compiler: fix pretty print crash on wrong parent references

badicsalex · badicsalex · commit 68a1f3c9741c · 2025-02-20T13:27:09.000+01:00
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))

Original file line number	Diff line number	Diff line change
`@@ -211,6 +211,9 @@ impl<T> Display for DisplayPropertyRef<'_, T> {`
`211`	`211`	`}`
`212`	`212`	`PropertyReference::InParent { level, parent_reference } => {`
`213`	`213`	`for _ in 0..level.get() {`
	`214`	`+ if ctx.parent.is_none() {`
	`215`	`+ return write!(f, "<invalid parent reference>");`
	`216`	`+ }`
`214`	`217`	`ctx = ctx.parent.unwrap().ctx;`
`215`	`218`	`}`
`216`	`219`	`write!(f, "{}", Self(parent_reference, ctx))`