mirror of
https://github.com/pjh456/OxideJS.git
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refactor: array 共享层拆出 common 模块
This commit is contained in:
@@ -0,0 +1,251 @@
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use oxide_kernel::shape_forge::EMPTY_SHAPE_ID;
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use oxide_types::object::{JsObject, MAX_DENSE_PROPS};
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use oxide_types::value::JsValue;
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use oxide_runtime_api::{NativeResult, VmHost};
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use super::from_engine_error;
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macro_rules! array_ptr {
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($vm:expr, $args:expr) => {{
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match get_this_array_ref($vm, $vm.reg($args[0])) {
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Ok(ptr) => ptr,
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Err(err) => {
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builtins_error!("Array method: invalid receiver");
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return NativeResult::Err(err);
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}
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}
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}};
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}
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pub(crate) use array_ptr;
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#[allow(unused_macros)]
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macro_rules! array_ptr_len {
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($vm:expr, $args:expr) => {{
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let this_val = $vm.reg($args[0]);
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let (arr_ptr, len, _is_arr) = match get_this_arraylike($vm, this_val) {
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Ok(v) => v,
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Err(err) => {
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builtins_error!("Array method: invalid receiver");
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return NativeResult::Err(err);
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}
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};
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(arr_ptr, len)
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}};
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}
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#[expect(unused_imports)] // 无调用点的预留宏，保留与其余助手宏一致的导出
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pub(crate) use array_ptr_len;
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macro_rules! array_ptr_len3 {
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($vm:expr, $args:expr) => {{
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let this_val = $vm.reg($args[0]);
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let (arr_ptr, len, is_arr) = match get_this_arraylike($vm, this_val) {
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Ok(v) => v,
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Err(err) => {
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builtins_error!("Array method: invalid receiver");
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return NativeResult::Err(err);
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}
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};
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(arr_ptr, len, is_arr)
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}};
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}
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pub(crate) use array_ptr_len3;
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pub(crate) fn array_type_error<H: VmHost>(vm: &mut H, msg: &str) -> JsValue {
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crate::error::create_type_error(vm, msg)
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}
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pub(crate) fn get_this_array_ref<H: VmHost>(vm: &mut H, val: JsValue) -> Result<*mut JsObject, JsValue> {
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if !val.is_object() {
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return Err(array_type_error(vm, "Array method called on incompatible receiver"));
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}
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let ptr = val.as_js_object_ptr();
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if ptr.is_null() {
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return Err(array_type_error(vm, "Array method called on incompatible receiver"));
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}
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let obj = unsafe { &*ptr };
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if !obj.is_array() {
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return Err(array_type_error(vm, "Array method called on incompatible receiver"));
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}
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Ok(ptr)
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}
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/// 接受 array 或 ArrayLike (object with length property) — for read-only methods.
