From 12d931b4c3fcd6d8e26cc48b9072b4291efa5cdb Mon Sep 17 00:00:00 2001 From: David Waern Date: Sat, 4 Feb 2012 21:37:16 +0100 Subject: Mostly hlint-inspired cleanup. --- src/Haddock/Interface/Create.hs | 24 ++++++++++++------------ src/Haddock/Interface/ParseModuleHeader.hs | 6 +++--- src/Haddock/Interface/Rename.hs | 20 ++++++++++++-------- 3 files changed, 27 insertions(+), 23 deletions(-) (limited to 'src/Haddock/Interface') diff --git a/src/Haddock/Interface/Create.hs b/src/Haddock/Interface/Create.hs index 737547fd..ed51734d 100644 --- a/src/Haddock/Interface/Create.hs +++ b/src/Haddock/Interface/Create.hs @@ -350,7 +350,7 @@ warnAboutFilteredDecls mdl decls = do tell [ "Warning: " ++ modStr ++ ": Instances of type and data " ++ "families are not yet supported. Instances of the following families " - ++ "will be filtered out:\n " ++ concat (intersperse ", " + ++ "will be filtered out:\n " ++ (intercalate ", " $ map (occNameString . nameOccName) typeInstances) ] let instances = nub [ pretty i | L _ (InstD (InstDecl i _ _ ats)) <- decls @@ -359,7 +359,7 @@ warnAboutFilteredDecls mdl decls = do unless (null instances) $ tell [ "Warning: " ++ modStr ++ ": We do not support associated types in instances yet. " - ++ "These instances are affected:\n" ++ concat (intersperse ", " instances) ] + ++ "These instances are affected:\n" ++ intercalate ", " instances ] -------------------------------------------------------------------------------- @@ -371,7 +371,7 @@ warnAboutFilteredDecls mdl decls = do -- | Filter out declarations that we don't handle in Haddock filterDecls :: [(LHsDecl a, doc)] -> [(LHsDecl a, doc)] -filterDecls decls = filter (isHandled . unL . fst) decls +filterDecls = filter (isHandled . unL . fst) where isHandled (ForD (ForeignImport {})) = True isHandled (TyClD {}) = True @@ -408,10 +408,10 @@ collectDocs = go Nothing [] where go Nothing _ [] = [] go (Just prev) docs [] = finished prev docs [] - go prev docs ((L _ (DocD (DocCommentNext str))):ds) + go prev docs (L _ (DocD (DocCommentNext str)) : ds) | Nothing <- prev = go Nothing (str:docs) ds | Just decl <- prev = finished decl docs (go Nothing [str] ds) - go prev docs ((L _ (DocD (DocCommentPrev str))):ds) = go prev (str:docs) ds + go prev docs (L _ (DocD (DocCommentPrev str)) : ds) = go prev (str:docs) ds go Nothing docs (d:ds) = go (Just d) docs ds go (Just prev) docs (d:ds) = finished prev docs (go (Just d) [] ds) @@ -489,7 +489,7 @@ mkExportItems -- We should not show a subordinate by itself if any of its -- parents is also exported. See note [1]. - | not $ t `elem` declNames, + | t `notElem` declNames, Just p <- find isExported (parents t $ unL decl) -> do liftErrMsg $ tell [ "Warning: " ++ moduleString thisMod ++ ": " ++ @@ -517,7 +517,7 @@ mkExportItems mayDecl <- hiDecl t case mayDecl of Nothing -> return [ ExportNoDecl t [] ] - Just decl -> do + Just decl -> -- We try to get the subs and docs -- from the installed .haddock file for that package. case M.lookup (nameModule t) instIfaceMap of @@ -526,7 +526,7 @@ mkExportItems ["Warning: Couldn't find .haddock for export " ++ pretty t] let subs_ = [ (n, noDocForDecl) | (n, _, _) <- subordinates (unLoc decl) ] return [ mkExportDecl t decl (noDocForDecl, subs_) ] - Just iface -> do + Just iface -> return [ mkExportDecl t decl (lookupDocs t (instDocMap iface) (instArgMap iface) (instSubMap iface)) ] _ -> return [] @@ -736,9 +736,9 @@ extractRecSel nm mdl t tvs (L _ con : rest) = data_ty = foldl (\x y -> noLoc (HsAppTy x y)) (noLoc (HsTyVar t)) (map toTypeNoLoc tvs) --- Pruning +-- | Keep exprt items with docs. pruneExportItems :: [ExportItem Name] -> [ExportItem Name] -pruneExportItems items = filter hasDoc items +pruneExportItems = filter hasDoc where hasDoc (ExportDecl{expItemMbDoc = (d, _)}) = isJust d hasDoc _ = True @@ -758,12 +758,12 @@ mkVisibleNames exports opts -- | Find a stand-alone documentation comment by its name. findNamedDoc :: String -> [HsDecl Name] -> ErrMsgM (Maybe HsDocString) -findNamedDoc name decls = search decls +findNamedDoc name = search where search [] = do tell ["Cannot find documentation for: $" ++ name] return Nothing - search ((DocD (DocCommentNamed name' doc)):rest) + search (DocD (DocCommentNamed name' doc) : rest) | name == name' = return (Just doc) | otherwise = search rest search (_other_decl : rest) = search rest diff --git a/src/Haddock/Interface/ParseModuleHeader.hs b/src/Haddock/Interface/ParseModuleHeader.hs index 35533d0d..411b6661 100644 --- a/src/Haddock/Interface/ParseModuleHeader.hs +++ b/src/Haddock/Interface/ParseModuleHeader.hs @@ -137,14 +137,14 @@ parseKey key toParse0 = (spaces1,cs1) = extractLeadingSpaces cs in (c:spaces1,cs1) - | True = ([],s) + | otherwise = ([],s) extractNextLine :: String -> (String,String) extractNextLine [] = ([],[]) extractNextLine (c:cs) | c == '\n' = ([],cs) - | True = + | otherwise = let (line,rest) = extractNextLine cs in @@ -156,5 +156,5 @@ parseKey key toParse0 = extractPrefix _ [] = Nothing extractPrefix (c1:cs1) (c2:cs2) | toUpper c1 == toUpper c2 = extractPrefix cs1 cs2 - | True = Nothing + | otherwise = Nothing diff --git a/src/Haddock/Interface/Rename.hs b/src/Haddock/Interface/Rename.hs index 582c2ccd..cffe68b8 100644 --- a/src/Haddock/Interface/Rename.hs +++ b/src/Haddock/Interface/Rename.hs @@ -12,19 +12,20 @@ module Haddock.Interface.Rename (renameInterface) where -import Haddock.Types import Haddock.GhcUtils +import Haddock.Types -import GHC hiding (NoLink) -import Name import Bag (emptyBag) import BasicTypes ( IPName(..), ipNameName ) +import GHC hiding (NoLink) +import Name +import Control.Applicative +import Control.Monad hiding (mapM) import Data.List import qualified Data.Map as Map hiding ( Map ) -import Prelude hiding (mapM) import Data.Traversable (mapM) -import Control.Monad hiding (mapM) +import Prelude hiding (mapM) renameInterface :: LinkEnv -> Bool -> Interface -> ErrMsgM Interface @@ -93,6 +94,9 @@ instance Monad (GenRnM n) where (>>=) = thenRn return = returnRn +instance Functor (GenRnM n) where + fmap f x = do a <- x; return (f a) + returnRn :: a -> GenRnM n a returnRn a = RnM (const (a,[])) thenRn :: GenRnM n a -> (a -> GenRnM n b) -> GenRnM n b @@ -211,7 +215,7 @@ renameLKind = renameLType renameMaybeLKind :: Maybe (LHsKind Name) -> RnM (Maybe (LHsKind DocName)) renameMaybeLKind Nothing = return Nothing -renameMaybeLKind (Just ki) = renameLKind ki >>= return . Just +renameMaybeLKind (Just ki) = Just <$> renameLKind ki renameType :: HsType Name -> RnM (HsType DocName) renameType t = case t of @@ -241,11 +245,11 @@ renameType t = case t of HsTupleTy b ts -> return . HsTupleTy b =<< mapM renameLType ts - HsOpTy a (w, (L loc op)) b -> do + HsOpTy a (w, L loc op) b -> do op' <- rename op a' <- renameLType a b' <- renameLType b - return (HsOpTy a' (w, (L loc op')) b') + return (HsOpTy a' (w, L loc op') b') HsParTy ty -> return . HsParTy =<< renameLType ty -- cgit v1.2.3