FIX: Make boxy splitters aware of type families

[ghc-hetmet.git] / compiler / hsSyn / HsUtils.lhs

diff --git a/compiler/hsSyn/HsUtils.lhs b/compiler/hsSyn/HsUtils.lhs
index 19fd902..0f75769 100644 (file)
--- a/compiler/hsSyn/HsUtils.lhs
+++ b/compiler/hsSyn/HsUtils.lhs
@@ -13,11 +13,11 @@ which deal with the intantiated versions are located elsewhere:
    Id                  typecheck/TcHsSyn       
 
 \begin{code}
-{-# OPTIONS_GHC -w #-}
+{-# OPTIONS -w #-}
 -- The above warning supression flag is a temporary kludge.
 -- While working on this module you are encouraged to remove it and fix
 -- any warnings in the module. See
---     http://hackage.haskell.org/trac/ghc/wiki/WorkingConventions#Warnings
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
 -- for details
 
 module HsUtils where
@@ -32,6 +32,7 @@ import HsLit
 
 import RdrName
 import Var
+import Coercion
 import Type
 import DataCon
 import Name
@@ -89,6 +90,10 @@ mkHsWrap :: HsWrapper -> HsExpr id -> HsExpr id
 mkHsWrap co_fn e | isIdHsWrapper co_fn = e
                 | otherwise          = HsWrap co_fn e
 
+mkHsWrapCoI :: CoercionI -> HsExpr id -> HsExpr id
+mkHsWrapCoI IdCo     e = e
+mkHsWrapCoI (ACo co) e = mkHsWrap (WpCo co) e
+
 mkHsLam :: [LPat id] -> LHsExpr id -> LHsExpr id
 mkHsLam pats body = mkHsPar (L (getLoc body) (HsLam matches))
        where