show missing argument error only for last flag

closes #6483
This commit is contained in:
Johannes Altmanninger 2020-01-08 14:59:26 +01:00
parent 0e707b88f0
commit fdf398e435
5 changed files with 8 additions and 6 deletions

View file

@ -179,7 +179,7 @@ void builtin_unknown_option(parser_t &parser, io_streams_t &streams, const wchar
/// Perform error reporting for encounter with missing argument.
void builtin_missing_argument(parser_t &parser, io_streams_t &streams, const wchar_t *cmd,
const wchar_t *opt) {
streams.err.append_format(BUILTIN_ERR_MISSING, cmd, opt);
streams.err.append_format(BUILTIN_ERR_MISSING, cmd, opt + std::wcslen(opt) - 1);
builtin_print_error_trailer(parser, streams.err, cmd);
}

View file

@ -550,7 +550,8 @@ static int argparse_parse_flags(parser_t &parser, argparse_cmd_opts_t &opts,
wgetopter_t w;
while ((opt = w.wgetopt_long(argc, argv, short_options, long_options, &long_idx)) != -1) {
if (opt == ':') {
streams.err.append_format(BUILTIN_ERR_MISSING, cmd, argv[w.woptind - 1]);
const wchar_t *arg = argv[w.woptind - 1];
streams.err.append_format(BUILTIN_ERR_MISSING, cmd, arg + std::wcslen(arg) - 1);
return STATUS_INVALID_ARGS;
} else if (opt == '?') {
// It's not a recognized flag. See if it's an implicit int flag.

View file

@ -458,7 +458,8 @@ static int parse_opts(options_t *opts, int *optind, int n_req_args, int argc, wc
int retval = fn->second(argv, parser, streams, w, opts);
if (retval != STATUS_CMD_OK) return retval;
} else if (opt == ':') {
string_error(streams, BUILTIN_ERR_MISSING, cmd, argv[w.woptind - 1]);
const wchar_t *arg = argv[w.woptind - 1];
string_error(streams, BUILTIN_ERR_MISSING, cmd, arg + std::wcslen(arg) - 1);
return STATUS_INVALID_ARGS;
} else if (opt == '?') {
string_unknown_option(parser, streams, cmd, argv[w.woptind - 1]);

View file

@ -305,5 +305,5 @@ begin
end
# #6483 - error messages for missing arguments
argparse -n foo r/required= -- foo -r
# CHECKERR: foo: Expected argument for option -r
argparse -n foo q r/required= -- foo -qr
# CHECKERR: foo: Expected argument for option r

View file

@ -330,7 +330,7 @@ echo "stdin" | string repeat -n1 "and arg"; and echo "exit 0"
# CHECKERR: string repeat: Too many arguments
string repeat -n; and echo "exit 0"
# CHECKERR: string repeat: Expected argument for option -n
# CHECKERR: string repeat: Expected argument for option n
# FIXME: Also triggers usage
# string repeat -l fakearg