mirror of
https://github.com/DioxusLabs/dioxus
synced 2024-11-23 04:33:06 +00:00
convert T into signals automatically
This commit is contained in:
parent
1847c737e9
commit
50e3216d8b
14 changed files with 441 additions and 103 deletions
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@ -57,5 +57,17 @@ fn app() -> Element {
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} else {
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"No saved values"
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}
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// You can pass a value directly to any prop that accepts a signal
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Child { count: 0 }
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}
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}
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#[component]
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fn Child(mut count: Signal<i32>) -> Element {
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rsx! {
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h1 { "{count}" }
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button { onclick: move |_| count += 1, "Up high!" }
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button { onclick: move |_| count -= 1, "Down low!" }
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}
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}
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@ -8,10 +8,12 @@
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use proc_macro2::TokenStream;
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use syn::parse::Error;
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use syn::punctuated::Punctuated;
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use syn::spanned::Spanned;
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use syn::{parse::Error, PathArguments};
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use quote::quote;
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use syn::{parse_quote, Type};
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pub fn impl_my_derive(ast: &syn::DeriveInput) -> Result<TokenStream, Error> {
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let data = match &ast.data {
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@ -515,6 +517,7 @@ mod struct_info {
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use syn::{Expr, Ident};
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use super::field_info::{FieldBuilderAttr, FieldInfo};
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use super::looks_like_signal_type;
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use super::util::{
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empty_type, empty_type_tuple, expr_to_single_string, make_punctuated_single,
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modify_types_generics_hack, path_to_single_string, strip_raw_ident_prefix, type_tuple,
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@ -576,6 +579,89 @@ mod struct_info {
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generics
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}
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fn has_signal_fields(&self) -> bool {
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self.fields.iter().any(|f| looks_like_signal_type(f.ty))
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}
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fn memoize_impl(&self) -> Result<TokenStream, Error> {
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// First check if there are any Signal fields, if there are not, we can just use the partialEq impl
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let has_signal_fields = self.has_signal_fields();
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if has_signal_fields {
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let signal_fields: Vec<_> = self
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.included_fields()
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.filter(|f| looks_like_signal_type(f.ty))
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.map(|f| {
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let name = f.name;
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quote!(#name)
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})
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.collect();
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Ok(quote! {
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// First check if the fields are equal
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let exactly_equal = self == new;
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if exactly_equal {
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return true;
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}
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// If they are not, move over the signal fields and check if they are equal
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#(
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let mut #signal_fields = self.#signal_fields;
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self.#signal_fields = new.#signal_fields;
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)*
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// Then check if the fields are equal again
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let non_signal_fields_equal = self == new;
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// If they are not equal, we still need to rerun the component
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if !non_signal_fields_equal {
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return false;
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}
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trait NonPartialEq: Sized {
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fn compare(&self, other: &Self) -> bool;
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}
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impl<T> NonPartialEq for &&T {
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fn compare(&self, other: &Self) -> bool {
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false
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}
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}
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trait CanPartialEq: PartialEq {
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fn compare(&self, other: &Self) -> bool;
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}
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impl<T: PartialEq> CanPartialEq for T {
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fn compare(&self, other: &Self) -> bool {
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self == other
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}
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}
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// If they are equal, we don't need to rerun the component we can just update the existing signals
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#(
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// Try to memo the signal
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let field_eq = {
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let old_value: &_ = &*#signal_fields.peek();
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let new_value: &_ = &*new.#signal_fields.peek();
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(&old_value).compare(&&new_value)
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};
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if !field_eq {
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(#signal_fields).set(new.#signal_fields.take());
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}
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// Move the old value back
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self.#signal_fields = #signal_fields;
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)*
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true
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})
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} else {
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Ok(quote! {
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self == new
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})
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}
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}
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pub fn builder_creation_impl(&self) -> Result<TokenStream, Error> {
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let StructInfo {
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ref vis,
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@ -584,12 +670,6 @@ mod struct_info {
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..
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} = *self;
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// we're generating stuff that goes into unsafe code here
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// we use the heuristic: are there *any* generic parameters?
