1 (* Interface to Perl from OCaml.
2 * Copyright (C) 2003 Merjis Ltd.
3 * $Id: perl.ml,v 1.11 2003-12-11 17:41:52 rich Exp $
10 exception Perl_failure of string
12 (* Initialization. This must happen first, otherwise other parts of the
13 * program will segfault because of a missing interpreter.
15 external c_init : unit -> unit = "perl4caml_init"
17 Callback.register_exception "perl4caml_perl_failure" (Perl_failure "");
18 c_init (); (* Initialise C code. *)
21 external int_of_sv : sv -> int = "perl4caml_int_of_sv"
22 external sv_of_int : int -> sv = "perl4caml_sv_of_int"
23 external float_of_sv : sv -> float = "perl4caml_float_of_sv"
24 external sv_of_float : float -> sv = "perl4caml_sv_of_float"
25 external string_of_sv : sv -> string = "perl4caml_string_of_sv"
26 external sv_of_string : string -> sv = "perl4caml_sv_of_string"
27 external sv_is_true : sv -> bool = "perl4caml_sv_is_true"
28 external sv_undef : unit -> sv = "perl4caml_sv_undef"
29 external sv_yes : unit -> sv = "perl4caml_sv_yes"
30 external sv_no : unit -> sv = "perl4caml_sv_no"
32 let sv_true () = sv_of_int 1
33 let sv_false () = sv_of_int 0
35 let bool_of_sv = sv_is_true
36 let sv_of_bool b = if b then sv_true () else sv_false ()
49 external sv_type : sv -> sv_t = "perl4caml_sv_type"
53 let string_of_sv_t = function
54 SVt_NULL -> "SVt_NULL"
59 | SVt_PVAV -> "SVt_PVAV"
60 | SVt_PVHV -> "SVt_PVHV"
61 | SVt_PVCV -> "SVt_PVCV"
62 | SVt_PVGV -> "SVt_PVGV"
63 | SVt_PVMG -> "SVt_PVMG"
65 external scalarref : sv -> sv = "perl4caml_scalarref"
66 external arrayref : av -> sv = "perl4caml_arrayref"
67 external hashref : hv -> sv = "perl4caml_hashref"
69 external deref : sv -> sv = "perl4caml_deref"
70 external deref_array : sv -> av = "perl4caml_deref_array"
71 external deref_hash : sv -> hv = "perl4caml_deref_hash"
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
95 for i = 0 to av_length av - 1 do
96 list := av_get av i :: !list
100 let av_of_string_list strs =
101 av_of_sv_list (List.map sv_of_string strs)
103 external hv_empty : unit -> hv = "perl4caml_hv_empty"
104 external hv_set : hv -> string -> sv -> unit = "perl4caml_hv_set"
105 external hv_get : hv -> string -> sv = "perl4caml_hv_get"
106 external hv_exists : hv -> string -> bool = "perl4caml_hv_exists"
107 external hv_delete : hv -> string -> unit = "perl4caml_hv_delete"
108 external hv_clear : hv -> unit = "perl4caml_hv_clear"
109 external hv_undef : hv -> unit = "perl4caml_hv_undef"
111 external get_sv : ?create:bool -> string -> sv = "perl4caml_get_sv"
112 external get_av : ?create:bool -> string -> av = "perl4caml_get_av"
113 external get_hv : ?create:bool -> string -> hv = "perl4caml_get_hv"
115 external call : ?sv:sv -> ?fn:string -> sv list -> sv
117 external call_array : ?sv:sv -> ?fn:string -> sv list -> sv list
118 = "perl4caml_call_array"
119 external call_void : ?sv:sv -> ?fn:string -> sv list -> unit
120 = "perl4caml_call_void"
122 external eval : string -> sv
125 external call_method : sv -> string -> sv list -> sv
126 = "perl4caml_call_method"
127 external call_method_array : sv -> string -> sv list -> sv list
128 = "perl4caml_call_method_array"
129 external call_method_void : sv -> string -> sv list -> unit
130 = "perl4caml_call_method_void"
131 external call_class_method : string -> string -> sv list -> sv
132 = "perl4caml_call_class_method"
133 external call_class_method_array : string -> string -> sv list -> sv list
134 = "perl4caml_call_class_method_array"
135 external call_class_method_void : string -> string -> sv list -> unit
136 = "perl4caml_call_class_method_void"