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// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
namespace runtime {
extern transitioning runtime
ObjectIsExtensible(implicit context: Context)(JSAny): JSAny;
extern transitioning runtime
JSReceiverPreventExtensionsThrow(implicit context: Context)(JSReceiver):
JSAny;
extern transitioning runtime
JSReceiverPreventExtensionsDontThrow(implicit context: Context)(JSReceiver):
JSAny;
extern transitioning runtime
JSReceiverGetPrototypeOf(implicit context: Context)(JSReceiver): JSAny;
extern transitioning runtime
JSReceiverSetPrototypeOfThrow(implicit context: Context)(JSReceiver, JSAny):
JSAny;
extern transitioning runtime
JSReceiverSetPrototypeOfDontThrow(implicit context:
Context)(JSReceiver, JSAny): JSAny;
} // namespace runtime
namespace object {
transitioning macro
ObjectIsExtensible(implicit context: Context)(object: JSAny): JSAny {
const objectJSReceiver = Cast<JSReceiver>(object) otherwise return False;
const objectJSProxy = Cast<JSProxy>(objectJSReceiver)
otherwise return runtime::ObjectIsExtensible(objectJSReceiver);
return proxy::ProxyIsExtensible(objectJSProxy);
}
transitioning macro
ObjectPreventExtensionsThrow(implicit context: Context)(object: JSAny):
JSAny {
const objectJSReceiver = Cast<JSReceiver>(object) otherwise return object;
const objectJSProxy = Cast<JSProxy>(objectJSReceiver)
otherwise return runtime::JSReceiverPreventExtensionsThrow(
objectJSReceiver);
proxy::ProxyPreventExtensions(objectJSProxy, True);
return objectJSReceiver;
}
transitioning macro
ObjectPreventExtensionsDontThrow(implicit context: Context)(object: JSAny):
JSAny {
const objectJSReceiver = Cast<JSReceiver>(object) otherwise return False;
const objectJSProxy = Cast<JSProxy>(objectJSReceiver)
otherwise return runtime::JSReceiverPreventExtensionsDontThrow(
objectJSReceiver);
return proxy::ProxyPreventExtensions(objectJSProxy, False);
}
transitioning macro
ObjectGetPrototypeOf(implicit context: Context)(object: JSAny): JSAny {
const objectJSReceiver: JSReceiver = ToObject_Inline(context, object);
return object::JSReceiverGetPrototypeOf(objectJSReceiver);
}
transitioning macro
JSReceiverGetPrototypeOf(implicit context: Context)(object: JSReceiver):
JSAny {
const objectJSProxy = Cast<JSProxy>(object)
otherwise return runtime::JSReceiverGetPrototypeOf(object);
return proxy::ProxyGetPrototypeOf(objectJSProxy);
}
transitioning macro
ObjectSetPrototypeOfThrow(implicit context: Context)(
object: JSAny, proto: JSReceiver | Null): JSAny {
const objectJSReceiver = Cast<JSReceiver>(object) otherwise return object;
const objectJSProxy = Cast<JSProxy>(objectJSReceiver)
otherwise return runtime::JSReceiverSetPrototypeOfThrow(
objectJSReceiver, proto);
proxy::ProxySetPrototypeOf(objectJSProxy, proto, True);
return objectJSReceiver;
}
transitioning macro
ObjectSetPrototypeOfDontThrow(implicit context: Context)(
object: JSAny, proto: JSReceiver | Null): JSAny {
const objectJSReceiver = Cast<JSReceiver>(object) otherwise return False;
const objectJSProxy = Cast<JSProxy>(objectJSReceiver)
otherwise return runtime::JSReceiverSetPrototypeOfDontThrow(
objectJSReceiver, proto);
return proxy::ProxySetPrototypeOf(objectJSProxy, proto, False);
}
} // namespace object
namespace object_isextensible {
// ES6 section 19.1.2.11 Object.isExtensible ( O )
transitioning javascript builtin
ObjectIsExtensible(js-implicit context: Context)(object: JSAny): JSAny {
return object::ObjectIsExtensible(object);
}
} // namespace object_isextensible
namespace object_preventextensions {
// ES6 section 19.1.2.11 Object.isExtensible ( O )
transitioning javascript builtin
ObjectPreventExtensions(js-implicit context: Context)(object: JSAny): JSAny {
return object::ObjectPreventExtensionsThrow(object);
}
} // namespace object_preventextensions
namespace object_getprototypeof {
// ES6 section 19.1.2.9 Object.getPrototypeOf ( O )
transitioning javascript builtin
ObjectGetPrototypeOf(js-implicit context: Context)(object: JSAny): JSAny {
return object::ObjectGetPrototypeOf(object);
}
} // namespace object_getprototypeof
namespace object_setprototypeof {
// ES6 section 19.1.2.21 Object.setPrototypeOf ( O, proto )
transitioning javascript builtin ObjectSetPrototypeOf(
js-implicit context: Context)(object: JSAny, proto: JSAny): JSAny {
// 1. Set O to ? RequireObjectCoercible(O).
RequireObjectCoercible(object, 'Object.setPrototypeOf');
// 2. If Type(proto) is neither Object nor Null, throw a TypeError
// exception.
// 3. If Type(O) is not Object, return O.
// 4. Let status be ? O.[[SetPrototypeOf]](proto).
// 5. If status is false, throw a TypeError exception.
// 6. Return O.
typeswitch (proto) {
case (proto: JSReceiver | Null): {
return object::ObjectSetPrototypeOfThrow(object, proto);
}
case (JSAny): {
ThrowTypeError(kProtoObjectOrNull, proto);
}
}
}
} // namespace object_setprototypeof