X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FbasicTypes%2FSrcLoc.lhs;h=d912beb4a685c48cc9a3d99186c1f14e17b06dea;hb=707ea5881703d680155aab268bdbf7edc113e3b1;hp=1a0198095985536eb691a2b060cacda485ba6449;hpb=da89032a3d07c53370320975f416bdbf2ccb0188;p=ghc-hetmet.git

diff --git a/compiler/basicTypes/SrcLoc.lhs b/compiler/basicTypes/SrcLoc.lhs
index 1a01980..d912beb 100644
--- a/compiler/basicTypes/SrcLoc.lhs
+++ b/compiler/basicTypes/SrcLoc.lhs
@@ -69,11 +69,14 @@ module SrcLoc (
         spans, isSubspanOf
     ) where
 
+#include "Typeable.h"
+
 import Util
 import Outputable
 import FastString
 
 import Data.Bits
+import Data.Data
 \end{code}
 
 %************************************************************************
@@ -181,6 +184,14 @@ instance Outputable SrcLoc where
                   char '\"', pprFastFilePath src_path, text " #-}"]
 
     ppr (UnhelpfulLoc s)  = ftext s
+
+INSTANCE_TYPEABLE0(SrcSpan,srcSpanTc,"SrcSpan")
+
+instance Data SrcSpan where
+  -- don't traverse?
+  toConstr _   = abstractConstr "SrcSpan"
+  gunfold _ _  = error "gunfold"
+  dataTypeOf _ = mkNoRepType "SrcSpan"
 \end{code}
 
 %************************************************************************
@@ -443,6 +454,7 @@ pprDefnLoc loc
 \begin{code}
 -- | We attach SrcSpans to lots of things, so let's have a datatype for it.
 data Located e = L SrcSpan e
+  deriving (Eq, Ord, Typeable, Data)
 
 unLoc :: Located e -> e
 unLoc (L _ e) = e
@@ -479,7 +491,7 @@ instance Functor Located where
   fmap f (L l e) = L l (f e)
 
 instance Outputable e => Outputable (Located e) where
-  ppr (L l e) = ifPprDebug (braces (pprUserSpan False l)) <> ppr e
+  ppr (L l e) = ifPprDebug (braces (pprUserSpan False l)) $$ ppr e
 		-- Print spans without the file name etc
 \end{code}