*
* Copyright (C) 2003 Merjis Ltd.
*
- * $Id: perl.mli,v 1.6 2003-10-15 16:51:12 rich Exp $
+ * $Id: perl.mli,v 1.7 2003-10-16 08:54:56 rich Exp $
*)
type t
exception Perl_failure of string
(** [die] in Perl code is translated automatically into this exception. *)
-external current_interpreter : unit -> t
- = "perl4caml_current_interpreter"
+val current_interpreter : unit -> t
(** The [Perl] module has a notion of the "current" interpreter. Throws
* [Not_found] if there is no current interpreter.
*
* by calling {!Perl.destroy} followed by {!Perl.create}.
*)
-external destroy : t -> unit
- = "perl4caml_destroy"
+val destroy : t -> unit
(** Destroy the Perl interpreter, performing any necessary cleanup.
*
* You should call [Perl.destroy (Perl.current_interpreter ())] at
* {!Perl.current_interpreter}.
*)
-external create : ?args:string array -> unit -> t
- = "perl4caml_create"
+val create : ?args:string array -> unit -> t
(** Create a new Perl interpreter. (Note that a Perl interpreter is created
* for you by default so you don't need to call this).
*
* The newly created interpreter is set as the "current interpreter".
*)
-external set_context : t -> unit
- = "perl4caml_set_context"
+val set_context : t -> unit
(** IF Perl was compiled with [-Dusemultiplicity] and IF you are using
* multiple interpreters at the same time, then you must call this to
* set the implied "current" interpreter.
* Most users will never need to call this function.
*)
-external int_of_sv : sv -> int = "perl4caml_int_of_sv"
+val int_of_sv : sv -> int
(** Convert a Perl [SV] into an integer. Note that OCaml [int]s aren't
* large enough to store the full 32 (or 64) bits from a Perl integer,
* so you may get a silent overflow.
*)
-external sv_of_int : int -> sv = "perl4caml_sv_of_int"
+val sv_of_int : int -> sv
(** Convert an [int] into a Perl [SV]. *)
-external float_of_sv : sv -> int = "perl4caml_float_of_sv"
+val float_of_sv : sv -> int
(** Convert a Perl [SV] into a float. *)
-external sv_of_float : int -> sv = "perl4caml_sv_of_float"
+val sv_of_float : int -> sv
(** Convert a [float] into a Perl [SV]. *)
-external string_of_sv : sv -> string = "perl4caml_string_of_sv"
+val string_of_sv : sv -> string
(** Convert a Perl [SV] into a string. *)
-external sv_of_string : string -> sv = "perl4caml_sv_of_string"
+val sv_of_string : string -> sv
(** Convert a [string] into a Perl [SV]. *)
val bool_of_sv : sv -> bool
(** Convert an [SV] into a boolean. *)
val sv_of_bool : bool -> sv
(** Convert a boolean into an [SV]. *)
-external sv_is_true : sv -> bool = "perl4caml_sv_is_true"
+val sv_is_true : sv -> bool
(** Return [true] if the [SV] is "true" (in the Perl sense of truth). *)
-external sv_is_undef : sv -> bool = "perl4caml_sv_is_undef"
+val sv_is_undef : sv -> bool
(** Return [true] if the [SV] is undefined (is [undef]). *)
-external sv_undef : unit -> sv = "perl4caml_sv_undef"
+val sv_undef : unit -> sv
(** Returns [undef]. *)
val sv_true : unit -> sv
(** Returns an [SV] which is true. *)
val sv_false : unit -> sv
(** Returns an [SV] which is false. *)
-external sv_yes : unit -> sv = "perl4caml_sv_yes"
+val sv_yes : unit -> sv
(** Returns Perl's internal [PL_sv_yes]. (There are some unresolved issues
* with using this, so use {!sv_true} instead). *)
-external sv_no : unit -> sv = "perl4caml_sv_no"
+val sv_no : unit -> sv
(** Returns Perl's internal [PL_sv_no]. (There are some unresolved issues
* with using this, so use {!sv_false} instead). *)
| SVt_PVCV (** Code ref. *)
| SVt_PVGV (** Glob. *)
| SVt_PVMG (** Blessed or magical scalar. *)
-external sv_type : sv -> sv_t = "perl4caml_sv_type"
+val sv_type : sv -> sv_t
(** Return the type of data contained in an [SV]. Somewhat equivalent to
* calling Perl's [ref] function.
*)
val string_of_sv_t : sv_t -> string
(** Return a printable string for an [sv_t] ([SV] type). *)
-external deref : sv -> sv = "perl4caml_deref"
+val deref : sv -> sv
(** The input is a reference to a scalar. This returns the underlying
* scalar [SV]. If the input is not a reference to a scalar, throws
* [Invalid_arg].
*)
-external deref_array : sv -> av = "perl4caml_deref_array"
+val deref_array : sv -> av
(** The input is a reference to an array. This returns the underlying
* array [AV]. If the input is not a reference to an array, throws
* [Invalid_arg].
*)
(*
-external deref_hash : sv -> hv = "perl4caml_deref_hash"
+val deref_hash : sv -> hv
(** The input is a reference to a hash. This returns the underlying
* hash [HV]. If the input is not a reference to a hash, throws
* [Invalid_arg].
