From 18c5ee6bce5f0fd08c3c72016de43654ad28823e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=88=B1=E7=89=B9=E6=AF=8F=E7=BE=8A=E9=98=9F?=
 <t2026104239910027@eduxiji.net>
Date: Sun, 28 Jun 2026 18:28:16 +0800
Subject: [PATCH] refactor(array): prepare array_ptr_len! for ArrayLike
 extension

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
(cherry picked from commit a3b914df3c985388d6540f5970711be408ee81c7)
---
 crates/oxide_builtins/src/array.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/crates/oxide_builtins/src/array.rs b/crates/oxide_builtins/src/array.rs
index a7534b1..a96ef97 100644
--- a/crates/oxide_builtins/src/array.rs
+++ b/crates/oxide_builtins/src/array.rs
@@ -21,8 +21,14 @@ macro_rules! array_ptr {
 
 macro_rules! array_ptr_len {
     ($vm:expr, $args:expr) => {{
-        let arr_ptr = array_ptr!($vm, $args);
-        let len = unsafe { (*arr_ptr).prop_count() } as usize;
+        let this_val = $vm.reg($args[0]);
+        let (arr_ptr, len, _is_arr) = match get_this_arraylike($vm, this_val) {
+            Ok(v) => v,
+            Err(err) => {
+                builtins_error!("Array method: invalid receiver");
+                return NativeResult::Err(err);
+            }
+        };
         (arr_ptr, len)
     }};
 }