feat: 支持访问器描述符与 get/set 语法

crates/oxide_compiler/tests/compile_expr_tests.rs

@@ -72,6 +72,24 @@ fn compile_multiple_stmts() {
     assert!(load_count >= 3);
 }
 
+#[test]
+fn compile_object_literal_getter_emits_define_accessor() {
+    let module = compile_source("var o = { get x() { return 1; } };");
+    assert!(
+        module.bytecode.iter().any(|&i| opcode::opcode(i) == OpCode::DEFINE_ACCESSOR),
+        "object literal getter should emit DEFINE_ACCESSOR"
+    );
+}
+
+#[test]
+fn compile_object_literal_setter_emits_define_accessor() {
+    let module = compile_source("var o = { set x(v) { this.y = v; } };");
+    assert!(
+        module.bytecode.iter().any(|&i| opcode::opcode(i) == OpCode::DEFINE_ACCESSOR),
+        "object literal setter should emit DEFINE_ACCESSOR"
+    );
+}
+
 #[test]
 fn compile_binary_ops() {
     let tests = [