[project @ 1997-06-18 23:52:36 by simonpj]

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

diff --git a/ghc/compiler/basicTypes/Unique.lhs b/ghc/compiler/basicTypes/Unique.lhs
index a482b68..a25498b 100644 (file)
--- a/ghc/compiler/basicTypes/Unique.lhs
+++ b/ghc/compiler/basicTypes/Unique.lhs
@@ -114,6 +114,7 @@ module Unique (
        listTyConKey,
        ltDataConKey,
        mainKey, mainPrimIoKey,
+       minusClassOpKey,
        monadClassKey,
        monadPlusClassKey,
        monadZeroClassKey,
@@ -127,6 +128,7 @@ module Unique (
        numClassKey,
        ordClassKey,
        orderingTyConKey,
+       otherwiseIdKey,
        packCStringIdKey,
        parErrorIdKey,
        parIdKey,
@@ -148,6 +150,7 @@ module Unique (
        return2GMPsTyConKey,
        returnIntAndGMPDataConKey,
        returnIntAndGMPTyConKey,
+       returnMClassOpKey,
        runSTIdKey,
        seqIdKey,
        showClassKey,
@@ -192,6 +195,7 @@ module Unique (
        stateTyConKey,
        synchVarPrimTyConKey,
        thenMClassOpKey,
+       toEnumClassOpKey,
        traceIdKey,
        trueDataConKey,
        unpackCString2IdKey,
@@ -215,12 +219,28 @@ module Unique (
        , parGlobalIdKey
        , parLocalIdKey
        , unboundKey
+       , byteArrayTyConKey
+       , mutableByteArrayTyConKey
+       , allClassKey
     ) where
 
+#if __GLASGOW_HASKELL__ <= 201
 import PreludeGlaST
+#else
+import GlaExts
+import ST
+#if __GLASGOW_HASKELL__ == 202
+import PrelBase ( Char(..) )
+#endif
+#endif
 
 IMP_Ubiq(){-uitous-}
 
+#if __GLASGOW_HASKELL__ >= 202
+import {-# SOURCE #-} UniqFM ( Uniquable(..) )
+#endif
+
+import Outputable
 import Pretty
 import Util
 \end{code}
@@ -319,7 +339,7 @@ instance Uniquable Unique where
 
 We do sometimes make strings with @Uniques@ in them:
 \begin{code}
-pprUnique, pprUnique10 :: Unique -> Pretty
+pprUnique, pprUnique10 :: Unique -> Doc
 
 pprUnique uniq
   = case unpkUnique uniq of
@@ -327,24 +347,24 @@ pprUnique uniq
 
 pprUnique10 uniq       -- in base-10, dudes
   = case unpkUnique uniq of
-      (tag, u) -> finish_ppr tag u (ppInt u)
+      (tag, u) -> finish_ppr tag u (int u)
 
 finish_ppr tag u pp_u
   = if tag /= 't' -- this is just to make v common tyvars, t1, t2, ...
                  -- come out as a, b, ... (shorter, easier to read)
     then pp_all
     else case u of
-          1 -> ppChar 'a'
-          2 -> ppChar 'b'
-          3 -> ppChar 'c'
-          4 -> ppChar 'd'
-          5 -> ppChar 'e'
+          1 -> char 'a'
+          2 -> char 'b'
+          3 -> char 'c'
+          4 -> char 'd'
+          5 -> char 'e'
           _ -> pp_all
   where
-    pp_all = ppBeside (ppChar tag) pp_u
+    pp_all = (<>) (char tag) pp_u
 
 showUnique :: Unique -> FAST_STRING
-showUnique uniq = _PK_ (ppShow 80 (pprUnique uniq))
+showUnique uniq = _PK_ (show (pprUnique uniq))
 
