diff options
Diffstat (limited to 'tactics')
| -rw-r--r-- | tactics/autorewrite.ml | 2 | ||||
| -rw-r--r-- | tactics/class_tactics.ml | 7 | ||||
| -rw-r--r-- | tactics/eqschemes.ml | 6 | ||||
| -rw-r--r-- | tactics/equality.ml | 28 | ||||
| -rw-r--r-- | tactics/hipattern.ml | 58 | ||||
| -rw-r--r-- | tactics/ppred.ml | 1 | ||||
| -rw-r--r-- | tactics/tacticals.ml | 14 | ||||
| -rw-r--r-- | tactics/tactics.ml | 10 |
8 files changed, 68 insertions, 58 deletions
diff --git a/tactics/autorewrite.ml b/tactics/autorewrite.ml index f824552705..3b8232d20a 100644 --- a/tactics/autorewrite.ml +++ b/tactics/autorewrite.ml @@ -145,7 +145,7 @@ let gen_auto_multi_rewrite conds tac_main lbas cl = let try_do_hyps treat_id l = autorewrite_multi_in ~conds (List.map treat_id l) tac_main lbas in - if cl.concl_occs != AllOccurrences && + if not (Locusops.is_all_occurrences cl.concl_occs) && cl.concl_occs != NoOccurrences then Tacticals.New.tclZEROMSG (str"The \"at\" syntax isn't available yet for the autorewrite tactic.") diff --git a/tactics/class_tactics.ml b/tactics/class_tactics.ml index e505bb3a42..a3620f4081 100644 --- a/tactics/class_tactics.ml +++ b/tactics/class_tactics.ml @@ -230,8 +230,9 @@ let unify_resolve_refine poly flags gls ((c, t, ctx),n,clenv) = let sigma', cl = Clenv.make_evar_clause env sigma ?len:n ty in let term = applist (term, List.map (fun x -> x.hole_evar) cl.cl_holes) in let sigma' = - Evarconv.the_conv_x_leq env ~ts:flags.core_unify_flags.modulo_delta - cl.cl_concl concl sigma' + Evarconv.(unify_leq_delay + ~flags:(default_flags_of flags.core_unify_flags.modulo_delta) + env sigma' cl.cl_concl concl) in (sigma', term) end let unify_resolve_refine poly flags gl clenv = @@ -1111,7 +1112,7 @@ let initial_select_evars filter = let resolve_typeclass_evars debug depth unique env evd filter split fail = let evd = try Evarconv.solve_unif_constraints_with_heuristics - ~ts:(Typeclasses.classes_transparent_state ()) env evd + ~flags:(Evarconv.default_flags_of (Typeclasses.classes_transparent_state ())) env evd with e when CErrors.noncritical e -> evd in resolve_all_evars debug depth unique env diff --git a/tactics/eqschemes.ml b/tactics/eqschemes.ml index b12018cd66..3c1115d056 100644 --- a/tactics/eqschemes.ml +++ b/tactics/eqschemes.ml @@ -138,7 +138,7 @@ let get_sym_eq_data env (ind,u) = let realsign,_ = List.chop mip.mind_nrealdecls arityctxt in if List.exists is_local_def realsign then error "Inductive equalities with local definitions in arity not supported."; - let constrsign,ccl = decompose_prod_assum mip.mind_nf_lc.(0) in + let constrsign,ccl = mip.mind_nf_lc.(0) in let _,constrargs = decompose_app ccl in if not (Int.equal (Context.Rel.length constrsign) (Context.Rel.length mib.mind_params_ctxt)) then error "Constructor must have no arguments"; (* This can be relaxed... *) @@ -173,7 +173,7 @@ let get_non_sym_eq_data env (ind,u) = let realsign,_ = List.chop mip.mind_nrealdecls arityctxt in if List.exists is_local_def realsign then error "Inductive equalities with local definitions in arity not supported"; - let constrsign,ccl = decompose_prod_assum mip.mind_nf_lc.