Visible kind application haddock update

10 files changed, 76 insertions, 24 deletions

diff --git a/haddock-api/src/Haddock/Backends/Hoogle.hs b/haddock-api/src/Haddock/Backends/Hoogle.hs
index b3b46a47..16ec582e 100644
--- a/haddock-api/src/Haddock/Backends/Hoogle.hs
+++ b/haddock-api/src/Haddock/Backends/Hoogle.hs
@@ -76,6 +76,7 @@ dropHsDocTy = f
         f (HsQualTy x a e) = HsQualTy x a (g e)
         f (HsBangTy x a b) = HsBangTy x a (g b)
         f (HsAppTy x a b) = HsAppTy x (g a) (g b)
+        f (HsAppKindTy x a b) = HsAppKindTy x (g a) (g b)
         f (HsFunTy x a b) = HsFunTy x (g a) (g b)
         f (HsListTy x a) = HsListTy x (g a)
         f (HsTupleTy x a b) = HsTupleTy x a (map g b)
diff --git a/haddock-api/src/Haddock/Backends/LaTeX.hs b/haddock-api/src/Haddock/Backends/LaTeX.hs
index 1222b3f1..12256a00 100644
--- a/haddock-api/src/Haddock/Backends/LaTeX.hs
+++ b/haddock-api/src/Haddock/Backends/LaTeX.hs
@@ -345,7 +345,7 @@ ppFamDecl doc instances decl unicode =
     ppFamDeclEqn (HsIB { hsib_body = FamEqn { feqn_tycon = L _ n
                                             , feqn_rhs = rhs
                                             , feqn_pats = ts } })
-      = hsep [ ppAppNameTypes n (map unLoc ts) unicode
+      = hsep [ ppAppNameTypeArgs n ts unicode
              , equals
              , ppType unicode (unLoc rhs)
              ]
@@ -908,6 +908,11 @@ ppAppDocNameTyVarBndrs unicode n vs =
 ppAppNameTypes :: DocName -> [HsType DocNameI] -> Bool -> LaTeX
 ppAppNameTypes n ts unicode = ppTypeApp n ts ppDocName (ppParendType unicode)
 
+ppAppNameTypeArgs :: DocName -> [LHsTypeArg DocNameI] -> Bool -> LaTeX
+ppAppNameTypeArgs n args@(HsValArg _:HsValArg _:_) unicode
+  = ppTypeApp n args ppDocName (ppLHsTypeArg unicode)
+ppAppNameTypeArgs n args unicode
+  = ppDocName n <+> hsep (map (ppLHsTypeArg unicode) args)
 
 -- | Print an application of a DocName and a list of Names
 ppAppDocNameNames :: Bool -> DocName -> [Name] -> LaTeX
@@ -926,7 +931,6 @@ ppTypeApp n (t1:t2:rest) ppDN ppT
 
 ppTypeApp n ts ppDN ppT = ppDN n <+> hsep (map ppT ts)
 
-
 -------------------------------------------------------------------------------
 -- * Contexts
 -------------------------------------------------------------------------------
@@ -997,6 +1001,12 @@ ppType       unicode ty = ppr_mono_ty (reparenTypePrec PREC_TOP ty) unicode
 ppParendType unicode ty = ppr_mono_ty (reparenTypePrec PREC_TOP ty) unicode
 ppFunLhType  unicode ty = ppr_mono_ty (reparenTypePrec PREC_FUN ty) unicode
 
+ppLHsTypeArg :: Bool -> LHsTypeArg DocNameI -> LaTeX
+ppLHsTypeArg unicode (HsValArg ty) = ppLParendType unicode ty
+ppLHsTypeArg unicode (HsTypeArg ki) = atSign unicode <>
+                                     ppLParendType unicode ki
+ppLHsTypeArg _ (HsArgPar _) = text ""                                     
+
 ppHsTyVarBndr :: Bool -> HsTyVarBndr DocNameI -> LaTeX
 ppHsTyVarBndr _ (UserTyVar _ (L _ name)) = ppDocName name
 ppHsTyVarBndr unicode (KindedTyVar _ (L _ name) kind) =
@@ -1046,6 +1056,9 @@ ppr_mono_ty (HsExplicitTupleTy _ tys) u = Pretty.quote $ parenList $ map (ppLTyp
 ppr_mono_ty (HsAppTy _ fun_ty arg_ty) unicode
   = hsep [ppr_mono_lty fun_ty unicode, ppr_mono_lty arg_ty unicode]
 
