src/test/ui/proc-macro/auxiliary/raw-ident.rs

   1 // force-host
   2 // no-prefer-dynamic
   3
   4 #![crate_type = "proc-macro"]
   5
   6 extern crate proc_macro;
   7 use proc_macro::{TokenStream, TokenTree, Ident, Punct, Spacing, Span};
   8
   9 #[proc_macro]
  10 pub fn make_struct(input: TokenStream) -> TokenStream {
  11     match input.into_iter().next().unwrap() {
  12         TokenTree::Ident(ident) => {
  13             vec![
  14                 TokenTree::Ident(Ident::new("struct", Span::call_site())),
  15                 TokenTree::Ident(Ident::new_raw(&ident.to_string(), Span::call_site())),
  16                 TokenTree::Punct(Punct::new(';', Spacing::Alone))
  17             ].into_iter().collect()
  18         }
  19         _ => panic!()
  20     }
  21 }
  22
  23 #[proc_macro]
  24 pub fn make_bad_struct(input: TokenStream) -> TokenStream {
  25     match input.into_iter().next().unwrap() {
  26         TokenTree::Ident(ident) => {
  27             vec![
  28                 TokenTree::Ident(Ident::new_raw("struct", Span::call_site())),
  29                 TokenTree::Ident(Ident::new(&ident.to_string(), Span::call_site())),
  30                 TokenTree::Punct(Punct::new(';', Spacing::Alone))
  31             ].into_iter().collect()
  32         }
  33         _ => panic!()
  34     }
  35 }