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// If so, then they might have non-static lifetimes and we can't compare two generic things that *might borrow*
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// Therefore, we will generate code that shortcircuits the "comparison" in memoization
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let are_there_generics = !self.generics.params.is_empty();
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let generics = self.generics.clone();
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let (impl_generics, ty_generics, where_clause) = generics.split_for_impl();
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let (_, b_initial_generics, _) = self.generics.split_for_impl();
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@ -669,20 +749,26 @@ Finally, call `.build()` to create the instance of `{name}`.
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.extend(predicates.predicates.clone());
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}
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let can_memoize = match are_there_generics {
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true => quote! { false },
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false => quote! { self == other },
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};
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let memoize = self.memoize_impl()?;
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let extend_fields = self.extend_fields().map(|f| {
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let name = f.name;
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let ty = f.ty;
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quote!(#name: #ty)
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});
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let extend_fields_value = self.extend_fields().map(|f| {
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let name = f.name;
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quote!(#name: Vec::new())
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});
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let global_fields = self
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.extend_fields()
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.map(|f| {
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let name = f.name;
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let ty = f.ty;
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quote!(#name: #ty)
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})
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.chain(self.has_signal_fields().then(|| quote!(owner: Owner)));
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let global_fields_value = self
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.extend_fields()
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.map(|f| {
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let name = f.name;
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quote!(#name: Vec::new())
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})
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.chain(
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self.has_signal_fields()
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.then(|| quote!(owner: Owner::default())),
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);
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Ok(quote! {
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impl #impl_generics #name #ty_generics #where_clause {
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@ -690,7 +776,7 @@ Finally, call `.build()` to create the instance of `{name}`.
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#[allow(dead_code, clippy::type_complexity)]
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#vis fn builder() -> #builder_name #generics_with_empty {
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#builder_name {
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#(#extend_fields_value,)*
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#(#global_fields_value,)*
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fields: #empties_tuple,
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_phantom: ::core::default::Default::default(),
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}
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@ -701,7 +787,7 @@ Finally, call `.build()` to create the instance of `{name}`.
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#builder_type_doc
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#[allow(dead_code, non_camel_case_types, non_snake_case)]
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#vis struct #builder_name #b_generics {
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#(#extend_fields,)*
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#(#global_fields,)*
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fields: #all_fields_param,
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_phantom: (#( #phantom_generics ),*),
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}
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@ -713,11 +799,10 @@ Finally, call `.build()` to create the instance of `{name}`.
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fn builder() -> Self::Builder {
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#name::builder()
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}
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fn memoize(&self, other: &Self) -> bool {
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#can_memoize
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fn memoize(&mut self, new: &Self) -> bool {
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#memoize
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}
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}
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})
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}
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@ -966,22 +1051,29 @@ Finally, call `.build()` to create the instance of `{name}`.
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let arg_type = field_type;
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// If the field is auto_into, we need to add a generic parameter to the builder for specialization
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let mut marker = None;
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let (arg_type, arg_expr) =
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if field.builder_attr.auto_into || field.builder_attr.strip_option {
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let marker_ident = syn::Ident::new("__Marker", proc_macro2::Span::call_site());
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marker = Some(marker_ident.clone());
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(
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quote!(impl dioxus_core::prelude::SuperInto<#arg_type, #marker_ident>),
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quote!(dioxus_core::prelude::SuperInto::super_into(#field_name)),
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)
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} else if field.builder_attr.from_displayable {
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(
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quote!(impl ::core::fmt::Display),
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quote!(#field_name.to_string()),
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)
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} else {
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(quote!(#arg_type), quote!(#field_name))
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};
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let (arg_type, arg_expr) = if looks_like_signal_type(arg_type) {
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let marker_ident = syn::Ident::new("__Marker", proc_macro2::Span::call_site());
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marker = Some(marker_ident.clone());
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(
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quote!(impl dioxus_core::prelude::SuperInto<#arg_type, #marker_ident>),
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// If this looks like a signal type, we automatically convert it with SuperInto and use the props struct as the owner
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quote!(with_owner(self.owner.clone(), move || dioxus_core::prelude::SuperInto::super_into(#field_name))),
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)
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} else if field.builder_attr.auto_into || field.builder_attr.strip_option {
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let marker_ident = syn::Ident::new("__Marker", proc_macro2::Span::call_site());
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marker = Some(marker_ident.clone());
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(
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quote!(impl dioxus_core::prelude::SuperInto<#arg_type, #marker_ident>),
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quote!(dioxus_core::prelude::SuperInto::super_into(#field_name)),
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)
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} else if field.builder_attr.from_displayable {
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(
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quote!(impl ::core::fmt::Display),
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quote!(#field_name.to_string()),
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)
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} else {
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(quote!(#arg_type), quote!(#field_name))
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};
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let repeated_fields_error_type_name = syn::Ident::new(
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&format!(
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);
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let repeated_fields_error_message = format!("Repeated field {field_name}");
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let forward_extended_fields = self.extend_fields().map(|f| {
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let name = f.name;
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quote!(#name: self.#name)
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});
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let forward_fields = self
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.extend_fields()
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.map(|f| {
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let name = f.name;
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quote!(#name: self.#name)
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})
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.chain(self.has_signal_fields().then(|| quote!(owner: self.owner)));
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Ok(quote! {
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#[allow(dead_code, non_camel_case_types, missing_docs)]
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@ -1007,7 +1102,7 @@ Finally, call `.build()` to create the instance of `{name}`.
