X-Git-Url: http://git.joshuawise.com/snipe.git/blobdiff_plain/0a24e44d4e9f82f8d3d83de8e58c83c8cf2868b6..a644da892dbd55a7be1aed029dafebe28d26d27e:/codegen/stringifier.sml?ds=sidebyside diff --git a/codegen/stringifier.sml b/codegen/stringifier.sml index 5cb2113..b01beba 100644 --- 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 @@ -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