MachOOptTable parser;
InputArgList args = parser.parse(argsArr.slice(1));
+ errorHandler().errorLimitExceededMsg =
+ "too many errors emitted, stopping now "
+ "(use --error-limit=0 to see all errors)";
+ errorHandler().errorLimit = args::getInteger(args, OPT_error_limit_eq, 20);
+
if (args.hasArg(OPT_help_hidden)) {
parser.printHelp(argsArr[0], /*showHidden=*/true);
return true;
def help_hidden : Flag<["--"], "help-hidden">,
HelpText<"Display help for hidden options">,
Group<grp_lld>;
+def error_limit_eq : Joined<["--"], "error-limit=">,
+ HelpText<"Maximum number of errors to print before exiting (default: 20)">,
+ Group<grp_lld>;
def color_diagnostics: Flag<["--"], "color-diagnostics">,
HelpText<"Alias for --color-diagnostics=always">,
Group<grp_lld>;
--- /dev/null
+## Check that we only see 20 (the default error-limit) "cannot open" errors
+RUN: not %lld A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 2>&1 | \
+RUN: FileCheck -check-prefix=DEFAULT %s
+
+DEFAULT: cannot open A:
+DEFAULT: cannot open T:
+DEFAULT-NOT: cannot open U:
+DEFAULT-NEXT: too many errors emitted, stopping now (use --error-limit=0 to see all errors)
+
+## Check that we only see 5 "cannot open" errors when --error-limit=5
+RUN: not %lld --error-limit=5 A B C D E F G H I J 2>&1 \
+RUN: | FileCheck -check-prefix=LIMIT5 %s
+
+LIMIT5: cannot open A:
+LIMIT5: cannot open E:
+LIMIT5-NOT: cannot open F:
+LIMIT5-NEXT: too many errors emitted, stopping now (use --error-limit=0 to see all errors)
+
+## Check that we see all "cannot open" errors when --error-limit=0 (unimited)
+RUN: not %lld --error-limit=0 A B C D E F G H I J K L M N O P Q R S T U V W 2>&1 | \
+RUN: FileCheck -check-prefix=UNLIMITED %s
+
+UNLIMITED: cannot open A:
+UNLIMITED: cannot open T:
+UNLIMITED: cannot open U:
+UNLIMITED: cannot open V:
+UNLIMITED: cannot open W:
+UNLIMITED-NOT: too many errors emitted, stopping now (use --error-limit=0 to see all errors)