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Strip IList nesting from kernel returns at parse time

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Dennis Kobert
2026-08-16 11:27:13 +00:00
parent 99ce2ea565
commit 15f4aa8f98
4 changed files with 45 additions and 5 deletions
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4
node-graph/node-macro/src/codegen.rs
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@@ -734,7 +734,7 @@ pub(crate) fn generate_node_impl(crate_ident: &CrateIdent, parsed: &ParsedNodeFn
let subject_depth = node.inputs.iter().find(|input| input.subject).map_or(0, |input| input.shape.depth);
let level_delta = node.output.shape.depth as i8 - subject_depth as i8;
let pushed_levels = level_delta.max(0) as u8;
let output_row = crate::codegen::ir::strip_ilist(&slot_value_type(&parsed.output_type)).0;
let output_row = slot_value_type(&parsed.output_type);
let snapshot_ctx = async_fn && matches!(&parsed.input.ty, Type::Path(path) if path.path.segments.last().is_some_and(|segment| segment.ident == "CtxSnapshot"));
let mut ctx_bounds: Vec<TokenStream2> = match ctx_param {
@@ -1270,7 +1270,7 @@ pub(crate) fn generate_node_impl(crate_ident: &CrateIdent, parsed: &ParsedNodeFn
// A bare `Attr<M>` in the return type cannot elide its lifetime, so the
// kernel gets a fresh one; reference-valued writes name their real
// lifetime explicitly and pass through untouched.
let kernel_output = record_io.then(|| inject_attr_lifetimes(&crate::codegen::ir::strip_ilist(&parsed.output_type).0)).flatten();
let kernel_output = record_io.then(|| inject_attr_lifetimes(&parsed.output_type)).flatten();
let attr_lifetime = kernel_output.is_some().then(|| quote!('__attr,));
let kernel_output = match derive_routing {
true => {