condition: booleanexpr | '&&' booleanexpr | '||' booleanexpr 

booleanexpr: '!' booleanexpr 
{
    $return = $item[1] . $item[2];
}
| '(' booleanexpr ')'
{
    $return = $item[1] . $item[2] . $item[3];
}
| Value_op comparator Value_op 
{
    $return = $item[1] . $item[2] . $item[3];
}

comparator: '==' | '<' | '>' | '<=' | '>=' | '!='

Value_op: operation | Value

Value: String | Number | Float

operation: operator plusminus(?) 
{
    my $op;
    $op = '';
    if(@{$item[2]})
    {
        $op = $item[2]->[0];
    }
    $return = $item[1] . $op;
    1;
}

plusminus: '+' operator 
{
    $return = $item[1] . $item[2];
}
 | '-' operator 
{
    $return = $item[1] . $item[2];
}

operator: ('*' Value | '/' Value) | '(' operation ')' | Value