diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/ltac/extratactics.ml4 | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/plugins/ltac/extratactics.ml4 b/plugins/ltac/extratactics.ml4 index d6cfa3cf9a..790a9e4352 100644 --- a/plugins/ltac/extratactics.ml4 +++ b/plugins/ltac/extratactics.ml4 @@ -873,34 +873,12 @@ TACTIC EXTEND is_evar ] END -let has_evar sigma c = -let rec has_evar x = - match EConstr.kind sigma x with - | Evar _ -> true - | Rel _ | Var _ | Meta _ | Sort _ | Const _ | Ind _ | Construct _ -> - false - | Cast (t1, _, t2) | Prod (_, t1, t2) | Lambda (_, t1, t2) -> - has_evar t1 || has_evar t2 - | LetIn (_, t1, t2, t3) -> - has_evar t1 || has_evar t2 || has_evar t3 - | App (t1, ts) -> - has_evar t1 || has_evar_array ts - | Case (_, t1, t2, ts) -> - has_evar t1 || has_evar t2 || has_evar_array ts - | Fix ((_, tr)) | CoFix ((_, tr)) -> - has_evar_prec tr - | Proj (p, c) -> has_evar c -and has_evar_array x = - Array.exists has_evar x -and has_evar_prec (_, ts1, ts2) = - Array.exists has_evar ts1 || Array.exists has_evar ts2 -in -has_evar c - TACTIC EXTEND has_evar | [ "has_evar" constr(x) ] -> [ Proofview.tclEVARMAP >>= fun sigma -> - if has_evar sigma x then Proofview.tclUNIT () else Tacticals.New.tclFAIL 0 (str "No evars") + if Evarutil.has_undefined_evars sigma x + then Proofview.tclUNIT () + else Tacticals.New.tclFAIL 0 (str "No evars") ] END |