bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide_diagnostics/src/handlers/macro_error.rs')
-rw-r--r--crates/ide_diagnostics/src/handlers/macro_error.rs39
1 files changed, 39 insertions, 0 deletions
diff --git a/crates/ide_diagnostics/src/handlers/macro_error.rs b/crates/ide_diagnostics/src/handlers/macro_error.rs
index 43b525133f..a5bfb302d5 100644
--- a/crates/ide_diagnostics/src/handlers/macro_error.rs
+++ b/crates/ide_diagnostics/src/handlers/macro_error.rs
@@ -39,6 +39,45 @@ macro_rules! compile_error { () => {} }
}
#[test]
+ fn eager_macro_concat() {
+ // FIXME: this is incorrectly handling `$crate`, resulting in a wrong diagnostic.
+ // See: https://github.com/rust-analyzer/rust-analyzer/issues/10300
+
+ check_diagnostics(
+ r#"
+//- /lib.rs crate:lib deps:core
+use core::{panic, concat};
+
+mod private {
+ pub use core::concat;
+}
+
+macro_rules! m {
+ () => {
+ panic!(concat!($crate::private::concat!("")));
+ };
+}
+
+fn f() {
+ m!();
+ //^^^^ error: unresolved macro `$crate::private::concat!`
+}
+
+//- /core.rs crate:core
+#[macro_export]
+#[rustc_builtin_macro]
+macro_rules! concat { () => {} }
+
+pub macro panic {
+ ($msg:expr) => (
+ $crate::panicking::panic_str($msg)
+ ),
+}
+ "#,
+ );
+ }
+
+ #[test]
fn include_macro_should_allow_empty_content() {
let mut config = DiagnosticsConfig::default();