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-rw-r--r--proofs/goal.ml5
-rw-r--r--proofs/logic.ml51
-rw-r--r--proofs/proof_global.ml7
-rw-r--r--proofs/proof_using.ml8
-rw-r--r--proofs/proofview.ml22
-rw-r--r--proofs/refiner.ml6
-rw-r--r--proofs/tacmach.ml17
7 files changed, 70 insertions, 46 deletions
diff --git a/proofs/goal.ml b/proofs/goal.ml
index 1dd5be0e7..84ffee23c 100644
--- a/proofs/goal.ml
+++ b/proofs/goal.ml
@@ -9,6 +9,7 @@
open Util
open Pp
open Term
+open Context.Named.Declaration
(* This module implements the abstract interface to goals *)
(* A general invariant of the module, is that a goal whose associated
@@ -73,7 +74,7 @@ module V82 = struct
let (evars, evk) = Evarutil.new_pure_evar_full evars evi in
let evars = Evd.restore_future_goals evars prev_future_goals prev_principal_goal in
let ctxt = Environ.named_context_of_val hyps in
- let inst = Array.map_of_list (fun (id, _, _) -> mkVar id) ctxt in
+ let inst = Array.map_of_list (mkVar % get_id) ctxt in
let ev = Term.mkEvar (evk,inst) in
(evk, ev, evars)
@@ -139,7 +140,7 @@ module V82 = struct
let env = env sigma gl in
let genv = Global.env () in
let is_proof_var decl =
- try ignore (Environ.lookup_named (Util.pi1 decl) genv); false
+ try ignore (Environ.lookup_named (get_id decl) genv); false
with Not_found -> true in
Environ.fold_named_context_reverse (fun t decl ->
if is_proof_var decl then
diff --git a/proofs/logic.ml b/proofs/logic.ml
index 99e32db04..09f308abe 100644
--- a/proofs/logic.ml
+++ b/proofs/logic.ml
@@ -22,6 +22,7 @@ open Proof_type
open Type_errors
open Retyping
open Misctypes
+open Context.Named.Declaration
type refiner_error =
@@ -160,7 +161,8 @@ let reorder_context env sign ord =
| _ ->
(match ctxt_head with
| [] -> error_no_such_hypothesis (List.hd ord)
- | (x,_,_ as d) :: ctxt ->
+ | d :: ctxt ->
+ let x = get_id d in
if Id.Set.mem x expected then
step ord (Id.Set.remove x expected)
ctxt (push_item x d moved_hyps) ctxt_tail
@@ -175,7 +177,8 @@ let reorder_val_context env sign ord =
-let check_decl_position env sign (x,_,_ as d) =
+let check_decl_position env sign d =
+ let x = get_id d in
let needed = global_vars_set_of_decl env d in
let deps = dependency_closure env (named_context_of_val sign) needed in
if Id.List.mem x deps then
@@ -200,16 +203,17 @@ let move_location_eq m1 m2 = match m1, m2 with
let rec get_hyp_after h = function
| [] -> error_no_such_hypothesis h
- | (hyp,_,_) :: right ->
- if Id.equal hyp h then
- match right with (id,_,_)::_ -> MoveBefore id | [] -> MoveFirst
+ | d :: right ->
+ if Id.equal (get_id d) h then
+ match right with d' ::_ -> MoveBefore (get_id d') | [] -> MoveFirst
else
get_hyp_after h right
let split_sign hfrom hto l =
let rec splitrec left toleft = function
| [] -> error_no_such_hypothesis hfrom
- | (hyp,c,typ) as d :: right ->
+ | d :: right ->
+ let hyp,_,typ = to_tuple d in
if Id.equal hyp hfrom then
(left,right,d, toleft || move_location_eq hto MoveLast)
else
@@ -227,27 +231,28 @@ let hyp_of_move_location = function
| MoveBefore id -> id
| _ -> assert false
-let move_hyp toleft (left,(idfrom,_,_ as declfrom),right) hto =
+let move_hyp toleft (left,declfrom,right) hto =
let env = Global.env() in
- let test_dep (hyp,c,typ as d) (hyp2,c,typ2 as d2) =
+ let test_dep d d2 =
if toleft
- then occur_var_in_decl env hyp2 d
- else occur_var_in_decl env hyp d2
+ then occur_var_in_decl env (get_id d2) d
+ else occur_var_in_decl env (get_id d) d2
in
let rec moverec first middle = function
| [] ->
if match hto with MoveFirst | MoveLast -> false | _ -> true then
error_no_such_hypothesis (hyp_of_move_location hto);
List.rev first @ List.rev middle
- | (hyp,_,_) :: _ as right when move_location_eq hto (MoveBefore hyp) ->
+ | d :: _ as right when move_location_eq hto (MoveBefore (get_id d)) ->
List.rev first @ List.rev middle @ right
- | (hyp,_,_) as d :: right ->
+ | d :: right ->
+ let hyp = get_id d in
let (first',middle') =
if List.exists (test_dep d) middle then
if not (move_location_eq hto (MoveAfter hyp)) then
(first, d::middle)
else
- errorlabstrm "move_hyp" (str "Cannot move " ++ pr_id idfrom ++
+ errorlabstrm "move_hyp" (str "Cannot move " ++ pr_id (get_id declfrom) ++
Miscprint.pr_move_location pr_id hto ++
str (if toleft then ": it occurs in " else ": it depends on ")
++ pr_id hyp ++ str ".")
