\begin{code}
module Unique (
- Unique, Uniquable(..),
+ Unique, Uniquable(..), hasKey,
u2i, -- hack: used in UniqFM
pprUnique, pprUnique10,
getKey, -- Used in Var only!
incrUnique, -- Used for renumbering
+ deriveUnique, -- Ditto
initTyVarUnique,
initTidyUniques,
+ isTupleKey,
+
-- now all the built-in Uniques (and functions to make them)
-- [the Oh-So-Wonderful Haskell module system wins again...]
mkAlphaTyVarUnique,
mkPrimOpIdUnique,
mkTupleDataConUnique,
- mkUbxTupleDataConUnique,
mkTupleTyConUnique,
- mkUbxTupleTyConUnique,
getBuiltinUniques, mkBuiltinUnique,
mkPseudoUnique1, mkPseudoUnique2, mkPseudoUnique3,
arrayPrimTyConKey,
assertIdKey,
augmentIdKey,
+ bcoPrimTyConKey,
bindIOIdKey,
boolTyConKey,
boundedClassKey,
ordClassKey,
orderingTyConKey,
otherwiseIdKey,
- packCStringIdKey,
parErrorIdKey,
parIdKey,
patErrorIdKey,
recConErrorIdKey,
recSelErrIdKey,
recUpdErrorIdKey,
+ returnIOIdKey,
returnMClassOpKey,
+ runSTRepIdKey,
showClassKey,
ioTyConKey,
ioDataConKey,
trueDataConKey,
unboundKey,
unboxedConKey,
- unpackCString2IdKey,
+ unpackCStringUtf8IdKey,
unpackCStringAppendIdKey,
unpackCStringFoldrIdKey,
unpackCStringIdKey,
#include "HsVersions.h"
+import BasicTypes ( Boxity(..) )
import FastString ( FastString, uniqueOfFS )
import GlaExts
import ST
getKey :: Unique -> Int# -- for Var
incrUnique :: Unique -> Unique
+deriveUnique :: Unique -> Int -> Unique
+
+isTupleKey :: Unique -> Bool
\end{code}
incrUnique (MkUnique i) = MkUnique (i +# 1#)
+-- deriveUnique uses an 'X' tag so that it won't clash with
+-- any of the uniques produced any other way
+deriveUnique (MkUnique i) delta = mkUnique 'X' (I# i + delta)
+
-- pop the Char in the top 8 bits of the Unique(Supply)
-- No 64-bit bugs here, as long as we have at least 32 bits. --JSM
i2w_s x = (x::Int#)
mkUnique (C# c) (I# i)
- = MkUnique (w2i (((i2w (ord# c)) `shiftL#` (i2w_s 24#)) `or#` (i2w i)))
+ = MkUnique (w2i (tag `or#` bits))
+ where
+ tag = i2w (ord# c) `shiftL#` i2w_s 24#
+ bits = i2w i `and#` (i2w 16777215#){-``0x00ffffff''-}
unpkUnique (MkUnique u)
= let
tag = C# (chr# (w2i ((i2w u) `shiftr` (i2w_s 24#))))
- i = I# (w2i ((i2w u) `and#` (i2w 16777215#){-``0x00ffffff''-}))
+ i = I# (w2i ((i2w u) `and#` (i2w 16777215#){-``0x00ffffff''-}))
in
(tag, i)
where
class Uniquable a where
getUnique :: a -> Unique
+hasKey :: Uniquable a => a -> Unique -> Bool
+x `hasKey` k = getUnique x == k
+
instance Uniquable FastString where
getUnique fs = mkUniqueGrimily (uniqueOfFS fs)
iToBase62 n@(I# n#)
= ASSERT(n >= 0)
let
+#if __GLASGOW_HASKELL__ < 405
bytes = case chars62 of { BYTE_ARRAY bounds_who_needs_'em bytes -> bytes }
+#else
+ bytes = case chars62 of { BYTE_ARRAY _ _ bytes -> bytes }
+#endif
in
if n# <# 62# then
case (indexCharArray# bytes n#) of { c ->