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/// 返回 (object_ptr, length, is_real_array)
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#[inline(always)]
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pub(crate) fn get_this_arraylike<H: VmHost>(vm: &mut H, val: JsValue) -> Result<(*mut JsObject, usize, bool), JsValue> {
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if !val.is_object() {
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return Err(array_type_error(vm, "Array.prototype method called on null or undefined"));
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}
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let ptr = val.as_js_object_ptr();
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if ptr.is_null() {
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return Err(array_type_error(vm, "Array.prototype method called on null or undefined"));
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}
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let obj = unsafe { &*ptr };
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let is_array = obj.is_array();
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// 读取 length 属性（按规范 Get 语义，getter 抛错需向上传播）。
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// 真数组也走 Get：`arr.length = N` 已由 ordinary_set 的数组分支同步元素区，
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// 直接 prop_count() 会漏掉 length 赋值。
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let length_key = vm.new_string("length");
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let length_si = vm.property_key_si(length_key);
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let len_val = match vm.ordinary_get(unsafe { &*ptr }, length_si, val) {
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Ok(v) => v,
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Err(msg) => return Err(from_engine_error(vm, &msg)),
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};
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if len_val.is_symbol() {
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return Err(array_type_error(vm, "Cannot convert a Symbol value to a number"));
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}
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let len_num = match vm.coerce_number_bounded(len_val) {
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Ok(v) => v,
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Err(msg) => return Err(from_engine_error(vm, &msg)),
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};
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// ToLength：min(max(0, ToIntegerOrInfinity(len)), 2**53-1)
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let len = if len_num.is_nan() || len_num <= 0.0 {
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0
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} else {
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len_num.min(9_007_199_254_740_991.0) as usize
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};
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Ok((ptr, len, is_array))
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}
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/// 从 arraylike 读取 index 位置元素（按规范 Get：访问器/原型链/异常完整传播）。
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#[inline(always)]
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pub(crate) fn arraylike_get<H: VmHost>(vm: &mut H, ptr: *mut JsObject, i: usize) -> Result<JsValue, JsValue> {
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// 真数组密集直读快路径：无元素 meta（无 hole / accessor，O(1) 空指针判定）且
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// 索引在元素区内时，直接读数据槽，免每元素构造数字串 + 属性键转换。
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// 语义与 ordinary_get 一致：`array_elements_meta_vec().is_none()` 保证该索引
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// 恒为数据属性（见 vm_props.rs ordinary_get_inner 数组分支）。
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let obj = unsafe { &*ptr };
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if obj.is_array() && obj.array_elements_meta_vec().is_none() && i < obj.array_prop_count as usize {
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return Ok(obj.get_prop_at(i));
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}
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let key_str = vm.new_string(&i.to_string());
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let key_si = vm.property_key_si(key_str);
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let recv = JsValue::from_js_object(ptr);
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match vm.ordinary_get(obj, key_si, recv) {
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Ok(v) => Ok(v),
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Err(msg) => Err(from_engine_error(vm, &msg)),
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}
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}
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/// 元素读取失败时直接把异常作为 NativeResult::Err 返回。
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macro_rules! arraylike_get_or_err {
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($vm:expr, $ptr:expr, $i:expr) => {
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match arraylike_get($vm, $ptr, $i) {
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Ok(v) => v,
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Err(err) => return NativeResult::Err(err),
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}
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};
