Add Data and Typeable instances to HsSyn

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

diff --git a/compiler/basicTypes/Name.lhs b/compiler/basicTypes/Name.lhs
index cb6785a..f0cb443 100644 (file)
--- a/compiler/basicTypes/Name.lhs
+++ b/compiler/basicTypes/Name.lhs
@@ -37,7 +37,7 @@ module Name (
        BuiltInSyntax(..),
 
        -- ** Creating 'Name's
-       mkInternalName, mkSystemName,
+       mkInternalName, mkSystemName, mkDerivedInternalName, 
        mkSystemVarName, mkSysTvName, 
        mkFCallName, mkIPName,
         mkTickBoxOpName,
@@ -69,12 +69,15 @@ module Name (
        module OccName
     ) where
 
+#include "Typeable.h"
+
 import {-# SOURCE #-} TypeRep( TyThing )
 
 import OccName
 import Module
 import SrcLoc
 import Unique
+import Util
 import Maybes
 import Binary
 import StaticFlags
@@ -83,6 +86,7 @@ import FastString
 import Outputable
 
 import Data.Array
+import Data.Data
 import Data.Word        ( Word32 )
 \end{code}
 
@@ -249,6 +253,11 @@ mkInternalName uniq occ loc = Name { n_uniq = getKeyFastInt uniq, n_sort = Inter
        --      * for interface files we tidyCore first, which puts the uniques
        --        into the print name (see setNameVisibility below)
 
+mkDerivedInternalName :: (OccName -> OccName) -> Unique -> Name -> Name
+mkDerivedInternalName derive_occ uniq (Name { n_occ = occ, n_loc = loc })
+  = Name { n_uniq = getKeyFastInt uniq, n_sort = Internal
+         , n_occ = derive_occ occ, n_loc = loc }
+
 -- | Create a name which definitely originates in the given module
 mkExternalName :: Unique -> Module -> OccName -> SrcSpan -> Name
 mkExternalName uniq mod occ loc 
@@ -353,6 +362,14 @@ 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"
+  gunfold _ _  = error "gunfold"
+  dataTypeOf _ = mkNoRepType "Name"
 \end{code}
 
 %************************************************************************