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let #field_name = (#arg_expr,);
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let ( #(#descructuring,)* ) = self.fields;
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#builder_name {
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#(#forward_extended_fields,)*
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#(#forward_fields,)*
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fields: ( #(#reconstructing,)* ),
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_phantom: self._phantom,
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}
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@ -1132,7 +1227,7 @@ Finally, call `.build()` to create the instance of `{name}`.
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note = #early_build_error_message
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)]
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pub fn build(self, _: #early_build_error_type_name) -> #name #ty_generics {
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panic!();
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panic!()
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}
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}
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})
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@ -1229,26 +1324,84 @@ Finally, call `.build()` to create the instance of `{name}`.
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// I’d prefer “a” or “an” to “its”, but determining which is grammatically
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// correct is roughly impossible.
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let doc =
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format!("Finalise the builder and create its [`{name}`] instance");
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format!("Finalize the builder and create its [`{name}`] instance");
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quote!(#[doc = #doc])
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}
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}
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} else {
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quote!()
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};
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quote!(
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#[allow(dead_code, non_camel_case_types, missing_docs)]
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impl #impl_generics #builder_name #modified_ty_generics #where_clause {
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#doc
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pub fn build(self) -> #name #ty_generics {
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let ( #(#descructuring,)* ) = self.fields;
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#( #assignments )*
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#name {
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#( #field_names ),*
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if self.has_signal_fields() {
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let name = Ident::new(&format!("{}WithOwner", name), name.span());
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let original_name = &self.name;
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quote! {
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#[doc(hidden)]
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#[allow(dead_code, non_camel_case_types, missing_docs)]
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#[derive(Clone)]
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struct #name #ty_generics {
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inner: #original_name #ty_generics,
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owner: Owner,
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}
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impl #impl_generics PartialEq for #name #ty_generics #where_clause {
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fn eq(&self, other: &Self) -> bool {
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self.inner.eq(&other.inner)
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}
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}
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impl #impl_generics #name #ty_generics #where_clause {
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/// Create a component from the props.
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fn into_vcomponent<M: 'static>(
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self,
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render_fn: impl dioxus_core::prelude::ComponentFunction<#original_name #ty_generics, M>,
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component_name: &'static str,
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) -> dioxus_core::VComponent {
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use dioxus_core::prelude::ComponentFunction;
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dioxus_core::VComponent::new(move |wrapper: Self| render_fn.rebuild(wrapper.inner), self, component_name)
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}
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}
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impl #impl_generics dioxus_core::prelude::Properties for #name #ty_generics #where_clause {
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type Builder = ();
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fn builder() -> Self::Builder {
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unreachable!()
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}
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fn memoize(&mut self, new: &Self) -> bool {
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self.inner.memoize(&new.inner)
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}
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}
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#[allow(dead_code, non_camel_case_types, missing_docs)]
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impl #impl_generics #builder_name #modified_ty_generics #where_clause {
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#doc
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pub fn build(self) -> #name #ty_generics {
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let ( #(#descructuring,)* ) = self.fields;
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#( #assignments )*
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#name {
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inner: #original_name {
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#( #field_names ),*
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},
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owner: self.owner,
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}
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}
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}
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}
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)
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} else {
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quote!(
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#[allow(dead_code, non_camel_case_types, missing_docs)]
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impl #impl_generics #builder_name #modified_ty_generics #where_clause {
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#doc
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pub fn build(self) -> #name #ty_generics {
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let ( #(#descructuring,)* ) = self.fields;
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#( #assignments )*
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#name {
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#( #field_names ),*
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}
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}
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}
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)
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}
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}
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}
|
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|
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|
@ -1374,3 +1527,47 @@ Finally, call `.build()` to create the instance of `{name}`.
