.lintRules;
             buffer.write('<p><b>Lints</b></p>');
             if (lints.isEmpty) {
               buffer.write('<p>none</p>');
             } else {
               for (Linter lint in lints) {
                 buffer.write('<p>');
                 buffer.write(lint.runtimeType);
                 buffer.write('</p>');
               }
             }
 
             List<ErrorProcessor> errorProcessors =
-                driver.analysisOptions.errorProcessors;
+                analysisOptions.errorProcessors;
             int processorCount = errorProcessors?.length ?? 0;
             buffer
                 .write('<p><b>Error Processor count</b>: $processorCount</p>');
           }
         ]);
 
+        _writeColumns(buffer, <HtmlGenerator>[
+          (StringBuffer buffer) {
+            buffer.write('<p><b>analysis_options path</b></p>');
+
+            if (analysisOptions.optionsFilePath != null) {
+              buffer.write(
+                  '<p>${HTML_ESCAPE.convert(analysisOptions.optionsFilePath)}</p>');
+            }

[Paul Berry, 2017/05/28 04:19:15]

Add an else block that writes '<p>none</p>', lke we do in the lints.isEmpty case
above (see line 495)

[devoncarew, 2017/05/30 20:23:32]

Done.

+          }
+        ]);
+
         SourceFactory sourceFactory = driver.sourceFactory;
         if (sourceFactory is SourceFactoryImpl) {
           buffer.write('<h3>Resolvers</h3>');
           for (UriResolver resolver in sourceFactory.resolvers) {
             buffer.write('<p>');
             buffer.write(resolver.runtimeType);
             if (resolver is DartUriResolver) {
               DartSdk sdk = resolver.dartSdk;
               buffer.write(' (sdk = ');
               buffer.write(sdk.runtimeType);
@@ skipping 777 matching lines @@
       String path, Map<String, String> params, String innerHtml,
       [bool hasError = false]) {
     Uri uri = params.isEmpty
         ? new Uri(path: path)
         : 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>';
   }
 }