diff options
| author |  Adam Chlipala <adamc@hcoop.net> | 2008-07-10 15:58:16 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-07-10 15:58:16 -0400 |
| commit | 58947e1d10547d4ecc40c41f2466605e0acfd601 (patch) | |
| tree | c0c63ec819801f31e17053df205c20eacbe76848 /src/mono_opt.sml | |
| parent | 0e95aa2c802d0a4fa54ebf985133eb2584a1d9ba (diff) | |
Optimizing attrification of constants
Diffstat (limited to 'src/mono_opt.sml')
| -rw-r--r-- | src/mono_opt.sml | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/mono_opt.sml b/src/mono_opt.sml index 30b462bf..11e0acef 100644 --- a/src/mono_opt.sml +++ b/src/mono_opt.sml @@ -33,6 +33,24 @@ structure U = MonoUtil fun typ t = t fun decl d = d +fun attrifyInt n = + if n < 0 then + "-" ^ Int64.toString (Int64.~ n) + else + Int64.toString n + +fun attrifyFloat n = + if n < 0.0 then + "-" ^ Real.toString (Real.~ n) + else + Real.toString n + +val attrifyString = String.translate (fn #"\"" => """ + | ch => if Char.isPrint ch then + str ch + else + "&#" ^ Int.toString (ord ch) ^ ";") + fun exp e = case e of EPrim (Prim.String s) => @@ -85,10 +103,24 @@ fun exp e = ESeq ((optExp (EWrite e1, loc), loc), (optExp (EWrite e2, loc), loc)) + | EFfiApp ("Basis", "attrifyInt", [(EPrim (Prim.Int n), _)]) => + EPrim (Prim.String (attrifyInt n)) + | EWrite (EFfiApp ("Basis", "attrifyInt", [(EPrim (Prim.Int n), _)]), loc) => + EWrite (EPrim (Prim.String (attrifyInt n)), loc) | EWrite (EFfiApp ("Basis", "attrifyInt", [e]), _) => EFfiApp ("Basis", "attrifyInt_w", [e]) + + | EFfiApp ("Basis", "attrifyFloat", [(EPrim (Prim.Float n), _)]) => + EPrim (Prim.String (attrifyFloat n)) + | EWrite (EFfiApp ("Basis", "attrifyFloat", [(EPrim (Prim.Float n), _)]), loc) => + EWrite (EPrim (Prim.String (attrifyFloat n)), loc) | EWrite (EFfiApp ("Basis", "attrifyFloat", [e]), _) => EFfiApp ("Basis", "attrifyFloat_w", [e]) + + | EFfiApp ("Basis", "attrifyString", [(EPrim (Prim.String s), _)]) => + EPrim (Prim.String (attrifyString s)) + | EWrite (EFfiApp ("Basis", "attrifyString", [(EPrim (Prim.String s), _)]), loc) => + EWrite (EPrim (Prim.String (attrifyString s)), loc) | EWrite (EFfiApp ("Basis", "attrifyString", [e]), _) => EFfiApp ("Basis", "attrifyString_w", [e]) |