Justus is a tool set for Progress 4GL (ABL) Developers. It includes a simplified parser for 4GL, an API to load Profiler data and a Test Coverage Tool.
Its an Eclipse 3.5 Plugin.
It can be used to find linear paths for unit testing of any method.
The linear path covers all the child methods and till leaf level of the hierarchy.
The packages which should be covered in the path can be controlled.