/*
 * Copyright (c) 2007 BUSINESS OBJECTS SOFTWARE LIMITED
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
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 *       this list of conditions and the following disclaimer.
 *  
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *  
 *     * Neither the name of Business Objects nor the names of its contributors
 *       may be used to endorse or promote products derived from this software
 *       without specific prior written permission.
 *  
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 */


/*
 * RTCAF
 * Created: July 29th, 2003 11:24:48 AM
 * By: RCypher  
 */

package org.openquark.cal.internal.runtime.lecc;



/**
 * @author Raymond Cypher
 *
 * This class is the base class for constant applicative forms (CAFs).
 * A CAF is a zero arity function that will return the same value each time
 * it is reduced.  Currently CAFs are zero arity non-foreign CAL functions.
 */
public abstract class RTCAF extends RTSupercombinator {
    // At this point in time RTCAF is primarily a place holder.
    // It allows the generated code to differentiate between
    // constant applicative forms and general supercombinators.
    // This is mostly used to make freeing cached results easier.
    // I also allows a location for future functionality that is 
    // specific to CAFs and not applicable to zero arity functions
    // in general.
    
}