Parse metadata, but ignore it.

dart/lib/compiler/implementation/scanner/partial_parser.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 PartialParser extends Parser {
   PartialParser(Listener listener) : super(listener);
 
   Token parseClassBody(Token token) => skipClassBody(token);
 
   Token fullParseClassBody(Token token) => super.parseClassBody(token);
 
   Token parseExpression(Token token) => skipExpression(token);
 
+  Token parseArgumentsOpt(Token token) {

[ngeoffray, 2012/08/21 06:28:31]

Could you comment on why metadata needs you to add this method?

[ahe, 2012/08/21 10:49:46]

Done.

+    if (optional('(', token)) {
+      return token.endGroup.next;
+    } else {
+      return token;
+    }
+  }
+
   Token skipExpression(Token token) {
     while (true) {
       final kind = token.kind;
       final value = token.stringValue;
       if ((kind === EOF_TOKEN) ||
           (value === ';') ||
           (value === ',') ||
           (value === ']'))
         return token;
       if (value === '=') {
@@ skipping 76 matching lines @@
         return token;
       }
       return listener.unexpected(token);
     }
     BeginGroupToken beginGroupToken = token;
     Token endToken = beginGroupToken.endGroup;
     listener.endFormalParameters(0, token, endToken);
     return endToken.next;
   }
 }