X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FhsSyn%2FHsTypes.lhs;h=75e6c23186c4a21cde73ec108c3b2ef2a5ad9956;hb=8897257e5b8f7eda019234186849523e552cc877;hp=7159540f85756fd2d7cd066f0c8e257bd45088c2;hpb=b2524b3960999fffdb3767900f58825903f6560f;p=ghc-hetmet.git

diff --git a/compiler/hsSyn/HsTypes.lhs b/compiler/hsSyn/HsTypes.lhs
index 7159540..75e6c23 100644
--- a/compiler/hsSyn/HsTypes.lhs
+++ b/compiler/hsSyn/HsTypes.lhs
@@ -26,6 +26,7 @@ module HsTypes (
 	hsTyVarKind, hsTyVarNameKind,
 	hsLTyVarName, hsLTyVarNames, hsLTyVarLocName, hsLTyVarLocNames,
 	splitHsInstDeclTy, splitHsFunType,
+	splitHsAppTys, mkHsAppTys,
 	
 	-- Type place holder
 	PostTcType, placeHolderType, PostTcKind, placeHolderKind,
@@ -294,6 +295,19 @@ replaceTyVarName (KindedTyVar _ k) n' = KindedTyVar n' k
 
 
 \begin{code}
+splitHsAppTys :: LHsType n -> [LHsType n] -> (LHsType n, [LHsType n])
+splitHsAppTys (L _ (HsAppTy f a)) as = splitHsAppTys f (a:as)
+splitHsAppTys f          	  as = (f,as)
+
+mkHsAppTys :: OutputableBndr n => LHsType n -> [LHsType n] -> HsType n
+mkHsAppTys fun_ty [] = pprPanic "mkHsAppTys" (ppr fun_ty)
+mkHsAppTys fun_ty (arg_ty:arg_tys)
+  = foldl mk_app (HsAppTy fun_ty arg_ty) arg_tys
+  where
+    mk_app fun arg = HsAppTy (noLoc fun) arg	
+       -- Add noLocs for inner nodes of the application; 
+       -- they are never used 
+
 splitHsInstDeclTy 
     :: OutputableBndr name
     => HsType name