parsing_cocci/adjacency.ml

   1 (*
   2  * Copyright 2010, INRIA, University of Copenhagen
   3  * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix
   4  * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
   5  * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
   6  * This file is part of Coccinelle.
   7  *
   8  * Coccinelle is free software: you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation, according to version 2 of the License.
  11  *
  12  * Coccinelle is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Coccinelle.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  * The authors reserve the right to distribute this or future versions of
  21  * Coccinelle under other licenses.
  22  *)
  23
  24
  25 module Ast0 = Ast0_cocci
  26 module V0 = Visitor_ast0
  27 module VT0 = Visitor_ast0_types
  28
  29 let compute_adjacency p =
  30   let counter = ref 0 in
  31   let mcode (a,b,c,d,e,_) = (a,b,c,d,e,!counter) in
  32   let string_mcode ((str,_,info,mc,_,_) as x) =
  33     match str with
  34       "..." | "<..." | "...>" | "<+..." | "...+>" ->
  35         (match mc with
  36           Ast0.MINUS _ -> mcode x
  37         | Ast0.CONTEXT _ -> counter := !counter + 1; x
  38         | _ -> failwith "unexpected mcode for ...")
  39     | _ -> mcode x in
  40   let fn =
  41     V0.rebuilder
  42       {V0.rebuilder_functions with
  43         VT0.rebuilder_meta_mcode = mcode;
  44         VT0.rebuilder_string_mcode = string_mcode;
  45         VT0.rebuilder_const_mcode = mcode;
  46         VT0.rebuilder_assign_mcode = mcode;
  47         VT0.rebuilder_fix_mcode = mcode;
  48         VT0.rebuilder_unary_mcode = mcode;
  49         VT0.rebuilder_binary_mcode = mcode;
  50         VT0.rebuilder_cv_mcode = mcode;
  51         VT0.rebuilder_sign_mcode = mcode;
  52         VT0.rebuilder_struct_mcode = mcode;
  53         VT0.rebuilder_storage_mcode = mcode;
  54         VT0.rebuilder_inc_mcode = mcode;} in
  55   List.map fn.VT0.rebuilder_rec_top_level p
  56