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
|
(**************************************************************************)
(* *)
(* The Why platform for program certification *)
(* Copyright (C) 2002-2008 *)
(* Romain BARDOU *)
(* Jean-Franois COUCHOT *)
(* Mehdi DOGGUY *)
(* Jean-Christophe FILLITRE *)
(* Thierry HUBERT *)
(* Claude MARCH *)
(* Yannick MOY *)
(* Christine PAULIN *)
(* Yann RGIS-GIANAS *)
(* Nicolas ROUSSET *)
(* Xavier URBAIN *)
(* *)
(* This software is free software; you can redistribute it and/or *)
(* modify it under the terms of the GNU General Public *)
(* License version 2, as published by the Free Software Foundation. *)
(* *)
(* This software 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 General Public License version 2 for more details *)
(* (enclosed in the file GPL). *)
(* *)
(**************************************************************************)
(*i $Id: numconst.mli,v 1.4 2008/02/05 12:10:49 marche Exp $ i*)
(* Evaluation of constant literals: superset of C and Java
general rule: case insensitive
decimal constants:
. regexp 0 | [1-9][0-9]*
octal constants:
. regexp 0[0-7]+
hexadecimal constants:
. regexp 0x[0-9a-f]+
for each of the three above: suffix allowed = (u|l)*
characters: between single quotes, with either
. ASCII chars
. octal chars: \[0-7]^3
. unicode chars a la Java: \'u'+[0-9a-f]^4 (TODO)
. special chars \n, \r, \t, etc. (TODO: give exact list)
extended chars a la C: 'L''"'[^'"']*'"' (TODO)
*)
val zero : Num.num
val integer : string -> Num.num
|
