legacy code

Untangling a Legacy MFC Codebase: One Engineer’s Refactor How Roger Swann took a sensor-testing system from unmaintainable spaghetti to a stable, object-oriented codebase, without rewriting it from scratch. When C++ developer Roger Swann took over the development of a sensor-testing software, the engineer who wrote it was no longer available to explain any of it—a situation that has been…