+ppr_mono_ty (HsAppKindTy _ fun_ty arg_ki) unicode
+  = hsep [ppr_mono_lty fun_ty unicode, atSign unicode <> ppr_mono_lty arg_ki unicode]
+
 ppr_mono_ty (HsOpTy _ ty1 op ty2) unicode
   = ppr_mono_lty ty1 unicode <+> ppr_op <+> ppr_mono_lty ty2 unicode
   where
@@ -1059,7 +1072,7 @@ ppr_mono_ty (HsParTy _ ty) unicode
 ppr_mono_ty (HsDocTy _ ty _) unicode
   = ppr_mono_lty ty unicode
 
-ppr_mono_ty (HsWildCardTy (AnonWildCard _)) _ = text "\\_"
+ppr_mono_ty (HsWildCardTy _) _ = text "\\_"
 
 ppr_mono_ty (HsTyLit _ t) u = ppr_tylit t u
 ppr_mono_ty (HsStarTy _ isUni) unicode = starSymbol (isUni || unicode)
@@ -1315,12 +1328,13 @@ quote :: LaTeX -> LaTeX
 quote doc = text "\\begin{quote}" $$ doc $$ text "\\end{quote}"
 
 
-dcolon, arrow, darrow, forallSymbol, starSymbol :: Bool -> LaTeX
+dcolon, arrow, darrow, forallSymbol, starSymbol, atSign :: Bool -> LaTeX
 dcolon unicode = text (if unicode then "∷" else "::")
 arrow  unicode = text (if unicode then "→" else "->")
 darrow unicode = text (if unicode then "⇒" else "=>")
 forallSymbol unicode = text (if unicode then "∀" else "forall")
 starSymbol unicode = text (if unicode then "★" else "*")
+atSign unicode = text (if unicode then "@" else "@")
 
 dot :: LaTeX
 dot = char '.'
diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
index 819a4747..9952721c 100644
--- a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
+++ b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
@@ -315,7 +315,7 @@ ppFamDecl summary associated links instances fixities loc doc decl splice unicod
     ppFamDeclEqn (HsIB { hsib_body = FamEqn { feqn_tycon = L _ n
                                             , feqn_rhs = rhs
                                             , feqn_pats = ts } })
-      = ( ppAppNameTypes n (map unLoc ts) unicode qual
+      = ( ppAppNameTypeArgs n ts unicode qual
           <+> equals <+> ppType unicode qual HideEmptyContexts (unLoc rhs)
         , Nothing
         , []
@@ -418,6 +418,11 @@ ppAppNameTypes :: DocName -> [HsType DocNameI] -> Unicode -> Qualification -> Ht
 ppAppNameTypes n ts unicode qual =
     ppTypeApp n ts (\p -> ppDocName qual p True) (ppParendType unicode qual HideEmptyContexts)
 
+ppAppNameTypeArgs :: DocName -> [LHsTypeArg DocNameI] -> Unicode -> Qualification -> Html
+ppAppNameTypeArgs n args@(HsValArg _:HsValArg _:_) u q
+  = ppTypeApp n args (\p -> ppDocName q p True) (ppLHsTypeArg u q HideEmptyContexts)
+ppAppNameTypeArgs n args u q
+  = (ppDocName q Prefix True n) <+> hsep (map (ppLHsTypeArg u q HideEmptyContexts) args)
 
 -- | General printing of type applications
 ppTypeApp :: DocName -> [a] -> (Notation -> DocName -> Html) -> (a -> Html) -> Html
@@ -430,7 +435,6 @@ ppTypeApp n (t1:t2:rest) ppDN ppT
 
 ppTypeApp n ts ppDN ppT = ppDN Prefix n <+> hsep (map ppT ts)
 
-
 -------------------------------------------------------------------------------
 -- * Contexts
 -------------------------------------------------------------------------------
@@ -1103,6 +1107,11 @@ ppType       unicode qual emptyCtxts ty = ppr_mono_ty (reparenTypePrec PREC_TOP
 ppParendType unicode qual emptyCtxts ty = ppr_mono_ty (reparenTypePrec PREC_CON ty) unicode qual emptyCtxts
 ppFunLhType  unicode qual emptyCtxts ty = ppr_mono_ty (reparenTypePrec PREC_FUN ty) unicode qual emptyCtxts
 
