public override void VisitConstantTable(ConstantTable table)
        {
            int number = m_rows [ConstantTable.RId];

            table.Rows = new RowCollection(number);
            for (int i = 0; i < number; i++)
            {
                table.Rows.Add(new ConstantRow());
            }
        }
        public ConstantTable GetConstantTable()
        {
            ConstantTable table = m_heap [ConstantTable.RId] as ConstantTable;

            if (table != null)
            {
                return(table);
            }

            table = new ConstantTable();
            InitializeTable(table);
            return(table);
        }