summaryrefslogtreecommitdiffstats
path: root/stdlib/camlinternalOO.mli
blob: f02b02036061faeddec433ca8e1f1c458ff05a0e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
(***********************************************************************)
(*                                                                     *)
(*                                OCaml                                *)
(*                                                                     *)
(*         Jerome Vouillon, projet Cristal, INRIA Rocquencourt         *)
(*                                                                     *)
(*  Copyright 1996 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, with    *)
(*  the special exception on linking described in file ../LICENSE.     *)
(*                                                                     *)
(***********************************************************************)

(* $Id$ *)

(** Run-time support for objects and classes.
    All functions in this module are for system use only, not for the
    casual user. *)

(** {6 Classes} *)

type tag
type label
type table
type meth
type t
type obj
type closure
val public_method_label : string -> tag
val new_method : table -> label
val new_variable : table -> string -> int
val new_methods_variables :
    table -> string array -> string array -> label array
val get_variable : table -> string -> int
val get_variables : table -> string array -> int array
val get_method_label : table -> string -> label
val get_method_labels : table -> string array -> label array
val get_method : table -> label -> meth
val set_method : table -> label -> meth -> unit
val set_methods : table -> label array -> unit
val narrow : table -> string array -> string array -> string array -> unit
val widen : table -> unit
val add_initializer : table -> (obj -> unit) -> unit
val dummy_table : table
val create_table : string array -> table
val init_class : table -> unit
val inherits :
    table -> string array -> string array -> string array ->
    (t * (table -> obj -> Obj.t) * t * obj) -> bool -> Obj.t array
val make_class :
    string array -> (table -> Obj.t -> t) ->
    (t * (table -> Obj.t -> t) * (Obj.t -> t) * Obj.t)
type init_table
val make_class_store :
    string array -> (table -> t) -> init_table -> unit
val dummy_class :
    string * int * int ->
    (t * (table -> Obj.t -> t) * (Obj.t -> t) * Obj.t)

(** {6 Objects} *)

val copy : (< .. > as 'a) -> 'a
val create_object : table -> obj
val create_object_opt : obj -> table -> obj
val run_initializers : obj -> table -> unit
val run_initializers_opt : obj -> obj -> table -> obj
val create_object_and_run_initializers : obj -> table -> obj
external send : obj -> tag -> t = "%send"
external sendcache : obj -> tag -> t -> int -> t = "%sendcache"
external sendself : obj -> label -> t = "%sendself"
external get_public_method : obj -> tag -> closure
    = "caml_get_public_method" "noalloc"

(** {6 Table cache} *)

type tables
val lookup_tables : tables -> closure array -> tables

(** {6 Builtins to reduce code size} *)

(*
val get_const : t -> closure
val get_var : int -> closure
val get_env : int -> int -> closure
val get_meth : label -> closure
val set_var : int -> closure
val app_const : (t -> t) -> t -> closure
val app_var : (t -> t) -> int -> closure
val app_env : (t -> t) -> int -> int -> closure
val app_meth : (t -> t) -> label -> closure
val app_const_const : (t -> t -> t) -> t -> t -> closure
val app_const_var : (t -> t -> t) -> t -> int -> closure
val app_const_env : (t -> t -> t) -> t -> int -> int -> closure
val app_const_meth : (t -> t -> t) -> t -> label -> closure
val app_var_const : (t -> t -> t) -> int -> t -> closure
val app_env_const : (t -> t -> t) -> int -> int -> t -> closure
val app_meth_const : (t -> t -> t) -> label -> t -> closure
val meth_app_const : label -> t -> closure
val meth_app_var : label -> int -> closure
val meth_app_env : label -> int -> int -> closure
val meth_app_meth : label -> label -> closure
val send_const : tag -> obj -> int -> closure
val send_var : tag -> int -> int -> closure
val send_env : tag -> int -> int -> int -> closure
val send_meth : tag -> label -> int -> closure
*)

type impl =
    GetConst
  | GetVar
  | GetEnv
  | GetMeth
  | SetVar
  | AppConst
  | AppVar
  | AppEnv
  | AppMeth
  | AppConstConst
  | AppConstVar
  | AppConstEnv
  | AppConstMeth
  | AppVarConst
  | AppEnvConst
  | AppMethConst
  | MethAppConst
  | MethAppVar
  | MethAppEnv
  | MethAppMeth
  | SendConst
  | SendVar
  | SendEnv
  | SendMeth
  | Closure of closure

(** {6 Parameters} *)

(* currently disabled *)
type params =
  { mutable compact_table : bool;
    mutable copy_parent : bool;
    mutable clean_when_copying : bool;
    mutable retry_count : int;
    mutable bucket_small_size : int }

val params : params

(** {6 Statistics} *)

type stats =
  { classes : int;
    methods : int;
    inst_vars : int }
val stats : unit -> stats