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use v6;
use Test;
=begin pod
This file was derived from the perl5 CPAN module Perl6::Rules,
version 0.3 (12 Apr 2004), file t/subrule.t.
It has (hopefully) been, and should continue to be, updated to
be valid perl6.
=end pod
plan 46;
# L<S05/Match objects/When used as a hash>
my regex abc {abc}
my regex once {<&abc>}
ok("abcabcabcabcd" ~~ m/<&once>/, 'Once match');
ok($/, 'Once matched');
is(~$/, "abc", 'Once matched');
ok(@($/) == 0, 'Once no array capture');
ok(%($/).keys == 0, 'Once no hash capture');
my regex rep {<&abc>**4}
ok("abcabcabcabcd" ~~ m/<&rep>/, 'Rep match');
ok($/, 'Rep matched');
is(~$/, "abcabcabcabc", 'Rep matched');
ok(@($/) == 0, 'Rep no array capture');
ok(%($/).keys == 0, 'Rep no hash capture');
my regex cap {<abc=&abc>}
ok("abcabcabcabcd" ~~ m/<cap=&cap>/, 'Cap match');
ok($/, 'Cap matched');
is(~$/, "abc", 'Cap zero matched');
is(~$/<cap>, "abc", 'Cap captured');
is(~$/<cap><abc>, "abc", 'Cap abc captured');
ok(@($/) == 0, 'Cap no array capture');
ok(%($/).keys == 1, 'Cap hash capture');
my regex repcap {<abc=&abc>**4}
ok("abcabcabcabcd" ~~ m/<repcap=&repcap>/, 'Repcap match');
ok($/, 'Repcap matched');
is(~$/, "abcabcabcabc", 'Repcap matched');
is(~$/<repcap>, "abcabcabcabc", 'Repcap captured');
is(~$/<repcap><abc>[0], "abc", 'Repcap abc zero captured');
is(~$/<repcap><abc>[1], "abc", 'Repcap abc one captured');
is(~$/<repcap><abc>[2], "abc", 'Repcap abc two captured');
is(~$/<repcap><abc>[3], "abc", 'Repcap abc three captured');
ok(@($/) == 0, 'Repcap no array capture');
my regex caprep {(<&abc>**4)}
ok("abcabcabcabcd" ~~ m/<caprep=&caprep>/, 'Caprep match');
ok($/, 'Caprep matched');
is(~$/, "abcabcabcabc", 'Caprep matched');
is(~$/<caprep>, "abcabcabcabc", 'Caprep captured');
is(~$/<caprep>[0], "abcabcabcabc", 'Caprep abc one captured');
# RT #76892
{
nok 'abc' !~~ /<alpha>(.)/, 'unsuccessful non-match';
is $0, 'b', 'failed !~~ still makes $0 available';
is $<alpha>, 'a', 'failed !~~ still makes $<foo> available';
}
# RT #96424
{
ok '0' ~~ /<alpha>|<digit>/, 'regex matches';
is $<alpha>.Str, '', 'Can call methods on captures from unsuccessful matches';
}
{
my $tracker;
ok 'abc' ~~ /<alpha> { $tracker = $<alpha> } /, 'sanity';
is $tracker.Str, 'a',
'can use $/ and subrule capture in embeeded code block';
}
# RT #107254
{
grammar G {
rule TOP { ^ <w1> <w2>? <w3>? $ }
token w1 { \w+ }
token w2 { \w+ }
token w3 { \w+ }
}
ok G.parse('one two three'), 'basic grammar sanity';
is $/, 'one two three', 'matched the whole string';
is $<w1 w2 w3>.map({ "[$_]" }).join(' '), '[one] [two] [three]',
'right sub captures';
ok G.parse('one two'), 'basic grammar sanity part two';
is $<w1>, 'one', 'got the right sub caputre for ordinary subrule';
is $<w2>, 'two', 'got the right sub capture for quantified subrule';
}
# RT #112148
{
my grammar H {
token TOP { ^[ '?' <digit> ]? [ '#' <digit> ]? $ };
}
my $m = H.parse('?5');
ok $m, 'basic grammar sanity (grammar H)';
is $m<digit>, '5', 'correct capture for quantified <digit>';
}
# vim: ft=perl6
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