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[smlnj] View of /sml/trunk/src/MLRISC/gc-safety/gc-map.sml
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View of /sml/trunk/src/MLRISC/gc-safety/gc-map.sml

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Revision 733 - (download) (annotate)
Fri Nov 17 05:13:45 2000 UTC (19 years ago) by blume
File size: 668 byte(s)
merged the big housecleaning patch (see HISTORY!)
functor GCMap(GC : GC_TYPE) : GC_MAP =
struct

   structure GC = GC
   exception GCMap
   type gcmap = GC.gctype IntHashTable.hash_table

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

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

   fun pr(r,gc) = "r"^Int.toString 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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