[project @ 2004-08-13 13:04:50 by simonmar]

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

diff --git a/ghc/compiler/basicTypes/Unique.lhs b/ghc/compiler/basicTypes/Unique.lhs
index 9f5109f..dbfc12a 100644 (file)
--- a/ghc/compiler/basicTypes/Unique.lhs
+++ b/ghc/compiler/basicTypes/Unique.lhs
@@ -41,7 +41,10 @@ module Unique (
        mkPArrDataConUnique,
 
        mkBuiltinUnique,
-       mkPseudoUnique3
+       mkPseudoUniqueC,
+       mkPseudoUniqueD,
+       mkPseudoUniqueE,
+       mkPseudoUniqueH
     ) where
 
 #include "HsVersions.h"
@@ -255,13 +258,22 @@ iToBase62 n@(I# n#)
 
 Allocation of unique supply characters:
        v,t,u : for renumbering value-, type- and usage- vars.
-       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
 
+       other a-z: lower case chars for unique supplies.  Used so far:
+
+       d       desugarer
+       f       AbsC flattener
+       g       SimplStg
+       l       ndpFlatten
+       n       Native codegen
+       r       Hsc name cache
+       s       simplifier
+
 \begin{code}
 mkAlphaTyVarUnique i            = mkUnique '1' i
 
@@ -303,15 +315,13 @@ mkPArrDataConUnique a             = mkUnique ':' (2*a)
 initTyVarUnique :: Unique
 initTyVarUnique = mkUnique 't' 0
 
-mkPseudoUnique1, mkPseudoUnique2, mkPseudoUnique3, 
+mkPseudoUniqueC, mkPseudoUniqueD, mkPseudoUniqueE, mkPseudoUniqueH,
    mkBuiltinUnique :: Int -> Unique
 
-builtinUniques :: [Unique]
-builtinUniques = map mkBuiltinUnique [1..]
-
 mkBuiltinUnique i = mkUnique 'B' i
-mkPseudoUnique1 i = mkUnique 'C' i -- used for getUnique on Regs
-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
+mkPseudoUniqueC i = mkUnique 'C' i -- used for getUnique on Regs
+mkPseudoUniqueD i = mkUnique 'D' i -- used in NCG for getUnique on RealRegs
+mkPseudoUniqueE i = mkUnique 'E' i -- used in NCG spiller to create spill VirtualRegs
+mkPseudoUniqueH i = mkUnique 'H' i -- used in NCG spiller to create spill VirtualRegs
 \end{code}