diff options
Diffstat (limited to 'haddock-api/src/Haddock/Backends')
| -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 |
4 files changed, 156 insertions, 206 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 8996fc87..dca16408 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 @@ -488,13 +482,13 @@ ppClassDecl summary links instances fixities loc d subdocs minimalBit = case [ s | L _ (MinimalSig _ (L _ s)) <- lsigs ] of -- Miminal complete definition = every shown method - And xs : _ | sort [getName n | L _ (Var (L _ n)) <- xs] == + And xs : _ | sort [getName n | Var (L _ n) <- xs] == 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 @@ -666,23 +660,23 @@ 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 @@ -712,12 +706,19 @@ 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 @@ -850,38 +851,36 @@ 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 _ |