//----------------------------------------------------
// The following code was generated by CUP v0.10k
// Thu Jan 04 09:34:04 NZDT 2007
//----------------------------------------------------

package grammar;

import java.io.*;
import java.util.*;
import java_cup.runtime.*;
import node.*;
import node.clauseNode.*;
import node.exprNode.*;
import text.*;

/** CUP v0.10k generated parser.
  * @version Thu Jan 04 09:34:04 NZDT 2007
  */
public class parser extends java_cup.runtime.lr_parser {

  /** Default constructor. */
  public parser() {super();}

  /** Constructor which sets the default scanner. */
  public parser(java_cup.runtime.Scanner s) {super(s);}

  /** Production table. */
  protected static final short _production_table[][] = 
    unpackFromStrings(new String[] {
    "\000\027\000\002\002\004\000\002\003\003\000\002\004" +
    "\004\000\002\004\003\000\002\005\004\000\002\005\006" +
    "\000\002\005\004\000\002\006\003\000\002\006\005\000" +
    "\002\007\006\000\002\010\003\000\002\010\005\000\002" +
    "\011\003\000\002\011\003\000\002\011\003\000\002\011" +
    "\003\000\002\011\003\000\002\012\005\000\002\013\003" +
    "\000\002\013\002\000\002\014\003\000\002\014\005\000" +
    "\002\014\005" });

  /** Access to production table. */
  public short[][] production_table() {return _production_table;}

  /** Parse-action table. */
  protected static final short[][] _action_table = 
    unpackFromStrings(new String[] {
    "\000\045\000\006\003\007\016\011\001\002\000\004\002" +
    "\047\001\002\000\006\005\041\006\040\001\002\000\010" +
    "\002\000\003\007\016\011\001\002\000\004\005\036\001" +
    "\002\000\010\002\ufffe\003\ufffe\016\ufffe\001\002\000\004" +
    "\010\012\001\002\000\012\012\022\015\017\016\020\017" +
    "\021\001\002\000\012\007\ufff2\011\ufff2\013\ufff2\014\ufff2" +
    "\001\002\000\006\007\033\011\034\001\002\000\012\007" +
    "\ufff1\011\ufff1\013\ufff1\014\ufff1\001\002\000\006\007\ufff7" +
    "\011\ufff7\001\002\000\012\007\ufff5\011\ufff5\013\ufff5\014" +
    "\ufff5\001\002\000\014\007\ufff4\010\012\011\ufff4\013\ufff4" +
    "\014\ufff4\001\002\000\012\007\ufff3\011\ufff3\013\ufff3\014" +
    "\ufff3\001\002\000\014\012\022\013\uffee\015\017\016\020" +
    "\017\021\001\002\000\004\013\032\001\002\000\010\007" +
    "\026\013\uffed\014\027\001\002\000\004\013\uffef\001\002" +
    "\000\012\012\022\015\017\016\020\017\021\001\002\000" +
    "\012\012\022\015\017\016\020\017\021\001\002\000\004" +
    "\013\uffeb\001\002\000\004\013\uffec\001\002\000\012\007" +
    "\ufff0\011\ufff0\013\ufff0\014\ufff0\001\002\000\012\012\022" +
    "\015\017\016\020\017\021\001\002\000\016\005\ufff8\006" +
    "\ufff8\007\ufff8\011\ufff8\013\ufff8\014\ufff8\001\002\000\006" +
    "\007\ufff6\011\ufff6\001\002\000\010\002\ufffb\003\ufffb\016" +
    "\ufffb\001\002\000\010\002\uffff\003\uffff\016\uffff\001\002" +
    "\000\004\016\011\001\002\000\010\002\ufffd\003\ufffd\016" +
    "\ufffd\001\002\000\006\005\ufffa\007\ufffa\001\002\000\006" +
    "\005\045\007\044\001\002\000\004\016\011\001\002\000" +
    "\010\002\ufffc\003\ufffc\016\ufffc\001\002\000\006\005\ufff9" +
    "\007\ufff9\001\002\000\004\002\001\001\002" });

  /** Access to parse-action table. */
  public short[][] action_table() {return _action_table;}

