summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorGravatar Adam Chlipala <adam@chlipala.net>2010-12-21 13:57:12 -0500
committerGravatar Adam Chlipala <adam@chlipala.net>2010-12-21 13:57:12 -0500
commit2fef05f45b2ac9edb7883416a26065576aebc5db (patch)
tree726849a873ace28524bff624b3ab08e6dda1286e /src
parent092aff9de00b332bcd813b0c64b00c8681d031ca (diff)
Hopeful fix to stop Especialize infinite looping
Diffstat (limited to 'src')
-rw-r--r--src/especialize.sml21
1 files changed, 20 insertions, 1 deletions
diff --git a/src/especialize.sml b/src/especialize.sml
index d7a5014b..d089230b 100644
--- a/src/especialize.sml
+++ b/src/especialize.sml
@@ -324,13 +324,32 @@ fun specialize' (funcs, specialized) file =
val (fxs, xs, fvs, fin) = findSplit true (xs, typ, [], IS.empty, false)
+ fun valueish (e, _) =
+ case e of
+ EPrim _ => true
+ | ERel _ => true
+ | ENamed _ => true
+ | ECon (_, _, _, NONE) => true
+ | ECon (_, _, _, SOME e) => valueish e
+ | EFfi (_, _) => true
+ | EAbs _ => true
+ | ECAbs _ => true
+ | EKAbs _ => true
+ | ECApp (e, _) => valueish e
+ | EKApp (e, _) => valueish e
+ | ERecord xes => List.all (valueish o #2) xes
+ | _ => false
+
val vts = map (fn n => #2 (List.nth (env, n))) (IS.listItems fvs)
val fxs' = map (squish (IS.listItems fvs)) fxs
in
- (*Print.preface ("fxs'", Print.p_list (CorePrint.p_exp CoreEnv.empty) fxs');*)
+ (*Print.prefaces "Func" [("name", Print.PD.string name),
+ ("e", CorePrint.p_exp CoreEnv.empty e),
+ ("fxs'", Print.p_list (CorePrint.p_exp CoreEnv.empty) fxs')];*)
if not fin
orelse List.all (fn (ERel _, _) => true
| _ => false) fxs'
+ orelse List.exists (not o valueish) fxs'
orelse (IS.numItems fvs >= length fxs
andalso IS.exists (fn n => functionInside (#2 (List.nth (env, n)))) fvs) then
((*Print.prefaces "No" [("name", Print.PD.string name),