diff options
Diffstat (limited to 'tactics/tactics.ml')
| -rw-r--r-- | tactics/tactics.ml | 688 |
1 files changed, 380 insertions, 308 deletions
diff --git a/tactics/tactics.ml b/tactics/tactics.ml index 0aab77314..e79258582 100644 --- a/tactics/tactics.ml +++ b/tactics/tactics.ml @@ -6,20 +6,23 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) +module CVars = Vars + open Pp open CErrors open Util open Names open Nameops open Term -open Vars open Termops +open Environ +open EConstr +open Vars open Find_subterm open Namegen open Declarations open Inductiveops open Reductionops -open Environ open Globnames open Evd open Pfedit @@ -193,7 +196,7 @@ let introduction ?(check=true) id = (str "Variable " ++ pr_id id ++ str " is already declared.") in let open Context.Named.Declaration in - match kind_of_term (whd_evar sigma concl) with + match EConstr.kind sigma concl with | Prod (_, t, b) -> unsafe_intro env store (LocalAssum (id, t)) b | LetIn (_, c, t, b) -> unsafe_intro env store (LocalDef (id, c, t)) b | _ -> raise (RefinerError IntroNeedsProduct) @@ -205,7 +208,7 @@ let convert_concl ?(check=true) ty k = Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let store = Proofview.Goal.extra gl in - let conclty = Proofview.Goal.raw_concl gl in + let conclty = Proofview.Goal.concl gl in Refine.refine ~unsafe:true { run = begin fun sigma -> let Sigma ((), sigma, p) = if check then begin @@ -225,7 +228,7 @@ let convert_hyp ?(check=true) d = Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Tacmach.New.project gl in - let ty = Proofview.Goal.raw_concl gl in + let ty = Proofview.Goal.concl gl in let store = Proofview.Goal.extra gl in let sign = convert_hyp check (named_context_val env) sigma d in let env = reset_with_named_context sign env in @@ -309,24 +312,26 @@ let clear ids = clear_gen error_clear_dependency ids let clear_for_replacing ids = clear_gen error_replacing_dependency ids let apply_clear_request clear_flag dft c = + Proofview.tclEVARMAP >>= fun sigma -> let check_isvar c = - if not (isVar c) then + if not (isVar sigma c) then error "keep/clear modifiers apply only to hypothesis names." in let doclear = match clear_flag with - | None -> dft && isVar c + | None -> dft && isVar sigma c | Some true -> check_isvar c; true | Some false -> false in - if doclear then clear [destVar c] + if doclear then clear [destVar sigma c] else Tacticals.New.tclIDTAC (* Moving hypotheses *) let move_hyp id dest = Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in - let ty = Proofview.Goal.raw_concl gl in + let sigma = Tacmach.New.project gl in + let ty = Proofview.Goal.concl gl in let store = Proofview.Goal.extra gl in let sign = named_context_val env in - let sign' = move_hyp_in_named_context id dest sign in + let sign' = move_hyp_in_named_context sigma id dest sign in let env = reset_with_named_context sign' env in Refine.refine ~unsafe:true { run = begin fun sigma -> Evarutil.new_evar env sigma ~principal:true ~store ty @@ -380,7 +385,7 @@ let rename_hyp repl = in let nhyps = List.map map hyps in let nconcl = subst concl in - let nctx = Environ.val_of_named_context nhyps in + let nctx = val_of_named_context nhyps in let instance = List.map (NamedDecl.get_id %> mkVar) hyps in Refine.refine ~unsafe:true { run = begin fun sigma -> Evarutil.new_evar_instance nctx sigma nconcl ~principal:true ~store instance @@ -413,7 +418,7 @@ let default_id env sigma decl = | LocalAssum (name,t) -> let dft = default_id_of_sort (Retyping.get_sort_of env sigma t) in id_of_name_with_default dft name - | LocalDef (name,b,_) -> id_of_name_using_hdchar env b name + | LocalDef (name,b,_) -> id_of_name_using_hdchar env sigma b name (* Non primitive introduction tactics are treated by intro_then_gen There is possibly renaming, with possibly names to avoid and @@ -497,7 +502,7 @@ fun env sigma p -> function let Sigma (rem, sigma, r) = mk_holes env sigma (p +> q) rem in Sigma (arg :: rem, sigma, r) -let rec check_mutind env sigma k cl = match kind_of_term (strip_outer_cast cl) with +let rec check_mutind env sigma k cl = match EConstr.kind sigma (strip_outer_cast sigma cl) with | Prod (na, c1, b) -> if Int.equal k 1 then try @@ -510,7 +515,7 @@ let rec check_mutind env sigma k cl = match kind_of_term (strip_outer_cast cl) w | _ -> error "Not enough products." (* Refine as a fixpoint *) -let mutual_fix f n rest j = Proofview.Goal.nf_enter { enter = begin fun gl -> +let mutual_fix f n rest j = Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Tacmach.New.project gl in let concl = Proofview.Goal.concl gl in @@ -538,7 +543,7 @@ let mutual_fix f n rest j = Proofview.Goal.nf_enter { enter = begin fun gl -> let funnames = Array.of_list (List.map (fun i -> Name i) ids) in let typarray = Array.of_list (List.map pi3 all) in let bodies = Array.of_list evs in - let oterm = Term.mkFix ((indxs,0),(funnames,typarray,bodies)) in + let oterm = mkFix ((indxs,0),(funnames,typarray,bodies)) in Sigma (oterm, sigma, p) end } end } @@ -555,7 +560,7 @@ let fix ido n = match ido with let rec check_is_mutcoind env sigma cl = let b = whd_all env sigma cl in - match kind_of_term b with + match EConstr.kind sigma b with | Prod (na, c1, b) -> let open Context.Rel.Declaration in check_is_mutcoind (push_rel (LocalAssum (na,c1)) env) sigma b @@ -566,7 +571,7 @@ let rec check_is_mutcoind env sigma cl = error "All methods must construct elements in coinductive types." (* Refine as a cofixpoint *) -let mutual_cofix f others j = Proofview.Goal.nf_enter { enter = begin fun gl -> +let mutual_cofix f others j = Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Tacmach.New.project gl in let concl = Proofview.Goal.concl gl in @@ -589,7 +594,7 @@ let mutual_cofix f others j = Proofview.Goal.nf_enter { enter = begin fun gl -> let funnames = Array.of_list (List.map (fun i -> Name i) ids) in let typarray = Array.of_list types in let bodies = Array.of_list evs in - let oterm = Term.mkCoFix (0, (funnames, typarray, bodies)) in + let oterm = mkCoFix (0, (funnames, typarray, bodies)) in Sigma (oterm, sigma, p) end } end } @@ -612,7 +617,7 @@ type tactic_reduction = env -> evar_map -> constr -> constr let pf_reduce_decl redfun where decl gl = let open Context.Named.Declaration in - let redfun' = Tacmach.New.pf_apply redfun gl in + let redfun' c = Tacmach.New.pf_apply redfun gl c in match decl with | LocalAssum (id,ty) -> if where == InHypValueOnly then @@ -692,12 +697,12 @@ let bind_red_expr_occurrences occs nbcl redexp = certain hypothesis *) let reduct_in_concl (redfun,sty) = - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> convert_concl_no_check (Tacmach.New.pf_apply redfun gl (Tacmach.New.pf_concl gl)) sty end } let reduct_in_hyp ?(check=false) redfun (id,where) = - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> convert_hyp ~check (pf_reduce_decl redfun where (Tacmach.New.pf_get_hyp id gl) gl) end } @@ -726,14 +731,14 @@ let pf_e_reduce_decl redfun where decl gl = Sigma (LocalDef (id, b', ty'), sigma, p +> q) let e_reduct_in_concl ~check (redfun, sty) = - Proofview.Goal.nf_s_enter { s_enter = begin fun gl -> + Proofview.Goal.s_enter { s_enter = begin fun gl -> let sigma = Proofview.Goal.sigma gl in let Sigma (c', sigma, p) = redfun.e_redfun (Tacmach.New.pf_env gl) sigma (Tacmach.New.pf_concl gl) in Sigma (convert_concl ~check c' sty, sigma, p) end } let e_reduct_in_hyp ?(check=false) redfun (id, where) = - Proofview.Goal.nf_s_enter { s_enter = begin fun gl -> + Proofview.Goal.s_enter { s_enter = begin fun gl -> let Sigma (decl', sigma, p) = pf_e_reduce_decl redfun where (Tacmach.New.pf_get_hyp id gl) gl in Sigma (convert_hyp ~check decl', sigma, p) end } @@ -748,7 +753,7 @@ let e_reduct_option ?(check=false) redfun = function let e_change_in_concl (redfun,sty) = Proofview.Goal.s_enter { s_enter = begin fun gl -> let sigma = Proofview.Goal.sigma gl in - let Sigma (c, sigma, p) = redfun.e_redfun (Proofview.Goal.env gl) sigma (Proofview.Goal.raw_concl gl) in + let Sigma (c, sigma, p) = redfun.e_redfun (Proofview.Goal.env gl) sigma (Proofview.Goal.concl gl) in Sigma (convert_concl_no_check c sty, sigma, p) end } @@ -777,7 +782,7 @@ let e_change_in_hyp redfun (id,where) = Sigma (convert_hyp c, sigma, p) end } -type change_arg = Pattern.patvar_map -> constr Sigma.run +type change_arg = Pattern.patvar_map -> EConstr.constr Sigma.run let make_change_arg c pats = { run = fun sigma -> Sigma.here (replace_vars (Id.Map.bindings pats) c) sigma } @@ -791,15 +796,15 @@ let check_types env sigma mayneedglobalcheck deep newc origc = let sigma, b = infer_conv ~pb:Reduction.CUMUL env sigma t1 t2 in if not b then if - isSort (whd_all env sigma t1) && - isSort (whd_all env sigma t2) + isSort sigma (whd_all env sigma t1) && + isSort sigma (whd_all env sigma t2) then (mayneedglobalcheck := true; sigma) else user_err ~hdr:"convert-check-hyp" (str "Types are incompatible.") else sigma end else - if not (isSort (whd_all env sigma t1)) then + if not (isSort sigma (whd_all env sigma t1)) then user_err ~hdr:"convert-check-hyp" (str "Not a type.") else sigma @@ -888,7 +893,7 @@ let reduction_clause redexp cl = let reduce redexp cl = let trace () = let open Printer in - let pr = (pr_constr, pr_lconstr, pr_evaluable_reference, pr_constr_pattern) in + let pr = (pr_econstr, pr_leconstr, pr_evaluable_reference, pr_constr_pattern) in Pp.(hov 2 (Pputils.pr_red_expr pr str redexp)) in Proofview.Trace.name_tactic trace begin @@ -936,13 +941,13 @@ let build_intro_tac id dest tac = match dest with let rec intro_then_gen name_flag move_flag force_flag dep_flag tac = let open Context.Rel.Declaration in Proofview.Goal.enter { enter = begin fun gl -> + let sigma = Tacmach.New.project gl in let concl = Proofview.Goal.concl (Proofview.Goal.assume gl) in - let concl = nf_evar (Tacmach.New.project gl) concl in - match kind_of_term concl with - | Prod (name,t,u) when not dep_flag || (dependent (mkRel 1) u) -> + match EConstr.kind sigma concl with + | Prod (name,t,u) when not dep_flag || not (noccurn sigma 1 u) -> let name = find_name false (LocalAssum (name,t)) name_flag gl in build_intro_tac name move_flag tac - | LetIn (name,b,t,u) when not dep_flag || (dependent (mkRel 1) u) -> + | LetIn (name,b,t,u) when not dep_flag || not (noccurn sigma 1 u) -> let name = find_name false (LocalDef (name,b,t)) name_flag gl in build_intro_tac name move_flag tac | _ -> @@ -1067,14 +1072,14 @@ let intros_replacing ids = (* User-level introduction tactics *) -let lookup_hypothesis_as_renamed env ccl = function - | AnonHyp n -> Detyping.lookup_index_as_renamed env ccl n - | NamedHyp id -> Detyping.lookup_name_as_displayed env ccl id +let lookup_hypothesis_as_renamed env sigma ccl = function + | AnonHyp n -> Detyping.lookup_index_as_renamed env sigma ccl n + | NamedHyp id -> Detyping.lookup_name_as_displayed env sigma ccl id let lookup_hypothesis_as_renamed_gen red h gl = let env = Proofview.Goal.env gl in let rec aux ccl = - match lookup_hypothesis_as_renamed env ccl h with + match lookup_hypothesis_as_renamed env (Tacmach.New.project gl) ccl h with | None when red -> let (redfun, _) = Redexpr.reduction_of_red_expr env (Red true) in let Sigma (c, _, _) = redfun.e_redfun env (Proofview.Goal.sigma gl) ccl in @@ -1107,7 +1112,7 @@ let depth_of_quantified_hypothesis red h gl = str".") let intros_until_gen red h = - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> let n = depth_of_quantified_hypothesis red h gl in Tacticals.New.tclDO n (if red then introf else intro) end } @@ -1217,13 +1222,13 @@ let cut c = Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Tacmach.New.project gl in - let concl = Tacmach.New.pf_nf_concl gl in + let concl = Proofview.Goal.concl gl in let is_sort = try (** Backward compat: ensure that [c] is well-typed. *) let typ = Typing.unsafe_type_of env sigma c in let typ = whd_all env sigma typ in - match kind_of_term typ with + match EConstr.kind sigma typ with | Sort _ -> true | _ -> false with e when Pretype_errors.precatchable_exception e -> false @@ -1243,6 +1248,7 @@ let cut c = end } let error_uninstantiated_metas t clenv = + let t = EConstr.Unsafe.to_constr t in let na = meta_name clenv.evd (List.hd (Metaset.elements (metavars_of t))) in let id = match na with Name id -> id | _ -> anomaly (Pp.str "unnamed dependent meta") in user_err (str "Cannot find an instance for " ++ pr_id id ++ str".") @@ -1281,7 +1287,7 @@ let clenv_refine_in ?