Commit | Line | Data |
---|---|---|
f537ebc4 | 1 | (* |
17ba0788 C |
2 | * Copyright 2012, INRIA |
3 | * Julia Lawall, Gilles Muller | |
4 | * Copyright 2010-2011, INRIA, University of Copenhagen | |
f537ebc4 C |
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. | |
9 | * | |
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. | |
13 | * | |
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. | |
18 | * | |
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/>. | |
21 | * | |
22 | * The authors reserve the right to distribute this or future versions of | |
23 | * Coccinelle under other licenses. | |
24 | *) | |
25 | ||
26 | ||
feec80c3 | 27 | # 0 "./id_utils.ml" |
1eddfd50 C |
28 | (* evaluation of nested and and or using id-utils *) |
29 | ||
30 | module GC = Get_constants2 | |
31 | ||
32 | let evaluated = Hashtbl.create(100) | |
33 | ||
34 | exception Out | |
35 | ||
36 | let memoize exp vl = Hashtbl.add evaluated exp vl; vl | |
37 | ||
38 | let rec interpret dir exp = | |
39 | let res = try Some (Hashtbl.find evaluated exp) with Not_found -> None in | |
40 | match res with | |
41 | Some x -> x | |
42 | | None -> | |
43 | memoize exp | |
44 | (match exp with | |
45 | GC.Elem oo -> | |
46 | let cmd = | |
47 | Printf.sprintf | |
48 | "lid -f %s/.id-utils.index -l %s -S newline" dir oo in | |
49 | Common.cmd_to_list cmd | |
50 | | GC.And l -> | |
51 | let rec loop = function | |
52 | [] -> failwith "bad and" | |
53 | | [x] -> interpret dir x | |
54 | | x :: xs -> | |
55 | (match interpret dir x with | |
56 | [] -> raise Out | |
57 | | resx -> | |
58 | let resxs = loop xs in | |
59 | Common.inter_set resx resxs) in | |
60 | (try loop l with Out -> []) | |
61 | | GC.Or l -> | |
62 | List.fold_left | |
63 | (function prev -> function cur -> | |
64 | Common.union_set (interpret dir cur) prev) | |
65 | [] l | |
66 | | _ -> failwith "not possible") |