exception ALParserInvariantViolationException of stringRaised when the parser encounters a violation of a certain invariant
exception ALFileException of exc_infoRaised when any exception from the lexer/parser of AL is caught, to include source-location info
val create_exc_info : string ‑> Lexing.lexbuf ‑> exc_infoval json_of_exc_info : exc_info ‑> Yojson.Basic.json