-%
-% (c) The University of Glasgow 2001
+
+% (c) The University of Glasgow 2001-2006
%
\begin{code}
+{-# OPTIONS -fno-warn-incomplete-patterns #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
module MkExternalCore (
emitExternalCore
#include "HsVersions.h"
import qualified ExternalCore as C
-import Char
import Module
import CoreSyn
import HscTypes
import TyCon
import TypeRep
import Type
-import PprExternalCore -- Instances
-import DataCon ( DataCon, dataConTyVars, dataConRepArgTys,
- dataConName, dataConTyCon )
-import CoreSyn
+import PprExternalCore () -- Instances
+import DataCon
+import Coercion
import Var
import IdInfo
-import Kind
import Literal
import Name
-import NameSet ( NameSet, emptyNameSet )
-import UniqSet ( elementOfUniqSet )
+import NameSet
+import UniqSet
import Outputable
import ForeignCall
-import DynFlags ( DynFlags(..) )
-import StaticFlags ( opt_EmitExternalCore )
+import DynFlags
+import StaticFlags
import IO
import FastString
= (do handle <- openFile corename WriteMode
hPutStrLn handle (show (mkExternalCore exports cg_guts))
hClose handle)
- `catch` (\err -> pprPanic "Failed to open or write external core output file"
- (text corename))
+ `catch` (\_ -> pprPanic "Failed to open or write external core output file"
+ (text corename))
where corename = extCoreName dflags
emitExternalCore _ _ _
| otherwise
where
tdef | isNewTyCon tcon =
C.Newtype (make_con_qid (tyConName tcon)) (map make_tbind tyvars) repclause
--- 20060420 GHC handles empty data types just fine. ExtCore should too! jds
--- | null (tyConDataCons tcon) = error "MkExternalCore died: can't handle datatype declarations with no data constructors"
| otherwise =
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
+ where repclause | isRecursiveTyCon tcon || isOpenTyCon tcon= Nothing
+ | otherwise = Just (make_ty (repType rhs))
+ where (_, rhs) = newTyConRhs tcon
tyvars = tyConTyVars tcon
collect_tdefs _ tdefs = tdefs
where
dcon_name = make_var_id (dataConName dcon)
existentials = map make_tbind ex_tyvars
- ex_tyvars = drop (tyConArity (dataConTyCon dcon)) (dataConTyVars dcon)
+ ex_tyvars = dataConExTyVars dcon
tys = map make_ty (dataConRepArgTys dcon)
make_tbind :: TyVar -> C.Tbind
case globalIdDetails v of
-- a DataConId represents the Id of a worker, which is a varName. -- sof 4/02
-- DataConId _ -> C.Dcon (make_con_qid (Var.varName v))
- FCallId (CCall (CCallSpec (StaticTarget nm) _ _)) -> C.External (unpackFS nm) (make_ty (idType v))
- FCallId _ -> error "MkExternalCore died: can't handle non-static-C foreign call"
+ FCallId (CCall (CCallSpec (StaticTarget nm) callconv _))
+ -> C.External (unpackFS nm) (showSDoc (ppr callconv)) (make_ty (idType v))
+ FCallId (CCall (CCallSpec DynamicTarget callconv _))
+ -> C.DynExternal (showSDoc (ppr callconv)) (make_ty (idType v))
+ FCallId _
+ -> pprPanic "MkExternalCore died: can't handle non-{static,dynamic}-C foreign call"
+ (ppr v)
_ -> C.Var (make_var_qid (Var.varName v))
-make_exp (Lit (l@(MachLabel s _))) = error "MkExternalCore died: can't handle \"foreign label\" declarations"
+make_exp (Lit (MachLabel s _)) = C.Label (unpackFS s)
make_exp (Lit l) = C.Lit (make_lit l)
make_exp (App e (Type t)) = C.Appt (make_exp e) (make_ty t)
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 (Cast e co) = C.Cast (make_exp e) (make_ty co)
make_exp (Let b e) = C.Let (make_vdef emptyNameSet b) (make_exp e)
-- gaw 2004
make_exp (Case e v ty alts) = C.Case (make_exp e) (make_vbind v) (make_ty ty) (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_exp (Note (SCC _) e) = C.Note "SCC" (make_exp e) -- temporary
make_exp (Note (CoreNote s) e) = C.Note s (make_exp e) -- hdaume: core annotations
make_exp (Note InlineMe e) = C.Note "InlineMe" (make_exp e)
make_exp _ = error "MkExternalCore died: make_exp"
-- Maybe CoreTidy should know whether to expand newtypes or not?
make_ty (PredTy p) = make_ty (predTypeRep p)
-make_ty (NoteTy _ t) = make_ty t
make_kind :: Kind -> C.Kind
-make_kind (FunKind k1 k2) = C.Karrow (make_kind k1) (make_kind k2)
-make_kind LiftedTypeKind = C.Klifted
-make_kind UnboxedTypeKind = C.Kunboxed
-make_kind UnliftedTypeKind = C.Kunlifted
-make_kind OpenTypeKind = C.Kopen
+make_kind (PredTy p) | isEqPred p = C.Keq (make_ty t1) (make_ty t2)
+ where (t1, t2) = getEqPredTys p
+make_kind (FunTy k1 k2) = C.Karrow (make_kind k1) (make_kind k2)
+make_kind k
+ | isLiftedTypeKind k = C.Klifted
+ | isUnliftedTypeKind k = C.Kunlifted
+ | isOpenTypeKind k = C.Kopen
make_kind _ = error "MkExternalCore died: make_kind"
{- Id generation. -}
{- Use encoded strings.
Also, adjust casing to work around some badly-chosen internal names. -}
make_id :: Bool -> Name -> C.Id
-make_id is_var nm = (occNameString . nameOccName) nm
+make_id _is_var nm = (occNameString . nameOccName) nm
{- SIMON thinks this stuff isn't necessary
make_id is_var nm =
make_var_id = make_id True
make_mid :: Module -> C.Id
-make_mid = moduleString
+make_mid = showSDoc . pprModule
make_qid :: Bool -> Name -> C.Qual C.Id
make_qid is_var n = (mname,make_id is_var n)
projects / ghc-hetmet.git / blobdiff