Revision 3fbe26df0e779cf0e7b9d8916d81061bd11d1884 authored by Wojciech Meyer on 09 March 2013, 17:11:10 UTC, committed by Wojciech Meyer on 09 March 2013, 17:11:10 UTC
git-svn-id: http://caml.inria.fr/svn/ocaml/branches/monadic_let@13391 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
1 parent eb530ed
primitive.ml
(***********************************************************************)
(* *)
(* 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 Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* Description of primitive functions *)
open Misc
type description =
{ 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_float: bool } (* Does the above operate on unboxed floats? *)
let parse_declaration arity decl =
match decl with
| name :: "noalloc" :: name2 :: "float" :: _ ->
{prim_name = name; prim_arity = arity; prim_alloc = false;
prim_native_name = name2; prim_native_float = true}
| name :: "noalloc" :: name2 :: _ ->
{prim_name = name; prim_arity = arity; prim_alloc = false;
prim_native_name = name2; prim_native_float = false}
| name :: name2 :: "float" :: _ ->
{prim_name = name; prim_arity = arity; prim_alloc = true;
prim_native_name = name2; prim_native_float = true}
| name :: "noalloc" :: _ ->
{prim_name = name; prim_arity = arity; prim_alloc = false;
prim_native_name = ""; prim_native_float = false}
| name :: name2 :: _ ->
{prim_name = name; prim_arity = arity; prim_alloc = true;
prim_native_name = name2; prim_native_float = false}
| name :: _ ->
{prim_name = name; prim_arity = arity; prim_alloc = true;
prim_native_name = ""; prim_native_float = false}
| [] ->
fatal_error "Primitive.parse_declaration"
let description_list p =
let list = [p.prim_name] in
let list = if not p.prim_alloc then "noalloc" :: list else list in
let list =
if p.prim_native_name <> "" then p.prim_native_name :: list else list
in
let list = if p.prim_native_float then "float" :: list else list in
List.rev list
let native_name p =
if p.prim_native_name <> ""
then p.prim_native_name
else p.prim_name
let byte_name p =
p.prim_name
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