1 (* Interface to Perl from OCaml.
2 * Copyright (C) 2003 Merjis Ltd.
3 * $Id: perl.ml,v 1.5 2003-10-14 16:05:21 rich Exp $
11 exception Perl_failure of string
13 external c_init : unit -> unit = "perl4caml_init"
15 Callback.register_exception "perl4caml_perl_failure" (Perl_failure "");
16 c_init () (* Initialise C code. *)
18 external destroy : unit -> unit
21 external create : ?args:string array -> unit -> t
24 external set_context : t -> unit
25 = "perl4caml_set_context"
27 external int_of_sv : sv -> int = "perl4caml_int_of_sv"
28 external sv_of_int : int -> sv = "perl4caml_sv_of_int"
29 external float_of_sv : sv -> int = "perl4caml_float_of_sv"
30 external sv_of_float : int -> sv = "perl4caml_sv_of_float"
31 external string_of_sv : sv -> string = "perl4caml_string_of_sv"
32 external sv_of_string : string -> sv = "perl4caml_sv_of_string"
33 external sv_is_true : sv -> bool = "perl4caml_sv_is_true"
34 external sv_is_undef : sv -> bool = "perl4caml_sv_is_undef"
35 external sv_undef : unit -> sv = "perl4caml_sv_undef"
36 external sv_yes : unit -> sv = "perl4caml_sv_yes"
37 external sv_no : unit -> sv = "perl4caml_sv_no"
39 let sv_true () = sv_of_int 1
40 let sv_false () = sv_of_int 0
42 let bool_of_sv = sv_is_true
43 let sv_of_bool b = if b then sv_true () else sv_false ()
56 external sv_type : sv -> sv_t = "perl4caml_sv_type"
58 let string_of_sv_t = function
59 SVt_NULL -> "SVt_NULL"
64 | SVt_PVAV -> "SVt_PVAV"
65 | SVt_PVHV -> "SVt_PVHV"
66 | SVt_PVCV -> "SVt_PVCV"
67 | SVt_PVGV -> "SVt_PVGV"
68 | SVt_PVMG -> "SVt_PVMG"
70 external deref : sv -> sv = "perl4caml_deref"
71 external deref_array : sv -> av = "perl4caml_deref_array"
73 external av_empty : unit -> av = "perl4caml_av_empty"
74 external av_of_sv_list : sv list -> av = "perl4caml_av_of_sv_list"
75 external av_push : av -> sv -> unit = "perl4caml_av_push"
76 external av_pop : av -> sv = "perl4caml_av_pop"
77 external av_shift : av -> sv = "perl4caml_av_shift"
78 external av_unshift : av -> sv -> unit = "perl4caml_av_unshift"
79 external av_length : av -> int = "perl4caml_av_length"
80 external av_set : av -> int -> sv -> unit = "perl4caml_av_set"
81 external av_get : av -> int -> sv = "perl4caml_av_get"
82 external av_clear : av -> unit = "perl4caml_av_clear"
83 external av_undef : av -> unit = "perl4caml_av_undef"
84 external av_extend : av -> int -> unit = "perl4caml_av_extend"
88 for i = 0 to av_length av - 1 do
89 list := f (av_get av i) :: !list
93 external get_sv : ?create:bool -> string -> sv = "perl4caml_get_sv"
94 external get_av : ?create:bool -> string -> av = "perl4caml_get_av"
96 external call : ?sv:sv -> ?fn:string -> sv list -> sv
98 external call_array : ?sv:sv -> ?fn:string -> sv list -> sv list
99 = "perl4caml_call_array"
100 external call_void : ?sv:sv -> ?fn:string -> sv list -> unit
101 = "perl4caml_call_void"
103 external eval : string -> sv
106 external call_method : sv -> string -> sv list -> sv
107 = "perl4caml_call_method"
108 external call_method_array : sv -> string -> sv list -> sv list
109 = "perl4caml_call_method_array"
110 external call_method_void : sv -> string -> sv list -> unit
111 = "perl4caml_call_method_void"
112 external call_class_method : string -> string -> sv list -> sv
113 = "perl4caml_call_class_method"
114 external call_class_method_array : string -> string -> sv list -> sv list
115 = "perl4caml_call_class_method_array"
116 external call_class_method_void : string -> string -> sv list -> unit
117 = "perl4caml_call_class_method_void"