hhp-0.0.0: lib/Hhp/Flag.hs

module Hhp.Flag where

import DynFlags

import Hhp.Types

-- | Listing GHC flags. (e.g -Wno-orphans)

listFlags :: Options -> IO String
listFlags opt = return $ convert opt options
  where
    options = expand "-f" fOptions ++ expand "-W" wOptions
    fOptions = map flagSpecName fFlags ++ map flagSpecName fLangFlags
    wOptions = map flagSpecName wWarningFlags
    expand prefix lst = [ prefix ++ no ++ option
                        | option <- lst
                        , no <- ["","no-"]
                        ]