X-Git-Url: http://git.joshuawise.com/snipe.git/blobdiff_plain/0a24e44d4e9f82f8d3d83de8e58c83c8cf2868b6..a644da892dbd55a7be1aed029dafebe28d26d27e:/trans/temp.sml

diff --git a/trans/temp.sml b/trans/temp.sml
index 13411f1..68de49c 100644
--- a/trans/temp.sml
+++ b/trans/temp.sml
@@ -1,4 +1,4 @@
-(* L2 Compiler
+(* L3 Compiler
  * Temporaries
  * Author: Kaustuv Chaudhuri <kaustuv+@cs.cmu.edu>
  * Modified: Alex Vaynberg <alv@andrew.cmu.edu>
@@ -9,25 +9,27 @@ signature TEMP =
 sig
   type temp
 
-  val reset : unit -> unit	(* resets temp numbering *)
-  val new : unit -> temp	(* returns a unique new temp *)
-  val name : temp -> string	(* returns the name 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
+  type temp = int * string
 
   local
     val counter = ref 1
   in
     (* warning: calling reset() may jeopardize uniqueness of temps! *)
     fun reset () = ( counter := 1 )
-    fun new () = !counter before ( counter := !counter + 1 )
+    fun new str = (!counter, str) before ( counter := !counter + 1 )
   end
 
-  fun name t = "+t" ^ Int.toString t
-		      
-  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
 end