Revision d17dc44c2ddcee89538b2a6e112b71080738b3ce authored by Ilias Garnier on 06 April 2023, 10:04:03 UTC, committed by Marge Bot on 12 April 2023, 07:06:24 UTC
1 parent 14cc146
value_type.ml
(*****************************************************************************)
(* *)
(* Open Source License *)
(* Copyright (c) 2022 TriliTech <contact@trili.tech> *)
(* *)
(* Permission is hereby granted, free of charge, to any person obtaining a *)
(* copy of this software and associated documentation files (the "Software"),*)
(* to deal in the Software without restriction, including without limitation *)
(* the rights to use, copy, modify, merge, publish, distribute, sublicense, *)
(* and/or sell copies of the Software, and to permit persons to whom the *)
(* Software is furnished to do so, subject to the following conditions: *)
(* *)
(* The above copyright notice and this permission notice shall be included *)
(* in all copies or substantial portions of the Software. *)
(* *)
(* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR*)
(* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *)
(* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *)
(* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER*)
(* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *)
(* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *)
(* DEALINGS IN THE SOFTWARE. *)
(* *)
(*****************************************************************************)
open Api
type _ t =
| I32 : int32 t
| I64 : int64 t
| F32 : float t
| F64 : float t
| AnyRef : Ref.t t
| FuncRef : Ref.t t
let to_valkind : type a. a t -> Types.Valkind.t = function
| I32 -> Types.Valkind.i32
| I64 -> Types.Valkind.i64
| F32 -> Types.Valkind.f32
| F64 -> Types.Valkind.f64
| AnyRef -> Types.Valkind.anyref
| FuncRef -> Types.Valkind.funcref
let to_valtype typ = Functions.Valtype.new_ (to_valkind typ)
exception Type_mismatch of {expected : Types.Valkind.t; got : Types.Valkind.t}
let () =
Printexc.register_printer (function
| Type_mismatch {expected; got} ->
Some
(Printf.sprintf
"Type mismatch: %s <> %s"
(Unsigned.UInt8.to_string expected)
(Unsigned.UInt8.to_string got))
| _ -> None)
let check : type a. a t -> Types.Valtype.t Ctypes.ptr -> unit =
fun typ valtype ->
let got = Functions.Valtype.kind valtype in
let check_assertion expected =
if not (Unsigned.UInt8.equal got expected) then
raise (Type_mismatch {got; expected})
in
match typ with
| I32 -> check_assertion Types.Valkind.i32
| I64 -> check_assertion Types.Valkind.i64
| F32 -> check_assertion Types.Valkind.f32
| F64 -> check_assertion Types.Valkind.f64
| AnyRef -> check_assertion Types.Valkind.anyref
| FuncRef -> check_assertion Types.Valkind.funcref
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