diff options
| -rw-r--r-- | stm/stm.ml | 9 | ||||
| -rw-r--r-- | test-suite/bugs/opened/bug_3890.v | 2 |
2 files changed, 10 insertions, 1 deletions
diff --git a/stm/stm.ml b/stm/stm.ml index 32c6c7d959..27feac9adb 100644 --- a/stm/stm.ml +++ b/stm/stm.ml @@ -2993,7 +2993,14 @@ let process_transaction ~doc ?(newtip=Stateid.fresh ()) (* Unknown: we execute it, check for open goals and propagate sideeff *) | VtUnknown, VtNow -> let in_proof = not (VCS.Branch.equal head VCS.Branch.master) in - let id = VCS.new_node ~id:newtip () in + if not (get_allow_nested_proofs ()) && in_proof then + "Commands which may open proofs are not allowed in a proof unless you turn option Nested Proofs Allowed on." + |> Pp.str + |> (fun s -> (UserError (None, s), Exninfo.null)) + |> State.exn_on ~valid:Stateid.dummy Stateid.dummy + |> Exninfo.iraise + else + let id = VCS.new_node ~id:newtip () in let head_id = VCS.get_branch_pos head in let _st : unit = Reach.known_state ~doc ~cache:true head_id in (* ensure it is ok *) let step () = diff --git a/test-suite/bugs/opened/bug_3890.v b/test-suite/bugs/opened/bug_3890.v index 5c74addb62..78b2aa69b9 100644 --- a/test-suite/bugs/opened/bug_3890.v +++ b/test-suite/bugs/opened/bug_3890.v @@ -1,3 +1,5 @@ +Set Nested Proofs Allowed. + Class Foo. Class Bar := b : Type. |