`sig
type token = token
type production
type 'a env
type 'a checkpoint = private
InputNeeded of 'a env
| Shifting of 'a env * 'a env * bool
| AboutToReduce of 'a env * production
| HandlingError of 'a env
| Accepted of 'a
| Rejected
val offer :
'a checkpoint ->
token * CamlinternalMenhirLib.IncrementalEngine.position *
CamlinternalMenhirLib.IncrementalEngine.position -> 'a checkpoint
val resume : 'a checkpoint -> 'a checkpoint
type supplier =
unit ->
token * CamlinternalMenhirLib.IncrementalEngine.position *
CamlinternalMenhirLib.IncrementalEngine.position
val lexer_lexbuf_to_supplier :
(Lexing.lexbuf -> token) -> Lexing.lexbuf -> supplier
val loop : supplier -> 'a checkpoint -> 'a
val loop_handle :
('a -> 'answer) ->
('a checkpoint -> 'answer) -> supplier -> 'a checkpoint -> 'answer
val loop_handle_undo :
('a -> 'answer) ->
('a checkpoint -> 'a checkpoint -> 'answer) ->
supplier -> 'a checkpoint -> 'answer
val shifts : 'a checkpoint -> 'a env option
val acceptable :
'a checkpoint ->
token -> CamlinternalMenhirLib.IncrementalEngine.position -> bool
type 'a lr1state
val number : 'a lr1state -> int
val production_index : production -> int
val find_production : int -> production
type element =
Element : 'a lr1state * 'a *
CamlinternalMenhirLib.IncrementalEngine.position *
CamlinternalMenhirLib.IncrementalEngine.position -> element
type stack = element CamlinternalMenhirLib.General.stream
val stack : 'a env -> stack
val top : 'a env -> element option
val pop_many : int -> 'a env -> 'a env option
val get : int -> 'a env -> element option
val current_state_number : 'a env -> int
val equal : 'a env -> 'a env -> bool
val positions :
'a env ->
CamlinternalMenhirLib.IncrementalEngine.position *
CamlinternalMenhirLib.IncrementalEngine.position
val env_has_default_reduction : 'a env -> bool
val state_has_default_reduction : 'a lr1state -> bool
val pop : 'a env -> 'a env option
val force_reduction : production -> 'a env -> 'a env
val input_needed : 'a env -> 'a checkpoint
end`