72b70ec474
coverage: Dismantle `Instrumentor` and flatten span refinement This is a combination of two refactorings that are unrelated, but would otherwise have a merge conflict. No functional changes, other than a small tweak to debug logging as part of rearranging some functions. Ignoring whitespace is highly recommended, since most of the modified lines have just been reindented. --- The first change is to dismantle `Instrumentor` into ordinary functions. This is one of those cases where encapsulating several values into a struct ultimately hurts more than it helps. With everything stored as local variables in one main function, and passed explicitly into helper functions, it's easier to see what is used where, and make changes as necessary. --- The second change is to flatten the functions for extracting/refining coverage spans. Consolidating this code into flatter functions reduces the amount of pointer-chasing required to read and modify it. |
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