diff options
Diffstat (limited to 'compiler/deSugar/DsMonad.hs')
| -rw-r--r-- | compiler/deSugar/DsMonad.hs | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/compiler/deSugar/DsMonad.hs b/compiler/deSugar/DsMonad.hs index 9c987a24b6..7c5619982e 100644 --- a/compiler/deSugar/DsMonad.hs +++ b/compiler/deSugar/DsMonad.hs @@ -21,7 +21,7 @@ module DsMonad ( mkPrintUnqualifiedDs, newUnique, UniqSupply, newUniqueSupply, - getGhcModeDs, dsGetFamInstEnvs, + getGhcModeDs, dsGetFamInstEnvs, dsGetStaticBindsVar, dsLookupGlobal, dsLookupGlobalId, dsDPHBuiltin, dsLookupTyCon, dsLookupDataCon, PArrBuiltin(..), @@ -67,6 +67,7 @@ import Maybes import Data.IORef import Control.Monad +import GHC.Fingerprint {- ************************************************************************ @@ -166,6 +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 [(Fingerprint, (Id,CoreExpr))] + -- ^ Bindings resulted from floating static forms } instance ContainsModule DsGblEnv where @@ -196,8 +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 $ @@ -272,15 +278,19 @@ initDsTc thing_inside ; tcg_env <- getGblEnv ; msg_var <- getErrsVar ; dflags <- getDynFlags + ; static_binds_var <- liftIO $ newIORef [] ; 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 + 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 [(Fingerprint, (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 @@ -290,6 +300,7 @@ 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 @@ -487,6 +498,10 @@ dsExtendMetaEnv :: DsMetaEnv -> DsM a -> DsM a dsExtendMetaEnv menv thing_inside = updLclEnv (\env -> env { ds_meta = ds_meta env `plusNameEnv` menv }) thing_inside +-- | Gets a reference to the SPT entries created so far. +dsGetStaticBindsVar :: DsM (IORef [(Fingerprint, (Id,CoreExpr))]) +dsGetStaticBindsVar = fmap ds_static_binds getGblEnv + discardWarningsDs :: DsM a -> DsM a -- Ignore warnings inside the thing inside; -- used to ignore inaccessable cases etc. inside generated code |