diff options
Diffstat (limited to 'haddock-api')
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Hoogle.hs | 48 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Backends/LaTeX.hs | 145 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Xhtml.hs | 2 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Xhtml/Decl.hs | 167 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Convert.hs | 69 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/GhcUtils.hs | 12 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Interface/Create.hs | 48 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Interface/Rename.hs | 86 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Utils.hs | 31 | 
9 files changed, 298 insertions, 310 deletions
| diff --git a/haddock-api/src/Haddock/Backends/Hoogle.hs b/haddock-api/src/Haddock/Backends/Hoogle.hs index 55075e20..b7dfad64 100644 --- a/haddock-api/src/Haddock/Backends/Hoogle.hs +++ b/haddock-api/src/Haddock/Backends/Hoogle.hs @@ -64,7 +64,8 @@ dropHsDocTy :: HsType a -> HsType a  dropHsDocTy = f      where          g (L src x) = L src (f x) -        f (HsForAllTy a b c d e) = HsForAllTy a b c d (g e) +        f (HsForAllTy a e) = HsForAllTy a (g e) +        f (HsQualTy a e) = HsQualTy a (g e)          f (HsBangTy a b) = HsBangTy a (g b)          f (HsAppTy a b) = HsAppTy (g a) (g b)          f (HsFunTy a b) = HsFunTy (g a) (g b) @@ -81,14 +82,6 @@ outHsType :: OutputableBndr a => DynFlags -> HsType a -> String  outHsType dflags = out dflags . dropHsDocTy -makeExplicit :: HsType a -> HsType a -makeExplicit (HsForAllTy _ a b c d) = HsForAllTy Explicit a b c d -makeExplicit x = x - -makeExplicitL :: LHsType a -> LHsType a -makeExplicitL (L src x) = L src (makeExplicit x) - -  dropComment :: String -> String  dropComment (' ':'-':'-':' ':_) = []  dropComment (x:xs) = x : dropComment xs @@ -120,40 +113,29 @@ ppExport dflags ExportDecl { expItemDecl    = L _ decl          f (TyClD d@DataDecl{})  = ppData dflags d subdocs          f (TyClD d@SynDecl{})   = ppSynonym dflags d          f (TyClD d@ClassDecl{}) = ppClass dflags d -        f (ForD (ForeignImport name typ _ _)) = ppSig dflags $ TypeSig [name] typ [] -        f (ForD (ForeignExport name typ _ _)) = ppSig dflags $ TypeSig [name] typ [] +        f (ForD (ForeignImport name typ _ _)) = pp_sig dflags [name] (hsSigType typ) +        f (ForD (ForeignExport name typ _ _)) = pp_sig dflags [name] (hsSigType typ)          f (SigD sig) = ppSig dflags sig          f _ = []  ppExport _ _ = []  ppSig :: DynFlags -> Sig Name -> [String] -ppSig dflags (TypeSig names sig _) -    = [operator prettyNames ++ " :: " ++ outHsType dflags typ] -    where -        prettyNames = intercalate ", " $ map (out dflags) names -        typ = case unL sig of -                   HsForAllTy Explicit a b c d  -> HsForAllTy Implicit a b c d -                   HsForAllTy Qualified a b c d -> HsForAllTy Implicit a b c d -                   x -> x +ppSig dflags (TypeSig names sig) = pp_sig dflags names (hsSigWcType sig)  ppSig _ _ = [] +pp_sig :: DynFlags -> [Located Name] -> LHsType Name -> [String] +pp_sig dflags names (L _ typ) +  = [operator prettyNames ++ " :: " ++ outHsType dflags typ] +  where +    prettyNames = intercalate ", " $ map (out dflags) names  -- note: does not yet output documentation for class methods  ppClass :: DynFlags -> TyClDecl Name -> [String]  ppClass dflags x = out dflags x{tcdSigs=[]} : -            concatMap (ppSig dflags . addContext . unL) (tcdSigs x) -    where -        addContext (TypeSig name (L l sig) nwcs) = TypeSig name (L l $ f sig) nwcs -        addContext (MinimalSig src sig) = MinimalSig src sig -        addContext _ = error "expected TypeSig" - -        f (HsForAllTy a b c con d) = HsForAllTy a b c (reL (context : unLoc con)) d -        f t = HsForAllTy Implicit Nothing emptyHsQTvs (reL [context]) (reL t) - -        context = nlHsTyConApp (tcdName x) -            (map (reL . HsTyVar . hsTyVarName . unL) (hsQTvBndrs (tyClDeclTyVars x))) - +                   concatMap (ppSig dflags . unL . add_ctxt) (tcdSigs x) +  where +    add_ctxt = addClassContext (tcdName x) (tyClDeclTyVars x)  ppInstance :: DynFlags -> ClsInst -> [String]  ppInstance dflags x = [dropComment $ out dflags x] @@ -194,10 +176,10 @@ ppCtor dflags dat subdocs con                             [out dflags (map (selectorFieldOcc . unLoc) $ cd_fld_names r) `typeSig` [resType, cd_fld_type r]]                            | r <- map unLoc recs] -        funs = foldr1 (\x y -> reL $ HsFunTy (makeExplicitL x) (makeExplicitL y)) +        funs = foldr1 (\x y -> reL $ HsFunTy x y)          apps = foldl1 (\x y -> reL $ HsAppTy x y) -        typeSig nm flds = operator nm ++ " :: " ++ outHsType dflags (makeExplicit $ unL $ funs flds) +        typeSig nm flds = operator nm ++ " :: " ++ outHsType dflags (unL $ funs flds)          name = out dflags $ map unL $ con_names con          resType = case con_res con of diff --git a/haddock-api/src/Haddock/Backends/LaTeX.hs b/haddock-api/src/Haddock/Backends/LaTeX.hs index 68149b41..3514f74e 100644 --- a/haddock-api/src/Haddock/Backends/LaTeX.hs +++ b/haddock-api/src/Haddock/Backends/LaTeX.hs @@ -213,9 +213,9 @@ processExports (e : es) =  isSimpleSig :: ExportItem DocName -> Maybe ([DocName], HsType DocName) -isSimpleSig ExportDecl { expItemDecl = L _ (SigD (TypeSig lnames (L _ t) _)) +isSimpleSig ExportDecl { expItemDecl = L _ (SigD (TypeSig lnames t))                         , expItemMbDoc = (Documentation Nothing Nothing, argDocs) } -  | Map.null argDocs = Just (map unLoc lnames, t) +  | Map.null argDocs = Just (map unLoc lnames, unLoc (hsSigWcType t))  isSimpleSig _ = Nothing @@ -250,8 +250,8 @@ ppDocGroup lev doc = sec lev <> braces doc  declNames :: LHsDecl DocName -> [DocName]  declNames (L _ decl) = case decl of    TyClD d  -> [tcdName d] -  SigD (TypeSig lnames _ _) -> map unLoc lnames -  SigD (PatSynSig lname _ _ _ _) -> [unLoc lname] +  SigD (TypeSig lnames _ ) -> map unLoc lnames +  SigD (PatSynSig lname _) -> [unLoc lname]    ForD (ForeignImport (L _ n) _ _ _) -> [n]    ForD (ForeignExport (L _ n) _ _ _) -> [n]    _ -> error "declaration not supported by declNames" @@ -293,10 +293,11 @@ ppDecl (L loc decl) (doc, fnArgsDoc) instances subdocs _fixities = case decl of  --  TyClD d@(TySynonym {})  --    | Just _  <- tcdTyPats d    -> ppTyInst False loc doc d unicode  -- Family instances happen via FamInst now -  TyClD d@(ClassDecl {})         -> ppClassDecl instances loc doc subdocs d unicode -  SigD (TypeSig lnames (L _ t) _) -> ppFunSig loc (doc, fnArgsDoc) (map unLoc lnames) t unicode -  SigD (PatSynSig lname qtvs prov req ty) -> -      ppLPatSig loc (doc, fnArgsDoc) lname qtvs prov req ty unicode +  TyClD d@(ClassDecl {})    -> ppClassDecl instances loc doc subdocs d unicode +  SigD (TypeSig lnames t)   -> ppFunSig loc (doc, fnArgsDoc) (map unLoc lnames) +                                        (hsSigWcType t) unicode +  SigD (PatSynSig lname ty) -> +      ppLPatSig loc (doc, fnArgsDoc) lname ty unicode    ForD d                         -> ppFor loc (doc, fnArgsDoc) d unicode    InstD _                        -> empty    _                              -> error "declaration not supported by ppDecl" @@ -311,8 +312,8 @@ ppTyFam _ _ _ _ _ =  ppFor :: SrcSpan -> DocForDecl DocName -> ForeignDecl DocName -> Bool -> LaTeX -ppFor loc doc (ForeignImport (L _ name) (L _ typ) _ _) unicode = -  ppFunSig loc doc [name] typ unicode +ppFor loc doc (ForeignImport (L _ name) typ _ _) unicode = +  ppFunSig loc doc [name] (hsSigType typ) unicode  ppFor _ _ _ _ = error "ppFor