feat: 实现错误内置对象模型

2026-06-07 10:20:14 +08:00
parent bb3eba16b8
commit 2063f4731b
5 changed files with 342 additions and 1 deletions
@@ -0,0 +1,115 @@
+use std::sync::Arc;
+
+use oxide_kernel::shape_forge::EMPTY_SHAPE_ID;
+use oxide_types::mem::P;
+use oxide_types::object::JsObject;
+use oxide_types::value::JsValue;
+
+use crate::coercion;
+use crate::native::NativeResult;
+use crate::vm::Vm;
+
+fn create_error_object(
+    vm: &mut Vm,
+    error_proto_ptr: *mut JsObject,
+    name: &str,
+    message: &str,
+) -> JsValue {
+    let obj = vm.epoch().alloc(JsObject::new_empty(
+        EMPTY_SHAPE_ID,
+        JsValue::from_js_object(error_proto_ptr),
+    ));
+
+    let sf = Arc::clone(vm.kernel().string_forge());
+    let sh = Arc::clone(vm.kernel().shape_forge());
+
+    let si_message = sf.intern("message").0;
+    let sh_message = sh.make_shape(EMPTY_SHAPE_ID, si_message);
+    let msg_val = vm.intern(message);
+    unsafe {
+        (*obj).set_shape_id(sh_message);
+        (*obj).set_prop_count(1);
+        (*obj).set_inline_prop(0, msg_val);
+    }
+
+    let si_name = sf.intern("name").0;
+    let sh_name = sh.make_shape(sh_message, si_name);
+    let name_val = vm.intern(name);
+    unsafe {
+        (*obj).set_shape_id(sh_name);
+        (*obj).set_prop_count(2);
+        (*obj).set_inline_prop(1, name_val);
+    }
+
+    JsValue::from_js_object(obj)
+}
+
+pub fn create_type_error(vm: &mut Vm, msg: &str) -> JsValue {
+    let proto_ptr = P::as_ptr(&vm.kernel().builtin_world().type_error_proto) as *mut JsObject;
+    create_error_object(vm, proto_ptr, "TypeError", msg)
+}
+
+pub fn create_reference_error(vm: &mut Vm, msg: &str) -> JsValue {
+    let proto_ptr = P::as_ptr(&vm.kernel().builtin_world().reference_error_proto) as *mut JsObject;
+    create_error_object(vm, proto_ptr, "ReferenceError", msg)
+}
+
+pub fn create_range_error(vm: &mut Vm, msg: &str) -> JsValue {
+    let proto_ptr = P::as_ptr(&vm.kernel().builtin_world().range_error_proto) as *mut JsObject;
+    create_error_object(vm, proto_ptr, "RangeError", msg)
+}
+
+pub fn create_syntax_error(vm: &mut Vm, msg: &str) -> JsValue {
+    let proto_ptr = P::as_ptr(&vm.kernel().builtin_world().syntax_error_proto) as *mut JsObject;
+    create_error_object(vm, proto_ptr, "SyntaxError", msg)
+}
+
+fn get_msg(vm: &mut Vm, args: &[u8]) -> String {
+    if args.len() > 1 {
+        coercion::to_string(vm.kernel().string_forge().as_ref(), vm.reg(args[1]))
+    } else {
+        String::new()
+    }
+}
+
+pub fn error_constructor(vm: &mut Vm, args: &[u8]) -> NativeResult {
+    let msg = get_msg(vm, args);
+    let proto_ptr = P::as_ptr(&vm.kernel().builtin_world().error_proto) as *mut JsObject;
+    Ok(create_error_object(vm, proto_ptr, "Error", &msg))
+}
+
+pub fn type_error_constructor(vm: &mut Vm, args: &[u8]) -> NativeResult {
+    let msg = get_msg(vm, args);
+    let proto_ptr = P::as_ptr(&vm.kernel().builtin_world().type_error_proto) as *mut JsObject;
+    Ok(create_error_object(vm, proto_ptr, "TypeError", &msg))
+}
+
+pub fn reference_error_constructor(vm: &mut Vm, args: &[u8]) -> NativeResult {
+    let msg = get_msg(vm, args);
+    let proto_ptr = P::as_ptr(&vm.kernel().builtin_world().reference_error_proto) as *mut JsObject;
+    Ok(create_error_object(vm, proto_ptr, "ReferenceError", &msg))
+}
+
+pub fn range_error_constructor(vm: &mut Vm, args: &[u8]) -> NativeResult {
+    let msg = get_msg(vm, args);
+    let proto_ptr = P::as_ptr(&vm.kernel().builtin_world().range_error_proto) as *mut JsObject;
+    Ok(create_error_object(vm, proto_ptr, "RangeError", &msg))
+}
+
+pub fn syntax_error_constructor(vm: &mut Vm, args: &[u8]) -> NativeResult {
+    let msg = get_msg(vm, args);
+    let proto_ptr = P::as_ptr(&vm.kernel().builtin_world().syntax_error_proto) as *mut JsObject;
+    Ok(create_error_object(vm, proto_ptr, "SyntaxError", &msg))
+}
+
+pub fn uri_error_constructor(vm: &mut Vm, args: &[u8]) -> NativeResult {
+    let msg = get_msg(vm, args);
+    let proto_ptr = P::as_ptr(&vm.kernel().builtin_world().uri_error_proto) as *mut JsObject;
+    Ok(create_error_object(vm, proto_ptr, "URIError", &msg))
+}
+
+pub fn eval_error_constructor(vm: &mut Vm, args: &[u8]) -> NativeResult {
+    let msg = get_msg(vm, args);
+    let proto_ptr = P::as_ptr(&vm.kernel().builtin_world().eval_error_proto) as *mut JsObject;
+    Ok(create_error_object(vm, proto_ptr, "EvalError", &msg))
+}