diff options
| author |  corbinea <corbinea@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2006-02-13 13:27:11 +0000 |
|---|---|---|
| committer | corbinea <corbinea@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2006-02-13 13:27:11 +0000 |
| commit | 82fb5aa169bff5d3aaa29c8eadce995379a5f7b5 (patch) | |
| tree | e31336c9baa8fe83f2772578e71038c9460da22b /contrib/first-order | |
| parent | 6a5e9a6c7cc3d4d7481ece365ab4c1ce9a97ad6c (diff) | |
firstorder fails gracefullly when encountering untypable higher-order terms
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8040 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'contrib/first-order')
| -rw-r--r-- | contrib/first-order/instances.ml | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/contrib/first-order/instances.ml b/contrib/first-order/instances.ml index eac842b86..04852da66 100644 --- a/contrib/first-order/instances.ml +++ b/contrib/first-order/instances.ml @@ -129,7 +129,10 @@ let mk_open_instance id gl m t= let t1=raux (n-1) t0 in RLambda(loc,name,RHole (dummy_loc,Evd.BinderType name),t1) | _-> anomaly "can't happen" in - let ntt=Pretyping.understand evmap env (raux m rawt) in + let ntt=try + Pretyping.understand evmap env (raux m rawt) + with _ -> + error "Untypable instance, maybe higher-order non-prenex quantification" in Sign.decompose_lam_n_assum m ntt (* tactics *) |