(sidecond_first=false) with_evars ?(with_classes=true) in let new_hyp_typ = clenv_type clenv in if not with_evars then check_unresolved_evars_of_metas sigma0 clenv; - if not with_evars && occur_meta new_hyp_typ then + if not with_evars && occur_meta clenv.evd new_hyp_typ then error_uninstantiated_metas new_hyp_typ clenv; let new_hyp_prf = clenv_value clenv in let exact_tac = Proofview.V82.tactic (Tacmach.refine_no_check new_hyp_prf) in @@ -1300,22 +1306,22 @@ let clenv_refine_in ?(sidecond_first=false) with_evars ?(with_classes=true) (* Elimination tactics *) (********************************************) -let last_arg c = match kind_of_term c with +let last_arg sigma c = match EConstr.kind sigma c with | App (f,cl) -> Array.last cl | _ -> anomaly (Pp.str "last_arg") -let nth_arg i c = - if Int.equal i (-1) then last_arg c else - match kind_of_term c with +let nth_arg sigma i c = + if Int.equal i (-1) then last_arg sigma c else + match EConstr.kind sigma c with | App (f,cl) -> cl.(i) | _ -> anomaly (Pp.str "nth_arg") -let index_of_ind_arg t = - let rec aux i j t = match kind_of_term t with +let index_of_ind_arg sigma t = + let rec aux i j t = match EConstr.kind sigma t with | Prod (_,t,u) -> (* heuristic *) - if isInd (fst (decompose_app t)) then aux (Some j) (j+1) u + if isInd sigma (fst (decompose_app sigma t)) then aux (Some j) (j+1) u else aux i (j+1) u | _ -> match i with | Some i -> i @@ -1330,14 +1336,14 @@ let enforce_prop_bound_names rename tac = (* so as to avoid having hypothesis such as "t:True", "n:~A" when calling *) (* elim or induction with schemes built by Indrec.build_induction_scheme *) let rec aux env sigma i t = - if i = 0 then t else match kind_of_term t with + if i = 0 then t else match EConstr.kind sigma t with | Prod (Name _ as na,t,t') -> let very_standard = true in let na = if Retyping.get_sort_family_of env sigma t = InProp then (* "very_standard" says that we should have "H" names only, but this would break compatibility even more... *) - let s = match Namegen.head_name t with + let s = match Namegen.head_name sigma t with | Some id when not very_standard -> string_of_id id | _ -> "" in Name (add_suffix Namegen.default_prop_ident s) @@ -1348,9 +1354,9 @@ let enforce_prop_bound_names rename tac = mkProd (Anonymous,t,aux (push_rel (LocalAssum (Anonymous,t)) env) sigma (i-1) t') | LetIn (na,c,t,t') -> mkLetIn (na,c,t,aux (push_rel (LocalDef (na,c,t)) env) sigma (i-1) t') - | _ -> print_int i; Feedback.msg_notice (print_constr t); assert false in + | _ -> assert false in let rename_branch i = - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Tacmach.New.project gl in let t = Proofview.Goal.concl gl in @@ -1362,10 +1368,10 @@ let enforce_prop_bound_names rename tac = | _ -> tac -let rec contract_letin_in_lam_header c = - match kind_of_term c with - | Lambda (x,t,c) -> mkLambda (x,t,contract_letin_in_lam_header c) - | LetIn (x,b,t,c) -> contract_letin_in_lam_header (subst1 b c) +let rec contract_letin_in_lam_header sigma c = + match EConstr.kind sigma c with + | Lambda (x,t,c) -> mkLambda (x,t,contract_letin_in_lam_header sigma c) + | LetIn (x,b,t,c) -> contract_letin_in_lam_header sigma (subst1 b c) | _ -> c let elimination_clause_scheme with_evars ?(with_classes=true) ?(flags=elim_flags ()) @@ -1373,10 +1379,10 @@ let elimination_clause_scheme with_evars ?(with_classes=true) ?(flags=elim_flags Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Tacmach.New.project gl in - let elim = contract_letin_in_lam_header elim in + let elim = contract_letin_in_lam_header sigma elim in let elimclause = make_clenv_binding env sigma (elim, elimty) bindings in let indmv = - (match kind_of_term (nth_arg i elimclause.templval.rebus) with + (match EConstr.kind sigma (nth_arg sigma i elimclause.templval.rebus) with | Meta mv -> mv | _ -> user_err ~hdr:"elimination_clause" (str "The type of elimination clause is not well-formed.")) @@ -1396,7 +1402,7 @@ let elimination_clause_scheme with_evars ?(with_classes=true) ?(flags=elim_flags type eliminator = { elimindex : int option; (* None = find it automatically *) elimrename : (bool * int array) option; (** None = don't rename Prop hyps with H-names *) - elimbody : constr with_bindings + elimbody : EConstr.constr with_bindings } let general_elim_clause_gen elimtac indclause elim = @@ -1406,7 +1412,7 @@ let general_elim_clause_gen elimtac indclause elim = let (elimc,lbindelimc) = elim.elimbody in let elimt = Retyping.get_type_of env sigma elimc in let i = - match elim.elimindex with None -> index_of_ind_arg elimt | Some i -> i in + match elim.elimindex with None -> index_of_ind_arg sigma elimt | Some i -> i in elimtac elim.elimrename i (elimc, elimt, lbindelimc) indclause end } @@ -1428,18 +1434,20 @@ let general_elim with_evars clear_flag (c, lbindc) elim = (* Case analysis tactics *) let general_case_analysis_in_context with_evars clear_flag (c,lbindc) = - Proofview.Goal.nf_s_enter { s_enter = begin fun gl -> + Proofview.Goal.s_enter { s_enter = begin fun gl -> let sigma = Proofview.Goal.sigma gl in let env = Proofview.Goal.env gl in let concl = Proofview.Goal.concl gl in let t = Retyping.get_type_of env (Sigma.to_evar_map sigma) c in let (mind,_) = reduce_to_quantified_ind env (Sigma.to_evar_map sigma) t in let sort = Tacticals.New.elimination_sort_of_goal gl in + let mind = on_snd (fun u -> EInstance.kind (Sigma.to_evar_map sigma) u) mind in let Sigma (elim, sigma, p) = - if occur_term c concl then + if occur_term (Sigma.to_evar_map sigma) c concl then build_case_analysis_scheme env sigma mind true sort else build_case_analysis_scheme_default env sigma mind sort in + let elim = EConstr.of_constr elim in let tac = (general_elim with_evars clear_flag (c,lbindc) {elimindex = None; elimbody = (elim,NoBindings); @@ -1449,7 +1457,8 @@ let general_case_analysis_in_context with_evars clear_flag (c,lbindc) = end } let general_case_analysis with_evars clear_flag (c,lbindc as cx) = - match kind_of_term c with + Proofview.tclEVARMAP >>= fun sigma -> + match EConstr.kind sigma c with | Var id when lbindc == NoBindings -> Tacticals.New.tclTHEN (try_intros_until_id_check id) (general_case_analysis_in_context with_evars clear_flag cx) @@ -1469,6 +1478,7 @@ let is_nonrec mind = (Global.lookup_mind (fst mind)).mind_finite == Decl_kinds.B let find_ind_eliminator ind s gl = let gr = lookup_eliminator ind s in let evd, c = Tacmach.New.pf_apply Evd.fresh_global gl gr in + let c = EConstr.of_constr c in evd, c let find_eliminator c gl = @@ -1502,7 +1512,8 @@ let elim_in_context with_evars clear_flag c = function | None -> default_elim with_evars clear_flag c let elim with_evars clear_flag (c,lbindc as cx) elim = - match kind_of_term c with + Proofview.tclEVARMAP >>= fun sigma -> + match EConstr.kind sigma c with | Var id when lbindc == NoBindings -> Tacticals.New.tclTHEN (try_intros_until_id_check id) (elim_in_context with_evars clear_flag cx elim) @@ -1536,9 +1547,9 @@ let elimination_in_clause_scheme with_evars ?(flags=elim_flags ()) Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Tacmach.New.project gl in - let elim = contract_letin_in_lam_header elim in + let elim = contract_letin_in_lam_header sigma elim in let elimclause = make_clenv_binding env sigma (elim, elimty) bindings in - let indmv = destMeta (nth_arg i elimclause.templval.rebus) in + let indmv = destMeta sigma (nth_arg sigma i elimclause.templval.rebus) in let hypmv = try match List.remove Int.equal indmv (clenv_independent elimclause) with | [a] -> a @@ -1551,7 +1562,7 @@ let elimination_in_clause_scheme with_evars ?(flags=elim_flags ()) let hypclause = mk_clenv_from_env env sigma (Some 0) (hyp, hyp_typ) in let elimclause'' = clenv_fchain_in id ~flags hypmv elimclause' hypclause in let new_hyp_typ = clenv_type elimclause'' in - if Term.eq_constr hyp_typ new_hyp_typ then + if EConstr.eq_constr sigma hyp_typ new_hyp_typ then user_err ~hdr:"general_rewrite_in" (str "Nothing to rewrite in " ++ pr_id id ++ str"."); clenv_refine_in with_evars id id sigma elimclause'' @@ -1576,21 +1587,23 @@ let make_projection env sigma params cstr sign elim i n c u = let elim = match elim with | NotADefinedRecordUseScheme elim -> (* bugs: goes from right to left when i increases! *) - let decl = List.nth cstr.cs_args i in + let cs_args = List.map (fun d -> map_rel_decl EConstr.of_constr d) cstr.cs_args in + let decl = List.nth cs_args i in let t = RelDecl.get_type decl in let b = match decl with LocalAssum _ -> mkRel (i+1) | LocalDef (_,b,_) -> b in - let branch = it_mkLambda_or_LetIn b cstr.cs_args in + let branch = it_mkLambda_or_LetIn b cs_args in if (* excludes dependent projection types *) - noccur_between 1 (n-i-1) t + noccur_between sigma 1 (n-i-1) t (* to avoid surprising unifications, excludes flexible projection types or lambda which will be instantiated by Meta/Evar *) - && not (isEvar (fst (whd_betaiota_stack sigma t))) - && (accept_universal_lemma_under_conjunctions () || not (isRel t)) + && not (isEvar sigma (fst (whd_betaiota_stack sigma t))) + && (accept_universal_lemma_under_conjunctions () || not (isRel sigma t)) then let t = lift (i+1-n) t in - let abselim = beta_applist (elim,params@[t;branch]) in - let c = beta_applist (abselim, [mkApp (c, Context.Rel.to_extended_vect 0 sign)]) in + let abselim = beta_applist sigma (elim, params@[t;branch]) in + let args = Context.Rel.to_extended_vect mkRel 0 sign in + let c = beta_applist sigma (abselim, [mkApp (c, args)]) in Some (it_mkLambda_or_LetIn c sign, it_mkProd_or_LetIn t sign) else None @@ -1598,7 +1611,7 @@ let make_projection env sigma params cstr sign elim i n c u = (* goes from left to right when i increases! *) match List.nth l i with | Some proj -> - let args = Context.Rel.to_extended_vect 0 sign in + let args = Context.Rel.to_extended_vect mkRel 0 sign in let proj = if Environ.is_projection proj env then mkProj (Projection.make proj false, mkApp (c, args)) @@ -1613,25 +1626,28 @@ let make_projection env sigma params cstr sign elim i n c u = in elim let descend_in_conjunctions avoid tac (err, info) c = - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Tacmach.New.project gl in try let t = Retyping.get_type_of env sigma c in let ((ind,u),t) = reduce_to_quantified_ind env sigma t in - let sign,ccl = decompose_prod_assum t in - match match_with_tuple ccl with + let sign,ccl = EConstr.decompose_prod_assum sigma t in + match match_with_tuple sigma ccl with | Some (_,_,isrec) -> let n = (constructors_nrealargs ind).