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lib/Acme/Ook.pm  view on Meta::CPAN

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    *{'O?'} = sub { @_ ? $Ook{$_[0]} : %Ook };
    *{'O!'} = sub { $Ook{$_[0]} = $_[1] };
}
 
sub optimise {
    # Coalesce sequences of increments or decrements
    my $prog = $_[1];
    # print "Before '$prog'\n";
    foreach my $thing ('$Ook', '$Ook[$Ook]') {
        foreach my $op ('+', '-') {
            my $left = length "$thing$op$op;";
            $prog =~ s{((?:\Q$thing$op$op\E;){2,})}
              {"$thing$op=".(length ($1)/$left).';'}ges;
        }
    }
    # print "After '$prog'\n";
    return $prog;
}
 
sub _compile {
    shift;
    chomp $_[0];
    $_[0] =~ s/\s*(Ook(.)\s*Ook(.)\s*|(\#.*)|\S.*)/$;=$Ook{$2||@@}{$3||''};$;?$;:defined$4?"$4\n":die"OOK? $_[1]:$_[2] '$1'\n"/eg;
    return $_[0];
}
 
sub compile {
    my $self = shift;
    my $prog;
    $prog .= $self->_compile($$self, "(new)", 0) if defined $$self && length $$self;
    if (@_) {
        local *OOK;
        while (@_) {
            my $code = shift;
            if (ref $code eq 'IO::Handle') {
                while (<$code>) {
                    $prog .= $self->_compile($_, $code, $.);
                }
                close(OOK);
            } else {