import List (elemIndex)
data Module
- = Module Mname [Tdef] [(Bool,Vdefg)]
+ = Module Mname [Tdef] [Vdefg]
data Tdef
- = Data Tcon [Tbind] [Cdef]
- | Newtype Tcon [Tbind] (Maybe Ty)
+ = Data (Qual Tcon) [Tbind] [Cdef]
+ | Newtype (Qual Tcon) [Tbind] (Maybe Ty)
data Cdef
- = Constr Dcon [Tbind] [Ty]
+ = Constr (Qual Dcon) [Tbind] [Ty]
data Vdefg
= Rec [Vdef]
| Nonrec Vdef
-type Vdef = (Var,Ty,Exp)
+type Vdef = (Qual Var,Ty,Exp)
data Exp
= Var (Qual Var)
| Kunlifted
| Kopen
| Karrow Kind Kind
- deriving (Eq)
data Lit
= Lint Integer Ty
| Lrational Rational Ty
| Lchar Char Ty
| Lstring String Ty
- deriving (Eq)
type Mname = Id
type Id = String
-equalTy t1 t2 = eqTy [] [] t1 t2
- where eqTy e1 e2 (Tvar v1) (Tvar v2) =
- case (elemIndex v1 e1,elemIndex v2 e2) of
- (Just i1, Just i2) -> i1 == i2
- (Nothing, Nothing) -> v1 == v2
- _ -> False
- eqTy e1 e2 (Tcon c1) (Tcon c2) = c1 == c2
- eqTy e1 e2 (Tapp t1a t1b) (Tapp t2a t2b) =
- eqTy e1 e2 t1a t2a && eqTy e1 e2 t1b t2b
- eqTy e1 e2 (Tforall (tv1,tk1) t1) (Tforall (tv2,tk2) t2) =
- tk1 == tk2 && eqTy (tv1:e1) (tv2:e2) t1 t2
- eqTy _ _ _ _ = False
-
-instance Eq Ty where (==) = equalTy
-
-subKindOf :: Kind -> Kind -> Bool
-_ `subKindOf` Kopen = True
-k1 `subKindOf` k2 = k1 == k2 -- don't worry about higher kinds
-
-instance Ord Kind where (<=) = subKindOf
-
primMname = "PrelGHC"
tcArrow :: Qual Tcon
mkExternalCore :: ModIface -> ModDetails -> C.Module
mkExternalCore (ModIface {mi_module=mi_module,mi_exports=mi_exports})
(ModDetails {md_types=md_types,md_binds=md_binds}) =
- C.Module mname {- exports -} tdefs vdefs
+ C.Module mname tdefs vdefs
where
mname = make_mid mi_module
-{- exports = foldr (collect_exports md_types) ([],[],[]) all_avails
- all_avails = concat (map snd (filter ((== moduleName mi_module) . fst) mi_exports))
--}
tdefs = foldr collect_tdefs [] (typeEnvTyCons md_types)
vdefs = map make_vdef md_binds
-{-
-collect_exports :: TypeEnv -> AvailInfo -> ([C.Tcon],[C.Dcon],[C.Var]) -> ([C.Tcon],[C.Dcon],[C.Var])
-collect_exports tyenv (Avail n) (tcons,dcons,vars) = (tcons,dcons,make_var_id n:vars)
-collect_exports tyenv (AvailTC n ns) (tcons,dcons,vars) =
- case lookupNameEnv_NF tyenv n of
- ATyCon tc | isAlgTyCon tc ->
- (tcon ++ tcons,workers ++ dcons,wrappers ++ vars)
- where
- tcon = if elem n ns then [make_con_id n] else []
- workers = if isNewTyCon tc then []
- else map (make_con_id . idName . dataConId) exported_dcs
- exported_dcs = filter (\dc -> elem ((idName . dataConWrapId) dc) ns') dcs
- dcs = tyConDataConsIfAvailable tc
- wrappers = map make_var_id ns'
- ns' = filter (\n' -> n' /= n && not (elem n' recordSels)) ns
- recordSels = map idName (tyConSelIds tc)
- AClass cl -> {- maybe a little too free about exports -}
- (tcon : tcons,workers ++ dcons,wrappers ++ vars)
- where
- tcon = make_con_id (tyConName tc)
- workers = if isNewTyCon tc then []
- else map (make_con_id . idName . dataConId) dcs
- wrappers = map (make_var_id . idName . dataConWrapId) dcs
- dcs = tyConDataConsIfAvailable tc
- tc = classTyCon cl
- _ -> (tcons,dcons,vars)
--}
-
-
collect_tdefs :: TyCon -> [C.Tdef] -> [C.Tdef]
collect_tdefs tcon tdefs
| isAlgTyCon tcon = tdef: tdefs
where
tdef | isNewTyCon tcon =
- C.Newtype (make_con_id (tyConName tcon)) (map make_tbind tyvars) repclause
+ C.Newtype (make_con_qid (tyConName tcon)) (map make_tbind tyvars) repclause
| otherwise =
- C.Data (make_con_id (tyConName tcon)) (map make_tbind tyvars) (map make_cdef (tyConDataCons tcon))
+ C.Data (make_con_qid (tyConName tcon)) (map make_tbind tyvars) (map make_cdef (tyConDataCons tcon))
