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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
#[macro_export]
macro_rules! go {
($func:expr) => {{
fn _go_check<F, T>(f: F) -> F
where
F: FnOnce() -> T + Send + 'static,
T: Send + 'static,
{
f
}
let f = _go_check($func);
unsafe { $crate::coroutine::spawn(f) }
}};
($builder:expr, $func:expr) => {{
fn _go_check<F, T>(f: F) -> F
where
F: FnOnce() -> T + Send,
T: Send,
{
f
}
let f = _go_check($func);
unsafe { $builder.spawn(f) }
}};
($cqueue:expr, $token:expr, $func:expr) => {{
fn _go_check<F, T>(f: F) -> F
where
F: FnOnce($crate::cqueue::EventSender) -> T + Send,
T: Send,
{
f
}
let f = _go_check($func);
unsafe { $cqueue.add($token, f) }
}};
}
#[macro_export]
macro_rules! cqueue_add {
($cqueue:ident, $token:expr, $name:pat = $top:expr => $bottom:expr) => {{
go!($cqueue, $token, |es| loop {
let $name = $top;
es.send(es.get_token());
$bottom
})
}};
}
#[macro_export]
macro_rules! cqueue_add_oneshot {
($cqueue:ident, $token:expr, $name:pat = $top:expr => $bottom:expr) => {{
go!($cqueue, $token, |es| {
let $name = $top;
es.send(es.get_token());
$bottom
})
}};
}
#[macro_export]
macro_rules! select {
(
$($name:pat = $top:expr => $bottom:expr),+
) => ({
use $crate::cqueue;
cqueue::scope(|cqueue| {
let mut _token = 0;
$(
cqueue_add_oneshot!(cqueue, _token, $name = $top => $bottom);
_token += 1;
)+
match cqueue.poll(None) {
Ok(ev) => return ev.token,
_ => unreachable!("select error"),
}
})
})
}
#[macro_export]
macro_rules! join {
(
$($body:expr),+
) => ({
use $crate::coroutine;
coroutine::scope(|s| {
$(
go!(s, || $body);
)+
})
})
}
#[macro_export]
macro_rules! coroutine_local {
(static $NAME:ident : $t:ty = $e:expr) => {
static $NAME: $crate::LocalKey<$t> = {
fn __init() -> $t {
$e
}
fn __key() -> ::std::any::TypeId {
struct __A;
::std::any::TypeId::of::<__A>()
}
$crate::LocalKey {
__init: __init,
__key: __key,
}
};
};
}