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 aef8b65..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, 
@@ -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