Enum handling for dart_fmt.

pkg/analyzer/lib/src/services/formatter_impl.dart

Index: pkg/analyzer/lib/src/services/formatter_impl.dart
===================================================================
--- pkg/analyzer/lib/src/services/formatter_impl.dart	(revision 43477)
+++ pkg/analyzer/lib/src/services/formatter_impl.dart	(working copy)
@@ -770,6 +770,24 @@
     }
   }
 
+  visitEnumConstantDeclaration(EnumConstantDeclaration node){
+    visit(node.name);
+  }
+
+  visitEnumDeclaration(EnumDeclaration node){
+    visitMemberMetadata(node.metadata);
+    token(node.keyword);
+    space();
+    visit(node.name);
+    space();
+    token(node.leftBracket);
+    newlines();
+    indent();
+    visitCommaSeparatedNodes(node.constants);
+    newlines();
+    token(node.rightBracket, precededBy: unindent);
+  }
+
   visitExportDirective(ExportDirective node) {
     visitDirectiveMetadata(node.metadata);
     token(node.keyword);
@@ -1841,14 +1859,4 @@
   }
 
   String toString() => writer.toString();
-
-  @override
-  visitEnumConstantDeclaration(EnumConstantDeclaration node) {
-    // TODO: implement visitEnumConstantDeclaration
-  }
-
-  @override
-  visitEnumDeclaration(EnumDeclaration node) {
-    // TODO: implement visitEnumDeclaration
-  }
 }