module Syntaxerr: sig .. end
type error = 
| | | Unclosed of Location.t * string * Location.t * string | 
| | | Expecting of Location.t * string | 
| | | Not_expecting of Location.t * string | 
| | | Applicative_path of Location.t | 
| | | Variable_in_scope of Location.t * string | 
| | | Other of Location.t | 
| | | Ill_formed_ast of Location.t * string | 
exception Error(error);
exception Escape_error;
let report_error: (Format.formatter, error) => unit;
let location_of_error: error => Location.t;
let ill_formed_ast: (Location.t, string) => 'a;