From a3a17b514a2ffaba54cd182fdf27b7e84366ab44 Mon Sep 17 00:00:00 2001
From: Matthieu Sozeau
Date: Thu, 29 Oct 2015 15:11:29 -0400
Subject: Handle side-effects of Vernacular commands inside proofs better, so
 that universes are declared correctly in the enclosing proofs evar_map's.

---
 proofs/proof_global.ml  | 6 ++++++
 proofs/proof_global.mli | 5 +++++
 2 files changed, 11 insertions(+)

(limited to 'proofs')

diff --git a/proofs/proof_global.ml b/proofs/proof_global.ml
index 809ed41c7e..c303f486c5 100644
--- a/proofs/proof_global.ml
+++ b/proofs/proof_global.ml
@@ -695,3 +695,9 @@ let copy_terminators ~src ~tgt =
   assert(List.length src = List.length tgt);
   List.map2 (fun op p -> { p with terminator = op.terminator }) src tgt
 
+let update_global_env () =
+  with_current_proof (fun _ p ->
+     Proof.in_proof p (fun sigma ->
+       let tac = Proofview.Unsafe.tclEVARS (Evd.update_sigma_env sigma (Global.env ())) in
+       let (p,(status,info)) = Proof.run_tactic (Global.env ()) tac p in
+         (p, ())))
diff --git a/proofs/proof_global.mli b/proofs/proof_global.mli
index f8615e8499..a22545080b 100644
--- a/proofs/proof_global.mli
+++ b/proofs/proof_global.mli
@@ -89,6 +89,11 @@ val start_dependent_proof :
   Names.Id.t -> Decl_kinds.goal_kind -> Proofview.telescope  ->
     proof_terminator -> unit
 
+(** Update the proofs global environment after a side-effecting command
+  (e.g. a sublemma definition) has been run inside it. Assumes
+  there_are_pending_proofs. *)
+val update_global_env : unit -> unit
+
 (* Takes a function to add to the exceptions data relative to the
    state in which the proof was built *)
 val close_proof : keep_body_ucst_separate:bool -> Future.fix_exn -> closed_proof
-- 
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