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-rw-r--r--checker/check.mllib2
-rw-r--r--checker/closure.ml80
-rw-r--r--checker/closure.mli4
-rw-r--r--checker/indtypes.ml46
-rw-r--r--checker/inductive.ml33
-rw-r--r--checker/reduction.ml15
-rw-r--r--checker/subtyping.ml8
7 files changed, 104 insertions, 84 deletions
diff --git a/checker/check.mllib b/checker/check.mllib
index 139fa765b4..173ad1e325 100644
--- a/checker/check.mllib
+++ b/checker/check.mllib
@@ -1,5 +1,3 @@
-Coq_config
-
Analyze
Hook
Terminal
diff --git a/checker/closure.ml b/checker/closure.ml
index 5706011607..138499b0e6 100644
--- a/checker/closure.ml
+++ b/checker/closure.ml
@@ -121,9 +121,6 @@ let betaiotazeta = mkflags [fBETA;fIOTA;fZETA]
* abstractions, storing a representation (of type 'a) of the body of
* this constant or abstraction.
* * i_tab is the cache table of the results
- * * i_repr is the function to get the representation from the current
- * state of the cache and the body of the constant. The result
- * is stored in the table.
* * i_rels = (4,[(1,c);(3,d)]) means there are 4 free rel variables
* and only those with index 1 and 3 have bodies which are c and d resp.
*
@@ -156,33 +153,6 @@ end
module KeyTable = Hashtbl.Make(KeyHash)
-type 'a infos = {
- i_flags : reds;
- i_repr : 'a infos -> constr -> 'a;
- i_env : env;
- i_rels : int * (int * constr) list;
- i_tab : 'a KeyTable.t }
-
-let ref_value_cache info ref =
- try
- Some (KeyTable.find info.i_tab ref)
- with Not_found ->
- try
- let body =
- match ref with
- | RelKey n ->
- let (s,l) = info.i_rels in lift n (Int.List.assoc (s-n) l)
- | VarKey id -> raise Not_found
- | ConstKey cst -> constant_value info.i_env cst
- in
- let v = info.i_repr info body in
- KeyTable.add info.i_tab ref v;
- Some v
- with
- | Not_found (* List.assoc *)
- | NotEvaluableConst _ (* Const *)
- -> None
-
let defined_rels flags env =
(* if red_local_const (snd flags) then*)
fold_rel_context
@@ -193,16 +163,6 @@ let defined_rels flags env =
(rel_context env) ~init:(0,[])
(* else (0,[])*)
-let mind_equiv_infos info = mind_equiv info.i_env
-
-let create mk_cl flgs env =
- { i_flags = flgs;
- i_repr = mk_cl;
- i_env = env;
- i_rels = defined_rels flgs env;
- i_tab = KeyTable.create 17 }
-
-
(**********************************************************************)
(* Lazy reduction: the one used in kernel operations *)
@@ -255,6 +215,12 @@ and fterm =
| FCLOS of constr * fconstr subs
| FLOCKED
+type clos_infos = {
+ i_flags : reds;
+ i_env : env;
+ i_rels : int * (int * constr) list;
+ i_tab : fconstr KeyTable.t }
+
let fterm_of v = v.term
let set_norm v = v.norm <- Norm
@@ -372,6 +338,30 @@ let mk_clos e t =
let mk_clos_vect env v = Array.map (mk_clos env) v
+let inject = mk_clos (subs_id 0)
+
+let ref_value_cache info ref =
+ try
+ Some (KeyTable.find info.i_tab ref)
+ with Not_found ->
+ try
+ let body =
+ match ref with
+ | RelKey n ->
+ let (s,l) = info.i_rels in lift n (Int.List.assoc (s-n) l)
+ | VarKey id -> raise Not_found
+ | ConstKey cst -> constant_value info.i_env cst
+ in
+ let v = inject body in
+ KeyTable.add info.i_tab ref v;
+ Some v
+ with
+ | Not_found (* List.assoc *)
+ | NotEvaluableConst _ (* Const *)
+ -> None
+
+let mind_equiv_infos info = mind_equiv info.i_env
+
(* Translate the head constructor of t from constr to fconstr. This
function is parameterized by the function to apply on the direct
subterms.
