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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 *)
(* Thomas Bauereiss *)
(* *)
(* 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
val no_annot : unit annot
val mk_id : string -> id
val mk_kid : string -> kid
val mk_ord : order_aux -> order
val mk_nc : n_constraint_aux -> n_constraint
val mk_nexp : nexp_aux -> nexp
val mk_exp : unit exp_aux -> unit exp
val mk_pat : unit pat_aux -> unit pat
val mk_lexp : unit lexp_aux -> unit lexp
val mk_lit : lit_aux -> lit
val mk_lit_exp : lit_aux -> unit exp
val mk_funcl : id -> unit pat -> unit exp -> unit funcl
val mk_fundef : (unit funcl) list -> unit def
val mk_val_spec : val_spec_aux -> unit def
val mk_typschm : typquant -> typ -> typschm
val mk_qi_id : base_kind_aux -> kid -> quant_item
val mk_qi_nc : n_constraint -> quant_item
val mk_fexp : id -> unit exp -> unit fexp
val mk_fexps : (unit fexp) list -> unit fexps
val mk_letbind : unit pat -> unit exp -> unit letbind
val unaux_exp : 'a exp -> 'a exp_aux
val unaux_pat : 'a pat -> 'a pat_aux
val inc_ord : order
val dec_ord : order
(* Utilites for working with kinded_ids *)
val kopt_kid : kinded_id -> kid
val is_nat_kopt : kinded_id -> bool
val is_order_kopt : kinded_id -> bool
val is_typ_kopt : kinded_id -> bool
(* Some handy utility functions for constructing types. *)
val mk_typ : typ_aux -> typ
val mk_typ_arg : typ_arg_aux -> typ_arg
val mk_id_typ : id -> typ
(* Sail builtin types. *)
val int_typ : typ
val nat_typ : typ
val atom_typ : nexp -> typ
val range_typ : nexp -> nexp -> typ
val bit_typ : typ
val bool_typ : typ
val app_typ : id -> typ_arg list -> typ
val unit_typ : typ
val string_typ : typ
val real_typ : typ
val vector_typ : nexp -> nexp -> order -> typ -> typ
val list_typ : typ -> typ
val exc_typ : typ
val tuple_typ : typ list -> typ
val function_typ : typ -> typ -> effect -> typ
val no_effect : effect
val mk_effect : base_effect_aux list -> effect
val nexp_simp : nexp -> nexp
(* Utilities for building n-expressions *)
val nconstant : int -> nexp
val nminus : nexp -> nexp -> nexp
val nsum : nexp -> nexp -> nexp
val ntimes : nexp -> nexp -> nexp
val npow2 : nexp -> nexp
val nvar : kid -> nexp
val nid : id -> nexp (* NOTE: Nexp_id's don't do anything currently *)
(* Numeric constraint builders *)
val nc_eq : nexp -> nexp -> n_constraint
val nc_neq : nexp -> nexp -> n_constraint
val nc_lteq : nexp -> nexp -> n_constraint
val nc_gteq : nexp -> nexp -> n_constraint
val nc_lt : nexp -> nexp -> n_constraint
val nc_gt : nexp -> nexp -> n_constraint
val nc_and : n_constraint -> n_constraint -> n_constraint
val nc_or : n_constraint -> n_constraint -> n_constraint
val nc_true : n_constraint
val nc_false : n_constraint
val nc_set : kid -> int list -> n_constraint
val quant_items : typquant -> quant_item list
val quant_kopts : typquant -> kinded_id list
(* Functions to map over the annotations in sub-expressions *)
val map_exp_annot : ('a annot -> 'b annot) -> 'a exp -> 'b exp
val map_pat_annot : ('a annot -> 'b annot) -> 'a pat -> 'b pat
val map_lexp_annot : ('a annot -> 'b annot) -> 'a lexp -> 'b lexp
val map_letbind_annot : ('a annot -> 'b annot) -> 'a letbind -> 'b letbind
(* Extract locations from identifiers *)
val id_loc : id -> Parse_ast.l
val kid_loc : kid -> Parse_ast.l
(* For debugging and error messages only: Not guaranteed to produce
parseable SAIL, or even print all language constructs! *)
(* TODO: replace with existing pretty-printer *)
val string_of_id : id -> string
val string_of_kid : kid -> string
val string_of_base_effect_aux : base_effect_aux -> string
val string_of_base_kind_aux : base_kind_aux -> string
val string_of_base_kind : base_kind -> string
val string_of_kind : kind -> string
val string_of_base_effect : base_effect -> string
val string_of_effect : effect -> string
val string_of_order : order -> string
val string_of_nexp : nexp -> string
val string_of_typ : typ -> string
val string_of_typ_arg : typ_arg -> string
val string_of_annot : ('a * typ * effect) option -> string
val string_of_n_constraint : n_constraint -> string
val string_of_quant_item : quant_item -> string
val string_of_typquant : typquant -> string
val string_of_typschm : typschm -> string
val string_of_lit : lit -> string
val string_of_exp : 'a exp -> string
val string_of_pexp : 'a pexp -> string
val string_of_lexp : 'a lexp -> string
val string_of_pat : 'a pat -> string
val string_of_letbind : 'a letbind -> string
val string_of_index_range : index_range -> string
val id_of_fundef : 'a fundef -> id
val id_of_kid : kid -> id
val kid_of_id : id -> kid
val prepend_id : string -> id -> id
module Id : sig
type t = id
val compare : id -> id -> int
end
module Kid : sig
type t = kid
val compare : kid -> kid -> int
end
module BE : sig
type t = base_effect
val compare : base_effect -> base_effect -> int
end
module IdSet : sig
include Set.S with type elt = id
end
module KidSet : sig
include Set.S with type elt = kid
end
module KBindings : sig
include Map.S with type key = kid
end
module Bindings : sig
include Map.S with type key = id
end
val nexp_frees : nexp -> KidSet.t
val nexp_identical : nexp -> nexp -> bool
val is_nexp_constant : nexp -> bool
val simplify_nexp : nexp -> nexp
val lexp_to_exp : 'a lexp -> 'a exp
val is_number : typ -> bool
val is_reftyp : typ -> bool
val is_vector_typ : typ -> bool
val is_bit_typ : typ -> bool
val is_bitvector_typ : typ -> bool
val typ_app_args_of : typ -> string * typ_arg_aux list * Ast.l
val vector_typ_args_of : typ -> nexp * nexp * order * typ
val is_order_inc : order -> bool
val has_effect : effect -> base_effect_aux -> bool
|