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module Main where
import DynFlags
import Control.Monad
import Data.List
-- Verify bogus flags aren't printed on flagsForCompletion and
-- allNonDeprecatedFlags:
-- * -fwarn-
-- * -fno-warn-
--
-- Should print nothing
main :: IO ()
main = mapM_ print $ fwarnFlags (flagsForCompletion True) ++ nonDepFwarnFlags
-- Get flags beginning with -fwarn- and -fno-warn-
fwarnFlags :: [String] -> [String]
fwarnFlags = filter isFwarn
where isFwarn flag = any (flip isPrefixOf $ flag) ["-fwarn-", "-fno-warn"]
-- Get suggested flags for -fwarn-, -fno-warn-
nonDepFwarnFlags :: [String]
nonDepFwarnFlags = filter isFwarn allNonDeprecatedFlags
where isFwarn "-fwarn-" = True
isFwarn "-fno-warn-" = True
isFwarn _ = False
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