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|
(***********************************************************************)
(* *)
(* OCamlJava: Objective Caml / Java interface *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 2001 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the GNU Library General Public License. *)
(* *)
(***********************************************************************)
(* $Id: jni.mlp,v 1.4 2005-10-21 08:19:11 xleroy Exp $ *)
(* Low-level Java interface (JNI level) *)
external set_debug: bool -> unit = "camljava_set_debug"
external set_string_auto_conv: bool -> unit = "camljava_set_strconv"
external init: string -> unit = "camljava_Init"
external shutdown: unit -> unit = "camljava_Shutdown"
let _ =
let libpath = "%PATH%" in
let sep =
match Sys.os_type with
"Unix" -> ":"
| "Win32" -> ";"
| _ -> assert false in
let path =
try
Sys.getenv "CLASSPATH" ^ sep ^ libpath
with Not_found ->
libpath in
init path;
at_exit shutdown
type obj
external get_null: unit -> obj = "camljava_GetNull"
let null = get_null()
exception Null_pointer
let _ = Callback.register_exception "camljava_null_pointer" Null_pointer
exception Exception of obj
let _ = Callback.register "camljava_raise_exception"
(fun obj -> raise (Exception obj))
external register_natives: unit -> unit = "camljava_RegisterNatives"
let _ = register_natives()
let _ = Callback.register "Oo.new_method" Oo.new_method
(* String operations *)
external string_to_java: string -> obj = "camljava_MakeJavaString"
external string_from_java: obj -> string = "camljava_ExtractJavaString"
let null_string = ""
let is_null_string s = s == null_string
external register_null_string: string -> unit = "camljava_RegisterNullString"
let _ = register_null_string null_string
(* Class operations *)
type clazz
(* The type of class identifiers *)
external find_class: string -> clazz
= "camljava_FindClass"
external get_superclass: clazz -> clazz
= "camljava_GetSuperclass"
external is_assignable_from: clazz -> clazz -> bool
= "camljava_IsAssignableFrom"
(* Field and method identifiers *)
type fieldID
type methodID
external get_fieldID: clazz -> string -> string -> fieldID
= "camljava_GetFieldID"
external get_static_fieldID: clazz -> string -> string -> fieldID
= "camljava_GetStaticFieldID"
external get_methodID: clazz -> string -> string -> methodID
= "camljava_GetMethodID"
external get_static_methodID: clazz -> string -> string -> methodID
= "camljava_GetStaticMethodID"
(* Field access *)
external get_object_field: obj -> fieldID -> obj
= "camljava_GetObjectField"
external get_boolean_field: obj -> fieldID -> bool
= "camljava_GetBooleanField"
external get_byte_field: obj -> fieldID -> int
= "camljava_GetByteField"
external get_char_field: obj -> fieldID -> int
= "camljava_GetCharField"
external get_short_field: obj -> fieldID -> int
= "camljava_GetShortField"
external get_int_field: obj -> fieldID -> int32
= "camljava_GetIntField"
external get_camlint_field: obj -> fieldID -> int
= "camljava_GetCamlintField"
external get_long_field: obj -> fieldID -> int64
= "camljava_GetLongField"
external get_float_field: obj -> fieldID -> float
= "camljava_GetFloatField"
external get_double_field: obj -> fieldID -> float
= "camljava_GetDoubleField"
external set_object_field: obj -> fieldID -> obj -> unit
= "camljava_SetObjectField"
external set_boolean_field: obj -> fieldID -> bool -> unit
= "camljava_SetBooleanField"
external set_byte_field: obj -> fieldID -> int -> unit
= "camljava_SetByteField"
external set_char_field: obj -> fieldID -> int -> unit
= "camljava_SetCharField"
external set_short_field: obj -> fieldID -> int -> unit
= "camljava_SetShortField"
external set_int_field: obj -> fieldID -> int32 -> unit
= "camljava_SetIntField"
external set_camlint_field: obj -> fieldID -> int -> unit
= "camljava_SetCamlintField"
external set_long_field: obj -> fieldID -> int64 -> unit
= "camljava_SetLongField"
external set_float_field: obj -> fieldID -> float -> unit
= "camljava_SetFloatField"
external set_double_field: obj -> fieldID -> float -> unit
= "camljava_SetDoubleField"
external get_static_object_field: clazz -> fieldID -> obj
= "camljava_GetStaticObjectField"
external get_static_boolean_field: clazz -> fieldID -> bool
= "camljava_GetStaticBooleanField"
external get_static_byte_field: clazz -> fieldID -> int
= "camljava_GetStaticByteField"
external get_static_char_field: clazz -> fieldID -> int
= "camljava_GetStaticCharField"