  /** <code>reduce_goto</code> table. */
  protected static final short[][] _reduce_table = 
    unpackFromStrings(new String[] {
    "\000\045\000\012\003\003\004\005\005\007\007\004\001" +
    "\001\000\002\001\001\000\002\001\001\000\006\005\036" +
    "\007\004\001\001\000\002\001\001\000\002\001\001\000" +
    "\002\001\001\000\012\007\012\010\013\011\015\012\014" +
    "\001\001\000\002\001\001\000\002\001\001\000\002\001" +
    "\001\000\002\001\001\000\002\001\001\000\002\001\001" +
    "\000\002\001\001\000\014\007\012\011\023\012\014\013" +
    "\022\014\024\001\001\000\002\001\001\000\002\001\001" +
    "\000\002\001\001\000\012\007\012\011\023\012\014\014" +
    "\030\001\001\000\010\007\012\011\027\012\014\001\001" +
    "\000\002\001\001\000\002\001\001\000\002\001\001\000" +
    "\010\007\012\011\034\012\014\001\001\000\002\001\001" +
    "\000\002\001\001\000\002\001\001\000\002\001\001\000" +
    "\006\006\042\007\041\001\001\000\002\001\001\000\002" +
    "\001\001\000\002\001\001\000\004\007\045\001\001\000" +
    "\002\001\001\000\002\001\001\000\002\001\001" });

  /** Access to <code>reduce_goto</code> table. */
  public short[][] reduce_table() {return _reduce_table;}

  /** Instance of action encapsulation class. */
  protected CUP$parser$actions action_obj;

  /** Action encapsulation object initializer. */
  protected void init_actions()
    {
      action_obj = new CUP$parser$actions(this);
    }

  /** Invoke a user supplied parse action. */
  public java_cup.runtime.Symbol do_action(
    int                        act_num,
    java_cup.runtime.lr_parser parser,
    java.util.Stack            stack,
    int                        top)
    throws java.lang.Exception
  {
    /* call code in generated class */
    return action_obj.CUP$parser$do_action(act_num, parser, stack, top);
  }

  /** Indicates start state. */
  public int start_state() {return 0;}
  /** Indicates start production. */
  public int start_production() {return 0;}

  /** <code>EOF</code> Symbol index. */
  public int EOF_sym() {return 0;}

  /** <code>error</code> Symbol index. */
  public int error_sym() {return 1;}


  /** Scan to get the next Symbol. */
  public java_cup.runtime.Symbol scan()
    throws java.lang.Exception
    {

	return  lexer.yylex();
	
    }



	private Yylex lexer;
	private File file;

	public parser( File file ) {
		this();
		this.file = file;
		try {
			lexer = new Yylex( new FileReader( file ) );
			}
		catch ( IOException exception ) {
			throw new Error( "Unable to open file \"" + file + "\"" );
			}
		}

	public String terminal_name( int id ) {
		return sym.terminal_name( id );
		}

	public String non_terminal_name( int id ) {
		return sym.non_terminal_name( id );
		}

	public String rule_name( int id ) {
		return sym.rule_name( id );
		}

	public void report_error( String message, Object info ) {
		Print.error().println( file + " ( " + lexer.lineNumber() + " ): " + message );
		try {
			if ( info instanceof Symbol ) {
				Symbol symbol = ( Symbol ) info;
				printText( symbol.left, symbol.right );
				}
			}
		catch ( IOException e ) {
			}
		}

	private void printText( int left, int right ) throws IOException {
		Reader sourceReader = new FileReader( file );
		int veryLeft = Math.max( left - 50, 0 ),
			veryRight = Math.min( right + 20, ( int ) file.length() );
		char[] text = new char[ veryRight - veryLeft ];
		char[] underline = new char[ veryRight - veryLeft ];
		sourceReader.skip( veryLeft );
		sourceReader.read( text );
		for ( int i = 0; i < text.length; i++ ) {
			if ( text[ i ] < ' ' ) {
				text[ i ] = '|';
				underline[ i ] = '|';
				}
			else
				underline[ i ] = ' ';
			if ( left <= veryLeft + i && veryLeft + i < right )
				underline[ i ] = '^';
			}
		printLine( text );
		printLine( underline );
		}

	private static void printLine( char[] text ) {
		for ( int i = 0; i < text.length; i++ )
			Print.error().print( text[ i ] );
		Print.error().println();
		}

	public void syntax_error( Symbol currToken ) {
		report_error( "Syntax Error", currToken );
		}
	
