Scope(..),
VM,
- noV, tryV, maybeV, orElseV, fixV, localV, closedV, initV,
- cloneName, newExportedVar, newLocalVar, newDummyVar, newTyVar,
+ noV, tryV, maybeV, traceMaybeV, orElseV, fixV, localV, closedV, initV,
+ liftDs,
+ cloneName, cloneId,
+ newExportedVar, newLocalVar, newDummyVar, newTyVar,
- Builtins(..), paDictTyCon, paDictDataCon,
+ Builtins(..),
builtin,
GlobalEnv(..),
- setInstEnvs,
+ setFamInstEnv,
readGEnv, setGEnv, updGEnv,
LocalEnv(..),
lookupVar, defGlobalVar,
lookupTyCon, defTyCon,
lookupDataCon, defDataCon,
+ lookupTyConPA, defTyConPA, defTyConPAs, defTyConBuiltinPAs,
lookupTyVarPA, defLocalTyVar, defLocalTyVarWithPA, localTyVars,
- lookupInst, lookupFamInst
+ {-lookupInst,-} lookupFamInst
) where
#include "HsVersions.h"
import HscTypes
import CoreSyn
-import Class
import TyCon
import DataCon
import Type
import Name
import NameEnv
import TysPrim ( intPrimTy )
+import Module
+import IfaceEnv
import DsMonad
import PrelNames
import FastString
import SrcLoc ( noSrcSpan )
-import Control.Monad ( liftM )
+import Control.Monad ( liftM, zipWithM )
data Scope a b = Global a | Local b
data Builtins = Builtins {
parrayTyCon :: TyCon
- , paClass :: Class
+ , paTyCon :: TyCon
+ , paDataCon :: DataCon
+ , preprTyCon :: TyCon
+ , embedTyCon :: TyCon
+ , embedDataCon :: DataCon
+ , crossTyCon :: TyCon
+ , crossDataCon :: DataCon
+ , plusTyCon :: TyCon
+ , leftDataCon :: DataCon
+ , rightDataCon :: DataCon
, closureTyCon :: TyCon
, mkClosureVar :: Var
, applyClosureVar :: Var
, lengthPAVar :: Var
, replicatePAVar :: Var
, emptyPAVar :: Var
+ -- , packPAVar :: Var
+ -- , combinePAVar :: Var
+ , intEqPAVar :: Var
, liftingContext :: Var
}
-paDictTyCon :: Builtins -> TyCon
-paDictTyCon = classTyCon . paClass
-
-paDictDataCon :: Builtins -> DataCon
-paDictDataCon = classDataCon . paClass
-
initBuiltins :: DsM Builtins
initBuiltins
= do
parrayTyCon <- dsLookupTyCon parrayTyConName
- paClass <- dsLookupClass paClassName
+ paTyCon <- dsLookupTyCon paTyConName
+ let [paDataCon] = tyConDataCons paTyCon
+ preprTyCon <- dsLookupTyCon preprTyConName
+ embedTyCon <- dsLookupTyCon embedTyConName
+ let [embedDataCon] = tyConDataCons embedTyCon
+ crossTyCon <- dsLookupTyCon crossTyConName
+ let [crossDataCon] = tyConDataCons crossTyCon
+ plusTyCon <- dsLookupTyCon plusTyConName
+ let [leftDataCon, rightDataCon] = tyConDataCons plusTyCon
closureTyCon <- dsLookupTyCon closureTyConName
mkClosureVar <- dsLookupGlobalId mkClosureName
lengthPAVar <- dsLookupGlobalId lengthPAName
replicatePAVar <- dsLookupGlobalId replicatePAName
emptyPAVar <- dsLookupGlobalId emptyPAName
+ -- packPAVar <- dsLookupGlobalId packPAName
+ -- combinePAVar <- dsLookupGlobalId combinePAName
+ intEqPAVar <- dsLookupGlobalId intEqPAName
liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
newUnique
return $ Builtins {
parrayTyCon = parrayTyCon
- , paClass = paClass
+ , paTyCon = paTyCon
+ , paDataCon = paDataCon
+ , preprTyCon = preprTyCon
+ , embedTyCon = embedTyCon
+ , embedDataCon = embedDataCon
+ , crossTyCon = crossTyCon
+ , crossDataCon = crossDataCon
+ , plusTyCon = plusTyCon
+ , leftDataCon = leftDataCon
+ , rightDataCon = rightDataCon
, closureTyCon = closureTyCon
, mkClosureVar = mkClosureVar
, applyClosureVar = applyClosureVar
, lengthPAVar = lengthPAVar
, replicatePAVar = replicatePAVar
, emptyPAVar = emptyPAVar
+ -- , packPAVar = packPAVar
+ -- , combinePAVar = combinePAVar
+ , intEqPAVar = intEqPAVar
, liftingContext = liftingContext
}
--
, global_datacons :: NameEnv DataCon
+ -- Mapping from TyCons to their PA dfuns
+ --
+ , global_pa_funs :: NameEnv Var
+
-- External package inst-env & home-package inst-env for class
-- instances
--
}
