Constructor names in info tables

[ghc-hetmet.git] / compiler / basicTypes / DataCon.lhs

diff --git a/compiler/basicTypes/DataCon.lhs b/compiler/basicTypes/DataCon.lhs
index d7a7e2a..c75f1b4 100644 (file)
--- a/compiler/basicTypes/DataCon.lhs
+++ b/compiler/basicTypes/DataCon.lhs
@@ -10,7 +10,7 @@ module DataCon (
        ConTag, fIRST_TAG,
        mkDataCon,
        dataConRepType, dataConSig, dataConFullSig,
-       dataConName, dataConTag, dataConTyCon, dataConUserType,
+       dataConName, dataConIdentity, dataConTag, dataConTyCon, dataConUserType,
        dataConUnivTyVars, dataConExTyVars, dataConAllTyVars, dataConResTys,
        dataConEqSpec, eqSpecPreds, dataConTheta, dataConStupidTheta, 
        dataConInstArgTys, dataConOrigArgTys, 
@@ -350,7 +350,7 @@ data DataConIds
        -- The 'Nothing' case of DCIds is important
        -- Not only is this efficient,
        -- but it also ensures that the wrapper is replaced
-       -- by the worker (becuase it *is* the wroker)
+       -- by the worker (becuase it *is* the worker)
        -- even when there are no args. E.g. in
        --              f (:) x
        -- the (:) *is* the worker.
@@ -501,6 +501,19 @@ mk_dict_strict_mark pred | isStrictPred pred = MarkedStrict
 dataConName :: DataCon -> Name
 dataConName = dcName
 
+-- generate a name in the format: package:Module.OccName
+-- and the unique identity of the name
+dataConIdentity :: DataCon -> String
+dataConIdentity dataCon
+   = prettyName
+   where
+   prettyName = pretty packageModule ++ "." ++ pretty occ
+   nm = getName dataCon
+   packageModule = nameModule nm
+   occ = getOccName dataCon
+   pretty :: Outputable a => a -> String 
+   pretty = showSDoc . ppr
+
 dataConTag :: DataCon -> ConTag
 dataConTag  = dcTag
 
@@ -619,7 +632,7 @@ dataConUserType  (MkData { dcUnivTyVars = univ_tvs,
     mkFunTys (mkPredTys theta) $
     mkFunTys arg_tys $
     case tyConFamInst_maybe tycon of
-      Nothing             -> mkTyConApp tycon (map (substTyVar subst) univ_tvs)
+      Nothing             -> mkTyConApp tycon (substTyVars subst univ_tvs)
       Just (ftc, insttys) -> mkTyConApp ftc insttys        -- data instance
   where
     subst = mkTopTvSubst eq_spec