//----------------------------------------------------
// The following code was generated by CUP v0.10k
// Wed May 03 15:15:01 NZST 2006
//----------------------------------------------------

package grammar;

import node.*;
import node.stmtNode.*;
import node.exprNode.*;
import node.exprNode.prefixNode.*;
import node.exprNode.valueNode.*;
import node.exprNode.binaryNode.*;
import node.exprNode.binaryNode.arithNode.*;
import node.exprNode.binaryNode.relationNode.*;
import text.*;
import java.io.*;
import java_cup.runtime.*;

/** CUP v0.10k generated parser.
  * @version Wed May 03 15:15:01 NZST 2006
  */
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\033\000\002\002\004\000\002\003\003\000\002\004" +
    "\002\000\002\004\004\000\002\005\006\000\002\005\010" +
    "\000\002\005\006\000\002\005\006\000\002\005\005\000" +
    "\002\005\004\000\002\005\004\000\002\006\005\000\002" +
    "\006\005\000\002\006\005\000\002\006\005\000\002\006" +
    "\005\000\002\006\005\000\002\007\005\000\002\007\005" +
    "\000\002\007\004\000\002\007\003\000\002\010\005\000" +
    "\002\010\005\000\002\010\003\000\002\011\005\000\002" +
    "\011\003\000\002\011\003" });

