parsing_cocci/lexer_script.mll

   1 (*
   2  * Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen
   3  * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
   4  * This file is part of Coccinelle.
   5  *
   6  * Coccinelle is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, according to version 2 of the License.
   9  *
  10  * Coccinelle is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with Coccinelle.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * The authors reserve the right to distribute this or future versions of
  19  * Coccinelle under other licenses.
  20  *)
  21
  22
  23 (*
  24  * Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen
  25  * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
  26  * This file is part of Coccinelle.
  27  *
  28  * Coccinelle is free software: you can redistribute it and/or modify
  29  * it under the terms of the GNU General Public License as published by
  30  * the Free Software Foundation, according to version 2 of the License.
  31  *
  32  * Coccinelle is distributed in the hope that it will be useful,
  33  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  34  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  35  * GNU General Public License for more details.
  36  *
  37  * You should have received a copy of the GNU General Public License
  38  * along with Coccinelle.  If not, see <http://www.gnu.org/licenses/>.
  39  *
  40  * The authors reserve the right to distribute this or future versions of
  41  * Coccinelle under other licenses.
  42  *)
  43
  44
  45 {
  46 open Parser_cocci_menhir
  47 module D = Data
  48 module Ast = Ast_cocci
  49 exception Lexical of string
  50 let tok = Lexing.lexeme
  51 let inc_line _ = Lexer_cocci.line := !Lexer_cocci.line + 1
  52 }
  53 (* ---------------------------------------------------------------------- *)
  54 (* tokens *)
  55
  56 let myrule = [^'"''@''/''\n''\r''\011''\012']+
  57
  58 rule token = parse
  59   | myrule { TScriptData (tok lexbuf) }
  60   | ['\n' '\r' '\011' '\012'] { inc_line(); TScriptData (tok lexbuf) }
  61   | "@@" { TArobArob }
  62   | "@"  { TArob }
  63   | "/"  { TScriptData (tok lexbuf) }
  64   | "//" [^ '\n']* { token lexbuf } (* skip SmPL comments *)
  65   | '"'  { TScriptData (Printf.sprintf "\"%s\"" (string lexbuf)) }
  66   | eof  { EOF }
  67   | _ { raise (Lexical ("unrecognised symbol, in token rule:"^tok lexbuf)) }
  68
  69 (* These are C strings.  Perhaps they require some adjustment. *)
  70 and string  = parse
  71   | '"'                 { "" }
  72   | (_ as x)            { Common.string_of_char x ^ string lexbuf }
  73   | ("\\" _) as x       { x ^ string lexbuf }