feat: improve FC handling to allow lifetimes of parent

This commit is contained in:
Jonathan Kelley committed 2021-10-30 21:07:47 -04:00
1 parent f70b5b4e4a
commit 6b2645fd80
3 files changed
+72 -37

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+1 -1
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@@ -1,3 +1,3 @@
{
"rust-analyzer.cargo.allFeatures": true
// "rust-analyzer.cargo.allFeatures": true
}
+46 -32
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@@ -252,39 +252,49 @@ fn Child2<'a>((cx, props): Scope<'a, Child2Props>) -> Element<'a> {
// - borrowed
// - memoized
cx.render({
NodeFactory::annotate_lazy(move |__cx: NodeFactory| -> VNode {
use dioxus_elements::{GlobalAttributes, SvgAttributes};
__cx.element(
dioxus_elements::div,
[],
[],
[],
// [__cx.component(
// ChildrenComp,
// {
// let mut __manual_props = ChildrenTest { node: children };
// __manual_props
// },
// None,
// [],
// )],
None,
)
})
})
// cx.render(rsx! {
// div {
// // div {}
// ChildrenComp {
// // node: children
// ..ChildrenTest {
// node: children,
// }
// }
// }
// cx.render({
// NodeFactory::annotate_lazy(move |__cx: NodeFactory| -> VNode {
// use dioxus_elements::{GlobalAttributes, SvgAttributes};
// __cx.element(
// dioxus_elements::div,
// [],
// [],
// [
// __cx.component(ChildrenMemo, (), None, []),
// __cx.component(
// ChildrenComp,
// //
// ChildrenTest { node: children },
// None,
// [],
// ),
// // {
// // let _props: &_ = __cx.bump().alloc(ChildrenTest { node: children });
// // __cx.component_v2_borrowed(
// // //
// // move |c| ChildrenComp((c, _props)),
// // ChildrenComp,
// // _props,
// // )
// // },
// // {
// // let _props: &_ = __cx.bump().alloc(());
// // __cx.component_v2_borrowed(move |c| ChildrenMemo((c, _props)))
// // },
// ],
// None,
// )
// })
// })
cx.render(rsx! {
div {
ChildrenComp {
..ChildrenTest {
node: children,
}
}
}
})
}
#[derive(Props)]
@@ -333,3 +343,7 @@ fn ChildrenComp<'a>((cx, props): Scope<'a, ChildrenTest<'a>>) -> Element<'a> {
}
})
}
fn ChildrenMemo((cx, props): Scope<()>) -> Element {
todo!()
}
+25 -4
View File
@@ -4,7 +4,8 @@
//! cheap and *very* fast to construct - building a full tree should be quick.
use crate::innerlude::{
empty_cell, Context, Element, ElementId, Properties, ScopeId, ScopeInner, SuspendedContext, FC,
empty_cell, Context, Element, ElementId, Properties, Scope, ScopeId, ScopeInner,
SuspendedContext, FC,
};
use bumpalo::{boxed::Box as BumpBox, Bump};
use std::{
@@ -448,9 +449,26 @@ impl<'a> NodeFactory<'a> {
}
}
pub fn component_v2_borrowed<P: 'a>(
self,
f: impl Fn(Context<'a>) -> Option<VNode<'a>> + 'a,
fc: fn(Scope<'a, P>) -> Element<'a>,
p: &'a P,
) -> VNode<'a> {
//
todo!()
}
// pub fn component_v2_memoized(
// self,
// f: impl for<'b> Fn(Context<'b>) -> Option<VNode<'b>> + 'static,
// ) -> VNode<'a> {
// //
// todo!()
// }
pub fn component<P, V>(
&self,
component: FC<P>,
component: fn(Scope<'a, P>) -> Element<'a>,
props: P,
key: Option<Arguments>,
children: V,
@@ -458,7 +476,6 @@ impl<'a> NodeFactory<'a> {
where
P: Properties + 'a,
V: AsRef<[VNode<'a>]> + 'a,
// V: 'a + AsRef<[VNode<'a>]>,
{
let bump = self.bump();
let children: &'a V = bump.alloc(children);
@@ -523,7 +540,11 @@ impl<'a> NodeFactory<'a> {
bump.alloc(move |scope: &ScopeInner| -> Element {
log::debug!("calling component renderr {:?}", scope.our_arena_idx);
let props: &'_ P = unsafe { &*(raw_props as *const P) };
let res: Element = component((Context { scope }, props));
let scp: &'a ScopeInner = unsafe { std::mem::transmute(scope) };
let s: Scope<'a, P> = (Context { scope: scp }, props);
let res: Element = component(s);
unsafe { std::mem::transmute(res) }
});