diff options
Diffstat (limited to 'src/test/ui/fmt/auxiliary/format-string-proc-macro.rs')
-rw-r--r-- | src/test/ui/fmt/auxiliary/format-string-proc-macro.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/fmt/auxiliary/format-string-proc-macro.rs b/src/test/ui/fmt/auxiliary/format-string-proc-macro.rs new file mode 100644 index 000000000..e44a84776 --- /dev/null +++ b/src/test/ui/fmt/auxiliary/format-string-proc-macro.rs @@ -0,0 +1,28 @@ +// force-host +// no-prefer-dynamic + +#![crate_type = "proc-macro"] + +extern crate proc_macro; + +use proc_macro::{Literal, Span, TokenStream, TokenTree}; + +#[proc_macro] +pub fn foo_with_input_span(input: TokenStream) -> TokenStream { + let span = input.into_iter().next().unwrap().span(); + + let mut lit = Literal::string("{foo}"); + lit.set_span(span); + + TokenStream::from(TokenTree::Literal(lit)) +} + +#[proc_macro] +pub fn err_with_input_span(input: TokenStream) -> TokenStream { + let span = input.into_iter().next().unwrap().span(); + + let mut lit = Literal::string(" }"); + lit.set_span(span); + + TokenStream::from(TokenTree::Literal(lit)) +} |