other a-z: lower case chars for unique supplies (see Main.lhs)
B: builtin
C-E: pseudo uniques (used in native-code generator)
+ X: uniques derived by deriveUnique
_: unifiable tyvars (above)
0-9: prelude things below
mkPreludeClassUnique i = mkUnique '2' i
mkPreludeTyConUnique i = mkUnique '3' i
-mkTupleTyConUnique a = mkUnique '4' a
-mkUbxTupleTyConUnique a = mkUnique '5' a
+mkTupleTyConUnique Boxed a = mkUnique '4' a
+mkTupleTyConUnique Unboxed a = mkUnique '5' a
-mkPreludeDataConUnique i = mkUnique '6' i -- must be alphabetic
-mkTupleDataConUnique a = mkUnique '7' a -- ditto (*may* be used in C labels)
-mkUbxTupleDataConUnique a = mkUnique '8' a
+-- Data constructor keys occupy *two* slots. The first is used for the
+-- data constructor itself and its wrapper function (the function that
+-- evaluates arguments as necessary and calls the worker). The second is
+-- used for the worker function (the function that builds the constructor
+-- representation).
+
+mkPreludeDataConUnique i = mkUnique '6' (2*i) -- Must be alphabetic
+mkTupleDataConUnique Boxed a = mkUnique '7' (2*a) -- ditto (*may* be used in C labels)
+mkTupleDataConUnique Unboxed a = mkUnique '8' (2*a)
+
+-- This one is used for a tiresome reason
+-- to improve a consistency-checking error check in the renamer
+isTupleKey u = case unpkUnique u of
+ (tag,_) -> tag == '4' || tag == '5' || tag == '7' || tag == '8'
mkPrimOpIdUnique op = mkUnique '9' op
mkPreludeMiscIdUnique i = mkUnique '0' i
initTidyUniques :: (Unique, Unique) -- Global and local
initTidyUniques = (mkUnique 'g' 0, mkUnique 'x' 0)
-mkPseudoUnique1, mkPseudoUnique2, mkPseudoUnique3,
- mkBuiltinUnique :: Int -> Unique
+mkPseudoUnique1, mkPseudoUnique2, mkPseudoUnique3,
+ mkBuiltinUnique :: Int -> Unique
mkBuiltinUnique i = mkUnique 'B' i
mkPseudoUnique1 i = mkUnique 'C' i -- used for getUnique on Regs
-mkPseudoUnique2 i = mkUnique 'D' i -- ditto
-mkPseudoUnique3 i = mkUnique 'E' i -- ditto
+mkPseudoUnique2 i = mkUnique 'D' i -- used in NCG for getUnique on RealRegs
+mkPseudoUnique3 i = mkUnique 'E' i -- used in NCG spiller to create spill VirtualRegs
+
+
getBuiltinUniques :: Int -> [Unique]
getBuiltinUniques n = map (mkUnique 'B') [1 .. n]
boxityConKey = mkPreludeTyConUnique 68
typeConKey = mkPreludeTyConUnique 69
threadIdPrimTyConKey = mkPreludeTyConUnique 70
+bcoPrimTyConKey = mkPreludeTyConUnique 71
\end{code}
%************************************************************************
%************************************************************************
\begin{code}
-addrDataConKey = mkPreludeDataConUnique 1
-charDataConKey = mkPreludeDataConUnique 2
-consDataConKey = mkPreludeDataConUnique 3
-doubleDataConKey = mkPreludeDataConUnique 4
-falseDataConKey = mkPreludeDataConUnique 5
-floatDataConKey = mkPreludeDataConUnique 6
