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-rw-r--r--crates/ra_hir/src/nameres/collector.rs6
-rw-r--r--crates/ra_hir/src/nameres/tests/macros.rs29
2 files changed, 33 insertions, 2 deletions
diff --git a/crates/ra_hir/src/nameres/collector.rs b/crates/ra_hir/src/nameres/collector.rs
index 5af26f953..34b90a666 100644
--- a/crates/ra_hir/src/nameres/collector.rs
+++ b/crates/ra_hir/src/nameres/collector.rs
@@ -525,8 +525,10 @@ where
525 fn collect(&mut self, items: &[raw::RawItem]) { 525 fn collect(&mut self, items: &[raw::RawItem]) {
526 // Prelude module is always considered to be `#[macro_use]`. 526 // Prelude module is always considered to be `#[macro_use]`.
527 if let Some(prelude_module) = self.def_collector.def_map.prelude { 527 if let Some(prelude_module) = self.def_collector.def_map.prelude {
528 tested_by!(prelude_is_macro_use); 528 if prelude_module.krate != self.def_collector.def_map.krate {
529 self.def_collector.import_all_macros_exported(prelude_module); 529 tested_by!(prelude_is_macro_use);
530 self.def_collector.import_all_macros_exported(prelude_module);
531 }
530 } 532 }
531 533
532 // This should be processed eagerly instead of deferred to resolving. 534 // This should be processed eagerly instead of deferred to resolving.
diff --git a/crates/ra_hir/src/nameres/tests/macros.rs b/crates/ra_hir/src/nameres/tests/macros.rs
index aece1515b..c62152d26 100644
--- a/crates/ra_hir/src/nameres/tests/macros.rs
+++ b/crates/ra_hir/src/nameres/tests/macros.rs
@@ -248,3 +248,32 @@ fn prelude_is_macro_use() {
248 ⋮Baz: t v 248 ⋮Baz: t v
249 "###); 249 "###);
250} 250}
251
252#[test]
253fn prelude_cycle() {
254 let map = def_map(
255 "
256 //- /lib.rs
257 #[prelude_import]
258 use self::prelude::*;
259
260 declare_mod!();
261
262 mod prelude {
263 macro_rules! declare_mod {
264 () => (mod foo {})
265 }
266 }
267 ",
268 );
269 assert_snapshot!(map, @r###"
270 ⋮crate
271 ⋮foo: t
272 ⋮prelude: t
273
274 ⋮crate::prelude
275 ⋮declare_mod: m
276
277 ⋮crate::foo
278 "###);
279}