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type t
val from_lexbuf : Sedlexing.lexbuf -> t
(** Create a new buffer *)
val start : t -> unit
(** Intialize a new run *)
val buffer : t -> Sedlexing.lexbuf
(** Extract the sedlex buffer. Required in each rule. *)
val positions : t -> Lexing.position * Lexing.position
(** Extract the starting and ending position for the matched token *)
val content : t -> string
(** Extract the token matched by the rule *)
val set_start_position : t -> Lexing.position -> unit
val tokenize : (t -> 'a) -> t -> unit -> 'a * Lexing.position * Lexing.position
val incr_level : t -> unit
val decr_level : t -> unit
val reset_level : t -> unit
val level : t -> int
(** Return the nested expression level *)
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