-intDataConKey = mkPreludeDataConUnique 7
-smallIntegerDataConKey = mkPreludeDataConUnique 12
-largeIntegerDataConKey = mkPreludeDataConUnique 13
-foreignObjDataConKey = mkPreludeDataConUnique 14
-nilDataConKey = mkPreludeDataConUnique 15
-ratioDataConKey = mkPreludeDataConUnique 16
-stablePtrDataConKey = mkPreludeDataConUnique 17
-stableNameDataConKey = mkPreludeDataConUnique 18
-trueDataConKey = mkPreludeDataConUnique 34
-wordDataConKey = mkPreludeDataConUnique 35
-stDataConKey = mkPreludeDataConUnique 40
-ioDataConKey = mkPreludeDataConUnique 42
+addrDataConKey = mkPreludeDataConUnique 0
+charDataConKey = mkPreludeDataConUnique 1
+consDataConKey = mkPreludeDataConUnique 2
+doubleDataConKey = mkPreludeDataConUnique 3
+falseDataConKey = mkPreludeDataConUnique 4
+floatDataConKey = mkPreludeDataConUnique 5
+intDataConKey = mkPreludeDataConUnique 6
+smallIntegerDataConKey = mkPreludeDataConUnique 7
+largeIntegerDataConKey = mkPreludeDataConUnique 8
+foreignObjDataConKey = mkPreludeDataConUnique 9
+nilDataConKey = mkPreludeDataConUnique 10
+ratioDataConKey = mkPreludeDataConUnique 11
+stablePtrDataConKey = mkPreludeDataConUnique 12
+stableNameDataConKey = mkPreludeDataConUnique 13
+trueDataConKey = mkPreludeDataConUnique 14
+wordDataConKey = mkPreludeDataConUnique 15
+stDataConKey = mkPreludeDataConUnique 16
+ioDataConKey = mkPreludeDataConUnique 17
\end{code}
%************************************************************************
lexIdKey = mkPreludeMiscIdUnique 16
noMethodBindingErrorIdKey = mkPreludeMiscIdUnique 17
nonExhaustiveGuardsErrorIdKey = mkPreludeMiscIdUnique 18
-packCStringIdKey = mkPreludeMiscIdUnique 19
parErrorIdKey = mkPreludeMiscIdUnique 20
parIdKey = mkPreludeMiscIdUnique 21
patErrorIdKey = mkPreludeMiscIdUnique 22
recConErrorIdKey = mkPreludeMiscIdUnique 24
recUpdErrorIdKey = mkPreludeMiscIdUnique 25
traceIdKey = mkPreludeMiscIdUnique 26
-unpackCString2IdKey = mkPreludeMiscIdUnique 27
+unpackCStringUtf8IdKey = mkPreludeMiscIdUnique 27
unpackCStringAppendIdKey = mkPreludeMiscIdUnique 28
unpackCStringFoldrIdKey = mkPreludeMiscIdUnique 29
unpackCStringIdKey = mkPreludeMiscIdUnique 30
filterIdKey = mkPreludeMiscIdUnique 34
zipIdKey = mkPreludeMiscIdUnique 35
bindIOIdKey = mkPreludeMiscIdUnique 36
-deRefStablePtrIdKey = mkPreludeMiscIdUnique 37
-makeStablePtrIdKey = mkPreludeMiscIdUnique 38
-getTagIdKey = mkPreludeMiscIdUnique 39
+returnIOIdKey = mkPreludeMiscIdUnique 37
+deRefStablePtrIdKey = mkPreludeMiscIdUnique 38
+makeStablePtrIdKey = mkPreludeMiscIdUnique 39
+getTagIdKey = mkPreludeMiscIdUnique 40
\end{code}
Certain class operations from Prelude classes. They get their own
\begin{code}
assertIdKey = mkPreludeMiscIdUnique 121
+runSTRepIdKey = mkPreludeMiscIdUnique 122
\end{code}
projects / ghc-hetmet.git / blobdiff