Add string pasting support to the gramamr.

[snipe.git] / codegen / stringifier.sml

diff --git a/codegen/stringifier.sml b/codegen/stringifier.sml
index 5cb2113e75072f683e95f1879ae50f9ea92b29e8..b01beba8809e09ec313c37dbbe8fa8d2ae890d3e 100644 (file)
--- a/codegen/stringifier.sml
+++ b/codegen/stringifier.sml
@@ -1,4 +1,4 @@
-(* L2 compiler
+(* L3 compiler
  * stringifier
  * turns a list of x86 insns into the assembly code to generate them
  * Author: Chris Lu <czl@andrew.cmu.edu>
@@ -6,54 +6,22 @@
 
 signature STRINGIFY =
 sig
-  type asm = x86.insn list
-  val stringify : asm -> string
+  type asm = Blarg.insn list
+  val stringify : (string -> string) -> asm -> string
 end
 
 structure Stringify :> STRINGIFY =
 struct
-  type asm = x86.insn list
-  structure X = x86
+  type asm = Blarg.insn list
+  structure X = Blarg
 
   (* val stringify : asm -> string
    * turns a x86 instruction list into a string of assembly code for these instructions *)
 
-  fun stringify' (X.MOVL   (r1, r2))          = "\tmovl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.SUBL   (r1, r2))          = "\tsubl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.IMUL   (r1, r2))          = "\timul " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.IMUL3  (r1, r2, k))       = "\timul " ^ X.prettyprint_oper (X.CONST k) ^ ", " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.ADDL   (r1, r2))          = "\taddl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.IDIVL  (r1))              = "\tidivl " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.NEG    (r1))              = "\tnegl " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.NOTL   (r1))              = "\tnotl " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.RET)                      = "\tret\n"
-    | stringify' (X.CLTD)                     = "\tcltd\n"
-    | stringify' (X.SALL   (r1, X.REG X.ECX)) = "\tsall %cl, " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.SALL   (r1, X.CONST k))   = "\tsall " ^ X.prettyprint_operb (X.CONST k) ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.SALL   _)                 = raise ErrorMsg.InternalError "Invalid operand generated for SALL"
-    | stringify' (X.SARL   (r1, X.REG X.ECX)) = "\tsarl %cl, " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.SARL   (r1, X.CONST k))   = "\tsarl " ^ X.prettyprint_operb (X.CONST k) ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.SARL   _)                 = raise ErrorMsg.InternalError "Invalid operand generated for SARL"
-    | stringify' (X.ANDL   (r1, r2))          = "\tandl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.ORL    (r1, r2))          = "\torl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.XORL   (r1, r2))          = "\txorl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.CMPL   (r1, r2))          = "\tcmpl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.TEST   (r1, r2))          = "\ttest " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.SETNE  (r1))              = "\tsetne " ^ X.prettyprint_operb r1 ^ "\n"
-    | stringify' (X.SETE   (r1))              = "\tsete " ^ X.prettyprint_operb r1 ^ "\n"
-    | stringify' (X.SETLE  (r1))              = "\tsetle " ^ X.prettyprint_operb r1 ^ "\n"
-    | stringify' (X.SETL   (r1))              = "\tsetl " ^ X.prettyprint_operb r1 ^ "\n"
-    | stringify' (X.SETGE  (r1))              = "\tsetge " ^ X.prettyprint_operb r1 ^ "\n"
-    | stringify' (X.SETG   (r1))              = "\tsetg " ^ X.prettyprint_operb r1 ^ "\n"
-    | stringify' (X.MOVZBL (r1, r2))          = "\tmovzbl " ^ X.prettyprint_operb r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
-    | stringify' (X.DIRECTIVE(s))             = s ^ "\n"
-    | stringify' (X.COMMENT(s))               = "\t// " ^ s ^ "\n"
-    | stringify' (X.LABEL  l)                 = Label.name l ^ ":\n"
-    | stringify' (X.JMP    l)                 = "\tjmp " ^ Label.name l ^ "\n"
-    | stringify' (X.JE     l)                 = "\tje " ^ Label.name l ^ "\n"
-    | stringify' (X.JNE    l)                 = "\tjne " ^ Label.name l ^ "\n"
+  fun stringify' rn (X.INSN (pred, X.MOVSYM (r, n))) = X.print (X.INSN (pred, X.MOVSYM (r, (Symbol.symbol (rn (Symbol.name n))))))
+    | stringify' rn x = X.print x
 
   (* val stringify : asm -> string *)
-  fun stringify l = foldr (fn (a,b) => (stringify' a) ^ b) ("") l
+  fun stringify realname l = String.concat (List.map (stringify' realname) l)
 
 end