@@ -783,21 +773,19 @@ let kh info v stk = fapp_stack(kni info v stk)
let whd_val info v =
with_stats (lazy (term_of_fconstr (kh info v [])))
-let inject = mk_clos (subs_id 0)
-
let whd_stack infos m stk =
let k = kni infos m stk in
let _ = fapp_stack k in (* to unlock Zupdates! *)
k
-(* cache of constants: the body is computed only when needed. *)
-type clos_infos = fconstr infos
-
let infos_env x = x.i_env
let infos_flags x = x.i_flags
let oracle_of_infos x = x.i_env.env_conv_oracle
let create_clos_infos flgs env =
- create (fun _ -> inject) flgs env
+ { i_flags = flgs;
+ i_env = env;
+ i_rels = defined_rels flgs env;
+ i_tab = KeyTable.create 17 }
let unfold_reference = ref_value_cache
diff --git a/checker/closure.mli b/checker/closure.mli
index cec785699d..4c6643754b 100644
--- a/checker/closure.mli
+++ b/checker/closure.mli
@@ -61,10 +61,6 @@ val betadeltaiotanolet : reds
type table_key = Constant.t puniverses tableKey
-type 'a infos
-val ref_value_cache: 'a infos -> table_key -> 'a option
-val create: ('a infos -> constr -> 'a) -> reds -> env -> 'a infos
-
(************************************************************************)
(*s Lazy reduction. *)
diff --git a/checker/indtypes.ml b/checker/indtypes.ml
index 0478765a81..50e65ef587 100644
--- a/checker/indtypes.ml
+++ b/checker/indtypes.ml
@@ -310,25 +310,31 @@ let failwith_non_pos_list n ntypes l =
List.iter (failwith_non_pos n ntypes) l;
anomaly ~label:"failwith_non_pos_list" (Pp.str "some k in [n;n+ntypes-1] should occur.")
-(* Conclusion of constructors: check the inductive type is called with
- the expected parameters *)
-let check_correct_par (env,n,ntypes,_) hyps l largs =
- let nparams = rel_context_nhyps hyps in
- let largs = Array.of_list largs in
- if Array.length largs < nparams then
- raise (IllFormedInd (LocalNotEnoughArgs l));
- let (lpar,largs') = Array.chop nparams largs in
- let nhyps = List.length hyps in
- let rec check k index = function
+(* Check the inductive type is called with the expected parameters *)
+(* [n] is the index of the last inductive type in [env] *)
+let check_correct_par (env,n,ntypes,_) paramdecls ind_index args =
+ let nparams = rel_context_nhyps paramdecls in
+ let args = Array.of_list args in
+ if Array.length args < nparams then
+ raise (IllFormedInd (LocalNotEnoughArgs ind_index));
+ let (params,realargs) = Array.chop nparams args in
+ let nparamdecls = List.length paramdecls in
+ let rec check param_index paramdecl_index = function
| [] -> ()
- | LocalDef _ :: hyps -> check k (index+1) hyps
- | _::hyps ->
- match whd_all env lpar.(k) with
- | Rel w when w = index -> check (k-1) (index+1) hyps
- | _ -> raise (IllFormedInd (LocalNonPar (k+1,index,l)))
- in check (nparams-1) (n-nhyps) hyps;
- if not (Array.for_all (noccur_between n ntypes) largs') then
- failwith_non_pos_vect n ntypes largs'
+ | LocalDef _ :: paramdecls ->
+ check param_index (paramdecl_index+1) paramdecls
+ | _::paramdecls ->
+ match whd_all env params.(param_index) with
+ | Rel w when Int.equal w paramdecl_index ->
+ check (param_index-1) (paramdecl_index+1) paramdecls
+ | _ ->
+ let paramdecl_index_in_env = paramdecl_index-n+nparamdecls+1 in
+ let err =
+ LocalNonPar (param_index+1, paramdecl_index_in_env, ind_index) in
+ raise (IllFormedInd err)
+ in check (nparams-1) (n-nparamdecls) paramdecls;
+ if not (Array.for_all (noccur_between n ntypes) realargs) then
+ failwith_non_pos_vect n ntypes realargs
(* Arguments of constructor: check the number of recursive parameters nrecp.
