> Is anyone aware of a code-coverage tool for Haskell, specifically one
> that works/uses the ghc?
>
> I've been trying to use the profiling information for my purpose but
> would much prefer there to be a specialized tool that:
>
> (i) provides "line" coverage information in the sense that it
> distinguishes e.g. case handling and if/then/else.
> (ii) projects the coverage information onto the source code
There isn't such a tool that I know of. Building one would make a good
student project, though!
The profiling system could be persuaded to do coarse code coverage
analysis without too much difficulty. With -auto-all we get cost
centres attached to every top-level function, and it's simply a matter
of comparing the full set of cost centres against the profile generated
by running the program. The complete set of cost centres could be
obtained in a hacky way by examining object files.
Cheers,
Simon
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