ladybird/Userland/Libraries/LibJS/Runtime/JobCallback.cpp
Andreas Kling ece961f882 LibJS: Pass call/construct argument lists as ReadonlySpan<Value>
(Instead of MarkedVector<Value>.) This is a step towards not storing
argument lists in MarkedVector<Value> at all. Note that they still end
up in MarkedVectors since that's what ExecutionContext has.
2023-11-29 09:48:18 +01:00

30 lines
1 KiB
C++

/*
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/AbstractOperations.h>
#include <LibJS/Runtime/FunctionObject.h>
#include <LibJS/Runtime/JobCallback.h>
namespace JS {
// 9.5.2 HostMakeJobCallback ( callback ), https://tc39.es/ecma262/#sec-hostmakejobcallback
JobCallback make_job_callback(FunctionObject& callback)
{
// 1. Return the JobCallback Record { [[Callback]]: callback, [[HostDefined]]: empty }.
return { make_handle(&callback) };
}
// 9.5.3 HostCallJobCallback ( jobCallback, V, argumentsList ), https://tc39.es/ecma262/#sec-hostcalljobcallback
ThrowCompletionOr<Value> call_job_callback(VM& vm, JobCallback& job_callback, Value this_value, ReadonlySpan<Value> arguments_list)
{
// 1. Assert: IsCallable(jobCallback.[[Callback]]) is true.
VERIFY(!job_callback.callback.is_null());
// 2. Return ? Call(jobCallback.[[Callback]], V, argumentsList).
return call(vm, job_callback.callback.cell(), this_value, arguments_list);
}
}