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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/proc-macro/auxiliary/call-site.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/proc-macro/auxiliary/call-site.rs')
-rw-r--r-- | src/test/ui/proc-macro/auxiliary/call-site.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/auxiliary/call-site.rs b/src/test/ui/proc-macro/auxiliary/call-site.rs new file mode 100644 index 000000000..e64a5a343 --- /dev/null +++ b/src/test/ui/proc-macro/auxiliary/call-site.rs @@ -0,0 +1,27 @@ +// force-host +// no-prefer-dynamic + +#![crate_type = "proc-macro"] + +extern crate proc_macro; +use proc_macro::*; + +#[proc_macro] +pub fn check(input: TokenStream) -> TokenStream { + // Parsed `x2` can refer to `x2` from `input` + let parsed1: TokenStream = "let x3 = x2;".parse().unwrap(); + // `x3` parsed from one string can refer to `x3` parsed from another string. + let parsed2: TokenStream = "let x4 = x3;".parse().unwrap(); + // Manually assembled `x4` can refer to parsed `x4`. + let manual: Vec<TokenTree> = vec![ + Ident::new("let", Span::call_site()).into(), + Ident::new("x5", Span::call_site()).into(), + Punct::new('=', Spacing::Alone).into(), + Ident::new("x4", Span::call_site()).into(), + Punct::new(';', Spacing::Alone).into(), + ]; + input.into_iter().chain(parsed1.into_iter()) + .chain(parsed2.into_iter()) + .chain(manual.into_iter()) + .collect() +} |