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authorletouzey2013-03-13 00:00:49 +0000
committerletouzey2013-03-13 00:00:49 +0000
commitc526b81a9a682edf2270cb544e61fe60355003dc (patch)
tree56d5b350997fd29d02fc65b584e6146c81c424b6 /grammar
parenta5aaef33d5cab01177105299a2414c9544860cca (diff)
Restrict (try...with...) to avoid catching critical exn (part 13)
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16290 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'grammar')
-rw-r--r--grammar/argextend.ml43
1 files changed, 2 insertions, 1 deletions
diff --git a/grammar/argextend.ml4 b/grammar/argextend.ml4
index 7aacfa24e0..0959bfcc19 100644
--- a/grammar/argextend.ml4
+++ b/grammar/argextend.ml4
@@ -140,7 +140,8 @@ let possibly_empty_subentries loc (prods,act) =
(* an exception rather than returning a value; *)
(* declares loc because some code can refer to it; *)
(* ensures loc is used to avoid "unused variable" warning *)
- (true, <:expr< try Some $aux prods$ with [ _ -> None ] >>)
+ (true, <:expr< try Some $aux prods$
+ with [ e when Errors.noncritical e -> None ] >>)
else
(* Static optimisation *)
(false, aux prods)