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-rw-r--r--compiler/GHC/Tc/Errors/Hole.hs22
1 files changed, 11 insertions, 11 deletions
diff --git a/compiler/GHC/Tc/Errors/Hole.hs b/compiler/GHC/Tc/Errors/Hole.hs
index 7c0eaa7912..2edce28eac 100644
--- a/compiler/GHC/Tc/Errors/Hole.hs
+++ b/compiler/GHC/Tc/Errors/Hole.hs
@@ -620,7 +620,7 @@ findValidHoleFits tidy_env implics simples h@(Hole { hole_sort = ExprHole _
where newTyVars = replicateM refLvl $ setLvl <$>
(newOpenTypeKind >>= newFlexiTyVar)
setLvl = flip setMetaTyVarTcLevel hole_lvl
- wrapWithVars vars = mkVisFunTys (map mkTyVarTy vars) hole_ty
+ wrapWithVars vars = mkVisFunTysMany (map mkTyVarTy vars) hole_ty
sortFits :: SortingAlg -- How we should sort the hole fits
-> [HoleFit] -- The subs to sort
@@ -758,34 +758,34 @@ tcFilterHoleFits limit typed_hole ht@(hole_ty, _) candidates =
do { traceTc "lookingUp" $ ppr el
; maybeThing <- lookup el
; case maybeThing of
- Just id | not_trivial id ->
- do { fits <- fitsHole ty (idType id)
+ Just (id, id_ty) | not_trivial id ->
+ do { fits <- fitsHole ty id_ty
; case fits of
- Just (wrp, matches) -> keep_it id wrp matches
+ Just (wrp, matches) -> keep_it id id_ty wrp matches
_ -> discard_it }
_ -> discard_it }
where
-- We want to filter out undefined and the likes from GHC.Err
not_trivial id = nameModule_maybe (idName id) /= Just gHC_ERR
- lookup :: HoleFitCandidate -> TcM (Maybe Id)
- lookup (IdHFCand id) = return (Just id)
+ lookup :: HoleFitCandidate -> TcM (Maybe (Id, Type))
+ lookup (IdHFCand id) = return (Just (id, idType id))
lookup hfc = do { thing <- tcLookup name
; return $ case thing of
- ATcId {tct_id = id} -> Just id
- AGlobal (AnId id) -> Just id
+ ATcId {tct_id = id} -> Just (id, idType id)
+ AGlobal (AnId id) -> Just (id, idType id)
AGlobal (AConLike (RealDataCon con)) ->
- Just (dataConWrapId con)
+ Just (dataConWrapId con, dataConNonlinearType con)
_ -> Nothing }
where name = case hfc of
IdHFCand id -> idName id
GreHFCand gre -> gre_name gre
NameHFCand name -> name
discard_it = go subs seen maxleft ty elts
- keep_it eid wrp ms = go (fit:subs) (extendVarSet seen eid)
+ keep_it eid eid_ty wrp ms = go (fit:subs) (extendVarSet seen eid)
((\n -> n - 1) <$> maxleft) ty elts
where
- fit = HoleFit { hfId = eid, hfCand = el, hfType = (idType eid)
+ fit = HoleFit { hfId = eid, hfCand = el, hfType = eid_ty
, hfRefLvl = length (snd ty)
, hfWrap = wrp, hfMatches = ms
, hfDoc = Nothing }