diff options
Diffstat (limited to 'checker/inductive.ml')
| -rw-r--r-- | checker/inductive.ml | 74 |
1 files changed, 35 insertions, 39 deletions
diff --git a/checker/inductive.ml b/checker/inductive.ml index c4ffc141..e1c6b135 100644 --- a/checker/inductive.ml +++ b/checker/inductive.ml @@ -1,9 +1,11 @@ (************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) (* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) (************************************************************************) open CErrors @@ -27,7 +29,7 @@ type mind_specif = mutual_inductive_body * one_inductive_body let lookup_mind_specif env (kn,tyi) = let mib = lookup_mind kn env in if tyi >= Array.length mib.mind_packets then - error "Inductive.lookup_mind_specif: invalid inductive index"; + user_err Pp.(str "Inductive.lookup_mind_specif: invalid inductive index"); (mib, mib.mind_packets.(tyi)) let find_rectype env c = @@ -54,10 +56,17 @@ let inductive_params (mib,_) = mib.mind_nparams (** Polymorphic inductives *) -let inductive_instance mib = - if mib.mind_polymorphic then - UContext.instance mib.mind_universes - else Instance.empty +let inductive_is_polymorphic mib = + match mib.mind_universes with + | Monomorphic_ind _ -> false + | Polymorphic_ind ctx -> true + | Cumulative_ind cumi -> true + +let inductive_is_cumulative mib = + match mib.mind_universes with + | Monomorphic_ind _ -> false + | Polymorphic_ind ctx -> false + | Cumulative_ind cumi -> true (************************************************************************) @@ -75,7 +84,7 @@ let constructor_instantiate mind u mib c = let instantiate_params full t u args sign = let fail () = - anomaly ~label:"instantiate_params" (Pp.str "type, ctxt and args mismatch") in + anomaly ~label:"instantiate_params" (Pp.str "type, ctxt and args mismatch.") in let (rem_args, subs, ty) = fold_rel_context (fun decl (largs,subs,ty) -> @@ -93,7 +102,7 @@ let instantiate_params full t u args sign = let full_inductive_instantiate mib u params sign = let dummy = Prop Null in - let t = mkArity (subst_instance_context u sign,dummy) in + let t = mkArity (Term.subst_instance_context u sign,dummy) in fst (destArity (instantiate_params true t u params mib.mind_params_ctxt)) let full_constructor_instantiate ((mind,_),u,(mib,_),params) t = @@ -149,7 +158,7 @@ let remember_subst u subst = (* Bind expected levels of parameters to actual levels *) (* Propagate the new levels in the signature *) -let rec make_subst env = +let make_subst env = let rec make subst = function | LocalDef _ :: sign, exp, args -> make subst (sign, exp, args) @@ -199,7 +208,7 @@ let instantiate_universes env ctx ar argsorts = let type_of_inductive_gen env ((mib,mip),u) paramtyps = match mip.mind_arity with | RegularArity a -> - if not mib.mind_polymorphic then a.mind_user_arity + if not (inductive_is_polymorphic mib) then a.mind_user_arity else subst_instance_constr u a.mind_user_arity | TemplateArity ar -> let ctx = List.rev mip.mind_arity_ctxt in @@ -232,7 +241,7 @@ let type_of_constructor_subst cstr u (mib,mip) = let specif = mip.mind_user_lc in let i = index_of_constructor cstr in let nconstr = Array.length mip.mind_consnames in - if i > nconstr then error "Not enough constructors in the type."; + if i > nconstr then user_err Pp.(str "Not enough constructors in the type."); constructor_instantiate (fst ind) u mib specif.