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    local $Level = $Level + 1;
    return $self->diag(<<"DIAGNOSTIC");
    $got
        $type
    $expect
DIAGNOSTIC
}

sub _caller_context {
    my $self = shift;

    my( $pack, $file, $line ) = $self->caller(1);

    my $code = '';
    $code .= "#line $line $file\n" if defined $file and defined $line;

    return $code;
}

#line 1145

sub BAIL_OUT {
    my( $self, $reason ) = @_;

    $self->{Bailed_Out} = 1;
    $self->_print("Bail out!  $reason");
    exit 255;
}

#line 1158

{
    no warnings 'once';
    *BAILOUT = \&BAIL_OUT;
}

#line 1172

sub skip {
    my( $self, $why ) = @_;
    $why ||= '';
    $self->_unoverload_str( \$why );

    lock( $self->{Curr_Test} );
    $self->{Curr_Test}++;

    $self->{Test_Results}[ $self->{Curr_Test} - 1 ] = &share(
        {
            'ok'      => 1,
            actual_ok => 1,
            name      => '',
            type      => 'skip',
            reason    => $why,
        }
    );

    my $out = "ok";
    $out .= " $self->{Curr_Test}" if $self->use_numbers;
    $out .= " # skip";
    $out .= " $why"               if length $why;
    $out .= "\n";

    $self->_print($out);

    return 1;
}

#line 1213

sub todo_skip {
    my( $self, $why ) = @_;
    $why ||= '';

    lock( $self->{Curr_Test} );
    $self->{Curr_Test}++;

    $self->{Test_Results}[ $self->{Curr_Test} - 1 ] = &share(
        {
            'ok'      => 1,
            actual_ok => 0,
            name      => '',
            type      => 'todo_skip',
            reason    => $why,
        }
    );

    my $out = "not ok";
    $out .= " $self->{Curr_Test}" if $self->use_numbers;
    $out .= " # TODO & SKIP $why\n";

    $self->_print($out);

    return 1;
}

#line 1293

sub maybe_regex {
    my( $self, $regex ) = @_;
    my $usable_regex = undef;

    return $usable_regex unless defined $regex;

    my( $re, $opts );

    # Check for qr/foo/
    if( _is_qr($regex) ) {
        $usable_regex = $regex;
    }
    # Check for '/foo/' or 'm,foo,'
    elsif(( $re, $opts )        = $regex =~ m{^ /(.*)/ (\w*) $ }sx              or
          ( undef, $re, $opts ) = $regex =~ m,^ m([^\w\s]) (.+) \1 (\w*) $,sx
    )
    {
        $usable_regex = length $opts ? "(?$opts)$re" : $re;
    }

    return $usable_regex;
}

sub _is_qr {
    my $regex = shift;

    # is_regexp() checks for regexes in a robust manner, say if they're
    # blessed.
    return re::is_regexp($regex) if defined &re::is_regexp;
    return ref $regex eq 'Regexp';
}

sub _regex_ok {
    my( $self, $this, $regex, $cmp, $name ) = @_;

    my $ok           = 0;
    my $usable_regex = $self->maybe_regex($regex);
    unless( defined $usable_regex ) {
        local $Level = $Level + 1;
        $ok = $self->ok( 0, $name );
        $self->diag("    '$regex' doesn't look much like a regex to me.");
        return $ok;
    }

    {
        ## no critic (BuiltinFunctions::ProhibitStringyEval)

        my $test;
        my $context = $self->_caller_context;

        local( $@, $!, $SIG{__DIE__} );    # isolate eval

        $test = eval $context . q{$test = $this =~ /$usable_regex/ ? 1 : 0};

        $test = !$test if $cmp eq '!~';

        local $Level = $Level + 1;
        $ok = $self->ok( $test, $name );
    }

    unless($ok) {
        $this = defined $this ? "'$this'" : 'undef';
        my $match = $cmp eq '=~' ? "doesn't match" : "matches";

        local $Level = $Level + 1;
        $self->diag( sprintf <<'DIAGNOSTIC', $this, $match, $regex );
                  %s
    %13s '%s'
DIAGNOSTIC

    }

    return $ok;
}

# I'm not ready to publish this.  It doesn't deal with array return
# values from the code or context.