1 (* Interface to Perl from OCaml.
2 * Copyright (C) 2003 Merjis Ltd.
3 * $Id: perl.ml,v 1.7 2003-10-16 08:54:56 rich Exp $
11 exception Perl_failure of string
13 external create : ?args:string array -> unit -> t
16 (* Initialization. This must happen first, otherwise other parts of the
17 * program will segfault because of a missing interpreter.
19 external c_init : unit -> unit = "perl4caml_init"
21 Callback.register_exception "perl4caml_perl_failure" (Perl_failure "");
22 c_init (); (* Initialise C code. *)
23 (* Create the default interpreter. *)
24 create ~args:[| ""; "-w"; "-e"; "0" |] ();
27 external current_interpreter : unit -> t
28 = "perl4caml_current_interpreter"
30 external destroy : t -> unit
33 external set_context : t -> unit
34 = "perl4caml_set_context"
36 external int_of_sv : sv -> int = "perl4caml_int_of_sv"
37 external sv_of_int : int -> sv = "perl4caml_sv_of_int"
38 external float_of_sv : sv -> int = "perl4caml_float_of_sv"
39 external sv_of_float : int -> sv = "perl4caml_sv_of_float"
40 external string_of_sv : sv -> string = "perl4caml_string_of_sv"
41 external sv_of_string : string -> sv = "perl4caml_sv_of_string"
42 external sv_is_true : sv -> bool = "perl4caml_sv_is_true"
43 external sv_is_undef : sv -> bool = "perl4caml_sv_is_undef"
44 external sv_undef : unit -> sv = "perl4caml_sv_undef"
45 external sv_yes : unit -> sv = "perl4caml_sv_yes"
46 external sv_no : unit -> sv = "perl4caml_sv_no"
48 let sv_true () = sv_of_int 1
49 let sv_false () = sv_of_int 0
51 let bool_of_sv = sv_is_true
52 let sv_of_bool b = if b then sv_true () else sv_false ()
65 external sv_type : sv -> sv_t = "perl4caml_sv_type"
67 let string_of_sv_t = function
68 SVt_NULL -> "SVt_NULL"
73 | SVt_PVAV -> "SVt_PVAV"
74 | SVt_PVHV -> "SVt_PVHV"
75 | SVt_PVCV -> "SVt_PVCV"
76 | SVt_PVGV -> "SVt_PVGV"
77 | SVt_PVMG -> "SVt_PVMG"
79 external deref : sv -> sv = "perl4caml_deref"
80 external deref_array : sv -> av = "perl4caml_deref_array"
82 external av_empty : unit -> av = "perl4caml_av_empty"
83 external av_of_sv_list : sv list -> av = "perl4caml_av_of_sv_list"
84 external av_push : av -> sv -> unit = "perl4caml_av_push"
85 external av_pop : av -> sv = "perl4caml_av_pop"
86 external av_shift : av -> sv = "perl4caml_av_shift"
87 external av_unshift : av -> sv -> unit = "perl4caml_av_unshift"
88 external av_length : av -> int = "perl4caml_av_length"
89 external av_set : av -> int -> sv -> unit = "perl4caml_av_set"
90 external av_get : av -> int -> sv = "perl4caml_av_get"
91 external av_clear : av -> unit = "perl4caml_av_clear"
92 external av_undef : av -> unit = "perl4caml_av_undef"
93 external av_extend : av -> int -> unit = "perl4caml_av_extend"
97 for i = 0 to av_length av - 1 do
98 list := f (av_get av i) :: !list
102 external get_sv : ?create:bool -> string -> sv = "perl4caml_get_sv"
103 external get_av : ?create:bool -> string -> av = "perl4caml_get_av"
105 external call : ?sv:sv -> ?fn:string -> sv list -> sv
107 external call_array : ?sv:sv -> ?fn:string -> sv list -> sv list
108 = "perl4caml_call_array"
109 external call_void : ?sv:sv -> ?fn:string -> sv list -> unit
110 = "perl4caml_call_void"
112 external eval : string -> sv
115 external call_method : sv -> string -> sv list -> sv
116 = "perl4caml_call_method"
117 external call_method_array : sv -> string -> sv list -> sv list
118 = "perl4caml_call_method_array"
119 external call_method_void : sv -> string -> sv list -> unit
120 = "perl4caml_call_method_void"
121 external call_class_method : string -> string -> sv list -> sv
122 = "perl4caml_call_class_method"
123 external call_class_method_array : string -> string -> sv list -> sv list
124 = "perl4caml_call_class_method_array"
125 external call_class_method_void : string -> string -> sv list -> unit
126 = "perl4caml_call_class_method_void"