@@ -483,12 +488,14 @@ and mk_casegoals sigma goal goalacc p c =
(acc'',lbrty,conclty,sigma,p',c')
-let convert_hyp check sign sigma (id,b,bt as d) =
+let convert_hyp check sign sigma d =
+ let id,b,bt = to_tuple d in
let env = Global.env() in
let reorder = ref [] in
let sign' =
apply_to_hyp sign id
- (fun _ (_,c,ct) _ ->
+ (fun _ d' _ ->
+ let _,c,ct = to_tuple d' in
let env = Global.env_of_context sign in
if check && not (is_conv env sigma bt ct) then
errorlabstrm "Logic.convert_hyp"
@@ -522,14 +529,14 @@ let prim_refiner r sigma goal =
if replace then
let nexthyp = get_hyp_after id (named_context_of_val sign) in
let sign,t,cl,sigma = clear_hyps2 env sigma (Id.Set.singleton id) sign t cl in
- move_hyp false ([],(id,None,t),named_context_of_val sign)
+ move_hyp false ([], LocalAssum (id,t),named_context_of_val sign)
nexthyp,
t,cl,sigma
else
(if !check && mem_named_context id (named_context_of_val sign) then
errorlabstrm "Logic.prim_refiner"
(str "Variable " ++ pr_id id ++ str " is already declared.");
- push_named_context_val (id,None,t) sign,t,cl,sigma) in
+ push_named_context_val (LocalAssum (id,t)) sign,t,cl,sigma) in
let (sg2,ev2,sigma) =
Goal.V82.mk_goal sigma sign cl (Goal.V82.extra sigma goal) in
let oterm = Term.mkNamedLetIn id ev1 t ev2 in
@@ -546,7 +553,8 @@ let prim_refiner r sigma goal =
with Not_found ->
error "Cannot do a fixpoint on a non inductive type."
else
- check_ind (push_rel (na,None,c1) env) (k-1) b
+ let open Context.Rel.Declaration in
+ check_ind (push_rel (LocalAssum (na,c1)) env) (k-1) b
| _ -> error "Not enough products."
in
let ((sp,_),u) = check_ind env n cl in
@@ -560,7 +568,7 @@ let prim_refiner r sigma goal =
if !check && mem_named_context f (named_context_of_val sign) then
errorlabstrm "Logic.prim_refiner"
(str "Name " ++ pr_id f ++ str " already used in the environment");
- mk_sign (push_named_context_val (f,None,ar) sign) oth
+ mk_sign (push_named_context_val (LocalAssum (f,ar)) sign) oth
| [] ->
Evd.Monad.List.map (fun (_,_,c) sigma ->
let gl,ev,sig' =
@@ -584,7 +592,8 @@ let prim_refiner r sigma goal =
let rec check_is_coind env cl =
let b = whd_betadeltaiota env sigma cl in
match kind_of_term b with
- | Prod (na,c1,b) -> check_is_coind (push_rel (na,None,c1) env) b
+ | Prod (na,c1,b) -> let open Context.Rel.Declaration in
+ check_is_coind (push_rel (LocalAssum (na,c1)) env) b
| _ ->
try
let _ = find_coinductive env sigma b in ()
@@ -601,7 +610,7 @@ let prim_refiner r sigma goal =
error "Name already used in the environment.")
