Support factory methods.

frog/leg/scanner/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.
 
 /**
  * An event generating parser of Dart programs. This parser expects
  * all tokens in a linked list.
  */
 class Parser {
   final Listener listener;
@@ skipping 554 matching lines @@
       listener.handleQualified(period);
     }
     token = parseTypeVariablesOpt(token);
     Token period = null;
     if (optional('.', token)) {
       period = token;
       token = parseIdentifier(token.next);
     }
     token = parseFormalParameters(token);
     token = parseFunctionBody(token, false);
-    listener.endFactoryMethod(factoryKeyword, period);
+    listener.endFactoryMethod(factoryKeyword, period, token);
     return token.next;
   }
 
   Token parseOperatorName(Token token) {
     assert(optional('operator', token));
     Token operator = token;
     token = token.next;
     // TODO(ahe): Validate that [token] really is an operator.
     listener.handleOperatorName(operator, token);
     return token.next;
@@ skipping 815 matching lines @@
     }
     listener.handleContinueStatement(hasTarget, continueKeyword, token);
     return expectSemicolon(token);
   }
 
   Token parseEmptyStatement(Token token) {
     listener.handleEmptyStatement(token);
     return expectSemicolon(token);
   }
 }