diff options
Diffstat (limited to 'haddock-api/src/Haddock/Interface')
-rw-r--r-- | haddock-api/src/Haddock/Interface/Create.hs | 17 | ||||
-rw-r--r-- | haddock-api/src/Haddock/Interface/Rename.hs | 70 | ||||
-rw-r--r-- | haddock-api/src/Haddock/Interface/Specialize.hs | 69 |
3 files changed, 87 insertions, 69 deletions
diff --git a/haddock-api/src/Haddock/Interface/Create.hs b/haddock-api/src/Haddock/Interface/Create.hs index ecaf1a5d..a0e56f07 100644 --- a/haddock-api/src/Haddock/Interface/Create.hs +++ b/haddock-api/src/Haddock/Interface/Create.hs @@ -422,7 +422,7 @@ mkMaps dflags pkgName gre instances decls = do -- The CoAx's loc is the whole line, but only for TFs. The -- workaround is to dig into the family instance declaration and -- get the identifier with the right location. - TyFamInstD _ (TyFamInstDecl d') -> getLoc (feqn_tycon (hsib_body d')) + TyFamInstD _ (TyFamInstDecl d') -> getLoc (feqn_tycon d') _ -> getInstLoc d names l (DerivD {}) = maybeToList (M.lookup l instanceMap) -- See note [2]. names _ decl = getMainDeclBinder decl @@ -904,26 +904,23 @@ extractDecl declMap name decl | isValName name , Just (famInst:_) <- M.lookup name declMap -> extractDecl declMap name famInst - InstD _ (DataFamInstD _ (DataFamInstDecl (HsIB { hsib_body = - FamEqn { feqn_tycon = L _ n + InstD _ (DataFamInstD _ (DataFamInstDecl + (FamEqn { feqn_tycon = L _ n , feqn_pats = tys - , feqn_rhs = defn }}))) -> + , feqn_rhs = defn }))) -> if isDataConName name then SigD noExtField <$> extractPatternSyn name n tys (dd_cons defn) else SigD noExtField <$> extractRecSel name n tys (dd_cons defn) InstD _ (ClsInstD _ ClsInstDecl { cid_datafam_insts = insts }) | isDataConName name -> - let matches = [ d' | L _ d'@(DataFamInstDecl (HsIB { hsib_body = - FamEqn { feqn_rhs = dd - } - })) <- insts + let matches = [ d' | L _ d'@(DataFamInstDecl (FamEqn { feqn_rhs = dd })) <- insts , name `elem` map unLoc (concatMap (getConNames . unLoc) (dd_cons dd)) ] in case matches of [d0] -> extractDecl declMap name (noLoc (InstD noExtField (DataFamInstD noExtField d0))) _ -> error "internal: extractDecl (ClsInstD)" | otherwise -> - let matches = [ d' | L _ d'@(DataFamInstDecl (HsIB { hsib_body = d })) + let matches = [ d' | L _ d'@(DataFamInstDecl d) <- insts -- , L _ ConDecl { con_details = RecCon rec } <- dd_cons (feqn_rhs d) , Just rec <- map (getRecConArgs_maybe . unLoc) (dd_cons (feqn_rhs d)) @@ -963,7 +960,7 @@ extractPatternSyn nm t tvs cons = ConDeclH98 { con_mb_cxt = Just cxt } -> noLoc (HsQualTy noExtField cxt typ) _ -> typ typ'' = noLoc (HsQualTy noExtField (noLoc []) typ') - in PatSynSig noExtField [noLoc nm] (mkEmptyImplicitBndrs typ'') + in PatSynSig noExtField [noLoc nm] (mkEmptySigType typ'') longArrow :: [LHsType GhcRn] -> LHsType GhcRn -> LHsType GhcRn longArrow inputs output = foldr (\x y -> noLoc (HsFunTy noExtField (HsUnrestrictedArrow NormalSyntax) x y)) output inputs diff --git a/haddock-api/src/Haddock/Interface/Rename.hs b/haddock-api/src/Haddock/Interface/Rename.hs index e7d19dfe..a1e712e0 100644 --- a/haddock-api/src/Haddock/Interface/Rename.hs +++ b/haddock-api/src/Haddock/Interface/Rename.hs @@ -191,10 +191,10 @@ renameLTypeArg (HsTypeArg l ki) = do { ki' <- renameLKind ki renameLTypeArg (HsArgPar sp) = return $ HsArgPar sp renameLSigType :: LHsSigType GhcRn -> RnM (LHsSigType DocNameI) -renameLSigType = renameImplicit renameLType +renameLSigType = mapM renameSigType renameLSigWcType :: LHsSigWcType GhcRn -> RnM (LHsSigWcType DocNameI) -renameLSigWcType = renameWc (renameImplicit renameLType) +renameLSigWcType = renameWc renameLSigType renameLKind :: LHsKind GhcRn -> RnM (LHsKind DocNameI) renameLKind = renameLType @@ -294,6 +294,12 @@ renameType t = case t of HsSpliceTy _ s -> renameHsSpliceTy s HsWildCardTy a -> pure (HsWildCardTy a) +renameSigType :: HsSigType GhcRn -> RnM (HsSigType DocNameI) +renameSigType (HsSig { sig_bndrs = bndrs, sig_body = body }) = do + bndrs' <- renameOuterTyVarBndrs bndrs + body' <- renameLType body + pure $ HsSig { sig_ext = noExtField, sig_bndrs = bndrs', sig_body = body' } + -- | Rename splices, but _only_ those that turn out to be for types. -- I think this is actually safe for our possible inputs: -- @@ -486,21 +492,20 @@ renameCon decl@(ConDeclH98 { con_name = lname, con_ex_tvs = ltyvars , con_forall = forall -- Remove when #18311 is fixed , con_args = details', con_doc = mbldoc' }) -renameCon ConDeclGADT { con_names = lnames, con_qvars = ltyvars +renameCon ConDeclGADT { con_names = lnames, con_bndrs = bndrs , con_mb_cxt = lcontext, con_g_args = details - , con_res_ty = res_ty, con_forall = forall + , con_res_ty = res_ty , con_doc = mbldoc } = do lnames' <- mapM renameL lnames - ltyvars' <- mapM renameLTyVarBndr ltyvars + bndrs' <- mapM renameOuterTyVarBndrs bndrs lcontext' <- traverse renameLContext lcontext details' <- renameGADTDetails details res_ty' <- renameLType res_ty mbldoc' <- mapM renameLDocHsSyn mbldoc return (ConDeclGADT - { con_g_ext = noExtField, con_names = lnames', con_qvars = ltyvars' + { con_g_ext = noExtField, con_names = lnames', con_bndrs = bndrs' , con_mb_cxt = lcontext', con_g_args = details' - , con_res_ty = res_ty', con_doc = mbldoc' - , con_forall = forall}) -- Remove when #18311 is fixed + , con_res_ty = res_ty', con_doc = mbldoc' }) renameHsScaled :: HsScaled GhcRn (LHsType GhcRn) -> RnM (HsScaled DocNameI (LHsType DocNameI)) @@ -618,32 +623,26 @@ renameTyFamInstD (TyFamInstDecl { tfid_eqn = eqn }) ; return (TyFamInstDecl { tfid_eqn = eqn' }) } renameTyFamInstEqn :: TyFamInstEqn GhcRn -> RnM (TyFamInstEqn DocNameI) -renameTyFamInstEqn eqn - = renameImplicit rename_ty_fam_eqn eqn - where - rename_ty_fam_eqn - :: FamEqn GhcRn (LHsType GhcRn) - -> RnM (FamEqn DocNameI (LHsType DocNameI)) - rename_ty_fam_eqn (FamEqn { feqn_tycon = tc, feqn_bndrs = bndrs - , feqn_pats = pats, feqn_fixity = fixity - , feqn_rhs = rhs }) - = do { tc' <- renameL tc - ; bndrs' <- traverse (mapM renameLTyVarBndr) bndrs - ; pats' <- mapM renameLTypeArg pats - ; rhs' <- renameLType rhs - ; return (FamEqn { feqn_ext = noExtField - , feqn_tycon = tc' - , feqn_bndrs = bndrs' - , feqn_pats = pats' - , feqn_fixity = fixity - , feqn_rhs = rhs' }) } +renameTyFamInstEqn (FamEqn { feqn_tycon = tc, feqn_bndrs = bndrs + , feqn_pats = pats, feqn_fixity = fixity + , feqn_rhs = rhs }) + = do { tc' <- renameL tc + ; bndrs' <- renameOuterTyVarBndrs bndrs + ; pats' <- mapM renameLTypeArg pats + ; rhs' <- renameLType rhs + ; return (FamEqn { feqn_ext = noExtField + , feqn_tycon = tc' + , feqn_bndrs = bndrs' + , feqn_pats = pats' + , feqn_fixity = fixity + , feqn_rhs = rhs' }) } renameTyFamDefltD :: TyFamDefltDecl GhcRn -> RnM (TyFamDefltDecl DocNameI) renameTyFamDefltD = renameTyFamInstD renameDataFamInstD :: DataFamInstDecl GhcRn -> RnM (DataFamInstDecl DocNameI) renameDataFamInstD (DataFamInstDecl { dfid_eqn = eqn }) - = do { eqn' <- renameImplicit rename_data_fam_eqn eqn + = do { eqn' <- rename_data_fam_eqn eqn ; return (DataFamInstDecl { dfid_eqn = eqn' }) } where rename_data_fam_eqn @@ -653,7 +652,7 @@ renameDataFamInstD (DataFamInstDecl { dfid_eqn = eqn }) , feqn_pats = pats, feqn_fixity = fixity , feqn_rhs = defn }) = do { tc' <- renameL tc - ; bndrs' <- traverse (mapM renameLTyVarBndr) bndrs + ; bndrs' <- renameOuterTyVarBndrs bndrs ; pats' <- mapM renameLTypeArg pats ; defn' <- renameDataDefn defn ; return (FamEqn { feqn_ext = noExtField @@ -663,13 +662,12 @@ renameDataFamInstD (DataFamInstDecl { dfid_eqn = eqn }) , feqn_fixity = fixity , feqn_rhs = defn' }) } -renameImplicit :: (in_thing -> RnM out_thing) - -> HsImplicitBndrs GhcRn in_thing - -> RnM (HsImplicitBndrs DocNameI out_thing) -renameImplicit rn_thing (HsIB { hsib_body = thing }) - = do { thing' <- rn_thing thing - ; return (HsIB { hsib_body = thing' - , hsib_ext = noExtField }) } +renameOuterTyVarBndrs :: HsOuterTyVarBndrs flag GhcRn + -> RnM (HsOuterTyVarBndrs flag DocNameI) +renameOuterTyVarBndrs (HsOuterImplicit{}) = + pure $ HsOuterImplicit{hso_ximplicit = noExtField} +renameOuterTyVarBndrs (HsOuterExplicit{hso_bndrs = exp_bndrs}) = + HsOuterExplicit noExtField <$> mapM renameLTyVarBndr exp_bndrs renameWc :: (in_thing -> RnM out_thing) -> HsWildCardBndrs GhcRn in_thing diff --git a/haddock-api/src/Haddock/Interface/Specialize.hs b/haddock-api/src/Haddock/Interface/Specialize.hs index 35e5258f..b19f52d0 100644 --- a/haddock-api/src/Haddock/Interface/Specialize.hs +++ b/haddock-api/src/Haddock/Interface/Specialize.hs @@ -56,7 +56,7 @@ specialize specs = go spec_map0 -- -- Again, it is just a convenience function around 'specialize'. Note that -- length of type list should be the same as the number of binders. -specializeTyVarBndrs :: LHsQTyVars GhcRn -> [HsType GhcRn] -> HsType GhcRn -> HsType GhcRn +specializeTyVarBndrs :: Data a => LHsQTyVars GhcRn -> [HsType GhcRn] -> a -> a specializeTyVarBndrs bndrs typs = specialize $ zip bndrs' typs where @@ -77,13 +77,13 @@ specializeSig :: LHsQTyVars GhcRn -> [HsType GhcRn] -> Sig GhcRn -> Sig GhcRn specializeSig bndrs typs (TypeSig _ lnames typ) = - TypeSig noExtField lnames (typ {hswc_body = (hswc_body typ) {hsib_body = noLoc typ'}}) + TypeSig noExtField lnames (typ {hswc_body = noLoc typ'}) where - true_type :: HsType GhcRn - true_type = unLoc (hsSigWcType typ) - typ' :: HsType GhcRn + true_type :: HsSigType GhcRn + true_type = unLoc (dropWildCards typ) + typ' :: HsSigType GhcRn typ' = rename fv $ specializeTyVarBndrs bndrs typs true_type - fv = foldr Set.union Set.empty . map freeVariables $ typs + fv = foldr Set.union Set.empty . map freeVariablesType $ typs specializeSig _ _ sig = sig @@ -207,25 +207,37 @@ setInternalOccName occ name = nname' = mkInternalName (nameUnique nname) occ (nameSrcSpan nname) --- | Compute