diff options
Diffstat (limited to 'compiler/GHC/Types/Name/Occurrence.hs')
| -rw-r--r-- | compiler/GHC/Types/Name/Occurrence.hs | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/compiler/GHC/Types/Name/Occurrence.hs b/compiler/GHC/Types/Name/Occurrence.hs index 2062d5449b..7b11d670fb 100644 --- a/compiler/GHC/Types/Name/Occurrence.hs +++ b/compiler/GHC/Types/Name/Occurrence.hs @@ -608,7 +608,6 @@ mkDataConWrapperOcc, mkWorkerOcc, mkGenR, mkGen1R, mkDataConWorkerOcc, mkNewTyCoOcc, mkInstTyCoOcc, mkEqPredCoOcc, mkClassOpAuxOcc, - mkCon2TagOcc, mkTag2ConOcc, mkMaxTagOcc, mkTyConRepOcc :: OccName -> OccName @@ -629,11 +628,6 @@ mkNewTyCoOcc = mk_simple_deriv tcName "N:" -- Coercion for newtypes mkInstTyCoOcc = mk_simple_deriv tcName "D:" -- Coercion for type functions mkEqPredCoOcc = mk_simple_deriv tcName "$co" --- Used in derived instances -mkCon2TagOcc = mk_simple_deriv varName "$con2tag_" -mkTag2ConOcc = mk_simple_deriv varName "$tag2con_" -mkMaxTagOcc = mk_simple_deriv varName "$maxtag_" - -- TyConRepName stuff; see Note [Grand plan for Typeable] in GHC.Tc.Instance.Typeable mkTyConRepOcc occ = mk_simple_deriv varName prefix occ where @@ -697,15 +691,17 @@ mkDFunOcc info_str is_boot set prefix | is_boot = "$fx" | otherwise = "$f" -mkDataTOcc, mkDataCOcc +mkCon2TagOcc, mkTag2ConOcc, mkMaxTagOcc, mkDataTOcc, mkDataCOcc :: OccName -- ^ TyCon or data con string -> OccSet -- ^ avoid these Occs -> OccName -- ^ E.g. @$f3OrdMaybe@ --- data T = MkT ... deriving( Data ) needs definitions for --- $tT :: Data.Generics.Basics.DataType --- $cMkT :: Data.Generics.Basics.Constr -mkDataTOcc occ = chooseUniqueOcc VarName ("$t" ++ occNameString occ) -mkDataCOcc occ = chooseUniqueOcc VarName ("$c" ++ occNameString occ) +-- Generates the names of auxiliary bindings used for derived instances. +-- See Note [Auxiliary binders] in GHC.Tc.Deriv.Generate. +mkCon2TagOcc occ = chooseUniqueOcc VarName ("$con2tag_" ++ occNameString occ) +mkTag2ConOcc occ = chooseUniqueOcc VarName ("$tag2con_" ++ occNameString occ) +mkMaxTagOcc occ = chooseUniqueOcc VarName ("$maxtag_" ++ occNameString occ) +mkDataTOcc occ = chooseUniqueOcc VarName ("$t" ++ occNameString occ) +mkDataCOcc occ = chooseUniqueOcc VarName ("$c" ++ occNameString occ) {- Sometimes we need to pick an OccName that has not already been used, |