efda7f3f9c
Takes the first two commits from #15375 and adds suggestions from this comment: https://github.com/bevyengine/bevy/pull/15375#issuecomment-2366968300 See #15375 for more reasoning/motivation. ## Rebasing (rerunning) ```rust git switch simpler-lint-fixes git reset --hard main cargo fmt --all -- --unstable-features --config normalize_comments=true,imports_granularity=Crate cargo fmt --all git add --update git commit --message "rustfmt" cargo clippy --workspace --all-targets --all-features --fix cargo fmt --all -- --unstable-features --config normalize_comments=true,imports_granularity=Crate cargo fmt --all git add --update git commit --message "clippy" git cherry-pick e6c0b94f6795222310fb812fa5c4512661fc7887 ```
42 lines
1.1 KiB
Rust
42 lines
1.1 KiB
Rust
use proc_macro2::TokenStream;
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use quote::quote;
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use syn::{parse::ParseStream, Expr, Path, Token};
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#[derive(Default, Clone)]
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pub(crate) struct CustomAttributes {
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attributes: Vec<Expr>,
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}
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impl CustomAttributes {
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/// Generates a `TokenStream` for `CustomAttributes` construction.
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pub fn to_tokens(&self, bevy_reflect_path: &Path) -> TokenStream {
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let attributes = self.attributes.iter().map(|value| {
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quote! {
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.with_attribute(#value)
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}
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});
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quote! {
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#bevy_reflect_path::attributes::CustomAttributes::default()
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#(#attributes)*
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}
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}
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/// Inserts a custom attribute into the list.
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pub fn push(&mut self, value: Expr) -> syn::Result<()> {
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self.attributes.push(value);
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Ok(())
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}
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/// Parse `@` (custom attribute) attribute.
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///
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/// Examples:
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/// - `#[reflect(@Foo))]`
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/// - `#[reflect(@Bar::baz("qux"))]`
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/// - `#[reflect(@0..256u8)]`
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pub fn parse_custom_attribute(&mut self, input: ParseStream) -> syn::Result<()> {
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input.parse::<Token![@]>()?;
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self.push(input.parse()?)
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}
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}
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