mkPrimOpId, mkFCallId, mkTickBoxOpId, mkBreakPointOpId,
mkReboxingAlt, wrapNewTypeBody, unwrapNewTypeBody,
+ wrapFamInstBody, unwrapFamInstScrut,
mkUnpackCase, mkProductBox,
-- And some particular Ids; see below for why they are wired in
import FastString
import ListSetOps
import Module
-\end{code}
+\end{code}
%************************************************************************
%* *
mkDataConIds :: Name -> Name -> DataCon -> DataConIds
mkDataConIds wrap_name wkr_name data_con
| isNewTyCon tycon -- Newtype, only has a worker
- , not (isFamInstTyCon tycon) -- unless it's a family instancex
= DCIds Nothing nt_work_id
| any isMarkedStrict all_strict_marks -- Algebraic, needs wrapper
wrapNewTypeBody tycon res_ty_args
(Var id_arg1)
- id_arg1 = mkTemplateLocal 1 (head orig_arg_tys)
+ id_arg1 = ASSERT( not (null orig_arg_tys) ) mkTemplateLocal 1 (head orig_arg_tys)
----------- Wrapper --------------
-- We used to include the stupid theta in the wrapper's args
| otherwise = sel_id
where
is_naughty = not (tyVarsOfType field_ty `subVarSet` data_tv_set)
- sel_id_details = RecordSelId tycon field_label is_naughty
+ sel_id_details = RecordSelId { sel_tycon = tycon, sel_label = field_label, sel_naughty = is_naughty }
+ -- For a data type family, the tycon is the *instance* TyCon
-- Escapist case here for naughty constructors
-- We give it no IdInfo, and a type of forall a.a (never looked at)
data_cons_w_field = filter has_field data_cons -- Can't be empty!
has_field con = field_label `elem` dataConFieldLabels con
- con1 = head data_cons_w_field
+ con1 = ASSERT( not (null data_cons_w_field) ) head data_cons_w_field
(univ_tvs, _, eq_spec, _, _, data_ty) = dataConFullSig con1
-- For a data type family, the data_ty (and hence selector_ty) mentions
-- only the family TyCon, not the instance TyCon