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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 Rewriter
(* Returns an IdSet with the function ids that have X-kinded
parameters, e.g. val f : forall ('a : X). 'a -> 'a. The first
argument specifies what X should be - it should be one of:
is_nat_kopt, is_order_kopt, or is_type_kopt from Ast_util.
*)
let rec polymorphic_functions is_kopt (Defs defs) =
match defs with
| DEF_spec (VS_aux (VS_val_spec (TypSchm_aux (TypSchm_ts (typq, typ) , _), id, _, externs), _)) :: defs ->
let is_type_polymorphic = List.exists is_kopt (quant_kopts typq) in
if is_type_polymorphic then
IdSet.add id (polymorphic_functions is_kopt (Defs defs))
else
polymorphic_functions is_kopt (Defs defs)
| _ :: defs -> polymorphic_functions is_kopt (Defs defs)
| [] -> IdSet.empty
(* Returns a list of all the instantiations of a function id in an
ast. *)
let rec instantiations_of id ast =
let instantiations = ref [] in
let inspect_exp = function
| E_aux (E_app (id', _), _) as exp when Id.compare id id' = 0 ->
instantiations := Type_check.instantiation_of exp :: !instantiations;
exp
| exp -> exp
in
let rewrite_exp = { id_exp_alg with e_aux = (fun (exp, annot) -> inspect_exp (E_aux (exp, annot))) } in
let _ = rewrite_defs_base { rewriters_base with rewrite_exp = (fun _ -> fold_exp rewrite_exp) } ast in
!instantiations
|
