1 files changed, 12 insertions, 1 deletions
diff --git a/lib/lexbuf.mli b/lib/lexbuf.mli
index cf93c7e..b058f3c 100644
--- a/lib/lexbuf.mli
+++ b/lib/lexbuf.mli
@@ -1,8 +1,19 @@
 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
-val from_lexbuf : Sedlexing.lexbuf -> t
+(** 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