remove empty dir

[ghc-hetmet.git] / ghc / compiler / utils / FiniteMap.lhs

diff --git a/ghc/compiler/utils/FiniteMap.lhs b/ghc/compiler/utils/FiniteMap.lhs
index d4e4931..9168d36 100644 (file)
--- a/ghc/compiler/utils/FiniteMap.lhs
+++ b/ghc/compiler/utils/FiniteMap.lhs
@@ -1,4 +1,4 @@
-%
+
 % (c) The AQUA Project, Glasgow University, 1994-1998
 %
 \section[FiniteMap]{An implementation of finite maps}
@@ -57,13 +57,13 @@ module FiniteMap (
 #define OUTPUTABLE_key {--}
 #endif
 
-import {-# SOURCE #-} Name ( Name )
-import GlaExts
-import FastString
 import Maybes
 import Bag       ( Bag, foldrBag )
+import Util
 import Outputable
 
+import GLAEXTS
+
 #if ! OMIT_NATIVE_CODEGEN
 #  define IF_NCG(a) a
 #else
@@ -194,7 +194,7 @@ emptyFM
     bottom = panic "emptyFM"
 -}
 
--- #define EmptyFM (Branch _ _ IF_GHC(0#,0) _ _)
+--  #define EmptyFM (Branch _ _ IF_GHC(0#,0) _ _)
 
 unitFM key elt = Branch key elt IF_GHC(1#,1) emptyFM emptyFM
 
@@ -222,7 +222,7 @@ addToFM_C combiner (Branch key elt size fm_l fm_r) new_key new_elt
 addListToFM fm key_elt_pairs = addListToFM_C (\ old new -> new) fm key_elt_pairs
 
 addListToFM_C combiner fm key_elt_pairs
-  = foldl add fm key_elt_pairs -- foldl adds from the left
+  = foldl' add fm key_elt_pairs        -- foldl adds from the left
   where
     add fmap (key,elt) = addToFM_C combiner fmap key elt
 \end{code}
@@ -235,7 +235,7 @@ delFromFM (Branch key elt size fm_l fm_r) del_key
        LT -> mkBalBranch key elt (delFromFM fm_l del_key) fm_r
        EQ -> glueBal fm_l fm_r
 
-delListFromFM fm keys = foldl delFromFM fm keys
+delListFromFM fm keys = foldl' delFromFM fm keys
 \end{code}
 
 %************************************************************************
@@ -587,8 +587,6 @@ glueVBal fm_l@(Branch key_l elt_l _ fm_ll fm_lr)
   | otherwise          -- We now need the same two cases as in glueBal above.
   = glueBal fm_l fm_r
   where
-    (mid_key_l,mid_elt_l) = findMax fm_l
-    (mid_key_r,mid_elt_r) = findMin fm_r
     size_l = sizeFM fm_l
     size_r = sizeFM fm_r
 \end{code}
@@ -682,66 +680,70 @@ When the FiniteMap module is used in GHC, we specialise it for
 \tr{Uniques}, for dastardly efficiency reasons.
 
 \begin{code}
-#if __GLASGOW_HASKELL__ && !defined(REALLY_HASKELL_1_3)
+#if 0
+
+#if __GLASGOW_HASKELL__
 
