Undef, true, false SVs.

[perl4caml.git] / perl.ml

diff --git a/perl.ml b/perl.ml
index b31466b..b8c1012 100644 (file)
--- a/perl.ml
+++ b/perl.ml
@@ -1,17 +1,18 @@
 (* Interface to Perl from OCaml.
  * Copyright (C) 2003 Merjis Ltd.
- * $Id: perl.ml,v 1.1 2003-10-11 18:25:52 rich Exp $
+ * $Id: perl.ml,v 1.3 2003-10-12 11:56:26 rich Exp $
  *)
 
 type t
 
 type sv
 
-exception PerlFailure of string
+exception Perl_failure of string
 
-(* Perform some once-only initialization when the library is loaded. *)
 external init : unit -> unit = "perl4caml_init"
-let () = init ()
+let () =
+  Callback.register_exception "perl4caml_perl_failure" (Perl_failure "");
+  init ()                              (* Initialise C code. *)
 
 external create : ?args:string array -> unit -> t
   = "perl4caml_create"
@@ -28,17 +29,37 @@ external float_of_sv : sv -> int = "perl4caml_float_of_sv"
 external sv_of_float : int -> sv = "perl4caml_sv_of_float"
 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_get_undef : unit -> sv = "perl4caml_sv_get_undef"
+external sv_get_yes : unit -> sv = "perl4caml_sv_get_yes"
+external sv_get_no : unit -> sv = "perl4caml_sv_get_no"
 
-external call_scalar : string -> sv list -> sv
-  = "perl4caml_call_scalar"
+let sv_undef = sv_get_undef ()
+let sv_true = sv_get_yes ()
+let sv_false = sv_get_no ()
 
-(*
-external call_array : string -> sv list -> sv list
-  = "perl4caml_call_array"
+external get_sv : ?create:bool -> string -> sv = "perl4caml_get_sv"
 
-external call : string -> sv list -> unit
+external call : ?sv:sv -> ?fn:string -> sv list -> sv
   = "perl4caml_call"
+external call_array : ?sv:sv -> ?fn:string -> sv list -> sv list
+  = "perl4caml_call_array"
+external call_void : ?sv:sv -> ?fn:string -> sv list -> unit
+  = "perl4caml_call_void"
 
 external eval : string -> sv
   = "perl4caml_eval"
-*)
+
+external call_method : sv -> string -> sv list -> sv
+  = "perl4caml_call_method"
+external call_method_array : sv -> string -> sv list -> sv list
+  = "perl4caml_call_method_array"
+external call_method_void : sv -> string -> sv list -> unit
+  = "perl4caml_call_method_void"
+external call_class_method : string -> string -> sv list -> sv
+  = "perl4caml_call_class_method"
+external call_class_method_array : string -> string -> sv list -> sv list
+  = "perl4caml_call_class_method_array"
+external call_class_method_void : string -> string -> sv list -> unit
+  = "perl4caml_call_class_method_void"