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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.
#include 'src/builtins/builtins-proxy-gen.h'
namespace proxy {
// Proxy Revocation Functions
// https://tc39.github.io/ecma262/#sec-proxy-revocation-functions
transitioning javascript builtin ProxyRevoke(js-implicit context: Context)():
Undefined {
const context = %RawDownCast<ProxyRevokeFunctionContext>(context);
// 1. Let p be F.[[RevocableProxy]].
const proxySlot:&(JSProxy | Null) =
ContextSlot(context, ProxyRevokeFunctionContextSlot::kProxySlot);
typeswitch (*proxySlot) {
case (Null): {
// 2. If p is null, return undefined
return Undefined;
}
case (proxy: JSProxy): {
// 3. Set F.[[RevocableProxy]] to null.
*proxySlot = Null;
// 4. Assert: p is a Proxy object.
dcheck(Is<JSProxy>(proxy));
// 5. Set p.[[ProxyTarget]] to null.
proxy.target = Null;
// 6. Set p.[[ProxyHandler]] to null.
proxy.handler = Null;
// 7. Return undefined.
return Undefined;
}
}
}
}
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