Propagate strings through the blarg backend.

[snipe.git] / trans / treeutils.sml

diff --git a/trans/treeutils.sml b/trans/treeutils.sml
index b5217b0b4bdb7a350cc6dd2c59b653fbdddeac82..a15b1a31f06195dc89f1d646809c2db896d906a9 100644 (file)
--- a/trans/treeutils.sml
+++ b/trans/treeutils.sml
@@ -28,12 +28,13 @@ struct
     | effect (T.UNOP (_, a)) = effect a
     | effect (T.MEMORY _) = true
     | effect (T.ALLOC _) = true
     | effect (T.UNOP (_, a)) = effect a
     | effect (T.MEMORY _) = true
     | effect (T.ALLOC _) = true

+    | effect (T.STRING _) = false

     | effect (T.COND (a, b, c)) = (effect a) orelse (effect b) orelse (effect c)
     | effect (T.STMVAR (sl, e)) = true (* Has to be, to be safe <--- jwise is an assclown, he was too lazy to write a effect_stm *)
     | effect (T.NULLPTR) = false
 
   fun effect_stm (T.MOVE (e1,e2)) = effect e1 orelse effect e2
     | effect (T.COND (a, b, c)) = (effect a) orelse (effect b) orelse (effect c)
     | effect (T.STMVAR (sl, e)) = true (* Has to be, to be safe <--- jwise is an assclown, he was too lazy to write a effect_stm *)
     | effect (T.NULLPTR) = false
 
   fun effect_stm (T.MOVE (e1,e2)) = effect e1 orelse effect e2

-    | effect_stm (T.RETURN (e1,e2)) = effect e1 orelse effect e1
+    | effect_stm (T.RETURN (e1)) = effect e1

     | effect_stm (T.EFFECT e) = effect e
     | effect_stm (T.JUMPIFN (e,_)) = effect e
     | effect_stm _ = false
     | effect_stm (T.EFFECT e) = effect e
     | effect_stm (T.JUMPIFN (e,_)) = effect e
     | effect_stm _ = false


@@ -68,22 +69,23 @@ struct
 
     fun pp_exp (T.CONST(x)) = Word32Signed.toString x
       | pp_exp (T.TEMP(t)) = Temp.name t
 
     fun pp_exp (T.CONST(x)) = Word32Signed.toString x
       | pp_exp (T.TEMP(t)) = Temp.name t

-      | pp_exp (T.ARG(n, sz)) = "arg#"^Int.toString n
+      | pp_exp (T.ARG(n)) = "arg#"^Int.toString n

       | pp_exp (T.BINOP (binop, e1, e2)) =
          "(" ^ pp_exp e1 ^ " " ^ pp_binop binop ^ " " ^ pp_exp e2 ^ ")"
       | pp_exp (T.UNOP (unop, e1)) =
           pp_unop unop ^ "(" ^ pp_exp e1 ^ ")"
       | pp_exp (T.BINOP (binop, e1, e2)) =
          "(" ^ pp_exp e1 ^ " " ^ pp_binop binop ^ " " ^ pp_exp e2 ^ ")"
       | pp_exp (T.UNOP (unop, e1)) =
           pp_unop unop ^ "(" ^ pp_exp e1 ^ ")"

-      | pp_exp (T.CALL (f, l, sz)) =
-          Symbol.name f ^ "(" ^ (String.concatWith ", " (List.map (fn (e, _) => pp_exp e) l)) ^ ")"
-      | pp_exp (T.MEMORY (exp, sz)) = "M(" ^ Temp.sfx sz ^ ")[" ^ pp_exp exp ^ "]"
+      | pp_exp (T.CALL (f, l)) =
+          Symbol.name f ^ "(" ^ (String.concatWith ", " (List.map (fn e => pp_exp e) l)) ^ ")"
+      | pp_exp (T.MEMORY (exp)) = "M[" ^ pp_exp exp ^ "]"

       | pp_exp (T.ALLOC(e)) = "NEW(" ^ pp_exp e ^ ")"
       | pp_exp (T.ALLOC(e)) = "NEW(" ^ pp_exp e ^ ")"

+      | pp_exp (T.STRING(s)) = "STRING(" ^ (Stringref.name s) ^ ")"

       | pp_exp (T.COND(c,e1,e2)) = "(" ^ pp_exp c ^ ") ? (" ^ pp_exp e1 ^ ") : (" ^ pp_exp e2 ^ ")"
       | pp_exp (T.STMVAR(sl,v)) = "({" ^ (foldr (fn (st,s) => (pp_stm st) ^ "; " ^ s) "" sl) ^ (pp_exp v) ^ "})"
       | pp_exp (T.NULLPTR) = "NULL"
 
     and pp_stm (T.MOVE (e1,e2)) =
          pp_exp e1 ^ "  <--  " ^ pp_exp e2
       | pp_exp (T.COND(c,e1,e2)) = "(" ^ pp_exp c ^ ") ? (" ^ pp_exp e1 ^ ") : (" ^ pp_exp e2 ^ ")"
       | pp_exp (T.STMVAR(sl,v)) = "({" ^ (foldr (fn (st,s) => (pp_stm st) ^ "; " ^ s) "" sl) ^ (pp_exp v) ^ "})"
       | pp_exp (T.NULLPTR) = "NULL"
 
     and pp_stm (T.MOVE (e1,e2)) =
          pp_exp e1 ^ "  <--  " ^ pp_exp e2

-      | pp_stm (T.RETURN (e, sz)) =
+      | pp_stm (T.RETURN (e)) =

          "return " ^ pp_exp e
       | pp_stm (T.EFFECT e) = pp_exp e
       | pp_stm (T.LABEL l) =
          "return " ^ pp_exp e
       | pp_stm (T.EFFECT e) = pp_exp e
       | pp_stm (T.LABEL l) =