+ppLHsTypeArg :: Unicode -> Qualification -> HideEmptyContexts -> LHsTypeArg DocNameI -> Html
+ppLHsTypeArg unicode qual emptyCtxts (HsValArg ty) = ppLParendType unicode qual emptyCtxts ty
+ppLHsTypeArg unicode qual emptyCtxts (HsTypeArg ki) = atSign unicode <>
+                                                     ppLParendType unicode qual emptyCtxts ki
+ppLHsTypeArg _ _ _ (HsArgPar _) = toHtml ""
 ppHsTyVarBndr :: Unicode -> Qualification -> HsTyVarBndr DocNameI -> Html
 ppHsTyVarBndr _       qual (UserTyVar _ (L _ name)) =
     ppDocName qual Raw False name
@@ -1195,6 +1204,10 @@ ppr_mono_ty (HsAppTy _ fun_ty arg_ty) unicode qual _
   = hsep [ ppr_mono_lty fun_ty unicode qual HideEmptyContexts
          , ppr_mono_lty arg_ty unicode qual HideEmptyContexts ]
 
+ppr_mono_ty (HsAppKindTy _ fun_ty arg_ki) unicode qual _
+  = hsep [ppr_mono_lty fun_ty unicode qual HideEmptyContexts
+         , atSign unicode <> ppr_mono_lty arg_ki unicode qual HideEmptyContexts]
+
 ppr_mono_ty (HsOpTy _ ty1 op ty2) unicode qual _
   = ppr_mono_lty ty1 unicode qual HideEmptyContexts <+> ppr_op <+> ppr_mono_lty ty2 unicode qual HideEmptyContexts
   where
@@ -1212,7 +1225,7 @@ ppr_mono_ty (HsParTy _ ty) unicode qual emptyCtxts
 ppr_mono_ty (HsDocTy _ ty _) unicode qual emptyCtxts
   = ppr_mono_lty ty unicode qual emptyCtxts
 
-ppr_mono_ty (HsWildCardTy (AnonWildCard _)) _ _ _ = char '_'
+ppr_mono_ty (HsWildCardTy _) _ _ _ = char '_'
 ppr_mono_ty (HsTyLit _ n) _ _ _ = ppr_tylit n
 
 ppr_tylit :: HsTyLit -> Html
diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Utils.hs b/haddock-api/src/Haddock/Backends/Xhtml/Utils.hs
index 62781fd0..c3acb6df 100644
--- a/haddock-api/src/Haddock/Backends/Xhtml/Utils.hs
+++ b/haddock-api/src/Haddock/Backends/Xhtml/Utils.hs
@@ -22,6 +22,7 @@ module Haddock.Backends.Xhtml.Utils (
 
   braces, brackets, pabrackets, parens, parenList, ubxParenList, ubxSumList,
   arrow, comma, dcolon, dot, darrow, equals, forallSymbol, quote, promoQuote,
+  atSign,
 
   hsep, vcat,
 
@@ -186,12 +187,12 @@ ubxparens :: Html -> Html
 ubxparens h = toHtml "(#" <+> h <+> toHtml "#)"
 
 
-dcolon, arrow, darrow, forallSymbol :: Bool -> Html
+dcolon, arrow, darrow, forallSymbol, atSign :: Bool -> Html
 dcolon unicode = toHtml (if unicode then "∷" else "::")
 arrow  unicode = toHtml (if unicode then "→" else "->")
 darrow unicode = toHtml (if unicode then "⇒" else "=>")
 forallSymbol unicode = if unicode then toHtml "∀" else keyword "forall"
-
+atSign unicode = toHtml (if unicode then "@" else "@")
 
