#![cfg_attr(docsrs, feature(doc_auto_cfg))]
use bevy_macro_utils::BevyManifest;
use proc_macro::TokenStream;
use quote::quote;
use syn::{parse_macro_input, parse_quote, DeriveInput, Path};
#[proc_macro_derive(GizmoConfigGroup)]
pub fn derive_gizmo_config_group(input: TokenStream) -> TokenStream {
let mut ast = parse_macro_input!(input as DeriveInput);
let bevy_gizmos_path: Path = BevyManifest::default().get_path("bevy_gizmos");
let bevy_reflect_path: Path = BevyManifest::default().get_path("bevy_reflect");
ast.generics.make_where_clause().predicates.push(
parse_quote! { Self: #bevy_reflect_path::Reflect + #bevy_reflect_path::TypePath + Default},
);
let struct_name = &ast.ident;
let (impl_generics, type_generics, where_clause) = &ast.generics.split_for_impl();
TokenStream::from(quote! {
impl #impl_generics #bevy_gizmos_path::config::GizmoConfigGroup for #struct_name #type_generics #where_clause {
}
})
}