set of free variables of given type. -freeVariables :: HsType GhcRn -> Set Name -freeVariables = - everythingWithState Set.empty Set.union query +-- | Compute set of free variables of a given 'HsType'. +freeVariablesType :: HsType GhcRn -> Set Name +freeVariablesType = + everythingWithState Set.empty Set.union + (mkQ (\ctx -> (Set.empty, ctx)) queryType) + +-- | Compute set of free variables of a given 'HsType'. +freeVariablesSigType :: HsSigType GhcRn -> Set Name +freeVariablesSigType = + everythingWithState Set.empty Set.union + (mkQ (\ctx -> (Set.empty, ctx)) queryType `extQ` querySigType) + +queryType :: HsType GhcRn -> Set Name -> (Set Name, Set Name) +queryType term ctx = case term of + HsForAllTy _ tele _ -> + (Set.empty, Set.union ctx (teleNames tele)) + HsTyVar _ _ (L _ name) + | getName name `Set.member` ctx -> (Set.empty, ctx) + | otherwise -> (Set.singleton $ getName name, ctx) + _ -> (Set.empty, ctx) where - query :: forall a . Data a => a -> Set Name -> (Set Name, Set Name) - query term ctx = case cast term :: Maybe (HsType GhcRn) of - Just (HsForAllTy _ tele _) -> - (Set.empty, Set.union ctx (teleNames tele)) - Just (HsTyVar _ _ (L _ name)) - | getName name `Set.member` ctx -> (Set.empty, ctx) - | otherwise -> (Set.singleton $ getName name, ctx) - _ -> (Set.empty, ctx) - teleNames :: HsForAllTelescope GhcRn -> Set Name teleNames (HsForAllVis _ bndrs) = bndrsNames bndrs teleNames (HsForAllInvis _ bndrs) = bndrsNames bndrs - bndrsNames = Set.fromList . map (getName . tyVarName . unLoc) +querySigType :: HsSigType GhcRn -> Set Name -> (Set Name, Set Name) +querySigType (HsSig { sig_bndrs = outer_bndrs }) ctx = + (Set.empty, Set.union ctx (bndrsNames (hsOuterExplicitBndrs outer_bndrs))) + +bndrsNames :: [LHsTyVarBndr flag GhcRn] -> Set Name +bndrsNames = Set.fromList . map (getName . tyVarName . unLoc) -- | Make given type visually unambiguous. @@ -236,12 +248,12 @@ freeVariables = -- different type variable than latter one. Applying 'rename' function -- will fix that type to be visually unambiguous again (making it something -- like @(a -> b0) -> b@). -rename :: Set Name -> HsType GhcRn -> HsType GhcRn -rename fv typ = evalState (renameType typ) env +rename :: Set Name -> HsSigType GhcRn -> HsSigType GhcRn +rename fv typ = evalState (renameSigType typ) env where env = RenameEnv { rneHeadFVs = Map.fromList . map mkPair . Set.toList $ fv - , rneSigFVs = Set.map getNameRep $ freeVariables typ + , rneSigFVs = Set.map getNameRep $ freeVariablesSigType typ , rneCtx = Map.empty } mkPair name = (getNameRep name, name) @@ -256,6 +268,17 @@ data RenameEnv name = RenameEnv } +renameSigType :: HsSigType GhcRn -> Rename (IdP GhcRn) (HsSigType GhcRn) +renameSigType (HsSig x bndrs body) = + HsSig x <$> renameOuterTyVarBndrs bndrs <*> renameLType body + +renameOuterTyVarBndrs :: HsOuterTyVarBndrs flag GhcRn + -> Rename (IdP GhcRn) (HsOuterTyVarBndrs flag GhcRn) +renameOuterTyVarBndrs (HsOuterImplicit imp_tvs) = + HsOuterImplicit <$> mapM renameName imp_tvs +renameOuterTyVarBndrs (HsOuterExplicit x exp_bndrs) = + HsOuterExplicit x <$> mapM renameLBinder exp_bndrs + renameType :: HsType GhcRn -> Rename (IdP GhcRn) (HsType GhcRn) renameType (HsForAllTy x tele lt) = HsForAllTy x |