(i-1) let type_of_constructor_gen (cstr,u) (mib,mip as mspec) = @@ -374,7 +383,7 @@ let type_case_branches env (pind,largs) (p,pj) c = let check_case_info env indsp ci = let (mib,mip) = lookup_mind_specif env indsp in if - not (eq_ind indsp ci.ci_ind) || + not (eq_ind_chk indsp ci.ci_ind) || (mib.mind_nparams <> ci.ci_npar) || (mip.mind_consnrealdecls <> ci.ci_cstr_ndecls) || (mip.mind_consnrealargs <> ci.ci_cstr_nargs) @@ -428,27 +437,14 @@ type subterm_spec = | Dead_code | Not_subterm -let eq_recarg r1 r2 = match r1, r2 with -| Norec, Norec -> true -| Mrec i1, Mrec i2 -> Names.eq_ind i1 i2 -| Imbr i1, Imbr i2 -> Names.eq_ind i1 i2 -| _ -> false - let eq_wf_paths = Rtree.equal eq_recarg -let pp_recarg = function - | Norec -> Pp.str "Norec" - | Mrec i -> Pp.str ("Mrec "^MutInd.to_string (fst i)) - | Imbr i -> Pp.str ("Imbr "^MutInd.to_string (fst i)) - -let pp_wf_paths = Rtree.pp_tree pp_recarg - let inter_recarg r1 r2 = match r1, r2 with | Norec, Norec -> Some r1 | Mrec i1, Mrec i2 | Imbr i1, Imbr i2 -| Mrec i1, Imbr i2 -> if Names.eq_ind i1 i2 then Some r1 else None -| Imbr i1, Mrec i2 -> if Names.eq_ind i1 i2 then Some r2 else None +| Mrec i1, Imbr i2 -> if Names.eq_ind_chk i1 i2 then Some r1 else None +| Imbr i1, Mrec i2 -> if Names.eq_ind_chk i1 i2 then Some r2 else None | _ -> None let inter_wf_paths = Rtree.inter eq_recarg inter_recarg Norec @@ -544,7 +540,7 @@ let lookup_subterms env ind = let match_inductive ind ra = match ra with - | (Mrec i | Imbr i) -> eq_ind ind i + | (Mrec i | Imbr i) -> eq_ind_chk ind i | Norec -> false (* In {match c as z in ci y_s return P with |C_i x_s => t end} @@ -645,7 +641,7 @@ let get_recargs_approx env tree ind args = (* When the inferred tree allows it, we consider that we have a potential nested inductive type *) begin match dest_recarg tree with - | Imbr kn' | Mrec kn' when eq_ind (fst ind_kn) kn' -> + | Imbr kn' | Mrec kn' when eq_ind_chk (fst ind_kn) kn' -> build_recargs_nested ienv tree (ind_kn, largs) | _ -> mk_norec end @@ -993,7 +989,7 @@ let check_one_fix renv recpos trees def = List.iter (check_rec_call renv []) l; check_rec_call renv [] c - | Var _ -> anomaly (Pp.str "Section variable in Coqchk !") + | Var _ -> anomaly (Pp.str "Section variable in Coqchk!") | Sort _ -> assert (l = []) @@ -1011,7 +1007,7 @@ let check_one_fix renv recpos trees def = check_rec_call renv [] a; let renv' = push_var_renv renv (x,a) in check_nested_fix_body renv' (decr-1) recArgsDecrArg b - | _ -> anomaly (Pp.str "Not enough abstractions in fix body") + | _ -> anomaly (Pp.str "Not enough abstractions in fix body.") in check_rec_call renv [] def @@ -1025,7 +1021,7 @@ let inductive_of_mutfix env ((nvect,bodynum),(names,types,bodies as recdef)) = || Array.length names <> nbfix || bodynum < 0 || bodynum >= nbfix - then anomaly (Pp.str "Ill-formed fix term"); + then anomaly (Pp.str "Ill-formed fix term."); let fixenv = push_rec_types recdef env in let raise_err env i err = error_ill_formed_rec_body env err names i in @@ -1046,7 +1042,7 @@ let inductive_of_mutfix env ((nvect,bodynum),(names,types,bodies as recdef)) = raise_err env i (RecursionNotOnInductiveType a) in (mind, (env', b)) else check_occur env' (n+1) b - else anomaly ~label:"check_one_fix" (Pp.str "Bad occurrence of recursive call") + else anomaly ~label:"check_one_fix" (Pp.str "Bad occurrence of recursive call.") | _ -> raise_err env i NotEnoughAbstractionInFixBody in check_occur fixenv 1 def in (* Do it on every fixpoint *) @@ -1070,8 +1066,8 @@ let check_fix env ((nvect,_),(names,_,bodies as _recdef) as fix) = done (* -let cfkey = Profile.declare_profile "check_fix";; -let check_fix env fix = Profile.profile3 cfkey check_fix env fix;; +let cfkey = CProfile.declare_profile "check_fix";; +let check_fix env fix = CProfile.profile3 cfkey check_fix env fix;; *) (************************************************************************) @@ -1080,7 +1076,7 @@ let check_fix env fix = Profile.profile3 cfkey check_fix env fix;; exception CoFixGuardError of env * guard_error let anomaly_ill_typed () = - anomaly ~label:"check_one_cofix" (Pp.str "too many arguments applied to constructor") + anomaly ~label:"check_one_cofix" (Pp.str "too many arguments applied to constructor.") let rec codomain_is_coind env c = let b = whd_all env c in |