/*
 *   call-seq:
 *      context.frame_method(frame_position=0) -> sym
 *
 *   Returns the sym of the called method.
 */
static VALUE
context_frame_id(int argc, VALUE *argv, VALUE self)
{
    VALUE frame;
    debug_context_t *debug_context;
    ID id;

    debug_check_started();
    frame = optional_frame_position(argc, argv);
    Data_Get_Struct(self, debug_context_t, debug_context);

    id = GET_FRAME->id;
    return id ? ID2SYM(id): Qnil;
}