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[leminv] [declare] Use higher-level Declare API. #12610

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Merged
ppedrot merged 2 commits into from
Sep 18, 2020
Merged

[leminv] [declare] Use higher-level Declare API. #12610

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3658ae2
[leminv] Remove unused catch.
ejgallego May 17, 2020
9cc65e5
[leminv] Use higher-level Declare API.
ejgallego May 17, 2020
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17 changes: 7 additions & 10 deletions plugins/ltac/leminv.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -228,14 +228,15 @@ let inversion_scheme ~name ~poly env sigma t sort dep_option inv_op =
let c = fill_holes pfterm in
(* warning: side-effect on ownSign *)
let invProof = it_mkNamedLambda_or_LetIn c !ownSign in
let p = EConstr.to_constr sigma invProof in
p, sigma
invProof, sigma

let add_inversion_lemma ~poly name env sigma t sort dep inv_op =
let invProof, sigma = inversion_scheme ~name ~poly env sigma t sort dep inv_op in
let univs = Evd.univ_entry ~poly sigma in
let entry = Declare.definition_entry ~univs invProof in
let _ : Names.Constant.t = Declare.declare_constant ~name ~kind:Decls.(IsProof Lemma) (Declare.DefinitionEntry entry) in
let cinfo = Declare.CInfo.make ~name ~typ:None () in
let info = Declare.Info.make ~poly ~kind:Decls.(IsProof Lemma) () in
let _ : Names.GlobRef.t =
Declare.declare_definition ~cinfo ~info ~opaque:false ~body:invProof sigma
in
()

(* inv_op = Inv (derives de complete inv. lemma)
Expand All @@ -246,11 +247,7 @@ let add_inversion_lemma_exn ~poly na com comsort bool tac =
let sigma = Evd.from_env env in
let sigma, c = Constrintern.interp_type_evars ~program_mode:false env sigma com in
let sigma, sort = Evd.fresh_sort_in_family ~rigid:univ_rigid sigma comsort in
try
add_inversion_lemma ~poly na env sigma c sort bool tac
with
| UserError (Some "Case analysis",s) -> (* Reference to Indrec *)
user_err ~hdr:"Inv needs Nodep Prop Set" s
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@ejgallego ejgallego Jun 30, 2020

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Note: this was dead code.

add_inversion_lemma ~poly na env sigma c sort bool tac

(* ================================= *)
(* Applying a given inversion lemma *)
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