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|
(**************************************************************************)
(* Sail *)
(* *)
(* Copyright (c) 2013-2017 *)
(* Kathyrn Gray *)
(* Shaked Flur *)
(* Stephen Kell *)
(* Gabriel Kerneis *)
(* Robert Norton-Wright *)
(* Christopher Pulte *)
(* Peter Sewell *)
(* *)
(* 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 Type_internal
open Ast
open Pretty_print_common
open Big_int
(* **************************************************************************
* pp from tannot to ASCII source, for pp of built-in type environment
*)
let rec pp_format_t_ascii t =
match t.t with
| Tid i -> i
| Tvar i -> "'" ^ i
| Tfn(t1,t2,_,e) -> (pp_format_t_ascii t1) ^ " -> " ^ (pp_format_t_ascii t2) ^ (match e.effect with Eset [] -> "" | _ -> " effect " ^ pp_format_e_ascii e)
| Ttup(tups) -> "(" ^ (list_format ", " pp_format_t_ascii tups) ^ ")"
| Tapp(i,args) -> i ^ "<" ^ list_format ", " pp_format_targ_ascii args ^ ">"
| Tabbrev(ti,ta) -> (pp_format_t_ascii ti) (* (pp_format_t_ascii ta) *)
| Tuvar(_) -> failwith "Tuvar in pp_format_t_ascii"
| Toptions _ -> failwith "Toptions in pp_format_t_ascii"
and pp_format_targ_ascii = function
| TA_typ t -> pp_format_t_ascii t
| TA_nexp n -> pp_format_n_ascii n
| TA_eft e -> pp_format_e_ascii e
| TA_ord o -> pp_format_o_ascii o
and pp_format_n_ascii n =
match n.nexp with
| Nid (i, n) -> i (* from an abbreviation *)
| Nvar i -> "'" ^ i
| Nconst i -> (string_of_int (int_of_big_int i))
| Npos_inf -> "infinity"
| Nadd(n1,n2) -> (pp_format_n_ascii n1) ^ "+" ^ (pp_format_n_ascii n2)
| Nsub(n1,n2) -> (pp_format_n_ascii n1) ^ "-" ^ (pp_format_n_ascii n2)
| Nmult(n1,n2) -> (pp_format_n_ascii n1) ^ "*" ^ (pp_format_n_ascii n2)
| N2n(n,_) -> "2**"^(pp_format_n_ascii n) (* string_of_big_int i ^ *)
| Nneg n -> "-" ^ (pp_format_n_ascii n)
| Nuvar _ -> failwith "Nuvar in pp_format_n_ascii"
| Nneg_inf -> "-infinity"
| Npow _ -> failwith "Npow in pp_format_n_ascii"
| Ninexact -> failwith "Ninexact in pp_format_n_ascii"
and pp_format_e_ascii e =
match e.effect with
| Evar i -> "'" ^ i
| Eset es -> "{" ^
(list_format ", " pp_format_base_effect_ascii es) ^ "}"
| Euvar(_) -> failwith "Euvar in pp_format_e_ascii"
and pp_format_o_ascii o =
match o.order with
| Ovar i -> "'" ^ i
| Oinc -> "inc"
| Odec -> "dec"
| Ouvar(_) -> failwith "Ouvar in pp_format_o_ascii"
and pp_format_base_effect_ascii (BE_aux(e,l)) =
match e with
| BE_rreg -> "rreg"
| BE_wreg -> "wreg"
| BE_rmem -> "rmem"
| BE_rmemt -> "rmemt"
| BE_wmem -> "wmem"
| BE_wmv -> "wmv"
| BE_wmvt -> "wmvt"
| BE_eamem -> "eamem"
| BE_exmem -> "exmem"
| BE_barr -> "barr"
| BE_depend -> "depend"
| BE_undef -> "undef"
| BE_unspec -> "unspec"
| BE_nondet -> "nondet"
| BE_lset -> "lset"
| BE_lret -> "lret"
| BE_escape -> "escape"
and pp_format_nes_ascii nes =
list_format ", " pp_format_ne_ascii nes
and pp_format_ne_ascii ne =
match ne with
| Lt(_,_,n1,n2) -> pp_format_n_ascii n1 ^ " < " ^ pp_format_n_ascii n2
| LtEq(_,_,n1,n2) -> pp_format_n_ascii n1 ^ " <= " ^ pp_format_n_ascii n2
| NtEq(_,n1,n2) -> pp_format_n_ascii n1 ^ " != " ^ pp_format_n_ascii n2
| Eq(_,n1,n2) -> pp_format_n_ascii n1 ^ " = " ^ pp_format_n_ascii n2
| GtEq(_,_,n1,n2) -> pp_format_n_ascii n1 ^ " >= " ^ pp_format_n_ascii n2
| Gt(_,_,n1,n2) -> pp_format_n_ascii n1 ^ " > " ^ pp_format_n_ascii n2
| In(_,i,ns) | InS(_,{nexp=Nvar i},ns) ->
i ^ " IN {" ^ (list_format ", " string_of_int ns)^ "}"
| InS(_,_,ns) -> (* when the variable has been replaced by a unification variable, we use this *)
failwith "InS in pp_format_nes_ascii" (*"(Nec_in \"fresh\" [" ^ (list_format "; " string_of_int ns)^ "])"*)
| Predicate(_,n1,n2) -> "flow_constraints(" ^ pp_format_ne_ascii n1 ^", "^ pp_format_ne_ascii n2 ^")"
| CondCons(_,_,_,nes_c,nes_t) ->
failwith "CondCons in pp_format_nes_ascii" (*"(Nec_cond " ^ (pp_format_nes nes_c) ^ " " ^ (pp_format_nes nes_t) ^ ")"*)
| BranchCons(_,_,nes_b) ->
failwith "BranchCons in pp_format_nes_ascii" (*"(Nec_branch " ^ (pp_format_nes nes_b) ^ ")"*)
let rec pp_format_annot_ascii = function
| NoTyp -> "Nothing"
| Base((targs,t),tag,nes,efct,efctsum,_) ->
(*TODO print out bindings for use in pattern match in interpreter*)
(match tag with External (Some s) -> "("^s^") " | _ -> "") ^
(match (targs,nes) with ([],[]) -> "\n" | _ ->
"forall " ^ list_format ", " (function (i,k) -> kind_to_string k ^" '"^ i) targs ^
(match nes with [] -> "" | _ -> ", " ^ pp_format_nes_ascii nes)
^ ".\n") ^ " "
^ pp_format_t_ascii t
^ "\n"
(*
^ " ********** " ^ pp_format_tag tag ^ ", " ^ pp_format_nes nes ^ ", " ^
pp_format_e_lem efct ^ ", " ^ pp_format_e_lem efctsum ^ "))"
*)
| Overload (tannot, return_type_overloading_allowed, tannots) ->
(*pp_format_annot_ascii tannot*) "\n" ^ String.concat "" (List.map (function tannot' -> " " ^ pp_format_annot_ascii tannot' ) tannots)
|
