X-Git-Url: https://git.hcoop.net/bpt/coccinelle.git/blobdiff_plain/90aeb998d88488b4402e7b211b064056d175fcbb..f537ebc4bbd27866c9ac3e1198b6756ebab7f2ba:/parsing_cocci/lexer_script.mll

diff --git a/parsing_cocci/lexer_script.mll b/parsing_cocci/lexer_script.mll
index 5426f9c..d731460 100644
--- a/parsing_cocci/lexer_script.mll
+++ b/parsing_cocci/lexer_script.mll
@@ -33,7 +33,10 @@ let inc_line _ = Lexer_cocci.line := !Lexer_cocci.line + 1
 (* ---------------------------------------------------------------------- *)
 (* tokens *)
 
-let myrule = [^'"''@''/''\n''\r''\011''\012']+
+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) }
@@ -43,6 +46,7 @@ rule token = parse
   | "/"  { TScriptData (tok lexbuf) }
   | "//" [^ '\n']* { token lexbuf } (* skip SmPL comments *)
   | '"'  { TScriptData (Printf.sprintf "\"%s\"" (string lexbuf)) }
+  | "'"  { TScriptData (Printf.sprintf "'%s'" (char lexbuf)) }
   | eof  { EOF }
   | _ { raise (Lexical ("unrecognised symbol, in token rule:"^tok lexbuf)) }
 
@@ -51,3 +55,9 @@ and string  = parse
   | '"'                 { "" }
   | (_ as x)            { Common.string_of_char x ^ string lexbuf }
   | ("\\" _) as x       { x ^ string lexbuf }
+
+and char = parse
+  | (_ as x) "'"                                     { String.make 1 x }
+  | (("\\" (oct | oct oct | oct oct oct)) as x  "'") { x }
+  | (("\\x" (hex | hex hex)) as x  "'")       { x }
+  | (("\\" _ ) as x "'") { x }