- Represent strings internally in UTF-16 format, this makes it

runtime/vm/object_store.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/object_store.h"
 
 #include "vm/exceptions.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
 #include "vm/raw_object.h"
@@ skipping 12 matching lines @@
     number_type_(Type::null()),
     int_type_(Type::null()),
     integer_implementation_class_(Class::null()),
     smi_class_(Class::null()),
     mint_class_(Class::null()),
     bigint_class_(Class::null()),
     double_class_(Class::null()),
     string_interface_(Type::null()),
     one_byte_string_class_(Class::null()),
     two_byte_string_class_(Class::null()),
-    four_byte_string_class_(Class::null()),
     external_one_byte_string_class_(Class::null()),
     external_two_byte_string_class_(Class::null()),
-    external_four_byte_string_class_(Class::null()),
     bool_type_(Type::null()),
     bool_class_(Class::null()),
     list_interface_(Type::null()),
     array_class_(Class::null()),
     immutable_array_class_(Class::null()),
     growable_object_array_class_(Class::null()),
     int8_array_class_(Class::null()),
     uint8_array_class_(Class::null()),
     int16_array_class_(Class::null()),
     uint16_array_class_(Class::null()),
@@ skipping 86 matching lines @@
 void ObjectStore::InitKeywordTable() {
   // Set up the keywords symbol array so that we can access it while scanning.
   Array& keywords = Array::Handle(keyword_symbols());
   ASSERT(keywords.IsNull());
   keywords = Array::New(Token::numKeywords, Heap::kOld);
   ASSERT(!keywords.IsError() && !keywords.IsNull());
   set_keyword_symbols(keywords);
 }
 
 }  // namespace dart