}

/** Cup generated class to encapsulate user supplied action code.*/
class CUP$parser$actions {
  private final parser parser;

  /** Constructor */
  CUP$parser$actions(parser parser) {
    this.parser = parser;
  }

  /** Method with the actual generated action code. */
  public final java_cup.runtime.Symbol CUP$parser$do_action(
    int                        CUP$parser$act_num,
    java_cup.runtime.lr_parser CUP$parser$parser,
    java.util.Stack            CUP$parser$stack,
    int                        CUP$parser$top)
    throws java.lang.Exception
    {
      /* Symbol object for return from actions */
      java_cup.runtime.Symbol CUP$parser$result;

      /* select the action based on the action number */
      switch (CUP$parser$act_num)
        {
          /*. . . . . . . . . . . . . . . . . . . .*/
          case 22: // ElementList ::= Expr BAR Expr 
            {
              ExprNode RESULT = null;
		int exprleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int exprright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		ExprNode expr = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int tailleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int tailright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode tail = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new NonEmptyListNode( expr, tail );
		
              CUP$parser$result = new java_cup.runtime.Symbol(10/*ElementList*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 21: // ElementList ::= Expr COMMA ElementList 
            {
              ExprNode RESULT = null;
		int exprleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int exprright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		ExprNode expr = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int elementListleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int elementListright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode elementList = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new NonEmptyListNode( expr, elementList );
		
              CUP$parser$result = new java_cup.runtime.Symbol(10/*ElementList*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 20: // ElementList ::= Expr 
            {
              ExprNode RESULT = null;
		int exprleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int exprright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode expr = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new NonEmptyListNode( expr, new EmptyListNode() );
		
              CUP$parser$result = new java_cup.runtime.Symbol(10/*ElementList*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 19: // ElementListOpt ::= 
            {
              ExprNode RESULT = null;
		
		RESULT = new EmptyListNode();
		
              CUP$parser$result = new java_cup.runtime.Symbol(9/*ElementListOpt*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 18: // ElementListOpt ::= ElementList 
            {
              ExprNode RESULT = null;
		int elementListleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int elementListright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode elementList = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = elementList;
		
              CUP$parser$result = new java_cup.runtime.Symbol(9/*ElementListOpt*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 17: // List ::= LEFTSQ ElementListOpt RIGHTSQ 
            {
              ExprNode RESULT = null;
		int elementListleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int elementListright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		ExprNode elementList = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		
		RESULT = elementList;
		
              CUP$parser$result = new java_cup.runtime.Symbol(8/*List*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 16: // Expr ::= List 
            {
              ExprNode RESULT = null;
		int listleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int listright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode list = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = list;
		
              CUP$parser$result = new java_cup.runtime.Symbol(7/*Expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 15: // Expr ::= Structure 
            {
              ExprNode RESULT = null;
		int structureleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int structureright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		StructureNode structure = (StructureNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = structure;
		
              CUP$parser$result = new java_cup.runtime.Symbol(7/*Expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 14: // Expr ::= VARIABLE 
            {
              ExprNode RESULT = null;
		int nameleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int nameright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		String name = (String)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new VariableNode( name );
		
              CUP$parser$result = new java_cup.runtime.Symbol(7/*Expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 13: // Expr ::= NAME 
            {
              ExprNode RESULT = null;
		int nameleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int nameright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		String name = (String)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new NameNode( name );
		
              CUP$parser$result = new java_cup.runtime.Symbol(7/*Expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 12: // Expr ::= INTVALUE 
            {
              ExprNode RESULT = null;
		int valueleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int valueright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		String value = (String)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new IntValueNode( new Integer( value ).intValue() );
		
