diff options
Diffstat (limited to 'haddock-api/src/Haddock.hs')
| -rw-r--r-- | haddock-api/src/Haddock.hs | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/haddock-api/src/Haddock.hs b/haddock-api/src/Haddock.hs index 17951068..de40d06d 100644 --- a/haddock-api/src/Haddock.hs +++ b/haddock-api/src/Haddock.hs @@ -43,7 +43,7 @@ import Haddock.Utils import Control.Monad hiding (forM_) import Control.Applicative -import Data.Foldable (forM_) +import Data.Foldable (forM_, foldl') import Data.List (isPrefixOf) import Control.Exception import Data.Maybe @@ -164,7 +164,6 @@ haddockWithGhc ghc args = handleTopExceptions $ do hPutStrLn stderr warning ghc flags' $ do - dflags <- getDynFlags forM_ (optShowInterfaceFile flags) $ \path -> liftIO $ do @@ -406,8 +405,11 @@ withGhc' libDir flags ghcActs = runGhc (Just libDir) $ do ghcMode = CompManager, ghcLink = NoLink } - let dynflags'' = updOptLevel 0 $ gopt_unset dynflags' Opt_SplitObjs - + -- We disable pattern match warnings because than can be very + -- expensive to check + let dynflags'' = unsetPatternMatchWarnings $ + updOptLevel 0 $ + gopt_unset dynflags' Opt_SplitObjs -- ignore the following return-value, which is a list of packages -- that may need to be re-linked: Haddock doesn't do any -- dynamic or static linking at all! @@ -423,6 +425,17 @@ withGhc' libDir flags ghcActs = runGhc (Just libDir) $ do then throwE ("Couldn't parse GHC options: " ++ unwords flags) else return dynflags' +unsetPatternMatchWarnings :: DynFlags -> DynFlags +unsetPatternMatchWarnings dflags = + foldl' wopt_unset dflags pattern_match_warnings + where + pattern_match_warnings = + [ Opt_WarnIncompletePatterns + , Opt_WarnIncompleteUniPatterns + , Opt_WarnIncompletePatternsRecUpd + , Opt_WarnOverlappingPatterns + ] + ------------------------------------------------------------------------------- -- * Misc ------------------------------------------------------------------------------- |