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}
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}
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}
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fn looks_like_signal_type(ty: &Type) -> bool {
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match ty {
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Type::Path(ty) => {
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if ty.qself.is_some() {
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return false;
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}
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let path = &ty.path;
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let mut path_segments_without_generics = Vec::new();
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let mut generic_arg_count = 0;
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for segment in &path.segments {
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let mut segment = segment.clone();
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match segment.arguments {
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PathArguments::AngleBracketed(_) => generic_arg_count += 1,
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PathArguments::Parenthesized(_) => {
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return false;
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}
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_ => {}
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}
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segment.arguments = syn::PathArguments::None;
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path_segments_without_generics.push(segment);
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}
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// If there is more than the type and the send/sync generic, it doesn't look like our signal
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if generic_arg_count > 2 {
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return false;
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}
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let path_without_generics = syn::Path {
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leading_colon: None,
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segments: Punctuated::from_iter(path_segments_without_generics),
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};
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path_without_generics == parse_quote!(dioxus_core::prelude::Signal)
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|| path_without_generics == parse_quote!(prelude::Signal)
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|| path_without_generics == parse_quote!(Signal)
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}
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_ => false,
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}
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}
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|
|
|
@ -8,7 +8,7 @@ pub(crate) trait AnyProps: 'static {
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/// Render the component with the internal props.
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fn render(&self) -> RenderReturn;
|
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/// Check if the props are the same as the type erased props of another component.
|
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fn memoize(&self, other: &dyn Any) -> bool;
|
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fn memoize(&mut self, other: &dyn Any) -> bool;
|
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/// Get the props as a type erased `dyn Any`.
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fn props(&self) -> &dyn Any;
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/// Duplicate this component into a new boxed component.
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|
@ -18,7 +18,7 @@ pub(crate) trait AnyProps: 'static {
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/// A component along with the props the component uses to render.
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pub(crate) struct VProps<F: ComponentFunction<P, M>, P, M> {
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render_fn: F,
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memo: fn(&P, &P) -> bool,
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memo: fn(&mut P, &P) -> bool,
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props: P,
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name: &'static str,
