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let log = Logging.errors_log
let meta_to_string (meta : Meta.meta) =
let span = meta.span in
let file = match span.file with Virtual s | Local s -> s in
let loc_to_string (l : Meta.loc) : string =
string_of_int l.line ^ ":" ^ string_of_int l.col
in
"Source: '" ^ file ^ "', lines " ^ loc_to_string span.beg_loc ^ "-"
^ loc_to_string span.end_loc
let format_error_message (meta : Meta.meta option) (msg : string) =
let meta =
match meta with None -> "" | Some meta -> "\n" ^ meta_to_string meta
in
msg ^ meta
let format_error_message_with_file_line (file : string) (line : int)
(meta : Meta.meta option) (msg : string) =
"In file " ^ file ^ ", line " ^ string_of_int line ^ ":\n"
^ format_error_message meta msg
exception CFailure of (Meta.meta option * string)
let error_list : (Meta.meta option * string) list ref = ref []
let push_error (meta : Meta.meta option) (msg : string) =
error_list := (meta, msg) :: !error_list
(** Register an error, and throw an exception if [throw] is true *)
let save_error (file : string) (line : int) ?(throw : bool = false)
(meta : Meta.meta option) (msg : string) =
push_error meta msg;
if !Config.fail_hard && throw then (
let msg = format_error_message_with_file_line file line meta msg in
log#serror (msg ^ "\n");
raise (Failure msg))
let craise_opt_meta (file : string) (line : int) (meta : Meta.meta option)
(msg : string) =
if !Config.fail_hard then (
let msg = format_error_message_with_file_line file line meta msg in
log#serror (msg ^ "\n");
raise (Failure (format_error_message_with_file_line file line meta msg)))
else
let () = push_error meta msg in
raise (CFailure (meta, msg))
let craise (file : string) (line : int) (meta : Meta.meta) (msg : string) =
craise_opt_meta file line (Some meta) msg
let cassert_opt_meta (file : string) (line : int) (b : bool)
(meta : Meta.meta option) (msg : string) =
if not b then craise_opt_meta file line meta msg
let cassert (file : string) (line : int) (b : bool) (meta : Meta.meta)
(msg : string) =
cassert_opt_meta file line b (Some meta) msg
let sanity_check (file : string) (line : int) b meta =
cassert file line b meta "Internal error, please file an issue"
let sanity_check_opt_meta (file : string) (line : int) b meta =
cassert_opt_meta file line b meta "Internal error, please file an issue"
let internal_error (file : string) (line : int) meta =
craise file line meta "Internal error, please file an issue"
let exec_raise = craise
let exec_assert = cassert
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