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-rw-r--r--plugins/firstorder/instances.ml114
1 files changed, 60 insertions, 54 deletions
diff --git a/plugins/firstorder/instances.ml b/plugins/firstorder/instances.ml
index 9dc2a51a6..5a1e7c26a 100644
--- a/plugins/firstorder/instances.ml
+++ b/plugins/firstorder/instances.ml
@@ -10,12 +10,12 @@ open Unify
open Rules
open CErrors
open Util
-open Term
+open EConstr
open Vars
-open Tacmach
+open Tacmach.New
open Tactics
-open Tacticals
-open Termops
+open Tacticals.New
+open Proofview.Notations
open Reductionops
open Formula
open Sequent
@@ -25,11 +25,12 @@ open Sigma.Notations
open Context.Rel.Declaration
let compare_instance inst1 inst2=
+ let cmp c1 c2 = OrderedConstr.compare (EConstr.Unsafe.to_constr c1) (EConstr.Unsafe.to_constr c2) in
match inst1,inst2 with
Phantom(d1),Phantom(d2)->
- (OrderedConstr.compare d1 d2)
+ (cmp d1 d2)
| Real((m1,c1),n1),Real((m2,c2),n2)->
- ((-) =? (-) ==? OrderedConstr.compare) m2 m1 n1 n2 c1 c2
+ ((-) =? (-) ==? cmp) m2 m1 n1 n2 c1 c2
| Phantom(_),Real((m,_),_)-> if Int.equal m 0 then -1 else 1
| Real((m,_),_),Phantom(_)-> if Int.equal m 0 then 1 else -1
@@ -56,12 +57,12 @@ let make_simple_atoms seq=
| None->[]
in {negative=seq.latoms;positive=ratoms}
-let do_sequent setref triv id seq i dom atoms=
+let do_sequent sigma setref triv id seq i dom atoms=
let flag=ref true in
let phref=ref triv in
let do_atoms a1 a2 =
let do_pair t1 t2 =
- match unif_atoms i dom t1 t2 with
+ match unif_atoms sigma i dom t1 t2 with
None->()
| Some (Phantom _) ->phref:=true
| Some c ->flag:=false;setref:=IS.add (c,id) !setref in
@@ -71,26 +72,26 @@ let do_sequent setref triv id seq i dom atoms=
do_atoms atoms (make_simple_atoms seq);
!flag && !phref
-let match_one_quantified_hyp setref seq lf=
+let match_one_quantified_hyp sigma setref seq lf=
match lf.pat with
Left(Lforall(i,dom,triv))|Right(Rexists(i,dom,triv))->
- if do_sequent setref triv lf.id seq i dom lf.atoms then
+ if do_sequent sigma setref triv lf.id seq i dom lf.atoms then
setref:=IS.add ((Phantom dom),lf.id) !setref
| _ -> anomaly (Pp.str "can't happen")
-let give_instances lf seq=
+let give_instances sigma lf seq=
let setref=ref IS.empty in
- List.iter (match_one_quantified_hyp setref seq) lf;
+ List.iter (match_one_quantified_hyp sigma setref seq) lf;
IS.elements !setref
(* collector for the engine *)
-let rec collect_quantified seq=
+let rec collect_quantified sigma seq=
try
- let hd,seq1=take_formula seq in
+ let hd,seq1=take_formula sigma seq in
(match hd.pat with
Left(Lforall(_,_,_)) | Right(Rexists(_,_,_)) ->
- let (q,seq2)=collect_quantified seq1 in
+ let (q,seq2)=collect_quantified sigma seq1 in
((hd::q),seq2)
| _->[],seq)
with Heap.EmptyHeap -> [],seq
@@ -99,60 +100,61 @@ let rec collect_quantified seq=
let dummy_bvid=Id.of_string "x"
-let mk_open_instance id idc gl m t=
- let env=pf_env gl in
- let evmap=Refiner.project gl in
+let mk_open_instance env evmap id idc m t =
let var_id=
if id==dummy_id then dummy_bvid else
- let typ=pf_unsafe_type_of gl idc in
+ let typ=Typing.unsafe_type_of env evmap idc in
(* since we know we will get a product,
reduction is not too expensive *)
- let (nam,_,_)=destProd (EConstr.Unsafe.to_constr (whd_all env evmap typ)) in
+ let (nam,_,_)=destProd evmap (whd_all env evmap typ) in
match nam with
Name id -> id
| Anonymous -> dummy_bvid in
let revt=substl (List.init m (fun i->mkRel (m-i))) t in
let rec aux n avoid env evmap decls =
if Int.equal n 0 then evmap, decls else
- let nid=(fresh_id avoid var_id gl) in
+ let nid=(fresh_id_in_env avoid var_id env) in
let evmap = Sigma.Unsafe.of_evar_map evmap in
let Sigma ((c, _), evmap, _) = Evarutil.new_type_evar env evmap Evd.univ_flexible in
let evmap = Sigma.to_evar_map evmap in
let decl = LocalAssum (Name nid, c) in
