type error = [ | `Invalid_construct of Location.t| `Lexer of Location.t * Lexer.error| `Parser of Syntaxerr.error| `Syntax_error of Location.t| `Exn of exn ]exception Error of errorval loc_of_error : error -> Location.tReturns the location of the error. Loaction.none is returned when the location is unknown.
val format_error : Format.formatter -> error -> unitval from_lexbuf : ?source:string -> Lexing.lexbuf -> t listParsers. They are not re-entrant, since OCaml's lexer is not.
val from_channel : ?source:string -> in_channel -> t listval from_string : ?source:string -> string -> t listval from_function : ?source:string -> (bytes -> int -> int) -> t list