(0) in + let constrsign,ccl = mip.mind_nf_lc.(0) in let _,constrargs = decompose_app ccl in if not (Int.equal (Context.Rel.length constrsign) (Context.Rel.length mib.mind_params_ctxt)) then error "Constructor must have no arguments"; @@ -776,7 +776,7 @@ let build_congr env (eq,refl,ctx) ind = error "Inductive equalities with local definitions in arity not supported."; let env_with_arity = push_rel_context arityctxt env in let ty = RelDecl.get_type (lookup_rel (mip.mind_nrealargs - i + 1) env_with_arity) in - let constrsign,ccl = decompose_prod_assum mip.mind_nf_lc.(0) in + let constrsign,ccl = mip.mind_nf_lc.(0) in let _,constrargs = decompose_app ccl in if not (Int.equal (Context.Rel.length constrsign) (Context.Rel.length mib.mind_params_ctxt)) then error "Constructor must have no arguments"; diff --git a/tactics/equality.ml b/tactics/equality.ml index 769e702da1..4a1bb37fa4 100644 --- a/tactics/equality.ml +++ b/tactics/equality.ml @@ -437,7 +437,7 @@ let rewrite_side_tac tac sidetac = side_tac tac (Option.map fst sidetac) let general_rewrite_ebindings_clause cls lft2rgt occs frzevars dep_proof_ok ?tac ((c,l) : constr with_bindings) with_evars = - if occs != AllOccurrences then ( + if not (Locusops.is_all_occurrences occs) then ( rewrite_side_tac (Hook.get forward_general_setoid_rewrite_clause cls lft2rgt occs (c,l) ~new_goals:[]) tac) else Proofview.Goal.enter begin fun gl -> @@ -595,15 +595,16 @@ let init_setoid () = if is_dirpath_prefix_of classes_dirpath (Lib.cwd ()) then () else check_required_library ["Coq";"Setoids";"Setoid"] -let check_setoid cl = +let check_setoid cl = + let concloccs = Locusops.occurrences_map (fun x -> x) cl.concl_occs in Option.fold_left - ( List.fold_left + (List.fold_left (fun b ((occ,_),_) -> - b||(Locusops.occurrences_map (fun x -> x) occ <> AllOccurrences) + b||(not (Locusops.is_all_occurrences (Locusops.occurrences_map (fun x -> x) occ))) ) ) - ((Locusops.occurrences_map (fun x -> x) cl.concl_occs <> AllOccurrences) && - (Locusops.occurrences_map (fun x -> x) cl.concl_occs <> NoOccurrences)) + (not (Locusops.is_all_occurrences concloccs) && + (concloccs <> NoOccurrences)) cl.onhyps let replace_core clause l2r eq = @@ -635,7 +636,7 @@ let replace_using_leibniz clause c1 c2 l2r unsafe try_prove_eq_opt = let evd = if unsafe then Some (Tacmach.New.project gl) else - try Some (Evarconv.the_conv_x (Proofview.Goal.env gl) t1 t2 (Tacmach.New.project gl)) + try Some (Evarconv.unify_delay (Proofview.Goal.env gl) (Tacmach.New.project gl) t1 t2) with Evarconv.UnableToUnify _ -> None in match evd with @@ -1193,9 +1194,8 @@ let sig_clausal_form env sigma sort_of_ty siglen ty dflt = (* is the default value typable with the expected type *) let dflt_typ = unsafe_type_of env sigma dflt in try - let sigma = Evarconv.the_conv_x_leq env dflt_typ p_i sigma in - let sigma = - Evarconv.solve_unif_constraints_with_heuristics env sigma in + let sigma = Evarconv.unify_leq_delay env sigma dflt_typ p_i in + let sigma = Evarconv.solve_unif_constraints_with_heuristics env sigma in sigma, dflt with Evarconv.UnableToUnify _ -> user_err Pp.