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-rw-r--r--tactics/auto.ml3
-rw-r--r--tactics/class_tactics.ml2
-rw-r--r--tactics/eauto.ml2
-rw-r--r--tactics/hints.ml120
-rw-r--r--tactics/hints.mli2
-rw-r--r--tactics/tactics.ml21
6 files changed, 87 insertions, 63 deletions
diff --git a/tactics/auto.ml b/tactics/auto.ml
index 0931c3e61e..488bcb5208 100644
--- a/tactics/auto.ml
+++ b/tactics/auto.ml
@@ -369,8 +369,7 @@ and tac_of_hint dbg db_list local_db concl (flags, h) =
let info = Exninfo.reify () in
Tacticals.New.tclFAIL ~info 0 (str"Unbound reference")
end
- | Extern tacast ->
- let p = FullHint.pattern h in
+ | Extern (p, tacast) ->
conclPattern concl p tacast
in
let pr_hint env sigma =
diff --git a/tactics/class_tactics.ml b/tactics/class_tactics.ml
index 36544883aa..378a3e718b 100644
--- a/tactics/class_tactics.ml
+++ b/tactics/class_tactics.ml
@@ -359,7 +359,7 @@ and e_my_find_search db_list local_db secvars hdc complete only_classes env sigm
Tacticals.New.tclTHEN fst snd
| Unfold_nth c ->
Proofview.tclPROGRESS (unfold_in_concl [AllOccurrences,c])
- | Extern tacast -> conclPattern concl p tacast
+ | Extern (p, tacast) -> conclPattern concl p tacast
in
let tac = FullHint.run h tac in
let tac = if complete then Tacticals.New.tclCOMPLETE tac else tac in
diff --git a/tactics/eauto.ml b/tactics/eauto.ml
index 9a554b117e..17e6a6edb4 100644
--- a/tactics/eauto.ml
+++ b/tactics/eauto.ml
@@ -126,7 +126,7 @@ and e_my_find_search env sigma db_list local_db secvars concl =
Tacticals.New.tclTHEN (unify_e_resolve st h)
(e_trivial_fail_db db_list local_db)
| Unfold_nth c -> reduce (Unfold [AllOccurrences,c]) onConcl
- | Extern tacast -> conclPattern concl (FullHint.pattern h) tacast
+ | Extern (pat, tacast) -> conclPattern concl pat tacast
in
let tac = FullHint.run h tac in
(tac, b, lazy (FullHint.print env sigma h))
diff --git a/tactics/hints.ml b/tactics/hints.ml
index 41b200bb83..4532f97a27 100644
--- a/tactics/hints.ml
+++ b/tactics/hints.ml
@@ -42,21 +42,22 @@ type debug = Debug | Info | Off
exception Bound
-let head_constr_bound sigma t =
- let t = strip_outer_cast sigma t in
- let _,ccl = decompose_prod_assum sigma t in
- let hd,args = decompose_app sigma ccl in
- let open GlobRef in
- match EConstr.kind sigma hd with
- | Const (c, _) -> ConstRef c
- | Ind (i, _) -> IndRef i
- | Construct (c, _) -> ConstructRef c
- | Var id -> VarRef id
- | Proj (p, _) -> ConstRef (Projection.constant p)
- | _ -> raise Bound
+let rec head_bound sigma t = match EConstr.kind sigma t with
+| Prod (_, _, b) -> head_bound sigma b
+| LetIn (_, _, _, b) -> head_bound sigma b
+| App (c, _) -> head_bound sigma c
+| Case (_, _, _, c, _) -> head_bound sigma c
+| Ind (ind, _) -> GlobRef.IndRef ind
+| Const (c, _) -> GlobRef.ConstRef c
+| Construct (c, _) -> GlobRef.ConstructRef c
+| Var id -> GlobRef.VarRef id
+| Proj (p, _) -> GlobRef.ConstRef (Projection.constant p)
+| Cast (c, _, _) -> head_bound sigma c
+| Evar _ | Rel _ | Meta _ | Sort _ | Fix _ | Lambda _
+| CoFix _ | Int _ | Float _ | Array _ -> raise Bound
let head_constr sigma c =
- try head_constr_bound sigma c
+ try head_bound sigma c
with Bound -> user_err (Pp.str "Head identifier must be a constant, section variable, \
(co)inductive type, (co)inductive type constructor, or projection.")
