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

runtime/bin/common.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 "bin/builtin.h"
 #include "bin/isolate_data.h"
 #include "include/dart_api.h"
 
 void FUNCTION_NAME(Common_IsBuiltinList)(Dart_NativeArguments args) {
   Dart_EnterScope();
   Dart_Handle list = Dart_GetNativeArgument(args, 0);
   Dart_Handle list_class = Dart_InstanceGetClass(list);
   ASSERT(!Dart_IsError(list_class));
 
   // Fetch the cached builtin array types for this isolate.
   IsolateData* isolate_data =
       reinterpret_cast<IsolateData*>(Dart_CurrentIsolateData());
   Dart_Handle object_array_class = isolate_data->object_array_class;
   Dart_Handle growable_object_array_class =
       isolate_data->growable_object_array_class;
   Dart_Handle immutable_array_class = isolate_data->immutable_array_class;
 
   // If we have not cached the class pointers in the isolate data,
   // look them up and cache them now.
   if (object_array_class == NULL) {
     Dart_Handle core_lib =
-        Dart_LookupLibrary(Dart_NewString("dart:core"));
+        Dart_LookupLibrary(Dart_NewStringFromCString("dart:core"));
     ASSERT(!Dart_IsError(core_lib));
     object_array_class =
-        Dart_GetClass(core_lib, Dart_NewString("_ObjectArray"));
+        Dart_GetClass(core_lib, Dart_NewStringFromCString("_ObjectArray"));
     ASSERT(!Dart_IsError(object_array_class));
     immutable_array_class =
-        Dart_GetClass(core_lib, Dart_NewString("_ImmutableArray"));
+        Dart_GetClass(core_lib, Dart_NewStringFromCString("_ImmutableArray"));
     ASSERT(!Dart_IsError(immutable_array_class));
-    growable_object_array_class =
-        Dart_GetClass(core_lib, Dart_NewString("_GrowableObjectArray"));
+    growable_object_array_class = Dart_GetClass(
+        core_lib, Dart_NewStringFromCString("_GrowableObjectArray"));
     ASSERT(!Dart_IsError(growable_object_array_class));
     // Update the cache.
     isolate_data->object_array_class =
         Dart_NewPersistentHandle(object_array_class);
     ASSERT(!Dart_IsError(isolate_data->object_array_class));
     isolate_data->growable_object_array_class =
         Dart_NewPersistentHandle(growable_object_array_class);
     ASSERT(!Dart_IsError(isolate_data->growable_object_array_class));
     isolate_data->immutable_array_class =
         Dart_NewPersistentHandle(immutable_array_class);
     ASSERT(!Dart_IsError(isolate_data->immutable_array_class));
   }
 
   bool builtin_array =
       (Dart_IdentityEquals(list_class, growable_object_array_class) ||
        Dart_IdentityEquals(list_class, object_array_class) ||
        Dart_IdentityEquals(list_class, immutable_array_class));
   Dart_SetReturnValue(args, Dart_NewBoolean(builtin_array));
   Dart_ExitScope();
 }