71 lines
2.7 KiB
OCaml
71 lines
2.7 KiB
OCaml
(***********************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the GNU Library General Public License, with *)
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(* the special exception on linking described in file ../LICENSE. *)
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(* *)
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(***********************************************************************)
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(** Operations on internal representations of values.
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Not for the casual user.
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*)
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type t
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external repr : 'a -> t = "%identity"
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external obj : t -> 'a = "%identity"
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external magic : 'a -> 'b = "%identity"
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external is_block : t -> bool = "caml_obj_is_block"
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external is_int : t -> bool = "%obj_is_int"
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external tag : t -> int = "caml_obj_tag"
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external set_tag : t -> int -> unit = "caml_obj_set_tag"
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external size : t -> int = "%obj_size"
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external field : t -> int -> t = "%obj_field"
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external set_field : t -> int -> t -> unit = "%obj_set_field"
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val double_field : t -> int -> float (* @since 3.11.2 *)
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val set_double_field : t -> int -> float -> unit (* @since 3.11.2 *)
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external new_block : int -> int -> t = "caml_obj_block"
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external dup : t -> t = "caml_obj_dup"
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external truncate : t -> int -> unit = "caml_obj_truncate"
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external add_offset : t -> Int32.t -> t = "caml_obj_add_offset"
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(* @since 3.12.0 *)
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val first_non_constant_constructor_tag : int
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val last_non_constant_constructor_tag : int
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val lazy_tag : int
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val closure_tag : int
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val object_tag : int
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val infix_tag : int
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val forward_tag : int
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val no_scan_tag : int
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val abstract_tag : int
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val string_tag : int (* both [string] and [bytes] *)
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val double_tag : int
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val double_array_tag : int
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val custom_tag : int
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val final_tag : int
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[@@ocaml.deprecated "Replaced by custom_tag."]
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val int_tag : int
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val out_of_heap_tag : int
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val unaligned_tag : int (* should never happen @since 3.11.0 *)
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val extension_constructor : 'a -> extension_constructor
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val extension_name : extension_constructor -> string
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val extension_id : extension_constructor -> int
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(** The following two functions are deprecated. Use module {!Marshal}
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instead. *)
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val marshal : t -> bytes
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[@@ocaml.deprecated "Use Marshal.to_bytes instead."]
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val unmarshal : bytes -> int -> t * int
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[@@ocaml.deprecated "Use Marshal.from_bytes and Marshal.total_size instead."]
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