              CUP$parser$result = new java_cup.runtime.Symbol(7/*Expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 11: // ExprList ::= ExprList COMMA Expr 
            {
              ExprListNode RESULT = null;
		int exprListleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int exprListright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		ExprListNode exprList = (ExprListNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int exprleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int exprright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode expr = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		exprList.addElement( expr );
		RESULT = exprList;
		
              CUP$parser$result = new java_cup.runtime.Symbol(6/*ExprList*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 10: // ExprList ::= Expr 
            {
              ExprListNode RESULT = null;
		int exprleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int exprright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode expr = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new ExprListNode( expr );
		
              CUP$parser$result = new java_cup.runtime.Symbol(6/*ExprList*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 9: // Structure ::= NAME LEFT ExprList RIGHT 
            {
              StructureNode RESULT = null;
		int nameleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-3)).left;
		int nameright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-3)).right;
		String name = (String)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-3)).value;
		int exprListleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int exprListright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		ExprListNode exprList = (ExprListNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		
		RESULT = new StructureNode( name, exprList );
		
              CUP$parser$result = new java_cup.runtime.Symbol(5/*Structure*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-3)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 8: // StructureList ::= StructureList COMMA Structure 
            {
              StructureListNode RESULT = null;
		int structureListleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int structureListright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		StructureListNode structureList = (StructureListNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int structureleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int structureright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		StructureNode structure = (StructureNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		structureList.addElement( structure );
		RESULT = structureList;
		
              CUP$parser$result = new java_cup.runtime.Symbol(4/*StructureList*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 7: // StructureList ::= Structure 
            {
              StructureListNode RESULT = null;
		int structureleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int structureright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		StructureNode structure = (StructureNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new StructureListNode( structure );
		
              CUP$parser$result = new java_cup.runtime.Symbol(4/*StructureList*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 6: // Clause ::= error DOT 
            {
              ClauseNode RESULT = null;
		
		RESULT = new ErrorClauseNode();
		
              CUP$parser$result = new java_cup.runtime.Symbol(3/*Clause*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 5: // Clause ::= Structure EXPANDSTO StructureList DOT 
            {
              ClauseNode RESULT = null;
		int headleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-3)).left;
		int headright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-3)).right;
		StructureNode head = (StructureNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-3)).value;
		int tailleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int tailright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		StructureListNode tail = (StructureListNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		
		RESULT = new RuleNode( head, tail );
		
              CUP$parser$result = new java_cup.runtime.Symbol(3/*Clause*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-3)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 4: // Clause ::= Structure DOT 
            {
              ClauseNode RESULT = null;
		int headleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int headright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		StructureNode head = (StructureNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		
		RESULT = new FactNode( head );
		
              CUP$parser$result = new java_cup.runtime.Symbol(3/*Clause*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 3: // ClauseList ::= Clause 
            {
              ClauseListNode RESULT = null;
		int clauseleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int clauseright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ClauseNode clause = (ClauseNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new ClauseListNode( clause );
		
              CUP$parser$result = new java_cup.runtime.Symbol(2/*ClauseList*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 2: // ClauseList ::= ClauseList Clause 
            {
              ClauseListNode RESULT = null;
		int clauseListleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int clauseListright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		ClauseListNode clauseList = (ClauseListNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		int clauseleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int clauseright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ClauseNode clause = (ClauseNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		clauseList.addElement( clause );
		RESULT = clauseList;
		
              CUP$parser$result = new java_cup.runtime.Symbol(2/*ClauseList*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 1: // Program ::= ClauseList 
            {
              ProgramNode RESULT = null;
		int clauseListleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int clauseListright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ClauseListNode clauseList = (ClauseListNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new ProgramNode( clauseList );
		
              CUP$parser$result = new java_cup.runtime.Symbol(1/*Program*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 0: // $START ::= Program EOF 
            {
              Object RESULT = null;
		int start_valleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int start_valright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		ProgramNode start_val = (ProgramNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		RESULT = start_val;
              CUP$parser$result = new java_cup.runtime.Symbol(0/*$START*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          /* ACCEPT */
          CUP$parser$parser.done_parsing();
          return CUP$parser$result;

          /* . . . . . .*/
          default:
            throw new Exception(
               "Invalid action number found in internal parse table");

        }
    }
}