X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FbasicTypes%2FOccName.lhs;h=a5b32edf68dbd3dbd331c32d7281303d7f2d40e4;hb=680f11d3f1ad9065c4969ed5d9db857cc245d778;hp=3465f554bb4eb395738f17a80c5f1a21c99a489d;hpb=6791ad226806d7b4e7618c91516e9e20be882813;p=ghc-hetmet.git

diff --git a/compiler/basicTypes/OccName.lhs b/compiler/basicTypes/OccName.lhs
index 3465f55..a5b32ed 100644
--- a/compiler/basicTypes/OccName.lhs
+++ b/compiler/basicTypes/OccName.lhs
@@ -1,10 +1,8 @@
-{-% DrIFT (Automatic class derivations for Haskell) v1.1 %-}
 %
+% (c) The University of Glasgow 2006
 % (c) The GRASP/AQUA Project, Glasgow University, 1992-1998
 %
 
-\section[OccName]{@OccName@}
-
 \begin{code}
 module OccName (
 	-- * The NameSpace type; abstact
@@ -45,7 +43,7 @@ module OccName (
 
 	-- The OccEnv type
 	OccEnv, emptyOccEnv, unitOccEnv, extendOccEnv, mapOccEnv,
-	lookupOccEnv, mkOccEnv, extendOccEnvList, elemOccEnv,
+	lookupOccEnv, mkOccEnv, mkOccEnv_C, extendOccEnvList, elemOccEnv,
 	occEnvElts, foldOccEnv, plusOccEnv, plusOccEnv_C, extendOccEnv_C,
 
 	-- The OccSet type
@@ -65,19 +63,18 @@ module OccName (
 
 #include "HsVersions.h"
 
-import Util		( thenCmp )
-import Unique		( Unique, mkUnique, Uniquable(..) )
-import BasicTypes 	( Boxity(..), Arity )
-import StaticFlags 	( opt_PprStyle_Debug )
+import Util
+import Unique
+import BasicTypes
+import StaticFlags
 import UniqFM
 import UniqSet
 import FastString
 import Outputable
 import Binary
 
-import GLAEXTS
-
-import Data.Char	( isUpper, isLower, ord )
+import GHC.Exts
+import Data.Char
 
 -- Unicode TODO: put isSymbol in libcompat
 #if __GLASGOW_HASKELL__ > 604
@@ -262,6 +259,7 @@ extendOccEnv :: OccEnv a -> OccName -> a -> OccEnv a
 extendOccEnvList :: OccEnv a -> [(OccName, a)] -> OccEnv a
 lookupOccEnv :: OccEnv a -> OccName -> Maybe a
 mkOccEnv     :: [(OccName,a)] -> OccEnv a
+mkOccEnv_C   :: (a -> a -> a) -> [(OccName,a)] -> OccEnv a
 elemOccEnv   :: OccName -> OccEnv a -> Bool
 foldOccEnv   :: (a -> b -> b) -> b -> OccEnv a -> b
 occEnvElts   :: OccEnv a -> [a]
@@ -284,6 +282,8 @@ plusOccEnv_C	 = plusUFM_C
 extendOccEnv_C   = addToUFM_C
 mapOccEnv	 = mapUFM
 
+mkOccEnv_C comb l = addListToUFM_C comb emptyOccEnv l
+
 type OccSet = UniqFM OccName
 
 emptyOccSet	  :: OccSet
@@ -401,6 +401,7 @@ Here's our convention for splitting up the interface file name space:
 	$w...		workers
 	:T...		compiler-generated tycons for dictionaries
 	:D...		...ditto data cons
+        :Co...          ...ditto coercions
 	$sf..		specialised version of f
 
 	in encoded form these appear as Zdfxxx etc
@@ -442,7 +443,8 @@ 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"
+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"
@@ -478,25 +480,15 @@ mkLocalOcc uniq occ
 	-- that need encoding (e.g. 'z'!)
 \end{code}
 
-\begin{code}
+Derive a name for the representation type constructor of a data/newtype
+instance.
 
--- Derive a name for the representation type constructor of a data/newtype
--- instance.
---
-mkInstTyTcOcc :: Unique 		-- Unique
-	      -> OccName		-- Local name (e.g. "Map")
+\begin{code}
+mkInstTyTcOcc :: Int			-- Index
+	      -> OccName		-- Family name (e.g. "Map")
 	      -> OccName		-- Nice unique version (":R23Map")
-mkInstTyTcOcc uniq occ
-   = mk_deriv varName (":R" ++ show uniq) (occNameString occ)
-
--- Derive a name for the coercion of a data/newtype instance.
---
-mkInstTyCoOcc :: Unique 		-- Unique
-	      -> OccName		-- Local name (e.g. "Map")
-	      -> OccName		-- Nice unique version ("Co23Map")
-mkInstTyCoOcc uniq occ
-   = mk_deriv varName ("Co" ++ show uniq) (occNameString occ)
-
+mkInstTyTcOcc index occ
+   = mk_deriv tcName (":R" ++ show index) (occNameString occ)
 \end{code}
 
 \begin{code}