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|
{-# OPTIONS -w #-}
-- The above warning supression flag is a temporary kludge.
-- While working on this module you are encouraged to remove it and fix
-- any warnings in the module. See
-- http://hackage.haskell.org/trac/ghc/wiki/CodingStyle#Warnings
-- for details
module VectBuiltIn (
Builtins(..), sumTyCon, prodTyCon,
initBuiltins, initBuiltinTyCons, initBuiltinPAs, initBuiltinPRs,
primMethod, primPArray
) where
#include "HsVersions.h"
import DsMonad
import IfaceEnv ( lookupOrig )
import Module ( Module )
import DataCon ( DataCon )
import TyCon ( TyCon, tyConName, tyConDataCons )
import Var ( Var )
import Id ( mkSysLocal )
import Name ( Name, getOccString )
import NameEnv
import OccName
import TypeRep ( funTyCon )
import Type ( Type )
import TysPrim
import TysWiredIn ( unitTyCon, tupleTyCon, intTyConName )
import Module ( Module, mkModule, mkModuleNameFS )
import PackageConfig ( ndpPackageId )
import BasicTypes ( Boxity(..) )
import FastString
import Outputable
import Data.Array
import Control.Monad ( liftM, zipWithM )
mAX_NDP_PROD :: Int
mAX_NDP_PROD = 3
mAX_NDP_SUM :: Int
mAX_NDP_SUM = 3
mkNDPModule :: FastString -> Module
mkNDPModule m = mkModule ndpPackageId (mkModuleNameFS m)
nDP_PARRAY = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.PArray")
nDP_REPR = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Repr")
nDP_CLOSURE = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Closure")
nDP_PRIM = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Prim")
nDP_INSTANCES = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Instances")
data Builtins = Builtins {
parrayTyCon :: TyCon
, paTyCon :: TyCon
, paDataCon :: DataCon
, preprTyCon :: TyCon
, prTyCon :: TyCon
, prDataCon :: DataCon
, parrayIntPrimTyCon :: TyCon
, voidTyCon :: TyCon
, wrapTyCon :: TyCon
, sumTyCons :: Array Int TyCon
, closureTyCon :: TyCon
, voidVar :: Var
, mkPRVar :: Var
, mkClosureVar :: Var
, applyClosureVar :: Var
, mkClosurePVar :: Var
, applyClosurePVar :: Var
, replicatePAIntPrimVar :: Var
, upToPAIntPrimVar :: Var
, lengthPAVar :: Var
, replicatePAVar :: Var
, emptyPAVar :: Var
-- , packPAVar :: Var
-- , combinePAVar :: Var
, liftingContext :: Var
}
sumTyCon :: Int -> Builtins -> TyCon
sumTyCon n bi
| n >= 2 && n <= mAX_NDP_SUM = sumTyCons bi ! n
| otherwise = pprPanic "sumTyCon" (ppr n)
prodTyCon :: Int -> Builtins -> TyCon
prodTyCon n bi
| n == 1 = wrapTyCon bi
| n >= 0 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
| otherwise = pprPanic "prodTyCon" (ppr n)
initBuiltins :: DsM Builtins
initBuiltins
= do
parrayTyCon <- externalTyCon nDP_PARRAY FSLIT("PArray")
paTyCon <- externalTyCon nDP_PARRAY FSLIT("PA")
let [paDataCon] = tyConDataCons paTyCon
preprTyCon <- externalTyCon nDP_PARRAY FSLIT("PRepr")
prTyCon <- externalTyCon nDP_PARRAY FSLIT("PR")
let [prDataCon] = tyConDataCons prTyCon
parrayIntPrimTyCon <- externalTyCon nDP_PRIM FSLIT("PArray_Int#")
closureTyCon <- externalTyCon nDP_CLOSURE FSLIT(":->")
voidTyCon <- externalTyCon nDP_REPR FSLIT("Void")
wrapTyCon <- externalTyCon nDP_REPR FSLIT("Wrap")
sum_tcs <- mapM (externalTyCon nDP_REPR)
[mkFastString ("Sum" ++ show i) | i <- [2..mAX_NDP_SUM]]
let sumTyCons = listArray (2, mAX_NDP_SUM) sum_tcs
voidVar <- externalVar nDP_REPR FSLIT("void")
mkPRVar <- externalVar nDP_PARRAY FSLIT("mkPR")
mkClosureVar <- externalVar nDP_CLOSURE FSLIT("mkClosure")
applyClosureVar <- externalVar nDP_CLOSURE FSLIT("$:")
mkClosurePVar <- externalVar nDP_CLOSURE FSLIT("mkClosureP")
applyClosurePVar <- externalVar nDP_CLOSURE FSLIT("$:^")
