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-rw-r--r--src/test/ui/proc-macro/attr-stmt-expr.rs66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/attr-stmt-expr.rs b/src/test/ui/proc-macro/attr-stmt-expr.rs
new file mode 100644
index 000000000..0403684cd
--- /dev/null
+++ b/src/test/ui/proc-macro/attr-stmt-expr.rs
@@ -0,0 +1,66 @@
+// aux-build:attr-stmt-expr.rs
+// aux-build:test-macros.rs
+// compile-flags: -Z span-debug
+
+#![feature(proc_macro_hygiene)]
+#![feature(rustc_attrs)]
+
+#![no_std] // Don't load unnecessary hygiene information from std
+extern crate std;
+extern crate test_macros;
+extern crate attr_stmt_expr;
+
+use test_macros::print_attr;
+use attr_stmt_expr::{expect_let, expect_my_macro_stmt, expect_expr, expect_my_macro_expr};
+
+// We don't use `std::println` so that we avoid loading hygiene
+// information from libstd, which would affect the SyntaxContext ids
+macro_rules! my_macro {
+ ($($tt:tt)*) => { () }
+}
+
+fn print_str(string: &'static str) {
+ // macros are handled a bit differently
+ #[expect_my_macro_expr]
+ //~^ ERROR attributes on expressions are experimental
+ //~| HELP add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable
+ my_macro!("{}", string)
+}
+
+macro_rules! make_stmt {
+ ($stmt:stmt) => {
+ #[print_attr]
+ #[rustc_dummy]
+ $stmt
+ }
+}
+
+macro_rules! second_make_stmt {
+ ($stmt:stmt) => {
+ make_stmt!($stmt);
+ }
+}
+
+fn main() {
+ make_stmt!(struct Foo {});
+
+ #[print_attr]
+ #[expect_let]
+ let string = "Hello, world!";
+
+ #[print_attr]
+ #[expect_my_macro_stmt]
+ my_macro!("{}", string);
+
+ #[print_attr]
+ second_make_stmt!(#[allow(dead_code)] struct Bar {});
+
+ #[print_attr]
+ #[rustc_dummy]
+ struct Other {}
+
+ #[expect_expr]
+ //~^ ERROR attributes on expressions are experimental
+ //~| HELP add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable
+ print_str("string")
+}