com.sun.java_cup.internal.nonassoc_action Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of org.apache.servicemix.bundles.jaxp-ri
This OSGi bundle wraps ${pkgArtifactId} ${pkgVersion} jar file.
The newest version!
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
 * [name of copyright owner]"
 * 
 * Contributor(s):
 * 
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */


package com.sun.java_cup.internal;

/** This class represents a shift/reduce nonassociative error within the 
 *  parse table.  If action_table element is assign to type
 *  nonassoc_action, it cannot be changed, and signifies that there 
 *  is a conflict between shifting and reducing a production and a
 *  terminal that shouldn't be next to each other.
 *
 * @version last updated: 7/2/96
 * @author  Frank Flannery
 */
public class nonassoc_action extends parse_action {
 
  /*-----------------------------------------------------------*/
  /*--- Constructor(s) ----------------------------------------*/
  /*-----------------------------------------------------------*/

  /** Simple constructor. 
   */
  public nonassoc_action() throws internal_error
    {
	/* don't need to set anything, since it signifies error */
    }

    /*-----------------------------------------------------------*/
  /*--- General Methods ---------------------------------------*/
  /*-----------------------------------------------------------*/

  /** Quick access to type of action. */
  public int kind() {return NONASSOC;}

  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/

  /** Equality test. */
  public boolean equals(parse_action other)
    {
      return other != null && other.kind() == NONASSOC;
    }

  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/

  /** Generic equality test. */
  public boolean equals(Object other)
    {
      if (other instanceof parse_action)
	return equals((parse_action)other);
      else
       return false;
    }

  /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/

  /** Compute a hash code. */
  public int hashCode()
    {
      /* all objects of this class hash together */
      return 0xCafe321;
    }



  /** Convert to string. */
  public String toString() 
    {
      return "NONASSOC";
    }

  /*-----------------------------------------------------------*/

}