external get_static_short_field: clazz -> fieldID -> int
= "camljava_GetStaticShortField"
external get_static_int_field: clazz -> fieldID -> int32
= "camljava_GetStaticIntField"
external get_static_camlint_field: clazz -> fieldID -> int
= "camljava_GetStaticCamlintField"
external get_static_long_field: clazz -> fieldID -> int64
= "camljava_GetStaticLongField"
external get_static_float_field: clazz -> fieldID -> float
= "camljava_GetStaticFloatField"
external get_static_double_field: clazz -> fieldID -> float
= "camljava_GetStaticDoubleField"
external set_static_obj_field: clazz -> fieldID -> obj -> unit
= "camljava_SetStaticObjectField"
external set_static_boolean_field: clazz -> fieldID -> bool -> unit
= "camljava_SetStaticBooleanField"
external set_static_byte_field: clazz -> fieldID -> int -> unit
= "camljava_SetStaticByteField"
external set_static_char_field: clazz -> fieldID -> int -> unit
= "camljava_SetStaticCharField"
external set_static_short_field: clazz -> fieldID -> int -> unit
= "camljava_SetStaticShortField"
external set_static_int_field: clazz -> fieldID -> int32 -> unit
= "camljava_SetStaticIntField"
external set_static_camlint_field: clazz -> fieldID -> int -> unit
= "camljava_SetStaticCamlintField"
external set_static_long_field: clazz -> fieldID -> int64 -> unit
= "camljava_SetStaticLongField"
external set_static_float_field: clazz -> fieldID -> float -> unit
= "camljava_SetStaticFloatField"
external set_static_double_field: clazz -> fieldID -> float -> unit
= "camljava_SetStaticDoubleField"
type argument =
Boolean of bool
| Byte of int
| Char of int
| Short of int
| Camlint of int
| Int of int32
| Long of int64
| Float of float
| Double of float
| Obj of obj
external call_object_method: obj -> methodID -> argument array -> obj
= "camljava_CallObjectMethod"
external call_boolean_method: obj -> methodID -> argument array -> bool
= "camljava_CallBooleanMethod"
external call_byte_method: obj -> methodID -> argument array -> int
= "camljava_CallByteMethod"
external call_char_method: obj -> methodID -> argument array -> int
= "camljava_CallCharMethod"
external call_short_method: obj -> methodID -> argument array -> int
= "camljava_CallShortMethod"
external call_int_method: obj -> methodID -> argument array -> int32
= "camljava_CallIntMethod"
external call_camlint_method: obj -> methodID -> argument array -> int
= "camljava_CallCamlintMethod"
external call_long_method: obj -> methodID -> argument array -> int64
= "camljava_CallLongMethod"
external call_float_method: obj -> methodID -> argument array -> float
= "camljava_CallFloatMethod"
external call_double_method: obj -> methodID -> argument array -> float
= "camljava_CallDoubleMethod"
external call_void_method: obj -> methodID -> argument array -> unit
= "camljava_CallVoidMethod"
external call_static_object_method:
clazz -> methodID -> argument array -> obj
= "camljava_CallStaticObjectMethod"
external call_static_boolean_method:
clazz -> methodID -> argument array -> bool
= "camljava_CallStaticBooleanMethod"
external call_static_byte_method:
clazz -> methodID -> argument array -> int
= "camljava_CallStaticByteMethod"
external call_static_char_method:
clazz -> methodID -> argument array -> int
= "camljava_CallStaticCharMethod"
external call_static_short_method:
clazz -> methodID -> argument array -> int
= "camljava_CallStaticShortMethod"
external call_static_int_method:
clazz -> methodID -> argument array -> int32
= "camljava_CallStaticIntMethod"
external call_static_camlint_method:
clazz -> methodID -> argument array -> int
= "camljava_CallStaticCamlintMethod"
external call_static_long_method:
clazz -> methodID -> argument array -> int64
= "camljava_CallStaticLongMethod"
external call_static_float_method:
clazz -> methodID -> argument array -> float
= "camljava_CallStaticFloatMethod"
external call_static_double_method:
clazz -> methodID -> argument array -> float
= "camljava_CallStaticDoubleMethod"
external call_static_void_method:
clazz -> methodID -> argument array -> unit
= "camljava_CallStaticVoidMethod"
external call_nonvirtual_object_method:
obj -> clazz -> methodID -> argument array -> obj
= "camljava_CallNonvirtualObjectMethod"
external call_nonvirtual_boolean_method:
obj -> clazz -> methodID -> argument array -> bool
= "camljava_CallNonvirtualBooleanMethod"
external call_nonvirtual_byte_method:
obj -> clazz -> methodID -> argument array -> int
= "camljava_CallNonvirtualByteMethod"
external call_nonvirtual_char_method:
obj -> clazz -> methodID -> argument array -> int
= "camljava_CallNonvirtualCharMethod"
external call_nonvirtual_short_method:
obj -> clazz -> methodID -> argument array -> int
= "camljava_CallNonvirtualShortMethod"
external call_nonvirtual_int_method:
obj -> clazz -> methodID -> argument array -> int32
= "camljava_CallNonvirtualIntMethod"
external call_nonvirtual_camlint_method:
obj -> clazz -> methodID -> argument array -> int
= "camljava_CallNonvirtualCamlintMethod"
external call_nonvirtual_long_method:
obj -> clazz -> methodID -> argument array -> int64
= "camljava_CallNonvirtualLongMethod"
external call_nonvirtual_float_method:
obj -> clazz -> methodID -> argument array -> float
= "camljava_CallNonvirtualFloatMethod"
external call_nonvirtual_double_method:
obj -> clazz -> methodID -> argument array -> float
= "camljava_CallNonvirtualDoubleMethod"
external call_nonvirtual_void_method:
obj -> clazz -> methodID -> argument array -> unit
= "camljava_CallNonvirtualVoidMethod"
(* Arrays *)
external get_array_length: obj -> int = "camljava_GetArrayLength"
external new_object_array: int -> clazz -> obj
= "camljava_NewObjectArray"
external get_object_array_element: obj -> int -> obj
= "camljava_GetObjectArrayElement"
external set_object_array_element: obj -> int -> obj -> unit
= "camljava_SetObjectArrayElement"
external new_boolean_array: int -> obj
= "camljava_NewBooleanArray"
external get_boolean_array_element: obj -> int -> bool
= "camljava_GetBooleanArrayElement"
external set_boolean_array_element: obj -> int -> bool -> unit
= "camljava_SetBooleanArrayElement"
external new_byte_array: int -> obj
= "camljava_NewByteArray"
external get_byte_array_element: obj -> int -> int
= "camljava_GetByteArrayElement"
external set_byte_array_element: obj -> int -> int -> unit
= "camljava_SetByteArrayElement"
external get_byte_array_region: obj -> int -> string -> int -> int -> unit
= "camljava_GetByteArrayRegion"
external set_byte_array_region: string -> int -> obj -> int -> int -> unit
= "camljava_SetByteArrayRegion"
external new_char_array: int -> obj
= "camljava_NewCharArray"
external get_char_array_element: obj -> int -> int
= "camljava_GetCharArrayElement"
external set_char_array_element: obj -> int -> int -> unit
= "camljava_SetCharArrayElement"
external new_short_array: int -> obj
= "camljava_NewShortArray"
external get_short_array_element: obj -> int -> int
= "camljava_GetShortArrayElement"
external set_short_array_element: obj -> int -> int -> unit
= "camljava_SetShortArrayElement"
external new_int_array: int -> obj
= "camljava_NewIntArray"
external get_int_array_element: obj -> int -> int32
= "camljava_GetIntArrayElement"
external set_int_array_element: obj -> int -> int32 -> unit
= "camljava_SetIntArrayElement"
external get_camlint_array_element: obj -> int -> int
= "camljava_GetCamlintArrayElement"
external set_camlint_array_element: obj -> int -> int -> unit
= "camljava_SetCamlintArrayElement"
external new_long_array: int -> obj
= "camljava_NewLongArray"
external get_long_array_element: obj -> int -> int64
= "camljava_GetLongArrayElement"
external set_long_array_element: obj -> int -> int64 -> unit
= "camljava_SetLongArrayElement"
external new_float_array: int -> obj
= "camljava_NewFloatArray"
external get_float_array_element: obj -> int -> float
= "camljava_GetFloatArrayElement"
external set_float_array_element: obj -> int -> float -> unit
= "camljava_SetFloatArrayElement"
external new_double_array: int -> obj
= "camljava_NewDoubleArray"
external get_double_array_element: obj -> int -> float
= "camljava_GetDoubleArrayElement"
external set_double_array_element: obj -> int -> float -> unit
= "camljava_SetDoubleArrayElement"
(* Object operations *)
external is_null: obj -> bool = "camljava_IsNull"
external alloc_object: clazz -> obj = "camljava_AllocObject"
external get_object_class: obj -> clazz = "camljava_GetObjectClass"
external is_instance_of: obj -> clazz -> bool = "camljava_IsInstanceOf"
external is_same_object: obj -> obj -> bool = "camljava_IsSameObject"
(* Auxiliaries for Java->OCaml callbacks *)
external wrap_caml_object : < .. > -> int64 = "camljava_WrapCamlObject"
let callback_class =
find_class "fr/inria/caml/camljava/Callback"
let callback_init =
get_methodID callback_class "<init>" "(J)V"
let wrap_object camlobj =
let javaobj = alloc_object callback_class in
call_nonvirtual_void_method javaobj callback_class callback_init
[|Long (wrap_caml_object camlobj)|];
javaobj
|
