From 4a35810fb9430c5b229beeffa2246824d091cdac Mon Sep 17 00:00:00 2001 From: Karn Kallio Date: Fri, 14 Oct 2011 01:33:03 -0530 Subject: IF THEN ELSE conditional for SQL. --- src/monoize.sml | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'src/monoize.sml') diff --git a/src/monoize.sml b/src/monoize.sml index 417bf044..e33513f8 100644 --- a/src/monoize.sml +++ b/src/monoize.sml @@ -2804,6 +2804,31 @@ fun monoExp (env, st, fm) (all as (e, loc)) = fm) end + | (L.ECApp ( + (L.ECApp ( + (L.ECApp ( + (L.ECApp ( + (L.EFfi ("Basis", "sql_if_then_else"), _), _), + _), _), + _), _), + _), _)) => + let + val s = (L'.TFfi ("Basis", "string"), loc) + fun sc s = (L'.EPrim (Prim.String s), loc) + in + ((L'.EAbs ("if", s, (L'.TFun (s, s), loc), + (L'.EAbs ("then", s, (L'.TFun (s, s), loc), + (L'.EAbs ("else", s, (L'.TFun (s, s), loc), + strcat [sc "(CASE WHEN (", + (L'.ERel 2, loc), + sc ") THEN (", + (L'.ERel 1, loc), + sc ") ELSE (", + (L'.ERel 0, loc), + sc ") END)"]), loc)), loc)), loc), + fm) + end + | L.ECApp ( (L.ECApp ( (L.ECApp ( -- cgit v1.2.3