From 16d3d1c3a6d1e78faab91076c20b76fdcb90edb9 Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adamc@hcoop.net>
Date: Thu, 31 Jul 2008 16:28:55 -0400
Subject: Case through explify

---
 src/expl_util.sml | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/expl_util.sml')

diff --git a/src/expl_util.sml b/src/expl_util.sml
index e1a5d30f..685605c3 100644
--- a/src/expl_util.sml
+++ b/src/expl_util.sml
@@ -286,6 +286,17 @@ fun mapfoldB {kind = fk, con = fc, exp = fe, bind} =
                 S.map2 (mfe ctx e,
                      fn e' =>
                         (EWrite e', loc))
+
+              | ECase (e, pes, t) =>
+                S.bind2 (mfe ctx e,
+                         fn e' =>
+                            S.bind2 (ListUtil.mapfold (fn (p, e) =>
+                                                         S.map2 (mfe ctx e,
+                                                              fn e' => (p, e'))) pes,
+                                    fn pes' =>
+                                       S.map2 (mfc ctx t,
+                                               fn t' =>
+                                                  (ECase (e', pes', t'), loc))))
     in
         mfe
     end
-- 
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