code: protected Expression numberlit(int opPos)
    {
  
      opPos = getFirstChildPos(opPos);
  
      return (XNumber) getTokenQueue().elementAt(getOp(opPos));
    }
docs: Compile a literal number value.
  
  @param opPos The current position in the m_opMap array.
  
  @return reference to {@link org.apache.xpath.objects.XNumber} instance.
  
  @throws TransformerException if a error occurs creating the Expression.