Program family for extended pretty printer

Abstract

This thesis presents a design and partial implementation cf a program family cf extended pretty printers. Factors that influence the readability (perception) and understandability (cognition) of computer programs are indennifisd, previous work is reviewed, and new solutions are suggested. Extensicns to the previous pretty printer designs includa a capability to selectively display levels of control of a program. In order to accommodate different computer languages and to allow for several secondary functions, a family of pretty printers is designed. This design facilitates easy extension, contraction and modification.