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use v6;
# use Grammar::Tracer;
grammar IRC::Grammar:ver<1.001001> {
token TOP { [ <message> \n ] }
token message { [':' <prefix> ' '+ ]? <command> <params> }
token prefix { <servername> | <nick> ['!' <user>]? ['@' <host> ]? }
token command { <letter>+ | <number>**3 }
token params { ' '* [ ':' <trailing> | <middle> <params> ]? }
token middle { <-[: \0\r\n]> <-[ \0\r\n]>+ }
token trailing { <-[\0\r\n]>+ }
token target { <to> [ ',' <target> ]? }
token to { <channel> | <user> '@' <servername> | <nick> | <mask> }
token channel { ['#' | '&'] <chstring> }
token servername { <host> }
token host { \S+ }# see RFC 952 [DNS:4] for allowed hostnames
token nick { <letter> [ <letter> | <number> | <special> ]+ }
token mask { <[#$]> <chstring> }
token chstring { <-[ \a\0\r\l,]> }
token user { <-[ \0\r\l]>+ }
token letter { <[a..zA..Z]> }
token number { <[0..9]> }
token special { <[-\[\]\\`^{}]> }
}
class IRC::Grammar::Actions {
# method class ($/) { $/.make: ~$/ }
# method rules ($/) { $/.make: ~$/ }
# method pair ($/) { $/.make: $<class>.made => $<rules>.made }
# method command ($/) { $/.make: $<command> }
method message ($/) { $/.make: 42 }
method TOP ($/) { $/.make: $<message>».made; } #$<message>».made }
# }
}
my $res = IRC::Grammar.parse(":verne.freenode.net 372 Perl6IRC :- running for their sustained support.\r\n", :actions(IRC::Grammar::Actions)).made;
say $res;
# say $res<command>;
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