error in Haddock.Backends.LaTeX"  --  error "foreign declarations are currently not supported by --latex" @@ -329,7 +330,9 @@ ppTySyn loc doc (SynDecl { tcdLName = L _ name, tcdTyVars = ltyvars                           , tcdRhs = ltype }) unicode    = ppTypeOrFunSig loc [name] (unLoc ltype) doc (full, hdr, char '=') unicode    where -    hdr  = hsep (keyword "type" : ppDocBinder name : ppTyVars ltyvars) +    hdr  = hsep (keyword "type" +                 : ppDocBinder name +                 : map ppSymName (tyvarNames ltyvars))      full = hdr <+> char '=' <+> ppLType unicode ltype  ppTySyn _ _ _ _ = error "declaration not supported by ppTySyn" @@ -340,9 +343,9 @@ ppTySyn _ _ _ _ = error "declaration not supported by ppTySyn"  ------------------------------------------------------------------------------- -ppFunSig :: SrcSpan -> DocForDecl DocName -> [DocName] -> HsType DocName +ppFunSig :: SrcSpan -> DocForDecl DocName -> [DocName] -> LHsType DocName           -> Bool -> LaTeX -ppFunSig loc doc docnames typ unicode = +ppFunSig loc doc docnames (L _ typ) unicode =    ppTypeOrFunSig loc docnames typ doc      ( ppTypeSig names typ False      , hsep . punctuate comma $ map ppSymName names @@ -352,29 +355,17 @@ ppFunSig loc doc docnames typ unicode =     names = map getName docnames  ppLPatSig :: SrcSpan -> DocForDecl DocName -> Located DocName -          -> (HsExplicitFlag, LHsTyVarBndrs DocName) -          -> LHsContext DocName -> LHsContext DocName -          -> LHsType DocName +          -> LHsSigType DocName            -> Bool -> LaTeX -ppLPatSig _loc (doc, _argDocs) (L _ name) (expl, qtvs) lprov lreq (L _ ty) unicode +ppLPatSig _loc (doc, _argDocs) (L _ name) ty unicode    = declWithDoc pref1 (documentationToLaTeX doc)    where      pref1 = hsep [ keyword "pattern"                   , ppDocBinder name                   , dcolon unicode -                 , ppLTyVarBndrs expl qtvs unicode -                 , ctx -                 , ppType unicode ty +                 , ppLType unicode (hsSigType ty)                   ] -    ctx = case (ppLContextMaybe lprov unicode, ppLContextMaybe lreq unicode) of -        (Nothing,   Nothing)  -> empty -        (Nothing,   Just req) -> parens empty <+> darr <+> req <+> darr -        (Just prov, Nothing)  -> prov <+> darr -        (Just prov, Just req) -> prov <+> darr <+> req <+> darr - -    darr = darrow unicode -  ppTypeOrFunSig :: SrcSpan -> [DocName] -> HsType DocName                 -> DocForDecl DocName -> (LaTeX, LaTeX, LaTeX)                 -> Bool -> LaTeX @@ -393,23 +384,15 @@ ppTypeOrFunSig _ _ typ (doc, argDocs) (pref1, pref2, sep0)       arg_doc n = rDoc . fmap _doc $ Map.lookup n argDocs -     do_args :: Int -> LaTeX -> (HsType DocName) -> LaTeX -     do_args n leader (HsForAllTy Explicit _ tvs lctxt ltype) -       = decltt leader <-> -             decltt (hsep (forallSymbol unicode : ppTyVars tvs ++ [dot]) <+> -                ppLContextNoArrow lctxt unicode) <+> nl $$ -         do_largs n (darrow unicode) ltype - -     do_args n leader (HsForAllTy Qualified e a lctxt ltype) -       = do_args n leader (HsForAllTy Implicit e a lctxt ltype) -     do_args n leader (HsForAllTy Implicit _ _ lctxt ltype) -       | not (null (unLoc lctxt)) -       = decltt leader <-> decltt (ppLContextNoArrow lctxt unicode) <+> nl $$ -         do_largs n (darrow unicode) ltype -         -- if we're not showing any 'forall' or class constraints or -         -- anything, skip having an empty line for the context. -       | otherwise -       = do_largs n leader ltype +     do_args :: Int -> LaTeX -> HsType DocName -> LaTeX +     do_args _n leader (HsForAllTy tvs ltype) +       = decltt leader +         <-> decltt (hsep (forallSymbol unicode : ppTyVars tvs ++ [dot])) +         <+> ppLType unicode ltype +     do_args n leader (HsQualTy lctxt ltype) +       = decltt leader +         <-> ppLContextNoArrow lctxt unicode <+> nl $$ +             do_largs n (darrow unicode) ltype       do_args n leader (HsFunTy lt r)         = decltt leader <-> decltt (ppLFunLhType unicode lt) <-> arg_doc n <+> nl $$           do_largs (n+1) (arrow unicode) r @@ -424,12 +407,12 @@ ppTypeSig nms ty unicode =      <+> ppType unicode ty -ppTyVars :: LHsTyVarBndrs DocName -> [LaTeX] -ppTyVars tvs = map ppSymName (tyvarNames tvs) +ppTyVars :: [LHsTyVarBndr DocName] -> [LaTeX] +ppTyVars = map (ppSymName . getName . hsLTyVarName) -tyvarNames :: LHsTyVarBndrs DocName -> [Name] -tyvarNames = map getName . hsLTyVarNames +tyvarNames :: LHsQTyVars DocName -> [Name] +tyvarNames = map (getName . hsLTyVarName) . hsQTvBndrs  declWithDoc :: LaTeX -> Maybe LaTeX -> LaTeX @@ -478,12 +461,12 @@ rDoc = maybeDoc . fmap latexStripTrailingWhitespace  ppClassHdr :: Bool -> Located [LHsType DocName] -> DocName -           -> LHsTyVarBndrs DocName -> [Located ([Located DocName], [Located DocName])] +           -> LHsQTyVars DocName -> [Located ([Located DocName], [Located DocName])]             -> Bool -> LaTeX  ppClassHdr summ lctxt n tvs fds unicode =    keyword "class"    <+> (if not . null . unLoc $ lctxt then ppLContext lctxt unicode else empty) -  <+> ppAppDocNameNames summ n (tyvarNames $ tvs) +  <+> ppAppDocNameNames summ n (tyvarNames tvs)    <+> ppFds fds unicode @@ -521,8 +504,8 @@ ppClassDecl instances loc doc subdocs      methodTable =        text "\\haddockpremethods{}\\textbf{Methods}" $$ -      vcat  [ ppFunSig loc doc names typ unicode -            | L _ (TypeSig lnames (L _ typ) _) <- lsigs +      vcat  [ ppFunSig loc doc names (hsSigWcType typ) unicode +            | L _ (TypeSig lnames typ) <- lsigs              , let doc = lookupAnySubdoc (head names) subdocs                    names = map unLoc lnames ]                -- FIXME: is taking just the first name ok? Is it possible that @@ -613,21 +596,20 @@ ppDataDecl instances subdocs _loc doc dataDecl unicode  -- ppConstrHdr is for (non-GADT) existentials constructors' syntax -ppConstrHdr :: HsExplicitFlag -> [Name] -> HsContext DocName -> Bool -> LaTeX +ppConstrHdr :: Bool -> [Name] -> HsContext DocName -> Bool -> LaTeX  ppConstrHdr forall tvs ctxt unicode   = (if null tvs then empty else ppForall)     <+>     (if null ctxt then empty else ppContextNoArrow ctxt unicode <+> darrow unicode <+> text " ")    where      ppForall = case forall of -      Explicit -> forallSymbol unicode <+> hsep (map ppName tvs) <+> text ". " -      Qualified -> empty -      Implicit -> empty +      True  -> forallSymbol unicode <+> hsep (map ppName tvs) <+> text ". " +      False -> empty  ppSideBySideConstr :: [(DocName, DocForDecl DocName)] -> Bool -> LaTeX                     -> LConDecl DocName -> LaTeX -ppSideBySideConstr subdocs unicode leader (L _ con) = +ppSideBySideConstr subdocs unicode leader (L loc con) =    leader <->    case con_res con of    ResTyH98 -> case con_details con of @@ -661,13 +643,13 @@ ppSideBySideConstr subdocs unicode leader (L _ con) =      doRecordFields fields =          vcat (map (ppSideBySideField subdocs unicode) (map unLoc fields)) -    doGADTCon args resTy = decltt (ppOcc <+> dcolon unicode <+> hsep [ -                               ppForAll forall ltvs (con_cxt con) unicode, -                               ppLType unicode (foldr mkFunTy resTy args) ] +    doGADTCon args resTy = decltt (ppOcc <+> dcolon unicode <+> +                               ppLType unicode (mk_forall $ mk_phi $ +                                                foldr mkFunTy resTy args)                              ) <-> rDoc mbDoc -    header_ = ppConstrHdr forall tyVars context +    header_ = ppConstrHdr (con_explicit