Mercurial > urweb
diff src/mono_opt.sml @ 253:7f6620853c36
Monoized a WHERE clause with a comparison
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Sun, 31 Aug 2008 14:27:01 -0400 |
parents | 890a61991263 |
children | d1b679dbbc25 |
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--- a/src/mono_opt.sml Sun Aug 31 13:58:47 2008 -0400 +++ b/src/mono_opt.sml Sun Aug 31 14:27:01 2008 -0400 @@ -79,6 +79,12 @@ str ch else "%" ^ hexIt ch) + + +val sqlifyInt = attrifyInt +val sqlifyFloat = attrifyFloat + +fun sqlifyString s = "E'" ^ String.toString s ^ "'" fun exp e = case e of @@ -203,6 +209,21 @@ | EWrite (EFfiApp ("Basis", "urlifyBool", [e]), _) => EFfiApp ("Basis", "urlifyBool_w", [e]) + | EFfiApp ("Basis", "sqlifyInt", [(EPrim (Prim.Int n), _)]) => + EPrim (Prim.String (sqlifyInt n)) + | EFfiApp ("Basis", "sqlifyFloat", [(EPrim (Prim.Float n), _)]) => + EPrim (Prim.String (sqlifyFloat n)) + | EFfiApp ("Basis", "sqlifyBool", [b as (_, loc)]) => + optExp (ECase (b, + [((PCon (Enum, PConFfi {mod = "Basis", datatyp = "bool", con = "True", arg = NONE}, NONE), loc), + (EPrim (Prim.String "TRUE"), loc)), + ((PCon (Enum, PConFfi {mod = "Basis", datatyp = "bool", con = "False", arg = NONE}, NONE), loc), + (EPrim (Prim.String "FALSE"), loc))], + {disc = (TFfi ("Basis", "bool"), loc), + result = (TFfi ("Basis", "string"), loc)}), loc) + | EFfiApp ("Basis", "sqlifyString", [(EPrim (Prim.String n), _)]) => + EPrim (Prim.String (sqlifyString n)) + | EWrite (ECase (discE, pes, {disc, ...}), loc) => optExp (ECase (discE, map (fn (p, e) => (p, (EWrite e, loc))) pes,