where repclause | isRecursiveTyCon tcon = Nothing
| otherwise = Just (make_ty rep)
where (_, rep) = newTyConRep tcon
make_cdef :: DataCon -> C.Cdef
make_cdef dcon = C.Constr dcon_name existentials tys
where
- dcon_name = make_con_id (idName (dataConId dcon))
+ dcon_name = make_con_qid (idName (dataConId dcon))
existentials = map make_tbind ex_tyvars
where (_,_,ex_tyvars,_,_,_) = dataConSig dcon
tys = map make_ty (dataConRepArgTys dcon)
make_vbind :: Var -> C.Vbind
make_vbind v = (make_var_id (Var.varName v), make_ty (varType v))
-make_vdef :: CoreBind -> (Bool, C.Vdefg)
+make_vdef :: CoreBind -> C.Vdefg
make_vdef b =
case b of
- NonRec v e -> (isGlobalId v,C.Nonrec (f (v,e)))
- Rec ves -> (or (map g ves),C.Rec (map f ves))
- where f (v,e) = (n,t,make_exp e)
- where (n,t) = make_vbind v
- g (v,e) = isGlobalId v
+ NonRec v e -> C.Nonrec (f (v,e))
+ Rec ves -> C.Rec (map f ves)
+ where f (v,e) = (make_var_qid (Var.varName v), make_ty (varType v),make_exp e)
make_exp :: CoreExpr -> C.Exp
make_exp (Var v) =
make_exp (App e1 e2) = C.App (make_exp e1) (make_exp e2)
make_exp (Lam v e) | isTyVar v = C.Lam (C.Tb (make_tbind v)) (make_exp e)
make_exp (Lam v e) | otherwise = C.Lam (C.Vb (make_vbind v)) (make_exp e)
-make_exp (Let b e) = C.Let (snd (make_vdef b)) (make_exp e)
+make_exp (Let b e) = C.Let (make_vdef b) (make_exp e)
make_exp (Case e v alts) = C.Case (make_exp e) (make_vbind v) (map make_alt alts)
make_exp (Note (SCC cc) e) = C.Note "SCC" (make_exp e) -- temporary
make_exp (Note (Coerce t_to t_from) e) = C.Coerce (make_ty t_to) (make_exp e)
make_var_id :: Name -> C.Id
make_var_id = make_id True
-make_con_id :: Name -> C.Id
-make_con_id = make_id False
-
make_mid :: Module -> C.Id
make_mid = moduleNameString . moduleName
where mname =
case nameModule_maybe n of
Just m -> make_mid m
- Nothing -> "" -- for now!
+ Nothing -> ""
make_var_qid :: Name -> C.Qual C.Id
make_var_qid = make_qid True
indent = nest 2
-pmodule (Module mname {- (texports,dexports,vexports) -} tdefs vdefs) =
+pmodule (Module mname tdefs vdefgs) =
(text "%module" <+> text mname)
-{- $$ indent (parens (((fsep (map pname texports) <> char ',')
- $$ (fsep (map pname dexports) <> char ',')
- $$ (fsep (map pname vexports))))
--}
$$ indent ((vcat (map ((<> char ';') . ptdef) tdefs))
- $$ (vcat (map ((<> char ';') . pgvdef) vdefs)))
-
-pgvdef (False,vdef) = text "%local" <+> pvdefg vdef
-pgvdef (True,vdef) = pvdefg vdef
+ $$ (vcat (map ((<> char ';') . pvdefg) vdefgs)))
ptdef (Data tcon tbinds cdefs) =
- (text "%data" <+> pname tcon <+> (hsep (map ptbind tbinds)) <+> char '=')
+ (text "%data" <+> pqname tcon <+> (hsep (map ptbind tbinds)) <+> char '=')
$$ indent (braces ((vcat (punctuate (char ';') (map pcdef cdefs)))))
ptdef (Newtype tcon tbinds rep ) =
- text "%newtype" <+> pname tcon <+> (hsep (map ptbind tbinds)) <+> repclause
+ text "%newtype" <+> pqname tcon <+> (hsep (map ptbind tbinds)) <+> repclause
where repclause = case rep of
Just ty -> char '=' <+> pty ty
Nothing -> empty
pcdef (Constr dcon tbinds tys) =
- (pname dcon) <+> (sep [hsep (map pattbind tbinds),sep (map paty tys)])
+ (pqname dcon) <+> (sep [hsep (map pattbind tbinds),sep (map paty tys)])
pname id = text id
pvdefg (Rec vtes) = text "%rec" $$ braces (indent (vcat (punctuate (char ';') (map pvte vtes))))
pvdefg (Nonrec vte) = pvte vte
-pvte (v,t,e) = sep [pname v <+> text "::" <+> pty t <+> char '=',
+pvte (v,t,e) = sep [pqname v <+> text "::" <+> pty t <+> char '=',
indent (pexp e)]
paexp (Var x) = pqname x