 dot :: Html
 dot = toHtml "."
diff --git a/haddock-api/src/Haddock/Convert.hs b/haddock-api/src/Haddock/Convert.hs
index 291af8de..5312bfc7 100644
--- a/haddock-api/src/Haddock/Convert.hs
+++ b/haddock-api/src/Haddock/Convert.hs
@@ -125,7 +125,7 @@ synifyAxBranch tc (CoAxBranch { cab_tvs = tkvs, cab_lhs = args, cab_rhs = rhs })
                                    , feqn_tycon  = name
                                    , feqn_bndrs  = Nothing
                                        -- this must change eventually
-                                   , feqn_pats   = annot_typats
+                                   , feqn_pats   = map HsValArg annot_typats
                                    , feqn_fixity = Prefix
                                    , feqn_rhs    = hs_rhs } }
   where
diff --git a/haddock-api/src/Haddock/GhcUtils.hs b/haddock-api/src/Haddock/GhcUtils.hs
index 7f45bb61..cdaf6ae4 100644
--- a/haddock-api/src/Haddock/GhcUtils.hs
+++ b/haddock-api/src/Haddock/GhcUtils.hs
@@ -264,6 +264,8 @@ reparenTypePrec = go
     = paren p PREC_FUN $ HsFunTy x (goL PREC_FUN ty1) (goL PREC_TOP ty2)
   go p (HsAppTy x fun_ty arg_ty)
     = paren p PREC_CON $ HsAppTy x (goL PREC_FUN fun_ty) (goL PREC_CON arg_ty)
+  go p (HsAppKindTy x fun_ty arg_ki)
+    = paren p PREC_CON $ HsAppKindTy x (goL PREC_FUN fun_ty) (goL PREC_CON arg_ki)
   go p (HsOpTy x ty1 op ty2)
     = paren p PREC_FUN $ HsOpTy x (goL PREC_OP ty1) op (goL PREC_OP ty2)
   go p (HsParTy _ t) = unLoc $ goL p t -- pretend the paren doesn't exist - it will be added back if needed
diff --git a/haddock-api/src/Haddock/Interface/Create.hs b/haddock-api/src/Haddock/Interface/Create.hs
index c72d5f38..c9290ed0 100644
--- a/haddock-api/src/Haddock/Interface/Create.hs
+++ b/haddock-api/src/Haddock/Interface/Create.hs
@@ -1076,8 +1076,8 @@ extractDecl declMap name decl
       TyClD _ d@DataDecl {} ->
         let (n, tyvar_tys) = (tcdName d, lHsQTyVarsToTypes (tyClDeclTyVars d))
         in if isDataConName name
-           then SigD noExt <$> extractPatternSyn name n tyvar_tys (dd_cons (tcdDataDefn d))
-           else SigD noExt <$> extractRecSel name n tyvar_tys (dd_cons (tcdDataDefn d))
+           then SigD noExt <$> extractPatternSyn name n (map HsValArg tyvar_tys) (dd_cons (tcdDataDefn d))
+           else SigD noExt <$> extractRecSel name n (map HsValArg tyvar_tys) (dd_cons (tcdDataDefn d))
       TyClD _ FamDecl {}
         | isValName name
         , Just (famInst:_) <- M.lookup name declMap
@@ -1116,8 +1116,7 @@ extractDecl declMap name decl
         O.text "Unhandled decl for" O.<+> O.ppr name O.<> O.text ":"
         O.$$ O.nest 4 (O.ppr decl)
 
-
-extractPatternSyn :: Name -> Name -> [LHsType GhcRn] -> [LConDecl GhcRn] -> LSig GhcRn
+extractPatternSyn :: Name -> Name -> [LHsTypeArg GhcRn] -> [LConDecl GhcRn] -> LSig GhcRn
 extractPatternSyn nm t tvs cons =
   case filter matches cons of
     [] -> error "extractPatternSyn: constructor pattern not found"
@@ -1145,9 +1144,13 @@ extractPatternSyn nm t tvs cons =
 
   data_ty con
     | ConDeclGADT{} <- con = con_res_ty con
-    | otherwise = foldl' (\x y -> noLoc (HsAppTy noExt x y)) (noLoc (HsTyVar noExt NotPromoted (noLoc t))) tvs
+    | otherwise = foldl' (\x y -> noLoc (mkAppTyArg x y)) (noLoc (HsTyVar noExt NotPromoted (noLoc t))) tvs
+                    where mkAppTyArg :: LHsType GhcRn -> LHsTypeArg GhcRn -> HsType GhcRn
+                          mkAppTyArg f (HsValArg ty) = HsAppTy noExt f ty
+                          mkAppTyArg f (HsTypeArg ki) = HsAppKindTy noExt f ki
+                          mkAppTyArg f (HsArgPar _) = HsParTy noExt f
 
