Resolve constructors with type arguments.

dart/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 279 matching lines @@
   bool notEofOrValue(String value, Token token) {
     return token.kind !== EOF_TOKEN && value !== token.stringValue;
   }
 
   Token parseType(Token token) {
     // TODO(ahe): Rename this method to parseTypeOrVar?
     Token begin = token;
     int identifierCount = 1;
     if (isIdentifier(token)) {
       token = parseIdentifier(token);
-      while (optional('.', token)) {
-        // TODO(ahe): Validate that there are at most two identifiers.
+      if (optional('.', token)) {
         token = parseIdentifier(token.next);
         ++identifierCount;
       }
     } else {
       token = listener.expectedType(token);
     }
     token = parseTypeArgumentsOpt(token);
     listener.endType(identifierCount, begin, token);
     return token;
   }
@@ skipping 1340 matching lines @@
     }
     listener.handleContinueStatement(hasTarget, continueKeyword, token);
     return expectSemicolon(token);
   }
 
   Token parseEmptyStatement(Token token) {
     listener.handleEmptyStatement(token);
     return expectSemicolon(token);
   }
 }