/usr/share/doc/libparse-recdescent-perl/examples/demo_autostub.pl is in libparse-recdescent-perl 1.967013+dfsg-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | #!/usr/bin/perl -ws
# use strict;
use Parse::RecDescent;
print 1 if Parse::RecDescent->new(<<'EOGRAMMAR')->file(join "", <DATA>);
<autostub>
file: defn(s)
defn: 'def' ident ':' block
block: '{' item(s) '}'
EOGRAMMAR
__DATA__
def ident : { item item item }
|