 {-# SPECIALIZE addListToFM
-               :: FiniteMap (FAST_STRING, FAST_STRING) elt -> [((FAST_STRING, FAST_STRING),elt)] -> FiniteMap (FAST_STRING, FAST_STRING) elt
+               :: FiniteMap (FastString, FAST_STRING) elt -> [((FAST_STRING, FAST_STRING),elt)] -> FiniteMap (FAST_STRING, FAST_STRING) elt
                 , FiniteMap RdrName elt -> [(RdrName,elt)] -> FiniteMap RdrName elt
     IF_NCG(COMMA   FiniteMap Reg elt -> [(Reg COMMA elt)] -> FiniteMap Reg elt)
     #-}
 {-# SPECIALIZE addListToFM_C
                :: (elt -> elt -> elt) -> FiniteMap TyCon elt -> [(TyCon,elt)] -> FiniteMap TyCon elt
-                , (elt -> elt -> elt) -> FiniteMap FAST_STRING elt -> [(FAST_STRING,elt)] -> FiniteMap FAST_STRING elt
+                , (elt -> elt -> elt) -> FiniteMap FastString elt -> [(FAST_STRING,elt)] -> FiniteMap FAST_STRING elt
     IF_NCG(COMMA   (elt -> elt -> elt) -> FiniteMap Reg elt -> [(Reg COMMA elt)] -> FiniteMap Reg elt)
     #-}
 {-# SPECIALIZE addToFM
                :: FiniteMap CLabel elt -> CLabel -> elt  -> FiniteMap CLabel elt
-                , FiniteMap FAST_STRING elt -> FAST_STRING -> elt  -> FiniteMap FAST_STRING elt
-                , FiniteMap (FAST_STRING, FAST_STRING) elt -> (FAST_STRING, FAST_STRING) -> elt  -> FiniteMap (FAST_STRING, FAST_STRING) elt
+                , FiniteMap FastString elt -> FAST_STRING -> elt  -> FiniteMap FAST_STRING elt
+                , FiniteMap (FastString, FAST_STRING) elt -> (FAST_STRING, FAST_STRING) -> elt  -> FiniteMap (FAST_STRING, FAST_STRING) elt
                 , FiniteMap RdrName elt -> RdrName -> elt  -> FiniteMap RdrName elt
     IF_NCG(COMMA   FiniteMap Reg elt -> Reg -> elt  -> FiniteMap Reg elt)
     #-}
 {-# SPECIALIZE addToFM_C
                :: (elt -> elt -> elt) -> FiniteMap (RdrName, RdrName) elt -> (RdrName, RdrName) -> elt -> FiniteMap (RdrName, RdrName) elt
-                , (elt -> elt -> elt) -> FiniteMap FAST_STRING elt -> FAST_STRING -> elt -> FiniteMap FAST_STRING elt
+                , (elt -> elt -> elt) -> FiniteMap FastString elt -> FAST_STRING -> elt -> FiniteMap FAST_STRING elt
     IF_NCG(COMMA   (elt -> elt -> elt) -> FiniteMap Reg elt -> Reg -> elt -> FiniteMap Reg elt)
     #-}
 {-# SPECIALIZE bagToFM
-               :: Bag (FAST_STRING,elt) -> FiniteMap FAST_STRING elt
+               :: Bag (FastString,elt) -> FiniteMap FAST_STRING elt
     #-}
 {-# SPECIALIZE delListFromFM
                :: FiniteMap RdrName elt -> [RdrName]   -> FiniteMap RdrName elt
-                , FiniteMap FAST_STRING elt -> [FAST_STRING]   -> FiniteMap FAST_STRING elt
+                , FiniteMap FastString elt -> [FAST_STRING]   -> FiniteMap FAST_STRING elt
     IF_NCG(COMMA   FiniteMap Reg elt -> [Reg]   -> FiniteMap Reg elt)
     #-}
 {-# SPECIALIZE listToFM
                :: [([Char],elt)] -> FiniteMap [Char] elt
-                , [(FAST_STRING,elt)] -> FiniteMap FAST_STRING elt
-                , [((FAST_STRING,FAST_STRING),elt)] -> FiniteMap (FAST_STRING, FAST_STRING) elt
+                , [(FastString,elt)] -> FiniteMap FAST_STRING elt
+                , [((FastString,FAST_STRING),elt)] -> FiniteMap (FAST_STRING, FAST_STRING) elt
     IF_NCG(COMMA   [(Reg COMMA elt)] -> FiniteMap Reg elt)
     #-}
 {-# SPECIALIZE lookupFM
                :: FiniteMap CLabel elt -> CLabel -> Maybe elt
                 , FiniteMap [Char] elt -> [Char] -> Maybe elt
-                , FiniteMap FAST_STRING elt -> FAST_STRING -> Maybe elt
-                , FiniteMap (FAST_STRING,FAST_STRING) elt -> (FAST_STRING,FAST_STRING) -> Maybe elt
+                , FiniteMap FastString elt -> FAST_STRING -> Maybe elt
+                , FiniteMap (FastString,FAST_STRING) elt -> (FAST_STRING,FAST_STRING) -> Maybe elt
                 , FiniteMap RdrName elt -> RdrName -> Maybe elt
                 , FiniteMap (RdrName,RdrName) elt -> (RdrName,RdrName) -> Maybe elt
     IF_NCG(COMMA   FiniteMap Reg elt -> Reg -> Maybe elt)
     #-}
 {-# SPECIALIZE lookupWithDefaultFM
-               :: FiniteMap FAST_STRING elt -> elt -> FAST_STRING -> elt
+               :: FiniteMap FastString elt -> elt -> FAST_STRING -> elt
     IF_NCG(COMMA   FiniteMap Reg elt -> elt -> Reg -> elt)
     #-}
 {-# SPECIALIZE plusFM
                :: FiniteMap RdrName elt -> FiniteMap RdrName elt -> FiniteMap RdrName elt
-                , FiniteMap FAST_STRING elt -> FiniteMap FAST_STRING elt -> FiniteMap FAST_STRING elt
+                , FiniteMap FastString elt -> FiniteMap FAST_STRING elt -> FiniteMap FAST_STRING elt
     IF_NCG(COMMA   FiniteMap Reg elt -> FiniteMap Reg elt -> FiniteMap Reg elt)
     #-}
 {-# SPECIALIZE plusFM_C
-               :: (elt -> elt -> elt) -> FiniteMap FAST_STRING elt -> FiniteMap FAST_STRING elt -> FiniteMap FAST_STRING elt
+               :: (elt -> elt -> elt) -> FiniteMap FastString elt -> FiniteMap FAST_STRING elt -> FiniteMap FAST_STRING elt
     IF_NCG(COMMA   (elt -> elt -> elt) -> FiniteMap Reg elt -> FiniteMap Reg elt -> FiniteMap Reg elt)
     #-}
 
-#endif {- compiling with ghc and have specialiser -}
+#endif /* compiling with ghc and have specialiser */
+
+#endif /* 0 */
 \end{code}