*)
*)
-external av_empty : unit -> av = "perl4caml_av_empty"
+val av_empty : unit -> av
(** Create an empty [AV] (array). *)
-external av_of_sv_list : sv list -> av = "perl4caml_av_of_sv_list"
+val av_of_sv_list : sv list -> av
(** Create an array from a list of [SVs]. *)
-external av_push : av -> sv -> unit = "perl4caml_av_push"
+val av_push : av -> sv -> unit
(** Append the [SV] to the end of the array. Same as Perl [push @av, $sv]. *)
-external av_pop : av -> sv = "perl4caml_av_pop"
+val av_pop : av -> sv
(** Remove the [SV] at the end of the array and return it. Same as
* Perl [$sv = pop @av]. *)
-external av_shift : av -> sv = "perl4caml_av_shift"
+val av_shift : av -> sv
(** Remove the [SV] at the beginning of the array and return it. Same as
* Perl [$sv = shift @av]. *)
-external av_unshift : av -> sv -> unit = "perl4caml_av_unshift"
+val av_unshift : av -> sv -> unit
(** Prepend the [SV] to the start of the array. Same as Perl
* [unshift @av, $sv]. *)
-external av_length : av -> int = "perl4caml_av_length"
+val av_length : av -> int
(** Return the length of the [AV]. *)
-external av_set : av -> int -> sv -> unit = "perl4caml_av_set"
+val av_set : av -> int -> sv -> unit
(** Replace the i'th element of the [AV] with [SV]. *)
-external av_get : av -> int -> sv = "perl4caml_av_get"
+val av_get : av -> int -> sv
(** Get the i'th element of the [AV]. *)
-external av_clear : av -> unit = "perl4caml_av_clear"
+val av_clear : av -> unit
(** Remove all elements from the [AV]. Same as Perl [@av = ()]. *)
-external av_undef : av -> unit = "perl4caml_av_undef"
+val av_undef : av -> unit
(** Delete the [AV] (and all elements in it). Same as Perl [undef @av]. *)
-external av_extend : av -> int -> unit = "perl4caml_av_extend"
+val av_extend : av -> int -> unit
(** Extend the [AV] so it contains at least [n+1] elements. *)
val av_map : (sv -> 'a) -> av -> 'a list
(** Map a function over the elements in the [AV], return a list of the
* results. *)
-external get_sv : ?create:bool -> string -> sv = "perl4caml_get_sv"
+val get_sv : ?create:bool -> string -> sv
(** Return a scalar value by name. For example, if you have a symbol
* called [$a] in Perl, then [get_sv "a"] will return its value.
*
* not exist, then Perl will create the symbol (with value [undef]) and
* this function will return the [SV] for [undef].
*)
-external get_av : ?create:bool -> string -> av = "perl4caml_get_av"
+val get_av : ?create:bool -> string -> av
(** Same as {!get_sv} except will return and/or create [@a]. *)
-external call : ?sv:sv -> ?fn:string -> sv list -> sv
- = "perl4caml_call"
+val call : ?sv:sv -> ?fn:string -> sv list -> sv
(** Call a Perl function in a scalar context, either by name (using the [?fn]
* parameter) or by calling a string/CODEREF (using the [?sv] parameter).
*
* If the Perl code calls [die] then this will throw [Perl_failure].
*)
-external call_array : ?sv:sv -> ?fn:string -> sv list -> sv list
- = "perl4caml_call_array"
+val call_array : ?sv:sv -> ?fn:string -> sv list -> sv list
(** Call a Perl function in an array context, either by name (using the [?fn]
* parameter) or by calling a string/CODEREF (using the [?sv] parameter).
*
* If the Perl code calls [die] then this will throw [Perl_failure].
*)
-external call_void : ?sv:sv -> ?fn:string -> sv list -> unit
- = "perl4caml_call_void"
+val call_void : ?sv:sv -> ?fn:string -> sv list -> unit
(** Call a Perl function in a void context, either by name (using the [?fn]
* parameter) or by calling a string/CODEREF (using the [?sv] parameter).
*
* If the Perl code calls [die] then this will throw [Perl_failure].
*)
-external eval : string -> sv
- = "perl4caml_eval"
+val eval : string -> sv
(** This is exactly like the Perl [eval] command. It evaluates a piece of
* Perl code (in scalar context) and returns the result (a Perl [SV]).
*)
-external call_method : sv -> string -> sv list -> sv
- = "perl4caml_call_method"
+val call_method : sv -> string -> sv list -> sv
(** [call_method obj name [parameters]] calls the method [name] on the Perl
* object [obj] with the given parameters, in a scalar context. Thus this
* is equivalent to [$obj->name (parameters)].
* If the method calls [die] then this will throw [Perl_failure].
*)
-external call_method_array : sv -> string -> sv list -> sv list
- = "perl4caml_call_method_array"
+val call_method_array : sv -> string -> sv list -> sv list
(** Like [call_method], but the method is called in an array context. *)
-external call_method_void : sv -> string -> sv list -> unit
- = "perl4caml_call_method_void"
+val call_method_void : sv -> string -> sv list -> unit
(** Like [call_method], but the method is called in a void context (results
* are discarded). *)
-external call_class_method : string -> string -> sv list -> sv
- = "perl4caml_call_class_method"
+val call_class_method : string -> string -> sv list -> sv
(** [call_class_method classname name [parameters]] calls the static method
* [name] in the Perl class [classname] with the given parameters, in a
* scalar context. Thus this is equivalent to [$classname->name (parameters)].
* If the static method calls [die] then this will throw [Perl_failure].
*)
-external call_class_method_array : string -> string -> sv list -> sv list
- = "perl4caml_call_class_method_array"
+val call_class_method_array : string -> string -> sv list -> sv list
(** Like [call_class_method], but the method is called in an array context. *)
-external call_class_method_void : string -> string -> sv list -> unit
- = "perl4caml_call_class_method_void"
+val call_class_method_void : string -> string -> sv list -> unit
(** Like [call_class_method], but the method is called in a void context. *)
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