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-rw-r--r--compiler/GHC/Rename/Names.hs7
-rw-r--r--compiler/GHC/Runtime/Context.hs2
-rw-r--r--compiler/GHC/Types/Name/Reader.hs25
-rw-r--r--compiler/GHC/Types/TyThing.hs2
4 files changed, 18 insertions, 18 deletions
diff --git a/compiler/GHC/Rename/Names.hs b/compiler/GHC/Rename/Names.hs
index 6dff5b195e..92e1309bd6 100644
--- a/compiler/GHC/Rename/Names.hs
+++ b/compiler/GHC/Rename/Names.hs
@@ -624,7 +624,8 @@ extendGlobalRdrEnvRn avails new_fixities
| otherwise = rdr_env
lcl_env3 = lcl_env2 { tcl_th_bndrs = extendNameEnvList th_bndrs
- [ (n, (TopLevel, th_lvl))
+ [ ( greNameMangledName n
+ , (TopLevel, th_lvl) )
| n <- new_names ] }
; rdr_env2 <- foldlM add_gre rdr_env1 new_gres
@@ -635,8 +636,8 @@ extendGlobalRdrEnvRn avails new_fixities
; traceRn "extendGlobalRdrEnvRn 2" (pprGlobalRdrEnv True rdr_env2)
; return (gbl_env', lcl_env3) }
where
- new_names = concatMap availNames avails
- new_occs = map nameOccName new_names
+ new_names = concatMap availGreNames avails
+ new_occs = map occName new_names
-- If there is a fixity decl for the gre, add it to the fixity env
extend_fix_env fix_env gre
diff --git a/compiler/GHC/Runtime/Context.hs b/compiler/GHC/Runtime/Context.hs
index 243624553d..6b4a4d0624 100644
--- a/compiler/GHC/Runtime/Context.hs
+++ b/compiler/GHC/Runtime/Context.hs
@@ -367,7 +367,7 @@ icExtendGblRdrEnv env tythings
| otherwise
= foldl' extendGlobalRdrEnv env1 (concatMap localGREsFromAvail avail)
where
- env1 = shadowNames env (concatMap availNames avail)
+ env1 = shadowNames env (concatMap availGreNames avail)
avail = tyThingAvailInfo thing
-- Ugh! The new_tythings may include record selectors, since they
diff --git a/compiler/GHC/Types/Name/Reader.hs b/compiler/GHC/Types/Name/Reader.hs
index 6eb81653a5..a4ec4bea8d 100644
--- a/compiler/GHC/Types/Name/Reader.hs
+++ b/compiler/GHC/Types/Name/Reader.hs
@@ -1068,7 +1068,7 @@ extendGlobalRdrEnv env gre
= extendOccEnv_Acc insertGRE Utils.singleton env
(greOccName gre) gre
-shadowNames :: GlobalRdrEnv -> [Name] -> GlobalRdrEnv
+shadowNames :: GlobalRdrEnv -> [GreName] -> GlobalRdrEnv
shadowNames = foldl' shadowName
{- Note [GlobalRdrEnv shadowing]
@@ -1144,22 +1144,21 @@ There are two reasons for shadowing:
At that stage, the class op 'f' will have an Internal name.
-}
-shadowName :: GlobalRdrEnv -> Name -> GlobalRdrEnv
+shadowName :: GlobalRdrEnv -> GreName -> GlobalRdrEnv
-- Remove certain old GREs that share the same OccName as this new Name.
-- See Note [GlobalRdrEnv shadowing] for details
-shadowName env name
- = alterOccEnv (fmap alter_fn) env (nameOccName name)
+shadowName env new_name
+ = alterOccEnv (fmap (mapMaybe shadow)) env (occName new_name)
where
- alter_fn :: [GlobalRdrElt] -> [GlobalRdrElt]
- alter_fn gres = mapMaybe (shadow_with name) gres
+ maybe_new_mod = nameModule_maybe (greNameMangledName new_name)
- shadow_with :: Name -> GlobalRdrElt -> Maybe GlobalRdrElt
- shadow_with new_name
+ shadow :: GlobalRdrElt -> Maybe GlobalRdrElt
+ shadow
old_gre@(GRE { gre_lcl = lcl, gre_imp = iss })
= case greDefinitionModule old_gre of
Nothing -> Just old_gre -- Old name is Internal; do not shadow
Just old_mod
- | Just new_mod <- nameModule_maybe new_name
+ | Just new_mod <- maybe_new_mod
, new_mod == old_mod -- Old name same as new name; shadow completely
-> Nothing
@@ -1170,7 +1169,7 @@ shadowName env name
-> Just (old_gre { gre_lcl = False, gre_imp = iss' })
where
- iss' = lcl_imp ++ mapMaybe (shadow_is new_name) iss
+ iss' = lcl_imp ++ mapMaybe shadow_is iss
lcl_imp | lcl = [mk_fake_imp_spec old_gre old_mod]
| otherwise = []
@@ -1183,9 +1182,9 @@ shadowName env name
, is_qual = True
, is_dloc = greDefinitionSrcSpan old_gre }
- shadow_is :: Name -> ImportSpec -> Maybe ImportSpec
- shadow_is new_name is@(ImpSpec { is_decl = id_spec })
- | Just new_mod <- nameModule_maybe new_name
+ shadow_is :: ImportSpec -> Maybe ImportSpec
+ shadow_is is@(ImpSpec { is_decl = id_spec })
+ | Just new_mod <- maybe_new_mod
, is_as id_spec == moduleName new_mod
= Nothing -- Shadow both qualified and unqualified
| otherwise -- Shadow unqualified only
diff --git a/compiler/GHC/Types/TyThing.hs b/compiler/GHC/Types/TyThing.hs
index 1eb08b4549..fb89c42ee3 100644
--- a/compiler/GHC/Types/TyThing.hs
+++ b/compiler/GHC/Types/TyThing.hs
@@ -261,7 +261,7 @@ tyThingAvailInfo (ATyCon t)
dcs = tyConDataCons t
flds = tyConFieldLabels t
tyThingAvailInfo (AConLike (PatSynCon p))
- = map avail ((getName p) : map flSelector (patSynFieldLabels p))
+ = avail (getName p) : map availField (patSynFieldLabels p)
tyThingAvailInfo t
= [avail (getName t)]