module VectBuiltIn (
- Builtins(..), initBuiltins
+ Builtins(..), sumTyCon, prodTyCon,
+ initBuiltins, initBuiltinTyCons, initBuiltinPAs, initBuiltinPRs,
+
+ primMethod
) where
#include "HsVersions.h"
import DsMonad
+import IfaceEnv ( lookupOrig )
+import Module ( Module )
import DataCon ( DataCon )
-import TyCon ( TyCon, tyConDataCons )
+import TyCon ( TyCon, tyConName, tyConDataCons )
import Var ( Var )
import Id ( mkSysLocal )
+import Name ( Name, getOccString )
+import NameEnv
+import OccName
-import TysPrim ( intPrimTy )
+import TypeRep ( funTyCon )
+import TysPrim
+import TysWiredIn ( unitTyCon, tupleTyCon, intTyConName )
import PrelNames
+import BasicTypes ( Boxity(..) )
+
+import FastString
+import Outputable
+
+import Data.Array
+import Control.Monad ( liftM, zipWithM )
+
+mAX_NDP_PROD :: Int
+mAX_NDP_PROD = 3
-import Control.Monad ( liftM )
+mAX_NDP_SUM :: Int
+mAX_NDP_SUM = 3
data Builtins = Builtins {
parrayTyCon :: TyCon
, preprTyCon :: TyCon
, prTyCon :: TyCon
, prDataCon :: DataCon
- , embedTyCon :: TyCon
- , embedDataCon :: DataCon
- , crossTyCon :: TyCon
- , crossDataCon :: DataCon
- , plusTyCon :: TyCon
- , leftDataCon :: DataCon
- , rightDataCon :: DataCon
+ , uarrTyCon :: TyCon
+ , sumTyCons :: Array Int TyCon
, closureTyCon :: TyCon
+ , mkPRVar :: Var
, mkClosureVar :: Var
, applyClosureVar :: Var
, mkClosurePVar :: Var
, emptyPAVar :: Var
-- , packPAVar :: Var
-- , combinePAVar :: Var
- , intEqPAVar :: 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 >= 2 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
+ | otherwise = pprPanic "prodTyCon" (ppr n)
+
initBuiltins :: DsM Builtins
initBuiltins
= do
let [paDataCon] = tyConDataCons paTyCon
preprTyCon <- dsLookupTyCon preprTyConName
prTyCon <- dsLookupTyCon prTyConName
+ uarrTyCon <- dsLookupTyCon uarrTyConName
let [prDataCon] = tyConDataCons prTyCon
- embedTyCon <- dsLookupTyCon embedTyConName
- let [embedDataCon] = tyConDataCons embedTyCon
- crossTyCon <- dsLookupTyCon ndpCrossTyConName
- let [crossDataCon] = tyConDataCons crossTyCon
- plusTyCon <- dsLookupTyCon ndpPlusTyConName
- let [leftDataCon, rightDataCon] = tyConDataCons plusTyCon
closureTyCon <- dsLookupTyCon closureTyConName
+ sum_tcs <- mapM (lookupExternalTyCon nDP_REPR)
+ [mkFastString ("Sum" ++ show i) | i <- [2..mAX_NDP_SUM]]
+
+ let sumTyCons = listArray (2, mAX_NDP_SUM) sum_tcs
+
+ mkPRVar <- dsLookupGlobalId mkPRName
mkClosureVar <- dsLookupGlobalId mkClosureName
applyClosureVar <- dsLookupGlobalId applyClosureName
mkClosurePVar <- dsLookupGlobalId mkClosurePName
emptyPAVar <- dsLookupGlobalId emptyPAName
-- packPAVar <- dsLookupGlobalId packPAName
-- combinePAVar <- dsLookupGlobalId combinePAName
- intEqPAVar <- dsLookupGlobalId intEqPAName
liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
newUnique
, preprTyCon = preprTyCon
, prTyCon = prTyCon
, prDataCon = prDataCon
- , embedTyCon = embedTyCon
- , embedDataCon = embedDataCon
- , crossTyCon = crossTyCon
- , crossDataCon = crossDataCon
- , plusTyCon = plusTyCon
- , leftDataCon = leftDataCon
- , rightDataCon = rightDataCon
+ , uarrTyCon = uarrTyCon
+ , sumTyCons = sumTyCons
, closureTyCon = closureTyCon
+ , mkPRVar = mkPRVar
, mkClosureVar = mkClosureVar
, applyClosureVar = applyClosureVar
, mkClosurePVar = mkClosurePVar
, emptyPAVar = emptyPAVar
-- , packPAVar = packPAVar
-- , combinePAVar = combinePAVar
- , intEqPAVar = intEqPAVar
, liftingContext = liftingContext
}
+initBuiltinTyCons :: DsM [(Name, TyCon)]
+initBuiltinTyCons
+ = do
+ vects <- sequence vs
+ return (zip origs vects)
+ where
+ (origs, vs) = unzip builtinTyCons
+
+builtinTyCons :: [(Name, DsM TyCon)]
+builtinTyCons = [(tyConName funTyCon, dsLookupTyCon closureTyConName)]
+
+initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)]
+initBuiltinDicts ps
+ = do
+ dicts <- zipWithM lookupExternalVar mods fss
+ return $ zip tcs dicts
+ where
+ (tcs, mods, fss) = unzip3 ps
+
+initBuiltinPAs = initBuiltinDicts builtinPAs
+
+builtinPAs :: [(Name, Module, FastString)]
+builtinPAs = [
+ mk closureTyConName nDP_CLOSURE FSLIT("dPA_Clo")
+ , 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 closureTyConName 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))
+
+lookupExternalVar :: Module -> FastString -> DsM Var
+lookupExternalVar mod fs
+ = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
+
+lookupExternalTyCon :: Module -> FastString -> DsM TyCon
+lookupExternalTyCon 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
+prim_ty_cons = mkNameEnv [mk_prim intPrimTyCon]
+ where
+ mk_prim tycon = (tyConName tycon, '_' : getOccString tycon)
projects / ghc-hetmet.git / blobdiff