/*
* ImportRef.java
*
*	An ImportRef is a member of the list of imported commands
*	which is part of the WrappedCommand class.
*
* Copyright (c) 1999 Mo DeJong.
*
* See the file "license.terms" for information on usage and
* redistribution of this file, and for a DISCLAIMER OF ALL
* WARRANTIES.
* 
* Included in SQLite3 port to C# for use in testharness only;  2008 Noah B Hart
*
* RCS @(#) $Id: ImportRef.java,v 1.1 1999/08/05 03:42:49 mo Exp $
*/
using System;
namespace tcl.lang
{

  /// <summary> An imported command is created in an namespace when it imports a "real"
  /// command from another namespace. An imported command has a Command
  /// structure that points (via its ClientData value) to the "real" Command
  /// structure in the source namespace's command table. The real command
  /// records all the imported commands that refer to it in a list of ImportRef
  /// structures so that they can be deleted when the real command is deleted.
  /// </summary>

  class ImportRef
  {
    internal WrappedCommand importedCmd; // Points to the imported command created in
    // an importing namespace; this command
    // redirects its invocations to the "real" cmd.    
    internal ImportRef next; // Next element on the linked list of
    // imported commands that refer to the
    // "real" command. The real command deletes
    // these imported commands on this list when
    // it is deleted.
  }
}