with
| Not_found ->
- mk_sign (push_named_context_val (f,None,ar) sign) oth)
+ mk_sign (push_named_context_val (LocalAssum (f,ar)) sign) oth)
| [] ->
Evd.Monad.List.map (fun (_,c) sigma ->
let gl,ev,sigma =
diff --git a/proofs/proof_global.ml b/proofs/proof_global.ml
index fc33e9a65..403a36141 100644
--- a/proofs/proof_global.ml
+++ b/proofs/proof_global.ml
@@ -267,18 +267,19 @@ let _ = Goptions.declare_bool_option
Goptions.optwrite = (fun b -> proof_using_auto_clear := b) }
let set_used_variables l =
+ let open Context.Named.Declaration in
let env = Global.env () in
let ids = List.fold_right Id.Set.add l Id.Set.empty in
let ctx = Environ.keep_hyps env ids in
let ctx_set =
- List.fold_right Id.Set.add (List.map pi1 ctx) Id.Set.empty in
+ List.fold_right Id.Set.add (List.map get_id ctx) Id.Set.empty in
let vars_of = Environ.global_vars_set in
let aux env entry (ctx, all_safe, to_clear as orig) =
match entry with
- | (x,None,_) ->
+ | LocalAssum (x,_) ->
if Id.Set.mem x all_safe then orig
else (ctx, all_safe, (Loc.ghost,x)::to_clear)
- | (x,Some bo, ty) as decl ->
+ | LocalDef (x,bo, ty) as decl ->
if Id.Set.mem x all_safe then orig else
let vars = Id.Set.union (vars_of env bo) (vars_of env ty) in
if Id.Set.subset vars all_safe
diff --git a/proofs/proof_using.ml b/proofs/proof_using.ml
index a69645b11..681a7fa1a 100644
--- a/proofs/proof_using.ml
+++ b/proofs/proof_using.ml
@@ -10,6 +10,7 @@ open Names
open Environ
open Util
open Vernacexpr
+open Context.Named.Declaration
let to_string e =
let rec aux = function
@@ -33,7 +34,8 @@ let in_nameset =
let rec close_fwd e s =
let s' =
- List.fold_left (fun s (id,b,ty) ->
+ List.fold_left (fun s decl ->
+ let (id,b,ty) = Context.Named.Declaration.to_tuple decl in
let vb = Option.(default Id.Set.empty (map (global_vars_set e) b)) in
let vty = global_vars_set e ty in
let vbty = Id.Set.union vb vty in
@@ -61,13 +63,13 @@ and set_of_id env ty id =
Id.Set.union (global_vars_set env ty) acc)
Id.Set.empty ty
else if Id.to_string id = "All" then
- List.fold_right Id.Set.add (List.map pi1 (named_context env)) Id.Set.empty
+ List.fold_right Id.Set.add (List.map get_id (named_context env)) Id.Set.empty
else if CList.mem_assoc_f Id.equal id !known_names then
process_expr env (CList.assoc_f Id.equal id !known_names) []
else Id.Set.singleton id
and full_set env =
- List.fold_right Id.Set.add (List.map pi1 (named_context env)) Id.Set.empty
+ List.fold_right Id.Set.add (List.map get_id (named_context env)) Id.Set.empty
let process_expr env e ty =
let ty_expr = SsSingl(Loc.ghost, Id.of_string "Type") in
diff --git a/proofs/proofview.ml b/proofs/proofview.ml
index ff8effcda..ebce25d29 100644
--- a/proofs/proofview.ml
+++ b/proofs/proofview.ml
@@ -17,6 +17,7 @@ open Pp
open Util
open Proofview_monad
open Sigma.Notations
+open Context.Named.Declaration
(** Main state of tactics *)
type proofview = Proofview_monad.proofview
@@ -750,9 +751,15 @@ module Progress = struct
let eq_named_context_val sigma1 sigma2 ctx1 ctx2 =
let open Environ in
let c1 = named_context_of_val ctx1 and c2 = named_context_of_val ctx2 in
- let eq_named_declaration (i1, c1, t1) (i2, c2, t2) =
- Names.Id.equal i1 i2 && Option.equal (eq_constr sigma1 sigma2) c1 c2
- && (eq_constr sigma1 sigma2) t1 t2
+ let eq_named_declaration d1 d2 =
+ match d1, d2 with
+ | LocalAssum (i1,t1), LocalAssum (i2,t2) ->
