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Decompose the flat index over the content extent in structure creators

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Dennis Kobert
2026-08-17 08:09:27 +00:00
parent 932ed8653e
commit a03db0ac6c
5 changed files with 143 additions and 20 deletions
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6
node-graph/node-macro/src/codegen.rs
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@@ -1161,20 +1161,20 @@ pub(crate) fn generate_node_impl(crate_ident: &CrateIdent, parsed: &ParsedNodeFn
// A raw poll edge is threaded straight through, so it does not bind here.
(LazyBinding::Plain, true) => quote!(),
(LazyBinding::DeriveRouting, _) => quote! {
let #name = #core_types::record::RecordLazyInput::new(&self.#name, &__cell, #index);
let #name = #core_types::record::RecordLazyInput::new(&self.#name, &__cell, #index, self.__layout.depth.saturating_sub(#pushed_levels));
},
(LazyBinding::DeriveCarrier, _) => {
let reads = reads_of(index);
let read_fn = format_ident!("__{}_read_{}", fn_name, index);
match reads.is_empty() {
true => quote! {
let #name = #core_types::record::DerivedLazyInput::new(&self.#name, &__cell, #index, &[], #core_types::record::token_only);
let #name = #core_types::record::DerivedLazyInput::new(&self.#name, &__cell, #index, self.__layout.depth.saturating_sub(#pushed_levels), &[], #core_types::record::token_only);
},
false => {
let slot_idents: Vec<Ident> = reads.iter().map(|(slot, _)| format_ident!("__read_{slot}")).collect();
quote! {
let __carrier_reads = [#(self.#slot_idents),*];
let #name = #core_types::record::DerivedLazyInput::new(&self.#name, &__cell, #index, &__carrier_reads, self::#read_fn);
let #name = #core_types::record::DerivedLazyInput::new(&self.#name, &__cell, #index, self.__layout.depth.saturating_sub(#pushed_levels), &__carrier_reads, self::#read_fn);
}
}
}