(0) in let sort = Tacticals.New.elimination_sort_of_goal gl in let IndType (indf,_) = find_rectype env sigma ccl in let (_,inst), params = dest_ind_family indf in + let params = List.map EConstr.of_constr params in let cstr = (get_constructors env indf).(0) in let elim = try DefinedRecord (Recordops.lookup_projections ind) with Not_found -> + let u = EInstance.kind sigma u in let sigma = Sigma.Unsafe.of_evar_map sigma in let Sigma (elim, _, _) = build_case_analysis_scheme env sigma (ind,u) false sort in + let elim = EConstr.of_constr elim in NotADefinedRecordUseScheme elim in Tacticals.New.tclORELSE0 (Tacticals.New.tclFIRST @@ -1658,7 +1674,7 @@ let descend_in_conjunctions avoid tac (err, info) c = (****************************************************) let solve_remaining_apply_goals = - Proofview.Goal.nf_s_enter { s_enter = begin fun gl -> + Proofview.Goal.s_enter { s_enter = begin fun gl -> let sigma = Proofview.Goal.sigma gl in if !apply_solve_class_goals then try @@ -1682,15 +1698,16 @@ let tclORELSEOPT t k = Proofview.tclZERO ~info e | Some tac -> tac) -let general_apply with_delta with_destruct with_evars clear_flag (loc,(c,lbind)) = - Proofview.Goal.nf_enter { enter = begin fun gl -> +let general_apply with_delta with_destruct with_evars clear_flag (loc,(c,lbind : EConstr.constr with_bindings)) = + Proofview.Goal.enter { enter = begin fun gl -> let concl = Proofview.Goal.concl gl in + let sigma = Tacmach.New.project gl in let flags = if with_delta then default_unify_flags () else default_no_delta_unify_flags () in (* The actual type of the theorem. It will be matched against the goal. If this fails, then the head constant will be unfolded step by step. *) - let concl_nprod = nb_prod_modulo_zeta concl in + let concl_nprod = nb_prod_modulo_zeta sigma concl in let rec try_main_apply with_destruct c = Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in @@ -1699,7 +1716,7 @@ let general_apply with_delta with_destruct with_evars clear_flag (loc,(c,lbind)) let thm_ty0 = nf_betaiota sigma (Retyping.get_type_of env sigma c) in let try_apply thm_ty nprod = try - let n = nb_prod_modulo_zeta thm_ty - nprod in + let n = nb_prod_modulo_zeta sigma thm_ty - nprod in if n<0 then error "Applied theorem has not enough premisses."; let clause = make_clenv_binding_apply env sigma (Some n) (c,thm_ty) lbind in Clenvtac.res_pf clause ~with_evars ~flags @@ -1826,9 +1843,9 @@ let progress_with_clause flags innerclause clause = let explain_unable_to_apply_lemma loc env sigma thm innerclause = user_err ~loc (hov 0 (Pp.str "Unable to apply lemma of type" ++ brk(1,1) ++ - Pp.quote (Printer.pr_lconstr_env env sigma thm) ++ spc() ++ + Pp.quote (Printer.pr_leconstr_env env sigma thm) ++ spc() ++ str "on hypothesis of type" ++ brk(1,1) ++ - Pp.quote (Printer.pr_lconstr_env innerclause.env innerclause.evd (clenv_type innerclause)) ++ + Pp.quote (Printer.pr_leconstr_env innerclause.env innerclause.evd (clenv_type innerclause)) ++ str ".")) let apply_in_once_main flags innerclause env sigma (loc,d,lbind) = @@ -1848,7 +1865,7 @@ let apply_in_once_main flags innerclause env sigma (loc,d,lbind) = let apply_in_once sidecond_first with_delta with_destruct with_evars naming id (clear_flag,(loc,(d,lbind))) tac = let open Context.Rel.Declaration in - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Tacmach.New.project gl in let flags = @@ -1909,9 +1926,10 @@ let apply_in_delayed_once sidecond_first with_delta with_destruct with_evars nam *) let cut_and_apply c = - Proofview.Goal.nf_enter { enter = begin fun gl -> - match kind_of_term (Tacmach.New.pf_hnf_constr gl (Tacmach.New.pf_unsafe_type_of gl c)) with - | Prod (_,c1,c2) when not (dependent (mkRel 1) c2) -> + Proofview.Goal.enter { enter = begin fun gl -> + let sigma = Tacmach.New.project gl in + match EConstr.kind sigma (Tacmach.New.pf_hnf_constr gl (Tacmach.New.pf_unsafe_type_of gl c)) with + | Prod (_,c1,c2) when Vars.noccurn sigma 1 c2 -> let concl = Proofview.Goal.concl gl in let env = Tacmach.New.pf_env gl in Refine.refine { run = begin fun sigma -> @@ -1954,7 +1972,7 @@ let exact_check c = let cast_no_check cast c = Proofview.Goal.enter { enter = begin fun gl -> let concl = Proofview.Goal.concl (Proofview.Goal.assume gl) in - exact_no_check (Term.mkCast (c, cast, concl)) + exact_no_check (mkCast (c, cast, concl)) end } let vm_cast_no_check c = cast_no_check Term.VMcast c @@ -1962,10 +1980,11 @@ let native_cast_no_check c = cast_no_check Term.NATIVEcast c let exact_proof c = let open Tacmach.New in - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> Refine.refine { run = begin fun sigma -> let sigma = Sigma.to_evar_map sigma in let (c, ctx) = Constrintern.interp_casted_constr (pf_env gl) sigma c (pf_concl gl) in + let c = EConstr.of_constr c in let sigma = Evd.merge_universe_context sigma ctx in Sigma.Unsafe.of_pair (c, sigma) end } @@ -1983,7 +2002,7 @@ let assumption = let concl = Proofview.Goal.concl gl in let sigma = Tacmach.New.project gl in let (sigma, is_same_type) = - if only_eq then (sigma, Constr.equal t concl) + if only_eq then (sigma, EConstr.eq_constr sigma t concl) else let env = Proofview.Goal.env gl in infer_conv env sigma t concl @@ -1997,7 +2016,7 @@ let assumption = let hyps = Proofview.Goal.hyps gl in arec gl true hyps end } in - Proofview.Goal.nf_enter assumption_tac + Proofview.Goal.enter assumption_tac (*****************************************************************) (* Modification of a local context *) @@ -2058,7 +2077,7 @@ let clear_body ids = (** Do no recheck hypotheses that do not depend *) let sigma = if not seen then sigma - else if List.exists (fun id -> occur_var_in_decl env id decl) ids then + else if List.exists (fun id -> occur_var_in_decl env sigma id decl) ids then check_decl env sigma decl else sigma in @@ -2067,7 +2086,7 @@ let clear_body ids = in let (env, sigma, _) = List.fold_left check (base_env, sigma, false) (List.rev ctx) in let sigma = - if List.exists (fun id -> occur_var env id concl) ids then + if List.exists (fun id -> occur_var env sigma id concl) ids then check_is_type env sigma concl else sigma in @@ -2102,15 +2121,17 @@ let rec intros_clearing = function (* Keeping only a few hypotheses *) let keep hyps = - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> Proofview.tclENV >>= fun env -> let ccl = Proofview.Goal.concl gl in + let sigma = Tacmach.New.project gl in let cl,_ = fold_named_context_reverse (fun (clear,keep) decl -> + let decl = map_named_decl EConstr.of_constr decl in let hyp = NamedDecl.get_id decl in if Id.List.mem hyp hyps - || List.exists (occur_var_in_decl env hyp) keep - || occur_var env hyp ccl + || List.exists (occur_var_in_decl env sigma hyp) keep + || occur_var env sigma hyp ccl then (clear,decl::keep) else (hyp::clear,keep)) ~init:([],[]) (Proofview.Goal.env gl) @@ -2148,9 +2169,9 @@ let bring_hyps hyps = Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let store = Proofview.Goal.extra gl in - let concl = Tacmach.New.pf_nf_concl gl in + let concl = Tacmach.New.pf_concl gl in let newcl = List.fold_right mkNamedProd_or_LetIn hyps concl in - let args = Array.of_list (Context.Named.to_instance hyps) in + let args = Array.of_list (Context.Named.to_instance mkVar hyps) in Refine.refine { run = begin fun sigma -> let Sigma (ev, sigma, p) = Evarutil.new_evar env sigma ~principal:true ~store newcl in @@ -2182,7 +2203,7 @@ let check_number_of_constructors expctdnumopt i nconstr = let constructor_tac with_evars expctdnumopt i lbind = Proofview.Goal.s_enter { s_enter = begin fun gl -> let sigma = Proofview.Goal.sigma gl in - let cl = Tacmach.New.pf_nf_concl gl in + let cl = Tacmach.New.pf_concl gl in let reduce_to_quantified_ind = Tacmach.New.pf_apply Tacred.reduce_to_quantified_ind gl in @@ -2191,9 +2212,9 @@ let constructor_tac with_evars expctdnumopt i lbind = Array.length (snd (Global.lookup_inductive (fst mind))).mind_consnames in check_number_of_constructors expctdnumopt i nconstr; - let Sigma (cons, sigma, p) = Sigma.fresh_constructor_instance + let Sigma ((cons, u), sigma, p) = Sigma.fresh_constructor_instance (Proofview.Goal.env gl) sigma (fst mind, i) in - let cons = mkConstructU cons in + let cons = mkConstructU (cons, EInstance.make u) in let apply_tac = general_apply true false with_evars None (dloc,(cons,lbind)) in let tac = @@ -2221,7 +2242,7 @@ let any_constructor with_evars tacopt = let t = match tacopt with None -> Proofview.tclUNIT () | Some t -> t in let tac i = Tacticals.New.tclTHEN (constructor_tac with_evars None i NoBindings) t in Proofview.Goal.enter { enter = begin fun gl -> - let cl = Tacmach.New.pf_nf_concl gl in + let cl = Tacmach.New.pf_concl gl in let reduce_to_quantified_ind = Tacmach.New.pf_apply Tacred.reduce_to_quantified_ind gl in @@ -2281,7 +2302,7 @@ let my_find_eq_data_decompose gl t = | Constr_matching.PatternMatchingFailure -> None let intro_decomp_eq loc l thin tac id = - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> let c = mkVar id in let t = Tacmach.New.pf_unsafe_type_of gl c in let _,t = Tacmach.New.pf_reduce_to_quantified_ind gl t in @@ -2319,24 +2340,25 @@ let rewrite_hyp_then assert_style with_evars thin l2r id tac = List.filter (fun (_,id) -> not (Id.equal id id')) thin in Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in + let sigma = Tacmach.New.project gl in let type_of = Tacmach.New.pf_unsafe_type_of gl in let whd_all = Tacmach.New.pf_apply whd_all gl in let t = whd_all (type_of (mkVar id)) in - let eqtac, thin = match match_with_equality_type t with + let eqtac, thin = match match_with_equality_type sigma t with | Some (hdcncl,[_;lhs;rhs]) -> - if l2r && isVar lhs && not (occur_var env (destVar lhs) rhs) then - let id' = destVar lhs in + if l2r && isVar sigma lhs && not (occur_var env sigma (destVar sigma lhs) rhs) then + let id' = destVar sigma lhs in subst_on l2r id' rhs, early_clear id' thin - else if not l2r && isVar rhs && not (occur_var env (destVar rhs) lhs) then - let id' = destVar rhs in + else if not l2r && isVar sigma rhs && not (occur_var env sigma (destVar sigma rhs) lhs) then + let id' = destVar sigma rhs in subst_on l2r id' lhs, early_clear id' thin else Tacticals.New.tclTHEN (rew_on l2r onConcl) (clear [id]), thin | Some (hdcncl,[c]) -> let l2r = not l2r in (* equality