src/test/ui/proc-macro/auxiliary/make-macro.rs

   1 // force-host
   2
   3 #[macro_export]
   4 macro_rules! make_it {
   5     ($name:ident) => {
   6         #[proc_macro]
   7         pub fn $name(input: TokenStream) -> TokenStream {
   8             println!("Def site: {:?}", Span::def_site());
   9             println!("Input: {:?}", input);
  10             let new: TokenStream = input.into_iter().map(|mut t| {
  11                 t.set_span(Span::def_site());
  12                 t
  13             }).collect();
  14             println!("Respanned: {:?}", new);
  15             new
  16         }
  17     };
  18 }