let regexp paren = [ '(' '[' '{' ')' ']' '}' ]
let regexp implicit = '?'
let regexp symbol_char =
- [^ 'a' - 'z' 'A' - 'Z' '0' - '9' ' ' '\t' '\n' '\\' '(' '[' '{' ')' ']' '}' ]
-
+ [^ 'a' - 'z' 'A' - 'Z' '0' - '9'
+ ' ' '\t' '\n'
+ '\\' '(' '[' '{' ')' ']' '}' '?'
+ ]
+let regexp comment_char = [^ '\n' ]
+let regexp comment = "%%" comment_char*
let regexp blanks = blank+
let regexp num = digit+
let regexp tex_token = '\\' alpha+
let regexp meta = implicit num
let regexp qstring = '"' [^ '"']* '"'
let regexp uri =
- (* schema *) (* path *) (* ext *) (* xpointer *)
- ("cic:/" | "theory:/") ident ('/' ident)* ('.' ident)+ ('#' num ('/' num)*)?
+ ("cic:/" | "theory:/") (* schema *)
+ ident ('/' ident)* (* path *)
+ ('.' ident)+ (* ext *)
+ ("#xpointer(" num ('/' num)+ ")")? (* xpointer *)
(* let regexp catchall = .* *)
let keywords = Hashtbl.create 17
return lexbuf ("SYMBOL", Utf8Macro.expand macro)
with Utf8Macro.Macro_not_found _ ->
return lexbuf ("SYMBOL", Ulexing.utf8_lexeme lexbuf))
+ | comment ->
+ let comment =
+ Ulexing.utf8_sub_lexeme lexbuf 2 (Ulexing.lexeme_length lexbuf - 2)
+ in
+ return lexbuf ("COMMENT", comment)
| eof -> return lexbuf ("EOI", "")
| _ -> error lexbuf "Invalid character"