From 09ee3f1dd7cd331bd6223029d41e4acbc712d976 Mon Sep 17 00:00:00 2001
From: pjh456 <147148383@qq.com>
Date: Fri, 5 Jun 2026 18:06:06 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E8=A1=A5=E5=85=85=20JsObject=20?=
 =?UTF-8?q?=E7=B1=BB=E5=9E=8B=E8=BD=AC=E6=8D=A2=E8=BE=85=E5=8A=A9=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95?=
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---
 crates/oxide_vm/src/value.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/crates/oxide_vm/src/value.rs b/crates/oxide_vm/src/value.rs
index fbaf8425..8e718584 100644
--- a/crates/oxide_vm/src/value.rs
+++ b/crates/oxide_vm/src/value.rs
@@ -1,5 +1,7 @@
 use std::fmt;
 
+use crate::object::JsObject;
+
 /// Quiet NaN prefix — bits 63-51 = sign(1) + exponent(0x7FF) + quiet_bit(1)
 const QNAN_PREFIX: u64 = 0xFFF8_0000_0000_0000;
 
@@ -178,6 +180,17 @@ impl JsValue {
         (self.0 & PTR_MASK) as *mut u8
     }
 
+    pub fn as_js_object_ptr(&self) -> *mut JsObject {
+        debug_assert!(self.is_object(), "JsValue is not an object");
+        (self.0 & PTR_MASK) as *mut JsObject
+    }
+
+    pub fn from_js_object(ptr: *mut JsObject) -> Self {
+        let addr = ptr as u64;
+        debug_assert!(addr <= PTR_MASK, "object pointer must fit in 48 bits");
+        Self(make_tag(TAG_OBJECT) | addr)
+    }
+
     pub fn as_string_index(&self) -> u32 {
         debug_assert!(self.is_string(), "JsValue is not a string");
         (self.0 & STRING_INDEX_MASK) as u32