Support local variables in analyzer2dart.

pkg/analyzer2dart/lib/src/semantic_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 analyzer2dart.semantic_visitor;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/src/generated/source.dart';
 
 import 'util.dart';
@@ skipping 13 matching lines @@
     reportMessage(node, message);
     throw new UnimplementedError(message);
   }
 
   bool invariant(AstNode node, condition, String message) {
     if (condition is Function) {
       condition = condition();
     }
     if (!condition) {
       reportMessage(node, message);
-      throw new AssertionError();
+      return false;

[floitsch, 2014/10/16 12:23:59]

If that's not just debugging code, I would do it in a separate CL.

[Johnni Winther, 2014/10/16 13:01:26]

It is only for debugging.

     }
     return true;
   }
 
   R visitDynamicInvocation(MethodInvocation node,
                            AccessSemantics semantics) {
     return giveUp(node, 'visitDynamicInvocation of $semantics');
   }
 
   R visitLocalFunctionInvocation(MethodInvocation node,
@@ skipping 123 matching lines @@
         return visitStaticMethodAccess(node, semantics);
       case AccessKind.STATIC_PROPERTY:
         return visitStaticPropertyAccess(node, semantics);
       default:
         // Unexpected access kind.
         return giveUp(node,
             'Unexpected ${semantics} in _handlePropertyAccess.');
     }
   }
 }