Fix more bugs

1 files changed, 15 insertions, 1 deletions

diff --git a/crates/ra_mbe/src/syntax_bridge.rs b/crates/ra_mbe/src/syntax_bridge.rs
index 9cca19dbb..e0f228ce9 100644
--- a/crates/ra_mbe/src/syntax_bridge.rs
+++ b/crates/ra_mbe/src/syntax_bridge.rs
@@ -123,6 +123,11 @@ fn convert_tt(
     global_offset: TextUnit,
     tt: &SyntaxNode,
 ) -> Option<tt::Subtree> {
+    // This tree is empty
+    if tt.first_child_or_token().is_none() {
+        return Some(tt::Subtree { token_trees: vec![], delimiter: tt::Delimiter::None });
+    }
+
     let first_child = tt.first_child_or_token()?;
     let last_child = tt.last_child_or_token()?;
     let (delimiter, skip_first) = match (first_child.kind(), last_child.kind()) {
@@ -233,7 +238,16 @@ impl<'a, Q: Querier> TreeSink for TtTreeSink<'a, Q> {
         self.text_pos += TextUnit::of_str(&self.buf);
         let text = SmolStr::new(self.buf.as_str());
         self.buf.clear();
-        self.inner.token(kind, text)
+        self.inner.token(kind, text);
+
+        // // Add a white space to token
+        // let (last_kind, _, last_joint_to_next ) = self.src_querier.token(self.token_pos-n_tokens as usize);
+        // if !last_joint_to_next && last_kind.is_punct() {
+        //     let (cur_kind, _, _ ) = self.src_querier.token(self.token_pos);
+        //     if cur_kind.is_punct() {
+        //         self.inner.token(WHITESPACE, " ".into());
+        //     }
+        // }
     }
 
     fn start_node(&mut self, kind: SyntaxKind) {