@@ -105,7 +106,7 @@ type 'a hint_ast =
| Give_exact of 'a
| Res_pf_THEN_trivial_fail of 'a (* Hint Immediate *)
| Unfold_nth of evaluable_global_reference (* Hint Unfold *)
- | Extern of Genarg.glob_generic_argument (* Hint Extern *)
+ | Extern of Pattern.constr_pattern option * Genarg.glob_generic_argument (* Hint Extern *)
type 'a hints_path_atom_gen =
@@ -237,10 +238,38 @@ let pri_order t1 t2 = pri_order_int t1 t2 <= 0
type stored_data = int * full_hint
(* First component is the index of insertion in the table, to keep most recent first semantics. *)
-module Bounded_net = Btermdn.Make(struct
- type t = stored_data
- let compare = pri_order_int
- end)
+module Bounded_net :
+sig
+ type t
+ val empty : t
+ val add : TransparentState.t option -> t -> Pattern.constr_pattern -> stored_data -> t
+ val lookup : Evd.evar_map -> TransparentState.t option -> t -> EConstr.constr -> stored_data list
+end =
+struct
+ module Data = struct type t = stored_data let compare = pri_order_int end
+ module Bnet = Btermdn.Make(Data)
+
+ type diff = TransparentState.t option * Pattern.constr_pattern * stored_data
+ type data = Bnet of Bnet.t | Diff of diff * data ref
+ type t = data ref
+
+ let empty = ref (Bnet Bnet.empty)
+
+ let add st net p v = ref (Diff ((st, p, v), net))
+
+ let rec force net = match !net with
+ | Bnet dn -> dn
+ | Diff ((st, p, v), rem) ->
+ let dn = force rem in
+ let p = Bnet.pattern st p in
+ let dn = Bnet.add dn p v in
+ let () = net := (Bnet dn) in
+ dn
+
+ let lookup sigma st net p =
+ let dn = force net in
+ Bnet.lookup sigma st dn p
+end
type search_entry = {
sentry_nopat : stored_data list;
@@ -263,18 +292,17 @@ let add_tac pat t se =
| None ->
if List.exists (eq_pri_auto_tactic t) se.sentry_nopat then se
else { se with sentry_nopat = List.insert pri_order t se.sentry_nopat }
- | Some pat ->
+ | Some (st, pat) ->
if List.exists (eq_pri_auto_tactic t) se.sentry_pat then se
else { se with
sentry_pat = List.insert pri_order t se.sentry_pat;
- sentry_bnet = Bounded_net.add se.sentry_bnet pat t; }
+ sentry_bnet = Bounded_net.add st se.sentry_bnet pat t; }
let rebuild_dn st se =
let dn' =
List.fold_left
(fun dn (id, t) ->
- let pat = Bounded_net.pattern (Some st) (Option.get t.pat) in
- Bounded_net.add dn pat (id, t))
+ Bounded_net.add (Some st) dn (Option.get t.pat) (id, t))
Bounded_net.empty se.sentry_pat
in
{ se with sentry_bnet = dn' }
@@ -322,8 +350,7 @@ let instantiate_hint env sigma p =
| Res_pf_THEN_trivial_fail c ->
Res_pf_THEN_trivial_fail (mk_clenv c)
| Give_exact c -> Give_exact (mk_clenv c)
- | Unfold_nth e -> Unfold_nth e
- | Extern t -> Extern t
+ | (Unfold_nth _ | Extern _) as h -> h
in
{ p with code = { p.code with obj = code } }
@@ -650,7 +677,7 @@ struct
if not db.use_dn && is_exact v.code.obj then None
else
let dnst = if db.use_dn then Some db.hintdb_state else None in
- Option.map (fun p -> Bounded_net.pattern dnst p) v.pat
+ Option.map (fun p -> (dnst, p)) v.pat
in
let oval = find gr db in
{ db with hintdb_map = GlobRef.Map.add gr (add_tac pat idv oval) db.hintdb_map }
@@ -775,12 +802,6 @@ let rec nb_hyp sigma c = match EConstr.kind sigma c with
(* adding and removing tactics in the search table *)
-let try_head_pattern c =
- try head_pattern_bound c
- with BoundPattern ->
- user_err (Pp.str "Head pattern or sub-pattern must be a global constant, a section variable, \
- an if, case, or let expression, an application, or a projection.")
