[project @ 2001-12-11 12:19:04 by simonpj]

Dead code removal

ghc/compiler/rename/RnEnv.lhs

@@ -611,20 +611,12 @@ bindTyVarsRn :: SDoc -> [HsTyVarBndr RdrName]
 	      -> ([HsTyVarBndr Name] -> RnMS a)
 	      -> RnMS a
 bindTyVarsRn doc_str tyvar_names enclosed_scope
-  = bindTyVars2Rn doc_str tyvar_names 	$ \ names tyvars ->
-    enclosed_scope tyvars
-
--- Gruesome name: return Names as well as HsTyVars
-bindTyVars2Rn :: SDoc -> [HsTyVarBndr RdrName]
-	      -> ([Name] -> [HsTyVarBndr Name] -> RnMS a)
-	      -> RnMS a
-bindTyVars2Rn doc_str tyvar_names enclosed_scope
   = getSrcLocRn					`thenRn` \ loc ->
     let
 	located_tyvars = [(hsTyVarName tv, loc) | tv <- tyvar_names] 
     in
     bindLocatedLocalsRn doc_str located_tyvars	$ \ names ->
-    enclosed_scope names (zipWith replaceTyVarName tyvar_names names)
+    enclosed_scope (zipWith replaceTyVarName tyvar_names names)
 
 bindPatSigTyVars :: [RdrNameHsType]
 		 -> RnMS (a, FreeVars)

ghc/compiler/rename/RnSource.lhs

@@ -25,8 +25,7 @@ import RnBinds		( rnTopBinds, rnMethodBinds, renameSigs, renameSigsFVs )
 import RnEnv		( lookupTopBndrRn, lookupOccRn, lookupIfaceName,
 			  lookupOrigNames, lookupSysBinder, newLocalsRn,
 			  bindLocalsFVRn, bindPatSigTyVars,
-			  bindTyVarsRn, bindTyVars2Rn,
-			  extendTyVarEnvFVRn,
+			  bindTyVarsRn, extendTyVarEnvFVRn,
 			  bindCoreLocalRn, bindCoreLocalsRn, bindLocalNames,
 			  checkDupOrQualNames, checkDupNames, mapFvRn
 			)
@@ -341,7 +340,7 @@ rnTyClDecl (ClassDecl {tcdCtxt = context, tcdName = cname,
     mapRn lookupSysBinder names			`thenRn` \ names' ->
 
 	-- Tyvars scope over bindings and context
-    bindTyVars2Rn cls_doc tyvars		$ \ clas_tyvar_names tyvars' ->
+    bindTyVarsRn cls_doc tyvars			$ \ tyvars' ->
 
 	-- Check the superclasses
     rnContext cls_doc context			`thenRn` \ context' ->
@@ -355,8 +354,8 @@ rnTyClDecl (ClassDecl {tcdCtxt = context, tcdName = cname,
 	(op_sigs, non_op_sigs) = partition isClassOpSig sigs
 	sig_rdr_names_w_locs   = [(op,locn) | ClassOpSig op _ _ locn <- sigs]
     in
-    checkDupOrQualNames sig_doc sig_rdr_names_w_locs		`thenRn_` 
-    mapRn (rnClassOp cname' clas_tyvar_names fds') op_sigs	`thenRn` \ sigs' ->
+    checkDupOrQualNames sig_doc sig_rdr_names_w_locs	`thenRn_` 
+    mapRn (rnClassOp cname' fds') op_sigs		`thenRn` \ sigs' ->
     let
 	binders = mkNameSet [ nm | (ClassOpSig nm _ _ _) <- sigs' ]
     in
@@ -374,7 +373,7 @@ rnTyClDecl (ClassDecl {tcdCtxt = context, tcdName = cname,
     cls_doc  = text "In the declaration for class" 	<+> ppr cname
     sig_doc  = text "In the signatures for class"  	<+> ppr cname
 
-rnClassOp clas clas_tyvars clas_fds sig@(ClassOpSig op dm_stuff ty locn)
+rnClassOp clas clas_fds sig@(ClassOpSig op dm_stuff ty locn)
   = pushSrcLocRn locn $
     lookupTopBndrRn op			`thenRn` \ op_name ->