 instance Outputable Unique where
     ppr sty u = pprUnique u
@@ -363,12 +383,18 @@ A character-stingy way to read/write numbers (notably Uniques).
 The ``62-its'' are \tr{[0-9a-zA-Z]}.  We don't handle negative Ints.
 Code stolen from Lennart.
 \begin{code}
-#if __GLASGOW_HASKELL__ >= 200
+#if __GLASGOW_HASKELL__ == 201
 # define BYTE_ARRAY GHCbase.ByteArray
 # define RUN_ST            GHCbase.runST
 # define AND_THEN   >>=
 # define AND_THEN_  >>
 # define RETURN            return
+#elif __GLASGOW_HASKELL__ >= 202
+# define BYTE_ARRAY GlaExts.ByteArray
+# define RUN_ST            ST.runST
+# define AND_THEN   >>=
+# define AND_THEN_  >>
+# define RETURN            return
 #else
 # define BYTE_ARRAY _ByteArray
 # define RUN_ST            _runST
@@ -377,7 +403,7 @@ Code stolen from Lennart.
 # define RETURN            returnStrictlyST
 #endif
 
-iToBase62 :: Int -> Pretty
+iToBase62 :: Int -> Doc
 
 iToBase62 n@(I# n#)
   = ASSERT(n >= 0)
@@ -386,11 +412,11 @@ iToBase62 n@(I# n#)
     in
     if n# <# 62# then
        case (indexCharArray# bytes n#) of { c ->
-       ppChar (C# c) }
+       char (C# c) }
     else
        case (quotRem n 62)             of { (q, I# r#) ->
        case (indexCharArray# bytes r#) of { c  ->
-       ppBeside (iToBase62 q) (ppChar (C# c)) }}
+       (<>) (iToBase62 q) (char (C# c)) }}
 
 -- keep this at top level! (bug on 94/10/24 WDP)
 chars62 :: BYTE_ARRAY Int
@@ -481,6 +507,7 @@ cCallableClassKey   = mkPreludeClassUnique 19
 cReturnableClassKey    = mkPreludeClassUnique 20
 
 ixClassKey             = mkPreludeClassUnique 21
+allClassKey            = mkPreludeClassUnique 22       -- Pseudo class used for universal quantification
 \end{code}
 
 %************************************************************************
@@ -537,10 +564,10 @@ stateAndStablePtrPrimTyConKey             = mkPreludeTyConUnique 45
 stateAndWordPrimTyConKey               = mkPreludeTyConUnique 46
 statePrimTyConKey                      = mkPreludeTyConUnique 47
 stateTyConKey                          = mkPreludeTyConUnique 48
-                                                               -- 49 is spare
+mutableByteArrayTyConKey               = mkPreludeTyConUnique 49
 stTyConKey                             = mkPreludeTyConUnique 50
 primIoTyConKey                         = mkPreludeTyConUnique 51
-                                                               -- 52 is spare
+byteArrayTyConKey                      = mkPreludeTyConUnique 52
 wordPrimTyConKey                       = mkPreludeTyConUnique 53
 wordTyConKey                           = mkPreludeTyConUnique 54
 voidTyConKey                           = mkPreludeTyConUnique 55
@@ -658,6 +685,7 @@ to conjure them up during type checking.
 \begin{code}                                     
 fromIntClassOpKey      = mkPreludeMiscIdUnique 53
 fromIntegerClassOpKey  = mkPreludeMiscIdUnique 54
+minusClassOpKey                = mkPreludeMiscIdUnique 69
 fromRationalClassOpKey = mkPreludeMiscIdUnique 55
 enumFromClassOpKey     = mkPreludeMiscIdUnique 56
 enumFromThenClassOpKey = mkPreludeMiscIdUnique 57
@@ -673,4 +701,8 @@ fromEnumClassOpKey  = mkPreludeMiscIdUnique 65
 
 mainKey                        = mkPreludeMiscIdUnique 66
 mainPrimIoKey          = mkPreludeMiscIdUnique 67
+returnMClassOpKey      = mkPreludeMiscIdUnique 68
+-- Used for minusClassOp                       69
+otherwiseIdKey         = mkPreludeMiscIdUnique 70
+toEnumClassOpKey       = mkPreludeMiscIdUnique 71
 \end{code}