con) tyVars context      occ     = map (nameOccName . getName . unLoc) $ con_names con      ppOcc   = case occ of        [one] -> ppBinder one @@ -675,7 +657,12 @@ ppSideBySideConstr subdocs unicode leader (L _ con) =      ltvs    = con_qvars con      tyVars  = tyvarNames (con_qvars con)      context = unLoc (con_cxt con) -    forall  = con_explicit con + +    mk_forall ty | con_explicit con = L loc (HsForAllTy (hsQTvBndrs ltvs) ty) +                 | otherwise        = ty +    mk_phi ty | null context = ty +              | otherwise    = L loc (HsQualTy (con_cxt con) ty) +      -- don't use "con_doc con", in case it's reconstructed from a .hi file,      -- or also because we want Haddock to do the doc-parsing, not GHC.      mbDoc = case con_names con of @@ -791,9 +778,6 @@ ppLContext, ppLContextNoArrow :: Located (HsContext DocName) -> Bool -> LaTeX  ppLContext        = ppContext        . unLoc  ppLContextNoArrow = ppContextNoArrow . unLoc -ppLContextMaybe :: Located (HsContext DocName) -> Bool -> Maybe LaTeX -ppLContextMaybe = ppContextNoLocsMaybe . map unLoc . unLoc -  ppContextNoLocsMaybe :: [HsType DocName] -> Bool -> Maybe LaTeX  ppContextNoLocsMaybe [] _ = Nothing  ppContextNoLocsMaybe cxt unicode = Just $ pp_hs_context cxt unicode @@ -879,34 +863,19 @@ ppKind unicode ki = ppr_mono_ty pREC_TOP ki unicode  -- Drop top-level for-all type variables in user style  -- since they are implicit in Haskell -ppForAll :: HsExplicitFlag -> LHsTyVarBndrs DocName -         -> Located (HsContext DocName) -> Bool -> LaTeX -ppForAll expl tvs cxt unicode = ppLTyVarBndrs expl tvs unicode <+> ppLContext cxt unicode - -ppLTyVarBndrs :: HsExplicitFlag -> LHsTyVarBndrs DocName -              -> Bool -> LaTeX -ppLTyVarBndrs expl tvs unicode -  | show_forall = hsep (forallSymbol unicode : ppTyVars tvs) <> dot -  | otherwise   = empty -  where -    show_forall = not (null (hsQTvBndrs tvs)) && is_explicit -    is_explicit = case expl of {Explicit -> True; Implicit -> False; Qualified -> False} -  ppr_mono_lty :: Int -> LHsType DocName -> Bool -> LaTeX  ppr_mono_lty ctxt_prec ty unicode = ppr_mono_ty ctxt_prec (unLoc ty) unicode  ppr_mono_ty :: Int -> HsType DocName -> Bool -> LaTeX -ppr_mono_ty ctxt_prec (HsForAllTy expl extra tvs ctxt ty) unicode +ppr_mono_ty ctxt_prec (HsForAllTy tvs ty) unicode    = maybeParen ctxt_prec pREC_FUN $ -    hsep [ppForAll expl tvs ctxt' unicode, ppr_mono_lty pREC_TOP ty unicode] - where -   anonWC :: HsType DocName -   anonWC = HsWildCardTy (AnonWildCard (Undocumented underscore)) -   underscore = mkUnboundName (mkRdrUnqual (mkTyVarOcc "_")) -   ctxt' -     | Just loc <- extra = (++ [L loc anonWC]) `fmap` ctxt -     | otherwise         = ctxt +    sep [ hsep (forallSymbol unicode : ppTyVars tvs) <> dot +        , ppr_mono_lty pREC_TOP ty unicode ] +ppr_mono_ty ctxt_prec (HsQualTy ctxt ty) unicode +  = maybeParen ctxt_prec pREC_FUN $ +    sep [ ppLContext ctxt unicode +        , ppr_mono_lty pREC_TOP ty unicode ]  ppr_mono_ty _         (HsBangTy b ty)     u = ppBang b <> ppLParendType u ty  ppr_mono_ty _         (HsTyVar name)      _ = ppDocName name diff --git a/haddock-api/src/Haddock/Backends/Xhtml.hs b/haddock-api/src/Haddock/Backends/Xhtml.hs index b2710703..31757eeb 100644 --- a/haddock-api/src/Haddock/Backends/Xhtml.hs +++ b/haddock-api/src/Haddock/Backends/Xhtml.hs @@ -584,7 +584,7 @@ processForMiniSynopsis mdl unicode qual ExportDecl { expItemDecl = L _loc decl0          (DataDecl{})   -> [keyword "data" <+> b]          (SynDecl{})    -> [keyword "type" <+> b]          (ClassDecl {}) -> [keyword "class" <+> b] -    SigD (TypeSig lnames (L _ _) _) -> +    SigD (TypeSig lnames _) ->        map (ppNameMini Prefix mdl . nameOccName . getName . unLoc) lnames      _ -> []  processForMiniSynopsis _ _ qual (ExportGroup lvl _id txt) = diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs index f94daabf..c523d610 100644 --- a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs +++ b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs @@ -45,13 +45,14 @@ ppDecl :: Bool -> LinksInfo -> LHsDecl DocName         -> DocForDecl DocName -> [DocInstance DocName] -> [(DocName, Fixity)]         -> [(DocName, DocForDecl DocName)] -> Splice -> Unicode -> Qualification -> Html  ppDecl summ links (L loc decl) (mbDoc, fnArgsDoc) instances fixities subdocs splice unicode qual = case decl of -  TyClD (FamDecl d)           -> ppTyFam summ False links instances fixities loc mbDoc d splice unicode qual -  TyClD d@(DataDecl {})       -> ppDataDecl summ links instances fixities subdocs loc mbDoc d splice unicode qual -  TyClD d@(SynDecl {})        -> ppTySyn summ links fixities loc (mbDoc, fnArgsDoc) d splice unicode qual -  TyClD d@(ClassDecl {})      -> ppClassDecl summ links instances fixities loc mbDoc subdocs d splice unicode qual -  SigD (TypeSig lnames lty _) -> ppLFunSig summ links loc (mbDoc, fnArgsDoc) lnames lty fixities splice unicode qual -  SigD (PatSynSig lname qtvs prov req ty) -> -      ppLPatSig summ links loc (mbDoc, fnArgsDoc) lname qtvs prov req ty fixities splice unicode qual +  TyClD (FamDecl d)         -> ppTyFam summ False links instances fixities loc mbDoc d splice unicode qual +  TyClD d@(DataDecl {})     -> ppDataDecl summ links instances fixities subdocs loc mbDoc d splice unicode qual +  TyClD d@(SynDecl {})      -> ppTySyn summ links fixities loc (mbDoc, fnArgsDoc) d splice unicode qual +  TyClD d@(ClassDecl {})    -> ppClassDecl summ links instances fixities loc mbDoc subdocs d splice unicode qual +  SigD (TypeSig lnames lty) -> ppLFunSig summ links loc (mbDoc, fnArgsDoc) lnames +                                         (hsSigWcType lty) fixities splice unicode qual +  SigD (PatSynSig lname ty) -> ppLPatSig summ links loc (mbDoc, fnArgsDoc) lname +                                         ty fixities splice unicode qual    ForD d                         -> ppFor summ links loc (mbDoc, fnArgsDoc) d fixities splice unicode qual    InstD _                        -> noHtml    _                              -> error "declaration not supported by ppDecl" @@ -61,26 +62,23 @@ ppLFunSig :: Bool -> LinksInfo -> SrcSpan -> DocForDecl DocName ->               [Located DocName] -> LHsType DocName -> [(DocName, Fixity)] ->               Splice -> Unicode -> Qualification -> Html  ppLFunSig summary links loc doc lnames lty fixities splice unicode qual = -  ppFunSig summary links loc doc (map unLoc lnames) (unLoc lty) fixities +  ppFunSig summary links loc doc (map unLoc lnames) lty fixities             splice unicode qual  ppFunSig :: Bool -> LinksInfo -> SrcSpan -> DocForDecl DocName -> -            [DocName] -> HsType DocName -> [(DocName, Fixity)] -> +            [DocName] -> LHsType DocName -> [(DocName, Fixity)] ->              Splice -> Unicode -> Qualification -> Html  ppFunSig summary links loc doc docnames typ fixities splice unicode qual = -  ppSigLike summary links loc mempty doc docnames fixities (typ, pp_typ) +  ppSigLike summary links loc mempty doc docnames fixities (unLoc typ, pp_typ)              splice unicode qual    where -    pp_typ = ppType unicode qual typ +    pp_typ = ppLType unicode qual typ  ppLPatSig :: Bool -> LinksInfo -> SrcSpan -> DocForDecl DocName -> -             Located DocName -> -             (HsExplicitFlag, LHsTyVarBndrs DocName) -> -             LHsContext DocName -> LHsContext DocName -> -             LHsType DocName -> +             Located DocName -> LHsSigType DocName ->               [(DocName, Fixity)] ->               Splice -> Unicode -> Qualification -> Html -ppLPatSig summary links loc (doc, _argDocs) (L _ name) (expl, qtvs) lprov lreq typ fixities splice unicode qual +ppLPatSig summary links loc (doc, _argDocs) (L _ name) typ fixities splice unicode qual    | summary = pref1    | otherwise = topDeclElem links loc splice [name] (pref1 <+> ppFixities fixities qual)                  +++ docSection Nothing qual doc @@ -88,18 +86,9 @@ ppLPatSig summary links loc (doc, _argDocs) (L _ name) (expl, qtvs) lprov lreq t      pref1 = hsep [ keyword "pattern"                   , ppBinder summary occname                   , dcolon unicode -                 , ppLTyVarBndrs expl qtvs unicode qual -                 , cxt -                 , ppLType unicode qual typ +                 , ppLType unicode qual (hsSigType typ)                   ] -    cxt = case (ppLContextMaybe lprov unicode qual, ppLContextMaybe lreq unicode qual) of -        (Nothing,   Nothing)  -> noHtml -        (Nothing,   Just req) -> parens noHtml <+> darr <+> req <+> darr -        (Just prov, Nothing)  -> prov <+> darr -        (Just prov, Just req) -> prov <+> darr <+> req <+> darr - -    darr = darrow unicode      occname = nameOccName . getName $ name  ppSigLike :: Bool -> LinksInfo -> SrcSpan -> Html -> DocForDecl DocName -> @@ -133,22 +122,29 @@ ppTypeOrFunSig summary links loc docnames typ (doc, argDocs) (pref1, pref2, sep)      argDoc n = Map.lookup n argDocs      do_largs n leader (L _ t) = do_args n leader t +      do_args :: Int -> Html -> HsType DocName -> [SubDecl] -    do_args n leader (HsForAllTy _ _ tvs lctxt ltype) -      = case unLoc lctxt of -        [] -> do_largs n leader' ltype -        _  -> (leader' <+> ppLContextNoArrow lctxt unicode qual, Nothing, []) -              : do_largs n (darrow unicode) ltype -      where leader' = leader <+> ppForAll tvs unicode qual +    do_args n leader (HsForAllTy tvs ltype) +      = do_largs n leader' ltype +      where +        leader' = leader <+> ppForAll tvs unicode qual + +    do_args n leader (HsQualTy lctxt ltype) +      | null (unLoc lctxt) +      = do_largs n leader ltype +      | otherwise +      = (leader <+> ppLContextNoArrow lctxt unicode qual, Nothing, []) +        : do_largs n (darrow unicode) ltype +      do_args n leader (HsFunTy lt r)        = (leader <+> ppLFunLhType unicode qual lt, argDoc n, [])          : do_largs (n+1) (arrow unicode) r      do_args n leader t        = [(leader <+> ppType unicode qual t, argDoc n, [])] -ppForAll :: LHsTyVarBndrs DocName -> Unicode -> Qualification -> Html +ppForAll :: [LHsTyVarBndr DocName] -> Unicode -> Qualification -> Html  ppForAll tvs unicode qual = -  case [ppKTv n k | L _ (KindedTyVar (L _ n) k) <- hsQTvBndrs tvs] of +  case [ppKTv n k | L _ (KindedTyVar (L _ n) k) <- tvs] of      [] -> noHtml      ts -> forallSymbol unicode <+> hsep ts +++ dot    where ppKTv n k = parens $ @@ -176,20 +172,19 @@ ppFixities fs qual = foldr1 (+++) (map ppFix uniq_fs) +++ rightEdge      rightEdge = thespan ! [theclass "rightedge"] << noHtml -ppTyVars :: LHsTyVarBndrs DocName -> [Html] -ppTyVars tvs = map ppTyName (tyvarNames tvs) +ppTyVars :: [LHsTyVarBndr DocName] -> [Html] +ppTyVars tvs = map (ppTyName . getName . hsLTyVarName) tvs - -tyvarNames :: LHsTyVarBndrs DocName -> [Name] -tyvarNames = map getName . hsLTyVarNames +tyvarNames :: LHsQTyVars DocName -> [Name] +tyvarNames = map (getName . hsLTyVarName) . hsQTvBndrs  ppFor :: Bool -> LinksInfo -> SrcSpan -> DocForDecl DocName        -> ForeignDecl DocName -> [(DocName, Fixity)]        -> Splice -> Unicode -> Qualification -> Html -ppFor summary links loc doc (ForeignImport (L _ name) (L _ typ) _ _) fixities +ppFor summary links loc doc (ForeignImport (L _ name) typ _ _) fixities        splice unicode qual -  = ppFunSig summary links loc doc [name] typ fixities splice unicode qual +  = ppFunSig summary links loc doc [name] (hsSigType typ) fixities splice unicode qual  ppFor _ _ _ _ _ _ _ _ _ = error "ppFor" @@ -204,7 +199,8 @@ ppTySyn summary links fixities loc doc (SynDecl { tcdLName = L _ name, tcdTyVars                     (full <+> fixs, hdr <+> fixs, spaceHtml +++ equals)                     splice unicode qual    where -    hdr  = hsep ([keyword "type", ppBinder summary occ] ++ ppTyVars ltyvars) +    hdr  = hsep ([keyword "type", ppBinder summary occ] +                 ++ ppTyVars (hsQTvBndrs ltyvars))      full = hdr <+> equals <+> ppLType unicode qual ltype      occ  = nameOccName . getName $ name      fixs @@ -290,7 +286,7 @@ ppTyFam summary associated links instances fixities loc doc decl splice unicode      -- Individual equation of a closed type family      ppTyFamEqn TyFamEqn { tfe_tycon = n, tfe_rhs = rhs -                        , tfe_pats = HsWB { hswb_cts = ts }} +                        , tfe_pats = HsIB { hsib_body = ts }}        = ( ppAppNameTypes (unLoc n) [] (map unLoc ts) unicode qual            <+> equals <+> ppType unicode qual (unLoc rhs)          , Nothing, [] ) @@ -363,10 +359,6 @@ ppLContext, ppLContextNoArrow :: Located (HsContext DocName) -> Unicode  ppLContext        = ppContext        . unLoc  ppLContextNoArrow = ppContextNoArrow . unLoc - -ppLContextMaybe :: Located (HsContext DocName) -> Unicode -> Qualification -> Maybe Html -ppLContextMaybe = ppContextNoLocsMaybe . map unLoc . unLoc -  ppContextNoArrow :: HsContext DocName -> Unicode -> Qualification -> Html  ppContextNoArrow cxt unicode qual = fromMaybe noHtml $                                      ppContextNoLocsMaybe (map unLoc cxt) unicode qual @@ -397,7 +389,7 @@ ppHsContext cxt unicode qual = parenList (map (ppType unicode qual) cxt)  ppClassHdr :: Bool -> Located [LHsType DocName] -> DocName -           -> LHsTyVarBndrs DocName -> [Located ([Located DocName], [Located DocName])] +           -> LHsQTyVars DocName -> [Located ([Located DocName], [Located DocName])]             -> Unicode -> Qualification -> Html  ppClassHdr summ lctxt n tvs fds unicode qual =    keyword "class" @@ -430,8 +422,9 @@ ppShortClassDecl summary links (ClassDecl { tcdCtxt = lctxt, tcdLName = lname, t                  -- ToDo: add associated type defaults -            [ ppFunSig summary links loc doc names typ [] splice unicode qual -              | L _ (TypeSig lnames (L _ typ) _) <- sigs +            [ ppFunSig summary links loc doc names (hsSigWcType typ) +                       [] splice unicode qual +              | L _ (TypeSig lnames typ) <- sigs                , let doc = lookupAnySubdoc (head names) subdocs                      names = map unLoc lnames ]                -- FIXME: is taking just the first name ok? Is it possible that @@ -475,8 +468,9 @@ ppClassDecl summary links instances fixities loc d subdocs                              doc = lookupAnySubdoc (unL $ fdLName $ unL at) subdocs                              subfixs = [ f | f@(n',_) <- fixities, n == n' ] ] -    methodBit = subMethods [ ppFunSig summary links loc doc names typ subfixs splice unicode qual -                           | L _ (TypeSig lnames (L _ typ) _) <- lsigs +    methodBit = subMethods [ ppFunSig summary links loc doc names (hsSigType typ) +                                      subfixs splice unicode qual +                           | L _ (ClassOpSig _ lnames typ) <- lsigs                             , let doc = lookupAnySubdoc (head names) subdocs                                   subfixs = [ f | n <- names                                                 , f@(n',_) <- fixities @@ -489,12 +483,12 @@ ppClassDecl summary links instances fixities loc d subdocs      minimalBit = case [ s | L _ (MinimalSig _ s) <- lsigs ] of        -- Miminal complete definition = every shown method        