sig
type temp
- val reset : unit -> unit (* resets temp numbering *)
- val new : string -> int -> temp (* returns a unique new temp *)
- val name : temp -> string (* returns the name of a temp *)
- val size : temp -> int (* returns the size of a temp *)
+ val reset : unit -> unit (* resets temp numbering *)
+ val new : string -> temp (* returns a unique new temp *)
+ val name : temp -> string (* returns the name of a temp *)
val compare : temp * temp -> order (* comparison function *)
val eq : temp * temp -> bool
end
structure Temp :> TEMP =
struct
- type temp = int * string * int
+ type temp = int * string
local
val counter = ref 1
in
(* warning: calling reset() may jeopardize uniqueness of temps! *)
fun reset () = ( counter := 1 )
- fun new str size = (!counter, str, size) before ( counter := !counter + 1 )
+ fun new str = (!counter, str) before ( counter := !counter + 1 )
end
- fun name (t,s, sz) = "+t" ^ Int.toString t ^ "[" ^ s ^ "]"
- fun size (t, s, sz) = sz
- fun compare ((t1,_,_),(t2,_,_)) = Int.compare (t1,t2)
+ fun name (t,s) = "+t" ^ Int.toString t ^ "[" ^ s ^ "]"
+ fun compare ((t1,_),(t2,_)) = Int.compare (t1,t2)
- fun eq ((t1,_,_), (t2,_,_)) = t1 = t2
+ fun eq ((t1,_), (t2,_)) = t1 = t2
end