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|
(**************************************************************************)
(* Copyright © 2009-2013 Stéphane Glondu <steph@glondu.net> *)
(* © 2010-2013 Mehdi Dogguy <mehdi@dogguy.org> *)
(* *)
(* This program is free software: you can redistribute it and/or modify *)
(* it under the terms of the GNU Affero General Public License as *)
(* published by the Free Software Foundation, either version 3 of the *)
(* License, or (at your option) any later version, with the additional *)
(* exemption that compiling, linking, and/or using OpenSSL is allowed. *)
(* *)
(* This program is distributed in the hope that it will be useful, but *)
(* WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *)
(* Affero General Public License for more details. *)
(* *)
(* You should have received a copy of the GNU Affero General Public *)
(* License along with this program. If not, see *)
(* <http://www.gnu.org/licenses/>. *)
(**************************************************************************)
open Printf
type error =
| Illegal_escape of char
| Unknown_error of exn
| Nothing_to_download
| Curl_error of int
| Unexpected_char of string * char * int * int
| Bad_marshalled_data of string
| Unknown_command of string
| Unknown_output_format of string
| Unknown_input_format of string
| Unexpected_expression of string
| Missing_configuration_file
| Error_in_configuration_file of string
| Missing_configuration_item of string
| Unknown_configuration_item of string
| Parsing_error of string * int * int
| Template_not_found of string
| Dynlink_error of Dynlink.error
exception Error of error
let string_of_error = function
| Illegal_escape c ->
sprintf "illegal escape of %C" c
| Unknown_error e ->
sprintf "unexpected error: %s" (Printexc.to_string e)
| Curl_error r ->
sprintf "curl exited with return code %d" r
| Nothing_to_download ->
sprintf "nothing to download"
| Unexpected_char (file, c, line, column) ->
sprintf
"unexpected char %C in file %S, line %d, position %d"
c file line column
| Bad_marshalled_data s ->
sprintf "bad marshalled data in %s" s
| Unknown_command s ->
sprintf "unknown command: %s" s
| Unknown_output_format s ->
sprintf "unknown output format: %s" s
| Unknown_input_format s ->
sprintf "unknown input format: %s" s
| Unexpected_expression s ->
sprintf "unexpected expression: %s" s
| Missing_configuration_file ->
sprintf "No configuration file has been specified"
| Error_in_configuration_file s ->
sprintf "error in configuration file: %s" s
| Missing_configuration_item s ->
sprintf "missing configuration item: %s" s
| Unknown_configuration_item s ->
sprintf "unknown configuration item: %s" s
| Parsing_error (file, line, column) ->
sprintf
"parse error in file %S, line %d, character %d"
file line column
| Template_not_found name ->
sprintf "template %s not found" name
| Dynlink_error e ->
sprintf "Dynlink error: %s" (Dynlink.error_message e)
let () =
Printexc.register_printer
(function
| Error exn -> Some ("ben-specific error: " ^ (string_of_error exn))
| _ -> None
)
let raise e = Pervasives.raise (Error e)
let warn e = Printf.eprintf "W: %s\n%!" (string_of_error e)
let warn_exn msg e =
Printf.eprintf "W: %s: %s\n%!" msg (Printexc.to_string e)
let error_exn msg e =
Printf.eprintf "E: %s: %s\n" msg (Printexc.to_string e);
Printexc.print_backtrace stderr
|
