diff --git a/tools/lint/lint.ml b/tools/lint/lint.ml
index 7a03c753d26af257a2ae3e227746d4aa15d8e460..47212f9c670e37f9db146994ca4452401e24030b 100644
--- a/tools/lint/lint.ml
+++ b/tools/lint/lint.ml
@@ -22,6 +22,23 @@
open CamomileLibrary
+(**************************************************************************)
+(* Warning/Error *)
+
+let strict = ref false
+
+let res = ref true (* impact the exit value *)
+
+let warn ftext =
+ if !strict then
+ res := false ;
+ Format.eprintf "Warning: ";
+ Format.eprintf ftext
+
+let error ftext =
+ res := false ;
+ Format.eprintf ftext
+
(**************************************************************************)
(* Utils *)
@@ -91,7 +108,7 @@ let parse_indent_formatter ~file ~attr ~value = match value with
| "ocp-indent" -> Check (Some ml_indent_formatter)
| "clang-format" -> Check (Some (Tool c_indent_formatter))
| "black" -> Check (Some (Tool python_indent_formatter))
- | _ -> Format.eprintf "Unsupported indent formatter: %s %s=%s@."
+ | _ -> warn "Unsupported indent formatter: %s %s=%s@."
file attr value;
NoCheck
@@ -116,7 +133,7 @@ let add_attr ~file ~attr ~value checks =
let is_set = function
| "set" -> true
| "unset" -> false
- | _ -> failwith (Format.sprintf "Invalid attribute value: %s %s=%s" file attr value)
+ | _ -> warn "Invalid attribute value: %s %s=%s" file attr value ; false
in
match attr with
| "check-eoleof" -> { checks with eoleof = is_set value }
@@ -124,7 +141,8 @@ let add_attr ~file ~attr ~value checks =
| "check-utf8" -> { checks with utf8 = is_set value }
| "check-indent" -> { checks with
indent = parse_indent_formatter ~file ~attr ~value }
- | _ -> failwith (Format.sprintf "Unknown attribute: %s %s=%s" file attr value)
+ | _ -> warn "Unknown attribute: %s %s=%s" file attr value;
+ checks
let handled_attr s =
s = "check-eoleof" || s = "check-indent" ||
@@ -150,8 +168,8 @@ let rec collect = function
Hashtbl.replace table file (add_attr ~file ~attr ~value checks) ;
collect tl
| [] -> ()
- | [ file ; attr ] -> Format.eprintf "Missing attribute value: %s %s=?@." file attr
- | [ file ] -> Format.eprintf "Missing attribute name for file: %s@." file
+ | [ file ; attr ] -> warn "Missing attribute value: %s %s=?@." file attr
+ | [ file ] -> warn "Missing attribute name for file: %s@." file
(**************************************************************************)
(* Functions used to check lint *)
@@ -236,7 +254,7 @@ let config () =
(fun stx ->
try Approx_lexer.enable_extension stx
with IndentExtend.Syntax_not_found name ->
- Format.eprintf "Warning: unknown syntax extension %S@." name)
+ warn "Unknown syntax extension %S@." name)
syntaxes ;
global_config := Some config ;
config
@@ -277,7 +295,7 @@ let is_formatter_available ~file indent_formatter =
let is_available = (0 = Sys.command indent_formatter.available_cmd) in
indent_formatter.is_available <- Some is_available ;
if not is_available then
- Format.eprintf "Warning: %s is unavailable for checking some %s files (i.e. %s)@."
+ warn "%s is unavailable for checking indentation of some %s files (i.e. %s)@."
indent_formatter.name indent_formatter.kind file;
is_available
| Some is_available -> is_available
@@ -303,8 +321,6 @@ let check_indent ~indent_formatter ~update file =
0 = Sys.command (Format.sprintf "%s \"%s\"" indent_formatter.update_cmd file)
else true (* there no updating command *)
-let res = ref true
-
(* Main checks *)
let check ~verbose ~update file params =
@@ -317,10 +333,8 @@ let check ~verbose ~update file params =
close_in in_chan ;
(* UTF8 *)
if params.utf8 then
- if not @@ is_utf8 content then begin
- Format.eprintf "Bad encoding (not UTF8) for %s@." file ;
- res := false
- end ;
+ if not @@ is_utf8 content then
+ error "Bad encoding (not UTF8) for %s@." file ;
(* Blanks *)
let rewrite = ref false in
let syntactic_check checker content message =
@@ -328,8 +342,8 @@ let check ~verbose ~update file params =
if update && not was_ok
then begin rewrite := true ; new_content end
else if not was_ok then begin
- Format.eprintf "%s for %s@." message file ;
- res := false ; new_content
+ error "%s for %s@." message file ;
+ new_content
end
else new_content
in
@@ -354,14 +368,11 @@ let check ~verbose ~update file params =
match params.indent with
| NoCheck -> ()
| Check indent_formatter ->
- if not @@ check_indent ~indent_formatter ~update file then begin
- Format.eprintf "Bad indentation for %s@." file ;
- res := false
- end ;
+ if not @@ check_indent ~indent_formatter ~update file then
+ error "Bad indentation for %s@." file ;
end ;
with Bad_ext ->
- Format.eprintf "Don't know how to (check) indent %s@." file ;
- res := false
+ error "Don't know how to (check) indent %s@." file
end
(**************************************************************************)
@@ -374,6 +385,7 @@ let verbose = ref false
let argspec = [
"-u", Arg.Set update, " update ill-formed files (does not handle UTF8 update)" ;
"-v", Arg.Set verbose, " verbose mode" ;
+ "-s", Arg.Set strict, " considers warnings as errors for the exit value" ;
]
let sort argspec =
List.sort (fun (name1, _, _) (name2, _, _) -> String.compare name1 name2)
@@ -385,7 +397,7 @@ let sort argspec =
let () =
Arg.parse
(Arg.align (sort argspec))
- (fun s -> Format.eprintf "Unknown argument: %s" s)
+ (fun s -> warn "Unknown argument: %s@." s)
("Usage: git ls-files -z | git check-attr --stdin -z -a | " ^ exec_name ^ " [options]");
collect @@ lines_from_in stdin ;
Hashtbl.iter (check ~verbose:!verbose ~update:!update) table ;