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phantom: std::marker::PhantomData<M>,
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||||
|
@ -40,7 +40,7 @@ impl<F: ComponentFunction<P, M> + Clone, P: Clone + 'static, M: 'static> VProps<
|
|||
/// Create a [`VProps`] object.
|
||||
pub fn new(
|
||||
render_fn: F,
|
||||
memo: fn(&P, &P) -> bool,
|
||||
memo: fn(&mut P, &P) -> bool,
|
||||
props: P,
|
||||
name: &'static str,
|
||||
) -> VProps<F, P, M> {
|
||||
|
@ -57,9 +57,9 @@ impl<F: ComponentFunction<P, M> + Clone, P: Clone + 'static, M: 'static> VProps<
|
|||
impl<F: ComponentFunction<P, M> + Clone, P: Clone + 'static, M: 'static> AnyProps
|
||||
for VProps<F, P, M>
|
||||
{
|
||||
fn memoize(&self, other: &dyn Any) -> bool {
|
||||
fn memoize(&mut self, other: &dyn Any) -> bool {
|
||||
match other.downcast_ref::<P>() {
|
||||
Some(other) => (self.memo)(&self.props, other),
|
||||
Some(other) => (self.memo)(&mut self.props, other),
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
use std::ops::Deref;
|
||||
use std::ops::{Deref, DerefMut};
|
||||
|
||||
use crate::{
|
||||
any_props::AnyProps,
|
||||
|
@ -72,7 +72,7 @@ impl VNode {
|
|||
|
||||
// copy out the box for both
|
||||
let old_scope = &mut dom.scopes[scope_id.0];
|
||||
let old_props: &dyn AnyProps = old_scope.props.deref();
|
||||
let old_props: &mut dyn AnyProps = old_scope.props.deref_mut();
|
||||
let new_props: &dyn AnyProps = new.props.deref();
|
||||
|
||||
// If the props are static, then we try to memoize by setting the new with the old
|
||||
|
|
|
@ -330,7 +330,7 @@ impl Properties for ErrorBoundaryProps {
|
|||
fn builder() -> Self::Builder {
|
||||
ErrorBoundaryProps::builder()
|
||||
}
|
||||
fn memoize(&self, _: &Self) -> bool {
|
||||
fn memoize(&mut self, _: &Self) -> bool {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
|
|
@ -90,7 +90,7 @@ impl Properties for FragmentProps {
|
|||
fn builder() -> Self::Builder {
|
||||
FragmentBuilder(None)
|
||||
}
|
||||
fn memoize(&self, _other: &Self) -> bool {
|
||||
fn memoize(&mut self, _other: &Self) -> bool {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
|
|
@ -32,7 +32,16 @@ pub trait Properties: Clone + Sized + 'static {
|
|||
fn builder() -> Self::Builder;
|
||||
|
||||
/// Compare two props to see if they are memoizable.
|
||||
fn memoize(&self, other: &Self) -> bool;
|
||||
fn memoize(&mut self, other: &Self) -> bool;
|
||||
|
||||
/// Create a component from the props.
|
||||
fn into_vcomponent<M: 'static>(
|
||||
self,
|
||||
render_fn: impl ComponentFunction<Self, M>,
|
||||
component_name: &'static str,
|
||||
) -> VComponent {
|
||||
VComponent::new(render_fn, self, component_name)
|
||||
}
|
||||
}
|
||||
|
||||
impl Properties for () {
|
||||
|
@ -40,7 +49,7 @@ impl Properties for () {
|
|||
fn builder() -> Self::Builder {
|
||||
EmptyBuilder {}
|
||||
}
|
||||
fn memoize(&self, _other: &Self) -> bool {
|
||||
fn memoize(&mut self, _other: &Self) -> bool {
|
||||
true
|
||||
}
|
||||
}
|
||||
|
@ -65,7 +74,7 @@ where
|
|||
fn builder() -> Self::Builder {
|
||||
todo!()
|
||||
}
|
||||
fn memoize(&self, _other: &Self) -> bool {
|
||||
fn memoize(&mut self, _other: &Self) -> bool {
|
||||
true
|
||||
}
|
||||
}
|
||||
|
|
|
@ -185,6 +185,15 @@ impl<T: 'static, S: Storage<T>> GenerationalBox<T, S> {
|
|||
self.raw.0.data.data_ptr() == other.raw.0.data.data_ptr()
|
||||
}
|
||||
}
|
||||
|
||||
/// Take the value out of the generational box and invalidate the generational box. This will return the value if the value was taken.
|
||||
pub fn take(&self) -> Option<T> {
|
||||
if self.validate() {
|
||||
Storage::take(&self.raw.0.data)
|
||||
} else {
|
||||
None
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<T, S: 'static> Copy for GenerationalBox<T, S> {}
|
||||
|
@ -211,6 +220,9 @@ pub trait Storage<Data = ()>: AnyStorage + 'static {
|
|||
|
||||
/// Set the value
|
||||
fn set(&'static self, value: Data);
|
||||
|
||||
/// Take the value out of the storage. This will return the value if the value was taken.
|
||||
fn take(&'static self) -> Option<Data>;
|
||||
}
|
||||
|
||||
/// A trait for any storage backing type.
|
||||
|
@ -248,8 +260,8 @@ pub trait AnyStorage: Default {
|
|||
/// Get the data pointer. No guarantees are made about the data pointer. It should only be used for debugging.
|
||||
fn data_ptr(&self) -> *const ();
|
||||
|
||||
/// Take the value out of the storage. This will return true if the value was taken.
|
||||
fn take(&self) -> bool;
|
||||
/// Drop the value from the storage. This will return true if the value was taken.
|
||||
fn manually_drop(&self) -> bool;
|
||||
|
||||
/// Recycle a memory location. This will drop the memory location and return it to the runtime.
