From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../ui/annotate-snippet/auxiliary/multispan.rs | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/test/ui/annotate-snippet/auxiliary/multispan.rs (limited to 'src/test/ui/annotate-snippet/auxiliary/multispan.rs') diff --git a/src/test/ui/annotate-snippet/auxiliary/multispan.rs b/src/test/ui/annotate-snippet/auxiliary/multispan.rs new file mode 100644 index 000000000..c05d15643 --- /dev/null +++ b/src/test/ui/annotate-snippet/auxiliary/multispan.rs @@ -0,0 +1,37 @@ +// force-host +// no-prefer-dynamic + +#![crate_type = "proc-macro"] +#![feature(proc_macro_diagnostic, proc_macro_span, proc_macro_def_site)] + +extern crate proc_macro; + +use proc_macro::{TokenStream, TokenTree, Span, Diagnostic}; + +fn parse(input: TokenStream) -> Result<(), Diagnostic> { + let mut hi_spans = vec![]; + for tree in input { + if let TokenTree::Ident(ref ident) = tree { + if ident.to_string() == "hi" { + hi_spans.push(ident.span()); + } + } + } + + if !hi_spans.is_empty() { + return Err(Span::def_site() + .error("hello to you, too!") + .span_note(hi_spans, "found these 'hi's")); + } + + Ok(()) +} + +#[proc_macro] +pub fn hello(input: TokenStream) -> TokenStream { + if let Err(diag) = parse(input) { + diag.emit(); + } + + TokenStream::new() +} -- cgit v1.2.3