diff options
| -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 | 67 | ||||
| -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, 297 insertions, 309 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 _ diff --git a/haddock-api/src/Haddock/Convert.hs b/haddock-api/src/Haddock/Convert.hs index a61e3696..ce71cf86 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) @@ -305,32 +297,40 @@ 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 } 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 @@ -348,6 +348,15 @@ 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) @@ -386,15 +395,13 @@ 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 5b9532e6..f7eb5a82 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 131082cd..3640d348 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) @@ -447,11 +454,11 @@ 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) @@ -470,7 +477,7 @@ 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 @@ -486,33 +493,48 @@ 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 |