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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/nested-nonterminal-tokens.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/nested-nonterminal-tokens.rs')
-rw-r--r-- | src/test/ui/proc-macro/nested-nonterminal-tokens.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/nested-nonterminal-tokens.rs b/src/test/ui/proc-macro/nested-nonterminal-tokens.rs new file mode 100644 index 000000000..04d34e21c --- /dev/null +++ b/src/test/ui/proc-macro/nested-nonterminal-tokens.rs @@ -0,0 +1,26 @@ +// check-pass +// edition:2018 +// compile-flags: -Z span-debug +// aux-build:test-macros.rs + +// Tests that we properly pass tokens to proc-macro when nested +// nonterminals are involved. + +#![no_std] // Don't load unnecessary hygiene information from std +extern crate std; + +#[macro_use] +extern crate test_macros; + + +macro_rules! wrap { + (first, $e:expr) => { wrap!(second, $e + 1) }; + (second, $e:expr) => { wrap!(third, $e + 2) }; + (third, $e:expr) => { + print_bang!($e + 3) + }; +} + +fn main() { + let _ = wrap!(first, 0); +} |