of the form eq_true *) - if isVar c then - let id' = destVar c in + if isVar sigma c then + let id' = destVar sigma c in Tacticals.New.tclTHEN (rew_on l2r allHypsAndConcl) (clear_var_and_eq id'), early_clear id' thin @@ -2535,9 +2557,9 @@ let ipat_of_name = function | Anonymous -> None | Name id -> Some (dloc, IntroNaming (IntroIdentifier id)) -let head_ident c = - let c = fst (decompose_app ((strip_lam_assum c))) in - if isVar c then Some (destVar c) else None +let head_ident sigma c = + let c = fst (decompose_app sigma (snd (decompose_lam_assum sigma c))) in + if isVar sigma c then Some (destVar sigma c) else None let assert_as first hd ipat t = let naming,tac = prepare_intros false IntroAnonymous MoveLast ipat in @@ -2619,7 +2641,9 @@ let letin_tac_gen with_eq (id,depdecls,lastlhyp,ccl,c) ty = let eqdata = build_coq_eq_data () in let args = if lr then [t;mkVar id;c] else [t;c;mkVar id]in let Sigma (eq, sigma, p) = Sigma.fresh_global env sigma eqdata.eq in + let eq = EConstr.of_constr eq in let Sigma (refl, sigma, q) = Sigma.fresh_global env sigma eqdata.refl in + let refl = EConstr.of_constr refl in let eq = applist (eq,args) in let refl = applist (refl, [t;mkVar id]) in let term = mkNamedLetIn id c t (mkLetIn (Name heq, refl, eq, ccl)) in @@ -2650,6 +2674,7 @@ let insert_before decls lasthyp env = | Some id -> Environ.fold_named_context (fun _ d env -> + let d = map_named_decl EConstr.of_constr d in let env = if Id.equal id (NamedDecl.get_id d) then push_named_context decls env else env in push_named d env) ~init:(reset_context env) env @@ -2674,7 +2699,9 @@ let mkletin_goal env sigma store with_eq dep (id,lastlhyp,ccl,c) ty = let eqdata = build_coq_eq_data () in let args = if lr then [t;mkVar id;c] else [t;c;mkVar id]in let Sigma (eq, sigma, p) = Sigma.fresh_global env sigma eqdata.eq in + let eq = EConstr.of_constr eq in let Sigma (refl, sigma, q) = Sigma.fresh_global env sigma eqdata.refl in + let refl = EConstr.of_constr refl in let eq = applist (eq,args) in let refl = applist (refl, [t;mkVar id]) in let newenv = insert_before [LocalAssum (heq,eq); decl] lastlhyp env in @@ -2686,7 +2713,7 @@ let mkletin_goal env sigma store with_eq dep (id,lastlhyp,ccl,c) ty = Sigma (mkNamedLetIn id c t x, sigma, p) let letin_tac with_eq id c ty occs = - Proofview.Goal.nf_s_enter { s_enter = begin fun gl -> + Proofview.Goal.s_enter { s_enter = begin fun gl -> let sigma = Proofview.Goal.sigma gl in let env = Proofview.Goal.env gl in let ccl = Proofview.Goal.concl gl in @@ -2703,7 +2730,7 @@ let letin_tac with_eq id c ty occs = end } let letin_pat_tac with_eq id c occs = - Proofview.Goal.nf_s_enter { s_enter = begin fun gl -> + Proofview.Goal.s_enter { s_enter = begin fun gl -> let sigma = Proofview.Goal.sigma gl in let env = Proofview.Goal.env gl in let ccl = Proofview.Goal.concl gl in @@ -2725,7 +2752,8 @@ let forward b usetac ipat c = | None -> Proofview.Goal.enter { enter = begin fun gl -> let t = Tacmach.New.pf_get_type_of gl c in - let hd = head_ident c in + let sigma = Tacmach.New.project gl in + let hd = head_ident sigma c in Tacticals.New.tclTHENFIRST (assert_as true hd ipat t) (exact_no_check c) end } | Some tac -> @@ -2748,22 +2776,22 @@ let enough_by na t tac = forward false (Some (Some tac)) (ipat_of_name na) t (* Compute a name for a generalization *) -let generalized_name c t ids cl = function +let generalized_name env sigma c t ids cl = function | Name id as na -> if Id.List.mem id ids then user_err (pr_id id ++ str " is already used."); na | Anonymous -> - match kind_of_term c with + match EConstr.kind sigma c with | Var id -> (* Keep the name even if not occurring: may be used by intros later *) Name id | _ -> - if noccurn 1 cl then Anonymous else + if noccurn sigma 1 cl then Anonymous else (* On ne s'etait pas casse la tete : on avait pris pour nom de variable la premiere lettre du type, meme si "c" avait ete une constante dont on aurait pu prendre directement le nom *) - named_hd (Global.env()) t Anonymous + named_hd env sigma t Anonymous (* Abstract over [c] in [forall x1:A1(c)..xi:Ai(c).T(c)] producing [forall x, x1:A1(x1), .., xi:Ai(x). T(x)] with all [c] abtracted in [Ai] @@ -2771,11 +2799,11 @@ let generalized_name c t ids cl = function let generalize_goal_gen env sigma ids i ((occs,c,b),na) t cl = let open Context.Rel.Declaration in - let decls,cl = decompose_prod_n_assum i cl in + let decls,cl = decompose_prod_n_assum sigma i cl in let dummy_prod = it_mkProd_or_LetIn mkProp decls in - let newdecls,_ = decompose_prod_n_assum i (subst_term_gen eq_constr_nounivs c dummy_prod) in + let newdecls,_ = decompose_prod_n_assum sigma i (subst_term_gen sigma EConstr.eq_constr_nounivs c dummy_prod) in let cl',sigma' = subst_closed_term_occ env sigma (AtOccs occs) c (it_mkProd_or_LetIn cl newdecls) in - let na = generalized_name c t ids cl' na in + let na = generalized_name env sigma c t ids cl' na in let decl = match b with | None -> LocalAssum (na,t) | Some b -> LocalDef (na,b,t) @@ -2788,13 +2816,20 @@ let generalize_goal gl i ((occs,c,b),na as o) (cl,sigma) = let sigma, t = Typing.type_of env sigma c in generalize_goal_gen env sigma ids i o t cl +let new_generalize_goal gl i ((occs,c,b),na as o) (cl,sigma) = + let env = Tacmach.New.pf_env gl in + let ids = Tacmach.New.pf_ids_of_hyps gl in + let sigma, t = Typing.type_of env sigma c in + generalize_goal_gen env sigma ids i o t cl + let old_generalize_dep ?(with_let=false) c gl = let env = pf_env gl in let sign = pf_hyps gl in + let sigma = project gl in let init_ids = ids_of_named_context (Global.named_context()) in - let seek (d:Context.Named.Declaration.t) (toquant:Context.Named.t) = - if List.exists (fun d' -> occur_var_in_decl env (NamedDecl.get_id d') d) toquant - || dependent_in_decl c d then + let seek (d:named_declaration) (toquant:named_context) = + if List.exists (fun d' -> occur_var_in_decl env sigma (NamedDecl.get_id d') d) toquant + || dependent_in_decl sigma c d then d::toquant else toquant in @@ -2803,7 +2838,7 @@ let old_generalize_dep ?(with_let=false) c gl = let qhyps = List.map NamedDecl.get_id to_quantify_rev in let tothin = List.filter (fun id -> not (Id.List.mem id init_ids)) qhyps in let tothin' = - match kind_of_term c with + match EConstr.kind sigma c with | Var id when mem_named_context_val id (val_of_named_context sign) && not (Id.List.mem id init_ids) -> id::tothin | _ -> tothin @@ -2811,7 +2846,7 @@ let old_generalize_dep ?(with_let=false) c gl = let cl' = it_mkNamedProd_or_LetIn (Tacmach.pf_concl gl) to_quantify in let body = if with_let then - match kind_of_term c with + match EConstr.kind sigma c with | Var id -> id |> Tacmach.pf_get_hyp gl |> NamedDecl.get_value | _ -> None else None @@ -2820,7 +2855,7 @@ let old_generalize_dep ?(with_let=false) c gl = (cl',project gl) in (** Check that the generalization is indeed well-typed *) let (evd, _) = Typing.type_of env evd cl'' in - let args = Context.Named.to_instance to_quantify_rev in + let args = Context.Named.to_instance mkVar to_quantify_rev in tclTHENLIST [tclEVARS evd; Proofview.V82.of_tactic (apply_type cl'' (if Option.is_empty body then c::args else args)); @@ -2831,10 +2866,10 @@ let generalize_dep ?(with_let = false) c = Proofview.V82.tactic (old_generalize_dep ~with_let c) (** *) -let generalize_gen_let lconstr = Proofview.Goal.nf_s_enter { s_enter = begin fun gl -> +let generalize_gen_let lconstr = Proofview.Goal.s_enter { s_enter = begin fun gl -> let env = Proofview.Goal.env gl in let newcl, evd = - List.fold_right_i (Tacmach.New.of_old generalize_goal gl) 0 lconstr + List.fold_right_i (new_generalize_goal gl) 0 lconstr (Tacmach.New.pf_concl gl,Tacmach.New.project gl) in let (evd, _) = Typing.type_of env evd newcl in @@ -2910,19 +2945,19 @@ let specialize (c,lbind) ipat = let (thd,tstack) = whd_nored_stack clause.evd (clenv_value clause) in let rec chk = function | [] -> [] - | t::l -> if occur_meta t then [] else t :: chk l + | t::l -> if occur_meta clause.evd t then [] else t :: chk l in let tstack = chk tstack in let term = applist(thd,List.map (nf_evar clause.evd) tstack) in - if occur_meta term then + if occur_meta clause.evd term then user_err (str "Cannot infer an instance for " ++ - pr_name (meta_name clause.evd (List.hd (collect_metas term))) ++ + pr_name (meta_name clause.evd (List.hd (collect_metas clause.evd term))) ++ str "."); clause.evd, term in let typ = Retyping.get_type_of env sigma term in let tac = - match kind_of_term (fst(decompose_app (snd(decompose_lam_assum c)))) with + match EConstr.kind sigma (fst(EConstr.decompose_app sigma (snd(EConstr.decompose_lam_assum sigma c)))) with | Var id when Id.List.mem id (Tacmach.New.pf_ids_of_hyps gl) -> (* Like assert (id:=id args) but with the concept of specialization *) let naming,tac = @@ -2964,6 +2999,7 @@ let unfold_body x = (pr_id x ++ str" is not a defined hypothesis.") | LocalDef (_,xval,_) -> xval in + let xval = EConstr.of_constr xval in Tacticals.New.afterHyp x begin fun aft -> let hl = List.fold_right (fun decl cl -> (NamedDecl.get_id decl, InHyp) :: cl) aft [] in let rfun _ _ c = replace_vars [x, xval] c in @@ -3016,7 +3052,7 @@ let warn_unused_intro_pattern = strbrk"Unused introduction " ++ str (String.plural (List.length names) "pattern") ++ str": " ++ prlist_with_sep spc (Miscprint.pr_intro_pattern - (fun c -> Printer.pr_constr (fst (run_delayed (Global.env()) Evd.empty c)))) names) + (fun c -> Printer.pr_econstr (fst (run_delayed (Global.env()) Evd.empty c)))) names) let check_unused_names names = if not (List.is_empty names) then @@ -3150,12 +3186,12 @@ let induct_discharge with_evars dests avoid' tac (avoid,ra) names = substitutions aussi sur l'argument voisin *) let expand_projections env sigma c = - let sigma = Sigma.to_evar_map sigma in let rec aux env c = - match kind_of_term c with + match EConstr.kind sigma c with | Proj (p, c) -> Retyping.expand_projection env sigma p (aux env c) [] - | _ -> map_constr_with_full_binders push_rel aux env c - in aux env c + | _ -> map_constr_with_full_binders sigma push_rel aux env c + in + aux env c (* Marche pas... faut prendre en compte l'occurrence précise... *) @@ -3163,13 +3199,13 @@ let expand_projections env sigma c = let atomize_param_of_ind_then (indref,nparams,_) hyp0 tac = Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in + let sigma = Tacmach.New.project gl in let tmptyp0 = Tacmach.New.pf_get_hyp_typ hyp0 (Proofview.Goal.assume gl) in let reduce_to_quantified_ref = Tacmach.New.pf_apply reduce_to_quantified_ref gl in let typ0 = reduce_to_quantified_ref indref tmptyp0 in - let prods, indtyp = decompose_prod_assum typ0 in - let hd,argl = decompose_app indtyp in + let prods, indtyp = decompose_prod_assum sigma typ0 in + let hd,argl = decompose_app sigma indtyp in let env' = push_rel_context prods env in - let sigma = Proofview.Goal.sigma gl in let params = List.firstn nparams argl in let params' = List.map (expand_projections env' sigma) params in (* le gl est important pour ne pas préévaluer *) @@ -3181,17 +3217,18 @@ let