public ASTIntegerRange(int id) 
{
        super(id);
}

Parameters:

id -

 public ASTIntegerRange(Parser p,
    int id) 
{
        super(p, id);
}

Parameters:

p -

id -

 public Object jjtAccept(ParserVisitor visitor,
    Object data) 
{
        return visitor.visit(this, data);
}

 public Object value(InternalContextAdapter context) throws MethodInvocationException 
{
        /*
         *  get the two range ends
         */
        Object left = jjtGetChild(0).value( context );
        Object right = jjtGetChild(1).value( context );
        /*
         *  if either is null, lets log and bail
         */
        if (left == null || right == null)
        {
            log.error((left == null ? "Left" : "Right")
                           + " side of range operator [n..m] has null value."
                           + " Operation not possible. "
                           +  context.getCurrentTemplateName() + " [line " + getLine()
                           + ", column " + getColumn() + "]");
            return null;
        }
        /*
         *  if not an Integer, not much we can do either
         */
        if ( !( left instanceof Integer )  || !( right instanceof Integer ))
        {
            log.error((!(left instanceof Integer) ? "Left" : "Right")
                           + " side of range operator is not a valid type. "
                           + "Currently only integers (1,2,3...) and Integer type is supported. "
                           + context.getCurrentTemplateName() + " [line " + getLine()
                           + ", column " + getColumn() + "]");
            return null;
        }
        /*
         *  get the two integer values of the ends of the range
         */
        int l = ( (Integer) left ).intValue() ;
        int r = (  (Integer) right ).intValue();
        /*
         *  find out how many there are
         */
        int nbrElements = Math.abs( l - r );
        nbrElements += 1;
        /*
         *  Determine whether the increment is positive or negative.
         */
        int delta = ( l  >= r ) ? -1 : 1;
        /*
         * Fill the range with the appropriate values.
         */
        List elements = new ArrayList(nbrElements);
        int value = l;
        for (int i = 0; i <  nbrElements; i++)
        {
            // TODO: JDK 1.4+ - > valueOf()
            elements.add(new Integer(value));
            value += delta;
        }
        return elements;
}

does the real work. Creates an Vector of Integers with the right value range