Why Coco is how it is | #SquishDays2021

This talk provides a high-level view on Coco for C and C++, describing how Coco works and why it is designed as it is. It explains why Coco must run as part of the compilation process and what it actually does when a compilation runs. This includes how Coco changes the source code during instrumentation, what is special about header files, and how the data about the code coverage are handled.