replicatePAIntPrimVar <- externalVar nDP_PRIM FSLIT("replicatePA_Int#")
upToPAIntPrimVar <- externalVar nDP_PRIM FSLIT("upToPA_Int#")
lengthPAVar <- externalVar nDP_PARRAY FSLIT("lengthPA")
replicatePAVar <- externalVar nDP_PARRAY FSLIT("replicatePA")
emptyPAVar <- externalVar nDP_PARRAY FSLIT("emptyPA")
-- packPAVar <- dsLookupGlobalId packPAName
-- combinePAVar <- dsLookupGlobalId combinePAName
liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
newUnique
return $ Builtins {
parrayTyCon = parrayTyCon
, paTyCon = paTyCon
, paDataCon = paDataCon
, preprTyCon = preprTyCon
, prTyCon = prTyCon
, prDataCon = prDataCon
, parrayIntPrimTyCon = parrayIntPrimTyCon
, voidTyCon = voidTyCon
, wrapTyCon = wrapTyCon
, sumTyCons = sumTyCons
, closureTyCon = closureTyCon
, voidVar = voidVar
, mkPRVar = mkPRVar
, mkClosureVar = mkClosureVar
, applyClosureVar = applyClosureVar
, mkClosurePVar = mkClosurePVar
, applyClosurePVar = applyClosurePVar
, replicatePAIntPrimVar = replicatePAIntPrimVar
, upToPAIntPrimVar = upToPAIntPrimVar
, lengthPAVar = lengthPAVar
, replicatePAVar = replicatePAVar
, emptyPAVar = emptyPAVar
-- , packPAVar = packPAVar
-- , combinePAVar = combinePAVar
, liftingContext = liftingContext
}
initBuiltinTyCons :: Builtins -> [(Name, TyCon)]
initBuiltinTyCons bi = [(tyConName funTyCon, closureTyCon bi)]
initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)]
initBuiltinDicts ps
= do
dicts <- zipWithM externalVar mods fss
return $ zip tcs dicts
where
(tcs, mods, fss) = unzip3 ps
initBuiltinPAs = initBuiltinDicts . builtinPAs
builtinPAs :: Builtins -> [(Name, Module, FastString)]
builtinPAs bi
= [
mk (tyConName $ closureTyCon bi) nDP_CLOSURE FSLIT("dPA_Clo")
, mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPA_Void")
, mk unitTyConName nDP_INSTANCES FSLIT("dPA_Unit")
, mk intTyConName nDP_INSTANCES FSLIT("dPA_Int")
]
++ tups
where
mk name mod fs = (name, mod, fs)
tups = map mk_tup [2..3]
mk_tup n = mk (tyConName $ tupleTyCon Boxed n)
nDP_INSTANCES
(mkFastString $ "dPA_" ++ show n)
initBuiltinPRs = initBuiltinDicts . builtinPRs
builtinPRs :: Builtins -> [(Name, Module, FastString)]
builtinPRs bi =
[
mk (tyConName unitTyCon) nDP_REPR FSLIT("dPR_Unit")
, mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPR_Void")
, mk (tyConName $ wrapTyCon bi) nDP_REPR FSLIT("dPR_Wrap")
, mk (tyConName $ closureTyCon bi) nDP_CLOSURE FSLIT("dPR_Clo")
-- temporary
, mk intTyConName nDP_INSTANCES FSLIT("dPR_Int")
]
++ map mk_sum [2..mAX_NDP_SUM]
++ map mk_prod [2..mAX_NDP_PROD]
where
mk name mod fs = (name, mod, fs)
mk_sum n = (tyConName $ sumTyCon n bi, nDP_REPR,
mkFastString ("dPR_Sum" ++ show n))
mk_prod n = (tyConName $ prodTyCon n bi, nDP_REPR,
mkFastString ("dPR_" ++ show n))
externalVar :: Module -> FastString -> DsM Var
externalVar mod fs
= dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
externalTyCon :: Module -> FastString -> DsM TyCon
externalTyCon mod fs
= dsLookupTyCon =<< lookupOrig mod (mkOccNameFS tcName fs)
unitTyConName = tyConName unitTyCon
primMethod :: TyCon -> String -> DsM (Maybe Var)
primMethod tycon method
| Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
= liftM Just
$ dsLookupGlobalId =<< lookupOrig nDP_PRIM (mkVarOcc $ method ++ suffix)
| otherwise = return Nothing
primPArray :: TyCon -> DsM (Maybe TyCon)
primPArray tycon
| Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
= liftM Just
$ dsLookupTyCon =<< lookupOrig nDP_PRIM (mkOccName tcName $ "PArray" ++ suffix)
| otherwise = return Nothing
prim_ty_cons = mkNameEnv [mk_prim intPrimTyCon]
where
mk_prim tycon = (tyConName tycon, '_' : getOccString tycon)
|
