71 lines
1.5 KiB
Perl
71 lines
1.5 KiB
Perl
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#! /usr/local/bin/perl -w
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use Parse::RecDescent;
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#$RD_TRACE=1;
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#$RD_HINT=1;
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my $parser = Parse::RecDescent->new(<<'EOG') or die;
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list1N_c: term(s /,/)
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list1N_s: term(s /\/+/)
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list0N_c: term(s? /,/)
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list0N_s: term(s? /\/+/)
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list01_c: term(? /,/)
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list01_s: term(? /\/+/)
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list2_c: term(2 /,/)
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list2_s: term(2 /\/+/)
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list02_c: term(0..2 /,/)
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list02_s: term(0..2 /\/+/)
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list2N_c: term(2.. /,/)
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list2N_s: term(2.. /\/+/)
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list13_c: term(..3 /,/)
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list13_s: term(..3 /\/+/)
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term: 't'
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EOG
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while (<DATA>)
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{
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print;
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print "\tlist1N_c:\t", @{$parser->list1N_c($_)||['undef']}, "\n";
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print "\tlist1N_s:\t", @{$parser->list1N_s($_)||['undef']}, "\n";
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print "\tlist0N_c:\t", @{$parser->list0N_c($_)||['undef']}, "\n";
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print "\tlist0N_s:\t", @{$parser->list0N_s($_)||['undef']}, "\n";
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print "\tlist01_c:\t", @{$parser->list01_c($_)||['undef']}, "\n";
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print "\tlist01_s:\t", @{$parser->list01_s($_)||['undef']}, "\n";
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print "\tlist2_c:\t", @{$parser->list2_c($_)||['undef']}, "\n";
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print "\tlist2_s:\t", @{$parser->list2_s($_)||['undef']}, "\n";
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print "\tlist02_c:\t", @{$parser->list02_c($_)||['undef']}, "\n";
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print "\tlist02_s:\t", @{$parser->list02_s($_)||['undef']}, "\n";
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print "\tlist2N_c:\t", @{$parser->list2N_c($_)||['undef']}, "\n";
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print "\tlist2N_s:\t", @{$parser->list2N_s($_)||['undef']}, "\n";
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print "\tlist13_c:\t", @{$parser->list13_c($_)||['undef']}, "\n";
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print "\tlist13_s:\t", @{$parser->list13_s($_)||['undef']}, "\n";
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print "-----\n";
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}
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__DATA__
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t
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t,t
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t,t,t
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t,t,t,t
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t
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t/t
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t/t//t
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t/t///t/t
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