atomize_param_of_ind_then (indref,nparams,_) hyp0 tac = (tac avoid) else let c = List.nth argl (i-1) in - match kind_of_term c with - | Var id when not (List.exists (occur_var env id) args') && - not (List.exists (occur_var env id) params') -> + match EConstr.kind sigma c with + | Var id when not (List.exists (fun c -> occur_var env sigma id c) args') && + not (List.exists (fun c -> occur_var env sigma id c) params') -> (* Based on the knowledge given by the user, all constraints on the variable are generalizable in the current environment so that it is clearable after destruction *) atomize_one (i-1) (c::args) (c::args') (id::avoid) | _ -> let c' = expand_projections env' sigma c in - if List.exists (dependent c) params' || - List.exists (dependent c) args' + let dependent t = dependent sigma c t in + if List.exists dependent params' || + List.exists dependent args' then (* This is a case where the argument is constrained in a way which would require some kind of inversion; we @@ -3203,11 +3240,11 @@ let atomize_param_of_ind_then (indref,nparams,_) hyp0 tac = (* We reason blindly on the term and do as if it were generalizable, ignoring the constraints coming from its structure *) - let id = match kind_of_term c with + let id = match EConstr.kind sigma c with | Var id -> id | _ -> let type_of = Tacmach.New.pf_unsafe_type_of gl in - id_of_name_using_hdchar (Global.env()) (type_of c) Anonymous in + id_of_name_using_hdchar (Global.env()) sigma (type_of c) Anonymous in let x = fresh_id_in_env avoid id env in Tacticals.New.tclTHEN (letin_tac None (Name x) c None allHypsAndConcl) @@ -3281,7 +3318,7 @@ let atomize_param_of_ind_then (indref,nparams,_) hyp0 tac = exception Shunt of Id.t move_location -let cook_sign hyp0_opt inhyps indvars env = +let cook_sign hyp0_opt inhyps indvars env sigma = (* First phase from L to R: get [toclear], [decldep] and [statuslist] for the hypotheses before (= more ancient than) hyp0 (see above) *) let toclear = ref [] in @@ -3293,6 +3330,7 @@ let cook_sign hyp0_opt inhyps indvars env = let before = ref true in let maindep = ref false in let seek_deps env decl rhyp = + let decl = map_named_decl EConstr.of_constr decl in let hyp = NamedDecl.get_id decl in if (match hyp0_opt with Some hyp0 -> Id.equal hyp hyp0 | _ -> false) then begin @@ -3308,11 +3346,11 @@ let cook_sign hyp0_opt inhyps indvars env = rhyp end else let dephyp0 = List.is_empty inhyps && - (Option.cata (fun id -> occur_var_in_decl env id decl) false hyp0_opt) + (Option.cata (fun id -> occur_var_in_decl env sigma id decl) false hyp0_opt) in let depother = List.is_empty inhyps && - (List.exists (fun id -> occur_var_in_decl env id decl) indvars || - List.exists (fun decl' -> occur_var_in_decl env (NamedDecl.get_id decl') decl) !decldeps) + (List.exists (fun id -> occur_var_in_decl env sigma id decl) indvars || + List.exists (fun decl' -> occur_var_in_decl env sigma (NamedDecl.get_id decl') decl) !decldeps) in if not (List.is_empty inhyps) && Id.List.mem hyp inhyps || dephyp0 || depother @@ -3385,15 +3423,15 @@ type elim_scheme = { elimc: constr with_bindings option; elimt: types; indref: global_reference option; - params: Context.Rel.t; (* (prm1,tprm1);(prm2,tprm2)...(prmp,tprmp) *) + params: rel_context; (* (prm1,tprm1);(prm2,tprm2)...(prmp,tprmp) *) nparams: int; (* number of parameters *) - predicates: Context.Rel.t; (* (Qq, (Tq_1 -> Tq_2 ->...-> Tq_nq)), (Q1,...) *) + predicates: rel_context; (* (Qq, (Tq_1 -> Tq_2 ->...-> Tq_nq)), (Q1,...) *) npredicates: int; (* Number of predicates *) - branches: Context.Rel.t; (* branchr,...,branch1 *) + branches: rel_context; (* branchr,...,branch1 *) nbranches: int; (* Number of branches *) - args: Context.Rel.t; (* (xni, Ti_ni) ... (x1, Ti_1) *) + args: rel_context; (* (xni, Ti_ni) ... (x1, Ti_1) *) nargs: int; (* number of arguments *) - indarg: Context.Rel.Declaration.t option; (* Some (H,I prm1..prmp x1...xni) + indarg: rel_declaration option; (* Some (H,I prm1..prmp x1...xni) if HI is in premisses, None otherwise *) concl: types; (* Qi x1...xni HI (f...), HI and (f...) are optional and mutually exclusive *) @@ -3458,13 +3496,13 @@ let error_ind_scheme s = let s = if not (String.is_empty s) then s^" " else s in user_err ~hdr:"Tactics" (str "Cannot recognize " ++ str s ++ str "an induction scheme.") -let glob = Universes.constr_of_global +let glob c = EConstr.of_constr (Universes.constr_of_global c) let coq_eq = lazy (glob (Coqlib.build_coq_eq ())) let coq_eq_refl = lazy (glob (Coqlib.build_coq_eq_refl ())) -let coq_heq = lazy (Coqlib.coq_constant "mkHEq" ["Logic";"JMeq"] "JMeq") -let coq_heq_refl = lazy (Coqlib.coq_constant "mkHEq" ["Logic";"JMeq"] "JMeq_refl") +let coq_heq = lazy (EConstr.of_constr (Coqlib.coq_constant "mkHEq" ["Logic";"JMeq"] "JMeq")) +let coq_heq_refl = lazy (EConstr.of_constr (Coqlib.coq_constant "mkHEq" ["Logic";"JMeq"] "JMeq_refl")) let mkEq t x y = @@ -3491,24 +3529,24 @@ let lift_togethern n l = let lift_list l = List.map (lift 1) l -let ids_of_constr ?(all=false) vars c = +let ids_of_constr sigma ?(all=false) vars c = let rec aux vars c = - match kind_of_term c with + match EConstr.kind sigma c with | Var id -> Id.Set.add id vars | App (f, args) -> - (match kind_of_term f with + (match EConstr.kind sigma f with | Construct ((ind,_),_) | Ind (ind,_) -> let (mib,mip) = Global.lookup_inductive ind in Array.fold_left_from (if all then 0 else mib.Declarations.mind_nparams) aux vars args - | _ -> Term.fold_constr aux vars c) - | _ -> Term.fold_constr aux vars c + | _ -> EConstr.fold sigma aux vars c) + | _ -> EConstr.fold sigma aux vars c in aux vars c -let decompose_indapp f args = - match kind_of_term f with +let decompose_indapp sigma f args = + match EConstr.kind sigma f with | Construct ((ind,_),_) | Ind (ind,_) -> let (mib,mip) = Global.lookup_inductive ind in @@ -3558,7 +3596,7 @@ let make_abstract_generalize env id typ concl dep ctx body c eqs args refls = Sigma (mkApp (appeqs, abshypt), sigma, p) end } -let hyps_of_vars env sign nogen hyps = +let hyps_of_vars env sigma sign nogen hyps = if Id.Set.is_empty hyps then [] else let (_,lh) = @@ -3568,7 +3606,7 @@ let hyps_of_vars env sign nogen hyps = if Id.Set.mem x nogen then (hs,hl) else if Id.Set.mem x hs then (hs,x::hl) else - let xvars = global_vars_set_of_decl env d in + let xvars = global_vars_set_of_decl env sigma d in if not (Id.Set.is_empty (Id.Set.diff xvars hs)) then (Id.Set.add x hs, x :: hl) else (hs, hl)) @@ -3578,11 +3616,11 @@ let hyps_of_vars env sign nogen hyps = exception Seen -let linear vars args = +let linear sigma vars args = let seen = ref vars in try Array.iter (fun i -> - let rels = ids_of_constr ~all:true Id.Set.empty i in + let rels = ids_of_constr sigma ~all:true Id.Set.empty i in let seen' = Id.Set.fold (fun id acc -> if Id.Set.mem id acc then raise Seen @@ -3597,14 +3635,15 @@ let is_defined_variable env id = env |> lookup_named id |> is_local_def let abstract_args gl generalize_vars dep id defined f args = + let open Tacmach.New in let open Context.Rel.Declaration in - let sigma = ref (Tacmach.project gl) in - let env = Tacmach.pf_env gl in - let concl = Tacmach.pf_concl gl in - let dep = dep || dependent (mkVar id) concl in + let sigma = ref (Tacmach.New.project gl) in + let env = Tacmach.New.pf_env gl in + let concl = Tacmach.New.pf_concl gl in + let dep = dep || local_occur_var !sigma id concl in let avoid = ref [] in let get_id name = - let id = fresh_id !avoid (match name with Name n -> n | Anonymous -> Id.of_string "gen_x") gl in + let id = new_fresh_id !avoid (match name with Name n -> n | Anonymous -> Id.of_string "gen_x") gl in avoid := id :: !avoid; id in (* Build application generalized w.r.t. the argument plus the necessary eqs. @@ -3619,13 +3658,13 @@ let abstract_args gl generalize_vars dep id defined f args = let decl = List.hd rel in RelDecl.get_name decl, RelDecl.get_type decl, c in - let argty = Tacmach.pf_unsafe_type_of gl arg in + let argty = Tacmach.New.pf_unsafe_type_of gl arg in let sigma', ty = Evarsolve.refresh_universes (Some true) env !sigma ty in let () = sigma := sigma' in let lenctx = List.length ctx in let liftargty = lift lenctx argty in - let leq = constr_cmp Reduction.CUMUL liftargty ty in - match kind_of_term arg with + let leq = constr_cmp !sigma Reduction.CUMUL liftargty ty in + match EConstr.kind !sigma arg with | Var id when not (is_defined_variable env id) && leq && not (Id.Set.mem id nongenvars) -> (subst1 arg arity, ctx, ctxenv, mkApp (c, [|arg|]), args, eqs, refls, Id.Set.add id nongenvars, Id.Set.remove id vars, env) @@ -3644,23 +3683,23 @@ let abstract_args gl generalize_vars dep id defined f args = in let eqs = eq :: lift_list eqs in let refls = refl :: refls in - let argvars = ids_of_constr vars arg in + let argvars = ids_of_constr !sigma vars arg in (arity, ctx, push_rel decl ctxenv, c', args, eqs, refls, nongenvars, Id.Set.union argvars vars, env) in - let f', args' = decompose_indapp f args in + let f', args' = decompose_indapp !sigma f args in let dogen, f', args' = - let parvars = ids_of_constr ~all:true Id.Set.empty f' in - if not (linear parvars args') then true, f, args + let parvars = ids_of_constr !sigma ~all:true Id.Set.empty f' in + if not (linear !sigma parvars args') then true, f, args else - match Array.findi (fun i x -> not (isVar x) || is_defined_variable env (destVar x)) args' with + match Array.findi (fun i x -> not (isVar !sigma x) || is_defined_variable env (destVar !sigma x)) args' with | None -> false, f', args' | Some nonvar -> let before, after = Array.chop nonvar args' in true, mkApp (f', before), after in if dogen then - let tyf' = Tacmach.pf_unsafe_type_of gl f' in + let tyf' = Tacmach.New.pf_unsafe_type_of gl f' in let arity, ctx, ctxenv, c', args, eqs, refls, nogen, vars, env = Array.fold_left aux (tyf',[],env,f',[],[],[],Id.Set.empty,Id.Set.empty,env) args' in @@ -3668,14 +3707,14 @@ let abstract_args gl generalize_vars dep id defined f args = let vars = if generalize_vars then let nogen = Id.Set.add id nogen in - hyps_of_vars (pf_env gl) (pf_hyps gl) nogen vars + hyps_of_vars (pf_env gl) (project gl) (Proofview.Goal.hyps gl) nogen vars else [] in let body, c' = if defined then Some c', Retyping.get_type_of ctxenv !sigma c' else None, c' in - let typ = Tacmach.pf_get_hyp_typ gl id in + let typ = Tacmach.New.pf_get_hyp_typ id gl in let tac = make_abstract_generalize (pf_env gl) id typ concl dep ctx body c' eqs args refls in let tac = Proofview.Unsafe.tclEVARS !sigma <*> tac in Some (tac, dep, succ (List.length ctx), vars) @@ -3683,21 +3722,22 @@ let abstract_args gl generalize_vars dep id defined f args = let abstract_generalize ?(generalize_vars=true) ?