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}
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pub(crate) use arraylike_get_or_err;
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/// 数组下标转 JsValue：超出 i32 范围时用 double 精确表示。
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#[inline(always)]
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pub(crate) fn js_array_index(i: usize) -> JsValue {
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if i <= i32::MAX as usize {
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JsValue::int(i as i32)
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} else {
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JsValue::float(i as f64)
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}
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}
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/// ToIntegerOrInfinity 的 builtins 版本：对象经 ToPrimitive(number) 后取整，
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/// NaN/±0 → 0，±Inf 保留；转换异常向上传播。
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pub(crate) fn to_integer_or_infinity_bounded<H: VmHost>(vm: &mut H, val: JsValue) -> Result<f64, JsValue> {
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let n = match vm.coerce_number_bounded(val) {
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Ok(v) => v,
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Err(msg) => return Err(from_engine_error(vm, &msg)),
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};
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Ok(if n.is_nan() || n == 0.0 { 0.0 } else { n.trunc() })
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}
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/// 把 ToIntegerOrInfinity 结果夹到 [0, len]：负数按 len+rel，正无穷取 len。
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#[inline(always)]
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pub(crate) fn clamp_relative(rel: f64, n_f: f64, n: usize) -> usize {
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if rel.is_infinite() {
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if rel < 0.0 {
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0
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} else {
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n
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}
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} else if rel < 0.0 {
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(n_f + rel).max(0.0) as usize
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} else {
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rel.min(n_f) as usize
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}
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}
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/// IsConstructor 的近似判定（与 construct_array_from_result 保持一致）。
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#[inline]
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pub(crate) fn is_constructor_value(c: JsValue) -> bool {
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if !c.is_object() {
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return false;
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}
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let c_obj = unsafe { &*c.as_js_object_ptr() };
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c_obj.is_function()
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&& !c_obj.is_arrow()
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&& !(c_obj.native_fn().is_some() && c_obj.type_tag != JsObject::OBJ_TYPE_CONSTRUCTOR)
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}
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pub(crate) fn require_callback<H: VmHost>(vm: &mut H, callback_val: JsValue) -> Result<JsValue, JsValue> {
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if !callback_val.is_object() {
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return Err(array_type_error(vm, "callback is not a function"));
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}
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let ptr = callback_val.as_js_object_ptr();
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if ptr.is_null() || !unsafe { &*ptr }.is_function() {
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return Err(array_type_error(vm, "callback is not a function"));
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}
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Ok(callback_val)
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}
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pub(crate) fn create_new_array<H: VmHost>(vm: &mut H, n: usize) -> *mut JsObject {
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let proto = vm.session().builtin_world().array_proto.as_ptr() as *mut JsObject;
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vm.alloc_object(JsObject::new_array(
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EMPTY_SHAPE_ID,
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JsValue::from_js_object(proto),
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n.min(MAX_DENSE_PROPS),
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vm.epoch().bump(),
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))
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}
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/// ArrayCreate ?????length > 2**32 - 1 ? RangeError??????/???????
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pub(crate) fn check_array_create_len<H: VmHost>(vm: &mut H, n: usize) -> Result<(), JsValue> {
