-module VectType ( vectTyCon, vectType )
+module VectType ( vectTyCon, vectType, vectTypeEnv )
where
#include "HsVersions.h"
import VectMonad
import VectUtils
+import HscTypes ( TypeEnv, extendTypeEnvList, typeEnvTyCons )
import DataCon
import TyCon
import Type
import TypeRep
+import Coercion
+import FamInstEnv ( FamInst, mkLocalFamInst )
+import InstEnv ( Instance )
import OccName
import MkId
import BasicTypes ( StrictnessMark(..), boolToRecFlag )
+import Name ( Name )
+import NameEnv
+import TysWiredIn ( intTy )
+import Unique
import UniqFM
import UniqSet
import Digraph ( SCC(..), stronglyConnComp )
import Outputable
-import Control.Monad ( liftM2, zipWithM_ )
+import Control.Monad ( liftM2, zipWithM, zipWithM_ )
-- ----------------------------------------------------------------------------
-- Types
type TyConGroup = ([TyCon], UniqSet TyCon)
+vectTypeEnv :: TypeEnv -> VM (TypeEnv, [FamInst], [Instance])
+vectTypeEnv env
+ = do
+ cs <- readGEnv $ mk_map . global_tycons
+ let (conv_tcs, keep_tcs) = classifyTyCons cs groups
+ keep_dcs = concatMap tyConDataCons keep_tcs
+ zipWithM_ defTyCon keep_tcs keep_tcs
+ zipWithM_ defDataCon keep_dcs keep_dcs
+ vect_tcs <- vectTyConDecls conv_tcs
+ parr_tcs1 <- zipWithM buildPArrayTyCon keep_tcs keep_tcs
+ parr_tcs2 <- zipWithM buildPArrayTyCon conv_tcs vect_tcs
+ let new_tcs = vect_tcs ++ parr_tcs1 ++ parr_tcs2
+
+ let new_env = extendTypeEnvList env
+ (map ATyCon new_tcs
+ ++ [ADataCon dc | tc <- new_tcs
+ , dc <- tyConDataCons tc])
+
+ return (new_env, map mkLocalFamInst (parr_tcs1 ++ parr_tcs2), [])
+ where
+ tycons = typeEnvTyCons env
+ groups = tyConGroups tycons
+
+ mk_map env = listToUFM_Directly [(u, getUnique n /= u) | (u,n) <- nameEnvUniqueElts env]
+
+ keep_tc tc = let dcs = tyConDataCons tc
+ in
+ defTyCon tc tc >> zipWithM_ defDataCon dcs dcs
+
+
vectTyConDecls :: [TyCon] -> VM [TyCon]
vectTyConDecls tcs = fixV $ \tcs' ->
do
arg_tys <- mapM vectType rep_arg_tys
wrk_name <- cloneName mkDataConWorkerOcc name'
- let ids = mkDataConIds (panic "vectDataCon: wrapped id")
+ let ids = mkDataConIds (panic "vectDataCon: wrapper id")
wrk_name
data_con
data_con = mkDataCon name'
where
name = dataConName dc
univ_tvs = dataConUnivTyVars dc
- rep_arg_tys = dataConOrigArgTys dc
+ rep_arg_tys = dataConRepArgTys dc
tycon = dataConTyCon dc
+buildPArrayTyCon :: TyCon -> TyCon -> VM TyCon
+buildPArrayTyCon orig_tc vect_tc = fixV $ \repr_tc ->
+ do
+ name' <- cloneName mkPArrayTyConOcc orig_name
+ parent <- buildPArrayParentInfo orig_name vect_tc repr_tc
+ rhs <- buildPArrayTyConRhs orig_name vect_tc repr_tc
+
+ return $ mkAlgTyCon name'
+ kind
+ tyvars
+ [] -- no stupid theta
+ rhs
+ [] -- no selector ids
+ parent
+ rec_flag -- FIXME: is this ok?
+ False -- FIXME: no generics
+ False -- not GADT syntax
+ where
+ orig_name = tyConName orig_tc
+ name = tyConName vect_tc
+ kind = tyConKind vect_tc
+ tyvars = tyConTyVars vect_tc
+ rec_flag = boolToRecFlag (isRecursiveTyCon vect_tc)
+
+
+buildPArrayParentInfo :: Name -> TyCon -> TyCon -> VM TyConParent
+buildPArrayParentInfo orig_name vect_tc repr_tc
+ = do
+ parray_tc <- builtin parrayTyCon
+ co_name <- cloneName mkInstTyCoOcc (tyConName repr_tc)
+
+ let inst_tys = [mkTyConApp vect_tc (map mkTyVarTy tyvars)]
+
+ return . FamilyTyCon parray_tc inst_tys
+ $ mkFamInstCoercion co_name
+ tyvars
+ parray_tc
+ inst_tys
+ repr_tc
+ where
+ tyvars = tyConTyVars vect_tc
+
+buildPArrayTyConRhs :: Name -> TyCon -> TyCon -> VM AlgTyConRhs
+buildPArrayTyConRhs orig_name vect_tc repr_tc
+ = do
+ data_con <- buildPArrayDataCon orig_name vect_tc repr_tc
+ return $ DataTyCon { data_cons = [data_con], is_enum = False }
+
+buildPArrayDataCon :: Name -> TyCon -> TyCon -> VM DataCon
+buildPArrayDataCon orig_name vect_tc repr_tc
+ = do
+ dc_name <- cloneName mkPArrayDataConOcc orig_name
+ shape_ty <- mkPArrayType intTy -- FIXME: we want to unbox this!
+ repr_tys <- mapM mkPArrayType types
+ wrk_name <- cloneName mkDataConWorkerOcc dc_name
+ wrp_name <- cloneName mkDataConWrapperOcc dc_name
+
+ let ids = mkDataConIds wrp_name wrk_name data_con
+ data_con = mkDataCon dc_name
+ False
+ (MarkedStrict : map (const NotMarkedStrict) repr_tys)
+ []
+ (tyConTyVars vect_tc)
+ []
+ []
+ []
+ (shape_ty : repr_tys)
+ repr_tc
+ []
+ ids
+
+ return data_con
+ where
+ types = [ty | dc <- tyConDataCons vect_tc
+ , ty <- dataConRepArgTys dc]
+
-- | Split the given tycons into two sets depending on whether they have to be
-- converted (first list) or not (second list). The first argument contains
-- information about the conversion status of external tycons:
tyConsOfType ty
| Just ty' <- coreView ty = tyConsOfType ty'
tyConsOfType (TyVarTy v) = emptyUniqSet
-tyConsOfType (TyConApp tc tys) = tyConsOfTypes tys `addOneToUniqSet` tc
+tyConsOfType (TyConApp tc tys) = extend (tyConsOfTypes tys)
+ where
+ extend | isUnLiftedTyCon tc
+ || isTupleTyCon tc = id
+
+ | otherwise = (`addOneToUniqSet` tc)
+
tyConsOfType (AppTy a b) = tyConsOfType a `unionUniqSets` tyConsOfType b
tyConsOfType (FunTy a b) = (tyConsOfType a `unionUniqSets` tyConsOfType b)
`addOneToUniqSet` funTyCon
projects / ghc-hetmet.git / blobdiff