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authorGravatar Matthieu Sozeau <matthieu.sozeau@inria.fr>2014-09-12 16:58:37 +0200
committerGravatar Matthieu Sozeau <matthieu.sozeau@inria.fr>2014-09-12 16:59:53 +0200
commite4aa9817115b3d27eb7fca8fed86ffe397b868ad (patch)
treeefa8a3250bffa0a6fd7ac7d8c0f07ee17bc53734 /proofs
parent5dc8187aa8e6b481338035a022fec4025a25eb33 (diff)
While we don't have a clean alternative to Clenvtac, add a primitive
for tclEVARS which might solve existing goals.
Diffstat (limited to 'proofs')
-rw-r--r--proofs/clenvtac.ml2
-rw-r--r--proofs/proofview.ml3
-rw-r--r--proofs/proofview.mli6
3 files changed, 9 insertions, 2 deletions
diff --git a/proofs/clenvtac.ml b/proofs/clenvtac.ml
index 94731b039..99ea2300c 100644
--- a/proofs/clenvtac.ml
+++ b/proofs/clenvtac.ml
@@ -123,7 +123,7 @@ let unify ?(flags=fail_quick_unif_flags) m =
let evd = create_goal_evar_defs (Proofview.Goal.sigma gl) in
try
let evd' = w_unify env evd CONV ~flags m n in
- Proofview.V82.tclEVARS evd'
+ Proofview.V82.tclEVARSADVANCE evd'
with e when Errors.noncritical e ->
(** This is Tacticals.tclFAIL *)
Proofview.tclZERO (FailError (0, lazy (Errors.print e)))
diff --git a/proofs/proofview.ml b/proofs/proofview.ml
index bc6ce4fc6..a97add1ce 100644
--- a/proofs/proofview.ml
+++ b/proofs/proofview.ml
@@ -804,6 +804,9 @@ module V82 = struct
let tclEVARS evd =
Proof.modify (fun ps -> { ps with solution = evd })
+ let tclEVARSADVANCE evd =
+ Proof.modify (fun ps -> { solution = evd; comb = undefined evd ps.comb })
+
let tclEVARUNIVCONTEXT ctx =
Proof.modify (fun ps -> { ps with solution = Evd.set_universe_context ps.solution ctx })
diff --git a/proofs/proofview.mli b/proofs/proofview.mli
index 3b2dd7ccd..94969f3a5 100644
--- a/proofs/proofview.mli
+++ b/proofs/proofview.mli
@@ -334,8 +334,12 @@ module V82 : sig
(* normalises the evars in the goals, and stores the result in
solution. *)
val nf_evar_goals : unit tactic
-
+
+ (* Assumes the new evar_map does not change existing goals *)
val tclEVARS : Evd.evar_map -> unit tactic
+
+ (* Assumes the new evar_map might be solving some existing goals *)
+ val tclEVARSADVANCE : Evd.evar_map -> unit tactic
(* Set the evar universe context *)
val tclEVARUNIVCONTEXT : Evd.evar_universe_context -> unit tactic