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[smlnj] View of /MLRISC/releases/release-110.64/gc-safety/gc-map.sml
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View of /MLRISC/releases/release-110.64/gc-safety/gc-map.sml

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Revision 744 - (download) (annotate)
Fri Dec 8 04:11:42 2000 UTC (18 years, 9 months ago) by leunga
Original Path: sml/trunk/src/MLRISC/gc-safety/gc-map.sml
File size: 713 byte(s)

   A CVS update record!

   Changed type cell from int to datatype, and numerous other changes.
   Affect every client of MLRISC.  Lal says this can be bootstrapped on all
   machines.  See smlnj/HISTORY for details.

   Tag:  leunga-20001207-cell-monster-hack
functor GCMap(GC : GC_TYPE) : GC_MAP =
struct
   structure C = CellsBasis
   structure GC = GC
   exception GCMap

   type gcmap = GC.gctype C.HashTable.hash_table

   val GCMAP = Annotations.new(SOME(fn _ => "gcmap")) 
                 : gcmap Annotations.property

   fun toString gcmap =
   let val lookup = C.HashTable.lookup gcmap
       fun f r = "{" ^ GC.toString(lookup r)^ "}" handle _ => "{?}"
   in  f end

   fun pr(r,gc) = "r" ^ Int.toString(C.cellId r) ^ ":" ^ GC.toString gc
   fun prSet S = "{"^foldr (fn (x,"") => pr x | (x,y) => pr x^","^y) "" S^"}"

   val GCLIVEIN  = Annotations.new(SOME(fn S => "livein: "^prSet S))
   val GCLIVEOUT = Annotations.new(SOME(fn S => "liveout: "^prSet S))

end

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