} else {
fprintf(priv->f, " node: {title: \"n%u_%u\" label: \"%s%s n%u\" }\n",
priv->pattern_id, id, get_id_str(op->name), mode ? get_mode_name(mode) : "", id);
} else {
fprintf(priv->f, " node: {title: \"n%u_%u\" label: \"%s%s n%u\" }\n",
priv->pattern_id, id, get_id_str(op->name), mode ? get_mode_name(mode) : "", id);