|
||||
fn recycle(location: &MemoryLocation<Self>);
|
||||
|
@ -259,10 +271,9 @@ pub trait AnyStorage: Default {
|
|||
|
||||
/// Create a new owner. The owner will be responsible for dropping all of the generational boxes that it creates.
|
||||
fn owner() -> Owner<Self> {
|
||||
Owner {
|
||||
Owner(Arc::new(Mutex::new(OwnerInner {
|
||||
owned: Default::default(),
|
||||
phantom: PhantomData,
|
||||
}
|
||||
})))
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -324,7 +335,7 @@ impl<S> MemoryLocation<S> {
|
|||
where
|
||||
S: AnyStorage,
|
||||
{
|
||||
let old = self.0.data.take();
|
||||
let old = self.0.data.manually_drop();
|
||||
#[cfg(any(debug_assertions, feature = "check_generation"))]
|
||||
if old {
|
||||
let new_generation = self.0.generation.load(std::sync::atomic::Ordering::Relaxed) + 1;
|
||||
|
@ -355,10 +366,31 @@ impl<S> MemoryLocation<S> {
|
|||
}
|
||||
}
|
||||
|
||||
struct OwnerInner<S: AnyStorage + 'static> {
|
||||
owned: Vec<MemoryLocation<S>>,
|
||||
}
|
||||
|
||||
impl<S: AnyStorage> Drop for OwnerInner<S> {
|
||||
fn drop(&mut self) {
|
||||
for location in &self.owned {
|
||||
S::recycle(location)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Owner: Handles dropping generational boxes. The owner acts like a runtime lifetime guard. Any states that you create with an owner will be dropped when that owner is dropped.
|
||||
pub struct Owner<S: AnyStorage + 'static = UnsyncStorage> {
|
||||
owned: Arc<Mutex<Vec<MemoryLocation<S>>>>,
|
||||
phantom: PhantomData<S>,
|
||||
pub struct Owner<S: AnyStorage + 'static = UnsyncStorage>(Arc<Mutex<OwnerInner<S>>>);
|
||||
|
||||
impl<S: AnyStorage> Default for Owner<S> {
|
||||
fn default() -> Self {
|
||||
S::owner()
|
||||
}
|
||||
}
|
||||
|
||||
impl<S: AnyStorage> Clone for Owner<S> {
|
||||
fn clone(&self) -> Self {
|
||||
Self(self.0.clone())
|
||||
}
|
||||
}
|
||||
|
||||
impl<S: AnyStorage> Owner<S> {
|
||||
|
@ -391,7 +423,7 @@ impl<S: AnyStorage> Owner<S> {
|
|||
#[cfg(any(debug_assertions, feature = "debug_borrows"))]
|
||||
caller,
|
||||
);
|
||||
self.owned.lock().push(location);
|
||||
self.0.lock().owned.push(location);
|
||||
key
|
||||
}
|
||||
|
||||
|
@ -409,15 +441,7 @@ impl<S: AnyStorage> Owner<S> {
|
|||
created_at: std::panic::Location::caller(),
|
||||
_marker: PhantomData,
|
||||
};
|
||||
self.owned.lock().push(location);
|
||||
self.0.lock().owned.push(location);
|
||||
generational_box
|
||||
}
|
||||
}
|
||||
|
||||
impl<S: AnyStorage> Drop for Owner<S> {
|
||||
fn drop(&mut self) {
|
||||
for location in self.owned.lock().iter() {
|
||||
S::recycle(location)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
@ -72,7 +72,7 @@ impl AnyStorage for SyncStorage {
|
|||
self.0.data_ptr() as *const ()
|
||||
}
|
||||
|
||||
fn take(&self) -> bool {
|
||||
