\begin{code}
module TysPrim(
- alphaTyVars, alphaTyVar, betaTyVar, gammaTyVar, deltaTyVar,
+ alphaTyVars, betaTyVars, alphaTyVar, betaTyVar, gammaTyVar, deltaTyVar,
alphaTy, betaTy, gammaTy, deltaTy,
- openAlphaTyVar, openAlphaTyVars,
+ openAlphaTy, openAlphaTyVar, openAlphaTyVars,
+
+ primTyCons,
charPrimTyCon, charPrimTy,
intPrimTyCon, intPrimTy,
mVarPrimTyCon, mkMVarPrimTy,
stablePtrPrimTyCon, mkStablePtrPrimTy,
+ stableNamePrimTyCon, mkStableNamePrimTy,
+ bcoPrimTyCon, bcoPrimTy,
weakPrimTyCon, mkWeakPrimTy,
foreignObjPrimTyCon, foreignObjPrimTy,
threadIdPrimTyCon, threadIdPrimTy,
#include "HsVersions.h"
import Var ( TyVar, mkSysTyVar )
-import Name ( mkWiredInTyConName )
+import OccName ( tcName )
import PrimRep ( PrimRep(..), isFollowableRep )
-import TyCon ( mkPrimTyCon, TyCon )
-import Type ( Type,
- mkTyConApp, mkTyConTy, mkTyVarTys,
+import TyCon ( mkPrimTyCon, TyCon, ArgVrcs )
+import Type ( mkTyConApp, mkTyConTy, mkTyVarTys, mkTyVarTy,
unboxedTypeKind, boxedTypeKind, openTypeKind, mkArrowKinds
)
-import PrelMods ( pREL_GHC )
+import Unique ( Unique, mkAlphaTyVarUnique )
+import Name ( mkKnownKeyGlobal )
+import RdrName ( mkPreludeQual )
+import PrelNames
import Outputable
-import Unique
\end{code}
+%************************************************************************
+%* *
+\subsection{Primitive type constructors}
+%* *
+%************************************************************************
+
+\begin{code}
+primTyCons :: [TyCon]
+primTyCons
+ = [ addrPrimTyCon
+ , arrayPrimTyCon
+ , byteArrayPrimTyCon
+ , charPrimTyCon
+ , doublePrimTyCon
+ , floatPrimTyCon
+ , intPrimTyCon
+ , int64PrimTyCon
+ , foreignObjPrimTyCon
+ , bcoPrimTyCon
+ , weakPrimTyCon
+ , mutableArrayPrimTyCon
+ , mutableByteArrayPrimTyCon
+ , mVarPrimTyCon
+ , mutVarPrimTyCon
+ , realWorldTyCon
+ , stablePtrPrimTyCon
+ , stableNamePrimTyCon
+ , statePrimTyCon
+ , threadIdPrimTyCon
+ , wordPrimTyCon
+ , word64PrimTyCon
+ ]
+\end{code}
+
+
+%************************************************************************
+%* *
+\subsection{Support code}
+%* *
+%************************************************************************
+
\begin{code}
alphaTyVars :: [TyVar]
alphaTyVars = [ mkSysTyVar u boxedTypeKind
| u <- map mkAlphaTyVarUnique [2..] ]
+betaTyVars = tail alphaTyVars
+
alphaTyVar, betaTyVar, gammaTyVar :: TyVar
(alphaTyVar:betaTyVar:gammaTyVar:deltaTyVar:_) = alphaTyVars
openAlphaTyVars :: [TyVar]
openAlphaTyVars = [ mkSysTyVar u openTypeKind
| u <- map mkAlphaTyVarUnique [2..] ]
+
+openAlphaTy = mkTyVarTy openAlphaTyVar
+
+vrcPos,vrcZero :: (Bool,Bool)
+vrcPos = (True,False)
+vrcZero = (False,False)
+
+vrcsP,vrcsZ,vrcsZP :: ArgVrcs
+vrcsP = [vrcPos]
+vrcsZ = [vrcZero]
+vrcsZP = [vrcZero,vrcPos]
\end{code}
+
%************************************************************************
%* *
\subsection[TysPrim-basic]{Basic primitive types (@Char#@, @Int#@, etc.)}
\begin{code}
-- only used herein
-pcPrimTyCon :: Unique{-TyConKey-} -> FAST_STRING -> Int -> PrimRep -> TyCon
-pcPrimTyCon key str arity rep
+pcPrimTyCon :: Unique{-TyConKey-} -> FAST_STRING -> Int -> ArgVrcs -> PrimRep -> TyCon
+pcPrimTyCon key str arity arg_vrcs rep
= the_tycon
where
- name = mkWiredInTyConName key pREL_GHC str the_tycon
- the_tycon = mkPrimTyCon name kind arity rep
