X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fprelude%2FTysWiredIn.lhs;h=91c068d599b88b9b8463fec6f3d5b824308144e4;hb=11673fb316209c09f81ca9715beb17c0c6191af5;hp=a2b6ae3910e600429a3fe4870b87d1778dc13a8d;hpb=495ef8bd9ef30bffe50ea399b91e3ba09646b59a;p=ghc-hetmet.git diff --git a/ghc/compiler/prelude/TysWiredIn.lhs b/ghc/compiler/prelude/TysWiredIn.lhs index a2b6ae3..91c068d 100644 --- a/ghc/compiler/prelude/TysWiredIn.lhs +++ b/ghc/compiler/prelude/TysWiredIn.lhs @@ -11,6 +11,8 @@ types and operations.'' \begin{code} module TysWiredIn ( + wiredInTyCons, genericTyCons, + addrDataCon, addrTy, addrTyCon, @@ -53,6 +55,11 @@ module TysWiredIn ( unboxedSingletonTyCon, unboxedSingletonDataCon, unboxedPairTyCon, unboxedPairDataCon, + -- Generics + genUnitTyCon, genUnitDataCon, + plusTyCon, inrDataCon, inlDataCon, + crossTyCon, crossDataCon, + stablePtrTyCon, stringTy, trueDataCon, trueDataConId, @@ -62,17 +69,21 @@ module TysWiredIn ( wordTy, wordTyCon, - isFFIArgumentTy, -- :: Bool -> Type -> Bool - isFFIResultTy, -- :: Type -> Bool - isFFIExternalTy, -- :: Type -> Bool - isAddrTy, -- :: Type -> Bool - isForeignObjTy -- :: Type -> Bool + isFFIArgumentTy, -- :: Bool -> Type -> Bool + isFFIResultTy, -- :: Type -> Bool + isFFIExternalTy, -- :: Type -> Bool + isFFIDynArgumentTy, -- :: Type -> Bool + isFFIDynResultTy, -- :: Type -> Bool + isFFILabelTy, -- :: Type -> Bool + isAddrTy, -- :: Type -> Bool + isForeignObjTy -- :: Type -> Bool ) where #include "HsVersions.h" import {-# SOURCE #-} MkId( mkDataConId, mkDataConWrapId ) +import {-# SOURCE #-} Generics( mkTyConGenInfo ) -- friends: import PrelNames @@ -81,77 +92,120 @@ import TysPrim -- others: import Constants ( mAX_TUPLE_SIZE ) import Module ( Module, mkPrelModule ) -import Name ( mkWiredInTyConName, mkWiredInIdName, mkSrcOccFS, mkWorkerOcc, dataName ) +import Name ( mkWiredInTyConName, mkWiredInIdName, nameOccName ) +import OccName ( mkSrcOccFS, tcName, dataName, mkWorkerOcc, mkGenOcc1, mkGenOcc2 ) +import RdrName ( RdrName, mkPreludeQual, rdrNameOcc, rdrNameModule ) import DataCon ( DataCon, StrictnessMark(..), mkDataCon, dataConId ) import Var ( TyVar, tyVarKind ) import TyCon ( TyCon, AlgTyConFlavour(..), ArgVrcs, tyConDataCons, - mkAlgTyCon, mkSynTyCon, mkTupleTyCon, isUnLiftedTyCon + mkSynTyCon, mkTupleTyCon, + isUnLiftedTyCon, mkAlgTyConRep,tyConName ) -import BasicTypes ( Arity, NewOrData(..), RecFlag(..), Boxity(..), isBoxed ) + +import BasicTypes ( Arity, RecFlag(..), EP(..), Boxity(..), isBoxed ) + import Type ( Type, mkTyConTy, mkTyConApp, mkSigmaTy, mkTyVarTys, mkArrowKinds, boxedTypeKind, unboxedTypeKind, - mkFunTy, mkFunTys, - splitTyConApp_maybe, repType, + mkFunTy, mkFunTys, + splitTyConApp_maybe, repType, mkTyVarTy, TauType, ClassContext ) -import PrimRep ( PrimRep(..) ) -import Unique -import CmdLineOpts ( opt_GlasgowExts ) -import Util ( assoc ) -import Panic ( panic ) +import Unique ( incrUnique, mkTupleTyConUnique, mkTupleDataConUnique ) +import PrelNames +import CmdLineOpts ( DynFlags, dopt_GlasgowExts ) import Array +import Maybe ( fromJust ) +import FiniteMap ( lookupFM ) alpha_tyvar = [alphaTyVar] alpha_ty = [alphaTy] alpha_beta_tyvars = [alphaTyVar, betaTyVar] +\end{code} -pcRecDataTyCon, pcNonRecDataTyCon - :: Unique{-TyConKey-} -> Module -> FAST_STRING - -> [TyVar] -> ArgVrcs -> [DataCon] -> TyCon -pcRecDataTyCon = pcTyCon DataTyCon Recursive -pcNonRecDataTyCon = pcTyCon DataTyCon NonRecursive +%************************************************************************ +%* * +\subsection{Wired in type constructors} +%* * +%************************************************************************ -pcTyCon new_or_data is_rec key mod str tyvars argvrcs cons - = tycon - where - tycon = mkAlgTyCon name kind - tyvars - [] -- No context - argvrcs - cons - (length cons) - [] -- No derivings - new_or_data - is_rec +\begin{code} +wiredInTyCons :: [TyCon] +wiredInTyCons = data_tycons ++ tuple_tycons ++ unboxed_tuple_tycons + +data_tycons = genericTyCons ++ + [ addrTyCon + , boolTyCon + , charTyCon + , doubleTyCon + , floatTyCon + , intTyCon + , integerTyCon + , listTyCon + , wordTyCon + ] + +genericTyCons :: [TyCon] +genericTyCons = [ plusTyCon, crossTyCon, genUnitTyCon ] + + +tuple_tycons = unitTyCon : [tupleTyCon Boxed i | i <- [2..37] ] +unboxed_tuple_tycons = [tupleTyCon Unboxed i | i <- [1..37] ] +\end{code} - name = mkWiredInTyConName key mod str tycon - kind = mkArrowKinds (map tyVarKind tyvars) boxedTypeKind -pcSynTyCon key mod str kind arity tyvars expansion argvrcs -- this fun never used! +%************************************************************************ +%* * +\subsection{mkWiredInTyCon} +%* * +%************************************************************************ + +\begin{code} +pcNonRecDataTyCon = pcTyCon DataTyCon NonRecursive +pcRecDataTyCon = pcTyCon DataTyCon Recursive + +pcTyCon new_or_data is_rec key rdr_name tyvars argvrcs cons = tycon where - tycon = mkSynTyCon name kind arity tyvars expansion argvrcs - name = mkWiredInTyConName key mod str tycon - -pcDataCon :: Unique{-DataConKey-} -> Module -> FAST_STRING - -> [TyVar] -> ClassContext -> [TauType] -> TyCon -> DataCon + tycon = mkAlgTyConRep name kind + tyvars + [] -- No context + argvrcs + cons + (length cons) + [] -- No derivings + new_or_data + is_rec + gen_info + + mod = mkPrelModule (rdrNameModule rdr_name) + occ = rdrNameOcc rdr_name + name = mkWiredInTyConName key mod occ tycon + kind = mkArrowKinds (map tyVarKind tyvars) boxedTypeKind + gen_info = mk_tc_gen_info mod key name tycon + +pcDataCon :: Unique -- DataConKey + -> RdrName -- Qualified + -> [TyVar] -> ClassContext -> [TauType] -> TyCon -> DataCon -- The unique is the first of two free uniques; --- the first is used for the datacon itself and the worker; +-- the first is used for the datacon itself and the worker; -- the second is used for the wrapper. -pcDataCon wrap_key mod str tyvars context arg_tys tycon + +pcDataCon wrap_key rdr_name tyvars context arg_tys tycon = data_con where - data_con = mkDataCon wrap_name - [ NotMarkedStrict | a <- arg_tys ] - [ {- no labelled fields -} ] - tyvars context [] [] arg_tys tycon work_id wrap_id + mod = mkPrelModule (rdrNameModule rdr_name) + wrap_occ = rdrNameOcc rdr_name + + data_con = mkDataCon wrap_name + [ NotMarkedStrict | a <- arg_tys ] + [ {- no labelled fields -} ] + tyvars context [] [] arg_tys tycon work_id wrap_id work_occ = mkWorkerOcc wrap_occ work_key = incrUnique wrap_key work_name = mkWiredInIdName