166 lines
4.1 KiB
Rust
166 lines
4.1 KiB
Rust
#[macro_export]
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macro_rules! rsx {
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() => {
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$crate::frontend::Rsx::new()
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};
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($($rsx:tt)+) => {{
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let mut r = $crate::frontend::Rsx::new();
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{
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$crate::rsx_scope!(r, $($rsx)+);
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}
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r
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}};
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}
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#[macro_export]
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macro_rules! rsx_scope {
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($rsx:expr, for $(%$($dep:ident $(as $dp:pat,)?),+)? ($p:pat in $v:expr) {$($inner:tt)*} $($rest:tt)*) => {
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{
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$($($crate::rsx_dep!($dep);)+)?
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$rsx.dynamic_scope({
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$($($crate::rsx_dep!($dep $(as $dp)?);)+)?
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move |scope| {
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scope.children.lock().unwrap().clear();
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for $p in $v {
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$crate::rsx_child!(scope, $($inner)*);
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}
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}
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}, vec![$($(Box::new($dep)),+)?]);
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}
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$crate::rsx_scope!($rsx, $($rest)*);
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};
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($rsx:expr, if $(%$($dep:ident $(as $dp:pat,)?),+)? ($st:expr) {$($inner:tt)*} $($rest:tt)*) => {
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{
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$($($crate::rsx_dep!($dep);)+)?
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$rsx.dynamic_scope({
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$($($crate::rsx_dep!($dep $(as $dp)?);)+)?
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move |scope| {
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if $st {
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if scope.children.lock().unwrap().len() == 0 {
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$crate::rsx_child!(scope, $($inner)*);
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}
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} else {
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scope.children.lock().unwrap().clear();
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}
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}
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}, vec![$($(Box::new($dep)),+)?]);
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}
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$crate::rsx_scope!($rsx, $($rest)*);
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};
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($rsx:expr, $(%$($dep:ident $(as $dp:pat,)?),+)? $text:literal @$d:expr; $($rest:tt)*) => {
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{
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let scope = $crate::component::Scope::new();
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$($($crate::rsx_dep!($dep $(as $dp)?);)+)?
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$crate::rsx_child!(scope, $text @$d;);
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$rsx.static_scope(scope);
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}
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$crate::rsx_scope!($rsx, $($rest)*);
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};
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($rsx:expr, $(%$($dep:ident $(as $dp:pat,)?),+)? $text:literal $($rest:tt)*) => {
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{
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let scope = $crate::component::Scope::new();
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$($($crate::rsx_dep!($dep $(as $dp)?);)+)?
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$crate::rsx_child!(scope, $text);
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$rsx.static_scope(scope);
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}
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$crate::rsx_scope!($rsx, $($rest)*);
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};
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($rsx:expr, $component:ident ($ctx:ident, $view:ident) $body:block $($rest:tt)*) => {
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{
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let scope = $crate::component::Scope::new();
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$crate::rsx_child!(scope, $component ($ctx, $view) $body);
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$rsx.static_scope(scope);
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}
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$crate::rsx_scope!($rsx, $($rest)*);
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};
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($rsx:expr, $component:ident $($rest:tt)*) => {
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{
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let scope = $crate::component::Scope::new();
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$crate::rsx_child!(scope, $component);
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$rsx.static_scope(scope);
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}
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$crate::rsx_scope!($rsx, $($rest)*);
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};
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($rsx:expr, !mount $mount:ident $($rest:tt)*) => {
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{
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$mount.mount();
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}
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$crate::rsx_scope!($rsx, $($rest)*);
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};
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($rsx:expr,) => {};
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}
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#[macro_export]
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macro_rules! rsx_child {
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($scope:expr, $text:literal @$d:expr; $($rest:tt)*) => {
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{
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$scope.view(Arc::new(move |ctx| ctx.draw_text($d, &format!($text))));
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}
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$crate::rsx_child!($scope, $($rest)*);
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};
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($scope:expr, $text:literal $($rest:tt)*) => {
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{
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$scope.view(Arc::new(move |ctx| ctx.draw_text(Point { x: 0, y: 0 }, &format!($text))));
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}
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$crate::rsx_child!($scope, $($rest)*);
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};
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($scope:expr, $component:ident ($ctx:ident, $view:ident) $body:block $($rest:tt)*) => {
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{
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$scope.child($component, Some(Arc::new(|$ctx, $view| $body)));
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}
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$crate::rsx_child!($scope, $($rest)*);
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};
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($scope:expr, $component:ident $($rest:tt)*) => {
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{
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$scope.child($component, None);
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}
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$crate::rsx_child!($scope, $($rest)*);
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};
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($rsx:expr,) => {};
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}
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#[macro_export]
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macro_rules! rsx_dep {
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($dep:ident as $dp:pat) => {
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let $dp = $dep.clone();
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};
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($dep:ident) => {
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let $dep = $dep.clone();
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};
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}
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