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Show supported languages when invalid language given

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Pragmatic Software 2015-01-15 21:20:34 -08:00
parent b3081b9e9f
commit ac8dadb7f7
1 changed files with 16 additions and 1 deletions
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17
modules/compiler_vm/compiler_vm_client.pl
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@ -3,6 +3,8 @@
use warnings;
use strict;
use File::Basename;
my $language = shift @ARGV // 'c11';
$language = lc $language;
@ -11,7 +13,20 @@ eval {
require "$language.pm";
} or do {
print "Language '$language' is not supported.\n";
die $@;
my @languages = glob 'languages/*.pm';
my $comma = '';
print "Supported languages are: ";
foreach my $lang (sort @languages) {
$lang = basename($lang);
next if $lang =~ m/^_/;
$lang =~ s/\.pm$//;
print "$comma$lang";
$comma = ', ';
}
print "\n";
exit;
};
my $nick = shift @ARGV // (print "Missing nick argument.\n" and die);