types and operations.''
\begin{code}
-#include "HsVersions.h"
-
module TysPrim where
-IMP_Ubiq(){-uitous-}
+#include "HsVersions.h"
import Kind ( mkUnboxedTypeKind, mkBoxedTypeKind, mkTypeKind, mkArrowKind )
-import Name ( mkPrimitiveName )
-import PrelMods ( gHC_BUILTINS )
+import Name ( mkWiredInTyConName )
import PrimRep ( PrimRep(..) ) -- getPrimRepInfo uses PrimRep repn
-import TyCon ( mkPrimTyCon, mkDataTyCon, NewOrData(..) )
-import Type ( applyTyCon, mkTyVarTys, mkTyConTy )
+import TyCon ( mkPrimTyCon, mkDataTyCon, TyCon )
+import BasicTypes ( NewOrData(..), RecFlag(..) )
+import Type ( mkTyConApp, mkTyConTy, mkTyVarTys, Type )
import TyVar ( GenTyVar(..), alphaTyVars )
-import Usage ( usageOmega )
+import PrelMods ( pREL_GHC )
import Unique
\end{code}
pcPrimTyCon :: Unique{-TyConKey-} -> FAST_STRING -> Int -> PrimRep -> TyCon
pcPrimTyCon key str arity primrep
- = mkPrimTyCon name (mk_kind arity) primrep
+ = the_tycon
where
- name = mkPrimitiveName key (OrigName gHC_BUILTINS str)
+ name = mkWiredInTyConName key pREL_GHC str the_tycon
+ the_tycon = mkPrimTyCon name arity primrep
- mk_kind 0 = mkUnboxedTypeKind
- mk_kind n = mkTypeKind `mkArrowKind` mk_kind (n-1)
-
-charPrimTy = applyTyCon charPrimTyCon []
+charPrimTy = mkTyConTy charPrimTyCon
charPrimTyCon = pcPrimTyCon charPrimTyConKey SLIT("Char#") 0 CharRep
-intPrimTy = applyTyCon intPrimTyCon []
+intPrimTy = mkTyConTy intPrimTyCon
intPrimTyCon = pcPrimTyCon intPrimTyConKey SLIT("Int#") 0 IntRep
-wordPrimTy = applyTyCon wordPrimTyCon []
+wordPrimTy = mkTyConTy wordPrimTyCon
wordPrimTyCon = pcPrimTyCon wordPrimTyConKey SLIT("Word#") 0 WordRep
-addrPrimTy = applyTyCon addrPrimTyCon []
+addrPrimTy = mkTyConTy addrPrimTyCon
addrPrimTyCon = pcPrimTyCon addrPrimTyConKey SLIT("Addr#") 0 AddrRep
-floatPrimTy = applyTyCon floatPrimTyCon []
+floatPrimTy = mkTyConTy floatPrimTyCon
floatPrimTyCon = pcPrimTyCon floatPrimTyConKey SLIT("Float#") 0 FloatRep
-doublePrimTy = applyTyCon doublePrimTyCon []
+doublePrimTy = mkTyConTy doublePrimTyCon
doublePrimTyCon = pcPrimTyCon doublePrimTyConKey SLIT("Double#") 0 DoubleRep
\end{code}
keep different state threads separate. It is represented by nothing at all.
\begin{code}
-mkStatePrimTy ty = applyTyCon statePrimTyCon [ty]
+mkStatePrimTy ty = mkTyConApp statePrimTyCon [ty]
statePrimTyCon = pcPrimTyCon statePrimTyConKey SLIT("State#") 1 VoidRep
\end{code}
system, to parameterise State#.
\begin{code}
-realWorldTy = applyTyCon realWorldTyCon []
-realWorldTyCon
- = mkDataTyCon name mkBoxedTypeKind
- [{-no tyvars-}]
- [{-no context-}]
- [{-no data cons!-}] -- we tell you *nothing* about this guy
- [{-no derivings-}]
- DataType
- where
- name = mkPrimitiveName realWorldTyConKey (OrigName gHC_BUILTINS SLIT("RealWorld"))
-
+realWorldTy = mkTyConTy realWorldTyCon
+realWorldTyCon = mk_no_constr_tycon realWorldTyConKey SLIT("RealWorld")
realWorldStatePrimTy = mkStatePrimTy realWorldTy
\end{code}
--
-- ) It's boxed; there is only one value of this
-- type, namely "void", whose semantics is just bottom.
-voidTy = mkTyConTy voidTyCon
-
-voidTyCon
- = mkDataTyCon name mkBoxedTypeKind
- [{-no tyvars-}]
- [{-no context-}]
- [{-no data cons!-}]
- [{-no derivings-}]
- DataType
+voidTy = mkTyConTy voidTyCon
+voidTyCon = mk_no_constr_tycon voidTyConKey SLIT("Void")
+\end{code}
+
+\begin{code}
+mk_no_constr_tycon key str
+ = the_tycon
where
- name = mkPrimitiveName voidTyConKey (OrigName gHC_BUILTINS SLIT("Void"))
+ name = mkWiredInTyConName key pREL_GHC str the_tycon
+ the_tycon = mkDataTyCon name mkBoxedTypeKind
+ [] -- No tyvars
+ [] -- No context
+ [] -- No constructors; we tell you *nothing* about this guy
+ [] -- No derivings
+ Nothing -- Not a dictionary
+ DataType
+ NonRecursive
\end{code}
%************************************************************************
mutableByteArrayPrimTyCon = pcPrimTyCon mutableByteArrayPrimTyConKey SLIT("MutableByteArray#") 1 ByteArrayRep
-mkArrayPrimTy elt = applyTyCon arrayPrimTyCon [elt]
-byteArrayPrimTy = applyTyCon byteArrayPrimTyCon []
-mkMutableArrayPrimTy s elt = applyTyCon mutableArrayPrimTyCon [s, elt]
-mkMutableByteArrayPrimTy s = applyTyCon mutableByteArrayPrimTyCon [s]
+mkArrayPrimTy elt = mkTyConApp arrayPrimTyCon [elt]
+byteArrayPrimTy = mkTyConTy byteArrayPrimTyCon
+mkMutableArrayPrimTy s elt = mkTyConApp mutableArrayPrimTyCon [s, elt]
+mkMutableByteArrayPrimTy s = mkTyConApp mutableByteArrayPrimTyCon [s]
\end{code}
%************************************************************************
\begin{code}
synchVarPrimTyCon = pcPrimTyCon synchVarPrimTyConKey SLIT("SynchVar#") 2 PtrRep
-mkSynchVarPrimTy s elt = applyTyCon synchVarPrimTyCon [s, elt]
+mkSynchVarPrimTy s elt = mkTyConApp synchVarPrimTyCon [s, elt]
\end{code}
%************************************************************************
\begin{code}
stablePtrPrimTyCon = pcPrimTyCon stablePtrPrimTyConKey SLIT("StablePtr#") 1 StablePtrRep
-mkStablePtrPrimTy ty = applyTyCon stablePtrPrimTyCon [ty]
+mkStablePtrPrimTy ty = mkTyConApp stablePtrPrimTyCon [ty]
\end{code}
%************************************************************************
could possibly be added?)
\begin{code}
-foreignObjPrimTy = applyTyCon foreignObjPrimTyCon []
+foreignObjPrimTy = mkTyConTy foreignObjPrimTyCon
foreignObjPrimTyCon = pcPrimTyCon foreignObjPrimTyConKey SLIT("ForeignObj#") 0 ForeignObjRep
\end{code}