X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fprelude%2FTysWiredIn.lhs;h=ceb4df550aaec8e0651aa43cb63604a130e0782f;hb=28a464a75e14cece5db40f2765a29348273ff2d2;hp=2975922af8db9f37b47845f3f3744e809ea93859;hpb=f5fbd41ca7f30e0f8db3f7b280a044d5af138428;p=ghc-hetmet.git diff --git a/ghc/compiler/prelude/TysWiredIn.lhs b/ghc/compiler/prelude/TysWiredIn.lhs index 2975922..ceb4df5 100644 --- a/ghc/compiler/prelude/TysWiredIn.lhs +++ b/ghc/compiler/prelude/TysWiredIn.lhs @@ -11,35 +11,26 @@ types and operations.'' \begin{code} module TysWiredIn ( - wiredInTyCons, genericTyCons, - - boolTy, - boolTyCon, - charDataCon, - charTy, - charTyCon, - consDataCon, - doubleDataCon, - doubleTy, - doubleTyCon, - falseDataCon, falseDataConId, - floatDataCon, - floatTy, - floatTyCon, - - intDataCon, - intTy, - intTyCon, + wiredInTyCons, + + boolTy, boolTyCon, boolTyCon_RDR, boolTyConName, + trueDataCon, trueDataConId, true_RDR, + falseDataCon, falseDataConId, false_RDR, + + charTyCon, charDataCon, charTyCon_RDR, + charTy, stringTy, charTyConName, - integerTy, - integerTyCon, - smallIntegerDataCon, - largeIntegerDataCon, + + doubleTyCon, doubleDataCon, doubleTy, doubleTyConName, + + floatTyCon, floatDataCon, floatTy, floatTyConName, - listTyCon, + intTyCon, intDataCon, intTyCon_RDR, intDataCon_RDR, intTyConName, + intTy, + listTyCon, nilDataCon, consDataCon, + listTyCon_RDR, consDataCon_RDR, listTyConName, mkListTy, - nilDataCon, -- tuples mkTupleTy, @@ -48,28 +39,18 @@ module TysWiredIn ( unboxedSingletonTyCon, unboxedSingletonDataCon, unboxedPairTyCon, unboxedPairDataCon, - -- Generics - genUnitTyCon, genUnitDataCon, - plusTyCon, inrDataCon, inlDataCon, - crossTyCon, crossDataCon, - - stringTy, - trueDataCon, trueDataConId, unitTy, voidTy, - wordDataCon, - wordTy, - wordTyCon, -- parallel arrays mkPArrTy, - parrTyCon, parrFakeCon, isPArrTyCon, isPArrFakeCon + parrTyCon, parrFakeCon, isPArrTyCon, isPArrFakeCon, + parrTyCon_RDR, parrTyConName ) where #include "HsVersions.h" -import {-# SOURCE #-} MkId( mkDataConWorkId ) -import {-# SOURCE #-} Generics( mkTyConGenInfo ) +import {-# SOURCE #-} MkId( mkDataConIds ) -- friends: import PrelNames @@ -77,30 +58,31 @@ import TysPrim -- others: import Constants ( mAX_TUPLE_SIZE ) -import Module ( mkBasePkgModule ) -import Name ( Name, nameUnique, nameOccName, +import Module ( Module ) +import RdrName ( nameRdrName ) +import Name ( Name, BuiltInSyntax(..), nameUnique, nameOccName, nameModule, mkWiredInName ) -import OccName ( mkOccFS, tcName, dataName, mkDataConWorkerOcc, mkGenOcc1, mkGenOcc2 ) +import OccName ( mkOccNameFS, tcName, dataName, mkTupleOcc, + mkDataConWorkerOcc ) import DataCon ( DataCon, mkDataCon, dataConWorkId, dataConSourceArity ) import Var ( TyVar, tyVarKind ) -import TyCon ( TyCon, AlgTyConFlavour(..), DataConDetails(..), tyConDataCons, - mkTupleTyCon, mkAlgTyCon, tyConName - ) +import TyCon ( TyCon, AlgTyConRhs(DataTyCon), tyConDataCons, + mkTupleTyCon, mkAlgTyCon, tyConName ) -import BasicTypes ( Arity, RecFlag(..), Boxity(..), isBoxed ) +import BasicTypes ( Arity, RecFlag(..), Boxity(..), isBoxed, + StrictnessMark(..) ) -import Type ( Type, mkTyConTy, mkTyConApp, mkTyVarTy, mkTyVarTys, - mkArrowKinds, liftedTypeKind, unliftedTypeKind, - ThetaType ) +import Type ( Type, mkTyConTy, mkTyConApp, mkTyVarTy, mkTyVarTys, + TyThing(..) ) +import Kind ( mkArrowKinds, liftedTypeKind, ubxTupleKind ) import Unique ( incrUnique, mkTupleTyConUnique, mkTupleDataConUnique, mkPArrDataConUnique ) -import PrelNames import Array import FastString +import Outputable -alpha_tyvar = [alphaTyVar] -alpha_ty = [alphaTy] -alpha_beta_tyvars = [alphaTyVar, betaTyVar] +alpha_tyvar = [alphaTyVar] +alpha_ty = [alphaTy] \end{code} @@ -114,26 +96,67 @@ If you change which things are wired in, make sure you change their names in PrelNames, so they use wTcQual, wDataQual, etc \begin{code} -wiredInTyCons :: [TyCon] -wiredInTyCons = data_tycons ++ tuple_tycons ++ unboxed_tuple_tycons - -data_tycons = genericTyCons ++ - [ boolTyCon +wiredInTyCons :: [TyCon] -- Excludes tuples +wiredInTyCons = [ unitTyCon -- Not treated like other tuples, because + -- it's defined in GHC.Base, and there's only + -- one of it. We put it in wiredInTyCons so + -- that it'll pre-populate the name cache, so + -- the special case in lookupOrigNameCache + -- doesn't need to look out for it + , boolTyCon , charTyCon , doubleTyCon , floatTyCon , intTyCon - , integerTyCon , listTyCon , parrTyCon - , wordTyCon ] +\end{code} -genericTyCons :: [TyCon] -genericTyCons = [ plusTyCon, crossTyCon, genUnitTyCon ] - -tuple_tycons = unitTyCon : [tupleTyCon Boxed i | i <- [2..mAX_TUPLE_SIZE] ] -unboxed_tuple_tycons = [tupleTyCon Unboxed i | i <- [1..mAX_TUPLE_SIZE] ] +\begin{code} +mkWiredInTyConName :: BuiltInSyntax -> Module -> FastString -> Unique -> TyCon -> Name +mkWiredInTyConName built_in mod fs uniq tycon + = mkWiredInName mod (mkOccNameFS tcName fs) uniq + Nothing -- No parent object + (ATyCon tycon) -- Relevant TyCon + built_in + +mkWiredInDataConName :: BuiltInSyntax -> Module -> FastString -> Unique -> DataCon -> Name -> Name +mkWiredInDataConName built_in mod fs uniq datacon parent + = mkWiredInName mod (mkOccNameFS dataName fs) uniq + (Just parent) -- Name of parent TyCon + (ADataCon datacon) -- Relevant DataCon + built_in + +charTyConName = mkWiredInTyConName UserSyntax pREL_BASE FSLIT("Char") charTyConKey charTyCon +charDataConName = mkWiredInDataConName UserSyntax pREL_BASE FSLIT("C#") charDataConKey charDataCon charTyConName +intTyConName = mkWiredInTyConName UserSyntax pREL_BASE FSLIT("Int") intTyConKey intTyCon +intDataConName = mkWiredInDataConName UserSyntax pREL_BASE FSLIT("I#") intDataConKey intDataCon intTyConName + +boolTyConName = mkWiredInTyConName UserSyntax pREL_BASE FSLIT("Bool") boolTyConKey boolTyCon +falseDataConName = mkWiredInDataConName UserSyntax pREL_BASE FSLIT("False") falseDataConKey falseDataCon boolTyConName +trueDataConName = mkWiredInDataConName UserSyntax pREL_BASE FSLIT("True") trueDataConKey trueDataCon boolTyConName +listTyConName = mkWiredInTyConName BuiltInSyntax pREL_BASE FSLIT("[]") listTyConKey listTyCon +nilDataConName = mkWiredInDataConName BuiltInSyntax pREL_BASE FSLIT("[]") nilDataConKey nilDataCon listTyConName +consDataConName = mkWiredInDataConName BuiltInSyntax pREL_BASE FSLIT(":") consDataConKey consDataCon listTyConName + +floatTyConName = mkWiredInTyConName UserSyntax pREL_FLOAT FSLIT("Float") floatTyConKey floatTyCon +floatDataConName = mkWiredInDataConName UserSyntax pREL_FLOAT FSLIT("F#") floatDataConKey floatDataCon floatTyConName +doubleTyConName = mkWiredInTyConName UserSyntax pREL_FLOAT FSLIT("Double") doubleTyConKey doubleTyCon +doubleDataConName = mkWiredInDataConName UserSyntax pREL_FLOAT FSLIT("D#") doubleDataConKey doubleDataCon doubleTyConName + +parrTyConName = mkWiredInTyConName BuiltInSyntax pREL_PARR FSLIT("[::]") parrTyConKey parrTyCon +parrDataConName = mkWiredInDataConName UserSyntax pREL_PARR FSLIT("PArr") parrDataConKey parrDataCon parrTyConName + +boolTyCon_RDR = nameRdrName boolTyConName +false_RDR = nameRdrName falseDataConName +true_RDR = nameRdrName trueDataConName +intTyCon_RDR = nameRdrName intTyConName +charTyCon_RDR = nameRdrName charTyConName +intDataCon_RDR = nameRdrName intDataConName +listTyCon_RDR = nameRdrName listTyConName +consDataCon_RDR = nameRdrName consDataConName +parrTyCon_RDR = nameRdrName parrTyConName \end{code} @@ -144,41 +167,26 @@ unboxed_tuple_tycons = [tupleTyCon Unboxed i | i <- [1..mAX_TUPLE_SIZE] ] %************************************************************************ \begin{code} -pcNonRecDataTyCon = pcTyCon DataTyCon NonRecursive -pcRecDataTyCon = pcTyCon DataTyCon Recursive +pcNonRecDataTyCon = pcTyCon False NonRecursive +pcRecDataTyCon = pcTyCon False Recursive -pcTyCon new_or_data is_rec name tyvars argvrcs cons +pcTyCon is_enum is_rec name tyvars argvrcs cons = tycon where - tycon = mkAlgTyCon name kind + tycon = mkAlgTyCon name + (mkArrowKinds (map tyVarKind tyvars) liftedTypeKind) tyvars - [] -- No context argvrcs - (DataCons cons) - [] -- No record selectors - new_or_data + [] -- No stupid theta + (DataTyCon cons is_enum) + [] -- No record selectors is_rec - gen_info + True -- All the wired-in tycons have generics - mod = nameModule name - kind = mkArrowKinds (map tyVarKind tyvars) liftedTypeKind - gen_info = mk_tc_gen_info mod (nameUnique name) name tycon +pcDataCon :: Name -> [TyVar] -> [Type] -> TyCon -> DataCon +pcDataCon = pcDataConWithFixity False --- We generate names for the generic to/from Ids by incrementing --- the TyCon unique. So each Prelude tycon needs 3 slots, one --- for itself and two more for the generic Ids. -mk_tc_gen_info mod tc_uniq tc_name tycon - = mkTyConGenInfo tycon [name1, name2] - 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 = mkWiredInName mod occ_name1 fn1_key - name2 = mkWiredInName mod occ_name2 fn2_key - -pcDataCon :: Name -> [TyVar] -> ThetaType -> [Type] -> TyCon -> DataCon +pcDataConWithFixity :: Bool -> Name -> [TyVar] -> [Type] -> TyCon -> DataCon -- The Name should be in the DataName name space; it's the name -- of the DataCon itself. -- @@ -186,21 +194,24 @@ pcDataCon :: Name -> [TyVar] -> ThetaType -> [Type] -> TyCon -> DataCon -- the first is used for the datacon itself, -- the second is used for the "worker name" -pcDataCon dc_name tyvars context arg_tys tycon +pcDataConWithFixity declared_infix dc_name tyvars arg_tys tycon = data_con where - data_con = mkDataCon dc_name - [{- No strictness -}] + data_con = mkDataCon dc_name declared_infix True {- Vanilla -} + (map (const NotMarkedStrict) arg_tys) [{- No labelled fields -}] - tyvars context [] [] arg_tys tycon work_id - Nothing {- No wrapper for wired-in things - (they are too simple to need one) -} + tyvars [] [] arg_tys tycon (mkTyVarTys tyvars) + (mkDataConIds bogus_wrap_name wrk_name data_con) + mod = nameModule dc_name wrk_occ = mkDataConWorkerOcc (nameOccName dc_name) wrk_key = incrUnique (nameUnique dc_name) wrk_name = mkWiredInName mod wrk_occ wrk_key - work_id = mkDataConWorkId wrk_name data_con + (Just (tyConName tycon)) + (AnId (dataConWorkId data_con)) UserSyntax + bogus_wrap_name = pprPanic "Wired-in data wrapper id" (ppr dc_name) + -- Wired-in types are too simple to need wrappers \end{code} @@ -229,22 +240,24 @@ 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 gen_info - tc_name = mkWiredInName mod (mkOccFS tcName name_str) tc_uniq + mod = mkTupleModule boxity arity + tc_name = mkWiredInName mod (mkTupleOcc tcName boxity arity) tc_uniq + Nothing (ATyCon tycon) BuiltInSyntax tc_kind = mkArrowKinds (map tyVarKind tyvars) res_kind res_kind | isBoxed boxity = liftedTypeKind - | otherwise = unliftedTypeKind + | otherwise = ubxTupleKind tyvars | isBoxed boxity = take arity alphaTyVars | otherwise = take arity openAlphaTyVars - tuple_con = pcDataCon name tyvars [] tyvar_tys tycon + tuple_con = pcDataCon dc_name tyvars tyvar_tys tycon tyvar_tys = mkTyVarTys tyvars - (mod_name, name_str) = mkTupNameStr boxity arity - name = mkWiredInName mod (mkOccFS dataName name_str) dc_uniq + dc_name = mkWiredInName mod (mkTupleOcc dataName boxity arity) dc_uniq + (Just tc_name) (ADataCon tuple_con) BuiltInSyntax tc_uniq = mkTupleTyConUnique boxity arity dc_uniq = mkTupleDataConUnique boxity arity - mod = mkBasePkgModule mod_name - gen_info = mk_tc_gen_info mod tc_uniq tc_name tycon + gen_info = True -- Tuples all have generics.. + -- hmm: that's a *lot* of code unitTyCon = tupleTyCon Boxed 0 unitDataCon = head (tyConDataCons unitTyCon) @@ -285,7 +298,7 @@ voidTy = unitTy charTy = mkTyConTy charTyCon charTyCon = pcNonRecDataTyCon charTyConName [] [] [charDataCon] -charDataCon = pcDataCon charDataConName [] [] [charPrimTy] charTyCon +charDataCon = pcDataCon charDataConName [] [charPrimTy] charTyCon stringTy = mkListTy charTy -- convenience only \end{code} @@ -294,49 +307,21 @@ stringTy = mkListTy charTy -- convenience only intTy = mkTyConTy intTyCon intTyCon = pcNonRecDataTyCon intTyConName [] [] [intDataCon] -intDataCon = pcDataCon intDataConName [] [] [intPrimTy] intTyCon -\end{code} - -\begin{code} -wordTy = mkTyConTy wordTyCon - -wordTyCon = pcNonRecDataTyCon wordTyConName [] [] [wordDataCon] -wordDataCon = pcDataCon wordDataConName [] [] [wordPrimTy] wordTyCon +intDataCon = pcDataCon intDataConName [] [intPrimTy] intTyCon \end{code} \begin{code} floatTy = mkTyConTy floatTyCon floatTyCon = pcNonRecDataTyCon floatTyConName [] [] [floatDataCon] -floatDataCon = pcDataCon floatDataConName [] [] [floatPrimTy] floatTyCon +floatDataCon = pcDataCon floatDataConName [] [floatPrimTy] floatTyCon \end{code} \begin{code} doubleTy = mkTyConTy doubleTyCon doubleTyCon = pcNonRecDataTyCon doubleTyConName [] [] [doubleDataCon] -doubleDataCon = pcDataCon doubleDataConName [] [] [doublePrimTy] doubleTyCon -\end{code} - - -%************************************************************************ -%* * -\subsection[TysWiredIn-Integer]{@Integer@ and its related ``pairing'' types} -%* * -%************************************************************************ - -@Integer@ and its pals are not really primitive. @Integer@ itself, first: -\begin{code} -integerTy :: Type -integerTy = mkTyConTy integerTyCon - -integerTyCon = pcNonRecDataTyCon integerTyConName - [] [] [smallIntegerDataCon, largeIntegerDataCon] - -smallIntegerDataCon = pcDataCon smallIntegerDataConName - [] [] [intPrimTy] integerTyCon -largeIntegerDataCon = pcDataCon largeIntegerDataConName - [] [] [intPrimTy, byteArrayPrimTy] integerTyCon +doubleDataCon = pcDataCon doubleDataConName [] [doublePrimTy] doubleTyCon \end{code} @@ -391,11 +376,11 @@ primitive counterpart. \begin{code} boolTy = mkTyConTy boolTyCon -boolTyCon = pcTyCon EnumTyCon NonRecursive boolTyConName +boolTyCon = pcTyCon True NonRecursive boolTyConName [] [] [falseDataCon, trueDataCon] -falseDataCon = pcDataCon falseDataConName [] [] [] boolTyCon -trueDataCon = pcDataCon trueDataConName [] [] [] boolTyCon +falseDataCon = pcDataCon falseDataConName [] [] boolTyCon +trueDataCon = pcDataCon trueDataConName [] [] boolTyCon falseDataConId = dataConWorkId falseDataCon trueDataConId = dataConWorkId trueDataCon @@ -423,9 +408,10 @@ mkListTy ty = mkTyConApp listTyCon [ty] listTyCon = pcRecDataTyCon listTyConName alpha_tyvar [(True,False)] [nilDataCon, consDataCon] -nilDataCon = pcDataCon nilDataConName alpha_tyvar [] [] listTyCon -consDataCon = pcDataCon consDataConName - alpha_tyvar [] [alphaTy, mkTyConApp listTyCon alpha_ty] listTyCon +nilDataCon = pcDataCon nilDataConName alpha_tyvar [] listTyCon +consDataCon = pcDataConWithFixity True {- Declared infix -} + consDataConName + 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 -- gets the over-specific type (Type -> Type) @@ -501,36 +487,19 @@ mkPArrTy ty = mkTyConApp parrTyCon [ty] -- represents the type constructor of parallel arrays -- --- * this must match the definition in `PrelPArr' +-- * this must match the definition in `PrelPArr' -- -- NB: Although the constructor is given here, it will not be accessible in -- user code as it is not in the environment of any compiled module except -- `PrelPArr'. -- parrTyCon :: TyCon -parrTyCon = tycon - where - tycon = mkAlgTyCon - parrTyConName - kind - tyvars - [] -- No context - [(True, False)] - (DataCons [parrDataCon]) -- The constructor defined in `PrelPArr' - [] -- No record selectors - DataTyCon - NonRecursive - genInfo - tyvars = alpha_tyvar - mod = nameModule parrTyConName - kind = mkArrowKinds (map tyVarKind tyvars) liftedTypeKind - genInfo = mk_tc_gen_info mod (nameUnique parrTyConName) parrTyConName tycon +parrTyCon = pcNonRecDataTyCon parrTyConName alpha_tyvar [(True, False)] [parrDataCon] parrDataCon :: DataCon parrDataCon = pcDataCon parrDataConName alpha_tyvar -- forall'ed type variables - [] -- context [intPrimTy, -- 1st argument: Int# mkTyConApp -- 2nd argument: Array# a arrayPrimTyCon @@ -544,7 +513,7 @@ isPArrTyCon tc = tyConName tc == parrTyConName -- fake array constructors -- --- * these constructors are never really used to represent array values; +-- * these constructors are never really used to represent array values; -- however, they are very convenient during desugaring (and, in particular, -- in the pattern matching compiler) to treat array pattern just like -- yet another constructor pattern @@ -562,14 +531,15 @@ parrFakeConArr = array (0, mAX_TUPLE_SIZE) [(i, mkPArrFakeCon i) -- build a fake parallel array constructor for the given arity -- mkPArrFakeCon :: Int -> DataCon -mkPArrFakeCon arity = pcDataCon name [tyvar] [] tyvarTys parrTyCon +mkPArrFakeCon arity = data_con where + data_con = pcDataCon name [tyvar] tyvarTys parrTyCon tyvar = head alphaTyVars tyvarTys = replicate arity $ mkTyVarTy tyvar nameStr = mkFastString ("MkPArr" ++ show arity) - name = mkWiredInName mod (mkOccFS dataName nameStr) uniq + name = mkWiredInName pREL_PARR (mkOccNameFS dataName nameStr) uniq + Nothing (ADataCon data_con) UserSyntax uniq = mkPArrDataConUnique arity - mod = mkBasePkgModule pREL_PARR_Name -- checks whether a data constructor is a fake constructor for parallel arrays -- @@ -577,37 +547,3 @@ isPArrFakeCon :: DataCon -> Bool isPArrFakeCon dcon = dcon == parrFakeCon (dataConSourceArity dcon) \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 crossTyConName alpha_beta_tyvars [] [crossDataCon] - -crossDataCon :: DataCon -crossDataCon = pcDataCon crossDataConName alpha_beta_tyvars [] [alphaTy, betaTy] crossTyCon - -plusTyCon :: TyCon -plusTyCon = pcNonRecDataTyCon plusTyConName alpha_beta_tyvars [] [inlDataCon, inrDataCon] - -inlDataCon, inrDataCon :: DataCon -inlDataCon = pcDataCon inlDataConName alpha_beta_tyvars [] [alphaTy] plusTyCon -inrDataCon = pcDataCon inrDataConName alpha_beta_tyvars [] [betaTy] plusTyCon - -genUnitTyCon :: TyCon -- The "1" type constructor for generics -genUnitTyCon = pcNonRecDataTyCon genUnitTyConName [] [] [genUnitDataCon] - -genUnitDataCon :: DataCon -genUnitDataCon = pcDataCon genUnitDataConName [] [] [] genUnitTyCon -\end{code}