(* Interface to Perl from OCaml.
- * Copyright (C) 2003 Merjis Ltd.
- * $Id: perl.ml,v 1.9 2003-10-26 11:22:38 rich Exp $
- *)
-type t
+ Copyright (C) 2003 Merjis Ltd.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this library; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ $Id: perl.ml,v 1.16 2008-03-01 13:02:21 rich Exp $
+ *)
type sv
type av
exception Perl_failure of string
-external create : ?args:string array -> unit -> t
- = "perl4caml_create"
-
(* Initialization. This must happen first, otherwise other parts of the
* program will segfault because of a missing interpreter.
*)
let () =
Callback.register_exception "perl4caml_perl_failure" (Perl_failure "");
c_init (); (* Initialise C code. *)
- (* Create the default interpreter. *)
- create ~args:[| ""; "-w"; "-e"; "0" |] ();
()
-external current_interpreter : unit -> t
- = "perl4caml_current_interpreter"
-
-external destroy : t -> unit
- = "perl4caml_destroy"
-
-external set_context : t -> unit
- = "perl4caml_set_context"
-
external int_of_sv : sv -> int = "perl4caml_int_of_sv"
external sv_of_int : int -> sv = "perl4caml_sv_of_int"
external float_of_sv : sv -> float = "perl4caml_float_of_sv"
external string_of_sv : sv -> string = "perl4caml_string_of_sv"
external sv_of_string : string -> sv = "perl4caml_sv_of_string"
external sv_is_true : sv -> bool = "perl4caml_sv_is_true"
-external sv_is_undef : sv -> bool = "perl4caml_sv_is_undef"
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_PVGV -> "SVt_PVGV"
| SVt_PVMG -> "SVt_PVMG"
+external reftype : sv -> sv_t = "perl4caml_reftype"
+
+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"