globals/regexp_pcre.ml

   1 (*
   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.
   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
  27
  28 type regexp =
  29     Pcre of Pcre.regexp
  30   | Str of Str.regexp
  31
  32 let pcre_support = ref true
  33
  34 let regexp string =
  35   if !pcre_support
  36   then Pcre (Pcre.regexp string)
  37   else Str (Str.regexp string)
  38
  39 let string_match regexp string =
  40   match regexp with
  41       Pcre regexp -> Pcre.pmatch ~rex:regexp string
  42     | Str regexp ->
  43       try
  44         ignore(Str.search_forward regexp string 0);
  45         true
  46       with _ -> false