package frama-c

  1. Overview
  2. Docs
package frama-c
Legend:
Page
Library
Module
Module type
Parameter
Class
Class type
Source

Source file clabels.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
(**************************************************************************)
(*                                                                        *)
(*  This file is part of WP plug-in of Frama-C.                           *)
(*                                                                        *)
(*  Copyright (C) 2007-2024                                               *)
(*    CEA (Commissariat a l'energie atomique et aux energies              *)
(*         alternatives)                                                  *)
(*                                                                        *)
(*  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, version 2.1.                                              *)
(*                                                                        *)
(*  It 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.                   *)
(*                                                                        *)
(*  See the GNU Lesser General Public License version 2.1                 *)
(*  for more details (enclosed in the file licenses/LGPLv2.1).            *)
(*                                                                        *)
(**************************************************************************)

(* -------------------------------------------------------------------------- *)
(* --- Normalized C-labels                                                --- *)
(* -------------------------------------------------------------------------- *)

open Cil_types

type c_label = string

let compare = String.compare
let equal (a:string) (b:string) = (a = b)

module T = struct type t = c_label let compare = compare end
module LabelMap = Datatype.String.Map
module LabelSet = Datatype.String.Set

let init = "wp:init"
let here = "wp:here"
let next = "wp:next"
let pre = "wp:pre"
let post = "wp:post"
let exit = "wp:exit"
let break = "wp:break"
let continue = "wp:continue"
let default = "wp:default"

let loopcurrent = "wp:loopcurrent"
let loopentry = "wp:loopentry"

let formal a = a

let pretty = Format.pp_print_string

let is_here h = (h = here)

let mem l lbl = List.mem l lbl

let case n = "wp:case" ^ Int64.to_string n
let stmt s = "wp:sid"  ^ string_of_int s.sid
let stmt_post s = "wp:sid:post:" ^ string_of_int s.sid
let loop_entry s = stmt s (* same point *)
let loop_current s = "wp:head" ^ string_of_int s.sid

let to_logic a = FormalLabel a
let of_logic = function
  | BuiltinLabel Here -> here
  | BuiltinLabel Init -> init
  | BuiltinLabel Pre -> pre
  | BuiltinLabel Post -> post
  | FormalLabel name -> name
  | BuiltinLabel Old -> "wp:old"
  | BuiltinLabel LoopCurrent -> loopcurrent
  | BuiltinLabel LoopEntry -> loopentry
  | StmtLabel s -> stmt !s

let is_post = function
  | BuiltinLabel Post -> true
  | FormalLabel a -> a = post || a = exit
  | _ -> false

let name = function FormalLabel a -> a | _ -> ""

let lookup labels a =
  try
    List.find (fun (l,_) -> name l = a) labels |> snd
  with Not_found ->
    Wp_parameters.fatal
      "Unbound label parameter '%s' in predicate or function call" a

(* -------------------------------------------------------------------------- *)
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