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Diffstat (limited to 'tactics/evar_tactics.ml')
-rw-r--r-- | tactics/evar_tactics.ml | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/tactics/evar_tactics.ml b/tactics/evar_tactics.ml deleted file mode 100644 index 202aca0d..00000000 --- a/tactics/evar_tactics.ml +++ /dev/null @@ -1,82 +0,0 @@ -(************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) -(* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) -(************************************************************************) - -open Util -open Errors -open Evar_refiner -open Tacmach -open Tacexpr -open Refiner -open Evd -open Locus - -(* The instantiate tactic *) - -let instantiate_evar evk (ist,rawc) sigma = - let evi = Evd.find sigma evk in - let filtered = Evd.evar_filtered_env evi in - let constrvars = Tacinterp.extract_ltac_constr_values ist filtered in - let lvar = { - Pretyping.ltac_constrs = constrvars; - ltac_uconstrs = Names.Id.Map.empty; - ltac_idents = Names.Id.Map.empty; - ltac_genargs = ist.Geninterp.lfun; - } in - let sigma' = w_refine (evk,evi) (lvar ,rawc) sigma in - tclEVARS sigma' - -let instantiate_tac n c ido = - Proofview.V82.tactic begin fun gl -> - let sigma = gl.sigma in - let evl = - match ido with - ConclLocation () -> evar_list (pf_concl gl) - | HypLocation (id,hloc) -> - let decl = Environ.lookup_named_val id (Goal.V82.hyps sigma (sig_it gl)) in - match hloc with - InHyp -> - (match decl with - (_,None,typ) -> evar_list typ - | _ -> error - "Please be more specific: in type or value?") - | InHypTypeOnly -> - let (_, _, typ) = decl in evar_list typ - | InHypValueOnly -> - (match decl with - (_,Some body,_) -> evar_list body - | _ -> error "Not a defined hypothesis.") in - if List.length evl < n then - error "Not enough uninstantiated existential variables."; - if n <= 0 then error "Incorrect existential variable index."; - let evk,_ = List.nth evl (n-1) in - instantiate_evar evk c sigma gl - end - -let instantiate_tac_by_name id c = - Proofview.V82.tactic begin fun gl -> - let sigma = gl.sigma in - let evk = - try Evd.evar_key id sigma - with Not_found -> error "Unknown existential variable." in - instantiate_evar evk c sigma gl - end - -let let_evar name typ = - let src = (Loc.ghost,Evar_kinds.GoalEvar) in - Proofview.Goal.enter begin fun gl -> - let sigma = Proofview.Goal.sigma gl in - let env = Proofview.Goal.env gl in - let id = match name with - | Names.Anonymous -> - let id = Namegen.id_of_name_using_hdchar env typ name in - Namegen.next_ident_away_in_goal id (Termops.ids_of_named_context (Environ.named_context env)) - | Names.Name id -> id in - let sigma',evar = Evarutil.new_evar env sigma ~src ~naming:(Misctypes.IntroFresh id) typ in - Tacticals.New.tclTHEN (Proofview.V82.tactic (Refiner.tclEVARS sigma')) - (Tactics.letin_tac None (Names.Name id) evar None Locusops.nowhere) - end |