Fix warnings

[ghc-hetmet.git] / compiler / basicTypes / Name.lhs

diff --git a/compiler/basicTypes/Name.lhs b/compiler/basicTypes/Name.lhs
index 1a8b8b3..a2b42a2 100644 (file)
--- a/compiler/basicTypes/Name.lhs
+++ b/compiler/basicTypes/Name.lhs
@@ -106,6 +106,7 @@ data Name = Name {
 --(note later when changing Int# -> FastInt: is that still true about UNPACK?)
                n_loc  :: !SrcSpan      -- Definition site
            }
+    deriving Typeable
 
 -- NOTE: we make the n_loc field strict to eliminate some potential
 -- (and real!) space leaks, due to the fact that we don't look at
@@ -280,7 +281,7 @@ mkSystemVarName :: Unique -> FastString -> Name
 mkSystemVarName uniq fs = mkSystemName uniq (mkVarOccFS fs)
 
 mkSysTvName :: Unique -> FastString -> Name
-mkSysTvName uniq fs = mkSystemName uniq (mkOccNameFS tvName fs) 
+mkSysTvName uniq fs = mkSystemName uniq (mkOccNameFS tvName fs)
 
 -- | Make a name for a foreign call
 mkFCallName :: Unique -> String -> Name
@@ -363,8 +364,6 @@ instance Uniquable Name where
 instance NamedThing Name where
     getName n = n
 
-INSTANCE_TYPEABLE0(Name,nameTc,"Name")
-
 instance Data Name where
   -- don't traverse?
   toConstr _   = abstractConstr "Name"
@@ -481,12 +480,14 @@ ppr_z_occ_name occ = ftext (zEncodeFS (occNameFS occ))
 -- Prints (if mod information is available) "Defined at <loc>" or 
 --  "Defined in <mod>" information for a Name.
 pprNameLoc :: Name -> SDoc
-pprNameLoc name
-  | isGoodSrcSpan loc = pprDefnLoc loc
-  | isInternalName name || isSystemName name 
-                      = ptext (sLit "<no location info>")
-  | otherwise         = ptext (sLit "Defined in ") <> ppr (nameModule name)
-  where loc = nameSrcSpan name
+pprNameLoc name = case nameSrcSpan name of
+                  RealSrcSpan s ->
+                      pprDefnLoc s
+                  UnhelpfulSpan _
+                   | isInternalName name || isSystemName name ->
+                      ptext (sLit "<no location info>")
+                   | otherwise ->
+                      ptext (sLit "Defined in ") <> ppr (nameModule name)
 \end{code}
 
 %************************************************************************