the first parameters which are constant in recursive arguments
@@ -412,8 +418,8 @@ let check_positivity_one (env, _,ntypes,_ as ienv) hyps nrecp (_,i as ind) indlc
| Some b ->
check_pos (ienv_push_var ienv (na, b, mk_norec)) d)
| Rel k ->
- (try
- let (ra,rarg) = List.nth ra_env (k-1) in
+ (try let (ra,rarg) = List.nth ra_env (k-1) in
+ let largs = List.map (whd_all env) largs in
(match ra with
Mrec _ -> check_rec_par ienv hyps nrecp largs
| _ -> ());
diff --git a/checker/inductive.ml b/checker/inductive.ml
index d15380643f..5e34f04f51 100644
--- a/checker/inductive.ml
+++ b/checker/inductive.ml
@@ -282,6 +282,11 @@ let get_instantiated_arity (ind,u) (mib,mip) params =
let elim_sorts (_,mip) = mip.mind_kelim
+let is_primitive_record (mib,_) =
+ match mib.mind_record with
+ | PrimRecord _ -> true
+ | NotRecord | FakeRecord -> false
+
let extended_rel_list n hyps =
let rec reln l p = function
| LocalAssum _ :: hyps -> reln (Rel (n+p) :: l) (p+1) hyps
@@ -381,12 +386,13 @@ let type_case_branches env (pind,largs) (p,pj) c =
(* Checking the case annotation is relevant *)
let check_case_info env indsp ci =
- let (mib,mip) = lookup_mind_specif env indsp in
+ let mib, mip as spec = lookup_mind_specif env indsp in
if
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)
+ (mip.mind_consnrealargs <> ci.ci_cstr_nargs) ||
+ is_primitive_record spec
then raise (TypeError(env,WrongCaseInfo(indsp,ci)))
(************************************************************************)
@@ -801,10 +807,23 @@ let rec subterm_specif renv stack t =
subterm_specif (push_var renv (x,a,spec)) stack' b
(* Metas and evars are considered OK *)
- | (Meta _|Evar _) -> Dead_code
-
- (* Other terms are not subterms *)
- | _ -> Not_subterm
+ | (Meta _|Evar _) -> Dead_code
+
+ | Proj (p, c) ->
+ let subt = subterm_specif renv stack c in
+ (match subt with
+ | Subterm (_s, wf) ->
+ (* We take the subterm specs of the constructor of the record *)
+ let wf_args = (dest_subterms wf).(0) in
+ (* We extract the tree of the projected argument *)
+ let n = Projection.arg p in
+ spec_of_tree (List.nth wf_args n)
+ | Dead_code -> Dead_code
+ | Not_subterm -> Not_subterm)
+
+ (* Other terms are not subterms *)
+ | Var _ | Sort _ | Cast _ | Prod _ | LetIn _ | App _ | Const _ | Ind _
+ | Construct _ | CoFix _ -> Not_subterm
and lazy_subterm_specif renv stack t =
lazy (subterm_specif renv stack t)
@@ -856,6 +875,8 @@ let filter_stack_domain env p stack =
match stack, t with
| elt :: stack', Prod (n,a,c0) ->
let d = LocalAssum (n,a) in
+ let ctx, a = dest_prod_assum env a in
+ let env = push_rel_context ctx env in
let ty, args = decompose_app (whd_all env a) in
let elt = match ty with
| Ind ind ->
diff --git a/checker/reduction.ml b/checker/reduction.ml
index d36c0ef2c9..58a3f4e410 100644
--- a/checker/reduction.ml
+++ b/checker/reduction.ml
@@ -280,17 +280,26 @@ let get_strategy { var_opacity; cst_opacity } = function
with Not_found -> default_level)
| RelKey _ -> Expand
+let dep_order l2r k1 k2 = match k1, k2 with
+| RelKey _, RelKey _ -> l2r
+| RelKey _, (VarKey _ | ConstKey _) -> true
+| VarKey _, RelKey _ -> false
+| VarKey _, VarKey _ -> l2r
+| VarKey _, ConstKey _ -> true
+| ConstKey _, (RelKey _ | VarKey _) -> false
+| ConstKey _, ConstKey _ -> l2r
+
let oracle_order infos l2r k1 k2 =
let o = Closure.oracle_of_infos infos in
match get_strategy o k1, get_strategy o k2 with
- | Expand, Expand -> l2r
+ | Expand, Expand -> dep_order l2r k1 k2
| Expand, (Opaque | Level _) -> true
| (Opaque | Level _), Expand -> false
- | Opaque, Opaque -> l2r
+ | Opaque, Opaque -> dep_order l2r k1 k2
| Level _, Opaque -> true
| Opaque, Level _ -> false
| Level n1, Level n2 ->
- if Int.equal n1 n2 then l2r
+ if Int.equal n1 n2 then dep_order l2r k1 k2
else n1 < n2
let eq_table_key univ =
diff --git a/checker/subtyping.ml b/checker/subtyping.ml
index 0916d98ddf..e2c605dde8 100644
--- a/checker/subtyping.ml
+++ b/checker/subtyping.ml
@@ -198,9 +198,11 @@ let check_inductive env mp1 l info1 mib2 spec2 subst1 subst2=
assert (Array.length mib2.mind_packets = 1);
assert (Array.length mib1.mind_packets.(0).mind_user_lc = 1);
assert (Array.length mib2.mind_packets.(0).mind_user_lc = 1);
- check
- (fun l1 l2 -> List.equal Name.equal l1 l2)
- (fun mib -> names_prod_letin mib.mind_packets.(0).mind_user_lc.(0));
+ check (List.equal Name.equal)
+ (fun mib ->
+ let nparamdecls = List.length mib.mind_params_ctxt in
+ let names = names_prod_letin (mib.mind_packets.(0).mind_user_lc.(0)) in
+ snd (List.chop nparamdecls names))
end;
(* we first check simple things *)
Array.iter2 check_packet mib1.mind_packets mib2.mind_packets;