mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-08 18:01:37 +00:00
100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
/*
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* Copyright (C) 2013-2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "JSMicrotask.h"
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#include "CatchScope.h"
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#include "Debugger.h"
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#include "JSGlobalObject.h"
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#include "JSObjectInlines.h"
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#include "Microtask.h"
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#include "StrongInlines.h"
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namespace JSC {
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class JSMicrotask final : public Microtask {
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public:
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static constexpr unsigned maxArguments = 3;
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JSMicrotask(VM& vm, JSValue job, JSValue argument0, JSValue argument1, JSValue argument2)
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{
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m_job.set(vm, job);
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m_arguments[0].set(vm, argument0);
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m_arguments[1].set(vm, argument1);
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m_arguments[2].set(vm, argument2);
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}
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JSMicrotask(VM& vm, JSValue job)
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{
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m_job.set(vm, job);
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}
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private:
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void run(JSGlobalObject*) final;
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Strong<Unknown> m_job;
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Strong<Unknown> m_arguments[maxArguments];
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};
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Ref<Microtask> createJSMicrotask(VM& vm, JSValue job)
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{
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return adoptRef(*new JSMicrotask(vm, job));
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}
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Ref<Microtask> createJSMicrotask(VM& vm, JSValue job, JSValue argument0, JSValue argument1, JSValue argument2)
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{
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return adoptRef(*new JSMicrotask(vm, job, argument0, argument1, argument2));
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}
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void JSMicrotask::run(JSGlobalObject* globalObject)
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{
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VM& vm = globalObject->vm();
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auto scope = DECLARE_CATCH_SCOPE(vm);
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auto handlerCallData = getCallData(vm, m_job.get());
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ASSERT(handlerCallData.type != CallData::Type::None);
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MarkedArgumentBuffer handlerArguments;
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for (unsigned index = 0; index < maxArguments; ++index) {
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JSValue arg = m_arguments[index].get();
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if (!arg)
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break;
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handlerArguments.append(arg);
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}
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if (UNLIKELY(handlerArguments.hasOverflowed()))
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return;
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if (UNLIKELY(globalObject->hasDebugger()))
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globalObject->debugger()->willRunMicrotask();
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profiledCall(globalObject, ProfilingReason::Microtask, m_job.get(), handlerCallData, jsUndefined(), handlerArguments);
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scope.clearException();
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if (UNLIKELY(globalObject->hasDebugger()))
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globalObject->debugger()->didRunMicrotask();
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}
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} // namespace JSC
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