+ name = mkKnownKeyGlobal (mkPreludeQual tcName pREL_GHC_Name str) key
+ the_tycon = mkPrimTyCon name kind arity arg_vrcs rep
kind = mkArrowKinds (take arity (repeat boxedTypeKind)) result_kind
result_kind | isFollowableRep rep = boxedTypeKind -- Represented by a GC-ish ptr
| otherwise = unboxedTypeKind -- Represented by a non-ptr
charPrimTy = mkTyConTy charPrimTyCon
-charPrimTyCon = pcPrimTyCon charPrimTyConKey SLIT("Char#") 0 CharRep
+charPrimTyCon = pcPrimTyCon charPrimTyConKey SLIT("Char#") 0 [] CharRep
intPrimTy = mkTyConTy intPrimTyCon
-intPrimTyCon = pcPrimTyCon intPrimTyConKey SLIT("Int#") 0 IntRep
+intPrimTyCon = pcPrimTyCon intPrimTyConKey SLIT("Int#") 0 [] IntRep
int64PrimTy = mkTyConTy int64PrimTyCon
-int64PrimTyCon = pcPrimTyCon int64PrimTyConKey SLIT("Int64#") 0 Int64Rep
+int64PrimTyCon = pcPrimTyCon int64PrimTyConKey SLIT("Int64#") 0 [] Int64Rep
wordPrimTy = mkTyConTy wordPrimTyCon
-wordPrimTyCon = pcPrimTyCon wordPrimTyConKey SLIT("Word#") 0 WordRep
+wordPrimTyCon = pcPrimTyCon wordPrimTyConKey SLIT("Word#") 0 [] WordRep
word64PrimTy = mkTyConTy word64PrimTyCon
-word64PrimTyCon = pcPrimTyCon word64PrimTyConKey SLIT("Word64#") 0 Word64Rep
+word64PrimTyCon = pcPrimTyCon word64PrimTyConKey SLIT("Word64#") 0 [] Word64Rep
addrPrimTy = mkTyConTy addrPrimTyCon
-addrPrimTyCon = pcPrimTyCon addrPrimTyConKey SLIT("Addr#") 0 AddrRep
+addrPrimTyCon = pcPrimTyCon addrPrimTyConKey SLIT("Addr#") 0 [] AddrRep
floatPrimTy = mkTyConTy floatPrimTyCon
-floatPrimTyCon = pcPrimTyCon floatPrimTyConKey SLIT("Float#") 0 FloatRep
+floatPrimTyCon = pcPrimTyCon floatPrimTyConKey SLIT("Float#") 0 [] FloatRep
doublePrimTy = mkTyConTy doublePrimTyCon
-doublePrimTyCon = pcPrimTyCon doublePrimTyConKey SLIT("Double#") 0 DoubleRep
+doublePrimTyCon = pcPrimTyCon doublePrimTyConKey SLIT("Double#") 0 [] DoubleRep
\end{code}
\begin{code}
mkStatePrimTy ty = mkTyConApp statePrimTyCon [ty]
-statePrimTyCon = pcPrimTyCon statePrimTyConKey SLIT("State#") 1 VoidRep
+statePrimTyCon = pcPrimTyCon statePrimTyConKey SLIT("State#") 1 vrcsZ VoidRep
\end{code}
@_RealWorld@ is deeply magical. It {\em is primitive}, but it
\begin{code}
realWorldTy = mkTyConTy realWorldTyCon
-realWorldTyCon = pcPrimTyCon realWorldTyConKey SLIT("RealWorld") 0 PtrRep
-realWorldStatePrimTy = mkStatePrimTy realWorldTy
+realWorldTyCon = pcPrimTyCon realWorldTyConKey SLIT("RealWorld") 0 [] PrimPtrRep
+realWorldStatePrimTy = mkStatePrimTy realWorldTy -- State# RealWorld
\end{code}
Note: the ``state-pairing'' types are not truly primitive, so they are
%************************************************************************
\begin{code}
-arrayPrimTyCon = pcPrimTyCon arrayPrimTyConKey SLIT("Array#") 1 ArrayRep
+arrayPrimTyCon = pcPrimTyCon arrayPrimTyConKey SLIT("Array#") 1 vrcsP ArrayRep
-byteArrayPrimTyCon = pcPrimTyCon byteArrayPrimTyConKey SLIT("ByteArray#") 0 ByteArrayRep
+byteArrayPrimTyCon = pcPrimTyCon byteArrayPrimTyConKey SLIT("ByteArray#") 0 [] ByteArrayRep
-mutableArrayPrimTyCon = pcPrimTyCon mutableArrayPrimTyConKey SLIT("MutableArray#") 2 ArrayRep
+mutableArrayPrimTyCon = pcPrimTyCon mutableArrayPrimTyConKey SLIT("MutableArray#")
+ 2 vrcsZP ArrayRep
-mutableByteArrayPrimTyCon = pcPrimTyCon mutableByteArrayPrimTyConKey SLIT("MutableByteArray#") 1 ByteArrayRep
