(* Interface to Perl from OCaml.
* Copyright (C) 2003 Merjis Ltd.
- * $Id: perl.ml,v 1.11 2003-12-11 17:41:52 rich Exp $
+ * $Id: perl.ml,v 1.14 2005-01-29 12:22:49 rich Exp $
*)
type sv
external sv_of_string : string -> sv = "perl4caml_sv_of_string"
external sv_is_true : sv -> bool = "perl4caml_sv_is_true"
external sv_undef : unit -> sv = "perl4caml_sv_undef"
+external sv_is_undef : sv -> bool = "perl4caml_sv_is_undef"
external sv_yes : unit -> sv = "perl4caml_sv_yes"
external sv_no : unit -> sv = "perl4caml_sv_no"
| SVt_PVMG
external sv_type : sv -> sv_t = "perl4caml_sv_type"
-let sv_is_undef sv =
- SVt_NULL = sv_type sv
let string_of_sv_t = function
SVt_NULL -> "SVt_NULL"
| SVt_PVGV -> "SVt_PVGV"
| SVt_PVMG -> "SVt_PVMG"
+external address_of_sv : sv -> Nativeint.t = "perl4caml_address_of_sv"
+external address_of_av : av -> Nativeint.t = "perl4caml_address_of_av"
+external address_of_hv : hv -> Nativeint.t = "perl4caml_address_of_hv"
+
external scalarref : sv -> sv = "perl4caml_scalarref"
external arrayref : av -> sv = "perl4caml_arrayref"
external hashref : hv -> sv = "perl4caml_hashref"
external hv_clear : hv -> unit = "perl4caml_hv_clear"
external hv_undef : hv -> unit = "perl4caml_hv_undef"
+type he
+external hv_iterinit : hv -> Int32.t = "perl4caml_hv_iterinit"
+external hv_iternext : hv -> he = "perl4caml_hv_iternext"
+external hv_iterkey : he -> string = "perl4caml_hv_iterkey"
+external hv_iterval : hv -> he -> sv = "perl4caml_hv_iterval"
+external hv_iternextsv : hv -> string * sv = "perl4caml_hv_iternextsv"
+
+let hv_of_assoc xs =
+ let hv = hv_empty () in
+ List.iter (fun (k, v) -> hv_set hv k v) xs;
+ hv
+let assoc_of_hv hv =
+ ignore (hv_iterinit hv);
+ (* Someone please rewrite this to make it tail-rec! - Rich. XXX *)
+ let rec loop acc =
+ try
+ let k, v = hv_iternextsv hv in
+ loop ((k, v) :: acc)
+ with
+ Not_found -> acc
+ in
+ loop []
+let hv_keys hv =
+ ignore (hv_iterinit hv);
+ (* Someone please rewrite this to make it tail-rec! - Rich. XXX *)
+ let rec loop acc =
+ try
+ let he = hv_iternext hv in
+ let k = hv_iterkey he in
+ loop (k :: acc)
+ with
+ Not_found -> acc
+ in
+ loop []
+let hv_values hv =
+ ignore (hv_iterinit hv);
+ (* Someone please rewrite this to make it tail-rec! - Rich. XXX *)
+ let rec loop acc =
+ try
+ let he = hv_iternext hv in
+ let v = hv_iterval hv he in
+ loop (v :: acc)
+ with
+ Not_found -> acc
+ in
+ loop []
+
external get_sv : ?create:bool -> string -> sv = "perl4caml_get_sv"
external get_av : ?create:bool -> string -> av = "perl4caml_get_av"
external get_hv : ?create:bool -> string -> hv = "perl4caml_get_hv"