Resolve initializers in constructors.

frog/leg/warnings.dart

 // Copyright (c) 2011, 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.
 
 class MessageKind {
   final String template;
   const MessageKind(this.template);
 
   static final GENERIC = const MessageKind('#{1}');
 
@@ skipping 24 matching lines @@
   static final CANNOT_RESOLVE = const MessageKind(
       'cannot resolve #{1}');
   static final CANNOT_RESOLVE_TYPE = const MessageKind(
       'cannot resolve type #{1}');
   static final DUPLICATE_DEFINITION = const MessageKind(
       'duplicate definition of #{1}');
   static final NOT_A_TYPE = const MessageKind(
       '#{1} is not a type');
   static final CANNOT_FIND_CONSTRUCTOR = const MessageKind(
       'cannot find constructor #{1}');
+  static final INVALID_RECEIVER_IN_INITIALIZER = const MessageKind(
+      'only \'this\' can be used as a receiver in an initializer');

[ahe, 2011/12/19 18:07:26]

Perhaps this error message could be improved and shorten:

"'this' expected"

[karlklose, 2011/12/21 10:19:44]

Done.

+  static final DUPLICATION_INITIALIZATION = const MessageKind(

[ngeoffray, 2011/12/20 15:09:51]

DUPLICATE_INITIALIZER?

[karlklose, 2011/12/21 10:19:44]

Done.

+      'field #{1} is initialized more than once');

[ahe, 2011/12/19 18:07:26]

I'd like to see the previous place it is initialized.

[karlklose, 2011/12/21 10:19:44]

Done, but I only print the node information, not the position, because I don't
have that information available.

[ahe, 2011/12/21 12:01:58]

Why don't you have that information?

 
   toString() => template;
 }
 
 class Message {
   final kind;
   final List arguments;
   String message;
 
   Message(this.kind, this.arguments);
@@ skipping 32 matching lines @@
   String toString() => message.toString();
 }
 
 class ResolutionWarning {
   final Message message;
   ResolutionWarning.message(this.message);
   ResolutionWarning(MessageKind kind, List<Type> arguments)
     : message = new Message(kind, arguments);
   String toString() => message.toString();
 }