Fix bug and add expr , pat , ty matcher

1 files changed, 12 insertions, 0 deletions

diff --git a/crates/ra_mbe/src/subtree_parser.rs b/crates/ra_mbe/src/subtree_parser.rs
index 164240d92..13d5d2169 100644
--- a/crates/ra_mbe/src/subtree_parser.rs
+++ b/crates/ra_mbe/src/subtree_parser.rs
@@ -30,6 +30,18 @@ impl<'a> Parser<'a> {
         self.parse(ra_parser::parse_path)
     }
 
+    pub fn parse_expr(self) -> Option<tt::TokenTree> {
+        self.parse(ra_parser::parse_expr)
+    }
+
+    pub fn parse_ty(self) -> Option<tt::TokenTree> {
+        self.parse(ra_parser::parse_ty)
+    }
+
+    pub fn parse_pat(self) -> Option<tt::TokenTree> {
+        self.parse(ra_parser::parse_pat)
+    }
+
     fn parse<F>(self, f: F) -> Option<tt::TokenTree>
     where
         F: FnOnce(&dyn TokenSource, &mut dyn TreeSink),