fn manually_drop(&self) -> bool {
|
||||
self.0.write().take().is_some()
|
||||
}
|
||||
|
||||
|
@ -162,4 +162,11 @@ impl<T: Sync + Send + 'static> Storage<T> for SyncStorage {
|
|||
fn set(&self, value: T) {
|
||||
*self.0.write() = Some(Box::new(value));
|
||||
}
|
||||
|
||||
fn take(&'static self) -> Option<T> {
|
||||
self.0
|
||||
.write()
|
||||
.take()
|
||||
.and_then(|any| any.downcast().ok().map(|boxed| *boxed))
|
||||
}
|
||||
}
|
||||
|
|
|
@ -75,6 +75,13 @@ impl<T: 'static> Storage<T> for UnsyncStorage {
|
|||
fn set(&self, value: T) {
|
||||
*self.0.borrow_mut() = Some(Box::new(value));
|
||||
}
|
||||
|
||||
fn take(&'static self) -> Option<T> {
|
||||
self.0
|
||||
.borrow_mut()
|
||||
.take()
|
||||
.map(|any| *any.downcast().unwrap())
|
||||
}
|
||||
}
|
||||
|
||||
thread_local! {
|
||||
|
@ -128,7 +135,7 @@ impl AnyStorage for UnsyncStorage {
|
|||
self.0.as_ptr() as *const ()
|
||||
}
|
||||
|
||||
fn take(&self) -> bool {
|
||||
fn manually_drop(&self) -> bool {
|
||||
self.0.borrow_mut().take().is_some()
|
||||
}
|
||||
|
||||
|
|
|
@ -101,11 +101,13 @@ impl ToTokens for Component {
|
|||
let fn_name = self.fn_name();
|
||||
|
||||
tokens.append_all(quote! {
|
||||
dioxus_core::DynamicNode::Component(dioxus_core::VComponent::new(
|
||||
#name #prop_gen_args,
|
||||
#builder,
|
||||
#fn_name
|
||||
))
|
||||
dioxus_core::DynamicNode::Component({
|
||||
use dioxus_core::prelude::Properties;
|
||||
(#builder).into_vcomponent(
|
||||
#name #prop_gen_args,
|
||||
#fn_name
|
||||
)
|
||||
})
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
|
@ -32,7 +32,7 @@ mod global;
|
|||
pub use global::*;
|
||||
|
||||
mod impls;
|
||||
pub use generational_box::{Storage, SyncStorage, UnsyncStorage};
|
||||
pub use generational_box::{AnyStorage, Owner, Storage, SyncStorage, UnsyncStorage};
|
||||
|
||||
mod read;
|
||||
pub use read::*;
|
||||
|
|
|
@ -1,8 +1,12 @@
|
|||
use generational_box::AnyStorage;
|
||||
use generational_box::GenerationalBoxId;
|
||||
use generational_box::SyncStorage;
|
||||
use generational_box::UnsyncStorage;
|
||||
use std::any::Any;
|
||||
use std::any::TypeId;
|
||||
use std::cell::RefCell;
|
||||
use std::mem::MaybeUninit;
|
||||
use std::ops::Deref;
|
||||
use std::rc::Rc;
|
||||
|
||||
use dioxus_core::prelude::*;
|
||||
use dioxus_core::ScopeId;
|
||||
|
@ -13,7 +17,72 @@ use crate::Effect;
|
|||
use crate::Readable;
|
||||
use crate::Writable;
|
||||
|
||||
fn current_owner<S: Storage<T>, T>() -> Rc<Owner<S>> {
|
||||
/// Run a closure with the given owner.
|
||||
pub fn with_owner<S: AnyStorage, F: FnOnce() -> R, R>(owner: Owner<S>, f: F) -> R {
|
||||
let old_owner = set_owner(Some(owner));
|
||||
let result = f();
|
||||
set_owner(old_owner);
|
||||
result
|
||||
}
|
||||
|
||||
/// Set the owner for the current thread.
