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Close the memoize frame on a valueless materialization and trace node exits

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This commit is contained in:
Dennis Kobert
2026-08-24 14:11:46 +00:00
parent d718cdb225
commit 2448157af8
2 changed files with 23 additions and 6 deletions
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20
node-graph/node-macro/src/codegen.rs
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@@ -2510,13 +2510,25 @@ pub(crate) fn generate_node_impl(crate_ident: &CrateIdent, parsed: &ParsedNodeFn
type Output = #trait_output;
fn eval(&self, __input: &#ctx_ident) -> #core_types::gpoll::GPoll<Self::Output> {
// The exit trace rides a guard so early returns report too, which
// is what pins a frame leak to its node.
#[cfg(debug_assertions)]
{
let __sp_trace = {
static __SP_TRACE: ::std::sync::OnceLock<bool> = ::std::sync::OnceLock::new();
if *__SP_TRACE.get_or_init(|| ::std::env::var_os("GRAPHENE_SP_DEBUG").is_some()) {
::std::eprintln!("node> {} enter sp {}", ::std::stringify!(#fn_name), #core_types::record::stack::sp());
struct __SpTrace(&'static str, usize);
impl ::core::ops::Drop for __SpTrace {
fn drop(&mut self) {
::std::eprintln!("node> {} exit sp {} -> {}", self.0, self.1, #core_types::record::stack::sp());
}
}
}
match *__SP_TRACE.get_or_init(|| ::std::env::var_os("GRAPHENE_SP_DEBUG").is_some()) {
true => {
::std::eprintln!("node> {} enter sp {}", ::std::stringify!(#fn_name), #core_types::record::stack::sp());
Some(__SpTrace(::std::stringify!(#fn_name), #core_types::record::stack::sp()))
}
false => None,
}
};
let _entry_sp = #core_types::record::stack::sp();
let __cell = #cell_constructor;
#reclaim_guard