And xs : _ | sort [getName n | Var (L _ n) <- xs] == -                   sort [getName n | L _ (TypeSig ns _ _) <- lsigs, L _ n <- ns] +                   sort [getName n | L _ (TypeSig ns _) <- lsigs, L _ n <- ns]          -> noHtml        -- Minimal complete definition = the only shown method        Var (L _ n) : _ | [getName n] == -                        [getName n' | L _ (TypeSig ns _ _) <- lsigs, L _ n' <- ns] +                        [getName n' | L _ (TypeSig ns _) <- lsigs, L _ n' <- ns]          -> noHtml        -- Minimal complete definition = nothing @@ -665,23 +659,23 @@ ppShortConstrParts summary dataInst con unicode qual = case con_res con of  -- ppConstrHdr is for (non-GADT) existentials constructors' syntax -ppConstrHdr :: HsExplicitFlag -> [Name] -> HsContext DocName -> Unicode +ppConstrHdr :: Bool -> [Name] -> HsContext DocName -> Unicode              -> Qualification -> Html  ppConstrHdr forall_ tvs ctxt unicode qual   = (if null tvs then noHtml else ppForall)     +++ -   (if null ctxt then noHtml else ppContextNoArrow ctxt unicode qual -        <+> darrow unicode +++ toHtml " ") +   (if null ctxt then noHtml +    else ppContextNoArrow ctxt unicode qual +         <+> darrow unicode +++ toHtml " ")    where -    ppForall = case forall_ of -      Explicit -> forallSymbol unicode <+> hsep (map (ppName Prefix) tvs) <+> toHtml ". " -      Qualified -> noHtml -      Implicit -> noHtml - +    ppForall | forall_   = forallSymbol unicode <+> hsep (map (ppName Prefix) tvs) +                           <+> toHtml ". " +             | otherwise = noHtml  ppSideBySideConstr :: [(DocName, DocForDecl DocName)] -> [(DocName, Fixity)]                     -> Unicode -> Qualification -> LConDecl DocName -> SubDecl -ppSideBySideConstr subdocs fixities unicode qual (L _ con) = (decl, mbDoc, fieldPart) +ppSideBySideConstr subdocs fixities unicode qual (L loc con) + = (decl, mbDoc, fieldPart)   where      decl = case con_res con of        ResTyH98 -> case con_details con of @@ -711,12 +705,19 @@ ppSideBySideConstr subdocs fixities unicode qual (L _ con) = (decl, mbDoc, field      doRecordFields fields = subFields qual        (map (ppSideBySideField subdocs unicode qual) (map unLoc fields)) +      doGADTCon :: [LHsType DocName] -> Located (HsType DocName) -> Html      doGADTCon args resTy = ppOcc <+> dcolon unicode -        <+> hsep [ppForAllCon forall_ ltvs (con_cxt con) unicode qual, -                  ppLType unicode qual (foldr mkFunTy resTy args) ] +        <+> ppLType unicode qual (mk_forall $ mk_phi $ +                                  foldr mkFunTy resTy args)          <+> fixity +    mk_phi ty | null context = ty +              | otherwise    = L loc (HsQualTy (con_cxt con) ty) + +    mk_forall ty | con_explicit con = L loc (HsForAllTy (hsQTvBndrs ltvs) ty) +                 | otherwise        = ty +      fixity  = ppFixities fixities qual      header_ = ppConstrHdr forall_ tyVars context unicode qual      occ       = map (nameOccName . getName . unLoc) $ con_names con @@ -849,38 +850,36 @@ ppKind unicode qual ki = ppr_mono_ty pREC_TOP ki unicode qual  -- Drop top-level for-all type variables in user style  -- since they are implicit in Haskell -ppForAllCon :: HsExplicitFlag -> LHsTyVarBndrs DocName -         -> Located (HsContext DocName) -> Unicode -> Qualification -> Html +ppForAllCon :: Bool -> LHsQTyVars DocName +            -> Located (HsContext DocName) -> Unicode -> Qualification -> Html  ppForAllCon expl tvs cxt unicode qual =    forall_part <+> ppLContext cxt unicode qual    where      forall_part = ppLTyVarBndrs expl tvs unicode qual -ppLTyVarBndrs :: HsExplicitFlag -> LHsTyVarBndrs DocName -              -> Unicode -> Qualification -              -> Html -ppLTyVarBndrs expl tvs unicode _qual -  | show_forall = hsep (forallSymbol unicode : ppTyVars tvs) +++ dot -  | otherwise   = noHtml +ppLTyVarBndrs :: Bool -> LHsQTyVars DocName -> Unicode -> Qualification -> Html +ppLTyVarBndrs show_forall tvs unicode _qual +  | show_forall +  , not (null tv_bndrs) = ppForAllPart tv_bndrs unicode +  | otherwise           = noHtml    where -    show_forall = not (null (hsQTvBndrs tvs)) && is_explicit -    is_explicit = case expl of {Explicit -> True; Implicit -> False; Qualified -> False} +    tv_bndrs = hsQTvBndrs tvs +ppForAllPart :: [LHsTyVarBndr DocName] -> Unicode -> Html +ppForAllPart tvs unicode = hsep (forallSymbol unicode : ppTyVars tvs) +++ dot  ppr_mono_lty :: Int -> LHsType DocName -> Unicode -> Qualification -> Html  ppr_mono_lty ctxt_prec ty = ppr_mono_ty ctxt_prec (unLoc ty)  ppr_mono_ty :: Int -> HsType DocName -> Unicode -> Qualification -> Html -ppr_mono_ty ctxt_prec (HsForAllTy expl extra tvs ctxt ty) unicode qual -  = maybeParen ctxt_prec pREC_FUN $ ppForAllCon expl tvs ctxt' unicode qual -                                    <+> ppr_mono_lty pREC_TOP ty unicode qual - where -   anonWC = HsWildCardTy (AnonWildCard (Undocumented underscore)) -   underscore = mkUnboundName (mkRdrUnqual (mkTyVarOcc "_")) -   ctxt' -     | Just loc <- extra = (++ [L loc anonWC]) `fmap` ctxt -     | otherwise         = ctxt +ppr_mono_ty ctxt_prec (HsForAllTy tvs ty) unicode qual +  = maybeParen ctxt_prec pREC_FUN $ +    ppForAllPart tvs unicode <+> ppr_mono_lty pREC_TOP ty unicode qual + +ppr_mono_ty ctxt_prec (HsQualTy ctxt ty) unicode qual +  = maybeParen ctxt_prec pREC_FUN $ +    ppLContext ctxt unicode qual <+> ppr_mono_lty pREC_TOP ty unicode qual  -- UnicodeSyntax alternatives  ppr_mono_ty _ (HsTyVar name) True _ diff --git a/haddock-api/src/Haddock/Convert.hs b/haddock-api/src/Haddock/Convert.hs index 4cb42597..38851b16 100644 --- a/haddock-api/src/Haddock/Convert.hs +++ b/haddock-api/src/Haddock/Convert.hs @@ -96,17 +96,10 @@ tyThingToLHsDecl t = case t of    -- a data-constructor alone just gets rendered as a function:    AConLike (RealDataCon dc) -> allOK $ SigD (TypeSig [synifyName dc] -    (synifyType ImplicitizeForAll (dataConUserType dc)) []) +    (synifySigWcType ImplicitizeForAll (dataConUserType dc)))    AConLike (PatSynCon ps) -> -      let (univ_tvs, req_theta, ex_tvs, prov_theta, arg_tys, res_ty) = patSynSig ps -          qtvs = univ_tvs ++ ex_tvs -          ty = mkFunTys arg_tys res_ty -      in allOK . SigD $ PatSynSig (synifyName ps) -                          (Implicit, synifyTyVars qtvs) -                          (synifyCtx req_theta) -                          (synifyCtx prov_theta) -                          (synifyType WithinType ty) +     allOK . SigD $ PatSynSig (synifyName ps) (synifySigType WithinType (patSynType ps))    where      withErrs e x = return (e, x)      allOK x = return (mempty, x) @@ -118,10 +111,9 @@ synifyAxBranch tc (CoAxBranch { cab_tvs = tkvs, cab_lhs = args, cab_rhs = rhs })          hs_rhs     = synifyType WithinType rhs          (kvs, tvs) = partition isKindVar tkvs      in TyFamEqn { tfe_tycon = name -                , tfe_pats  = HsWB { hswb_cts = typats -                                    , hswb_kvs = map tyVarName kvs -                                    , hswb_tvs = map tyVarName tvs -                                    , hswb_wcs = [] } +                , tfe_pats  = HsIB { hsib_body = typats +                                   , hsib_kvs = map tyVarName kvs +                                   , hsib_tvs = map tyVarName tvs }                  , tfe_rhs   = hs_rhs }  synifyAxiom :: CoAxiom br -> Either ErrMsg (HsDecl Name) @@ -305,34 +297,42 @@ synifyDataCon use_gadt_syntax dc =                else ResTyH98   -- finally we get synifyDataCon's result!   