1 files changed, 37 insertions, 0 deletions
diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/items/consts.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/items/consts.rs
new file mode 100644
index 000000000..9549ec9b4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/src/grammar/items/consts.rs
@@ -0,0 +1,37 @@
+use super::*;
+
+// test const_item
+// const C: u32 = 92;
+pub(super) fn konst(p: &mut Parser<'_>, m: Marker) {
+    p.bump(T![const]);
+    const_or_static(p, m, true);
+}
+
+pub(super) fn static_(p: &mut Parser<'_>, m: Marker) {
+    p.bump(T![static]);
+    const_or_static(p, m, false);
+}
+
+fn const_or_static(p: &mut Parser<'_>, m: Marker, is_const: bool) {
+    p.eat(T![mut]);
+
+    if is_const && p.eat(T![_]) {
+        // test anonymous_const
+        // const _: u32 = 0;
+    } else {
+        // test_err anonymous_static
+        // static _: i32 = 5;
+        name(p);
+    }
+
+    if p.at(T![:]) {
+        types::ascription(p);
+    } else {
+        p.error("missing type for `const` or `static`");
+    }
+    if p.eat(T![=]) {
+        expressions::expr(p);
+    }
+    p.expect(T![;]);
+    m.complete(p, if is_const { CONST } else { STATIC });
+}