/vqdr/trunk

namespace VQDR.Expression {

  public class RootToken : Token {

    construct {

      this.priority = Prio.ASSIGNMENT;

      this.mandatory_num_child = 1;

      this.optional_num_child = 0;

    }

    public RootToken (Token? root = null) {

      base (0);

      this.set_child (1, root);

    }

    protected override void evaluate_self (Context instance)

                            throws GLib.Error {

      Token? child = get_child (1);

      child.evaluate (instance);

      this.result_value = child.result_value;

      this.result_max_value = child.result_max_value;

      this.result_min_value = child.result_min_value;

      this.result_string = child.result_string;

    }

  }

}