// force-host // no-prefer-dynamic #![crate_type = "proc-macro"] #![feature(proc_macro_span, proc_macro_quote)] extern crate proc_macro; use proc_macro::{quote, Span, TokenStream, TokenTree}; fn assert_same_span(a: Span, b: Span) { assert_eq!(a.start(), b.start()); assert_eq!(a.end(), b.end()); } // This macro generates a macro with the same macro definition as `manual_foo` in // `same-sequence-span.rs` but with the same span for all sequences. #[proc_macro] pub fn make_foo(_: TokenStream) -> TokenStream { let result = quote! { macro_rules! generated_foo { (1 $$x:expr $$($$y:tt,)* $$(= $$z:tt)*) => {}; } }; result }