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

  /** Parse-action table. */
  protected static final short[][] _action_table = 
    unpackFromStrings(new String[] {
    "\000\067\000\016\002\uffff\003\uffff\022\uffff\025\uffff\027" +
    "\uffff\032\uffff\001\002\000\004\002\071\001\002\000\016" +
    "\002\000\003\006\022\013\025\012\027\011\032\010\001" +
    "\002\000\006\013\067\030\070\001\002\000\020\002\ufffe" +
    "\003\ufffe\022\ufffe\025\ufffe\027\ufffe\030\ufffe\032\ufffe\001" +
    "\002\000\004\012\064\001\002\000\016\003\uffff\022\uffff" +
    "\025\uffff\027\uffff\030\uffff\032\uffff\001\002\000\012\004" +
    "\016\007\021\031\017\032\022\001\002\000\012\004\016" +
    "\007\021\031\017\032\022\001\002\000\036\005\uffea\006" +
    "\uffea\007\uffea\010\uffea\011\uffea\013\uffea\014\uffea\015\uffea" +
    "\016\uffea\017\uffea\020\uffea\021\uffea\023\uffea\026\uffea\001" +
    "\002\000\036\005\uffed\006\uffed\007\uffed\010\032\011\031" +
    "\013\uffed\014\uffed\015\uffed\016\uffed\017\uffed\020\uffed\021" +
    "\uffed\023\uffed\026\uffed\001\002\000\012\004\016\007\021" +
    "\031\017\032\022\001\002\000\036\005\uffe8\006\uffe8\007" +
    "\uffe8\010\uffe8\011\uffe8\013\uffe8\014\uffe8\015\uffe8\016\uffe8" +
    "\017\uffe8\020\uffe8\021\uffe8\023\uffe8\026\uffe8\001\002\000" +
    "\022\006\040\007\043\014\035\015\041\016\037\017\042" +
    "\020\036\021\044\001\002\000\010\004\016\031\017\032" +
    "\022\001\002\000\036\005\uffe7\006\uffe7\007\uffe7\010\uffe7" +
    "\011\uffe7\013\uffe7\014\uffe7\015\uffe7\016\uffe7\017\uffe7\020" +
    "\uffe7\021\uffe7\023\uffe7\026\uffe7\001\002\000\004\023\024" +
    "\001\002\000\014\003\006\022\013\025\012\027\011\032" +
    "\010\001\002\000\022\002\ufffb\003\ufffb\022\ufffb\024\026" +
    "\025\ufffb\027\ufffb\030\ufffb\032\ufffb\001\002\000\014\003" +
    "\006\022\013\025\012\027\011\032\010\001\002\000\022" +
    "\002\ufffc\003\ufffc\022\ufffc\024\ufffc\025\ufffc\027\ufffc\030" +
    "\ufffc\032\ufffc\001\002\000\036\005\uffee\006\uffee\007\uffee" +
    "\010\032\011\031\013\uffee\014\uffee\015\uffee\016\uffee\017" +
    "\uffee\020\uffee\021\uffee\023\uffee\026\uffee\001\002\000\010" +
    "\004\016\031\017\032\022\001\002\000\010\004\016\031" +
    "\017\032\022\001\002\000\036\005\uffec\006\uffec\007\uffec" +
    "\010\uffec\011\uffec\013\uffec\014\uffec\015\uffec\016\uffec\017" +
    "\uffec\020\uffec\021\uffec\023\uffec\026\uffec\001\002\000\036" +
    "\005\uffeb\006\uffeb\007\uffeb\010\uffeb\011\uffeb\013\uffeb\014" +
    "\uffeb\015\uffeb\016\uffeb\017\uffeb\020\uffeb\021\uffeb\023\uffeb" +
    "\026\uffeb\001\002\000\012\004\016\007\021\031\017\032" +
    "\022\001\002\000\012\004\016\007\021\031\017\032\022" +
    "\001\002\000\012\004\016\007\021\031\017\032\022\001" +
    "\002\000\010\004\016\031\017\032\022\001\002\000\012" +
    "\004\016\007\021\031\017\032\022\001\002\000\012\004" +
    "\016\007\021\031\017\032\022\001\002\000\010\004\016" +
    "\031\017\032\022\001\002\000\012\004\016\007\021\031" +
    "\017\032\022\001\002\000\012\006\040\007\043\023\ufff1" +
    "\026\ufff1\001\002\000\036\005\uffef\006\uffef\007\uffef\010" +
    "\032\011\031\013\uffef\014\uffef\015\uffef\016\uffef\017\uffef" +
    "\020\uffef\021\uffef\023\uffef\026\uffef\001\002\000\012\006" +
    "\040\007\043\023\ufff3\026\ufff3\001\002\000\012\006\040" +
    "\007\043\023\ufff5\026\ufff5\001\002\000\036\005\ufff0\006" +
    "\ufff0\007\ufff0\010\032\011\031\013\ufff0\014\ufff0\015\ufff0" +
    "\016\ufff0\017\ufff0\020\ufff0\021\ufff0\023\ufff0\026\ufff0\001" +
    "\002\000\012\006\040\007\043\023\ufff4\026\ufff4\001\002" +
    "\000\012\006\040\007\043\023\ufff2\026\ufff2\001\002\000" +
    "\012\006\040\007\043\023\ufff6\026\ufff6\001\002\000\010" +
    "\005\056\006\040\007\043\001\002\000\036\005\uffe9\006" +
    "\uffe9\007\uffe9\010\uffe9\011\uffe9\013\uffe9\014\uffe9\015\uffe9" +
    "\016\uffe9\017\uffe9\020\uffe9\021\uffe9\023\uffe9\026\uffe9\001" +
    "\002\000\004\026\060\001\002\000\014\003\006\022\013" +
    "\025\012\027\011\032\010\001\002\000\022\002\ufffa\003" +
    "\ufffa\022\ufffa\024\ufffa\025\ufffa\027\ufffa\030\ufffa\032\ufffa" +
    "\001\002\000\016\003\006\022\013\025\012\027\011\030" +
    "\063\032\010\001\002\000\022\002\ufff9\003\ufff9\022\ufff9" +
    "\024\ufff9\025\ufff9\027\ufff9\030\ufff9\032\ufff9\001\002\000" +
    "\012\004\016\007\021\031\017\032\022\001\002\000\010" +
    "\006\040\007\043\013\066\001\002\000\022\002\ufffd\003" +
    "\ufffd\022\ufffd\024\ufffd\025\ufffd\027\ufffd\030\ufffd\032\ufffd" +
    "\001\002\000\022\002\ufff8\003\ufff8\022\ufff8\024\ufff8\025" +
    "\ufff8\027\ufff8\030\ufff8\032\ufff8\001\002\000\022\002\ufff7" +
    "\003\ufff7\022\ufff7\024\ufff7\025\ufff7\027\ufff7\030\ufff7\032" +
    "\ufff7\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\067\000\006\003\003\004\004\001\001\000\002\001" +
    "\001\000\004\005\006\001\001\000\002\001\001\000\002" +
    "\001\001\000\002\001\001\000\004\004\061\001\001\000" +
    "\012\006\056\007\017\010\014\011\013\001\001\000\012" +
    "\006\022\007\017\010\014\011\013\001\001\000\002\001" +
    "\001\000\002\001\001\000\010\007\054\010\014\011\013" +
    "\001\001\000\002\001\001\000\002\001\001\000\006\010" +
    "\027\011\013\001\001\000\002\001\001\000\002\001\001" +
    "\000\004\005\024\001\001\000\002\001\001\000\004\005" +
    "\026\001\001\000\002\001\001\000\002\001\001\000\004" +
    "\011\033\001\001\000\004\011\032\001\001\000\002\001" +
    "\001\000\002\001\001\000\010\007\053\010\014\011\013" +
    "\001\001\000\010\007\052\010\014\011\013\001\001\000" +
    "\010\007\051\010\014\011\013\001\001\000\006\010\050" +
    "\011\013\001\001\000\010\007\047\010\014\011\013\001" +
    "\001\000\010\007\046\010\014\011\013\001\001\000\006" +
    "\010\045\011\013\001\001\000\010\007\044\010\014\011" +
    "\013\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\002\001\001\000\002\001\001" +
    "\000\002\001\001\000\002\001\001\000\004\005\060\001" +
    "\001\000\002\001\001\000\004\005\006\001\001\000\002" +
    "\001\001\000\010\007\064\010\014\011\013\001\001\000" +
    "\002\001\001\000\002\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 26: // Factor ::= IDENT 
            {
              ExprNode RESULT = null;
		int identleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int identright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		String ident = (String)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new IdentNode( ident );
		
