Error produced for missing var, final, const or type on field declarations.

lib/compiler/implementation/scanner/listener.dart

Index: lib/compiler/implementation/scanner/listener.dart
diff --git a/lib/compiler/implementation/scanner/listener.dart b/lib/compiler/implementation/scanner/listener.dart
index b116b7ea5555c770e19f5af705c868b9ce59aa6b..7d18d4d8ed3ea36f354eb1bb7fb119a0ae8c23ac 100644
--- a/lib/compiler/implementation/scanner/listener.dart
+++ b/lib/compiler/implementation/scanner/listener.dart
@@ -1531,6 +1531,14 @@ class PartialFieldListElement extends VariableListElement {
     cachedNode = parse(listener,
                        getCompilationUnit(),
                        (p) => p.parseVariablesDeclaration(beginToken));

[ahe, 2012/08/02 19:40:24]

I think we should rework this change to a "recoverable" error generated by the
parser.

+    if (!cachedNode.modifiers.isVar() &&
+        !cachedNode.modifiers.isFinal() &&
+        !cachedNode.modifiers.isConst() &&
+        cachedNode.type === null) {
+      listener.cancel('A field declaration must start with var, final, '
+                      'const, or a type annotation.',
+                      cachedNode);
+    }
     return cachedNode;
   }