add suggestions for variable declaration assignment RHS

pkg/analysis_server/lib/src/services/completion/imported_computer.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.computer.dart.toplevel;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol_server.dart' hide Element,
     ElementKind;
 import 'package:analysis_server/src/services/completion/dart_completion_manager.dart';
 import 'package:analysis_server/src/services/completion/suggestion_builder.dart';
 import 'package:analysis_server/src/services/search/search_engine.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/resolver.dart';
+import 'package:analyzer/src/generated/scanner.dart';
 import 'package:analyzer/src/generated/source.dart';
 
 /**
  * A computer for calculating imported class and top level variable
  * `completion.getSuggestions` request results.
  */
 class ImportedComputer extends DartCompletionComputer {
 
   @override
   bool computeFast(DartCompletionRequest request) {
@@ skipping 69 matching lines @@
   @override
   Future<bool> visitSimpleIdentifier(SimpleIdentifier node) {
     return node.parent.accept(this);
   }
 
   @override
   Future<bool> visitTypeName(TypeName node) {
     return _addImportedElementSuggestions(typesOnly: true);
   }
 
+  @override
+  visitVariableDeclaration(VariableDeclaration node) {
+    Token equals = node.equals;
+    // Make suggestions for the RHS of a variable declaration
+    if (equals != null && request.offset >= equals.end) {
+      return _addImportedElementSuggestions();
+    }
+    return new Future.value(false);
+  }
+
   Future _addCombinatorSuggestions(Combinator node) {
     var directive = node.getAncestor((parent) => parent is NamespaceDirective);
     if (directive is NamespaceDirective) {
       LibraryElement library = directive.uriElement;
       LibraryElementSuggestionBuilder.suggestionsFor(request, library);
       return new Future.value(true);
     }
 
     return new Future.value(false);
   }
@@ skipping 108 matching lines @@
           importElem.isDeprecated,
           false);
       LibraryElement lib = importElem.importedLibrary;
       if (lib != null) {
         suggestion.element = newElement_fromEngine(lib);
       }
       request.suggestions.add(suggestion);
     }
   }
 }