Rational Developer for System z
PL/I for Windows, Version 8.0, Programming Guide

Using the compiler user exit

At times, it is useful to be able to tailor the compiler to meet the needs of your organization. For example, you might want to suppress certain messages or alter the severity of others. You might want to perform a specific function with each compilation, such as logging statistical information about the compilation into a file.

A compiler user exit handles this type of functions. With PL/I, you can write your own user exit or use the exit provided with the product, either 'as is' or slightly modified depending on what you want to do with it. The purpose of this chapter is to describe:

Rational Developer for System z
PL/I for Windows, Version 8.0, Programming Guide