add enum suggestions

pkg/analysis_server/lib/src/services/completion/local_declaration_visitor.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.dart.local.declaration.visitor;
 
 import 'package:analysis_server/src/services/completion/suggestion_builder.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/scanner.dart';
 
 /**
  * `LocalDeclarationCollector` visits an [AstNode] and its parent recursively
  * along with any declarations in those nodes. Consumers typically call [visit]
  * which catches the exception thrown by [finished()].
  */
 abstract class LocalDeclarationVisitor extends GeneralizingAstVisitor {
   static final TypeName STACKTRACE_TYPE = new TypeName(new SimpleIdentifier(
       new StringToken(TokenType.IDENTIFIER, 'StackTrace', 0)), null);
 
   final int offset;
 
   LocalDeclarationVisitor(this.offset);
 
   void declaredClass(ClassDeclaration declaration);
 
   void declaredClassTypeAlias(ClassTypeAlias declaration);
 
+  void declaredEnum(EnumDeclaration declaration) {}
+
   void declaredField(FieldDeclaration fieldDecl, VariableDeclaration varDecl);
 
   void declaredFunction(FunctionDeclaration declaration);
 
   void declaredFunctionTypeAlias(FunctionTypeAlias declaration);
 
   void declaredLabel(Label label, bool isCaseLabel);
 
   void declaredLocalVar(SimpleIdentifier name, TypeName type);
 
@@ skipping 78 matching lines @@
     });
     visitNode(node);
   }
 
   @override
   void visitCompilationUnit(CompilationUnit node) {
     node.declarations.forEach((Declaration declaration) {
       if (declaration is ClassDeclaration) {
         declaredClass(declaration);
       } else if (declaration is EnumDeclaration) {
-        // TODO (danrubel) enum support
-//        declaredEnum(........)
+        declaredEnum(declaration);
       } else if (declaration is FunctionDeclaration) {
         declaredFunction(declaration);
       } else if (declaration is TopLevelVariableDeclaration) {
         var varList = declaration.variables;
         if (varList != null) {
           varList.variables.forEach((VariableDeclaration varDecl) {
             declaredTopLevelVar(varList, varDecl);
           });
         }
       } else if (declaration is ClassTypeAlias) {
@@ skipping 125 matching lines @@
       });
     }
   }
 }
 
 /**
  * Internal exception used to indicate that [LocalDeclarationVisitor]
  * should stop visiting.
  */
 class _LocalDeclarationVisitorFinished {}