\begin{code}
module PrelInfo (
- module PrelNames,
module MkId,
- wiredInNames, -- Names of wired in things
- wiredInThings,
-
+ ghcPrimExports,
+ wiredInThings, basicKnownKeyNames,
+ primOpId,
- -- Primop RdrNames
- eqH_Char_RDR, ltH_Char_RDR, eqH_Word_RDR, ltH_Word_RDR,
- eqH_Addr_RDR, ltH_Addr_RDR, eqH_Float_RDR, ltH_Float_RDR,
- eqH_Double_RDR, ltH_Double_RDR, eqH_Int_RDR, ltH_Int_RDR,
- geH_RDR, leH_RDR, minusH_RDR, tagToEnumH_RDR,
-
-- Random other things
maybeCharLikeCon, maybeIntLikeCon,
-- Class categories
- isCcallishClass, isCreturnableClass, isNoDictClass,
isNumericClass, isStandardClass
) where
#include "HsVersions.h"
--- friends:
-import PrelNames -- Prelude module names
+import PrelNames ( basicKnownKeyNames,
+ hasKey, charDataConKey, intDataConKey,
+ numericClassKeys, standardClassKeys )
-import PrimOp ( PrimOp(..), allThePrimOps, primOpRdrName )
-import DataCon ( DataCon, dataConId, dataConWrapId )
+import PrimOp ( PrimOp, allThePrimOps, primOpOcc, primOpTag, maxPrimOpTag )
+import DataCon ( DataCon )
+import Id ( Id, idName )
import MkId ( mkPrimOpId, wiredInIds )
import MkId -- All of it, for re-export
+import Name ( nameOccName )
import TysPrim ( primTyCons )
import TysWiredIn ( wiredInTyCons )
-import HscTypes ( TyThing(..) )
-
--- others:
-import RdrName ( RdrName )
-import Name ( Name, getName )
-import TyCon ( tyConDataConsIfAvailable, TyCon )
+import HscTypes ( TyThing(..), implicitTyThings, GenAvailInfo(..), RdrAvailInfo )
import Class ( Class, classKey )
import Type ( funTyCon )
-import Bag
-import BasicTypes ( Boxity(..) )
+import TyCon ( tyConName )
import Util ( isIn )
-import Outputable ( ppr, pprPanic )
+
+import Array ( Array, array, (!) )
\end{code}
%************************************************************************
\begin{code}
wiredInThings :: [TyThing]
-wiredInThings
+wiredInThings
= concat
- [ -- Wired in TyCons
- map ATyCon ([funTyCon] ++ primTyCons ++ wiredInTyCons)
+ [ -- Wired in TyCons and their implicit Ids
+ tycon_things
+ , concatMap implicitTyThings tycon_things
-- Wired in Ids
, map AnId wiredInIds
-- PrimOps
, map (AnId . mkPrimOpId) allThePrimOps
]
-
-wiredInNames :: [Name]
-wiredInNames = [n | thing <- wiredInThings, n <- tyThingNames thing]
-
-tyThingNames :: TyThing -> [Name]
-tyThingNames (AClass cl) = pprPanic "tyThingNames" (ppr cl) -- Not used
-tyThingNames (AnId id) = [getName id]
-tyThingNames (ATyCon tc)
- = getName tc : [ getName n | dc <- tyConDataConsIfAvailable tc,
- n <- [dataConId dc, dataConWrapId dc] ]
- -- Synonyms return empty list of constructors
+ where
+ tycon_things = map ATyCon ([funTyCon] ++ primTyCons ++ wiredInTyCons)
\end{code}
We let a lot of "non-standard" values be visible, so that we can make
sense of them in interface pragmas. It's cool, though they all have
"non-standard" names, so they won't get past the parser in user code.
+%************************************************************************
+%* *
+ PrimOpIds
+%* *
+%************************************************************************
+
+\begin{code}
+primOpIds :: Array Int Id -- Indexed by PrimOp tag
+primOpIds = array (1,maxPrimOpTag) [ (primOpTag op, mkPrimOpId op)
+ | op <- allThePrimOps]
+
+primOpId :: PrimOp -> Id
+primOpId op = primOpIds ! primOpTag op
+\end{code}
+
%************************************************************************
%* *
-\subsection{RdrNames for the primops}
+\subsection{Export lists for pseudo-modules (GHC.Prim)}
%* *
%************************************************************************
-These can't be in PrelNames, because we get the RdrName from the PrimOp,
-which is above PrelNames in the module hierarchy.
+GHC.Prim "exports" all the primops and primitive types, some
+wired-in Ids.
\begin{code}
-eqH_Char_RDR = primOpRdrName CharEqOp
-ltH_Char_RDR = primOpRdrName CharLtOp
-eqH_Word_RDR = primOpRdrName WordEqOp
-ltH_Word_RDR = primOpRdrName WordLtOp
-eqH_Addr_RDR = primOpRdrName AddrEqOp
-ltH_Addr_RDR = primOpRdrName AddrLtOp
-eqH_Float_RDR = primOpRdrName FloatEqOp
-ltH_Float_RDR = primOpRdrName FloatLtOp
-eqH_Double_RDR = primOpRdrName DoubleEqOp
-ltH_Double_RDR = primOpRdrName DoubleLtOp
-eqH_Int_RDR = primOpRdrName IntEqOp
-ltH_Int_RDR = primOpRdrName IntLtOp
-geH_RDR = primOpRdrName IntGeOp
-leH_RDR = primOpRdrName IntLeOp
-minusH_RDR = primOpRdrName IntSubOp
-
-tagToEnumH_RDR = primOpRdrName TagToEnumOp
+ghcPrimExports :: [RdrAvailInfo]
+ghcPrimExports
+ = map (Avail . nameOccName . idName) ghcPrimIds ++
+ map (Avail . primOpOcc) allThePrimOps ++
+ [ AvailTC occ [occ] |
+ n <- funTyCon : primTyCons, let occ = nameOccName (tyConName n)
+ ]
\end{code}
%************************************************************************
\begin{code}
-isCcallishClass, isCreturnableClass, isNoDictClass,
- isNumericClass, isStandardClass :: Class -> Bool
+isNumericClass, isStandardClass :: Class -> Bool
isNumericClass clas = classKey clas `is_elem` numericClassKeys
isStandardClass clas = classKey clas `is_elem` standardClassKeys
-isCcallishClass clas = classKey clas `is_elem` cCallishClassKeys
-isCreturnableClass clas = classKey clas == cReturnableClassKey
-isNoDictClass clas = classKey clas `is_elem` noDictClassKeys
is_elem = isIn "is_X_Class"
\end{code}