in hs_arg_tys >>= -      \hat -> return . noLoc $ ConDecl [name] Implicit -- we don't know nor care -                qvars ctx hat hs_res_ty Nothing +      \hat -> return $ noLoc $ +              ConDecl { con_names = [name] +                      , con_explicit = False    -- we don't know nor care +                      , con_qvars = qvars +                      , con_cxt   = ctx +                      , con_details =  hat +                      , con_res = hs_res_ty +                      , con_doc =  Nothing                  -- we don't want any "deprecated GADT syntax" warnings! -                False +                      , con_old_rec = False }  synifyName :: NamedThing n => n -> Located Name  synifyName = noLoc . getName  synifyIdSig :: SynifyTypeState -> Id -> Sig Name -synifyIdSig s i = TypeSig [synifyName i] (synifyType s (varType i)) [] +synifyIdSig s i = TypeSig [synifyName i] (synifySigWcType s (varType i))  synifyCtx :: [PredType] -> LHsContext Name  synifyCtx = noLoc . map (synifyType WithinType) -synifyTyVars :: [TyVar] -> LHsTyVarBndrs Name +synifyTyVars :: [TyVar] -> LHsQTyVars Name  synifyTyVars ktvs = HsQTvs { hsq_kvs = map tyVarName kvs                             , hsq_tvs = map synifyTyVar tvs }    where      (kvs, tvs) = partition isKindVar ktvs -    synifyTyVar tv -      | isLiftedTypeKind kind = noLoc (UserTyVar name) -      | otherwise             = noLoc (KindedTyVar (noLoc name) (synifyKindSig kind)) -      where -        kind = tyVarKind tv -        name = getName tv + +synifyTyVar :: TyVar -> LHsTyVarBndr Name +synifyTyVar tv +  | isLiftedTypeKind kind = noLoc (UserTyVar name) +  | otherwise             = noLoc (KindedTyVar (noLoc name) (synifyKindSig kind)) +  where +    kind = tyVarKind tv +    name = getName tv  --states of what to do with foralls:  data SynifyTypeState @@ -350,6 +350,15 @@ data SynifyTypeState    --   the defining class gets to quantify all its functions for free! +synifySigType :: SynifyTypeState -> Type -> LHsSigType Name +-- The empty binders is a bit suspicious; +-- what if the type has free variables? +synifySigType s ty = mkEmptyImplicitBndrs (synifyType s ty) + +synifySigWcType :: SynifyTypeState -> Type -> LHsSigWcType Name +-- Ditto (see synifySigType) +synifySigWcType s ty = mkEmptyImplicitBndrs (mkEmptyWildCardBndrs (synifyType s ty)) +  synifyType :: SynifyTypeState -> Type -> LHsType Name  synifyType _ (TyVarTy tv) = noLoc $ HsTyVar (getName tv)  synifyType _ (TyConApp tc tys) @@ -388,15 +397,13 @@ synifyType _ (FunTy t1 t2) = let    in noLoc $ HsFunTy s1 s2  synifyType s forallty@(ForAllTy _tv _ty) =    let (tvs, ctx, tau) = tcSplitSigmaTy forallty -      sTvs = synifyTyVars tvs -      sCtx = synifyCtx ctx -      sTau = synifyType WithinType tau -      mkHsForAllTy forallPlicitness = -        noLoc $ HsForAllTy forallPlicitness Nothing sTvs sCtx sTau +      sPhi = HsQualTy { hst_ctxt = synifyCtx ctx +                      , hst_body = synifyType WithinType tau }    in case s of      DeleteTopLevelQuantification -> synifyType ImplicitizeForAll tau -    WithinType -> mkHsForAllTy Explicit -    ImplicitizeForAll -> mkHsForAllTy Implicit +    WithinType        -> noLoc $ HsForAllTy { hst_bndrs = map synifyTyVar tvs +                                            , hst_body  = noLoc sPhi } +    ImplicitizeForAll -> noLoc sPhi  synifyType _ (LitTy t) = noLoc $ HsTyLit $ synifyTyLit t diff --git a/haddock-api/src/Haddock/GhcUtils.hs b/haddock-api/src/Haddock/GhcUtils.hs index aa9a1c32..49d6a420 100644 --- a/haddock-api/src/Haddock/GhcUtils.hs +++ b/haddock-api/src/Haddock/GhcUtils.hs @@ -69,7 +69,7 @@ getMainDeclBinder _ = []  -- to correlate InstDecls with their Instance/CoAxiom Names, via the  -- instanceMap.  getInstLoc :: InstDecl name -> SrcSpan -getInstLoc (ClsInstD (ClsInstDecl { cid_poly_ty = L l _ })) = l +getInstLoc (ClsInstD (ClsInstDecl { cid_poly_ty = ty })) = getLoc (hsSigType ty)  getInstLoc (DataFamInstD (DataFamInstDecl { dfid_tycon = L l _ })) = l  getInstLoc (TyFamInstD (TyFamInstDecl    -- Since CoAxioms' Names refer to the whole line for type family instances @@ -92,10 +92,10 @@ filterSigNames p (FixSig (FixitySig ns ty)) =      []       -> Nothing      filtered -> Just (FixSig (FixitySig filtered ty))  filterSigNames _ orig@(MinimalSig _ _)      = Just orig -filterSigNames p (TypeSig ns ty nwcs) = +filterSigNames p (TypeSig ns ty) =    case filter (p . unLoc) ns of      []       -> Nothing -    filtered -> Just (TypeSig filtered ty nwcs) +    filtered -> Just (TypeSig filtered ty)  filterSigNames _ _                           = Nothing  ifTrueJust :: Bool -> name -> Maybe name @@ -106,8 +106,8 @@ sigName :: LSig name -> [name]  sigName (L _ sig) = sigNameNoLoc sig  sigNameNoLoc :: Sig name -> [name] -sigNameNoLoc (TypeSig   ns _ _)        = map unLoc ns -sigNameNoLoc (PatSynSig n _ _ _ _)     = [unLoc n] +sigNameNoLoc (TypeSig   ns _)          = map unLoc ns +sigNameNoLoc (PatSynSig n _)           = [unLoc n]  sigNameNoLoc (SpecSig   n _ _)         = [unLoc n]  sigNameNoLoc (InlineSig n _)           = [unLoc n]  sigNameNoLoc (FixSig (FixitySig ns _)) = map unLoc ns @@ -199,7 +199,7 @@ instance Parent (TyClDecl Name) where                                $ (dd_cons . tcdDataDefn) $ d      | isClassDecl d =          map (unL . fdLName . unL) (tcdATs d) ++ -        [ unL n | L _ (TypeSig ns _ _) <- tcdSigs d, n <- ns ] +        [ unL n | L _ (TypeSig ns _) <- tcdSigs d, n <- ns ]      | otherwise = [] diff --git a/haddock-api/src/Haddock/Interface/Create.hs b/haddock-api/src/Haddock/Interface/Create.hs index 8f3b9f9a..d53e7351 100644 --- a/haddock-api/src/Haddock/Interface/Create.hs +++ b/haddock-api/src/Haddock/Interface/Create.hs @@ -347,15 +347,14 @@ typeDocs :: HsDecl Name -> Map Int HsDocString  typeDocs d =    let docs = go 0 in    case d of -    SigD (TypeSig _ ty _) -> docs (unLoc ty) -    SigD (PatSynSig _ _ req prov ty) -> -        let allTys = ty : concat [ unLoc req, unLoc prov ] -        in F.foldMap (docs . unLoc) allTys -    ForD (ForeignImport _ ty _ _) -> docs (unLoc ty) +    SigD (TypeSig _ ty)   -> docs (unLoc (hsSigWcType ty)) +    SigD (PatSynSig _ ty) -> docs (unLoc (hsSigType ty)) +    ForD (ForeignImport _ ty _ _)   -> docs (unLoc (hsSigType ty))      TyClD (SynDecl { tcdRhs = ty }) -> docs (unLoc ty)      _ -> M.empty    where -    go n (HsForAllTy _ _ _ _ ty) = go n (unLoc ty) +    go n (HsForAllTy { hst_body = ty }) = go n (unLoc ty) +    go n (HsQualTy   { hst_body = ty }) = go n (unLoc ty)      go n (HsFunTy (L _ (HsDocTy _ (L _ x))) (L _ ty)) = M.insert n x $ go (n+1) ty      go n (HsFunTy _ ty) = go (n+1) (unLoc ty)      go n (HsDocTy _ (L _ doc)) = M.singleton n doc @@ -728,8 +727,8 @@ fullModuleContents dflags warnings gre (docMap, argMap, subMap, declMap, instMap      expandSig = foldr f []        where          f :: LHsDecl name -> [LHsDecl name] -> [LHsDecl name] -        f (L l (SigD (TypeSig    names t nwcs)))     xs = foldr (\n acc -> L l (SigD (TypeSig    [n] t nwcs))     : acc) xs names -        f (L l (SigD (GenericSig names t)))          xs = foldr (\n acc -> L l (SigD (GenericSig [n] t))          : acc) xs names +        f (L l (SigD (TypeSig    names t)))   xs = foldr (\n acc -> L l (SigD (TypeSig      [n] t)) : acc) xs names +        f (L l (SigD (ClassOpSig b names t))) xs = foldr (\n acc -> L l (SigD (ClassOpSig b [n] t)) : acc) xs names          f x xs = x : xs      mkExportItem :: LHsDecl Name -> ErrMsgGhc (Maybe (ExportItem Name)) @@ -773,17 +772,17 @@ extractDecl name mdl decl      case unLoc decl of        TyClD d@ClassDecl {} ->          let matches = [ sig | sig <- tcdSigs d, name `elem` sigName sig, -                        isVanillaLSig sig ] -- TODO: document fixity +                        isTypeLSig sig ] -- TODO: document fixity          in case matches of -          [s0] -> let (n, tyvar_names) = (tcdName d, getTyVars d) -                      L pos sig = extractClassDecl n tyvar_names s0 +          [s0] -> let (n, tyvar_names) = (tcdName d, tyClDeclTyVars d) +                      L pos sig = addClassContext n tyvar_names s0                    in L pos (SigD sig)            _ -> error "internal: extractDecl (ClassDecl)"        TyClD d@DataDecl {} -> -        let (n, tyvar_names) = (tcdName d, map toTypeNoLoc $ getTyVars d) -        in SigD <$> extractRecSel name mdl n tyvar_names (dd_cons (tcdDataDefn d)) +        let (n, tyvar_tys) = (tcdName d, lHsQTyVarsToTypes (tyClDeclTyVars d)) +        in SigD <$> extractRecSel name mdl n tyvar_tys (dd_cons (tcdDataDefn d))        InstD (DataFamInstD DataFamInstDecl { dfid_tycon = L _ n -                                          , dfid_pats = HsWB { hswb_cts = tys } +                                          , dfid_pats = HsIB { hsib_body = tys }                                            , dfid_defn = defn }) ->          SigD <$> extractRecSel name mdl n tys (dd_cons defn)        InstD (ClsInstD ClsInstDecl { cid_datafam_insts = insts }) -> @@ -797,24 +796,6 @@ extractDecl name mdl decl            [d0] -> extractDecl name mdl (noLoc . InstD $ DataFamInstD d0)            _ -> error "internal: extractDecl (ClsInstD)"        _ -> error "internal: extractDecl" -  where -    getTyVars = hsLTyVarLocNames . tyClDeclTyVars - - -toTypeNoLoc :: Located Name -> LHsType Name -toTypeNoLoc = noLoc . HsTyVar . unLoc - - -extractClassDecl :: Name -> [Located Name] -> LSig Name -> LSig Name -extractClassDecl c tvs0 (L pos (TypeSig lname ltype _)) = case ltype of -  L _ (HsForAllTy expl _ tvs (L _ preds) ty) -> -    L pos (TypeSig lname (noLoc (HsForAllTy expl Nothing tvs (lctxt preds) ty)) []) -  _ -> L pos (TypeSig lname (noLoc (HsForAllTy Implicit Nothing emptyHsQTvs (lctxt []) ltype)) []) -  where -    lctxt = noLoc . ctxt -    ctxt preds = nlHsTyConApp c (map toTypeNoLoc tvs0) : preds -extractClassDecl _ _ _ = error "extractClassDecl: unexpected decl" -  extractRecSel :: Name -> Module -> Name -> [LHsType Name] -> [LConDecl Name]                -> LSig Name @@ -823,7 +804,7 @@ extractRecSel _ _ _ _ [] = error "extractRecSel: selector not found"  extractRecSel nm mdl t tvs (L _ con : rest) =    case con_details con of      RecCon (L _ fields) | ((l,L _ (ConDeclField _nn ty _)) : _) <- matching_fields fields -> -      L l (TypeSig [noLoc nm] (noLoc (HsFunTy data_ty (getBangType ty))) []) +      L l (TypeSig [noLoc nm] (mkEmptySigWcType (noLoc (HsFunTy data_ty (getBangType ty)))))      _ -> extractRecSel nm mdl t tvs rest   where    matching_fields :: [LConDeclField Name] -> [(SrcSpan, LConDeclField Name)] @@ -833,7 +814,6 @@ extractRecSel nm mdl t tvs (L _ con : rest) =      | ResTyGADT _ ty <- con_res con = ty      | otherwise = foldl' (\x y -> noLoc (HsAppTy x y)) (noLoc (HsTyVar t)) tvs -  -- | Keep export items with docs.  pruneExportItems :: [ExportItem Name] -> [ExportItem Name]  pruneExportItems = filter hasDoc diff --git a/haddock-api/src/Haddock/Interface/Rename.hs b/haddock-api/src/Haddock/Interface/Rename.hs index 033246a8..f95e527e 100644 --- a/haddock-api/src/Haddock/Interface/Rename.hs +++ b/haddock-api/src/Haddock/Interface/Rename.hs @@ -170,6 +170,12 @@ renameFnArgsDoc = mapM renameDoc  renameLType :: LHsType Name -> RnM (LHsType DocName)  renameLType = mapM renameType +renameLSigType :: LHsSigType Name -> RnM (LHsSigType DocName) +renameLSigType = renameImplicit renameLType + +renameLSigWcType :: LHsSigWcType Name -> RnM (LHsSigWcType DocName) +renameLSigWcType = renameImplicit (renameWc renameLType) +  renameLKind :: LHsKind Name -> RnM (LHsKind DocName)  renameLKind = renameLType @@ -198,11 +204,15 @@ renameMaybeInjectivityAnn = traverse renameInjectivityAnn  renameType :: HsType Name -> RnM (HsType DocName)  renameType t = case t of -  HsForAllTy expl extra tyvars lcontext ltype -> do -    tyvars'   <- renameLTyVarBndrs tyvars +  HsForAllTy { hst_bndrs = tyvars, hst_body = ltype } -> do +    tyvars'   <- mapM renameLTyVarBndr tyvars +    ltype'    <- renameLType ltype +    return (HsForAllTy { hst_bndrs = tyvars', hst_body = ltype' }) + +  HsQualTy { hst_ctxt = lcontext , hst_body = ltype } -> do      lcontext' <- renameLContext lcontext      ltype'    <- renameLType ltype -    return (HsForAllTy expl extra tyvars' lcontext' ltype') +    return (HsQualTy { hst_ctxt = lcontext', hst_body = ltype' })    HsTyVar n -> return . HsTyVar =<< rename n    HsBangTy b ltype -> return . HsBangTy b =<< renameLType ltype @@ -252,10 +262,10 @@ renameType t = case t of    HsSpliceTy _ _          -> error "renameType: HsSpliceTy"    HsWildCardTy a          -> HsWildCardTy <$> renameWildCardInfo a -renameLTyVarBndrs :: LHsTyVarBndrs Name -> RnM (LHsTyVarBndrs DocName) -renameLTyVarBndrs (HsQTvs { hsq_kvs = _, hsq_tvs = tvs }) +renameLHsQTyVars :: LHsQTyVars Name -> RnM (LHsQTyVars DocName) +renameLHsQTyVars (HsQTvs { hsq_kvs = _, hsq_tvs = tvs })    = do { tvs' <- mapM renameLTyVarBndr tvs -       ; return (HsQTvs { hsq_kvs = error "haddock:renameLTyVarBndrs", hsq_tvs = tvs' }) } +       ; return (HsQTvs { hsq_kvs = error "haddock:renameLHsQTyVars", hsq_tvs = tvs' }) }                  -- This is rather bogus, but I'm not sure what else to do  renameLTyVarBndr :: LHsTyVarBndr Name -> RnM (LHsTyVarBndr DocName) @@ -320,13 +330,13 @@ renameTyClD d = case d of    SynDecl { tcdLName = lname, tcdTyVars = tyvars, tcdRhs = rhs, tcdFVs = _fvs } -> do      lname'    <- renameL lname -    tyvars'   <- renameLTyVarBndrs tyvars +    tyvars'   <- renameLHsQTyVars tyvars      rhs'     <- renameLType rhs      return (SynDecl { tcdLName = lname', tcdTyVars = tyvars', tcdRhs = rhs', tcdFVs = placeHolderNames })    DataDecl { tcdLName = lname, tcdTyVars = tyvars, tcdDataDefn = defn, tcdFVs = _fvs } -> do      lname'    <- renameL lname -    tyvars'   <- renameLTyVarBndrs tyvars +    tyvars'   <- renameLHsQTyVars tyvars      defn'     <- renameDataDefn defn      return (DataDecl { tcdLName = lname', tcdTyVars = tyvars', tcdDataDefn = defn', tcdFVs = placeHolderNames }) @@ -334,7 +344,7 @@ renameTyClD d = case d of              , tcdFDs = lfundeps, tcdSigs = lsigs, tcdATs = ats, tcdATDefs = at_defs } -> do      lcontext' <- renameLContext lcontext      lname'    <- renameL lname -    ltyvars'  <- renameLTyVarBndrs ltyvars +    ltyvars'  <- renameLHsQTyVars ltyvars      lfundeps' <- mapM renameLFunDep lfundeps      lsigs'    <- mapM renameLSig lsigs      ats'      <- mapM (renameLThing renameFamilyDecl) ats @@ -358,7 +368,7 @@ renameFamilyDecl (FamilyDecl { fdInfo = info, fdLName = lname                               , fdInjectivityAnn = injectivity }) = do      info'        <- renameFamilyInfo info      lname'       <- renameL lname -    ltyvars'     <- renameLTyVarBndrs ltyvars +    ltyvars'     <- renameLHsQTyVars ltyvars      result'      <- renameFamilyResultSig result      injectivity' <- renameMaybeInjectivityAnn injectivity      return (FamilyDecl { fdInfo = info', fdLName = lname' @@ -387,7 +397,7 @@ renameCon decl@(ConDecl { con_names = lnames, con_qvars = ltyvars                          , con_cxt = lcontext, con_details = details                          , con_res = restype, con_doc = mbldoc }) = do        lnames'   <- mapM renameL lnames -      ltyvars'  <- renameLTyVarBndrs ltyvars +      ltyvars'  <- renameLHsQTyVars ltyvars        lcontext' <- renameLContext lcontext        details'  <- renameDetails details        restype'  <- renameResType restype @@ -423,17 +433,14 @@ renameLFieldOcc (L l (FieldOcc lbl sel)) = do  renameSig :: Sig Name -> RnM (Sig DocName)  renameSig sig = case sig of -  TypeSig lnames ltype _ -> do +  TypeSig lnames ltype -> do      lnames' <- mapM renameL lnames -    ltype' <- renameLType ltype -    return (TypeSig lnames' ltype' PlaceHolder) -  PatSynSig lname (flag, qtvs) lreq lprov lty -> do +    ltype' <- renameLSigWcType ltype +    return (TypeSig lnames' ltype') +  PatSynSig lname sig_ty -> do      lname' <- renameL lname -    qtvs' <- renameLTyVarBndrs qtvs -    lreq' <- renameLContext lreq -    lprov' <- renameLContext lprov -    lty' <- renameLType lty -    return $ PatSynSig lname' (flag, qtvs') lreq' lprov' lty' +    sig_ty' <- renameLSigType sig_ty +    return $ PatSynSig lname' sig_ty'    FixSig (FixitySig lnames fixity) -> do      lnames' <- mapM renameL lnames      return $ FixSig (FixitySig lnames' fixity) @@ -445,11 +452,11 @@ renameSig sig = case sig of  renameForD :: ForeignDecl Name -> RnM (ForeignDecl DocName)  renameForD (ForeignImport lname ltype co x) = do    lname' <- renameL lname -  ltype' <- renameLType ltype +  ltype' <- renameLSigType ltype    return (ForeignImport lname' ltype' co x)  renameForD (ForeignExport lname ltype co x) = do    lname' <- renameL lname -  ltype' <- renameLType ltype +  ltype' <- renameLSigType ltype    return (ForeignExport lname' ltype' co x) @@ -468,7 +475,7 @@ renameClsInstD :: ClsInstDecl Name -> RnM (ClsInstDecl DocName)  renameClsInstD (ClsInstDecl { cid_overlap_mode = omode                              , cid_poly_ty =ltype, cid_tyfam_insts = lATs                              , cid_datafam_insts = lADTs }) = do -  ltype' <- renameLType ltype +  ltype' <- renameLSigType ltype    lATs'  <- mapM (mapM renameTyFamInstD) lATs    lADTs' <- mapM (mapM renameDataFamInstD) lADTs    return (ClsInstDecl { cid_overlap_mode = omode @@ -484,33 +491,48 @@ renameTyFamInstD (TyFamInstDecl { tfid_eqn = eqn })                                 , tfid_fvs = placeHolderNames }) }  renameLTyFamInstEqn :: LTyFamInstEqn Name -> RnM (LTyFamInstEqn DocName) -renameLTyFamInstEqn (L loc (TyFamEqn { tfe_tycon = tc, tfe_pats = pats_w_bndrs, tfe_rhs = rhs })) +renameLTyFamInstEqn (L loc (TyFamEqn { tfe_tycon = tc, tfe_pats = pats, tfe_rhs = rhs }))    = do { tc' <- renameL tc -       ; pats' <- mapM renameLType (hswb_cts pats_w_bndrs) +       ; pats' <- renameImplicit (mapM renameLType) pats         ; rhs' <- renameLType rhs         ; return (L loc (TyFamEqn { tfe_tycon = tc' -                                 , tfe_pats = HsWB pats' PlaceHolder PlaceHolder PlaceHolder +                                 , tfe_pats = pats'                                   , tfe_rhs = rhs' })) }  renameLTyFamDefltEqn :: LTyFamDefltEqn Name -> RnM (LTyFamDefltEqn DocName)  renameLTyFamDefltEqn (L loc (TyFamEqn { tfe_tycon = tc, tfe_pats = tvs, tfe_rhs = rhs })) -  = do { tc' <- renameL tc -       ; tvs'  <- renameLTyVarBndrs tvs +  = do { tc'  <- renameL tc +       ; tvs' <- renameLHsQTyVars tvs         ; rhs' <- renameLType rhs         ; return (L loc (TyFamEqn { tfe_tycon = tc'                                   , tfe_pats = tvs'                                   , tfe_rhs = rhs' })) }  renameDataFamInstD :: DataFamInstDecl Name -> RnM (DataFamInstDecl DocName) -renameDataFamInstD (DataFamInstDecl { dfid_tycon = tc, dfid_pats = pats_w_bndrs, dfid_defn = defn }) +renameDataFamInstD (DataFamInstDecl { dfid_tycon = tc, dfid_pats = pats, dfid_defn = defn })    = do { tc' <- renameL tc -       ; pats' <- mapM renameLType (hswb_cts pats_w_bndrs) +       ; pats' <- renameImplicit (mapM renameLType) pats         ; defn' <- renameDataDefn defn         ; return (DataFamInstDecl { dfid_tycon = tc' -                                 , dfid_pats -                                       = HsWB pats' PlaceHolder PlaceHolder PlaceHolder +                                 , dfid_pats = pats'                                   , dfid_defn = defn', dfid_fvs = placeHolderNames }) } +renameImplicit :: (in_thing -> RnM out_thing) +               -> HsImplicitBndrs Name in_thing +               -> RnM (HsImplicitBndrs DocName out_thing) +renameImplicit rn_thing (HsIB { hsib_body = thing }) +  = do { thing' <- rn_thing thing +       ; return (HsIB { hsib_body = thing' +                      , hsib_kvs = PlaceHolder, hsib_tvs = PlaceHolder }) } + +renameWc :: (in_thing -> RnM out_thing) +         -> HsWildCardBndrs Name in_thing +         -> RnM (HsWildCardBndrs DocName out_thing) +renameWc rn_thing (HsWC { hswc_body = thing }) +  = do { thing' <- rn_thing thing +       ; return (HsWC { hswc_body = thing' +                      , hswc_wcs = PlaceHolder, hswc_ctx = Nothing }) } +  renameExportItem :: ExportItem Name -> RnM (ExportItem DocName)  renameExportItem item = case item of    ExportModule mdl -> return (ExportModule mdl) diff --git a/haddock-api/src/Haddock/Utils.hs b/haddock-api/src/Haddock/Utils.hs index c2e1b09a..f7a32dd3 100644 --- a/haddock-api/src/Haddock/Utils.hs +++ b/haddock-api/src/Haddock/Utils.hs @@ -16,6 +16,7 @@ module Haddock.Utils (    -- * Misc utilities    restrictTo, emptyHsQTvs,    toDescription, toInstalledDescription, +  mkEmptySigWcType, addClassContext, lHsQTyVarsToTypes,    -- * Filename utilities    moduleHtmlFile, moduleHtmlFile', @@ -124,6 +125,34 @@ toInstalledDescription = fmap mkMeta . hmi_description . instInfo  mkMeta :: Doc a -> MDoc a  mkMeta x = emptyMetaDoc { _doc = x } +mkEmptySigWcType :: LHsType Name -> LHsSigWcType Name +-- Dubious, because the implicit binders are empty even +-- though the type might have free varaiables +mkEmptySigWcType ty = mkEmptyImplicitBndrs (mkEmptyWildCardBndrs ty) + +addClassContext :: Name -> LHsQTyVars Name -> LSig Name -> LSig Name +-- Add the class context to a class-op signature +addClassContext cls tvs0 (L pos (ClassOpSig _ lname ltype)) +  = L pos (TypeSig lname (mkEmptySigWcType (go (hsSigType ltype)))) +          -- The mkEmptySigWcType is suspicious +  where +    go (L loc (HsForAllTy { hst_bndrs = tvs, hst_body = ty })) +       = L loc (HsForAllTy { hst_bndrs = tvs, hst_body = go ty }) +    go (L loc (HsQualTy { hst_ctxt = ctxt, hst_body = ty })) +       = L loc (HsQualTy { hst_ctxt = add_ctxt ctxt, hst_body = ty }) +    go (L loc ty) +       = L loc (HsQualTy { hst_ctxt = add_ctxt (L loc []), hst_body = L loc ty }) + +    extra_pred = nlHsTyConApp cls (lHsQTyVarsToTypes tvs0) +    add_ctxt (L loc preds) = L loc (extra_pred : preds) + +addClassContext _ _ sig = sig   -- E.g. a MinimalSig is fine + +lHsQTyVarsToTypes :: LHsQTyVars Name -> [LHsType Name] +lHsQTyVarsToTypes tvs +  = [ noLoc (HsTyVar (hsLTyVarName tv)) +    | tv <- hsQTvBndrs tvs ] +  --------------------------------------------------------------------------------  -- * Making abstract declarations  -------------------------------------------------------------------------------- @@ -177,7 +206,7 @@ restrictDecls names = mapMaybe (filterLSigNames (`elem` names))  restrictATs :: [Name] -> [LFamilyDecl Name] -> [LFamilyDecl Name]  restrictATs names ats = [ at | at <- ats , unL (fdLName (unL at)) `elem` names ] -emptyHsQTvs :: LHsTyVarBndrs Name +emptyHsQTvs :: LHsQTyVars Name  -- This function is here, rather than in HsTypes, because it *renamed*, but  -- does not necessarily have all the rigt kind variables.  It is used  -- in Haddock just for printing, so it doesn't matter | 
