72 lines
3.0 KiB
C++
72 lines
3.0 KiB
C++
/*
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* Copyright (C) 2008-2021 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. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "JSWorkerGlobalScope.h"
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#include "JSDOMExceptionHandling.h"
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#include "WorkerGlobalScope.h"
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#include <JavaScriptCore/JSMicrotask.h>
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namespace WebCore {
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using namespace JSC;
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template<typename Visitor>
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void JSWorkerGlobalScope::visitAdditionalChildren(Visitor& visitor)
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{
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if (auto* location = wrapped().optionalLocation())
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visitor.addOpaqueRoot(location);
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if (auto* navigator = wrapped().optionalNavigator())
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visitor.addOpaqueRoot(navigator);
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ScriptExecutionContext& context = wrapped();
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visitor.addOpaqueRoot(&context);
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// Normally JSEventTargetCustom.cpp's JSEventTarget::visitAdditionalChildren() would call this. But
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// even though WorkerGlobalScope is an EventTarget, JSWorkerGlobalScope does not subclass
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// JSEventTarget, so we need to do this here.
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wrapped().visitJSEventListeners(visitor);
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}
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DEFINE_VISIT_ADDITIONAL_CHILDREN(JSWorkerGlobalScope);
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JSValue JSWorkerGlobalScope::queueMicrotask(JSGlobalObject& lexicalGlobalObject, CallFrame& callFrame)
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{
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VM& vm = lexicalGlobalObject.vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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if (UNLIKELY(callFrame.argumentCount() < 1))
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return throwException(&lexicalGlobalObject, scope, createNotEnoughArgumentsError(&lexicalGlobalObject));
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JSValue functionValue = callFrame.uncheckedArgument(0);
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if (UNLIKELY(!functionValue.isCallable(vm)))
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return JSValue::decode(throwArgumentMustBeFunctionError(lexicalGlobalObject, scope, 0, "callback", "WorkerGlobalScope", "queueMicrotask"));
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scope.release();
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Base::queueMicrotask(JSC::createJSMicrotask(vm, functionValue));
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return jsUndefined();
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}
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} // namespace WebCore
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