-
let with_uid c = { obj = c; uid = fresh_key () }
let secvars_of_idset s =
@@ -801,15 +822,15 @@ let make_exact_entry env sigma info ~poly ?(name=PathAny) (c, cty, ctx) =
match EConstr.kind sigma cty with
| Prod _ -> failwith "make_exact_entry"
| _ ->
- let pat = Patternops.pattern_of_constr env sigma (EConstr.to_constr ~abort_on_undefined_evars:false sigma cty) in
let hd =
- try head_pattern_bound pat
- with BoundPattern -> failwith "make_exact_entry"
+ try head_bound sigma cty
+ with Bound -> failwith "make_exact_entry"
in
let pri = match info.hint_priority with None -> 0 | Some p -> p in
let pat = match info.hint_pattern with
| Some pat -> snd pat
- | None -> pat
+ | None ->
+ Patternops.pattern_of_constr env sigma (EConstr.to_constr ~abort_on_undefined_evars:false sigma cty)
in
(Some hd,
{ pri; pat = Some pat; name;
@@ -823,16 +844,17 @@ let make_apply_entry env sigma (eapply,hnf,verbose) info ~poly ?(name=PathAny) (
let sigma' = Evd.merge_context_set univ_flexible sigma ctx in
let ce = mk_clenv_from_env env sigma' None (c,cty) in
let c' = clenv_type (* ~reduce:false *) ce in
- let pat = Patternops.pattern_of_constr env ce.evd (EConstr.to_constr ~abort_on_undefined_evars:false sigma c') in
let hd =
- try head_pattern_bound pat
- with BoundPattern -> failwith "make_apply_entry" in
+ try head_bound ce.evd c'
+ with Bound -> failwith "make_apply_entry" in
let miss = clenv_missing ce in
let nmiss = List.length miss in
let secvars = secvars_of_constr env sigma c in
let pri = match info.hint_priority with None -> nb_hyp sigma' cty + nmiss | Some p -> p in
let pat = match info.hint_pattern with
- | Some p -> snd p | None -> pat
+ | Some p -> snd p
+ | None ->
+ Patternops.pattern_of_constr env ce.evd (EConstr.to_constr ~abort_on_undefined_evars:false sigma c')
in
if Int.equal nmiss 0 then
(Some hd,
@@ -935,14 +957,21 @@ let make_unfold eref =
code = with_uid (Unfold_nth eref) })
let make_extern pri pat tacast =
- let hdconstr = Option.map try_head_pattern pat in
+ let hdconstr = match pat with
+ | None -> None
+ | Some c ->
+ try Some (head_pattern_bound c)
+ with BoundPattern ->
+ user_err (Pp.str "Head pattern or sub-pattern must be a global constant, a section variable, \
+ an if, case, or let expression, an application, or a projection.")
+ in
(hdconstr,
{ pri = pri;
pat = pat;
name = PathAny;
db = None;
secvars = Id.Pred.empty; (* Approximation *)
- code = with_uid (Extern tacast) })
+ code = with_uid (Extern (pat, tacast)) })
let make_mode ref m =
let open Term in
@@ -1076,7 +1105,7 @@ let subst_autohint (subst, obj) =
match t with
| None -> gr'
| Some t ->
- (try head_constr_bound Evd.empty (EConstr.of_constr t.Univ.univ_abstracted_value)
+ (try head_bound Evd.empty (EConstr.of_constr t.Univ.univ_abstracted_value)
with Bound -> gr')
in
let subst_mps subst c = EConstr.of_constr (subst_mps subst (EConstr.Unsafe.to_constr c)) in
@@ -1106,9 +1135,10 @@ let subst_autohint (subst, obj) =
| Unfold_nth ref ->
let ref' = subst_evaluable_reference subst ref in
if ref==ref' then data.code.obj else Unfold_nth ref'
- | Extern tac ->
+ | Extern (pat, tac) ->
+ let pat' = Option.Smart.map (subst_pattern env sigma subst) data.pat in
let tac' = Genintern.generic_substitute subst tac in
- if tac==tac' then data.code.obj else Extern tac'
+ if pat==pat' && tac==tac' then data.code.obj else Extern (pat', tac')
in
let name' = subst_path_atom subst data.name in
let uid' = subst_kn subst data.code.uid in
@@ -1388,7 +1418,7 @@ let pr_hint env sigma h = match h.obj with
(str"simple apply " ++ pr_hint_elt env sigma c ++ str" ; trivial")
| Unfold_nth c ->
str"unfold " ++ pr_evaluable_reference c
- | Extern tac ->
+ | Extern (_, tac) ->
str "(*external*) " ++ Pputils.pr_glb_generic env sigma tac
let pr_id_hint env sigma (id, v) =
diff --git a/tactics/hints.mli b/tactics/hints.mli
index f0fed75828..0b9da27ab3 100644
