1use proc_macro::TokenStream;
2use quote::quote;
3use syn::{parse_macro_input, ItemFn};
4
5#[proc_macro_attribute]
6pub fn fiddler_registration_func(_attr: TokenStream, input: TokenStream) -> TokenStream {
7 let new_input = parse_macro_input!(input as ItemFn);
8 let sig = new_input
9 .sig
10 .clone()
11 .ident
12 .span()
13 .unwrap()
14 .source_text()
15 .unwrap();
16 let signature: proc_macro2::TokenStream = format!(
17 "pub fn fiddler_register_plugin() -> Result<(), Error> {{\n\t{}()\n}}",
18 sig
19 )
20 .parse()
21 .unwrap();
22 let expanded = quote! {
23 #signature
24 #new_input
25 };
26 TokenStream::from(expanded)
27}