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(*
* Copyright (c) 2017-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*)
open! IStd
module F = Format
type error = ExternalError | InternalError | UserError
exception InferExternalError of string
exception InferInternalError of string
exception InferUserError of string
exception InferExit of int
let raise_error error ~msg =
match error with
| ExternalError ->
raise (InferExternalError msg)
| InternalError ->
raise (InferInternalError msg)
| UserError ->
raise (InferUserError msg)
let log_uncaught_exception_callback_ref = ref (fun _ ~exitcode:_ -> ())
let set_log_uncaught_exception_callback fn = log_uncaught_exception_callback_ref := fn
let log_uncaught_exception exn ~exitcode = !log_uncaught_exception_callback_ref exn ~exitcode
let die error fmt = F.kasprintf (fun msg -> raise_error error ~msg) fmt
let exit exitcode = raise (InferExit exitcode)
let exit_code_of_exception = function
| InferUserError _ ->
1
| InferExternalError _ ->
3
| InferInternalError _ ->
4
| InferExit exitcode ->
exitcode
| _ ->
(* exit code 2 is used by the OCaml runtime in cases of uncaught exceptions *) 2
type style = Error | Fatal | Normal | Warning
let term_styles_of_style = function
| Error ->
ANSITerminal.[Foreground Red]
| Fatal ->
ANSITerminal.[Bold; Foreground Red]
| Normal ->
[ANSITerminal.default]
| Warning ->
ANSITerminal.[Foreground Yellow]