class visitor : object .. end
method process_gdecl : string -> gdecl -> bool
method process_fun : fid -> fundec -> bool
method process_fun_after : unit -> unit
method process_stmt : stmt -> bool
method process_fn : fn -> bool
method process_exp : exp -> bool
method process_lval : lval -> bool
method process_unop : unop -> unit
method process_binop : binop -> unit
method process_size_t : size_t -> unit
method process_length : length -> unit
method set_loc : location -> unit
method get_loc : unit -> location
method print_warning : string -> unit
method raise_error : string -> unit