(*
+ * Copyright 2012, INRIA
+ * Julia Lawall, Gilles Muller
+ * Copyright 2010-2011, INRIA, University of Copenhagen
+ * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix
* Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
* Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
* This file is part of Coccinelle.
*)
+# 0 "./lexer_script.mll"
{
open Parser_cocci_menhir
module D = Data
module Ast = Ast_cocci
exception Lexical of string
let tok = Lexing.lexeme
+let file = ref ""
+let language = ref ""
+let inc_line _ = Lexer_cocci.line := !Lexer_cocci.line + 1
}
(* ---------------------------------------------------------------------- *)
(* tokens *)
-let myrule = [^'"''@']+
+let oct = ['0'-'7']
+let hex = ['0'-'9' 'a'-'f' 'A'-'F']
+
+let myrule = [^'\'''"''@''/''\n''\r''\011''\012''('')']+
rule token = parse
- | myrule { TScriptData (tok lexbuf) }
+ | myrule { TScriptData (tok lexbuf) }
+ | '(' { TScriptData (tok lexbuf) }
+ | ')' { TScriptData (tok lexbuf) }
+ | ['\n' '\r' '\011' '\012']
+ { inc_line();
+ let text = tok lexbuf in
+ let text =
+ if !language = "ocaml"
+ then
+ Printf.sprintf "%s# %d \"%s\"%s"
+ text !Lexer_cocci.line !file text
+ else text in
+ TScriptData text }
| "@@" { TArobArob }
| "@" { TArob }
+ | "/" { TScriptData (tok lexbuf) }
| "//" [^ '\n']* { token lexbuf } (* skip SmPL comments *)
| '"' { TScriptData (Printf.sprintf "\"%s\"" (string lexbuf)) }
+ | "'" { TScriptData (Printf.sprintf "'%s'" (cstring lexbuf)) }
| eof { EOF }
| _ { raise (Lexical ("unrecognised symbol, in token rule:"^tok lexbuf)) }
(* These are C strings. Perhaps they require some adjustment. *)
and string = parse
| '"' { "" }
- | (_ as x) { Common.string_of_char x ^ string lexbuf }
- | ("\\" _) as x { x ^ string lexbuf }
+ | (_ as x) { (String.make 1 x) ^ string lexbuf }
+
+and cstring = parse
+ | "'" { "" }
+ | (_ as x) { (String.make 1 x) ^ cstring lexbuf }