(str "Cannot solve a unification problem.") @@ -1210,11 +1210,11 @@ let sig_clausal_form env sigma sort_of_ty siglen ty dflt = match evopt with | Some w -> let w_type = unsafe_type_of env sigma w in - begin match Evarconv.cumul env sigma w_type a with - | Some sigma -> + begin match Evarconv.unify_leq_delay env sigma w_type a with + | sigma -> let sigma, exist_term = Evd.fresh_global env sigma sigdata.intro in sigma, applist(exist_term,[a;p_i_minus_1;w;tuple_tail]) - | None -> + | exception Evarconv.UnableToUnify _ -> user_err Pp.(str "Cannot solve a unification problem.") end | None -> @@ -1724,7 +1724,7 @@ let subst_one dep_proof_ok x (hyp,rhs,dir) = tclTHENLIST ((if need_rewrite then [revert (List.map snd dephyps); - general_rewrite dir AllOccurrences true dep_proof_ok (mkVar hyp); + general_rewrite dir AtLeastOneOccurrence true dep_proof_ok (mkVar hyp); (tclMAP (fun (dest,id) -> intro_move (Some id) dest) dephyps)] else [Proofview.tclUNIT ()]) @ diff --git a/tactics/hipattern.ml b/tactics/hipattern.ml index 708412720a..395b4928ce 100644 --- a/tactics/hipattern.ml +++ b/tactics/hipattern.ml @@ -106,22 +106,24 @@ let match_with_one_constructor sigma style onlybinary allow_rec t = && (Int.equal mip.mind_nrealargs 0) then if is_strict_conjunction style (* strict conjunction *) then - let ctx = - (prod_assum sigma (snd - (decompose_prod_n_assum sigma mib.mind_nparams (EConstr.of_constr mip.mind_nf_lc.(0))))) in + let (ctx, _) = mip.mind_nf_lc.(0) in + let ctx = List.skipn (Context.Rel.length mib.mind_params_ctxt) (List.rev ctx) in if + (* Constructor has a type of the form + c : forall (a_0 ... a_n : Type) (x_0 : A_0) ... (x_n : A_n). T **) List.for_all (fun decl -> let c = RelDecl.get_type decl in is_local_assum decl && - isRel sigma c && - Int.equal (destRel sigma c) mib.mind_nparams) ctx + Constr.isRel c && + Int.equal (Constr.destRel c) mib.mind_nparams) ctx then Some (hdapp,args) else None else + let ctx, cty = mip.mind_nf_lc.(0) in + let cty = EConstr.of_constr (Term.it_mkProd_or_LetIn cty ctx) in let ctyp = whd_beta_prod sigma - (Termops.prod_applist_assum sigma (Context.Rel.length mib.mind_params_ctxt) - (EConstr.of_constr mip.mind_nf_lc.(0)) args) in + (Termops.prod_applist_assum sigma (Context.Rel.length mib.mind_params_ctxt) cty args) in let cargs = List.map RelDecl.get_type (prod_assum sigma ctyp) in if not (is_lax_conjunction style) || has_nodep_prod sigma ctyp then (* Record or non strict conjunction *) @@ -165,12 +167,13 @@ let is_tuple sigma t = it is strict if it has the form "Inductive I A1 ... An := C1 (_:A1) | ... | Cn : (_:An)" *) -let test_strict_disjunction n lc = - let open Term in - Array.for_all_i (fun i c -> - match (prod_assum (snd (decompose_prod_n_assum n c))) with - | [LocalAssum (_,c)] -> Constr.isRel c && Int.equal (Constr.destRel c) (n - i) - | _ -> false) 0 lc +let test_strict_disjunction (mib, mip) = + let n = List.length mib.mind_params_ctxt in + let check i (ctx, _) = match List.skipn n (List.rev ctx) with + | [LocalAssum (_, c)] -> Constr.isRel c && Int.equal (Constr.destRel c) (n - i) + | _ -> false + in + Array.for_all_i check 0 mip.mind_nf_lc let match_with_disjunction ?