work_key mod work_occ work_id work_id = mkDataConId work_name data_con - - wrap_occ = mkSrcOccFS dataName str + wrap_name = mkWiredInIdName wrap_key mod wrap_occ wrap_id wrap_id = mkDataConWrapId data_con \end{code} @@ -181,8 +235,8 @@ unboxedTupleArr = array (0,mAX_TUPLE_SIZE) [(i,mk_tuple Unboxed i) | i <- [0..mA mk_tuple :: Boxity -> Int -> (TyCon,DataCon) mk_tuple boxity arity = (tycon, tuple_con) where - tycon = mkTupleTyCon tc_name tc_kind arity tyvars tuple_con boxity - tc_name = mkWiredInTyConName tc_uniq mod name_str tycon + tycon = mkTupleTyCon tc_name tc_kind arity tyvars tuple_con boxity gen_info + tc_name = mkWiredInTyConName tc_uniq mod (mkSrcOccFS tcName name_str) tycon tc_kind = mkArrowKinds (map tyVarKind tyvars) res_kind res_kind | isBoxed boxity = boxedTypeKind | otherwise = unboxedTypeKind @@ -190,12 +244,27 @@ mk_tuple boxity arity = (tycon, tuple_con) tyvars | isBoxed boxity = take arity alphaTyVars | otherwise = take arity openAlphaTyVars - tuple_con = pcDataCon dc_uniq mod name_str tyvars [] tyvar_tys tycon + tuple_con = pcDataCon dc_uniq rdr_name tyvars [] tyvar_tys tycon tyvar_tys = mkTyVarTys tyvars (mod_name, name_str) = mkTupNameStr boxity arity + rdr_name = mkPreludeQual dataName mod_name name_str tc_uniq = mkTupleTyConUnique boxity arity dc_uniq = mkTupleDataConUnique boxity arity mod = mkPrelModule mod_name + gen_info = mk_tc_gen_info mod tc_uniq tc_name tycon + +mk_tc_gen_info mod tc_uniq tc_name tycon + = gen_info + where + tc_occ_name = nameOccName tc_name + occ_name1 = mkGenOcc1 tc_occ_name + occ_name2 = mkGenOcc2 tc_occ_name + fn1_key = incrUnique tc_uniq + fn2_key = incrUnique fn1_key + name1 = mkWiredInIdName fn1_key mod occ_name1 id1 + name2 = mkWiredInIdName fn2_key mod occ_name2 id2 + gen_info = mkTyConGenInfo tycon name1 name2 + Just (EP id1 id2) = gen_info unitTyCon = tupleTyCon Boxed 0 unitDataConId = dataConId (head (tyConDataCons unitTyCon)) @@ -234,8 +303,8 @@ voidTy = unitTy \begin{code} charTy = mkTyConTy charTyCon -charTyCon = pcNonRecDataTyCon charTyConKey pREL_BASE SLIT("Char") [] [] [charDataCon] -charDataCon = pcDataCon charDataConKey pREL_BASE SLIT("C#") [] [] [charPrimTy] charTyCon +charTyCon = pcNonRecDataTyCon charTyConKey charTyCon_RDR [] [] [charDataCon] +charDataCon = pcDataCon charDataConKey charDataCon_RDR [] [] [charPrimTy] charTyCon stringTy = mkListTy charTy -- convenience only \end{code} @@ -243,8 +312,8 @@ stringTy = mkListTy charTy -- convenience only \begin{code} intTy = mkTyConTy intTyCon -intTyCon = pcNonRecDataTyCon intTyConKey pREL_BASE SLIT("Int") [] [] [intDataCon] -intDataCon = pcDataCon intDataConKey pREL_BASE SLIT("I#") [] [] [intPrimTy] intTyCon +intTyCon = pcNonRecDataTyCon intTyConKey intTyCon_RDR [] [] [intDataCon] +intDataCon = pcDataCon intDataConKey mkInt_RDR [] [] [intPrimTy] intTyCon isIntTy :: Type -> Bool isIntTy = isTyCon intTyConKey @@ -254,15 +323,15 @@ isIntTy = isTyCon intTyConKey wordTy = mkTyConTy wordTyCon -wordTyCon = pcNonRecDataTyCon wordTyConKey pREL_ADDR SLIT("Word") [] [] [wordDataCon] -wordDataCon = pcDataCon wordDataConKey pREL_ADDR SLIT("W#") [] [] [wordPrimTy] wordTyCon +wordTyCon = pcNonRecDataTyCon wordTyConKey wordTyCon_RDR [] [] [wordDataCon] +wordDataCon = pcDataCon