              CUP$parser$result = new java_cup.runtime.Symbol(7/*Factor*/, ((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 25: // Factor ::= NUMBER 
            {
              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 NumberNode( new Integer( value ) );
		
              CUP$parser$result = new java_cup.runtime.Symbol(7/*Factor*/, ((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 24: // Factor ::= LEFT Expr RIGHT 
            {
              ExprNode RESULT = null;
		int exprleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int exprright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		ExprNode expr = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		
		RESULT = expr;
		
              CUP$parser$result = new java_cup.runtime.Symbol(7/*Factor*/, ((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 23: // Term ::= Factor 
            {
              ExprNode RESULT = null;
		int factorleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int factorright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode factor = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = factor;
		
              CUP$parser$result = new java_cup.runtime.Symbol(6/*Term*/, ((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 22: // Term ::= Term DIVIDE Factor 
            {
              ExprNode RESULT = null;
		int termleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int termright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		ExprNode term = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int factorleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int factorright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode factor = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new DivideNode( term, factor );
		
              CUP$parser$result = new java_cup.runtime.Symbol(6/*Term*/, ((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: // Term ::= Term TIMES Factor 
            {
              ExprNode RESULT = null;
		int termleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int termright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		ExprNode term = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int factorleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int factorright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode factor = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new TimesNode( term, factor );
		
              CUP$parser$result = new java_cup.runtime.Symbol(6/*Term*/, ((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: // Expr ::= Term 
            {
              ExprNode RESULT = null;
		int termleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int termright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode term = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = term;
		
              CUP$parser$result = new java_cup.runtime.Symbol(5/*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 19: // Expr ::= MINUS Term 
            {
              ExprNode RESULT = null;
		int termleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int termright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode term = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new NegateNode( term );
		
              CUP$parser$result = new java_cup.runtime.Symbol(5/*Expr*/, ((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 18: // Expr ::= Expr MINUS Term 
            {
              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 termleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int termright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode term = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new MinusNode( expr, term );
		
              CUP$parser$result = new java_cup.runtime.Symbol(5/*Expr*/, ((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 17: // Expr ::= Expr PLUS Term 
            {
              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 termleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int termright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode term = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new PlusNode( expr, term );
		
              CUP$parser$result = new java_cup.runtime.Symbol(5/*Expr*/, ((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: // BoolExpr ::= Expr NE Expr 
            {
              ExprNode RESULT = null;
		int expr1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int expr1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		ExprNode expr1 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int expr2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int expr2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode expr2 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new NotEqualNode( expr1, expr2 );
		
              CUP$parser$result = new java_cup.runtime.Symbol(4/*BoolExpr*/, ((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 15: // BoolExpr ::= Expr EQ Expr 
            {
              ExprNode RESULT = null;
		int expr1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int expr1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		ExprNode expr1 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int expr2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int expr2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode expr2 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new EqualNode( expr1, expr2 );
		
              CUP$parser$result = new java_cup.runtime.Symbol(4/*BoolExpr*/, ((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 14: // BoolExpr ::= Expr GE Expr 
            {
              ExprNode RESULT = null;
		int expr1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int expr1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		ExprNode expr1 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int expr2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int expr2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode expr2 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new GreaterEqualNode( expr1, expr2 );
		
