X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FbasicTypes%2FOccName.lhs;h=0d1cb37949b5fa47fa104783bc7cdabf3cb96c14;hb=30098da67fd3ce50ef5a110f57c1780002f83615;hp=a3661a9ab0d093eba7e43ee1574dcc9a8a8c4f33;hpb=0065d5ab628975892cea1ec7303f968c3338cbe1;p=ghc-hetmet.git

diff --git a/compiler/basicTypes/OccName.lhs b/compiler/basicTypes/OccName.lhs
index a3661a9..0d1cb37 100644
--- a/compiler/basicTypes/OccName.lhs
+++ b/compiler/basicTypes/OccName.lhs
@@ -27,11 +27,13 @@ module OccName (
 	setOccNameSpace,
 
 	-- ** Derived OccNames
-	mkDataConWrapperOcc, mkWorkerOcc, mkDefaultMethodOcc, mkDerivedTyConOcc,
+	mkDataConWrapperOcc, mkWorkerOcc, mkDefaultMethodOcc,
+	mkDerivedTyConOcc, mkNewTyCoOcc,
   	mkClassTyConOcc, mkClassDataConOcc, mkDictOcc, mkIPOcc, 
  	mkSpecOcc, mkForeignExportOcc, mkGenOcc1, mkGenOcc2,
 	mkDataTOcc, mkDataCOcc, mkDataConWorkerOcc,
-	mkSuperDictSelOcc, mkLocalOcc, mkMethodOcc,
+	mkSuperDictSelOcc, mkLocalOcc, mkMethodOcc, mkInstTyTcOcc,
+	mkInstTyCoOcc, 
 
 	-- ** Deconstruction
 	occNameFS, occNameString, occNameSpace, 
@@ -425,7 +427,7 @@ mk_deriv occ_sp sys_prefix str = mkOccName occ_sp (sys_prefix ++ str)
 mkDataConWrapperOcc, mkWorkerOcc, mkDefaultMethodOcc, mkDerivedTyConOcc,
   	mkClassTyConOcc, mkClassDataConOcc, mkDictOcc, mkIPOcc, 
  	mkSpecOcc, mkForeignExportOcc, mkGenOcc1, mkGenOcc2,
-	mkDataTOcc, mkDataCOcc, mkDataConWorkerOcc
+	mkDataTOcc, mkDataCOcc, mkDataConWorkerOcc, mkNewTyCoOcc
    :: OccName -> OccName
 
 -- These derived variables have a prefix that no Haskell value could have
@@ -440,6 +442,8 @@ mkDictOcc	    = mk_simple_deriv varName  "$d"
 mkIPOcc		    = mk_simple_deriv varName  "$i"
 mkSpecOcc	    = mk_simple_deriv varName  "$s"
 mkForeignExportOcc  = mk_simple_deriv varName  "$f"
+mkNewTyCoOcc        = mk_simple_deriv tcName  ":Co"
+mkInstTyCoOcc       = mk_simple_deriv tcName  ":Co"      -- derived from rep ty
 
 -- Generic derivable classes
 mkGenOcc1           = mk_simple_deriv varName  "$gfrom"
@@ -475,6 +479,16 @@ mkLocalOcc uniq occ
 	-- that need encoding (e.g. 'z'!)
 \end{code}
 
+Derive a name for the representation type constructor of a data/newtype
+instance.
+
+\begin{code}
+mkInstTyTcOcc :: Int			-- Index
+	      -> OccName		-- Family name (e.g. "Map")
+	      -> OccName		-- Nice unique version (":R23Map")
+mkInstTyTcOcc index occ
+   = mk_deriv tcName (":R" ++ show index) (occNameString occ)
+\end{code}
 
 \begin{code}
 mkDFunOcc :: String		-- Typically the class and type glommed together e.g. "OrdMaybe"