package mopsa

  1. Overview
  2. Docs
package mopsa
Legend:
Page
Library
Module
Module type
Parameter
Class
Class type
Source

Source file program.ml

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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
(****************************************************************************)
(*                                                                          *)
(* This file is part of MOPSA, a Modular Open Platform for Static Analysis. *)
(*                                                                          *)
(* Copyright (C) 2017-2019 The MOPSA Project.                               *)
(*                                                                          *)
(* This program is free software: you can redistribute it and/or modify     *)
(* it under the terms of the GNU Lesser General Public License as published *)
(* by the Free Software Foundation, either version 3 of the License, or     *)
(* (at your option) any later version.                                      *)
(*                                                                          *)
(* This program is distributed in the hope that it will be useful,          *)
(* but WITHOUT ANY WARRANTY; without even the implied warranty of           *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *)
(* GNU Lesser General Public License for more details.                      *)
(*                                                                          *)
(* You should have received a copy of the GNU Lesser General Public License *)
(* along with this program.  If not, see <http://www.gnu.org/licenses/>.    *)
(*                                                                          *)
(****************************************************************************)

(** Main handler of Universal programs. *)

open Mopsa
open Sig.Abstraction.Stateless
open Ast

module Domain =
struct

  include GenStatelessDomainId(struct
      let name = "universal.iterators.program"
    end)


  let checks = []

  let init prog man flow =
    match prog.prog_kind with
    | P_universal u ->
      set_u_program u flow |>
      Post.return |>
      Option.some

    | _ -> None

  let eval exp man flow = None

  let find_function f functions =
    List.find (function
          {fun_orig_name} -> fun_orig_name = f
      ) functions

  let ask : type r. ('a,r) query -> _ man -> _ flow -> ('a, r) cases option = fun query man flow ->
    let get_locals prog call =
      let f = find_function call prog.universal_fundecs in
      f.fun_parameters @ f.fun_locvars @ (match f.fun_return_var with None -> [] | Some v -> [v]) in 
    let open Framework.Engines.Interactive in
    match query with
    | Q_defined_variables (Some call) ->
      let prog = get_u_program flow in
      Cases.singleton (get_locals prog call) flow 
      |> OptionExt.return 

    | Q_defined_variables None ->
      let prog = get_u_program flow in
      let cs = Flow.get_callstack flow in
      let globals = prog.universal_gvars in
      let locals = List.rev @@
        List.fold_left (fun acc call -> (get_locals prog call.Callstack.call_fun_orig_name) @ acc) [] cs in
      Cases.singleton (globals @ locals) flow
      |> OptionExt.return 

    | Q_allocated_addresses ->
      Cases.singleton [] flow
      |> OptionExt.return 

    | _ -> None

  (** Execute tests in a unit test program *)
  let exec_tests main fundecs range man flow =
    (* Execute main body *)
    man.exec main flow >>% fun flow ->

    (* Search for test functions *)
    let tests = List.filter (fun f ->
        let name = f.fun_orig_name in
        if String.length name < 5 then false
        else String.sub name 0 4 = "test"
      ) fundecs
    in

    (* Execute tests *)
    let stmt = mk_stmt (S_unit_tests (
        tests |> List.map (fun f ->
            f.fun_orig_name, mk_expr_stmt (mk_call f [] f.fun_range) range
          )
      )) range
    in
    man.exec stmt flow
    
  

  let exec stmt man flow =
    match skind stmt with
    | S_program ({ prog_kind = P_universal{universal_main} }, _)
      when not !Unittest.unittest_flag ->
      man.exec universal_main flow |>
      OptionExt.return

    | S_program ({ prog_kind = P_universal{universal_main; universal_fundecs} }, _)
      when !Unittest.unittest_flag ->
      exec_tests universal_main universal_fundecs stmt.srange man flow |>
      OptionExt.return

    | _ -> None


  let print_expr man flow printer exp = ()

end

let () =
  register_stateless_domain (module Domain)
OCaml

Innovation. Community. Security.

GitHub Discord Twitter Peertube RSS
About
Changelog Releases Industrial Users Academic Users Why OCaml
Ecosystem
Packages Community Events OCaml Planet Jobs
Resources
Install OCaml Get Started Platform Tools Language Manual Standard Library API Books Exercises Papers OCaml Playground Logo
Policies
Carbon Footprint Governance Privacy Code of Conduct