1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

#[macro_export]
macro_rules! cond {
    ($cond:expr, $a:expr, $b:expr $(,)?) => {
        Node::cond(stringify!($cond), $cond, $a, $b)
    };
}

#[macro_export]
macro_rules! sequence {
    ($($x:expr),+ $(,)?) => {
        // Node::named_sequence(stringify!($($x),+), vec![$($x),+])
        Node::sequence(vec![$($x),+])
    }
}

#[macro_export]
macro_rules! named_sequence {
    ($name:expr, $($x:expr),+ $(,)?) => {
        Node::named_sequence($name, vec![$($x),+])
    }
}

#[macro_export]
macro_rules! select {
    ($($x:expr),+ $(,)?) => {
        Node::named_select(stringify!($($x),+), vec![$($x),+])
    }
}

#[macro_export]
macro_rules! while_single {
    ($cond:expr, $child:expr $(,)?) => {
        Node::named_while_single(stringify!($cond), $cond, $child)
    };
}