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|
(**************************************************************************)
(* Sail *)
(* *)
(* Copyright (c) 2013-2017 *)
(* Kathyrn Gray *)
(* Shaked Flur *)
(* Stephen Kell *)
(* Gabriel Kerneis *)
(* Robert Norton-Wright *)
(* Christopher Pulte *)
(* Peter Sewell *)
(* Alasdair Armstrong *)
(* Brian Campbell *)
(* Thomas Bauereiss *)
(* Anthony Fox *)
(* Jon French *)
(* Dominic Mulligan *)
(* Stephen Kell *)
(* Mark Wassell *)
(* *)
(* All rights reserved. *)
(* *)
(* This software was developed by the University of Cambridge Computer *)
(* Laboratory as part of the Rigorous Engineering of Mainstream Systems *)
(* (REMS) project, funded by EPSRC grant EP/K008528/1. *)
(* *)
(* Redistribution and use in source and binary forms, with or without *)
(* modification, are permitted provided that the following conditions *)
(* are met: *)
(* 1. Redistributions of source code must retain the above copyright *)
(* notice, this list of conditions and the following disclaimer. *)
(* 2. Redistributions in binary form must reproduce the above copyright *)
(* notice, this list of conditions and the following disclaimer in *)
(* the documentation and/or other materials provided with the *)
(* distribution. *)
(* *)
(* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' *)
(* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *)
(* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *)
(* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR *)
(* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *)
(* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *)
(* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF *)
(* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND *)
(* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, *)
(* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT *)
(* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF *)
(* SUCH DAMAGE. *)
(**************************************************************************)
open Ast
open Ast_util
open PPrint
open Type_check
open Util
open Pretty_print_common
open Ocaml_backend
let frominterp_typedef (TD_aux (td_aux, (l, _))) =
let fromValueArgs (Typ_aux (typ_aux, _)) = match typ_aux with
| Typ_tup typs -> brackets (separate (semi ^^ space) (List.mapi (fun i _ -> string ("v" ^ (string_of_int i))) typs))
| _ -> brackets (string "v0")
in
let fromValueKid (Kid_aux ((Var name), _)) =
string ("typq_" ^ name)
in
let fromValueNexp (Nexp_aux (nexp_aux, _)) = match nexp_aux with
| Nexp_constant num -> parens (separate space [string "Big_int.of_string"; dquotes (string (Nat_big_num.to_string num))])
| Nexp_var var -> fromValueKid var
| _ -> string "NEXP"
in
let rec fromValueTypArg (A_aux (a_aux, _)) = match a_aux with
| A_typ typ -> fromValueTyp typ ""
| A_nexp nexp -> fromValueNexp nexp
| A_order order -> string ("Order_" ^ (string_of_order order))
| _ -> string "TYP_ARG"
and fromValueTyp ((Typ_aux (typ_aux, l)) as typ) arg_name = match typ_aux with
| Typ_id id -> parens (concat [string (zencode_string (string_of_id id)); string ("FromInterpValue"); space; string arg_name])
| Typ_app (typ_id, typ_args) ->
assert (typ_args <> []);
parens (separate space ([string (zencode_string (string_of_id typ_id) ^ "FromInterpValue")] @ List.map fromValueTypArg typ_args @ [string arg_name]))
| Typ_var kid -> parens (separate space [fromValueKid kid; string arg_name])
| Typ_fn _ -> parens (string "failwith \"fromValueTyp: Typ_fn arm unimplemented\"")
| _ -> parens (string "failwith \"fromValueTyp: type arm unimplemented\"")
in
let fromValueVals ((Typ_aux (typ_aux, l)) as typ) = match typ_aux with
| Typ_tup typs -> parens (separate comma_sp (List.mapi (fun i typ -> fromValueTyp typ ("v" ^ (string_of_int i))) typs))
| _ -> fromValueTyp typ "v0"
in
let fromValueTypq (QI_aux (qi_aux, _)) = match qi_aux with
| QI_id (KOpt_aux (KOpt_kind (K_aux (kind_aux, _), kid), _)) -> fromValueKid kid
| QI_const _ -> empty
in
let fromValueTypqs (TypQ_aux (typq_aux, _)) = match typq_aux with
| TypQ_no_forall -> [empty]
| TypQ_tq quants -> List.map fromValueTypq quants
in
match td_aux with
| TD_variant (id, typq, arms, _) ->
begin match id with
| Id_aux ((Id "read_kind"),_) -> empty
| Id_aux ((Id "write_kind"),_) -> empty
| Id_aux ((Id "barrier_kind"),_) -> empty
| Id_aux ((Id "trans_kind"),_) -> empty
| Id_aux ((Id "instruction_kind"),_) -> empty
(* | Id_aux ((Id "regfp"),_) -> empty
| Id_aux ((Id "niafp"),_) -> empty
| Id_aux ((Id "diafp"),_) -> empty *)
(* | Id_aux ((Id "option"),_) -> empty *)
| _ ->
let fromInterpValueName = concat [string (zencode_string (string_of_id id)); string "FromInterpValue"] in
let fromFallback = separate space [pipe; underscore; arrow; string "failwith";
dquotes (string ("invalid interpreter value for " ^ (string_of_id id)))] in
let fromInterpValue =
prefix 2 1
(separate space [string "let"; fromInterpValueName; separate space (fromValueTypqs typq @ [string "v"]); equals; string "match v with"])
((separate_map hardline
(fun (Tu_aux (Tu_ty_id (typ, ctor_id), _)) ->
print_endline (string_of_typ typ);
separate space
[pipe; string "V_ctor"; parens (concat [dquotes (string (string_of_id ctor_id)); comma_sp;
fromValueArgs typ
]);
arrow; string (zencode_upper_string (string_of_id ctor_id)); fromValueVals typ
]
)
arms)
^^ hardline ^^ fromFallback)
in
fromInterpValue ^^ (twice hardline)
end
| TD_abbrev (id, typq, typ_arg) ->
let fromInterpValueName = concat [string (zencode_string (string_of_id id)); string "FromInterpValue"] in
let fromInterpValue =
(separate space [string "let"; fromInterpValueName; separate space (fromValueTypqs typq); equals; fromValueTypArg typ_arg])
in
fromInterpValue ^^ (twice hardline)
| _ -> empty
let tointerp_typedef td = empty
let tofrominterp_def def = match def with
| DEF_type td -> group (frominterp_typedef td ^^ twice hardline ^^ tointerp_typedef td)
| _ -> empty
let tofrominterp_defs (Defs defs) =
(string "open Sail_lib;;" ^^ hardline)
^^ (string "open Value;;" ^^ hardline)
^^ (string "open Interpreter;;" ^^ hardline)
^^ (string "module Big_int = Nat_big_num" ^^ ocaml_def_end)
^^ concat (List.map tofrominterp_def defs)
let tofrominterp_pp_defs f defs =
ToChannel.pretty 1. 80 f (tofrominterp_defs defs)
let tofrominterp_output name defs =
let out_chan = open_out (name ^ "_toFromInterp.ml") in
tofrominterp_pp_defs out_chan defs;
close_out out_chan
|