(force_dep=false) id = let open Context.Named.Declaration in - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> Coqlib.check_required_library Coqlib.jmeq_module_name; + let sigma = Tacmach.New.project gl in let (f, args, def, id, oldid) = let oldid = Tacmach.New.pf_get_new_id id gl in match Tacmach.New.pf_get_hyp id gl with - | LocalAssum (_,t) -> let f, args = decompose_app t in + | LocalAssum (_,t) -> let f, args = decompose_app sigma t in (f, args, false, id, oldid) | LocalDef (_,t,_) -> - let f, args = decompose_app t in + let f, args = decompose_app sigma t in (f, args, true, id, oldid) in if List.is_empty args then Proofview.tclUNIT () else let args = Array.of_list args in - let newc = Tacmach.New.of_old (fun gl -> abstract_args gl generalize_vars force_dep id def f args) gl in + let newc = abstract_args gl generalize_vars force_dep id def f args in match newc with | None -> Proofview.tclUNIT () | Some (tac, dep, n, vars) -> @@ -3720,9 +3760,12 @@ let abstract_generalize ?(generalize_vars=true) ?(force_dep=false) id = Tacticals.New.tclTRY (generalize_dep ~with_let:true (mkVar id))) vars]) end } -let rec compare_upto_variables x y = - if (isVar x || isRel x) && (isVar y || isRel y) then true - else compare_constr compare_upto_variables x y +let compare_upto_variables sigma x y = + let rec compare x y = + if (isVar sigma x || isRel sigma x) && (isVar sigma y || isRel sigma y) then true + else compare_constr sigma compare x y + in + compare x y let specialize_eqs id gl = let open Context.Rel.Declaration in @@ -3730,21 +3773,21 @@ let specialize_eqs id gl = let ty = Tacmach.pf_get_hyp_typ gl id in let evars = ref (project gl) in let unif env evars c1 c2 = - compare_upto_variables c1 c2 && Evarconv.e_conv env evars c1 c2 + compare_upto_variables !evars c1 c2 && Evarconv.e_conv env evars c1 c2 in let rec aux in_eqs ctx acc ty = - match kind_of_term ty with + match EConstr.kind !evars ty with | Prod (na, t, b) -> - (match kind_of_term t with - | App (eq, [| eqty; x; y |]) when Term.eq_constr (Lazy.force coq_eq) eq -> - let c = if noccur_between 1 (List.length ctx) x then y else x in + (match EConstr.kind !evars t with + | App (eq, [| eqty; x; y |]) when EConstr.eq_constr !evars (Lazy.force coq_eq) eq -> + let c = if noccur_between !evars 1 (List.length ctx) x then y else x in let pt = mkApp (Lazy.force coq_eq, [| eqty; c; c |]) in let p = mkApp (Lazy.force coq_eq_refl, [| eqty; c |]) in if unif (push_rel_context ctx env) evars pt t then aux true ctx (mkApp (acc, [| p |])) (subst1 p b) else acc, in_eqs, ctx, ty - | App (heq, [| eqty; x; eqty'; y |]) when Term.eq_constr heq (Lazy.force coq_heq) -> - let eqt, c = if noccur_between 1 (List.length ctx) x then eqty', y else eqty, x in + | App (heq, [| eqty; x; eqty'; y |]) when EConstr.eq_constr !evars heq (Lazy.force coq_heq) -> + let eqt, c = if noccur_between !evars 1 (List.length ctx) x then eqty', y else eqty, x in let pt = mkApp (Lazy.force coq_heq, [| eqt; c; eqt; c |]) in let p = mkApp (Lazy.force coq_heq_refl, [| eqt; c |]) in if unif (push_rel_context ctx env) evars pt t then @@ -3760,7 +3803,7 @@ let specialize_eqs id gl = let acc, worked, ctx, ty = aux false [] (mkVar id) ty in let ctx' = nf_rel_context_evar !evars ctx in let ctx'' = List.map (function - | LocalDef (n,k,t) when isEvar k -> LocalAssum (n,t) + | LocalDef (n,k,t) when isEvar !evars k -> LocalAssum (n,t) | decl -> decl) ctx' in let ty' = it_mkProd_or_LetIn ty ctx'' in @@ -3774,15 +3817,15 @@ let specialize_eqs id gl = else tclFAIL 0 (str "Nothing to do in hypothesis " ++ pr_id id) gl -let specialize_eqs id = Proofview.Goal.nf_enter { enter = begin fun gl -> +let specialize_eqs id = Proofview.Goal.enter { enter = begin fun gl -> let msg = str "Specialization not allowed on dependent hypotheses" in Proofview.tclOR (clear [id]) (fun _ -> Tacticals.New.tclZEROMSG msg) >>= fun () -> Proofview.V82.tactic (specialize_eqs id) end } -let occur_rel n c = - let res = not (noccurn n c) in +let occur_rel sigma n c = + let res = not (noccurn sigma n c) in res (* This function splits the products of the induction scheme [elimt] into four @@ -3793,20 +3836,20 @@ let occur_rel n c = if there is no branch, we try to fill in acc3 with args/indargs. We also return the conclusion. *) -let decompose_paramspred_branch_args elimt = +let decompose_paramspred_branch_args sigma elimt = let open Context.Rel.Declaration in let rec cut_noccur elimt acc2 = - match kind_of_term elimt with + match EConstr.kind sigma elimt with | Prod(nme,tpe,elimt') -> - let hd_tpe,_ = decompose_app ((strip_prod_assum tpe)) in - if not (occur_rel 1 elimt') && isRel hd_tpe + let hd_tpe,_ = decompose_app sigma (snd (decompose_prod_assum sigma tpe)) in + if not (occur_rel sigma 1 elimt') && isRel sigma hd_tpe then cut_noccur elimt' (LocalAssum (nme,tpe)::acc2) - else let acc3,ccl = decompose_prod_assum elimt in acc2 , acc3 , ccl + else let acc3,ccl = decompose_prod_assum sigma elimt in acc2 , acc3 , ccl | App(_, _) | Rel _ -> acc2 , [] , elimt | _ -> error_ind_scheme "" in let rec cut_occur elimt acc1 = - match kind_of_term elimt with - | Prod(nme,tpe,c) when occur_rel 1 c -> cut_occur c (LocalAssum (nme,tpe)::acc1) + match EConstr.kind sigma elimt with + | Prod(nme,tpe,c) when occur_rel sigma 1 c -> cut_occur c (LocalAssum (nme,tpe)::acc1) | Prod(nme,tpe,c) -> let acc2,acc3,ccl = cut_noccur elimt [] in acc1,acc2,acc3,ccl | App(_, _) | Rel _ -> acc1,[],[],elimt | _ -> error_ind_scheme "" in @@ -3819,17 +3862,17 @@ let decompose_paramspred_branch_args elimt = args. We suppose there is only one predicate here. *) match acc2 with | [] -> - let hyps,ccl = decompose_prod_assum elimt in - let hd_ccl_pred,_ = decompose_app ccl in - begin match kind_of_term hd_ccl_pred with + let hyps,ccl = decompose_prod_assum sigma elimt in + let hd_ccl_pred,_ = decompose_app sigma ccl in + begin match EConstr.kind sigma hd_ccl_pred with | Rel i -> let acc3,acc1 = List.chop (i-1) hyps in acc1 , [] , acc3 , ccl | _ -> error_ind_scheme "" end | _ -> acc1, acc2 , acc3, ccl -let exchange_hd_app subst_hd t = - let hd,args= decompose_app t in mkApp (subst_hd,Array.of_list args) +let exchange_hd_app sigma subst_hd t = + let hd,args= decompose_app sigma t in mkApp (subst_hd,Array.of_list args) (* Builds an elim_scheme from its type and calling form (const+binding). We first separate branches. We obtain branches, hyps before (params + preds), @@ -3847,14 +3890,14 @@ let exchange_hd_app subst_hd t = predicates are cited in the conclusion. - finish to fill in the elim_scheme: indarg/farg/args and finally indref. *) -let compute_elim_sig ?elimc elimt = +let compute_elim_sig sigma ?elimc elimt = let open Context.Rel.Declaration in let params_preds,branches,args_indargs,conclusion = - decompose_paramspred_branch_args elimt in + decompose_paramspred_branch_args sigma elimt in - let ccl = exchange_hd_app (mkVar (Id.of_string "__QI_DUMMY__")) conclusion in + let ccl = exchange_hd_app sigma (mkVar (Id.of_string "__QI_DUMMY__")) conclusion in let concl_with_args = it_mkProd_or_LetIn ccl args_indargs in - let nparams = Int.Set.cardinal (free_rels concl_with_args) in + let nparams = Int.Set.cardinal (free_rels sigma concl_with_args) in let preds,params = List.chop (List.length params_preds - nparams) params_preds in (* A first approximation, further analysis will tweak it *) @@ -3863,7 +3906,7 @@ let compute_elim_sig ?elimc elimt = elimc = elimc; elimt = elimt; concl = conclusion; predicates = preds; npredicates = List.length preds; branches = branches; nbranches = List.length branches; - farg_in_concl = isApp ccl && isApp (last_arg ccl); + farg_in_concl = isApp sigma ccl && isApp sigma (last_arg sigma ccl); params = params; nparams = nparams; (* all other fields are unsure at this point. Including these:*) args = args_indargs; nargs = List.length args_indargs; } in @@ -3884,9 +3927,9 @@ let compute_elim_sig ?elimc elimt = match List.hd args_indargs with | LocalDef (hiname,_,hi) -> error_ind_scheme "" | LocalAssum (hiname,hi) -> - let hi_ind, hi_args = decompose_app hi in + let hi_ind, hi_args = decompose_app sigma hi in let hi_is_ind = (* hi est d'un type globalisable *) - match kind_of_term hi_ind with + match EConstr.kind sigma hi_ind with | Ind (mind,_) -> true | Var _ -> true | Const _ -> true @@ -3899,7 +3942,7 @@ let compute_elim_sig ?elimc elimt = else (* Last arg is the indarg *) res := {!res with indarg = Some (List.hd !res.args); - indarg_in_concl = occur_rel 1 ccl; + indarg_in_concl = occur_rel sigma 1 ccl; args = List.tl !res.args; nargs = !res.nargs - 1; }; raise Exit); @@ -3909,49 +3952,49 @@ let compute_elim_sig ?elimc elimt = | None -> !res (* No indref *) | Some (LocalDef _) -> error_ind_scheme "" | Some (LocalAssum (_,ind)) -> - let indhd,indargs = decompose_app ind in - try {!res with indref = Some (global_of_constr indhd) } + let indhd,indargs = decompose_app sigma ind in + try {!res with indref = Some (fst (Termops.global_of_constr sigma indhd)) } with e when CErrors.noncritical e -> error "Cannot find the inductive type of the inductive scheme." -let compute_scheme_signature scheme names_info ind_type_guess = +let compute_scheme_signature evd scheme names_info ind_type_guess = let open Context.Rel.Declaration in - let f,l = decompose_app scheme.concl in + let f,l = decompose_app evd scheme.concl in (* Vérifier que les arguments de Qi sont bien les xi. *) let cond, check_concl = match scheme.indarg with | Some (LocalDef _) -> error "Strange letin, cannot recognize an induction scheme." | None -> (* Non standard scheme *) - let cond hd = Term.eq_constr hd ind_type_guess && not scheme.farg_in_concl + let cond hd = EConstr.eq_constr evd hd ind_type_guess && not scheme.farg_in_concl in (cond, fun _ _ -> ()) | Some (LocalAssum (_,ind)) -> (* Standard scheme from an inductive type *) - let indhd,indargs = decompose_app ind in - let cond hd = Term.eq_constr hd indhd in + let indhd,indargs = decompose_app evd ind in + let cond hd = EConstr.eq_constr evd hd indhd in let check_concl is_pred p = (* Check again conclusion *) let ccl_arg_ok = is_pred (p + scheme.nargs + 1) f == IndArg in let ind_is_ok = - List.equal Term.eq_constr + List.equal (fun c1 c2 -> EConstr.eq_constr evd c1 c2) (List.lastn scheme.nargs indargs) - (Context.Rel.to_extended_list 0 scheme.args) in + (Context.Rel.to_extended_list mkRel 0 scheme.args) in if not (ccl_arg_ok && ind_is_ok) then error_ind_scheme "the conclusion of" in (cond, check_concl) in let is_pred n c = - let hd = fst (decompose_app c) in - match kind_of_term hd with + let hd = fst (decompose_app evd c) in + match EConstr.kind evd hd with | Rel q when n < q && q <= n+scheme.npredicates -> IndArg | _ when cond hd -> RecArg | _ -> OtherArg in let rec check_branch p c = - match kind_of_term c with + match EConstr.kind evd c with | Prod (_,t,c) -> - (is_pred p t, true, dependent (mkRel 1) c) :: check_branch (p+1) c + (is_pred p t, true, not (Vars.noccurn evd 1 c)) :: check_branch (p+1) c | LetIn (_,_,_,c) -> - (OtherArg, false, dependent (mkRel 1) c) :: check_branch (p+1) c + (OtherArg, false, not (Vars.noccurn evd 1 c)) :: check_branch (p+1) c | _ when is_pred p c == IndArg -> [] | _ -> raise Exit in @@ -3983,55 +4026,61 @@ let compute_scheme_signature scheme names_info ind_type_guess = the non standard case, naming of generated hypos is slightly different. *) let compute_elim_signature (evd,(elimc,elimt),ind_type_guess) names_info = - let scheme = compute_elim_sig ~elimc:elimc elimt in - evd, (compute_scheme_signature scheme names_info ind_type_guess, scheme) + let scheme = compute_elim_sig evd ~elimc:elimc elimt in + evd, (compute_scheme_signature evd scheme names_info ind_type_guess, scheme) let guess_elim isrec dep s hyp0 gl = let tmptyp0 = Tacmach.New.pf_get_hyp_typ hyp0 gl in - let mind,_ = Tacmach.New.pf_reduce_to_quantified_ind gl tmptyp0 in + let (mind, u), _ = Tacmach.New.pf_reduce_to_quantified_ind gl tmptyp0 in let evd, elimc = - if isrec && not (is_nonrec (fst mind)) then find_ind_eliminator (fst mind) s gl + if isrec && not (is_nonrec mind) then find_ind_eliminator mind s gl else let env = Tacmach.New.pf_env gl in let sigma = Sigma.Unsafe.of_evar_map (Tacmach.New.project gl) in + let u = EInstance.kind (Tacmach.New.project gl) u in if use_dependent_propositions_elimination () && dep then - let Sigma (ind, sigma, _) = build_case_analysis_scheme env sigma mind true s in + let Sigma (ind, sigma, _) = build_case_analysis_scheme env sigma (mind, u) true s in + let ind = EConstr.of_constr ind in (Sigma.to_evar_map sigma, ind) else - let Sigma (ind, sigma, _) = build_case_analysis_scheme_default env sigma mind s in + let Sigma (ind, sigma, _) = build_case_analysis_scheme_default env sigma (mind, u) s in + let ind = EConstr.of_constr ind in (Sigma.to_evar_map sigma, ind) in let elimt = Tacmach.New.pf_unsafe_type_of gl elimc in - evd, ((elimc, NoBindings), elimt), mkIndU mind + evd, ((elimc, NoBindings), elimt), mkIndU (mind, u) let given_elim hyp0 (elimc,lbind as e) gl = + let sigma = Tacmach.New.project gl in let tmptyp0 = Tacmach.New.pf_get_hyp_typ hyp0 gl in - let ind_type_guess,_ = decompose_app ((strip_prod tmptyp0)) in - Tacmach.New.project gl, (e, Tacmach.New.pf_unsafe_type_of gl elimc), ind_type_guess + let ind_type_guess,_ = decompose_app sigma (snd (decompose_prod sigma tmptyp0)) in + let elimt = Tacmach.New.pf_unsafe_type_of gl elimc in + Tacmach.New.project gl, (e, elimt), ind_type_guess type scheme_signature = (Id.t list * (elim_arg_kind * bool * bool * Id.t) list) array type eliminator_source = - | ElimUsing of (eliminator * types) * scheme_signature + | ElimUsing of (eliminator * EConstr.types) * scheme_signature | ElimOver of bool * Id.t let find_induction_type isrec elim hyp0 gl = + let sigma = Tacmach.New.project gl in let scheme,elim = match elim with | None -> let sort = Tacticals.New.elimination_sort_of_goal gl in let _, (elimc,elimt),_ = guess_elim isrec (* dummy: *) true sort hyp0 gl in - let scheme = compute_elim_sig ~elimc elimt in + let scheme = compute_elim_sig sigma ~elimc elimt in (* We drop the scheme waiting to know if it is dependent *) scheme, ElimOver (isrec,hyp0) | Some e -> let evd, (elimc,elimt),ind_guess = given_elim hyp0 e gl in - let scheme = compute_elim_sig ~elimc elimt 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 scheme hyp0 ind_guess in + let indsign = compute_scheme_signature evd scheme hyp0 ind_guess in let elim = ({elimindex = Some(-1); elimbody = elimc; elimrename = None},elimt) in scheme, ElimUsing (elim,indsign) in @@ -4043,7 +4092,8 @@ let get_elim_signature elim hyp0 gl = compute_elim_signature (given_elim hyp0 elim gl) hyp0 let is_functional_induction elimc gl = - let scheme = compute_elim_sig ~elimc (Tacmach.New.pf_unsafe_type_of gl (fst elimc)) in + let sigma = Tacmach.New.project gl in + let scheme = compute_elim_sig sigma ~elimc (Tacmach.New.pf_unsafe_type_of gl (fst elimc)) in (* The test is not safe: with non-functional induction on non-standard induction scheme, this may fail *) Option.is_empty scheme.indarg @@ -4058,7 +4108,7 @@ let get_eliminator elim dep s gl = | ElimOver (isrec,id) -> let evd, (elimc,elimt),_ as elims = guess_elim isrec dep s id gl in let _, (l, s) = compute_elim_signature elims id in - let branchlengthes = List.map (fun d -> assert (RelDecl.is_local_assum d); pi1 (decompose_prod_letin (RelDecl.get_type d))) + let branchlengthes = List.map (fun d -> assert (RelDecl.is_local_assum d); pi1 (decompose_prod_letin (Tacmach.New.project gl) (RelDecl.get_type d))) (List.rev s.branches) in evd, isrec, ({elimindex = None; elimbody = elimc; elimrename = Some (isrec,Array.of_list branchlengthes)}, elimt), l @@ -4067,11 +4117,11 @@ let get_eliminator elim dep s gl = of lid are parameters (first ones), the other are arguments. Returns the clause obtained. *) let recolle_clenv i params args elimclause gl = - let _,arr = destApp elimclause.templval.rebus in + let _,arr = destApp elimclause.evd elimclause.templval.rebus in let lindmv = Array.map (fun x -> - match kind_of_term x with + match EConstr.kind elimclause.evd x with | Meta mv -> mv | _ -> user_err ~hdr:"elimination_clause" (str "The type of the elimination clause is not well-formed.")) @@ -4092,7 +4142,7 @@ let recolle_clenv i params args elimclause gl = (* from_n (Some 0) means that x should be taken "as is" without trying to unify (which would lead to trying to apply it to evars if y is a product). *) - let indclause = Tacmach.New.of_old (fun gl -> mk_clenv_from_n gl (Some 0) (x,y)) gl in + let indclause = mk_clenv_from_n gl (Some 0) (x,y) in let elimclause' = clenv_fchain ~with_univs:false i acc indclause in elimclause') (List.rev clauses) @@ -4103,17 +4153,18 @@ let recolle_clenv i params args elimclause gl = produce new ones). Then refine with the resulting term with holes. *) let induction_tac with_evars params indvars elim = - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> + let sigma = Tacmach.New.project gl in let ({elimindex=i;elimbody=(elimc,lbindelimc);elimrename=rename},elimt) = elim in - let i = match i with None -> index_of_ind_arg elimt | Some i -> i in + let i = match i with None -> index_of_ind_arg sigma elimt | Some i -> i in (* elimclause contains this: (elimc ?i ?j ?k...?l) *) - let elimc = contract_letin_in_lam_header elimc in + let elimc = contract_letin_in_lam_header sigma elimc in let elimc = mkCast (elimc, DEFAULTcast, elimt) in - let elimclause = pf_apply make_clenv_binding gl (elimc,elimt) lbindelimc in + let elimclause = Tacmach.New.pf_apply make_clenv_binding gl (elimc,elimt) lbindelimc in (* elimclause' is built from elimclause by instanciating all args and params. *) let elimclause' = recolle_clenv i params indvars elimclause gl in (* one last resolution (useless?) *) - let resolved = Tacmach.New.of_old (clenv_unique_resolver ~flags:(elim_flags ()) elimclause') gl in + let resolved = clenv_unique_resolver ~flags:(elim_flags ()) elimclause' gl in enforce_prop_bound_names rename (Clenvtac.clenv_refine with_evars resolved) end } @@ -4126,9 +4177,9 @@ let apply_induction_in_context with_evars hyp0 inhyps elim indvars names induct_ let sigma = Proofview.Goal.sigma gl in let env = Proofview.Goal.env gl in let sigma = Sigma.to_evar_map sigma in - let concl = Tacmach.New.pf_nf_concl gl in - let statuslists,lhyp0,toclear,deps,avoid,dep_in_hyps = cook_sign hyp0 inhyps indvars env in - let dep_in_concl = Option.cata (fun id -> occur_var env id concl) false hyp0 in + let concl = Tacmach.New.pf_concl gl in + let statuslists,lhyp0,toclear,deps,avoid,dep_in_hyps = cook_sign hyp0 inhyps indvars env sigma in + let dep_in_concl = Option.cata (fun id -> occur_var env sigma id concl) false hyp0 in let dep = dep_in_hyps || dep_in_concl in let tmpcl = it_mkNamedProd_or_LetIn concl deps in let s = Retyping.get_sort_family_of env sigma tmpcl in @@ -4180,7 +4231,7 @@ let msg_not_right_number_induction_arguments scheme = must be given, so we help a bit the unifier by making the "pattern" by hand before calling induction_tac *) let induction_without_atomization isrec with_evars elim names lid = - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> let sigma, (indsign,scheme) = get_elim_signature elim (List.hd lid) gl in let nargs_indarg_farg = scheme.nargs + (if scheme.farg_in_concl then 1 else 0) in @@ -4215,8 +4266,8 @@ let induction_without_atomization isrec with_evars elim names lid = (* assume that no occurrences are selected *) let clear_unselected_context id inhyps cls = - Proofview.Goal.nf_enter { enter = begin fun gl -> - if occur_var (Tacmach.New.pf_env gl) id (Tacmach.New.pf_concl gl) && + Proofview.Goal.enter { enter = begin fun gl -> + if occur_var (Tacmach.New.pf_env gl) (Tacmach.New.project gl) id (Tacmach.New.pf_concl gl) && cls.concl_occs == NoOccurrences then user_err (str "Conclusion must be mentioned: it depends on " ++ pr_id id @@ -4228,7 +4279,7 @@ let clear_unselected_context id inhyps cls = if Id.List.mem id' inhyps then (* if selected, do not erase *) None else (* erase if not selected and dependent on id or selected hyps *) - let test id = occur_var_in_decl (Tacmach.New.pf_env gl) id d in + let test id = occur_var_in_decl (Tacmach.New.pf_env gl) (Tacmach.New.project gl) id d in if List.exists test (id::inhyps) then Some id' else None in let ids = List.map_filter to_erase (Proofview.Goal.hyps gl) in clear ids @@ -4255,7 +4306,7 @@ let use_bindings env sigma elim must_be_closed (c,lbind) typ = let rec find_clause typ = try let indclause = make_clenv_binding env sigma (c,typ) lbind in - if must_be_closed && occur_meta (clenv_value indclause) then + if must_be_closed && occur_meta indclause.evd (clenv_value indclause) then error "Need a fully applied argument."; (* We lose the possibility of coercions in with-bindings *) let (sigma, c) = pose_all_metas_as_evars env indclause.evd (clenv_value indclause) in @@ -4273,7 +4324,7 @@ let check_expected_type env sigma (elimc,bl) elimt = if n == 0 then error "Scheme cannot be applied."; let sigma,cl = make_evar_clause env sigma ~len:(n - 1) elimt in let sigma = solve_evar_clause env sigma true cl bl in - let (_,u,_) = destProd cl.cl_concl in + let (_,u,_) = destProd sigma cl.cl_concl in fun t -> Evarconv.e_cumul env (ref sigma) t u let check_enough_applied env sigma elim = @@ -4283,10 +4334,10 @@ let check_enough_applied env sigma elim = | None -> (* No eliminator given *) fun u -> - let t,_ = decompose_app (whd_all env sigma u) in isInd t + let t,_ = decompose_app sigma (whd_all env sigma u) in isInd sigma t | Some elimc -> let elimt = Retyping.get_type_of env sigma (fst elimc) in - let scheme = compute_elim_sig ~elimc elimt in + let scheme = compute_elim_sig sigma ~elimc elimt in match scheme.indref with | None -> (* in the absence of information, do not assume it may be @@ -4305,7 +4356,7 @@ let pose_induction_arg_then isrec with_evars (is_arg_pure_hyp,from_prefix) elim Proofview.Goal.s_enter { s_enter = begin fun gl -> let sigma = Proofview.Goal.sigma gl in let env = Proofview.Goal.env gl in - let ccl = Proofview.Goal.raw_concl gl in + let ccl = Proofview.Goal.concl gl in let store = Proofview.Goal.extra gl in let check = check_enough_applied env sigma elim in let Sigma (c, sigma', p) = use_bindings env sigma elim false (c0,lbind) t0 in @@ -4336,7 +4387,7 @@ let pose_induction_arg_then isrec with_evars (is_arg_pure_hyp,from_prefix) elim end }; if with_evars then Proofview.shelve_unifiable else guard_no_unifiable; if