Temp fixes panic caused by no ast for proc-macro

1 files changed, 6 insertions, 0 deletions

diff --git a/crates/ide/src/hover.rs b/crates/ide/src/hover.rs
index ab017d2ad..c03dd74e4 100644
--- a/crates/ide/src/hover.rs
+++ b/crates/ide/src/hover.rs
@@ -324,6 +324,12 @@ fn hover_for_definition(db: &RootDatabase, def: Definition) -> Option<Markup> {
     let mod_path = definition_mod_path(db, &def);
     return match def {
         Definition::Macro(it) => {
+            // FIXME: Currently proc-macro do not have ast-node,
+            // such that it does not have source
+            // more discussion: https://github.com/rust-analyzer/rust-analyzer/issues/6913
+            if it.is_proc_macro() {
+                return None;
+            }
             let label = macro_label(&it.source(db).value);
             from_def_source_labeled(db, it, Some(label), mod_path)
         }