compiler: fix pretty print crash on wrong parent references

slint-ui · Feb 20, 2025 · 68a1f3c · 68a1f3c
1 parent 9533dd1
commit 68a1f3c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/internal/compiler/llr/pretty_print.rs b/internal/compiler/llr/pretty_print.rs
@@ -211,6 +211,9 @@ impl<T> Display for DisplayPropertyRef<'_, T> {
             }
             PropertyReference::InParent { level, parent_reference } => {
                 for _ in 0..level.get() {
+                    if ctx.parent.is_none() {
+                        return write!(f, "<invalid parent reference>");
+                    }
                     ctx = ctx.parent.unwrap().ctx;
                 }
                 write!(f, "{}", Self(parent_reference, ctx))