              CUP$parser$result = new java_cup.runtime.Symbol(4/*BoolExpr*/, ((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 13: // BoolExpr ::= Expr GT Expr 
            {
              ExprNode RESULT = null;
		int expr1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int expr1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		ExprNode expr1 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int expr2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int expr2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode expr2 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new GreaterThanNode( expr1, expr2 );
		
              CUP$parser$result = new java_cup.runtime.Symbol(4/*BoolExpr*/, ((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 12: // BoolExpr ::= Expr LE Expr 
            {
              ExprNode RESULT = null;
		int expr1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int expr1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		ExprNode expr1 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int expr2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int expr2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode expr2 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new LessEqualNode( expr1, expr2 );
		
              CUP$parser$result = new java_cup.runtime.Symbol(4/*BoolExpr*/, ((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 11: // BoolExpr ::= Expr LT Expr 
            {
              ExprNode RESULT = null;
		int expr1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int expr1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		ExprNode expr1 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int expr2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int expr2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		ExprNode expr2 = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new LessThanNode( expr1, expr2 );
		
              CUP$parser$result = new java_cup.runtime.Symbol(4/*BoolExpr*/, ((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: // Stmt ::= error RIGHTCURLY 
            {
              StmtNode RESULT = null;
		
		RESULT = new ErrorStmtNode();
		
              CUP$parser$result = new java_cup.runtime.Symbol(3/*Stmt*/, ((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 9: // Stmt ::= error SEMICOLON 
            {
              StmtNode RESULT = null;
		
		RESULT = new ErrorStmtNode();
		
              CUP$parser$result = new java_cup.runtime.Symbol(3/*Stmt*/, ((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 8: // Stmt ::= LEFTCURLY StmtList RIGHTCURLY 
            {
              StmtNode RESULT = null;
		int stmtListleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int stmtListright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		StmtListNode stmtList = (StmtListNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		
		RESULT = new CompoundStmtNode( stmtList );
		
              CUP$parser$result = new java_cup.runtime.Symbol(3/*Stmt*/, ((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: // Stmt ::= WHILE BoolExpr DO Stmt 
            {
              StmtNode 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 stmt1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int stmt1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		StmtNode stmt1 = (StmtNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new WhileStmtNode( expr, stmt1 );
		
              CUP$parser$result = new java_cup.runtime.Symbol(3/*Stmt*/, ((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 6: // Stmt ::= IF BoolExpr THEN Stmt 
            {
              StmtNode 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 stmt1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int stmt1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		StmtNode stmt1 = (StmtNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new IfThenStmtNode( expr, stmt1 );
		
              CUP$parser$result = new java_cup.runtime.Symbol(3/*Stmt*/, ((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 5: // Stmt ::= IF BoolExpr THEN Stmt ELSE Stmt 
            {
              StmtNode RESULT = null;
		int exprleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-4)).left;
		int exprright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-4)).right;
		ExprNode expr = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-4)).value;
		int stmt1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
		int stmt1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
		StmtNode stmt1 = (StmtNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
		int stmt2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int stmt2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		StmtNode stmt2 = (StmtNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new IfThenElseStmtNode( expr, stmt1, stmt2 );
		
              CUP$parser$result = new java_cup.runtime.Symbol(3/*Stmt*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-5)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
            }
          return CUP$parser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 4: // Stmt ::= IDENT ASSIGN Expr SEMICOLON 
            {
              StmtNode RESULT = null;
		int identleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-3)).left;
		int identright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-3)).right;
		String ident = (String)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-3)).value;
		int exprleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int exprright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		ExprNode expr = (ExprNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		
		RESULT = new AssignStmtNode( ident, expr );
		
              CUP$parser$result = new java_cup.runtime.Symbol(3/*Stmt*/, ((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 3: // StmtList ::= StmtList Stmt 
            {
              StmtListNode RESULT = null;
		int stmtListleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
		int stmtListright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
		StmtListNode stmtList = (StmtListNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
		int stmtleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int stmtright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		StmtNode stmt = (StmtNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		stmtList.addElement( stmt );
		RESULT = stmtList;
		
              CUP$parser$result = new java_cup.runtime.Symbol(2/*StmtList*/, ((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 2: // StmtList ::= 
            {
              StmtListNode RESULT = null;
		
		RESULT = new StmtListNode();
		
              CUP$parser$result = new java_cup.runtime.Symbol(2/*StmtList*/, ((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 1: // Program ::= StmtList 
            {
              ProgramNode RESULT = null;
		int stmtListleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
		int stmtListright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
		StmtListNode stmtList = (StmtListNode)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
		
		RESULT = new ProgramNode( stmtList );
		
              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");

        }
    }
}