Module Lexer

module Lexer: sig .. end
val init : unit -> unit
val token : Lexing.lexbuf -> Parser.token
val skip_hash_bang : Lexing.lexbuf -> unit
type error =
| Illegal_character of char
| Illegal_escape of string
| Unterminated_comment of Location.t
| Unterminated_string
| Unterminated_string_in_comment of Location.t * Location.t
| Keyword_as_label of string
| Invalid_literal of string
| Invalid_directive of string * string option 
exception Error of error * Location.t
val report_error : Format.formatter -> error -> unit
val in_comment : unit -> bool
val in_string : unit -> bool
val print_warnings : bool ref
val handle_docstrings : bool ref
val comments : unit -> (string * Location.t) list
val token_with_comments : Lexing.lexbuf -> Parser.token
val set_preprocessor : (unit -> unit) ->
       ((Lexing.lexbuf -> Parser.token) -> Lexing.lexbuf -> Parser.token) -> unit
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