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if n > u32::MAX as usize {
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return Err(crate::error::create_range_error(vm, "Invalid array length"));
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}
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Ok(())
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}
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pub(crate) fn array_length_arg<H: VmHost>(vm: &mut H, value: JsValue) -> Result<usize, JsValue> {
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let n = vm.coerce_number_bounded(value).unwrap_or(f64::NAN);
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if !n.is_finite() || n < 0.0 || n.fract() != 0.0 || n > MAX_DENSE_PROPS as f64 {
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return Err(crate::error::create_range_error(vm, "Invalid array length"));
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}
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Ok(n as usize)
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}
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pub(crate) fn invoke_native_callback<H: VmHost>(
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vm: &mut H, callback_val: JsValue, this_val: JsValue, cb_args: &[JsValue],
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) -> NativeResult {
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if !callback_val.is_object() {
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return NativeResult::Err(crate::error::create_type_error(vm, "callback is not a function"));
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}
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let cb_ptr = callback_val.as_js_object_ptr();
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if cb_ptr.is_null() {
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return NativeResult::Err(crate::error::create_type_error(vm, "callback is not a function"));
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}
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let cb = unsafe { &*cb_ptr };
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if !cb.is_function() {
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return NativeResult::Err(crate::error::create_type_error(vm, "callback is not a function"));
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}
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match vm.call_function_sync(callback_val, this_val, cb_args) {
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Ok(value) => NativeResult::Ok(value),
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Err(err) => match vm.take_uncaught_value() {
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Some(original) => NativeResult::Err(original),
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None => NativeResult::Err(crate::error::create_from_text(vm, &err)),
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},
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}
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}
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pub(crate) fn unexpected_tail_call_error<H: VmHost>(vm: &mut H) -> NativeResult {
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NativeResult::Err(crate::error::create_type_error(vm, "unexpected tail call in array callback"))
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}
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@@ -8,244 +8,8 @@ use oxide_runtime_api::{NativeResult, VmHost};
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use crate::builtins_debug;
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use crate::builtins_error;
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macro_rules! array_ptr {
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($vm:expr, $args:expr) => {{
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match get_this_array_ref($vm, $vm.reg($args[0])) {
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Ok(ptr) => ptr,
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Err(err) => {
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builtins_error!("Array method: invalid receiver");
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return NativeResult::Err(err);
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}
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}
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}};
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}
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#[allow(unused_macros)]
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macro_rules! array_ptr_len {
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($vm:expr, $args:expr) => {{
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let this_val = $vm.reg($args[0]);
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let (arr_ptr, len, _is_arr) = match get_this_arraylike($vm, this_val) {
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Ok(v) => v,
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Err(err) => {
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builtins_error!("Array method: invalid receiver");
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return NativeResult::Err(err);
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}
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};
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(arr_ptr, len)
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}};
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}
