Simplify

src/parser/event_parser/grammar/items.rs

@@ -49,9 +49,7 @@ fn item(p: &mut Parser) -> bool {
         || node_if(p, STRUCT_KW, STRUCT_ITEM, struct_item)
         || node_if(p, FN_KW, FN_ITEM, fn_item);
 
-    if item_parsed && attrs_start != item_start {
-        p.forward_parent(attrs_start, item_start);
-    }
+    p.forward_parent(attrs_start, item_start);
     item_parsed
 }
 

src/parser/event_parser/parser.rs

@@ -55,6 +55,9 @@ pub(crate) fn mark(&self) -> Mark {
     }
 
     pub(crate) fn forward_parent(&mut self, child: Mark, parent: Mark) {
+        if child == parent || parent == self.mark() {
+            return
+        }
         assert!(child.0 < parent.0);
         let diff = parent.0 - child.0;
         match self.events[child.0 as usize] {