ocaml/typing/primitive.mli

72 lines
2.5 KiB
OCaml

(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, 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 Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
(* Description of primitive functions *)
type boxed_integer = Pnativeint | Pint32 | Pint64
(* Representation of arguments/result for the native code version
of a primitive *)
type native_repr =
| Same_as_ocaml_repr
| Unboxed_float
| Unboxed_integer of boxed_integer
| Untagged_int
type description = private
{ prim_name: string; (* Name of primitive or C function *)
prim_arity: int; (* Number of arguments *)
prim_alloc: bool; (* Does it allocates or raise? *)
prim_native_name: string; (* Name of C function for the nat. code gen. *)
prim_native_repr_args: native_repr list;
prim_native_repr_res: native_repr }
(* Invariant [List.length d.prim_native_repr_args = d.prim_arity] *)
val simple
: name:string
-> arity:int
-> alloc:bool
-> description
val make
: name:string
-> alloc:bool
-> native_name:string
-> native_repr_args: native_repr list
-> native_repr_res: native_repr
-> description
val parse_declaration
: Parsetree.value_description
-> native_repr_args:native_repr list
-> native_repr_res:native_repr
-> description
val print
: description
-> Outcometree.out_val_decl
-> Outcometree.out_val_decl
val native_name: description -> string
val byte_name: description -> string
type error =
| Old_style_float_with_native_repr_attribute
| Old_style_noalloc_with_noalloc_attribute
| No_native_primitive_with_repr_attribute
exception Error of Location.t * error