diff options
author | Simon Peyton Jones <simonpj@microsoft.com> | 2012-03-26 09:14:23 +0100 |
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committer | Simon Peyton Jones <simonpj@microsoft.com> | 2012-03-26 09:14:23 +0100 |
commit | 1e6e6c01babee971420e1876cdffdfb0bf673c1e (patch) | |
tree | 892a4b3be7d2bd68ddb3bc50543a1e2834590092 /src/Haddock/Convert.hs | |
parent | 730d3e622268f59fd78d29026d164486c4e68fcb (diff) |
Follow refactoring of TyClDecl/HsTyDefn
Diffstat (limited to 'src/Haddock/Convert.hs')
-rw-r--r-- | src/Haddock/Convert.hs | 77 |
1 files changed, 37 insertions, 40 deletions
diff --git a/src/Haddock/Convert.hs b/src/Haddock/Convert.hs index 3dad9a2c..0470a5f5 100644 --- a/src/Haddock/Convert.hs +++ b/src/Haddock/Convert.hs @@ -69,61 +69,57 @@ tyThingToLHsDecl t = noLoc $ case t of -- type-constructors (e.g. Maybe) are complicated, put the definition -- later in the file (also it's used for class associated-types too.) - ACoAxiom ax -> TyClD (synifyAxiom ax) + ACoAxiom ax -> InstD (FamInstD (synifyAxiom ax)) -- a data-constructor alone just gets rendered as a function: ADataCon dc -> SigD (TypeSig [synifyName dc] (synifyType ImplicitizeForAll (dataConUserType dc))) -synifyATDefault :: TyCon -> LTyClDecl Name +synifyATDefault :: TyCon -> LFamInstDecl Name synifyATDefault tc = noLoc (synifyAxiom ax) where Just ax = tyConFamilyCoercion_maybe tc -synifyAxiom :: CoAxiom -> TyClDecl Name +synifyAxiom :: CoAxiom -> FamInstDecl Name synifyAxiom (CoAxiom { co_ax_tvs = tvs, co_ax_lhs = lhs, co_ax_rhs = rhs }) | Just (tc, args) <- tcSplitTyConApp_maybe lhs = let name = synifyName tc - tyvars = synifyTyVars tvs typats = map (synifyType WithinType) args hs_rhs_ty = synifyType WithinType rhs - in TySynonym name tyvars (Just typats) hs_rhs_ty placeHolderNames + in FamInstDecl { fid_tycon = name + , fid_pats = HsBSig typats (map tyVarName tvs) + , fid_defn = TySynonym hs_rhs_ty } | otherwise = error "synifyAxiom" synifyTyCon :: TyCon -> TyClDecl Name synifyTyCon tc - | isFunTyCon tc || isPrimTyCon tc = - TyData - -- arbitrary lie, they are neither algebraic data nor newtype: - DataType - -- no built-in type has any stupidTheta: - (noLoc []) - (synifyName tc) - Nothing - -- tyConTyVars doesn't work on fun/prim, but we can make them up: - (zipWith - (\fakeTyVar realKind -> noLoc $ - KindedTyVar (getName fakeTyVar) - (synifyKindSig realKind)) - alphaTyVars --a, b, c... which are unfortunately all kind * - (fst . splitKindFunTys $ tyConKind tc) - ) - -- assume primitive types aren't members of data/newtype families: - Nothing - -- we have their kind accurately: - (Just (synifyKindSig (tyConKind tc))) - -- no algebraic constructors: - [] - -- "deriving" needn't be specified: - Nothing - | isSynFamilyTyCon tc = - case synTyConRhs tc of + | isFunTyCon tc || isPrimTyCon tc + = TyDecl { tcdLName = synifyName tc + , tcdTyVars = -- tyConTyVars doesn't work on fun/prim, but we can make them up: + zipWith + (\fakeTyVar realKind -> noLoc $ + KindedTyVar (getName fakeTyVar) + (synifyKindSig realKind)) + alphaTyVars --a, b, c... which are unfortunately all kind * + (fst . splitKindFunTys $ tyConKind tc) + , tcdTyDefn = TyData { td_ND = DataType -- arbitrary lie, they are neither + -- algebraic data nor newtype: + , td_ctxt = noLoc [] + , td_cType = Nothing + , td_kindSig = Just (synifyKindSig (tyConKind tc)) + -- we have their kind accurately: + , td_cons = [] -- No constructors + , td_derivs = Nothing } + , tcdFVs = placeHolderNames } + | isSynFamilyTyCon tc + = case synTyConRhs tc of SynFamilyTyCon -> TyFamily TypeFamily (synifyName tc) (synifyTyVars (tyConTyVars tc)) (Just (synifyKindSig (synTyConResKind tc))) _ -> error "synifyTyCon: impossible open type synonym?" - | isDataFamilyTyCon tc = --(why no "isOpenAlgTyCon"?) - case algTyConRhs tc of + | isDataFamilyTyCon tc + = --(why no "isOpenAlgTyCon"?) + case algTyConRhs tc of DataFamilyTyCon -> TyFamily DataFamily (synifyName tc) (synifyTyVars (tyConTyVars tc)) Nothing --always kind '*' @@ -139,9 +135,6 @@ synifyTyCon tc alg_ctx = synifyCtx (tyConStupidTheta tc) name = synifyName tc tyvars = synifyTyVars (tyConTyVars tc) - typats = case tyConFamInst_maybe tc of - Nothing -> Nothing - Just (_, indexes) -> Just (map (synifyType WithinType) indexes) alg_kindSig = Just (tyConKind tc) -- The data constructors. -- @@ -164,10 +157,14 @@ synifyTyCon tc -- "deriving" doesn't affect the signature, no need to specify any. alg_deriv = Nothing syn_type = synifyType WithinType (synTyConType tc) - in if isSynTyCon tc - then TySynonym name tyvars typats syn_type placeHolderNames - else TyData alg_nd alg_ctx name Nothing tyvars typats (fmap synifyKindSig alg_kindSig) alg_cons alg_deriv - + defn | isSynTyCon tc = TySynonym syn_type + | otherwise = TyData { td_ND = alg_nd, td_ctxt = alg_ctx + , td_cType = Nothing + , td_kindSig = fmap synifyKindSig alg_kindSig + , td_cons = alg_cons + , td_derivs = alg_deriv } + in TyDecl { tcdLName = name, tcdTyVars = tyvars, tcdTyDefn = defn + , tcdFVs = placeHolderNames } -- User beware: it is your responsibility to pass True (use_gadt_syntax) -- for any constructor that would be misrepresented by omitting its |