aux (n-1) (nid::avoid) (EConstr.push_rel decl env) evmap (decl::decls) in
let evmap, decls = aux m [] env evmap [] in
- evmap, decls, revt
+ (evmap, decls, revt)
(* tactics *)
let left_instance_tac (inst,id) continue seq=
let open EConstr in
+ Proofview.Goal.enter { enter = begin fun gl ->
+ let sigma = project gl in
match inst with
Phantom dom->
- if lookup (id,None) seq then
+ if lookup sigma (id,None) seq then
tclFAIL 0 (Pp.str "already done")
else
- tclTHENS (Proofview.V82.of_tactic (cut (EConstr.of_constr dom)))
+ tclTHENS (cut dom)
[tclTHENLIST
- [Proofview.V82.of_tactic introf;
- pf_constr_of_global id (fun idc ->
- (fun gls-> Proofview.V82.of_tactic (generalize
- [mkApp(idc,
- [|mkVar (Tacmach.pf_nth_hyp_id gls 1)|])]) gls));
- Proofview.V82.of_tactic introf;
+ [introf;
+ (pf_constr_of_global id >>= fun idc ->
+ Proofview.Goal.enter { enter = begin fun gl ->
+ let id0 = List.nth (pf_ids_of_hyps gl) 0 in
+ generalize [mkApp(idc, [|mkVar id0|])]
+ end });
+ introf;
tclSOLVE [wrap 1 false continue
(deepen (record (id,None) seq))]];
- tclTRY (Proofview.V82.of_tactic assumption)]
- | Real((m,t) as c,_)->
- if lookup (id,Some c) seq then
+ tclTRY assumption]
+ | Real((m,t),_)->
+ let c = (m, EConstr.to_constr sigma t) in
+ if lookup sigma (id,Some c) seq then
tclFAIL 0 (Pp.str "already done")
else
let special_generalize=
if m>0 then
- pf_constr_of_global id (fun idc ->
- fun gl->
- let evmap,rc,ot = mk_open_instance id idc gl m t in
- let ot = EConstr.of_constr ot in
+ (pf_constr_of_global id >>= fun idc ->
+ Proofview.Goal.s_enter { s_enter = begin fun gl->
+ let (evmap, rc, ot) = mk_open_instance (pf_env gl) (project gl) id idc m t in
let gt=
it_mkLambda_or_LetIn
(mkApp(idc,[|ot|])) rc in
@@ -160,34 +162,38 @@ let left_instance_tac (inst,id) continue seq=
try Typing.type_of (pf_env gl) evmap gt
with e when CErrors.noncritical e ->
error "Untypable instance, maybe higher-order non-prenex quantification" in
- tclTHEN (Refiner.tclEVARS evmap) (Proofview.V82.of_tactic (generalize [gt])) gl)
+ Sigma.Unsafe.of_pair (generalize [gt], evmap)
+ end })
else
- let t = EConstr.of_constr t in
- pf_constr_of_global id (fun idc ->
- Proofview.V82.of_tactic (generalize [mkApp(idc,[|t|])]))
+ pf_constr_of_global id >>= fun idc -> generalize [mkApp(idc,[|t|])]
in
tclTHENLIST
[special_generalize;
- Proofview.V82.of_tactic introf;
+ introf;
tclSOLVE
[wrap 1 false continue (deepen (record (id,Some c) seq))]]
+ end }
let right_instance_tac inst continue seq=
+ let open EConstr in
+ Proofview.Goal.enter { enter = begin fun gl ->
match inst with
Phantom dom ->
- tclTHENS (Proofview.V82.of_tactic (cut (EConstr.of_constr dom)))
+ tclTHENS (cut dom)
[tclTHENLIST
- [Proofview.V82.of_tactic introf;
- (fun gls->
- Proofview.V82.of_tactic (split (ImplicitBindings
- [EConstr.mkVar (Tacmach.pf_nth_hyp_id gls 1)])) gls);
+ [introf;
+ Proofview.Goal.enter { enter = begin fun gl ->
+ let id0 = List.nth (pf_ids_of_hyps gl) 0 in
+ split (ImplicitBindings [mkVar id0])
+ end };
tclSOLVE [wrap 0 true continue (deepen seq)]];
- tclTRY (Proofview.V82.of_tactic assumption)]
+ tclTRY assumption]
| Real ((0,t),_) ->
- (tclTHEN (Proofview.V82.of_tactic (split (ImplicitBindings [EConstr.of_constr t])))
+ (tclTHEN (split (ImplicitBindings [t]))
(tclSOLVE [wrap 0 true continue (deepen seq)]))
| Real ((m,t),_) ->
tclFAIL 0 (Pp.str "not implemented ... yet")
+ end }
let instance_tac inst=
if (snd inst)==dummy_id then
@@ -195,10 +201,10 @@ let instance_tac inst=
else
left_instance_tac inst
-let quantified_tac lf backtrack continue seq gl=
- let insts=give_instances lf seq in
+let quantified_tac lf backtrack continue seq =
+ Proofview.Goal.enter { enter = begin fun gl ->
+ let insts=give_instances (project gl) lf seq in
tclORELSE
(tclFIRST (List.map (fun inst->instance_tac inst continue seq) insts))
- backtrack gl
-
-
+ backtrack
+ end }