Support qualified factory names (fix issue 514).

runtime/vm/parser.cc

 // 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.
 
 #include "vm/parser.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/compiler_stats.h"
@@ skipping 2308 matching lines @@
   // Optionally parse a (possibly named) constructor name or factory.
   if ((CurrentToken() == Token::kIDENT) &&
       (CurrentLiteral()->Equals(members->class_name()) || member.has_factory)) {
     member.name = CurrentLiteral();
     member.name_pos = this->token_index_;
     ConsumeToken();
     // Resolution of the factory result type is always postponed until class
     // finalization, so that the list of type parameters in the factory
     // signature can be checked at the same time.
     if (member.has_factory) {
+      String& qualifier = String::Handle();
+      if (CurrentToken() == Token::kPERIOD) {
+        LibraryPrefix& lib_prefix = LibraryPrefix::ZoneHandle();
+        lib_prefix = current_class().LookupLibraryPrefix(*member.name);
+        if (!lib_prefix.IsNull()) {
+          // We have a library prefix qualified identifier.
+          ConsumeToken();  // Consume the kPERIOD token.
+          qualifier ^= member.name->raw();
+          member.name = ExpectIdentifier("identifier expected");
+        }
+      }
       const UnresolvedClass& unresolved_factory_class =
           UnresolvedClass::Handle(UnresolvedClass::New(member.name_pos,
-                                                       String::Handle(),
+                                                       qualifier,
                                                        *(member.name)));
       const Class& signature_class = Class::Handle(
           Class::New(String::Handle(String::NewSymbol(":factory_signature")),
                      Script::Handle()));
       signature_class.set_is_finalized();
       unresolved_factory_class.set_factory_signature_class(signature_class);
       // The type arguments of the result type are set during finalization.
       const TypeArguments& args = TypeArguments::Handle();
       member.type = &Type::ZoneHandle(
           Type::NewParameterizedType(unresolved_factory_class, args));
@@ skipping 5254 matching lines @@
 }
 
 
 void Parser::SkipNestedExpr() {
   const bool saved_mode = SetAllowFunctionLiterals(true);
   SkipExpr();
   SetAllowFunctionLiterals(saved_mode);
 }
 
 }  // namespace dart