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-rw-r--r--compiler/deSugar/DsMonad.lhs22
1 files changed, 17 insertions, 5 deletions
diff --git a/compiler/deSugar/DsMonad.lhs b/compiler/deSugar/DsMonad.lhs
index c017a7cc01..ea4f581880 100644
--- a/compiler/deSugar/DsMonad.lhs
+++ b/compiler/deSugar/DsMonad.lhs
@@ -21,7 +21,7 @@ module DsMonad (
mkPrintUnqualifiedDs,
newUnique,
UniqSupply, newUniqueSupply,
- getGhcModeDs, dsGetFamInstEnvs,
+ getGhcModeDs, dsGetFamInstEnvs, dsGetStaticBindsVar,
dsLookupGlobal, dsLookupGlobalId, dsDPHBuiltin, dsLookupTyCon, dsLookupDataCon,
PArrBuiltin(..),
@@ -167,6 +167,8 @@ data DsGblEnv
-- exported entities of 'Data.Array.Parallel' iff
-- '-XParallelArrays' was given; otherwise, empty
, ds_parr_bi :: PArrBuiltin -- desugarar names for '-XParallelArrays'
+ , ds_static_binds :: IORef [(Id,CoreExpr)]
+ -- ^ Bindings resulted from floating static forms
}
instance ContainsModule DsGblEnv where
@@ -197,8 +199,11 @@ initDs :: HscEnv
initDs hsc_env mod rdr_env type_env fam_inst_env thing_inside
= do { msg_var <- newIORef (emptyBag, emptyBag)
+ ; static_binds_var <- newIORef []
; let dflags = hsc_dflags hsc_env
- (ds_gbl_env, ds_lcl_env) = mkDsEnvs dflags mod rdr_env type_env fam_inst_env msg_var
+ (ds_gbl_env, ds_lcl_env) = mkDsEnvs dflags mod rdr_env type_env
+ fam_inst_env msg_var
+ static_binds_var
; either_res <- initTcRnIf 'd' hsc_env ds_gbl_env ds_lcl_env $
loadDAP $
@@ -276,12 +281,15 @@ initDsTc thing_inside
; let type_env = tcg_type_env tcg_env
rdr_env = tcg_rdr_env tcg_env
fam_inst_env = tcg_fam_inst_env tcg_env
- ds_envs = mkDsEnvs dflags this_mod rdr_env type_env fam_inst_env msg_var
+ static_binds_var = tcg_static_binds tcg_env
+ ds_envs = mkDsEnvs dflags this_mod rdr_env type_env fam_inst_env
+ msg_var static_binds_var
; setEnvs ds_envs thing_inside
}
-mkDsEnvs :: DynFlags -> Module -> GlobalRdrEnv -> TypeEnv -> FamInstEnv -> IORef Messages -> (DsGblEnv, DsLclEnv)
-mkDsEnvs dflags mod rdr_env type_env fam_inst_env msg_var
+mkDsEnvs :: DynFlags -> Module -> GlobalRdrEnv -> TypeEnv -> FamInstEnv
+ -> IORef Messages -> IORef [(Id, CoreExpr)] -> (DsGblEnv, DsLclEnv)
+mkDsEnvs dflags mod rdr_env type_env fam_inst_env msg_var static_binds_var
= let if_genv = IfGblEnv { if_rec_types = Just (mod, return type_env) }
if_lenv = mkIfLclEnv mod (ptext (sLit "GHC error in desugarer lookup in") <+> ppr mod)
gbl_env = DsGblEnv { ds_mod = mod
@@ -291,6 +299,7 @@ mkDsEnvs dflags mod rdr_env type_env fam_inst_env msg_var
, ds_msgs = msg_var
, ds_dph_env = emptyGlobalRdrEnv
, ds_parr_bi = panic "DsMonad: uninitialised ds_parr_bi"
+ , ds_static_binds = static_binds_var
}
lcl_env = DsLclEnv { ds_meta = emptyNameEnv
, ds_loc = noSrcSpan
@@ -496,6 +505,9 @@ dsLookupMetaEnv name = do { env <- getLclEnv; return (lookupNameEnv (ds_meta env
dsExtendMetaEnv :: DsMetaEnv -> DsM a -> DsM a
dsExtendMetaEnv menv thing_inside
= updLclEnv (\env -> env { ds_meta = ds_meta env `plusNameEnv` menv }) thing_inside
+
+dsGetStaticBindsVar :: DsM (IORef [(Id,CoreExpr)])
+dsGetStaticBindsVar = fmap ds_static_binds getGblEnv
\end{code}
\begin{code}