Added regex functionality to the dominators sub-command. #68
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Regex commands can now be given to the
dominators
sub-command :o)This required changing the
root_id
member of theDominatorTree
struct into aVec<ir::Id>
collection, and some minor changes to theEmit
trait logic. This generally follows the same patterns as thepaths
command, meaning that regular expressions are enabled manually using the--regex
option.Solves #59.