2 * Copyright 2012, INRIA
3 * Julia Lawall, Gilles Muller
4 * Copyright 2010-2011, INRIA, University of Copenhagen
5 * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix
6 * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
7 * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
8 * This file is part of Coccinelle.
10 * Coccinelle is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, according to version 2 of the License.
14 * Coccinelle is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>.
22 * The authors reserve the right to distribute this or future versions of
23 * Coccinelle under other licenses.
27 (* evaluation of nested and and or using id-utils *)
29 module GC
= Get_constants2
31 let evaluated = Hashtbl.create
(100)
35 let memoize exp vl
= Hashtbl.add
evaluated exp vl
; vl
37 let rec interpret dir exp
=
38 let res = try Some
(Hashtbl.find
evaluated exp
) with Not_found
-> None
in
47 "lid -f %s/.id-utils.index -l %s -S newline" dir oo
in
48 Common.cmd_to_list
cmd
50 let rec loop = function
51 [] -> failwith
"bad and"
52 | [x
] -> interpret dir x
54 (match interpret dir x
with
57 let resxs = loop xs
in
58 Common.inter_set resx
resxs) in
59 (try loop l
with Out
-> [])
62 (function prev
-> function cur
->
63 Common.union_set
(interpret dir cur
) prev
)
65 | _
-> failwith
"not possible")