(strict=false) ?(onlybinary=false) sigma t = let (hdapp,args) = decompose_app sigma t in @@ -183,14 +186,16 @@ let match_with_disjunction ?(strict=false) ?(onlybinary=false) sigma t = && (Int.equal mip.mind_nrealargs 0) then if strict then - if test_strict_disjunction mib.mind_nparams mip.mind_nf_lc then + if test_strict_disjunction (mib, mip) then Some (hdapp,args) else None else - let cargs = - Array.map (fun ar -> pi2 (destProd sigma (prod_applist sigma (EConstr.of_constr ar) args))) - mip.mind_nf_lc in + let map (ctx, cty) = + let ar = EConstr.of_constr (Term.it_mkProd_or_LetIn cty ctx) in + pi2 (destProd sigma (prod_applist sigma ar args)) + in + let cargs = Array.map map mip.mind_nf_lc in Some (hdapp,Array.to_list cargs) else None @@ -225,10 +230,8 @@ let match_with_unit_or_eq_type sigma t = match EConstr.kind sigma hdapp with | Ind (ind , _) -> let (mib,mip) = Global.lookup_inductive ind in - let constr_types = mip.mind_nf_lc in let nconstr = Array.length mip.mind_consnames in - let zero_args c = Int.equal (nb_prod sigma (EConstr.of_constr c)) mib.mind_nparams in - if Int.equal nconstr 1 && zero_args constr_types.(0) then + if Int.equal nconstr 1 && Int.equal mip.mind_consnrealargs.(0) 0 then Some hdapp else None @@ -308,11 +311,13 @@ let match_with_equation env sigma t = let constr_types = mip.mind_nf_lc in let nconstr = Array.length mip.mind_consnames in if Int.equal nconstr 1 then - if is_matching env sigma coq_refl_leibniz1_pattern (EConstr.of_constr constr_types.(0)) then + let (ctx, cty) = constr_types.(0) in + let cty = EConstr.of_constr (Term.it_mkProd_or_LetIn cty ctx) in + if is_matching env sigma coq_refl_leibniz1_pattern cty then None, hdapp, MonomorphicLeibnizEq(args.(0),args.(1)) - else if is_matching env sigma coq_refl_leibniz2_pattern (EConstr.of_constr constr_types.(0)) then + else if is_matching env sigma coq_refl_leibniz2_pattern cty then None, hdapp, PolymorphicLeibnizEq(args.(0),args.(1),args.(2)) - else if is_matching env sigma coq_refl_jm_pattern (EConstr.of_constr constr_types.(0)) then + else if is_matching env sigma coq_refl_jm_pattern cty then None, hdapp, HeterogenousEq(args.(0),args.(1),args.(2),args.(3)) else raise NoEquationFound else raise NoEquationFound @@ -378,8 +383,9 @@ let match_with_nodep_ind sigma t = | Ind (ind, _) -> let (mib,mip) = Global.lookup_inductive ind in if Array.length (mib.mind_packets)>1 then None else - let nodep_constr c = - has_nodep_prod_after (Context.Rel.length mib.mind_params_ctxt) sigma (EConstr.of_constr c) in + let nodep_constr (ctx, cty) = + let c = EConstr.of_constr (Term.it_mkProd_or_LetIn cty ctx) in + has_nodep_prod_after (Context.Rel.length mib.mind_params_ctxt) sigma c in if Array.for_all nodep_constr mip.mind_nf_lc then let params= if Int.equal mip.mind_nrealargs 0 then args else @@ -400,7 +406,7 @@ let match_with_sigma_type sigma t = && (Int.equal mip.mind_nrealargs 0) && (Int.equal (Array.length mip.mind_consnames)1) && has_nodep_prod_after (Context.Rel.length mib.mind_params_ctxt + 1) sigma - (EConstr.of_constr mip.mind_nf_lc.(0)) + (let (ctx, cty) = mip.mind_nf_lc.