summaryrefslogtreecommitdiff
path: root/abstract/environment_domain.ml
blob: 5dbd08fded2a86a462fdb21d2b13b948cecfa3c2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
open Ast
open Formula

module type ENVIRONMENT_DOMAIN = sig
    type t

    (* construction *)
    val init        : t
    val bottom      : t
    val is_bot      : t -> bool

    (* variable management *)
    val addvar      : t -> id -> bool -> t     (* integer or float variable ? *)
    val forgetvar   : t -> id -> t             (* remove var from constraints *)
    val rmvar       : t -> id -> t
    val vars        : t -> (id * bool) list
    val vbottom     : t -> t       (* bottom value with same environment *)

    (* abstract operation *)
    val apply_f     : t -> bool_expr -> t
    val apply_cl    : t -> conslist -> t
    val assign      : t -> (id * num_expr) list -> t

    (* set-theoretic operations *)
    val join        : t -> t -> t       (* union *)
    val meet        : t -> t -> t       (* intersection *)
    val widen       : t -> t -> t

    (* order *)
    val subset      : t -> t -> bool
    val eq          : t -> t -> bool

    (* pretty-printing *)
    val print_vars  : Format.formatter -> t -> id list -> unit
    val print_all   : Format.formatter -> t -> unit
end