+ Names.Id.equal i1 i2 && eq_constr sigma1 sigma2 t1 t2
+ | LocalDef (i1,c1,t1), LocalDef (i2,c2,t2) ->
+ Names.Id.equal i1 i2 && eq_constr sigma1 sigma2 c1 c2
+ && eq_constr sigma1 sigma2 t1 t2
+ | _ ->
+ false
in List.equal eq_named_declaration c1 c2
let eq_evar_body sigma1 sigma2 b1 b2 =
@@ -1075,12 +1082,13 @@ struct
let typecheck_evar ev env sigma =
let info = Evd.find sigma ev in
(** Typecheck the hypotheses. *)
- let type_hyp (sigma, env) (na, body, t as decl) =
+ let type_hyp (sigma, env) decl =
+ let t = get_type decl in
let evdref = ref sigma in
let _ = Typing.sort_of env evdref t in
- let () = match body with
- | None -> ()
- | Some body -> Typing.check env evdref body t
+ let () = match decl with
+ | LocalAssum _ -> ()
+ | LocalDef (_,body,_) -> Typing.check env evdref body t
in
(!evdref, Environ.push_named decl env)
in
diff --git a/proofs/refiner.ml b/proofs/refiner.ml
index 8d6bdf6ae..186525e15 100644
--- a/proofs/refiner.ml
+++ b/proofs/refiner.ml
@@ -13,7 +13,7 @@ open Evd
open Environ
open Proof_type
open Logic
-
+open Context.Named.Declaration
let sig_it x = x.it
let project x = x.sigma
@@ -202,7 +202,7 @@ let tclSHOWHYPS (tac : tactic) (goal: Goal.goal Evd.sigma)
let { it = gls; sigma = sigma; } = rslt in
let hyps:Context.Named.t list =
List.map (fun gl -> pf_hyps { it = gl; sigma=sigma; }) gls in
- let cmp (i1, c1, t1) (i2, c2, t2) = Names.Id.equal i1 i2 in
+ let cmp d1 d2 = Names.Id.equal (get_id d1) (get_id d2) in
let newhyps =
List.map
(fun hypl -> List.subtract cmp hypl oldhyps)
@@ -215,7 +215,7 @@ let tclSHOWHYPS (tac : tactic) (goal: Goal.goal Evd.sigma)
List.fold_left
(fun acc lh -> acc ^ (if !frst then (frst:=false;"") else " | ")
^ (List.fold_left
- (fun acc (nm,_,_) -> (Names.Id.to_string nm) ^ " " ^ acc)
+ (fun acc d -> (Names.Id.to_string (get_id d)) ^ " " ^ acc)
"" lh))
"" newhyps in
pp (str (emacs_str "<infoH>")
diff --git a/proofs/tacmach.ml b/proofs/tacmach.ml
index a1ebacea8..429bd2774 100644
--- a/proofs/tacmach.ml
+++ b/proofs/tacmach.ml
@@ -18,6 +18,7 @@ open Tacred
open Proof_type
open Logic
open Refiner
+open Context.Named.Declaration
let re_sig it gc = { it = it; sigma = gc; }
@@ -40,9 +41,11 @@ let pf_hyps = Refiner.pf_hyps
let pf_concl gls = Goal.V82.concl (project gls) (sig_it gls)
let pf_hyps_types gls =
let sign = Environ.named_context (pf_env gls) in
- List.map (fun (id,_,x) -> (id, x)) sign
+ List.map (function LocalAssum (id,x)
+ | LocalDef (id,_,x) -> id, x)
+ sign
-let pf_nth_hyp_id gls n = let (id,c,t) = List.nth (pf_hyps gls) (n-1) in id
+let pf_nth_hyp_id gls n = List.nth (pf_hyps gls) (n-1) |> get_id
let pf_last_hyp gl = List.hd (pf_hyps gl)
@@ -53,8 +56,7 @@ let pf_get_hyp gls id =
raise (RefinerError (NoSuchHyp id))
let pf_get_hyp_typ gls id =
- let (_,_,ty)= (pf_get_hyp gls id) in
- ty
+ pf_get_hyp gls id |> get_type
let pf_ids_of_hyps gls = ids_of_named_context (pf_hyps gls)
@@ -204,13 +206,14 @@ module New = struct
sign
let pf_get_hyp_typ id gl =
- let (_,_,ty) = pf_get_hyp id gl in
- ty
+ pf_get_hyp id gl |> get_type
let pf_hyps_types gl =
let env = Proofview.Goal.env gl in
let sign = Environ.named_context env in
- List.map (fun (id,_,x) -> (id, x)) sign
+ List.map (function LocalAssum (id,x)
+ | LocalDef (id,_,x) -> id, x)
+ sign
let pf_last_hyp gl =
let hyps = Proofview.Goal.hyps gl in