flag to limit file and package URI completion suggestions

pkg/analysis_server/lib/src/server/driver.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.
 
 import 'dart:async';
 import 'dart:io';
 import 'dart:math';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/plugin/server_plugin.dart';
 import 'package:analysis_server/src/provisional/completion/dart/completion_plugin.dart';
 import 'package:analysis_server/src/server/diagnostic_server.dart';
 import 'package:analysis_server/src/server/http_server.dart';
 import 'package:analysis_server/src/server/stdio_server.dart';
+import 'package:analysis_server/src/services/completion/dart/uri_contributor.dart'
+    show UriContributor;
 import 'package:analysis_server/src/socket_server.dart';
 import 'package:analysis_server/starter.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/instrumentation/file_instrumentation.dart';
 import 'package:analyzer/instrumentation/instrumentation.dart';
 import 'package:analyzer/plugin/resolver_provider.dart';
 import 'package:analyzer/src/context/builder.dart';
 import 'package:analyzer/src/dart/sdk/sdk.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/sdk.dart';
@@ skipping 155 matching lines @@
    * The name of the option used to set the identifier for the client.
    */
   static const String CLIENT_ID = "client-id";
 
   /**
    * The name of the option used to set the version for the client.
    */
   static const String CLIENT_VERSION = "client-version";
 
   /**
+   * The name of the option used to enable DartPad specific functionality.
+   */
+  static const String DARTPAD_OPTION = "dartpad";
+
+  /**
    * The name of the option used to enable instrumentation.
    */
   static const String ENABLE_INSTRUMENTATION_OPTION = "enable-instrumentation";
 
   /**
    * The name of the option used to set the file read mode.
    */
   static const String FILE_READ_MODE = "file-read-mode";
 
   /**
@@ skipping 127 matching lines @@
     // TODO(devoncarew): Replace with the real crash product ID.
     analysisServerOptions.crashReportSender =
         new CrashReportSender('Dart_analysis_server', analytics);
 
     if (results.wasParsed(ANALYTICS_FLAG)) {
       analytics.enabled = results[ANALYTICS_FLAG];
       print(telemetry.createAnalyticsStatusMessage(analytics.enabled));
       return null;
     }
 
+    if (results[DARTPAD_OPTION]) {
+      UriContributor.suggestFilePaths = false;
+    }
+
     if (results[HELP_OPTION]) {
       _printUsage(parser.parser, analytics, fromHelp: true);
       return null;
     }
 
     int port;
     bool serve_http = false;
     if (results[PORT_OPTION] != null) {
       try {
         port = int.parse(results[PORT_OPTION]);
@@ skipping 128 matching lines @@
 
   /**
    * Create and return the parser used to parse the command-line arguments.
    */
   CommandLineParser _createArgParser() {
     CommandLineParser parser =
         new CommandLineParser(alwaysIgnoreUnrecognized: true);
     parser.addOption(CLIENT_ID,
         help: "an identifier used to identify the client");
     parser.addOption(CLIENT_VERSION, help: "the version of the client");
+    parser.addFlag(DARTPAD_OPTION,
+        help: 'enable DartPad specific functionality',
+        defaultsTo: false,
+        hide: true);
     parser.addFlag(ENABLE_INSTRUMENTATION_OPTION,
         help: "enable sending instrumentation information to a server",
         defaultsTo: false,
         negatable: false);
     parser.addFlag(FLUTTER_REPO,
         help: 'used by "flutter analyze" to enable specific lints'
             ' when analyzing the flutter repository',
         hide: false);
     parser.addFlag(HELP_OPTION,
         help: "print this help message without starting a server",
@@ skipping 121 matching lines @@
 
   _DiagnosticServerImpl();
 
   @override
   Future<int> getServerPort() => httpServer.serveHttp();
 
   Future startOnPort(int port) {
     return httpServer.serveHttp(port);
   }
 }