merge GHC HEAD

[ghc-hetmet.git] / compiler / rename / RnHsSyn.lhs

diff --git a/compiler/rename/RnHsSyn.lhs b/compiler/rename/RnHsSyn.lhs
index 44aa700..b958f9d 100644 (file)
--- a/compiler/rename/RnHsSyn.lhs
+++ b/compiler/rename/RnHsSyn.lhs
@@ -11,16 +11,14 @@ module RnHsSyn(
         extractFunDepNames, extractHsCtxtTyNames, extractHsPredTyNames,
 
         -- Free variables
-        hsSigsFVs, hsSigFVs, conDeclFVs, bangTyFVs,
-
-        maybeGenericMatch
+        hsSigsFVs, hsSigFVs, conDeclFVs, bangTyFVs
   ) where
 
 #include "HsVersions.h"
 
 import HsSyn
 import Class            ( FunDep )
-import TysWiredIn       ( tupleTyCon, listTyCon, parrTyCon, charTyCon )
+import TysWiredIn       ( tupleTyCon, listTyCon, parrTyCon, hetMetCodeTypeTyCon, charTyCon )
 import Name             ( Name, getName, isTyVarName )
 import NameSet
 import BasicTypes       ( Boxity )
@@ -40,6 +38,8 @@ charTyCon_name, listTyCon_name, parrTyCon_name :: Name
 charTyCon_name    = getName charTyCon
 listTyCon_name    = getName listTyCon
 parrTyCon_name    = getName parrTyCon
+hetMetCodeTypeTyCon_name :: Name
+hetMetCodeTypeTyCon_name = getName hetMetCodeTypeTyCon
 
 tupleTyCon_name :: Boxity -> Int -> Name
 tupleTyCon_name boxity n = getName (tupleTyCon boxity n)
@@ -59,6 +59,7 @@ extractHsTyNames ty
     get (HsAppTy ty1 ty2)      = getl ty1 `unionNameSets` getl ty2
     get (HsListTy ty)          = unitNameSet listTyCon_name `unionNameSets` getl ty
     get (HsPArrTy ty)          = unitNameSet parrTyCon_name `unionNameSets` getl ty
+    get (HsModalBoxType ecn ty) = (unitNameSet ecn) `unionNameSets` (unitNameSet hetMetCodeTypeTyCon_name) `unionNameSets` (getl ty)
     get (HsTupleTy _ tys)      = extractHsTyNames_s tys
     get (HsFunTy ty1 ty2)      = getl ty1 `unionNameSets` getl ty2
     get (HsPredTy p)           = extractHsPredTyNames p
@@ -66,7 +67,6 @@ extractHsTyNames ty
     get (HsParTy ty)           = getl ty
     get (HsBangTy _ ty)        = getl ty
     get (HsRecTy flds)         = extractHsTyNames_s (map cd_fld_type flds)
-    get (HsNumTy _)            = emptyNameSet
     get (HsTyVar tv)           = unitNameSet tv
     get (HsSpliceTy _ fvs _)   = fvs
     get (HsQuasiQuoteTy {})    = emptyNameSet
@@ -145,24 +145,3 @@ conDetailsFVs details = plusFVs (map bangTyFVs (hsConDeclArgTys details))
 bangTyFVs :: LHsType Name -> FreeVars
 bangTyFVs bty = extractHsTyNames (getBangType bty)
 \end{code}
-
-
-%************************************************************************
-%*                                                                      *
-\subsection{A few functions on generic defintions
-%*                                                                      *
-%************************************************************************
-
-These functions on generics are defined over Matches Name, which is
-why they are here and not in HsMatches.
-
-\begin{code}
-maybeGenericMatch :: LMatch Name -> Maybe (HsType Name, LMatch Name)
-  -- Tells whether a Match is for a generic definition
-  -- and extract the type from a generic match and put it at the front
-
-maybeGenericMatch (L loc (Match (L _ (TypePat (L _ ty)) : pats) sig_ty grhss))
-  = Just (ty, L loc (Match pats sig_ty grhss))
-
-maybeGenericMatch _ = Nothing
-\end{code}