-extractRecSel :: Name -> Name -> [LHsType GhcRn] -> [LConDecl GhcRn]
+extractRecSel :: Name -> Name -> [LHsTypeArg GhcRn] -> [LConDecl GhcRn]
               -> LSig GhcRn
 extractRecSel _ _ _ [] = error "extractRecSel: selector not found"
 
@@ -1163,7 +1166,11 @@ extractRecSel nm t tvs (L _ con : rest) =
   data_ty
     -- ResTyGADT _ ty <- con_res con = ty
     | ConDeclGADT{} <- con = con_res_ty con
-    | otherwise = foldl' (\x y -> noLoc (HsAppTy noExt x y)) (noLoc (HsTyVar noExt NotPromoted (noLoc t))) tvs
+    | otherwise = foldl' (\x y -> noLoc (mkAppTyArg x y)) (noLoc (HsTyVar noExt NotPromoted (noLoc t))) tvs
+                   where mkAppTyArg :: LHsType GhcRn -> LHsTypeArg GhcRn -> HsType GhcRn
+                         mkAppTyArg f (HsValArg ty) = HsAppTy noExt f ty
+                         mkAppTyArg f (HsTypeArg ki) = HsAppKindTy noExt f ki
+                         mkAppTyArg f (HsArgPar _) = HsParTy noExt f 
 
 -- | Keep export items with docs.
 pruneExportItems :: [ExportItem GhcRn] -> [ExportItem GhcRn]
diff --git a/haddock-api/src/Haddock/Interface/Rename.hs b/haddock-api/src/Haddock/Interface/Rename.hs
index c6160b2b..57e6d699 100644
--- a/haddock-api/src/Haddock/Interface/Rename.hs
+++ b/haddock-api/src/Haddock/Interface/Rename.hs
@@ -183,6 +183,13 @@ renameFnArgsDoc = mapM renameDoc
 renameLType :: LHsType GhcRn -> RnM (LHsType DocNameI)
 renameLType = mapM renameType
 
+renameLTypeArg :: LHsTypeArg GhcRn -> RnM (LHsTypeArg DocNameI)
+renameLTypeArg (HsValArg ty) = do { ty' <- renameLType ty
+                                     ; return $ HsValArg ty' }
+renameLTypeArg (HsTypeArg ki) = do { ki' <- renameLKind ki
+                                 ; return $ HsTypeArg ki' }
+renameLTypeArg (HsArgPar sp) = return $ HsArgPar sp
+
 renameLSigType :: LHsSigType GhcRn -> RnM (LHsSigType DocNameI)
 renameLSigType = renameImplicit renameLType
 
@@ -238,6 +245,11 @@ renameType t = case t of
     b' <- renameLType b
     return (HsAppTy NoExt a' b')
 
+  HsAppKindTy _ a b -> do
+    a' <- renameLType a
+    b' <- renameLKind b
+    return (HsAppKindTy NoExt a' b')
+
   HsFunTy _ a b -> do
     a' <- renameLType a
     b' <- renameLType b
@@ -274,7 +286,7 @@ renameType t = case t of
   HsExplicitListTy i a b  -> HsExplicitListTy i a <$> mapM renameLType b
   HsExplicitTupleTy a b   -> HsExplicitTupleTy a <$> mapM renameLType b
   HsSpliceTy _ s          -> renameHsSpliceTy s
-  HsWildCardTy a          -> HsWildCardTy <$> renameWildCardInfo a
+  HsWildCardTy a          -> pure (HsWildCardTy a)
 
 -- | Rename splices, but _only_ those that turn out to be for types.
 -- I think this is actually safe for our possible inputs:
@@ -309,9 +321,6 @@ renameLContext (L loc context) = do
   context' <- mapM renameLType context
   return (L loc context')
 
