1. A method in a data processing system for providing client/server interaction capability in a programming language processor for executing program code, said method comprising the steps of: providing a programming language processor within said data processing system; providing a client program within said data processing system wherein said client program is comprised of program code for executing within said data processing system; providing a server program within said data processing system wherein said server program is comprised of program code for executing within said data processing system; invoking said client program; invoking said server program; from said client program, sending a request for a service to said server program; within said server program, sending a request to said client program for a service that requires access to a variable within said client program, wherein said request to said client program by said server program is sent in response to program code within said server program; within said client program, processing said request from said server program; and within said server program, processing said request from said client program in response to said access to said variable in said client program.