113 lines
2.4 KiB
Rust
113 lines
2.4 KiB
Rust
// xfail-test
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// Protocols
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proto! foo {
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foo:recv {
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do_foo -> foo
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}
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}
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proto! bar {
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bar:recv {
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do_bar(int) -> barbar,
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do_baz(bool) -> bazbar,
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}
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barbar:send {
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rebarbar -> bar,
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}
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bazbar:send {
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rebazbar -> bar
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}
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}
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// select!
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macro_rules! select_if {
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{
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$index:expr,
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$count:expr,
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$port:path => [
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$($message:path$(($($x: ident),+))dont_type_this*
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-> $next:ident $e:expr),+
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],
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$( $ports:path => [
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$($messages:path$(($($xs: ident),+))dont_type_this*
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-> $nexts:ident $es:expr),+
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], )*
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} => {
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log_syntax!{select_if1};
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if $index == $count {
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alt move pipes::try_recv($port) {
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$(some($message($($($x,)+)* next)) => {
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// FIXME (#2329) we really want move out of enum here.
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let $next = unsafe { let x <- *ptr::addr_of(next); x };
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$e
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})+
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_ => fail
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}
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} else {
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select_if!{
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$index,
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$count + 1,
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$( $ports => [
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$($messages$(($($xs),+))dont_type_this*
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-> $nexts $es),+
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], )*
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}
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}
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};
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{
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$index:expr,
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$count:expr,
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} => {
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log_syntax!{select_if2};
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fail
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}
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}
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macro_rules! select {
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{
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$( $port:path => {
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$($message:path$(($($x: ident),+))dont_type_this*
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-> $next:ident $e:expr),+
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} )+
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} => {
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let index = pipes::selecti([$(($port).header()),+]/_);
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log_syntax!{select};
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log_syntax!{
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select_if!{index, 0, $( $port => [
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$($message$(($($x),+))dont_type_this* -> $next $e),+
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], )+}
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};
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select_if!{index, 0, $( $port => [
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$($message$(($($x),+))dont_type_this* -> $next $e),+
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], )+}
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}
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}
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// Code
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fn test(+foo: foo::client::foo, +bar: bar::client::bar) {
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select! {
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foo => {
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foo::do_foo -> _next {
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}
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}
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bar => {
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bar::do_bar(x) -> _next {
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//debug!("%?", x)
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},
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do_baz(b) -> _next {
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//if b { debug!("true") } else { debug!("false") }
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}
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}
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}
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}
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fn main() {
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}
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