45557b1f89
Bug: v8:7793 Change-Id: Id2a93f8ac8c512dbc5cdeb43a97e04d8d6684954 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2196130 Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#67748}
91 lines
3.6 KiB
Plaintext
91 lines
3.6 KiB
Plaintext
// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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namespace reflect {
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// ES6 section 26.1.10 Reflect.isExtensible
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transitioning javascript builtin
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ReflectIsExtensible(js-implicit context: NativeContext)(object: JSAny): JSAny {
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const objectJSReceiver = Cast<JSReceiver>(object)
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otherwise ThrowTypeError(
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MessageTemplate::kCalledOnNonObject, 'Reflect.isExtensible');
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return object::ObjectIsExtensibleImpl(objectJSReceiver);
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}
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// ES6 section 26.1.12 Reflect.preventExtensions
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transitioning javascript builtin
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ReflectPreventExtensions(js-implicit context: NativeContext)(object: JSAny):
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JSAny {
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const objectJSReceiver = Cast<JSReceiver>(object)
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otherwise ThrowTypeError(
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MessageTemplate::kCalledOnNonObject, 'Reflect.preventExtensions');
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return object::ObjectPreventExtensionsDontThrow(objectJSReceiver);
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}
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// ES6 section 26.1.8 Reflect.getPrototypeOf
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transitioning javascript builtin
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ReflectGetPrototypeOf(js-implicit context: NativeContext)(object: JSAny):
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JSAny {
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const objectJSReceiver = Cast<JSReceiver>(object)
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otherwise ThrowTypeError(
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MessageTemplate::kCalledOnNonObject, 'Reflect.getPrototypeOf');
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return object::JSReceiverGetPrototypeOf(objectJSReceiver);
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}
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// ES6 section 26.1.14 Reflect.setPrototypeOf
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transitioning javascript builtin ReflectSetPrototypeOf(
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js-implicit context: NativeContext)(object: JSAny, proto: JSAny): JSAny {
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const objectJSReceiver = Cast<JSReceiver>(object)
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otherwise ThrowTypeError(
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MessageTemplate::kCalledOnNonObject, 'Reflect.setPrototypeOf');
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typeswitch (proto) {
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case (proto: JSReceiver|Null): {
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return object::ObjectSetPrototypeOfDontThrow(objectJSReceiver, proto);
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}
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case (JSAny): {
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ThrowTypeError(MessageTemplate::kProtoObjectOrNull, proto);
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}
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}
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}
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extern transitioning builtin ToName(implicit context: Context)(JSAny): AnyName;
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type OnNonExistent constexpr 'OnNonExistent';
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const kReturnUndefined: constexpr OnNonExistent
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generates 'OnNonExistent::kReturnUndefined';
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extern macro SmiConstant(constexpr OnNonExistent): Smi;
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extern transitioning builtin GetPropertyWithReceiver(implicit context: Context)(
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JSAny, Name, JSAny, Smi): JSAny;
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// ES6 section 26.1.6 Reflect.get
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transitioning javascript builtin
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ReflectGet(js-implicit context: NativeContext)(...arguments): JSAny {
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const object: JSAny = arguments[0];
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const objectJSReceiver = Cast<JSReceiver>(object)
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otherwise ThrowTypeError(MessageTemplate::kCalledOnNonObject, 'Reflect.get');
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const propertyKey: JSAny = arguments[1];
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const name: AnyName = ToName(propertyKey);
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const receiver: JSAny =
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arguments.length > 2 ? arguments[2] : objectJSReceiver;
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return GetPropertyWithReceiver(
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objectJSReceiver, name, receiver, SmiConstant(kReturnUndefined));
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}
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// ES6 section 26.1.4 Reflect.deleteProperty
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transitioning javascript builtin ReflectDeleteProperty(
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js-implicit context: NativeContext)(object: JSAny, key: JSAny): JSAny {
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const objectJSReceiver = Cast<JSReceiver>(object)
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otherwise ThrowTypeError(
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MessageTemplate::kCalledOnNonObject, 'Reflect.deleteProperty');
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return DeleteProperty(objectJSReceiver, key, LanguageMode::kSloppy);
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}
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// ES section #sec-reflect.has
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transitioning javascript builtin
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ReflectHas(js-implicit context: NativeContext)(
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object: JSAny, key: JSAny): JSAny {
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const objectJSReceiver = Cast<JSReceiver>(object)
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otherwise ThrowTypeError(MessageTemplate::kCalledOnNonObject, 'Reflect.has');
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return HasProperty(objectJSReceiver, key);
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}
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} // namespace reflect
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