-renameWildCardInfo :: HsWildCardInfo -> RnM HsWildCardInfo
-renameWildCardInfo (AnonWildCard  (L l name)) = return (AnonWildCard (L l name))
-
 renameInstHead :: InstHead GhcRn -> RnM (InstHead DocNameI)
 renameInstHead InstHead {..} = do
   cname <- rename ihdClsName
@@ -603,7 +612,7 @@ renameTyFamInstEqn eqn
                               , feqn_rhs = rhs })
       = do { tc' <- renameL tc
            ; bndrs' <- traverse (mapM renameLTyVarBndr) bndrs
-           ; pats' <- mapM renameLType pats
+           ; pats' <- mapM renameLTypeArg pats
            ; rhs' <- renameLType rhs
            ; return (FamEqn { feqn_ext    = noExt
                             , feqn_tycon  = tc'
@@ -640,7 +649,7 @@ renameDataFamInstD (DataFamInstDecl { dfid_eqn = eqn })
                                 , feqn_rhs = defn })
       = do { tc' <- renameL tc
            ; bndrs' <- traverse (mapM renameLTyVarBndr) bndrs
-           ; pats' <- mapM renameLType pats
+           ; pats' <- mapM renameLTypeArg pats
            ; defn' <- renameDataDefn defn
            ; return (FamEqn { feqn_ext    = noExt
                             , feqn_tycon  = tc'
diff --git a/haddock-api/src/Haddock/Interface/Specialize.hs b/haddock-api/src/Haddock/Interface/Specialize.hs
index 5ab3a7ee..6fd528af 100644
--- a/haddock-api/src/Haddock/Interface/Specialize.hs
+++ b/haddock-api/src/Haddock/Interface/Specialize.hs
@@ -255,6 +255,7 @@ renameType (HsQualTy x lctxt lt) =
 renameType (HsTyVar x ip name) = HsTyVar x ip <$> located renameName name
 renameType t@(HsStarTy _ _) = pure t
 renameType (HsAppTy x lf la) = HsAppTy x <$> renameLType lf <*> renameLType la
+renameType (HsAppKindTy x lt lk) = HsAppKindTy x <$> renameLType lt <*> renameLKind lk
 renameType (HsFunTy x la lr) = HsFunTy x <$> renameLType la <*> renameLType lr
 renameType (HsListTy x lt) = HsListTy x <$> renameLType lt
 renameType (HsTupleTy x srt lt) = HsTupleTy x srt <$> mapM renameLType lt
@@ -280,6 +281,8 @@ renameType (HsWildCardTy wc) = pure (HsWildCardTy wc)
 renameLType :: LHsType GhcRn -> Rename (IdP GhcRn) (LHsType GhcRn)
 renameLType = located renameType
 
+renameLKind :: LHsKind GhcRn -> Rename (IdP GhcRn) (LHsKind GhcRn)
+renameLKind = renameLType
 
 renameLTypes :: [LHsType GhcRn] -> Rename (IdP GhcRn) [LHsType GhcRn]
 renameLTypes = mapM renameLType
diff --git a/haddock-api/src/Haddock/Types.hs b/haddock-api/src/Haddock/Types.hs
index c1b8328d..2f5d0a9a 100644
--- a/haddock-api/src/Haddock/Types.hs
+++ b/haddock-api/src/Haddock/Types.hs
@@ -1,5 +1,6 @@
 {-# LANGUAGE CPP, DeriveDataTypeable, DeriveFunctor, DeriveFoldable, DeriveTraversable, StandaloneDeriving, TypeFamilies, RecordWildCards #-}
 {-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE PartialTypeSignatures #-}
 {-# LANGUAGE UndecidableInstances #-} -- Note [Pass sensitive types]
 {-# LANGUAGE FlexibleInstances #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
@@ -674,6 +675,7 @@ type instance XQualTy          DocNameI = NoExt
 type instance XTyVar           DocNameI = NoExt
 type instance XStarTy          DocNameI = NoExt
 type instance XAppTy           DocNameI = NoExt
+type instance XAppKindTy       DocNameI = NoExt
 type instance XFunTy           DocNameI = NoExt
 type instance XListTy          DocNameI = NoExt
 type instance XTupleTy         DocNameI = NoExt
@@ -689,7 +691,7 @@ type instance XRecTy           DocNameI = NoExt
 type instance XExplicitListTy  DocNameI = NoExt
 type instance XExplicitTupleTy DocNameI = NoExt
 type instance XTyLit           DocNameI = NoExt
-type instance XWildCardTy      DocNameI = HsWildCardInfo
+type instance XWildCardTy      DocNameI = NoExt
 type instance XXType           DocNameI = NewHsTypeX
 
 type instance XUserTyVar    DocNameI = NoExt