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fix: TypedArray 元素写入进 buffer + BYTES_PER_ELEMENT 属性

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彭俊皓
2026-08-08 21:41:33 +08:00
parent 8744a15e68
commit 9e3be30fe8
4 changed files with 222 additions and 2 deletions
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crates/oxide_vm/src/bindings/bind_typed_array.rs
+51 -2
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@@ -3,13 +3,40 @@ use std::sync::Arc;
use crate::bind_constructor;
use crate::bindings::{apply_binding_table, configure_native_constructor};
use oxide_kernel::kernel::{KernelCore, KernelSession};
use oxide_types::object::JsObject;
use oxide_types::object::{JsObject, PropAttributes};
use oxide_types::value::JsValue;
/// 给构造器与对应原型设置 `BYTES_PER_ELEMENT`（只读、不可枚举、不可配置）。
///
/// # 步骤
/// 1. 构造器走 hash_props 存储（与 `bind_constructor` 的 hash 路径一致）。
/// 2. 原型走 shape 属性存储（与 `bind_method`/`bind_accessor_getter` 一致）。
fn set_bypes_per_element(core: &Arc<KernelCore>, ctor_ptr: *mut JsObject, proto_ptr: *mut JsObject, bpe: u32) {
let bpe_si = core.perm_interner().intern("BYTES_PER_ELEMENT").0;
let bpe_val = JsValue::int(bpe as i32);
let attrs = PropAttributes::new(false, false, false);
let ctor = unsafe { &mut *ctor_ptr };
ctor.ensure_hash_props().push(bpe_val);
let ctor_pos = ctor.ensure_hash_props().len() - 1;
let ctor_shape = core.shape_forge().make_shape(ctor.shape_id(), bpe_si);
ctor.set_shape_id(ctor_shape);
ctor.set_data_meta(ctor_pos as u32, attrs);
let proto = unsafe { &mut *proto_ptr };
let proto_shape = core.shape_forge().make_shape(proto.shape_id(), bpe_si);
proto.set_shape_id(proto_shape);
let proto_pos = proto.push_prop(bpe_val);
proto.set_data_meta(proto_pos as u32, attrs);
proto.bump_generation();
}
macro_rules! bind_typed_array_constructor {
($core:expr, $global:expr, $name:literal, $ctor_ptr:expr, $ctor_fn:path) => {{
($core:expr, $global:expr, $name:literal, $ctor_ptr:expr, $proto_ptr:expr, $bpe:expr, $ctor_fn:path) => {{
let ctor = unsafe { &mut *$ctor_ptr };
configure_native_constructor(ctor, ($ctor_fn as fn(&mut $crate::vm::Vm, &[u8]) -> oxide_runtime_api::NativeResult) as *const (), 1);
bind_constructor!($core, $global, $name, $ctor_ptr, $ctor_fn, 1, hash: true);
set_bypes_per_element($core, $ctor_ptr, $proto_ptr, $bpe);
}};
}
@@ -44,6 +71,8 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
global,
"Int8Array",
session.builtin_world().int8array_constructor.as_ptr() as *mut JsObject,
session.builtin_world().int8array_proto.as_ptr() as *mut JsObject,
1,
oxide_builtins::typed_array::int8array_constructor
);
bind_typed_array_constructor!(
@@ -51,6 +80,8 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
global,
"Uint8Array",
session.builtin_world().uint8array_constructor.as_ptr() as *mut JsObject,
session.builtin_world().uint8array_proto.as_ptr() as *mut JsObject,
1,
oxide_builtins::typed_array::uint8array_constructor
);
bind_typed_array_constructor!(
@@ -58,6 +89,8 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
global,
"Uint8ClampedArray",
session.builtin_world().uint8clampedarray_constructor.as_ptr() as *mut JsObject,
session.builtin_world().uint8clampedarray_proto.as_ptr() as *mut JsObject,
1,
oxide_builtins::typed_array::uint8clampedarray_constructor
);
bind_typed_array_constructor!(
@@ -65,6 +98,8 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
global,
"Int16Array",
session.builtin_world().int16array_constructor.as_ptr() as *mut JsObject,
session.builtin_world().int16array_proto.as_ptr() as *mut JsObject,
2,
oxide_builtins::typed_array::int16array_constructor
);
bind_typed_array_constructor!(
@@ -72,6 +107,8 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
global,
"Uint16Array",
session.builtin_world().uint16array_constructor.as_ptr() as *mut JsObject,
session.builtin_world().uint16array_proto.as_ptr() as *mut JsObject,
2,
oxide_builtins::typed_array::uint16array_constructor
);
bind_typed_array_constructor!(
@@ -79,6 +116,8 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
global,
"Int32Array",
session.builtin_world().int32array_constructor.as_ptr() as *mut JsObject,
session.builtin_world().int32array_proto.as_ptr() as *mut JsObject,
4,
oxide_builtins::typed_array::int32array_constructor
);
bind_typed_array_constructor!(
@@ -86,6 +125,8 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
global,
"Uint32Array",
session.builtin_world().uint32array_constructor.as_ptr() as *mut JsObject,
session.builtin_world().uint32array_proto.as_ptr() as *mut JsObject,
4,
oxide_builtins::typed_array::uint32array_constructor
);
bind_typed_array_constructor!(
@@ -93,6 +134,8 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
global,
"Float32Array",
session.builtin_world().float32array_constructor.as_ptr() as *mut JsObject,
session.builtin_world().float32array_proto.as_ptr() as *mut JsObject,
4,
oxide_builtins::typed_array::float32array_constructor
);
bind_typed_array_constructor!(
@@ -100,6 +143,8 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
global,
"Float64Array",
session.builtin_world().float64array_constructor.as_ptr() as *mut JsObject,
session.builtin_world().float64array_proto.as_ptr() as *mut JsObject,
8,
oxide_builtins::typed_array::float64array_constructor
);
bind_typed_array_constructor!(
@@ -107,6 +152,8 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
global,
"BigInt64Array",
session.builtin_world().bigint64array_constructor.as_ptr() as *mut JsObject,
session.builtin_world().bigint64array_proto.as_ptr() as *mut JsObject,
8,
oxide_builtins::typed_array::bigint64array_constructor
);
bind_typed_array_constructor!(
@@ -114,6 +161,8 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
global,
"BigUint64Array",
session.builtin_world().biguint64array_constructor.as_ptr() as *mut JsObject,
session.builtin_world().biguint64array_proto.as_ptr() as *mut JsObject,
8,
oxide_builtins::typed_array::biguint64array_constructor
);
}