-initGlobalEnv :: VectInfo -> (InstEnv, InstEnv) -> FamInstEnvs -> Builtins -> GlobalEnv
+initGlobalEnv :: VectInfo -> (InstEnv, InstEnv) -> FamInstEnvs -> Builtins
+ -> GlobalEnv
initGlobalEnv info instEnvs famInstEnvs bi
= GlobalEnv {
global_vars = mapVarEnv snd $ vectInfoVar info
(tyConName funTyCon) (closureTyCon bi)
, global_datacons = mapNameEnv snd $ vectInfoDataCon info
+ , global_pa_funs = mapNameEnv snd $ vectInfoPADFun info
, global_inst_env = instEnvs
, global_fam_inst_env = famInstEnvs
, global_bindings = []
}
-setInstEnvs :: InstEnv -> FamInstEnv -> GlobalEnv -> GlobalEnv
-setInstEnvs l_inst l_fam_inst genv
- | (g_inst, _) <- global_inst_env genv
- , (g_fam_inst, _) <- global_fam_inst_env genv
- = genv { global_inst_env = (g_inst, l_inst)
- , global_fam_inst_env = (g_fam_inst, l_fam_inst) }
+setFamInstEnv :: FamInstEnv -> GlobalEnv -> GlobalEnv
+setFamInstEnv l_fam_inst genv
+ = genv { global_fam_inst_env = (g_fam_inst, l_fam_inst) }
+ where
+ (g_fam_inst, _) = global_fam_inst_env genv
emptyLocalEnv = LocalEnv {
local_vars = emptyVarEnv
vectInfoVar = global_exported_vars env
, vectInfoTyCon = mk_env typeEnvTyCons global_tycons
, vectInfoDataCon = mk_env typeEnvDataCons global_datacons
+ , vectInfoPADFun = mk_env typeEnvTyCons global_pa_funs
}
where
mk_env from_tyenv from_env = mkNameEnv [(name, (from,to))
= do updLEnv $ \env -> env { local_bind_name = occNameFS (getOccName id) }
p
+lookupExternalVar :: Module -> FastString -> VM Var
+lookupExternalVar mod fs
+ = liftDs
+ $ dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
+
cloneName :: (OccName -> OccName) -> Name -> VM Name
cloneName mk_occ name = liftM make (liftDs newUnique)
where
(nameSrcSpan name)
| otherwise = mkSystemName u occ_name
+cloneId :: (OccName -> OccName) -> Id -> Type -> VM Id
+cloneId mk_occ id ty
+ = do
+ name <- cloneName mk_occ (getName id)
+ let id' | isExportedId id = Id.mkExportedLocalId name ty
+ | otherwise = Id.mkLocalId name ty
+ return id'
+
newExportedVar :: OccName -> Type -> VM Var
newExportedVar occ_name ty
= do
defDataCon dc dc' = updGEnv $ \env ->
env { global_datacons = extendNameEnv (global_datacons env) (dataConName dc) dc' }
+lookupTyConPA :: TyCon -> VM (Maybe Var)
+lookupTyConPA tc = readGEnv $ \env -> lookupNameEnv (global_pa_funs env) (tyConName tc)
+
+defTyConPA :: TyCon -> Var -> VM ()
+defTyConPA tc pa = updGEnv $ \env ->
+ env { global_pa_funs = extendNameEnv (global_pa_funs env) (tyConName tc) pa }
+
+defTyConPAs :: [(TyCon, Var)] -> VM ()
+defTyConPAs ps = updGEnv $ \env ->
+ env { global_pa_funs = extendNameEnvList (global_pa_funs env)
+ [(tyConName tc, pa) | (tc, pa) <- ps] }
+
+defTyConBuiltinPAs :: [(Name, Module, FastString)] -> VM ()
+defTyConBuiltinPAs ps
+ = do
+ pas <- zipWithM lookupExternalVar mods fss
+ updGEnv $ \env ->
+ env { global_pa_funs = extendNameEnvList (global_pa_funs env)
+ (zip tcs pas) }
+ where
+ (tcs, mods, fss) = unzip3 ps
+
lookupTyVarPA :: Var -> VM (Maybe CoreExpr)
lookupTyVarPA tv = readLEnv $ \env -> lookupVarEnv (local_tyvar_pa env) tv
-- instances head (i.e., no flexi vars); for details for what this means,
-- see the docs at InstEnv.lookupInstEnv.
--
+{-
lookupInst :: Class -> [Type] -> VM (DFunId, [Type])
lookupInst cls tys
= do { instEnv <- getInstEnv
where
isRight (Left _) = False
isRight (Right _) = True
+-}
-- Look up the representation tycon of a family instance.
--
go instEnvs famInstEnvs =
do
builtins <- initBuiltins
- r <- runVM p builtins (initGlobalEnv info instEnvs famInstEnvs builtins)
+ r <- runVM p builtins (initGlobalEnv info
+ instEnvs
+ famInstEnvs
+ builtins)
emptyLocalEnv
case r of
Yes genv _ x -> return $ Just (new_info genv, x)
projects / ghc-hetmet.git / blobdiff