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macro_rules! array_ptr_len3 {
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($vm:expr, $args:expr) => {{
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let this_val = $vm.reg($args[0]);
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let (arr_ptr, len, is_arr) = match get_this_arraylike($vm, this_val) {
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Ok(v) => v,
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Err(err) => {
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builtins_error!("Array method: invalid receiver");
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return NativeResult::Err(err);
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}
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};
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(arr_ptr, len, is_arr)
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}};
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}
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fn array_type_error<H: VmHost>(vm: &mut H, msg: &str) -> JsValue {
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crate::error::create_type_error(vm, msg)
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}
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fn get_this_array_ref<H: VmHost>(vm: &mut H, val: JsValue) -> Result<*mut JsObject, JsValue> {
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if !val.is_object() {
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return Err(array_type_error(vm, "Array method called on incompatible receiver"));
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}
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let ptr = val.as_js_object_ptr();
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if ptr.is_null() {
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return Err(array_type_error(vm, "Array method called on incompatible receiver"));
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}
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let obj = unsafe { &*ptr };
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if !obj.is_array() {
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return Err(array_type_error(vm, "Array method called on incompatible receiver"));
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}
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Ok(ptr)
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}
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/// 接受 array 或 ArrayLike (object with length property) — for read-only methods.
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/// 返回 (object_ptr, length, is_real_array)
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#[inline(always)]
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fn get_this_arraylike<H: VmHost>(vm: &mut H, val: JsValue) -> Result<(*mut JsObject, usize, bool), JsValue> {
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if !val.is_object() {
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return Err(array_type_error(vm, "Array.prototype method called on null or undefined"));
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}
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let ptr = val.as_js_object_ptr();
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if ptr.is_null() {
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return Err(array_type_error(vm, "Array.prototype method called on null or undefined"));
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}
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let obj = unsafe { &*ptr };
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let is_array = obj.is_array();
|
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// 读取 length 属性（按规范 Get 语义，getter 抛错需向上传播）。
|
||||
// 真数组也走 Get：`arr.length = N` 已由 ordinary_set 的数组分支同步元素区，
|
||||
// 直接 prop_count() 会漏掉 length 赋值。
|
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let length_key = vm.new_string("length");
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let length_si = vm.property_key_si(length_key);
|
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let len_val = match vm.ordinary_get(unsafe { &*ptr }, length_si, val) {
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Ok(v) => v,
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Err(msg) => return Err(from_engine_error(vm, &msg)),
|
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};
|
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if len_val.is_symbol() {
|
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return Err(array_type_error(vm, "Cannot convert a Symbol value to a number"));
|
||||
}
|
||||
let len_num = match vm.coerce_number_bounded(len_val) {
|
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Ok(v) => v,
|
||||
Err(msg) => return Err(from_engine_error(vm, &msg)),
|
||||
};
|
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// ToLength：min(max(0, ToIntegerOrInfinity(len)), 2**53-1)
|
||||
let len = if len_num.is_nan() || len_num <= 0.0 {
|
||||
0
|
||||
} else {
|
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len_num.min(9_007_199_254_740_991.0) as usize
|
||||
};
|
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Ok((ptr, len, is_array))
|
||||
}
|
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|
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/// 从 arraylike 读取 index 位置元素（按规范 Get：访问器/原型链/异常完整传播）。
|
||||
#[inline(always)]
|
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fn arraylike_get<H: VmHost>(vm: &mut H, ptr: *mut JsObject, i: usize) -> Result<JsValue, JsValue> {
