use proc_macro::TokenStream;
use quote::quote;
use syn::{ItemFn, parse_macro_input};
#[proc_macro_attribute]
pub fn main(_attr: TokenStream, item: TokenStream) -> TokenStream {
let input_fn = parse_macro_input!(item as ItemFn);
let fn_name = &input_fn.sig.ident;
let expanded = quote! {
#input_fn
#[unsafe(no_mangle)]
pub extern "C" fn mpv_open_cplugin(handle: *mut mpv_handle) -> i32 {
let mp = Handle::from_ptr(handle);
mp.init_logger().expect("logger is already set");
#fn_name(mp)
}
};
TokenStream::from(expanded)
}