Hide internal details of VM string implementation.

runtime/vm/parser.cc

 // Copyright (c) 2012, 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 1267 matching lines @@
     *is_no_such_method = false;
   }
   CheckFunctionIsCallable(token_pos, super_func);
   return super_func.raw();
 }
 
 
 // Lookup class in the corelib implementation which contains various VM
 // helper methods and classes.
 static RawClass* LookupImplClass(const String& class_name) {
-  return Library::Handle(Library::CoreImplLibrary()).LookupClass(class_name);
+  Library& coreimpl = Library::Handle(Library::CoreImplLibrary());
+  return coreimpl.LookupClassAllowPrivate(class_name);
 }
 
 
 // Lookup class in the coreimpl lib which also contains various VM
 // helper methods and classes. Allow look up of private classes.
 static RawClass* LookupCoreImplClass(const String& class_name) {
   const Library& coreimpl_lib = Library::Handle(Library::CoreImplLibrary());
   String& name = String::Handle(class_name.raw());
   if (class_name.CharAt(0) == Scanner::kPrivateIdentifierStart) {
     // Private identifiers are mangled on a per script basis.
@@ skipping 8401 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart