add analysis server --flutter-repo startup flag

pkg/analyzer/lib/src/context/builder.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.
 
 library analyzer.src.context.context_builder;
 
 import 'dart:collection';
 import 'dart:core';
 
 import 'package:analyzer/context/context_root.dart';
@@ skipping 11 matching lines @@
     show AnalysisDriver, AnalysisDriverScheduler;
 import 'package:analyzer/src/dart/analysis/file_state.dart';
 import 'package:analyzer/src/dart/sdk/sdk.dart';
 import 'package:analyzer/src/generated/bazel.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/gn.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/workspace.dart';
 import 'package:analyzer/src/lint/registry.dart';
+import 'package:analyzer/src/services/lint.dart';
 import 'package:analyzer/src/summary/summary_sdk.dart';
 import 'package:analyzer/src/task/options.dart';
 import 'package:args/args.dart';
 import 'package:front_end/src/base/performace_logger.dart';
 import 'package:front_end/src/incremental/byte_store.dart';
 import 'package:package_config/packages.dart';
 import 'package:package_config/packages_file.dart';
 import 'package:package_config/src/packages_impl.dart';
 import 'package:path/src/context.dart';
 import 'package:yaml/yaml.dart';
@@ skipping 409 matching lines @@
       applyToAnalysisOptions(options, optionMap);
       if (builderOptions.argResults != null) {
         applyAnalysisOptionFlags(options, builderOptions.argResults,
             verbosePrint: verbosePrint);
         // If lints turned on but none specified, then enable default lints
         if (options.lint && options.lintRules.isEmpty) {
           options.lintRules = Registry.ruleRegistry.defaultRules;
           verbose('Using default lint rules');
         }
       }
+      if (ContextBuilderOptions.flutterRepo) {
+        const lintName = 'public_member_api_docs';
+        Linter rule = options.lintRules.firstWhere(
+            (Linter lint) => lint.name == lintName,
+            orElse: () => null);
+        if (rule == null) {
+          rule = Registry.ruleRegistry
+              .firstWhere((Linter lint) => lint.name == lintName);
+          options.lintRules = new List.from(options.lintRules)..add(rule);
+        }
+      }
     } else {
       verbose('Using default analysis options');
     }
     return options;
   }
 
   /**
    * Return the analysis options file that should be used when analyzing code in
    * the directory with the given [path].
    */
@@ skipping 131 matching lines @@
     }
     return false;
   }
 }
 
 /**
  * Options used by a [ContextBuilder].
  */
 class ContextBuilderOptions {
   /**
+   * A flag indicating that the flutter repository is being analyzed.
+   * See comments in source for `flutter analyze --watch`.
+   */
+  static bool flutterRepo = false;
+
+  /**
    * The results of parsing the command line arguments as defined by
    * [defineAnalysisArguments] or `null` if none.
    */
   ArgResults argResults;
 
   /**
    * The file path of the file containing the summary of the SDK that should be
    * used to "analyze" the SDK. This option should only be specified by
    * command-line tools such as 'dartanalyzer' or 'ddc'.
    */
@@ skipping 203 matching lines @@
       throw new ArgumentError('not absolute: $path');
     }
     path = context.normalize(path);
     Resource resource = provider.getResource(path);
     if (resource is File) {
       path = resource.parent.path;
     }
     return new _BasicWorkspace._(provider, path, builder);
   }
 }