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authorMatthieu Sozeau2020-03-02 15:01:47 +0100
committerMatthieu Sozeau2020-03-02 15:01:47 +0100
commite33bca2f54fea713822454ef4c85b801abc9709b (patch)
treebf7064a9fbc1f43ba89aa3f15c0146f84a789cad
parentadd9c92bed5d570d3fb4073619d8b4eb84d86848 (diff)
Refine patch for clearer scoping of evar_map
-rw-r--r--tactics/tactics.ml12
1 files changed, 6 insertions, 6 deletions
diff --git a/tactics/tactics.ml b/tactics/tactics.ml
index dc6e18885f..27acc077bc 100644
--- a/tactics/tactics.ml
+++ b/tactics/tactics.ml
@@ -4246,26 +4246,26 @@ type eliminator_source =
| ElimOver of bool * Id.t
let find_induction_type isrec elim hyp0 gl =
- let sigma, scheme,elim =
+ let sigma, indref, nparams, elim =
match elim with
| None ->
let sort = Tacticals.New.elimination_sort_of_goal gl in
let sigma', (elimc,elimt),_ = guess_elim isrec false sort hyp0 gl in
let scheme = compute_elim_sig sigma' ~elimc elimt in
- (* We drop the scheme waiting to know if it is dependent, this
+ (* We drop the scheme and elimc/elimt waiting to know if it is dependent, this
needs no update to sigma at this point. *)
- Tacmach.New.project gl, scheme, ElimOver (isrec,hyp0)
+ Tacmach.New.project gl, scheme.indref, scheme.nparams, ElimOver (isrec,hyp0)
| Some e ->
let sigma, (elimc,elimt),ind_guess = given_elim hyp0 e gl in
let scheme = compute_elim_sig sigma ~elimc elimt in
if Option.is_empty scheme.indarg then error "Cannot find induction type";
let indsign = compute_scheme_signature sigma scheme hyp0 ind_guess in
let elim = ({ elimindex = Some(-1); elimbody = elimc },elimt) in
- sigma, scheme, ElimUsing (elim,indsign)
+ sigma, scheme.indref, scheme.nparams, ElimUsing (elim,indsign)
in
- match scheme.indref with
+ match indref with
| None -> error_ind_scheme ""
- | Some ref -> sigma, (ref, scheme.nparams, elim)
+ | Some ref -> sigma, (ref, nparams, elim)
let get_elim_signature elim hyp0 gl =
compute_elim_signature (given_elim hyp0 elim gl) hyp0