static Object call(Class c, String method, Object... args) ctex {
    Method m = call_findStaticMethod(c, method, args);
    m.setAccessible(true);
    return m.invoke(null, args);
  }
  
  static Object call(Object o, String method, Object... args) ctex {
    Method m = call_findMethod(o, method, args);
    m.setAccessible(true);
    return m.invoke(o, args);
  }
  
  static Method call_findMethod(Object o, String method, Object[] args) {
    // TODO: go to superclasses too
    for (Method m : o.getClass().getDeclaredMethods())
      if (m.getName().equals(method) && (m.getModifiers() & Modifier.STATIC) == 0 && m.getParameterTypes().length == args.length) // TODO: multicast
        return m;
    throw new RuntimeException("Method '" + method + "' with " + args.length + " parameter(s) not found in " + o.getClass().getName());
  }
  
  static Method call_findStaticMethod(Class<?> c, String method, Object[] args) {
    for (Method m : c.getDeclaredMethods())
      if (m.getName().equals(method) && (m.getModifiers() & Modifier.STATIC) != 0 && m.getParameterTypes().length == args.length) // TODO: multicast
        return m;
    throw new RuntimeException("Static method '" + method + "' with " + args.length + " parameter(s) not found in " + c.getName());
  }