+mutableByteArrayPrimTyCon = pcPrimTyCon mutableByteArrayPrimTyConKey SLIT("MutableByteArray#")
+ 1 vrcsZ ByteArrayRep
mkArrayPrimTy elt = mkTyConApp arrayPrimTyCon [elt]
byteArrayPrimTy = mkTyConTy byteArrayPrimTyCon
%************************************************************************
\begin{code}
-mutVarPrimTyCon = pcPrimTyCon mutVarPrimTyConKey SLIT("MutVar#") 2 PtrRep
+mutVarPrimTyCon = pcPrimTyCon mutVarPrimTyConKey SLIT("MutVar#")
+ 2 vrcsZP PrimPtrRep
mkMutVarPrimTy s elt = mkTyConApp mutVarPrimTyCon [s, elt]
\end{code}
%************************************************************************
\begin{code}
-mVarPrimTyCon = pcPrimTyCon mVarPrimTyConKey SLIT("MVar#") 2 PtrRep
+mVarPrimTyCon = pcPrimTyCon mVarPrimTyConKey SLIT("MVar#")
+ 2 vrcsZP PrimPtrRep
mkMVarPrimTy s elt = mkTyConApp mVarPrimTyCon [s, elt]
\end{code}
%************************************************************************
\begin{code}
-stablePtrPrimTyCon = pcPrimTyCon stablePtrPrimTyConKey SLIT("StablePtr#") 1 StablePtrRep
+stablePtrPrimTyCon = pcPrimTyCon stablePtrPrimTyConKey SLIT("StablePtr#")
+ 1 vrcsP StablePtrRep
mkStablePtrPrimTy ty = mkTyConApp stablePtrPrimTyCon [ty]
\end{code}
%************************************************************************
%* *
+\subsection[TysPrim-stable-names]{The stable-name type}
+%* *
+%************************************************************************
+
+\begin{code}
+stableNamePrimTyCon = pcPrimTyCon stableNamePrimTyConKey SLIT("StableName#")
+ 1 vrcsP StableNameRep
+
+mkStableNamePrimTy ty = mkTyConApp stableNamePrimTyCon [ty]
+\end{code}
+
+%************************************************************************
+%* *
\subsection[TysPrim-foreign-objs]{The ``foreign object'' type}
%* *
%************************************************************************
\begin{code}
foreignObjPrimTy = mkTyConTy foreignObjPrimTyCon
-foreignObjPrimTyCon = pcPrimTyCon foreignObjPrimTyConKey SLIT("ForeignObj#") 0 ForeignObjRep
+foreignObjPrimTyCon = pcPrimTyCon foreignObjPrimTyConKey SLIT("ForeignObj#") 0 [] ForeignObjRep
+\end{code}
+
+%************************************************************************
+%* *
+\subsection[TysPrim-BCOs]{The ``bytecode object'' type}
+%* *
+%************************************************************************
+
+\begin{code}
+bcoPrimTy = mkTyConTy bcoPrimTyCon
+bcoPrimTyCon = pcPrimTyCon bcoPrimTyConKey SLIT("BCO#") 0 [] BCORep
\end{code}
%************************************************************************
%************************************************************************
\begin{code}
-weakPrimTyCon = pcPrimTyCon weakPrimTyConKey SLIT("Weak#") 1 WeakPtrRep
+weakPrimTyCon = pcPrimTyCon weakPrimTyConKey SLIT("Weak#") 1 vrcsP WeakPtrRep
mkWeakPrimTy v = mkTyConApp weakPrimTyCon [v]
\end{code}
\begin{code}
threadIdPrimTy = mkTyConTy threadIdPrimTyCon
-threadIdPrimTyCon = pcPrimTyCon threadIdPrimTyConKey SLIT("ThreadId#") 0 ThreadIdRep
+threadIdPrimTyCon = pcPrimTyCon threadIdPrimTyConKey SLIT("ThreadId#") 0 [] ThreadIdRep
\end{code}
%************************************************************************
\begin{code}
primRepTyCon CharRep = charPrimTyCon
+primRepTyCon Int8Rep = charPrimTyCon
primRepTyCon IntRep = intPrimTyCon
primRepTyCon WordRep = wordPrimTyCon
primRepTyCon Int64Rep = int64PrimTyCon