X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FbasicTypes%2FOccName.lhs;h=0ca7f5f6f5da3e39b513670d449f328e4cdfa6b1;hb=ff8e1d01524b48e028b09e2b04b2e5303cb6d95f;hp=a5b32edf68dbd3dbd331c32d7281303d7f2d40e4;hpb=7da21648f84f4d7257c20f9cc0982462130d6832;p=ghc-hetmet.git

diff --git a/compiler/basicTypes/OccName.lhs b/compiler/basicTypes/OccName.lhs
index a5b32ed..0ca7f5f6 100644
--- a/compiler/basicTypes/OccName.lhs
+++ b/compiler/basicTypes/OccName.lhs
@@ -31,7 +31,7 @@ module OccName (
  	mkSpecOcc, mkForeignExportOcc, mkGenOcc1, mkGenOcc2,
 	mkDataTOcc, mkDataCOcc, mkDataConWorkerOcc,
 	mkSuperDictSelOcc, mkLocalOcc, mkMethodOcc, mkInstTyTcOcc,
-	mkInstTyCoOcc, 
+	mkInstTyCoOcc, mkEqPredCoOcc,
 
 	-- ** Deconstruction
 	occNameFS, occNameString, occNameSpace, 
@@ -92,8 +92,8 @@ isSymbol = const False
 %************************************************************************
 
 \begin{code}
-data NameSpace = VarName	-- Variables, including "source" data constructors
-	       | DataName	-- "Real" data constructors 
+data NameSpace = VarName	-- Variables, including "real" data constructors
+	       | DataName	-- "Source" data constructors 
 	       | TvName		-- Type variables
 	       | TcClsName	-- Type constructors and classes; Haskell has them
 				-- in the same name space for now.
@@ -176,8 +176,9 @@ instance Eq OccName where
     (OccName sp1 s1) == (OccName sp2 s2) = s1 == s2 && sp1 == sp2
 
 instance Ord OccName where
-    compare (OccName sp1 s1) (OccName sp2 s2) = (s1  `compare` s2) `thenCmp`
-						(sp1 `compare` sp2)
+	-- Compares lexicographically, *not* by Unique of the string
+    compare (OccName sp1 s1) (OccName sp2 s2) 
+	= (s1  `compare` s2) `thenCmp` (sp1 `compare` sp2)
 \end{code}
 
 
@@ -445,6 +446,7 @@ 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
+mkEqPredCoOcc	    = mk_simple_deriv tcName  "$co"
 
 -- Generic derivable classes
 mkGenOcc1           = mk_simple_deriv varName  "$gfrom"