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authornotin2007-02-01 19:13:34 +0000
committernotin2007-02-01 19:13:34 +0000
commit41b1b3042d6e03324857d8fa6273470635598f92 (patch)
treeda2b0c326a7c75ff80bf6428f37ba4280dd41245 /kernel
parent81fd137b585ad8b78794267269556b5439be31f1 (diff)
Suppression de code mort
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9582 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'kernel')
-rw-r--r--kernel/environ.ml24
-rw-r--r--kernel/environ.mli1
2 files changed, 0 insertions, 25 deletions
diff --git a/kernel/environ.ml b/kernel/environ.ml
index 2d821991e0..56c0574888 100644
--- a/kernel/environ.ml
+++ b/kernel/environ.ml
@@ -245,30 +245,6 @@ let global_vars_set env constr =
in
filtrec Idset.empty constr
-(* like [global_vars] but don't get through evars *)
-let global_vars_set_drop_evar env constr =
- let fold_constr_drop_evar f acc c = match kind_of_term c with
- | (Rel _ | Meta _ | Var _ | Sort _ | Const _ | Ind _
- | Construct _) -> acc
- | Cast (c,_,t) -> f (f acc c) t
- | Prod (_,t,c) -> f (f acc t) c
- | Lambda (_,t,c) -> f (f acc t) c
- | LetIn (_,b,t,c) -> f (f (f acc b) t) c
- | App (c,l) -> Array.fold_left f (f acc c) l
- | Evar (_,l) -> acc
- | Case (_,p,c,bl) -> Array.fold_left f (f (f acc p) c) bl
- | Fix (_,(lna,tl,bl)) ->
- let fd = array_map3 (fun na t b -> (na,t,b)) lna tl bl in
- Array.fold_left (fun acc (na,t,b) -> f (f acc t) b) acc fd
- | CoFix (_,(lna,tl,bl)) ->
- let fd = array_map3 (fun na t b -> (na,t,b)) lna tl bl in
- Array.fold_left (fun acc (na,t,b) -> f (f acc t) b) acc fd in
- let rec filtrec acc c =
- let vl = vars_of_global env c in
- let acc = List.fold_right Idset.add vl acc in
- fold_constr_drop_evar filtrec acc c
- in
- filtrec Idset.empty constr
(* [keep_hyps env ids] keeps the part of the section context of [env] which
contains the variables of the set [ids], and recursively the variables
diff --git a/kernel/environ.mli b/kernel/environ.mli
index 175b18b247..8ba5962d3b 100644
--- a/kernel/environ.mli
+++ b/kernel/environ.mli
@@ -165,7 +165,6 @@ val set_engagement : engagement -> env -> env
(* [global_vars_set env c] returns the list of [id]'s occurring as
[VAR id] in [c] *)
val global_vars_set : env -> constr -> Idset.t
-val global_vars_set_drop_evar : env -> constr -> Idset.t
(* the constr must be an atomic construction *)
val vars_of_global : env -> constr -> identifier list