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| author |  herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2011-10-05 14:34:17 +0000 |
|---|---|---|
| committer | herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2011-10-05 14:34:17 +0000 |
| commit | b7fcbb07f8b484707a86eb06df1bd7116fb55a21 (patch) | |
| tree | bf2bc42cc3cf39131f98f8fe687b3079bbba45d2 /kernel/type_errors.ml | |
| parent | d566330747374ba13d6b52424d53ab7d84cc921e (diff) | |
It happens that the type inference algorithm (pretyping) did not check
that the return predicate of the match construction is at an allowed
sort, resulting in tactics possibly manipulating ill-typed terms. This
is now fixed,
Incidentally removed in pretyping an ill-placed coercion.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14508 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'kernel/type_errors.ml')
| -rw-r--r-- | kernel/type_errors.ml | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/type_errors.ml b/kernel/type_errors.ml index 0f849e11a..8f129999b 100644 --- a/kernel/type_errors.ml +++ b/kernel/type_errors.ml @@ -109,4 +109,9 @@ let error_ill_formed_rec_body env why lna i fixenv vdefj = let error_ill_typed_rec_body env i lna vdefj vargs = raise (TypeError (env, IllTypedRecBody (i,lna,vdefj,vargs))) +let error_elim_explain kp ki = + match kp,ki with + | (InType | InSet), InProp -> NonInformativeToInformative + | InType, InSet -> StrongEliminationOnNonSmallType (* if Set impredicative *) + | _ -> WrongArity |