X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Frename%2FRnBinds.lhs;h=59c5959f942731334018d0efc456e4a1921c9588;hp=13035e72e2831185bc58ee74c632c381ac49b151;hb=1dfd77341ec56e9d61f2d78cb7ff2b9900385dac;hpb=0065d5ab628975892cea1ec7303f968c3338cbe1

diff --git a/compiler/rename/RnBinds.lhs b/compiler/rename/RnBinds.lhs
index 13035e7..59c5959 100644
--- a/compiler/rename/RnBinds.lhs
+++ b/compiler/rename/RnBinds.lhs
@@ -12,7 +12,7 @@ they may be affected by renaming (which isn't fully worked out yet).
 module RnBinds (
 	rnTopBinds, 
 	rnLocalBindsAndThen, rnValBindsAndThen, rnValBinds, trimWith,
-	rnMethodBinds, renameSigs, 
+	rnMethodBinds, renameSigs, mkSigTvFn,
 	rnMatchGroup, rnGRHSs
    ) where
 
@@ -28,7 +28,7 @@ import RnTypes		( rnHsSigType, rnLHsType, rnHsTypeFVs,
 			  rnLPat, rnPatsAndThen, patSigErr, checkPrecMatch )
 import RnEnv		( bindLocatedLocalsRn, lookupLocatedBndrRn, 
 			  lookupLocatedInstDeclBndr, newIPNameRn,
-			  lookupLocatedSigOccRn, bindPatSigTyVars, bindPatSigTyVarsFV,
+			  lookupLocatedSigOccRn, bindPatSigTyVarsFV,
 			  bindLocalFixities, bindSigTyVarsFV, 
 			  warnUnusedLocalBinds, mapFvRn, extendTyVarEnvFVRn,
 			)
@@ -44,7 +44,7 @@ import BasicTypes	( RecFlag(..) )
 import Digraph		( SCC(..), stronglyConnComp )
 import Bag
 import Outputable
-import Maybes		( orElse, isJust )
+import Maybes		( orElse )
 import Util		( filterOut )
 import Monad		( foldM )
 \end{code}
@@ -420,23 +420,25 @@ a binder.
 
 \begin{code}
 rnMethodBinds :: Name			-- Class name
+	      -> (Name -> [Name])	-- Signature tyvar function
 	      -> [Name]			-- Names for generic type variables
 	      -> LHsBinds RdrName
 	      -> RnM (LHsBinds Name, FreeVars)
 
-rnMethodBinds cls gen_tyvars binds
+rnMethodBinds cls sig_fn gen_tyvars binds
   = foldM do_one (emptyBag,emptyFVs) (bagToList binds)
   where do_one (binds,fvs) bind = do
-	   (bind', fvs_bind) <- rnMethodBind cls gen_tyvars bind
+	   (bind', fvs_bind) <- rnMethodBind cls sig_fn gen_tyvars bind
 	   return (bind' `unionBags` binds, fvs_bind `plusFV` fvs)
 
-rnMethodBind cls gen_tyvars (L loc (FunBind { fun_id = name, fun_infix = inf, 
-					      fun_matches = MatchGroup matches _ }))
-  =  setSrcSpan loc $ 
-     lookupLocatedInstDeclBndr cls name			`thenM` \ sel_name -> 
-     let plain_name = unLoc sel_name in
+rnMethodBind cls sig_fn gen_tyvars (L loc (FunBind { fun_id = name, fun_infix = inf, 
+					             fun_matches = MatchGroup matches _ }))
+  = setSrcSpan loc $ 
+    lookupLocatedInstDeclBndr cls name			`thenM` \ sel_name -> 
+    let plain_name = unLoc sel_name in
 	-- We use the selector name as the binder
 
+    bindSigTyVarsFV (sig_fn plain_name)			$
     mapFvRn (rn_match plain_name) matches		`thenM` \ (new_matches, fvs) ->
     let 
 	new_group = MatchGroup new_matches placeHolderType
@@ -460,7 +462,7 @@ rnMethodBind cls gen_tyvars (L loc (FunBind { fun_id = name, fun_infix = inf,
 
 
 -- Can't handle method pattern-bindings which bind multiple methods.
-rnMethodBind cls gen_tyvars mbind@(L loc (PatBind other_pat _ _ _))
+rnMethodBind cls sig_fn gen_tyvars mbind@(L loc (PatBind other_pat _ _ _))
   = addLocErr mbind methodBindErr	`thenM_`
     returnM (emptyBag, emptyFVs) 
 \end{code}