42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
/*
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibJS/Runtime/AbstractOperations.h>
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#include <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/FunctionObject.h>
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namespace JS {
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// 9.5.1 JobCallback Records, https://tc39.es/ecma262/#sec-jobcallback-records
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struct JobCallback {
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struct CustomData {
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virtual ~CustomData() = default;
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};
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Handle<FunctionObject> callback;
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OwnPtr<CustomData> custom_data { nullptr };
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};
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// 9.5.2 HostMakeJobCallback ( callback ), https://tc39.es/ecma262/#sec-hostmakejobcallback
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inline JobCallback make_job_callback(FunctionObject& callback)
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{
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// 1. Return the JobCallback Record { [[Callback]]: callback, [[HostDefined]]: empty }.
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return { make_handle(&callback) };
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}
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// 9.5.3 HostCallJobCallback ( jobCallback, V, argumentsList ), https://tc39.es/ecma262/#sec-hostcalljobcallback
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inline ThrowCompletionOr<Value> call_job_callback(GlobalObject& global_object, JobCallback& job_callback, Value this_value, MarkedVector<Value> arguments_list)
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{
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// 1. Assert: IsCallable(jobCallback.[[Callback]]) is true.
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VERIFY(!job_callback.callback.is_null());
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// 2. Return ? Call(jobCallback.[[Callback]], V, argumentsList).
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return call(global_object, job_callback.callback.cell(), this_value, move(arguments_list));
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}
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}
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