(0) in EConstr.of_constr (Term.it_mkProd_or_LetIn cty ctx)) then (*allowing only 1 existential*) Some (hdapp,args) diff --git a/tactics/ppred.ml b/tactics/ppred.ml index dd1bcd4699..d832dc279c 100644 --- a/tactics/ppred.ml +++ b/tactics/ppred.ml @@ -6,6 +6,7 @@ open Pputils let pr_with_occurrences pr keyword (occs,c) = match occs with + | AtLeastOneOccurrence -> hov 1 (pr c ++ spc () ++ keyword "at" ++ str" +") | AllOccurrences -> pr c | NoOccurrences -> diff --git a/tactics/tacticals.ml b/tactics/tacticals.ml index bfbce8f6eb..ec8d4d0e14 100644 --- a/tactics/tacticals.ml +++ b/tactics/tacticals.ml @@ -20,6 +20,7 @@ open Tacmach open Clenv open Tactypes +module RelDecl = Context.Rel.Declaration module NamedDecl = Context.Named.Declaration (************************************************************************) @@ -223,8 +224,8 @@ let compute_induction_names = compute_induction_names_gen true (* Compute the let-in signature of case analysis or standard induction scheme *) let compute_constructor_signatures ~rec_flag ((_,k as ity),u) = let rec analrec c recargs = - match Constr.kind c, recargs with - | Prod (_,_,c), recarg::rest -> + match c, recargs with + | RelDecl.LocalAssum _ :: c, recarg::rest -> let rest = analrec c rest in begin match Declareops.dest_recarg recarg with | Norec | Imbr _ -> true :: rest @@ -232,14 +233,13 @@ let compute_constructor_signatures ~rec_flag ((_,k as ity),u) = if rec_flag && Int.equal j k then true :: true :: rest else true :: rest end - | LetIn (_,_,_,c), rest -> false :: analrec c rest - | _, [] -> [] + | RelDecl.LocalDef _ :: c, rest -> false :: analrec c rest + | [], [] -> [] | _ -> anomaly (Pp.str "compute_constructor_signatures.") in let (mib,mip) = Global.lookup_inductive ity in - let n = mib.mind_nparams in - let lc = - Array.map (fun c -> snd (Term.decompose_prod_n_assum n c)) mip.mind_nf_lc in + let map (ctx, _) = List.skipn (Context.Rel.length mib.mind_params_ctxt) (List.rev ctx) in + let lc = Array.map map mip.mind_nf_lc in let lrecargs = Declareops.dest_subterms mip.mind_recargs in Array.map2 analrec lc lrecargs diff --git a/tactics/tactics.ml b/tactics/tactics.ml index db59f7cfc2..415225454a 100644 --- a/tactics/tactics.ml +++ b/tactics/tactics.ml @@ -3840,9 +3840,9 @@ let specialize_eqs id = let evars = ref (Proofview.Goal.sigma gl) in let unif env evars c1 c2 = compare_upto_variables !evars c1 c2 && - (match Evarconv.conv env !evars c1 c2 with - | Some sigma -> evars := sigma; true - | None -> false) + (match Evarconv.unify_delay env !evars c1 c2 with + | sigma -> evars := sigma; true + | exception Evarconv.UnableToUnify _ -> false) in let rec aux in_eqs ctx acc ty = match EConstr.kind !evars ty with @@ -4398,7 +4398,9 @@ let check_expected_type env sigma (elimc,bl) elimt = 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 sigma cl.cl_concl in - fun t -> Option.has_some (Evarconv.cumul env sigma t u) + fun t -> match Evarconv.unify_leq_delay env sigma t u with + | _sigma -> true + | exception Evarconv.UnableToUnify _ -> false let check_enough_applied env sigma elim = (* A heuristic to decide whether the induction arg is enough applied *) |
