    // @(#)root/meta:$Name:  $:$Id: TInterpreter.cxx,v 1.3 2003/12/12 15:23:28 rdm Exp $
    // Author: Fons Rademakers   01/03/96

    /*************************************************************************
     * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
     * All rights reserved.                                                  *
     *                                                                       *
     * For the licensing terms see $ROOTSYS/LICENSE.                         *
     * For the list of contributors see $ROOTSYS/README/CREDITS.             *
     *************************************************************************/

    //////////////////////////////////////////////////////////////////////////
    //                                                                      //
    // TInterpreter                                                         //
    //                                                                      //
    // This class defines an abstract interface to a generic command line   //
    // interpreter.                                                         //
    //                                                                      //
    //////////////////////////////////////////////////////////////////////////

    #include "TInterpreter.h"

    TInterpreter*   (*gPtr2Interpreter)() = 0; // returns pointer to global object

    ClassImp(TInterpreter)

    //______________________________________________________________________________
    TInterpreter::TInterpreter(const char *name, const char *title)
        : TNamed(name, title)
    {
       // TInterpreter ctor only called by derived classes.

       gInterpreter = this;
    }

    //______________________________________________________________________________
     TInterpreter *&TInterpreter::Instance()
    {
       // returns gInterpreter global

       static TInterpreter *instance = 0;
       if (gPtr2Interpreter) instance = gPtr2Interpreter();
       return instance;
    }