Reorganize name resolution

1 files changed, 94 insertions, 0 deletions

diff --git a/crates/ra_hir/src/nameres/tests/macros.rs b/crates/ra_hir/src/nameres/tests/macros.rs
new file mode 100644
index 000000000..8781b026b
--- /dev/null
+++ b/crates/ra_hir/src/nameres/tests/macros.rs
@@ -0,0 +1,94 @@
+use super::*;
+
+#[test]
+fn macro_rules_are_globally_visible() {
+    let map = def_map(
+        "
+        //- /lib.rs
+        macro_rules! structs {
+            ($($i:ident),*) => {
+                $(struct $i { field: u32 } )*
+            }
+        }
+        structs!(Foo);
+        mod nested;
+
+        //- /nested.rs
+        structs!(Bar, Baz);
+        ",
+    );
+    assert_snapshot_matches!(map, @r###"
+crate
+nested: t
+Foo: t v
+
+crate::nested
+Bar: t v
+Baz: t v
+"###);
+}
+
+#[test]
+fn macro_rules_can_define_modules() {
+    let map = def_map(
+        "
+        //- /lib.rs
+        macro_rules! m {
+            ($name:ident) => { mod $name;  }
+        }
+        m!(n1);
+
+        //- /n1.rs
+        m!(n2)
+        //- /n1/n2.rs
+        struct X;
+        ",
+    );
+    assert_snapshot_matches!(map, @r###"
+crate
+n1: t
+
+crate::n1
+n2: t
+
+crate::n1::n2
+X: t v
+"###);
+}
+
+#[test]
+fn macro_rules_from_other_crates_are_visible() {
+    let map = def_map_with_crate_graph(
+        "
+        //- /main.rs
+        foo::structs!(Foo, Bar)
+        mod bar;
+
+        //- /bar.rs
+        use crate::*;
+
+        //- /lib.rs
+        #[macro_export]
+        macro_rules! structs {
+            ($($i:ident),*) => {
+                $(struct $i { field: u32 } )*
+            }
+        }
+        ",
+        crate_graph! {
+            "main": ("/main.rs", ["foo"]),
+            "foo": ("/lib.rs", []),
+        },
+    );
+    assert_snapshot_matches!(map, @r###"
+crate
+bar: t
+Foo: t v
+Bar: t v
+
+crate::bar
+bar: t
+Foo: t v
+Bar: t v
+"###);
+}