is_arg_pure_hyp - then Tacticals.New.tclTRY (clear [destVar c0]) + then Proofview.tclEVARMAP >>= fun sigma -> Tacticals.New.tclTRY (clear [destVar sigma c0]) else Proofview.tclUNIT (); if isrec then Proofview.cycle (-1) else Proofview.tclUNIT () ]) @@ -4360,10 +4411,10 @@ let pose_induction_arg_then isrec with_evars (is_arg_pure_hyp,from_prefix) elim Sigma (tac, sigma', p +> q) end } -let has_generic_occurrences_but_goal cls id env ccl = +let has_generic_occurrences_but_goal cls id env sigma ccl = clause_with_generic_context_selection cls && (* TODO: whd_evar of goal *) - (cls.concl_occs != NoOccurrences || not (occur_var env id ccl)) + (cls.concl_occs != NoOccurrences || not (occur_var env sigma id ccl)) let induction_gen clear_flag isrec with_evars elim ((_pending,(c,lbind)),(eqname,names) as arg) cls = @@ -4373,14 +4424,15 @@ let induction_gen clear_flag isrec with_evars elim Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Proofview.Goal.sigma gl in - let ccl = Proofview.Goal.raw_concl gl in + let evd = Sigma.to_evar_map sigma in + let ccl = Proofview.Goal.concl gl in let cls = Option.default allHypsAndConcl cls in let t = typ_of env sigma c in let is_arg_pure_hyp = - isVar c && not (mem_named_context_val (destVar c) (Global.named_context_val ())) + isVar evd c && not (mem_named_context_val (destVar evd c) (Global.named_context_val ())) && lbind == NoBindings && not with_evars && Option.is_empty eqname && clear_flag == None - && has_generic_occurrences_but_goal cls (destVar c) env ccl in + && has_generic_occurrences_but_goal cls (destVar evd c) env evd ccl in let enough_applied = check_enough_applied env sigma elim t in if is_arg_pure_hyp && enough_applied then (* First case: induction on a variable already in an inductive type and @@ -4388,7 +4440,7 @@ let induction_gen clear_flag isrec with_evars elim This is a situation where the induction argument is a clearable variable of the goal w/o occurrence selection and w/o equality kept: no need to generalize *) - let id = destVar c in + let id = destVar evd c in Tacticals.New.tclTHEN (clear_unselected_context id inhyps cls) (induction_with_atomization_of_ind_arg @@ -4398,7 +4450,7 @@ let induction_gen clear_flag isrec with_evars elim declaring the induction argument as a new local variable *) let id = (* Type not the right one if partially applied but anyway for internal use*) - let x = id_of_name_using_hdchar (Global.env()) t Anonymous in + let x = id_of_name_using_hdchar (Global.env()) evd t Anonymous in new_fresh_id [] x gl in let info_arg = (is_arg_pure_hyp, not enough_applied) in pose_induction_arg_then @@ -4423,7 +4475,8 @@ let induction_gen_l isrec with_evars elim names lc = match l with | [] -> Proofview.tclUNIT () | c::l' -> - match kind_of_term c with + Proofview.tclEVARMAP >>= fun sigma -> + match EConstr.kind sigma c with | Var id when not (mem_named_context_val id (Global.named_context_val ())) && not with_evars -> let _ = newlc:= id::!newlc in @@ -4432,11 +4485,12 @@ let induction_gen_l isrec with_evars elim names lc = | _ -> Proofview.Goal.enter { enter = begin fun gl -> let type_of = Tacmach.New.pf_unsafe_type_of gl in + let sigma = Tacmach.New.project gl in let x = - id_of_name_using_hdchar (Global.env()) (type_of c) Anonymous in + id_of_name_using_hdchar (Global.env()) sigma (type_of c) Anonymous in let id = new_fresh_id [] x gl in - let newl' = List.map (replace_term c (mkVar id)) l' in + let newl' = List.map (fun r -> replace_term sigma c (mkVar id) r) l' in let _ = newlc:=id::!newlc in Tacticals.New.tclTHEN (letin_tac None (Name id) c None allHypsAndConcl) @@ -4458,7 +4512,7 @@ let induction_destruct isrec with_evars (lc,elim) = match lc with | [] -> assert false (* ensured by syntax, but if called inside caml? *) | [c,(eqname,names as allnames),cls] -> - Proofview.Goal.nf_enter { enter = begin fun gl -> + Proofview.Goal.enter { enter = begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Tacmach.New.project gl in match elim with @@ -4559,9 +4613,9 @@ let simple_destruct = function *) let elim_scheme_type elim t = - Proofview.Goal.nf_enter { enter = begin fun gl -> - let clause = Tacmach.New.of_old (fun gl -> mk_clenv_type_of gl elim) gl in - match kind_of_term (last_arg clause.templval.rebus) with + Proofview.Goal.enter { enter = begin fun gl -> + let clause = mk_clenv_type_of gl elim in + match EConstr.kind clause.evd (last_arg clause.evd clause.templval.rebus) with | Meta mv -> let clause' = (* t is inductive, then CUMUL or CONV is irrelevant *) @@ -4582,9 +4636,11 @@ let case_type t = Proofview.Goal.s_enter { s_enter = begin fun gl -> let sigma = Proofview.Goal.sigma gl in let env = Tacmach.New.pf_env gl in - let (ind,t) = reduce_to_atomic_ind env (Sigma.to_evar_map sigma) t in + let ((ind, u), t) = reduce_to_atomic_ind env (Sigma.to_evar_map sigma) t in + let u = EInstance.kind (Sigma.to_evar_map sigma) u in let s = Tacticals.New.elimination_sort_of_goal gl in - let Sigma (elimc, evd, p) = build_case_analysis_scheme_default env sigma ind s in + let Sigma (elimc, evd, p) = build_case_analysis_scheme_default env sigma (ind, u) s in + let elimc = EConstr.of_constr elimc in Sigma (elim_scheme_type elimc t, evd, p) end } @@ -4598,7 +4654,7 @@ let case_type t = let (forward_setoid_reflexivity, setoid_reflexivity) = Hook.make () let maybe_betadeltaiota_concl allowred gl = - let concl = Tacmach.New.pf_nf_concl gl in + let concl = Tacmach.New.pf_concl gl in let sigma = Tacmach.New.project gl in if not allowred then concl else @@ -4610,8 +4666,9 @@ let reflexivity_red allowred = (* PL: usual reflexivity don't perform any reduction when searching for an equality, but we may need to do some when called back from inside setoid_reflexivity (see Optimize cases in setoid_replace.ml). *) + let sigma = Tacmach.New.project gl in let concl = maybe_betadeltaiota_concl allowred gl in - match match_with_equality_type concl with + match match_with_equality_type sigma concl with | None -> Proofview.tclZERO NoEquationFound | Some _ -> one_constructor 1 NoBindings end } @@ -4648,9 +4705,9 @@ let prove_symmetry hdcncl eq_kind = Tacticals.New.onLastHyp simplest_case; one_constructor 1 NoBindings ]) -let match_with_equation c = +let match_with_equation sigma c = try - let res = match_with_equation c in + let res = match_with_equation sigma c in Proofview.tclUNIT res with NoEquationFound -> Proofview.tclZERO NoEquationFound @@ -4660,8 +4717,9 @@ let symmetry_red allowred = (* PL: usual symmetry don't perform any reduction when searching for an equality, but we may need to do some when called back from inside setoid_reflexivity (see Optimize cases in setoid_replace.ml). *) + let sigma = Tacmach.New.project gl in let concl = maybe_betadeltaiota_concl allowred gl in - match_with_equation concl >>= fun with_eqn -> + match_with_equation sigma concl >>= fun with_eqn -> match with_eqn with | Some eq_data,_,_ -> Tacticals.New.tclTHEN @@ -4683,16 +4741,18 @@ let (forward_setoid_symmetry_in, setoid_symmetry_in) = Hook.make () let symmetry_in id = Proofview.Goal.enter { enter = begin fun gl -> + let sigma = Tacmach.New.project gl in let ctype = Tacmach.New.pf_unsafe_type_of gl (mkVar id) in - let sign,t = decompose_prod_assum ctype in + let sign,t = decompose_prod_assum sigma ctype in Proofview.tclORELSE begin - match_with_equation t >>= fun (_,hdcncl,eq) -> - let symccl = match eq with + match_with_equation sigma t >>= fun (_,hdcncl,eq) -> + let symccl = + match eq with | MonomorphicLeibnizEq (c1,c2) -> mkApp (hdcncl, [| c2; c1 |]) | PolymorphicLeibnizEq (typ,c1,c2) -> mkApp (hdcncl, [| typ; c2; c1 |]) | HeterogenousEq (t1,c1,t2,c2) -> mkApp (hdcncl, [| t2; c2; t1; c1 |]) in - Tacticals.New.tclTHENS (cut (it_mkProd_or_LetIn symccl sign)) + Tacticals.New.tclTHENS (cut (EConstr.it_mkProd_or_LetIn symccl sign)) [ intro_replacing id; Tacticals.New.tclTHENLIST [ intros; symmetry; apply (mkVar id); assumption ] ] end @@ -4752,8 +4812,9 @@ let transitivity_red allowred t = (* PL: usual transitivity don't perform any reduction when searching for an equality, but we may need to do some when called back from inside setoid_reflexivity (see Optimize cases in setoid_replace.ml). *) + let sigma = Tacmach.New.project gl in let concl = maybe_betadeltaiota_concl allowred gl in - match_with_equation concl >>= fun with_eqn -> + match_with_equation sigma concl >>= fun with_eqn -> match with_eqn with | Some eq_data,_,_ -> Tacticals.New.tclTHEN @@ -4787,6 +4848,12 @@ let intros_transitivity n = Tacticals.New.tclTHEN intros (transitivity_gen n) (** d1 is the section variable in the global context, d2 in the goal context *) let interpretable_as_section_decl evd d1 d2 = let open Context.Named.Declaration in + let e_eq_constr_univs sigma c1 c2 = match eq_constr_universes !sigma c1 c2 with + | None -> false + | Some cstr -> + try ignore (Evd.add_universe_constraints !sigma cstr); true + with UniversesDiffer -> false + in match d2, d1 with | LocalDef _, LocalAssum _ -> false | LocalDef (_,b1,t1), LocalDef (_,b2,t2) -> @@ -4804,6 +4871,8 @@ let rec decompose len c t accu = | _ -> assert false let rec shrink ctx sign c t accu = + let open Term in + let open CVars in match ctx, sign with | [], [] -> (c, t, accu) | p :: ctx, decl :: sign -> @@ -4842,7 +4911,7 @@ let abstract_subproof id gk tac = let open Tacticals.New in let open Tacmach.New in let open Proofview.Notations in - Proofview.Goal.nf_s_enter { s_enter = begin fun gl -> + Proofview.Goal.s_enter { s_enter = begin fun gl -> let sigma = Proofview.Goal.sigma gl in let current_sign = Global.named_context_val () and global_sign = Proofview.Goal.hyps gl in @@ -4870,6 +4939,7 @@ let abstract_subproof id gk tac = let ctx = Evd.universe_context_set evd in evd, ctx, nf concl in + let concl = EConstr.of_constr concl in let solve_tac = tclCOMPLETE (tclTHEN (tclDO (List.length sign) intro) tac) in let ectx = Evd.evar_universe_context evd in let (const, safe, ectx) = @@ -4884,8 +4954,9 @@ let abstract_subproof id gk tac = in let const, args = if !shrink_abstract then shrink_entry sign const - else (const, List.rev (Context.Named.to_instance sign)) + else (const, List.rev (Context.Named.to_instance Constr.mkVar sign)) in + let args = List.map EConstr.of_constr args in let cd = Entries.DefinitionEntry const in let decl = (cd, IsProof Lemma) in let cst () = @@ -4897,6 +4968,7 @@ let abstract_subproof id gk tac = let cst = Impargs.with_implicit_protection cst () in (* let evd, lem = Evd.fresh_global (Global.env ()) evd (ConstRef cst) in *) let lem, ctx = Universes.unsafe_constr_of_global (ConstRef cst) in + let lem = EConstr.of_constr lem in let evd = Evd.set_universe_context evd ectx in let open Safe_typing in let eff = private_con_of_con (Global.safe_env ()) cst in @@ -4928,7 +5000,7 @@ let tclABSTRACT name_op tac = abstract_subproof s gk tac let unify ?(state=full_transparent_state) x y = - Proofview.Goal.nf_s_enter { s_enter = begin fun gl -> + Proofview.Goal.s_enter { s_enter = begin fun gl -> let sigma = Proofview.Goal.sigma gl in try let core_flags = |