--- a/tactics/hints.mli
+++ b/tactics/hints.mli
@@ -37,7 +37,7 @@ type 'a hint_ast =
| Give_exact of 'a
| Res_pf_THEN_trivial_fail of 'a (* Hint Immediate *)
| Unfold_nth of evaluable_global_reference (* Hint Unfold *)
- | Extern of Genarg.glob_generic_argument (* Hint Extern *)
+ | Extern of Pattern.constr_pattern option * Genarg.glob_generic_argument (* Hint Extern *)
type hint = private {
hint_term : constr;
diff --git a/tactics/tactics.ml b/tactics/tactics.ml
index f553a290f9..cb2e607012 100644
--- a/tactics/tactics.ml
+++ b/tactics/tactics.ml
@@ -117,7 +117,7 @@ let unsafe_intro env decl b =
Refine.refine ~typecheck:false begin fun sigma ->
let ctx = named_context_val env in
let nctx = push_named_context_val decl ctx in
- let inst = List.map (NamedDecl.get_id %> mkVar) (named_context env) in
+ let inst = identity_subst_val (named_context_val env) in
let ninst = mkRel 1 :: inst in
let nb = subst1 (mkVar (NamedDecl.get_id decl)) b in
let (sigma, ev) = new_pure_evar nctx sigma nb ~principal:true in
@@ -338,7 +338,7 @@ let rename_hyp repl =
let nhyps = List.map map hyps in
let nconcl = subst concl in
let nctx = val_of_named_context nhyps in
- let instance = List.map (NamedDecl.get_id %> mkVar) hyps in
+ let instance = EConstr.identity_subst_val (Environ.named_context_val env) in
Refine.refine ~typecheck:false begin fun sigma ->
let sigma, ev = Evarutil.new_pure_evar nctx sigma nconcl ~principal:true in
sigma, mkEvar (ev, instance)
@@ -437,11 +437,6 @@ let clear_hyps2 env sigma ids sign t cl =
with Evarutil.ClearDependencyError (id,err,inglobal) ->
error_replacing_dependency env sigma id err inglobal
-let new_evar_from_context ?principal sign evd typ =
- let instance = List.map (NamedDecl.get_id %> EConstr.mkVar) (named_context_of_val sign) in
- let (evd, evk) = Evarutil.new_pure_evar sign evd typ in
- (evd, mkEvar (evk, instance))
-
let internal_cut ?(check=true) replace id t =
Proofview.Goal.enter begin fun gl ->
let env = Proofview.Goal.env gl in
@@ -449,22 +444,22 @@ let internal_cut ?(check=true) replace id t =
let concl = Proofview.Goal.concl gl in
let sign = named_context_val env in
let r = Retyping.relevance_of_type env sigma t in
- let sign',t,concl,sigma =
+ let env',t,concl,sigma =
if replace then
let nexthyp = get_next_hyp_position env sigma id (named_context_of_val sign) in
let sigma,sign',t,concl = clear_hyps2 env sigma (Id.Set.singleton id) sign t concl in
let sign' = insert_decl_in_named_context env sigma (LocalAssum (make_annot id r,t)) nexthyp sign' in
- sign',t,concl,sigma
+ Environ.reset_with_named_context sign' env,t,concl,sigma
else
(if check && mem_named_context_val id sign then
user_err (str "Variable " ++ Id.print id ++ str " is already declared.");
- push_named_context_val (LocalAssum (make_annot id r,t)) sign,t,concl,sigma) in
+ push_named (LocalAssum (make_annot id r,t)) env,t,concl,sigma) in
let nf_t = nf_betaiota env sigma t in
Proofview.tclTHEN
(Proofview.Unsafe.tclEVARS sigma)
(Refine.refine ~typecheck:false begin fun sigma ->
- let (sigma, ev) = new_evar_from_context sign sigma nf_t in
- let (sigma, ev') = new_evar_from_context sign' sigma ~principal:true concl in
+ let (sigma, ev) = Evarutil.new_evar env sigma nf_t in
+ let (sigma, ev') = Evarutil.new_evar ~principal:true env' sigma concl in
let term = mkLetIn (make_annot (Name id) r, ev, t, EConstr.Vars.subst_var id ev') in
(sigma, term)
end)
@@ -2788,7 +2783,7 @@ let pose_tac na c =
let id = make_annot id Sorts.Relevant in
let nhyps = EConstr.push_named_context_val (NamedDecl.LocalDef (id, c, t)) hyps in
let (sigma, ev) = Evarutil.new_pure_evar nhyps sigma concl in
- let inst = List.map (fun d -> mkVar (get_id d)) (named_context env) in
+ let inst = EConstr.identity_subst_val hyps in
let body = mkEvar (ev, mkRel 1 :: inst) in
(sigma, mkLetIn (map_annot Name.mk_name id, c, t, body))
end