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tenant.openagents/omega
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OpenAgents Git authority 2026-07-28T03:36:56.817Z Public web read
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derive_register_component.rs
1use proc_macro::TokenStream;
2use quote::quote;
3use syn::{DeriveInput, parse_macro_input};
4
5pub fn derive_register_component(input: TokenStream) -> TokenStream {
6 let input = parse_macro_input!(input as DeriveInput);
7
8 let name = input.ident;
9 let register_fn_name = syn::Ident::new(
10 &format!("__component_registry_internal_register_{}", name),
11 name.span(),
12 );
13 let expanded = quote! {
14 const _: () = {
15 struct AssertComponent<T: component::Component>(::std::marker::PhantomData<T>);
16 let _ = AssertComponent::<#name>(::std::marker::PhantomData);
17 };
18
19 #[allow(non_snake_case)]
20 fn #register_fn_name() {
21 component::register_component::<#name>();
22 }
23
24 component::__private::inventory::submit! {
25 component::ComponentFn::new(#register_fn_name)
26 }
27 };
28 expanded.into()
29}
30