public static void createReadline(Ruby runtime) throws IOException {
ConsoleHolder holder = new ConsoleHolder();
holder.history = new ReadlineHistory();
holder.currentCompletor = null;
COMPLETION_CASE_FOLD = runtime.getNil();
RubyModule mReadline = runtime.defineModule("Readline");
mReadline.dataWrapStruct(holder);
mReadline.defineAnnotatedMethods(Readline.class);
IRubyObject hist = runtime.getObject().callMethod(runtime.getCurrentContext(), "new");
mReadline.fastSetConstant("HISTORY", hist);
hist.getSingletonClass().includeModule(runtime.getEnumerable());
hist.getSingletonClass().defineAnnotatedMethods(HistoryMethods.class);
// MRI does similar thing on MacOS X with 'EditLine wrapper'.
mReadline.fastSetConstant("VERSION", runtime.newString("JLine wrapper"));
}
