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/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JSDOMSetLike.h"
#include "WebCoreJSClientData.h"
#include <JavaScriptCore/CatchScope.h>
#include <JavaScriptCore/JSSet.h>
namespace WebCore {
void DOMSetAdapter::clear()
{
clearBackingSet(m_lexicalGlobalObject, m_backingSet);
}
std::pair<bool, std::reference_wrapper<JSC::JSObject>> getBackingSet(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject& setLike)
{
auto& vm = lexicalGlobalObject.vm();
auto backingSet = setLike.get(&lexicalGlobalObject, static_cast<JSVMClientData*>(vm.clientData)->builtinNames().backingSetPrivateName());
if (backingSet.isUndefined()) {
auto& vm = lexicalGlobalObject.vm();
auto scope = DECLARE_CATCH_SCOPE(vm);
backingSet = JSC::JSSet::create(&lexicalGlobalObject, vm, lexicalGlobalObject.setStructure());
scope.releaseAssertNoException();
setLike.putDirect(vm, static_cast<JSVMClientData*>(vm.clientData)->builtinNames().backingSetPrivateName(), backingSet, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum));
return { true, *JSC::asObject(backingSet) };
}
return { false, *JSC::asObject(backingSet) };
}
void clearBackingSet(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject& backingSet)
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
JSC::JSValue function = backingSet.get(&lexicalGlobalObject, vm.propertyNames->clear);
ASSERT(!function.isUndefined());
auto callData = JSC::getCallData(vm, function);
ASSERT(callData.type != JSC::CallData::Type::None);
JSC::MarkedArgumentBuffer arguments;
JSC::call(&lexicalGlobalObject, function, callData, &backingSet, arguments);
}
void addToBackingSet(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject& backingSet, JSC::JSValue item)
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
JSC::JSValue function = backingSet.get(&lexicalGlobalObject, vm.propertyNames->add);
ASSERT(!function.isUndefined());
auto callData = JSC::getCallData(vm, function);
ASSERT(callData.type != JSC::CallData::Type::None);
JSC::MarkedArgumentBuffer arguments;
arguments.append(item);
JSC::call(&lexicalGlobalObject, function, callData, &backingSet, arguments);
}
JSC::JSValue forwardAttributeGetterToBackingSet(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject& backingSet, const JSC::Identifier& attributeName)
{
return backingSet.get(&lexicalGlobalObject, attributeName);
}
JSC::JSValue forwardFunctionCallToBackingSet(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, JSC::JSObject& backingSet, const JSC::Identifier& functionName)
{
JSC::JSValue function = backingSet.get(&lexicalGlobalObject, functionName);
ASSERT(!function.isUndefined());
auto callData = JSC::getCallData(lexicalGlobalObject.vm(), function);
ASSERT(callData.type != JSC::CallData::Type::None);
JSC::MarkedArgumentBuffer arguments;
for (size_t cptr = 0; cptr < callFrame.argumentCount(); ++cptr)
arguments.append(callFrame.uncheckedArgument(cptr));
ASSERT(!arguments.hasOverflowed());
return JSC::call(&lexicalGlobalObject, function, callData, &backingSet, arguments);
}
JSC::JSValue forwardForEachCallToBackingSet(JSDOMGlobalObject& globalObject, JSC::CallFrame& callFrame, JSC::JSObject& setLike)
{
auto result = getBackingSet(globalObject, setLike);
ASSERT(!result.first);
auto* function = globalObject.builtinInternalFunctions().jsDOMBindingInternals().m_forEachWrapperFunction.get();
ASSERT(function);
auto callData = JSC::getCallData(globalObject.vm(), function);
ASSERT(callData.type != JSC::CallData::Type::None);
JSC::MarkedArgumentBuffer arguments;
arguments.append(&result.second.get());
for (size_t cptr = 0; cptr < callFrame.argumentCount(); ++cptr)
arguments.append(callFrame.uncheckedArgument(cptr));
ASSERT(!arguments.hasOverflowed());
return JSC::call(&globalObject, function, callData, &setLike, arguments);
}
}