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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 import Interp_ast
open import Interp_utilities
open import Pervasives
type instr_param_typ =
| IBit
| IBitvector of maybe nat
| IRange of maybe nat
| IEnum of string * nat
| IOther
type instruction_form =
| Instr_form of string * list (string * instr_param_typ) * list base_effect
| Skipped
val extract_instructions : string -> defs tannot -> list instruction_form
let rec extract_ityp t tag = match (t,tag) with
(* AA: Hack
| (T_abbrev _ t,_) -> extract_ityp t tag
| (T_id "bit",_) -> IBit
| (T_id "bool",_) -> IBit
| (T_app "vector" (T_args [_; T_arg_nexp (Ne_const len); _; T_arg_typ (T_id "bit")]),_) ->
IBitvector (Just (natFromInteger len))
| (T_app "vector" (T_args [_;_;_;T_arg_typ (T_id "bit")]),_) -> IBitvector (Just 64)
| (T_app "atom" (T_args [T_arg_nexp (Ne_const num)]),_) ->
IRange (Just (natFromInteger num))
| (T_app "atom" _,_) -> IRange Nothing
| (T_app "range" (T_args [_;T_arg_nexp (Ne_const max)]),_) ->
IRange (Just (natFromInteger max))
| (T_app "range" _,_) -> IRange Nothing
| (T_app i (T_args []),Tag_enum max) ->
IEnum i (natFromInteger max)
| (T_id i,Tag_enum max) ->
IEnum i (natFromInteger max)
*)
| _ -> IOther
end
let extract_parm (E_aux e (_,tannot)) =
match e with
| E_id (Id_aux (Id i) _) ->
match tannot with
| Just(t,tag,_,_,_) -> (i,(extract_ityp t tag))
| _ -> (i,IOther) end
| _ ->
let i = "Unnamed" in
match tannot with
| Just(t,tag,_,_,_) -> (i,(extract_ityp t tag))
| _ -> (i,IOther) end
end
let rec extract_from_decode decoder =
match decoder with
| [] -> []
| (FCL_aux (FCL_Funcl _ (Pat_aux pexp _)) _)::decoder ->
let exp = match pexp with Pat_exp _ exp -> exp | Pat_when _ _ exp -> exp end in
(match exp with
| E_aux (E_app (Id_aux(Id id) _) parms) (_,(Just (_,Tag_ctor,_,_,_))) ->
Instr_form id (List.map extract_parm parms) []
| _ -> Skipped end)::(extract_from_decode decoder)
end
let rec extract_effects_of_fcl id execute = match execute with
| [] -> []
| FCL_aux (FCL_Funcl _ (Pat_aux (Pat_exp (P_aux (P_app (Id_aux (Id i) _) _) _) _) _)) (_,(Just(_,_,_,Effect_aux(Effect_set efs) _,_))) :: executes ->
if i = id
then efs
else extract_effects_of_fcl id executes
| _::executes -> extract_effects_of_fcl id executes
end
let rec extract_patt_parm (P_aux p (_,tannot)) =
let t = match tannot with
| Just(t,tag,_,_,_) -> extract_ityp t tag
| _ -> IOther end in
match p with
| P_lit lit -> ("",t)
| P_wild -> ("Unnamed",t)
| P_as _ (Id_aux (Id id) _) -> (id,t)
| P_typ typ p -> extract_patt_parm p
| P_id (Id_aux (Id id) _) -> (id,t)
| P_app (Id_aux (Id id) _) [] -> (id,t)
| _ -> ("",t) end
let rec extract_from_execute fcls = match fcls with
| [] -> []
| FCL_aux (FCL_Funcl _ (Pat_aux (Pat_exp (P_aux (P_app (Id_aux (Id i) _) parms) _) _) _)) (_,Just(_,_,_,Effect_aux(Effect_set efs) _,_))::fcls ->
(Instr_form i (List.map extract_patt_parm parms) efs)::extract_from_execute fcls
| _ :: fcls ->
(* AA: Find out what breaks this *)
extract_from_execute fcls
end
let rec extract_effects instrs execute =
match instrs with
| [] -> []
| Skipped::instrs -> Skipped::(extract_effects instrs execute)
| (Instr_form id parms [])::instrs ->
(Instr_form id parms (extract_effects_of_fcl id execute))::(extract_effects instrs execute)
end
let extract_instructions_old decode_name execute_name defs =
let (Just decoder) = find_function defs (Id_aux (Id decode_name) Unknown) in
let (Just executer) = find_function defs (Id_aux (Id execute_name) Unknown) in
let instr_no_effects = extract_from_decode decoder in
let instructions = extract_effects instr_no_effects executer in
instructions
let extract_instructions execute_name defs =
let (Just executer) = find_function defs (Id_aux (Id execute_name) Unknown) in
let instructions = extract_from_execute executer in
instructions
|