|
||||
fn set_owner<S: AnyStorage>(owner: Option<Owner<S>>) -> Option<Owner<S>> {
|
||||
let id = TypeId::of::<S>();
|
||||
if id == TypeId::of::<SyncStorage>() {
|
||||
SYNC_OWNER.with(|cell| {
|
||||
std::mem::replace(
|
||||
&mut *cell.borrow_mut(),
|
||||
owner.map(|owner| {
|
||||
*(Box::new(owner) as Box<dyn Any>)
|
||||
.downcast::<Owner<SyncStorage>>()
|
||||
.unwrap()
|
||||
}),
|
||||
)
|
||||
.map(|owner| *(Box::new(owner) as Box<dyn Any>).downcast().unwrap())
|
||||
})
|
||||
} else {
|
||||
UNSYNC_OWNER.with(|cell| {
|
||||
std::mem::replace(
|
||||
&mut *cell.borrow_mut(),
|
||||
owner.map(|owner| {
|
||||
*(Box::new(owner) as Box<dyn Any>)
|
||||
.downcast::<Owner<UnsyncStorage>>()
|
||||
.unwrap()
|
||||
}),
|
||||
)
|
||||
.map(|owner| *(Box::new(owner) as Box<dyn Any>).downcast().unwrap())
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
thread_local! {
|
||||
static SYNC_OWNER: RefCell<Option<Owner<SyncStorage>>> = RefCell::new(None);
|
||||
static UNSYNC_OWNER: RefCell<Option<Owner<UnsyncStorage>>> = RefCell::new(None);
|
||||
}
|
||||
|
||||
fn current_owner<S: Storage<T>, T>() -> Owner<S> {
|
||||
let id = TypeId::of::<S>();
|
||||
let override_owner = if id == TypeId::of::<SyncStorage>() {
|
||||
SYNC_OWNER.with(|cell| {
|
||||
cell.borrow().clone().map(|owner| {
|
||||
*(Box::new(owner) as Box<dyn Any>)
|
||||
.downcast::<Owner<S>>()
|
||||
.unwrap()
|
||||
})
|
||||
})
|
||||
} else {
|
||||
UNSYNC_OWNER.with(|cell| {
|
||||
cell.borrow().clone().map(|owner| {
|
||||
*(Box::new(owner) as Box<dyn Any>)
|
||||
.downcast::<Owner<S>>()
|
||||
.unwrap()
|
||||
})
|
||||
})
|
||||
};
|
||||
if let Some(owner) = override_owner {
|
||||
return owner;
|
||||
}
|
||||
|
||||
match Effect::current() {
|
||||
// If we are inside of an effect, we should use the owner of the effect as the owner of the value.
|
||||
Some(effect) => {
|
||||
|
@ -24,18 +93,18 @@ fn current_owner<S: Storage<T>, T>() -> Rc<Owner<S>> {
|
|||
None => match has_context() {
|
||||
Some(rt) => rt,
|
||||
None => {
|
||||
let owner = Rc::new(S::owner());
|
||||
let owner = S::owner();
|
||||
provide_context(owner)
|
||||
}
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
fn owner_in_scope<S: Storage<T>, T>(scope: ScopeId) -> Rc<Owner<S>> {
|
||||
fn owner_in_scope<S: Storage<T>, T>(scope: ScopeId) -> Owner<S> {
|
||||
match consume_context_from_scope(scope) {
|
||||
Some(rt) => rt,
|
||||
None => {
|
||||
let owner = Rc::new(S::owner());
|
||||
let owner = S::owner();
|
||||
scope.provide_context(owner)
|
||||
}
|
||||
}
|
||||
|
@ -128,6 +197,13 @@ impl<T: 'static, S: Storage<T>> CopyValue<T, S> {
|
|||
}
|
||||
}
|
||||
|
||||
/// Take the value out of the CopyValue, invalidating the value in the process.
|
||||
pub fn take(&self) -> T {
|
||||
self.value
|
||||
.take()
|
||||
.expect("value is already dropped or borrowed")
|
||||
}
|
||||
|
||||
pub(crate) fn invalid() -> Self {
|
||||
let owner = current_owner();
|
||||
|
||||
|
|
|
@ -5,7 +5,6 @@ use crate::{
|
|||
use std::{
|
||||
any::Any,
|
||||
cell::RefCell,
|
||||
mem::MaybeUninit,
|
||||
ops::{Deref, DerefMut},
|
||||
rc::Rc,
|
||||
sync::Arc,
|
||||
|
@ -348,6 +347,11 @@ impl<T: 'static, S: Storage<SignalData<T>>> Signal<T, S> {
|
|||
}
|
||||
}
|
||||
|
||||
/// Take the value out of the signal, invalidating the signal in the process.
|
||||
pub fn take(&self) -> T {
|
||||
self.inner.take().value
|
||||
}
|
||||
|
||||
/// Get the scope the signal was created in.
|
||||
pub fn origin_scope(&self) -> ScopeId {
|
||||
self.inner.origin_scope()
|
||||
|
|
Loading…
Reference in a new issue