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(*
* This file is part of Coccinelle, licensed under the terms of the GPL v2.
* See copyright.txt in the Coccinelle source code for more information.
* The Coccinelle source code can be obtained at http://coccinelle.lip6.fr
*)
{
open Parser_cocci_menhir
module D = Data
module Ast = Ast_cocci
exception Lexical of string
let tok = Lexing.lexeme
let language = ref ""
let inc_line _ = Lexer_cocci.line := !Lexer_cocci.line + 1
let in_comment = ref false
}
(* ---------------------------------------------------------------------- *)
(* tokens *)
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) }
| '(' { 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 !Lexer_cocci.file text
else text in
TScriptData text }
| "@@" { TArobArob }
| "@" { TArob }
| "/" { TScriptData (tok lexbuf) }
| "//" [^ '\n']* { token lexbuf } (* skip SmPL comments *)
| "#" [^ '\n']* { token lexbuf } (* skip python comments *)
(* detect ocaml comments *)
| "(*" { in_comment := true; TScriptData (tok lexbuf) }
| "*)" { in_comment := false; TScriptData (tok lexbuf) }
| '"' { TScriptData (Printf.sprintf "\"%s\"" (string lexbuf)) }
| "'" { if !in_comment
then TScriptData (tok lexbuf)
else 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
| '"' { "" }
| "\\\"" { "\\\"" ^ string lexbuf }
| (_ as x) { (String.make 1 x) ^ string lexbuf }
and cstring = parse
| "'" { "" }
| (_ as x) { (String.make 1 x) ^ cstring lexbuf }
|
