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Emit the async source tier from the node macro

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This commit is contained in:
Dennis Kobert
2026-07-26 22:58:40 +00:00
parent be5c78421a
commit cf66f8396b
5 changed files with 219 additions and 11 deletions
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13
node-graph/node-macro/src/codegen.rs
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@@ -15,6 +15,8 @@ pub(crate) fn generate_node_code(crate_ident: &CrateIdent, parsed: &ParsedNodeFn
mod_name,
fn_generics,
input,
output_type,
is_async,
fields,
description,
..
@@ -109,7 +111,11 @@ pub(crate) fn generate_node_code(crate_ident: &CrateIdent, parsed: &ParsedNodeFn
quote! { pub(super) #name: #r#gen }
});
let struct_fields = data_field_defs.chain(regular_field_defs);
let slot_value_type = crate::gcodegen::slot_value_type(output_type);
let slot_field = is_async
.then(|| quote! { pub(super) slot: std::sync::Arc<std::sync::Mutex<std::collections::HashMap<u64, Option<gcore::gpoll::GPoll<#slot_value_type>>>>> })
.into_iter();
let struct_fields = data_field_defs.chain(regular_field_defs).chain(slot_field);
// Only regular fields have UI metadata (data fields are internal state)
let widget_override: Vec<_> = regular_fields
@@ -217,10 +223,11 @@ pub(crate) fn generate_node_code(crate_ident: &CrateIdent, parsed: &ParsedNodeFn
let regular_inits = regular_field_names.iter().map(|name| {
quote! { #name }
});
let all_field_inits = data_inits.chain(regular_inits);
let slot_init = is_async.then(|| quote! { slot: Default::default() }).into_iter();
let all_field_inits = data_inits.chain(regular_inits).chain(slot_init);
// Data fields may not implement Copy, PartialEq, etc., so only derive Debug and Clone
let struct_derives = if data_fields.is_empty() {
let struct_derives = if data_fields.is_empty() && !is_async {
quote!(#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)])
} else {
quote!(#[derive(Debug, Clone)])