diff options
Diffstat (limited to 'proofs/logic.ml')
| -rw-r--r-- | proofs/logic.ml | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/proofs/logic.ml b/proofs/logic.ml index 47645d295..8b4865594 100644 --- a/proofs/logic.ml +++ b/proofs/logic.ml @@ -340,6 +340,15 @@ let check_conv_leq_goal env sigma arg ty conclty = else raise (RefinerError (BadType (arg,ty,conclty))) else sigma +exception Stop of constr list +let meta_free_prefix a = + try + let _ = Array.fold_left (fun acc a -> + if occur_meta a then raise (Stop acc) + else a :: acc) [] a + in a + with Stop acc -> Array.rev_of_list acc + let goal_type_of env sigma c = if !check then type_of env sigma c else Retyping.get_type_of env sigma c @@ -442,10 +451,10 @@ and mk_hdgoals sigma goal goalacc trm = | App (f,l) -> let (acc',hdty,sigma,applicand) = - if isInd f || isConst f - && not (Array.exists occur_meta l) (* we could be finer *) + if is_template_polymorphic env f then - (goalacc,type_of_global_reference_knowing_parameters env sigma f l,sigma,f) + let l' = meta_free_prefix l in + (goalacc,type_of_global_reference_knowing_parameters env sigma f l',sigma,f) else mk_hdgoals sigma goal goalacc f in let ((acc'',conclty',sigma), args) = mk_arggoals sigma goal acc' hdty l in |