Creating a CodeDOM: Modeling the Semantics of Code (Part 2)

// The Nova Project by Ken Beckett.
// Copyright (C) 2007-2012 Inevitable Software, all rights reserved.
// Released under the Common Development and Distribution License, CDDL-1.0: http://opensource.org/licenses/cddl1.php

namespace Nova.CodeDOM
{
    /// <summary>
    /// Represents a reference to the current object instance.
    /// </summary>
    public class ThisRef : SelfRef
    {
        #region /* CONSTRUCTORS */

        /// <summary>
        /// Create a <see cref="BaseRef"/>.
        /// </summary>
        public ThisRef(bool isFirstOnLine)
            : base(isFirstOnLine)
        { }

        /// <summary>
        /// Create a <see cref="BaseRef"/>.
        /// </summary>
        public ThisRef()
            : base(false)
        { }

        #endregion

        #region /* PROPERTIES */

        /// <summary>
        /// The name of the <see cref="SymbolicRef"/>.
        /// </summary>
        public override string Name
        {
            get { return "this"; }
        }

        /// <summary>
        /// The code object to which the <see cref="SymbolicRef"/> refers.
        /// </summary>
        public override object Reference
        {
            get
            {
                // Evaluate to the current type declaration, so that most properties and methods
                // will function according to it.
                return FindParent<TypeDecl>();
            }
        }

        #endregion

        #region /* RENDERING */

        /// <summary>
        /// The keyword associated with the <see cref="SelfRef"/>.
        /// </summary>
        public override string Keyword
        {
            get { return "this"; }
        }

        #endregion
    }
}