GGE grammars! \o

$ cat examples/mygrammar 
use v6;

use GGE;

my $debug = False;

class MyGrammar is GGE::Grammar {
    GGE::Perl6Regex.new("<bar>",    :$debug, :grammar<MyGrammar>, :name<TOP>);
    GGE::Perl6Regex.new("'OH HAI'", :$debug, :grammar<MyGrammar>, :name<bar>);
}

my GGE::Match $match
    = MyGrammar.parse('this string contains "OH HAI" as a substring', :$debug);

say $match ?? $match.dump_str('mob', ' ', '') !! "No match\n";

$ alpha examples/mygrammar
mob: <OH HAI @ 22> 
mob<bar>: <OH HAI @ 22>