wordDataConKey wordDataCon_RDR [] [] [wordPrimTy] wordTyCon \end{code} \begin{code} addrTy = mkTyConTy addrTyCon -addrTyCon = pcNonRecDataTyCon addrTyConKey pREL_ADDR SLIT("Addr") [] [] [addrDataCon] -addrDataCon = pcDataCon addrDataConKey pREL_ADDR SLIT("A#") [] [] [addrPrimTy] addrTyCon +addrTyCon = pcNonRecDataTyCon addrTyConKey addrTyCon_RDR [] [] [addrDataCon] +addrDataCon = pcDataCon addrDataConKey addrDataCon_RDR [] [] [addrPrimTy] addrTyCon isAddrTy :: Type -> Bool isAddrTy = isTyCon addrTyConKey @@ -271,8 +340,8 @@ isAddrTy = isTyCon addrTyConKey \begin{code} floatTy = mkTyConTy floatTyCon -floatTyCon = pcNonRecDataTyCon floatTyConKey pREL_FLOAT SLIT("Float") [] [] [floatDataCon] -floatDataCon = pcDataCon floatDataConKey pREL_FLOAT SLIT("F#") [] [] [floatPrimTy] floatTyCon +floatTyCon = pcNonRecDataTyCon floatTyConKey floatTyCon_RDR [] [] [floatDataCon] +floatDataCon = pcDataCon floatDataConKey floatDataCon_RDR [] [] [floatPrimTy] floatTyCon isFloatTy :: Type -> Bool isFloatTy = isTyCon floatTyConKey @@ -284,27 +353,27 @@ doubleTy = mkTyConTy doubleTyCon isDoubleTy :: Type -> Bool isDoubleTy = isTyCon doubleTyConKey -doubleTyCon = pcNonRecDataTyCon doubleTyConKey pREL_FLOAT SLIT("Double") [] [] [doubleDataCon] -doubleDataCon = pcDataCon doubleDataConKey pREL_FLOAT SLIT("D#") [] [] [doublePrimTy] doubleTyCon +doubleTyCon = pcNonRecDataTyCon doubleTyConKey doubleTyCon_RDR [] [] [doubleDataCon] +doubleDataCon = pcDataCon doubleDataConKey doubleDataCon_RDR [] [] [doublePrimTy] doubleTyCon \end{code} \begin{code} stablePtrTyCon - = pcNonRecDataTyCon stablePtrTyConKey pREL_STABLE SLIT("StablePtr") + = pcNonRecDataTyCon stablePtrTyConKey stablePtrTyCon_RDR alpha_tyvar [(True,False)] [stablePtrDataCon] where stablePtrDataCon - = pcDataCon stablePtrDataConKey pREL_STABLE SLIT("StablePtr") + = pcDataCon stablePtrDataConKey stablePtrDataCon_RDR alpha_tyvar [] [mkStablePtrPrimTy alphaTy] stablePtrTyCon \end{code} \begin{code} foreignObjTyCon - = pcNonRecDataTyCon foreignObjTyConKey pREL_IO_BASE SLIT("ForeignObj") + = pcNonRecDataTyCon foreignObjTyConKey foreignObjTyCon_RDR [] [] [foreignObjDataCon] where foreignObjDataCon - = pcDataCon foreignObjDataConKey pREL_IO_BASE SLIT("ForeignObj") + = pcDataCon foreignObjDataConKey foreignObjDataCon_RDR [] [] [foreignObjPrimTy] foreignObjTyCon isForeignObjTy :: Type -> Bool @@ -322,12 +391,12 @@ isForeignObjTy = isTyCon foreignObjTyConKey integerTy :: Type integerTy = mkTyConTy integerTyCon -integerTyCon = pcNonRecDataTyCon integerTyConKey pREL_NUM SLIT("Integer") +integerTyCon = pcNonRecDataTyCon integerTyConKey integerTyCon_RDR [] [] [smallIntegerDataCon, largeIntegerDataCon] -smallIntegerDataCon = pcDataCon smallIntegerDataConKey pREL_NUM SLIT("S#") +smallIntegerDataCon = pcDataCon smallIntegerDataConKey smallIntegerDataCon_RDR [] [] [intPrimTy] integerTyCon -largeIntegerDataCon = pcDataCon largeIntegerDataConKey pREL_NUM SLIT("J#") +largeIntegerDataCon = pcDataCon largeIntegerDataConKey largeIntegerDataCon_RDR [] [] [intPrimTy, byteArrayPrimTy] integerTyCon @@ -347,23 +416,43 @@ restricted set of types as arguments and results (the restricting factor being the ) \begin{code} -isFFIArgumentTy :: Bool -> Type -> Bool +isFFIArgumentTy :: DynFlags -> Bool -> Type -> Bool -- Checks for valid argument type for a 'foreign import' -isFFIArgumentTy is_safe ty = checkTyCon (legalOutgoingTyCon is_safe) ty +isFFIArgumentTy dflags is_safe ty + = checkRepTyCon (legalOutgoingTyCon dflags is_safe) ty isFFIExternalTy :: Type -> Bool -- Types that are allowed as arguments of a 'foreign export' -isFFIExternalTy ty = checkTyCon legalIncomingTyCon ty +isFFIExternalTy ty = checkRepTyCon legalIncomingTyCon ty isFFIResultTy :: Type -> Bool -- Types that are allowed as a result of a 'foreign import' or of a 'foreign export' -- Maybe we should distinguish between import and export, but -- here we just choose the more restrictive 'incoming' predicate -- But we allow () as well -isFFIResultTy ty = checkTyCon (\tc -> tc == unitTyCon || legalIncomingTyCon tc) ty +isFFIResultTy ty = checkRepTyCon (\tc -> tc == unitTyCon || legalIncomingTyCon tc) ty + +isFFIDynArgumentTy :: Type -> Bool +-- The argument type of a foreign import dynamic must be either Addr, or +-- a newtype of Addr. +isFFIDynArgumentTy = checkRepTyCon (== addrTyCon) + +isFFIDynResultTy :: Type -> Bool +-- The result type of a foreign export dynamic must be either Addr, or +-- a newtype of Addr. +isFFIDynResultTy = checkRepTyCon (== addrTyCon) + +isFFILabelTy :: Type -> Bool +-- The type of a foreign label must be either Addr, or +-- a newtype of Addr. +isFFILabelTy = checkRepTyCon (== addrTyCon) + +checkRepTyCon :: (TyCon -> Bool) -> Type -> Bool + -- look through newtypes +checkRepTyCon check_tc ty = checkTyCon check_tc (repType ty) checkTyCon :: (TyCon -> Bool) -> Type -> Bool -checkTyCon check_tc ty = case splitTyConApp_maybe (repType ty) of +checkTyCon check_tc ty = case splitTyConApp_maybe ty of Just (tycon, _) -> check_tc tycon Nothing -> False @@ -381,24 +470,30 @@ legalIncomingTyCon :: TyCon -> Bool -- bytearrays from a _ccall_ / foreign declaration -- (or be passed them as arguments in foreign exported functions). legalIncomingTyCon tc - | getUnique tc `elem` [ foreignObjTyConKey, byteArrayTyConKey, mutableByteArrayTyConKey ] + | getUnique tc `elem` [ foreignObjTyConKey, byteArrayTyConKey, + mutableByteArrayTyConKey ] = False + -- It's also illegal to make foreign exports that take unboxed + -- arguments. The RTS API currently can't invoke such things. --SDM 7/2000 | otherwise - = marshalableTyCon tc + = boxedMarshalableTyCon tc -legalOutgoingTyCon :: Bool -> TyCon -> Bool +legalOutgoingTyCon :: DynFlags -> Bool -> TyCon -> Bool -- Checks validity of types going from Haskell -> external world -- The boolean is true for a 'safe' call (when we don't want to -- pass Haskell pointers to the world) -legalOutgoingTyCon be_safe tc +legalOutgoingTyCon dflags be_safe tc | be_safe && getUnique tc `elem` [byteArrayTyConKey, mutableByteArrayTyConKey] = False | otherwise - = marshalableTyCon tc + = marshalableTyCon dflags tc -marshalableTyCon tc - = (opt_GlasgowExts && isUnLiftedTyCon tc) - || getUnique tc `elem` [ intTyConKey, int8TyConKey, int16TyConKey, int32TyConKey, int64TyConKey +marshalableTyCon dflags tc + = (dopt_GlasgowExts dflags && isUnLiftedTyCon tc) + || boxedMarshalableTyCon tc + +boxedMarshalableTyCon tc + = getUnique tc `elem` [ intTyConKey, int8TyConKey, int16TyConKey, int32TyConKey, int64TyConKey , wordTyConKey, word8TyConKey, word16TyConKey, word32TyConKey, word64TyConKey , floatTyConKey, doubleTyConKey , addrTyConKey, charTyConKey, foreignObjTyConKey @@ -461,10 +556,10 @@ primitive counterpart. boolTy = mkTyConTy boolTyCon boolTyCon = pcTyCon EnumTyCon NonRecursive boolTyConKey - pREL_BASE SLIT("Bool") [] [] [falseDataCon, trueDataCon] + boolTyCon_RDR [] [] [falseDataCon, trueDataCon] -falseDataCon = pcDataCon falseDataConKey pREL_BASE SLIT("False") [] [] [] boolTyCon -trueDataCon = pcDataCon trueDataConKey pREL_BASE SLIT("True") [] [] [] boolTyCon +falseDataCon = pcDataCon falseDataConKey false_RDR [] [] [] boolTyCon +trueDataCon = pcDataCon trueDataConKey true_RDR [] [] [] boolTyCon falseDataConId = dataConId falseDataCon trueDataConId = dataConId trueDataCon @@ -491,11 +586,11 @@ mkListTy ty = mkTyConApp listTyCon [ty] alphaListTy = mkSigmaTy alpha_tyvar [] (mkTyConApp listTyCon alpha_ty) -listTyCon = pcRecDataTyCon listTyConKey pREL_BASE SLIT("[]") +listTyCon = pcRecDataTyCon listTyConKey listTyCon_RDR alpha_tyvar [(True,False)] [nilDataCon, consDataCon] -nilDataCon = pcDataCon nilDataConKey pREL_BASE SLIT("[]") alpha_tyvar [] [] listTyCon -consDataCon = pcDataCon consDataConKey pREL_BASE SLIT(":") +nilDataCon = pcDataCon nilDataConKey nil_RDR alpha_tyvar [] [] listTyCon +consDataCon = pcDataCon consDataConKey cons_RDR alpha_tyvar [] [alphaTy, mkTyConApp listTyCon alpha_ty] listTyCon -- Interesting: polymorphic recursion would help here. -- We can't use (mkListTy alphaTy) in the defn of consDataCon, else mkListTy @@ -554,3 +649,43 @@ mkTupleTy boxity arity tys = mkTyConApp (tupleTyCon boxity arity) tys unitTy = mkTupleTy Boxed 0 [] \end{code} + +%************************************************************************ +%* * +\subsection{Wired In Type Constructors for Representation Types} +%* * +%************************************************************************ + +The following code defines the wired in datatypes cross, plus, unit +and c_of needed for the generic methods. + +Ok, so the basic story is that for each type constructor I need to +create 2 things - a TyCon and a DataCon and then we are basically +ok. There are going to be no arguments passed to these functions +because -well- there is nothing to pass to these functions. + +\begin{code} +crossTyCon :: TyCon +crossTyCon = pcNonRecDataTyCon crossTyConKey crossTyCon_RDR alpha_beta_tyvars [] [crossDataCon] + +crossDataCon :: DataCon +crossDataCon = pcDataCon crossDataConKey crossDataCon_RDR alpha_beta_tyvars [] [alphaTy, betaTy] crossTyCon + +plusTyCon :: TyCon +plusTyCon = pcNonRecDataTyCon plusTyConKey plusTyCon_RDR alpha_beta_tyvars [] [inlDataCon, inrDataCon] + +inlDataCon, inrDataCon :: DataCon +inlDataCon = pcDataCon inlDataConKey inlDataCon_RDR alpha_beta_tyvars [] [alphaTy] plusTyCon +inrDataCon = pcDataCon inrDataConKey inrDataCon_RDR alpha_beta_tyvars [] [betaTy] plusTyCon + +genUnitTyCon :: TyCon -- The "1" type constructor for generics +genUnitTyCon = pcNonRecDataTyCon genUnitTyConKey genUnitTyCon_RDR [] [] [genUnitDataCon] + +genUnitDataCon :: DataCon +genUnitDataCon = pcDataCon genUnitDataConKey genUnitDataCon_RDR [] [] [] genUnitTyCon +\end{code} + + + + +