예제 #1
0
  private static MethodHandle bindWithFallback(
      MethodHandle mh, RoboCallSite site, MethodHandle fallback) {
    SwitchPoint switchPoint = getInvalidator(site.getCaller());
    MethodType type = site.type();

    MethodHandle boundFallback = foldArguments(exactInvoker(type), fallback.bindTo(site));
    mh = switchPoint.guardWithTest(mh.asType(type), boundFallback);

    site.setTarget(mh);
    return mh;
  }