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-rw-r--r--proofs/goal.ml21
1 files changed, 15 insertions, 6 deletions
diff --git a/proofs/goal.ml b/proofs/goal.ml
index 1dd5be0e..111a947a 100644
--- a/proofs/goal.ml
+++ b/proofs/goal.ml
@@ -9,6 +9,8 @@
open Util
open Pp
open Term
+open Sigma.Notations
+open Context.Named.Declaration
(* This module implements the abstract interface to goals *)
(* A general invariant of the module, is that a goal whose associated
@@ -70,10 +72,12 @@ module V82 = struct
Evd.evar_extra = extra }
in
let evi = Typeclasses.mark_unresolvable evi in
- let (evars, evk) = Evarutil.new_pure_evar_full evars evi in
+ let evars = Sigma.Unsafe.of_evar_map evars in
+ let Sigma (evk, evars, _) = Evarutil.new_pure_evar_full evars evi in
+ let evars = Sigma.to_evar_map evars in
let evars = Evd.restore_future_goals evars prev_future_goals prev_principal_goal in
let ctxt = Environ.named_context_of_val hyps in
- let inst = Array.map_of_list (fun (id, _, _) -> mkVar id) ctxt in
+ let inst = Array.map_of_list (mkVar % get_id) ctxt in
let ev = Term.mkEvar (evk,inst) in
(evk, ev, evars)
@@ -89,7 +93,10 @@ module V82 = struct
(* Instantiates a goal with an open term, using name of goal for evk' *)
let partial_solution_to sigma evk evk' c =
let id = Evd.evar_ident evk sigma in
- Evd.rename evk' id (partial_solution sigma evk c)
+ let sigma = partial_solution sigma evk c in
+ match id with
+ | None -> sigma
+ | Some id -> Evd.rename evk' id sigma
(* Parts of the progress tactical *)
let same_goal evars1 gl1 evars2 gl2 =
@@ -123,8 +130,10 @@ module V82 = struct
let new_evi =
{ evi with Evd.evar_hyps = new_hyps; Evd.evar_filter = new_filter } in
let new_evi = Typeclasses.mark_unresolvable new_evi in
- let (new_sigma, evk) = Evarutil.new_pure_evar_full Evd.empty new_evi in
- { Evd.it = evk ; sigma = new_sigma; }
+ let sigma = Sigma.Unsafe.of_evar_map Evd.empty in
+ let Sigma (evk, sigma, _) = Evarutil.new_pure_evar_full sigma new_evi in
+ let sigma = Sigma.to_evar_map sigma in
+ { Evd.it = evk ; sigma = sigma; }
(* Used by the compatibility layer and typeclasses *)
let nf_evar sigma gl =
@@ -139,7 +148,7 @@ module V82 = struct
let env = env sigma gl in
let genv = Global.env () in
let is_proof_var decl =
- try ignore (Environ.lookup_named (Util.pi1 decl) genv); false
+ try ignore (Environ.lookup_named (get_id decl) genv); false
with Not_found -> true in
Environ.fold_named_context_reverse (fun t decl ->
if is_proof_var decl then