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authorGravatar Emilio Jesus Gallego Arias <e+git@x80.org>2016-08-19 02:35:47 +0200
committerGravatar Emilio Jesus Gallego Arias <e+git@x80.org>2016-08-19 02:46:38 +0200
commitfc579fdc83b751a44a18d2373e86ab38806e7306 (patch)
treeb325c2ff65c505ad62ac7b3fce6bce28633a60f0 /tactics/leminv.ml
parent543ee0c7ad43874c577416af9f2e5a94d7d1e4d3 (diff)
Make the user_err header an optional parameter.
Suggested by @ppedrot
Diffstat (limited to 'tactics/leminv.ml')
-rw-r--r--tactics/leminv.ml12
1 files changed, 6 insertions, 6 deletions
diff --git a/tactics/leminv.ml b/tactics/leminv.ml
index e83093b0c..4f52df99c 100644
--- a/tactics/leminv.ml
+++ b/tactics/leminv.ml
@@ -183,7 +183,7 @@ let inversion_scheme env sigma t sort dep_option inv_op =
let ind =
try find_rectype env sigma i
with Not_found ->
- user_err "inversion_scheme" (no_inductive_inconstr env sigma i)
+ user_err ~hdr:"inversion_scheme" (no_inductive_inconstr env sigma i)
in
let (invEnv,invGoal) =
compute_first_inversion_scheme env sigma ind sort dep_option
@@ -193,7 +193,7 @@ let inversion_scheme env sigma t sort dep_option inv_op =
(global_vars env invGoal)
(ids_of_named_context (named_context invEnv)));
(*
- user_err "lemma_inversion"
+ user_err ~hdr:"lemma_inversion"
(str"Computed inversion goal was not closed in initial signature.");
*)
let pf = Proof.start (Evd.from_ctx (evar_universe_context sigma)) [invEnv,invGoal] in
@@ -247,8 +247,8 @@ let add_inversion_lemma_exn na com comsort bool tac =
try
add_inversion_lemma na env sigma c sort bool tac
with
- | UserError ("Case analysis",s) -> (* Reference to Indrec *)
- user_err "Inv needs Nodep Prop Set" s
+ | UserError (Some "Case analysis",s) -> (* Reference to Indrec *)
+ user_err ~hdr:"Inv needs Nodep Prop Set" s
(* ================================= *)
(* Applying a given inversion lemma *)
@@ -261,10 +261,10 @@ let lemInv id c gls =
Proofview.V82.of_tactic (Clenvtac.res_pf clause ~flags:(Unification.elim_flags ()) ~with_evars:false) gls
with
| NoSuchBinding ->
- user_err ""
+ user_err
(hov 0 (pr_constr c ++ spc () ++ str "does not refer to an inversion lemma."))
| UserError (a,b) ->
- user_err "LemInv"
+ user_err ~hdr:"LemInv"
(str "Cannot refine current goal with the lemma " ++
pr_lconstr_env (Refiner.pf_env gls) (Refiner.project gls) c)