\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,
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
-- 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}
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}
%************************************************************************
\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.
--
-- 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}
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)
charTy = mkTyConTy charTyCon
charTyCon = pcNonRecDataTyCon charTyConName [] [] [charDataCon]
-charDataCon = pcDataCon charDataConName [] [] [charPrimTy] charTyCon
+charDataCon = pcDataCon charDataConName [] [charPrimTy] charTyCon
stringTy = mkListTy charTy -- convenience only
\end{code}
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}
\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
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)
-- 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
-- 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
-- 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
--
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}
projects / ghc-hetmet.git / blobdiff