|
||||
// 真数组密集直读快路径：无元素 meta（无 hole / accessor，O(1) 空指针判定）且
|
||||
// 索引在元素区内时，直接读数据槽，免每元素构造数字串 + 属性键转换。
|
||||
// 语义与 ordinary_get 一致：`array_elements_meta_vec().is_none()` 保证该索引
|
||||
// 恒为数据属性（见 vm_props.rs ordinary_get_inner 数组分支）。
|
||||
let obj = unsafe { &*ptr };
|
||||
if obj.is_array() && obj.array_elements_meta_vec().is_none() && i < obj.array_prop_count as usize {
|
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return Ok(obj.get_prop_at(i));
|
||||
}
|
||||
let key_str = vm.new_string(&i.to_string());
|
||||
let key_si = vm.property_key_si(key_str);
|
||||
let recv = JsValue::from_js_object(ptr);
|
||||
match vm.ordinary_get(obj, key_si, recv) {
|
||||
Ok(v) => Ok(v),
|
||||
Err(msg) => Err(from_engine_error(vm, &msg)),
|
||||
}
|
||||
}
|
||||
|
||||
/// 元素读取失败时直接把异常作为 NativeResult::Err 返回。
|
||||
macro_rules! arraylike_get_or_err {
|
||||
($vm:expr, $ptr:expr, $i:expr) => {
|
||||
match arraylike_get($vm, $ptr, $i) {
|
||||
Ok(v) => v,
|
||||
Err(err) => return NativeResult::Err(err),
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
/// 数组下标转 JsValue：超出 i32 范围时用 double 精确表示。
|
||||
#[inline(always)]
|
||||
fn js_array_index(i: usize) -> JsValue {
|
||||
if i <= i32::MAX as usize {
|
||||
JsValue::int(i as i32)
|
||||
} else {
|
||||
JsValue::float(i as f64)
|
||||
}
|
||||
}
|
||||
|
||||
/// ToIntegerOrInfinity 的 builtins 版本：对象经 ToPrimitive(number) 后取整，
|
||||
/// NaN/±0 → 0，±Inf 保留；转换异常向上传播。
|
||||
fn to_integer_or_infinity_bounded<H: VmHost>(vm: &mut H, val: JsValue) -> Result<f64, JsValue> {
|
||||
let n = match vm.coerce_number_bounded(val) {
|
||||
Ok(v) => v,
|
||||
Err(msg) => return Err(from_engine_error(vm, &msg)),
|
||||
};
|
||||
Ok(if n.is_nan() || n == 0.0 { 0.0 } else { n.trunc() })
|
||||
}
|
||||
|
||||
/// 把 ToIntegerOrInfinity 结果夹到 [0, len]：负数按 len+rel，正无穷取 len。
|
||||
#[inline(always)]
|
||||
fn clamp_relative(rel: f64, n_f: f64, n: usize) -> usize {
|
||||
if rel.is_infinite() {
|
||||
if rel < 0.0 {
|
||||
0
|
||||
} else {
|
||||
n
|
||||
}
|
||||
} else if rel < 0.0 {
|
||||
(n_f + rel).max(0.0) as usize
|
||||
} else {
|
||||
rel.min(n_f) as usize
|
||||
}
|
||||
}
|
||||
|
||||
/// IsConstructor 的近似判定（与 construct_array_from_result 保持一致）。
|
||||
#[inline]
|
||||
fn is_constructor_value(c: JsValue) -> bool {
|
||||
if !c.is_object() {
|
||||
return false;
|
||||
}
|
||||
let c_obj = unsafe { &*c.as_js_object_ptr() };
|
||||
c_obj.is_function()
|
||||
&& !c_obj.is_arrow()
|
||||
&& !(c_obj.native_fn().is_some() && c_obj.type_tag != JsObject::OBJ_TYPE_CONSTRUCTOR)
|
||||
}
|
||||
pub(crate) fn require_callback<H: VmHost>(vm: &mut H, callback_val: JsValue) -> Result<JsValue, JsValue> {
|
||||
if !callback_val.is_object() {
|
||||
return Err(array_type_error(vm, "callback is not a function"));
|
||||
}
|
||||
let ptr = callback_val.as_js_object_ptr();
|
||||
if ptr.is_null() || !unsafe { &*ptr }.is_function() {
|
||||
return Err(array_type_error(vm, "callback is not a function"));
|
||||
}
|
||||
Ok(callback_val)
|
||||
}
|
||||
|
||||
fn create_new_array<H: VmHost>(vm: &mut H, n: usize) -> *mut JsObject {
|
||||
let proto = vm.session().builtin_world().array_proto.as_ptr() as *mut JsObject;
|
||||
vm.alloc_object(JsObject::new_array(
|
||||
EMPTY_SHAPE_ID,
|
||||
JsValue::from_js_object(proto),
|
||||
n.min(MAX_DENSE_PROPS),
|
||||
vm.epoch().bump(),
|
||||
))
|
||||
}
|
||||
|
||||
/// ArrayCreate ?????length > 2**32 - 1 ? RangeError??????/???????
|
||||
fn check_array_create_len<H: VmHost>(vm: &mut H, n: usize) -> Result<(), JsValue> {
|
||||
if n > u32::MAX as usize {
|
||||
return Err(crate::error::create_range_error(vm, "Invalid array length"));
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn array_length_arg<H: VmHost>(vm: &mut H, value: JsValue) -> Result<usize, JsValue> {
|
||||
let n = vm.coerce_number_bounded(value).unwrap_or(f64::NAN);
|
||||
if !n.is_finite() || n < 0.0 || n.fract() != 0.0 || n > MAX_DENSE_PROPS as f64 {
|
||||
return Err(crate::error::create_range_error(vm, "Invalid array length"));
|
||||
}
|
||||
Ok(n as usize)
|
||||
}
|
||||
|
||||
pub(crate) fn invoke_native_callback<H: VmHost>(
|
||||
vm: &mut H, callback_val: JsValue, this_val: JsValue, cb_args: &[JsValue],
|
||||
) -> NativeResult {
|
||||
if !callback_val.is_object() {
|
||||
return NativeResult::Err(crate::error::create_type_error(vm, "callback is not a function"));
|
||||
}
|
||||
let cb_ptr = callback_val.as_js_object_ptr();
|
||||
if cb_ptr.is_null() {
|
||||
return NativeResult::Err(crate::error::create_type_error(vm, "callback is not a function"));
|
||||
}
|
||||
let cb = unsafe { &*cb_ptr };
|
||||
if !cb.is_function() {
|
||||
return NativeResult::Err(crate::error::create_type_error(vm, "callback is not a function"));
|
||||
}
|
||||
match vm.call_function_sync(callback_val, this_val, cb_args) {
|
||||
Ok(value) => NativeResult::Ok(value),
|
||||
Err(err) => match vm.take_uncaught_value() {
|
||||
Some(original) => NativeResult::Err(original),
|
||||
None => NativeResult::Err(crate::error::create_from_text(vm, &err)),
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
fn unexpected_tail_call_error<H: VmHost>(vm: &mut H) -> NativeResult {
|
||||
NativeResult::Err(crate::error::create_type_error(vm, "unexpected tail call in array callback"))
|
||||
}
|
||||
mod common;
|
||||
pub(crate) use common::*;
|
||||
|
||||
/// JS `Array()` 构造逻辑：单个数字参数创建指定长度空数组，其余情况把参数作为元素。
|
||||
pub fn array_constructor<H: VmHost>(vm: &mut H, args: &[u8]) -> NativeResult {
|
||||
|
||||
Reference in New Issue
Block a user