add keyword suggestions

pkg/analysis_services/lib/completion/completion_suggestion.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 services.completion.suggestion;
 
 import 'package:analysis_services/constants.dart';
 import 'package:analysis_services/json.dart';
 import 'package:analyzer/src/generated/element.dart';
 
@@ skipping 123 matching lines @@
   static const CompletionSuggestionKind FIELD =
       const CompletionSuggestionKind('FIELD');
   static const CompletionSuggestionKind FUNCTION =
       const CompletionSuggestionKind('FUNCTION');
   static const CompletionSuggestionKind FUNCTION_TYPE_ALIAS =
       const CompletionSuggestionKind('FUNCTION_TYPE_ALIAS');
   static const CompletionSuggestionKind GETTER =
       const CompletionSuggestionKind('GETTER');
   static const CompletionSuggestionKind IMPORT =
       const CompletionSuggestionKind('IMPORT');
+  static const CompletionSuggestionKind KEYWORD =
+      const CompletionSuggestionKind('KEYWORD');
   static const CompletionSuggestionKind LIBRARY_PREFIX =
       const CompletionSuggestionKind('LIBRARY_PREFIX');
   static const CompletionSuggestionKind LOCAL_VARIABLE =
       const CompletionSuggestionKind('LOCAL_VARIABLE');
   static const CompletionSuggestionKind METHOD =
       const CompletionSuggestionKind('METHOD');
   static const CompletionSuggestionKind METHOD_NAME =
       const CompletionSuggestionKind('METHOD_NAME');
   static const CompletionSuggestionKind NAMED_ARGUMENT =
       const CompletionSuggestionKind('NAMED_ARGUMENT');
@@ skipping 58 matching lines @@
   static CompletionSuggestionKind valueOf(String name) {
     if (ARGUMENT_LIST.name == name) return ARGUMENT_LIST;
     if (CLASS.name == name) return CLASS;
     if (CLASS_ALIAS.name == name) return CLASS_ALIAS;
     if (CONSTRUCTOR.name == name) return CONSTRUCTOR;
     if (FIELD.name == name) return FIELD;
     if (FUNCTION.name == name) return FUNCTION;
     if (FUNCTION_TYPE_ALIAS.name == name) return FUNCTION_TYPE_ALIAS;
     if (GETTER.name == name) return GETTER;
     if (IMPORT.name == name) return IMPORT;
+    if (KEYWORD.name == name) return KEYWORD;
     if (LIBRARY_PREFIX.name == name) return LIBRARY_PREFIX;
     if (LOCAL_VARIABLE.name == name) return LOCAL_VARIABLE;
     if (METHOD.name == name) return METHOD;
     if (METHOD_NAME.name == name) return METHOD_NAME;
     if (NAMED_ARGUMENT.name == name) return NAMED_ARGUMENT;
     if (OPTIONAL_ARGUMENT.name == name) return OPTIONAL_ARGUMENT;
     if (PARAMETER.name == name) return PARAMETER;
     if (SETTER.name == name) return SETTER;
     if (TOP_LEVEL_VARIABLE.name == name) return TOP_LEVEL_VARIABLE;
     if (TYPE_PARAMETER.name == name) return TYPE_PARAMETER;
     throw new ArgumentError('Unknown CompletionSuggestionKind: $name');
   }
 }