63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
/*
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* Copyright (C) 2015, 2016 Canon Inc. All rights reserved.
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* Copyright (C) 2016-2019 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include "JSDOMWrapper.h"
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namespace WebCore {
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JSC_DECLARE_HOST_FUNCTION(callThrowTypeErrorForJSDOMConstructorNotConstructable);
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// Base class for all constructor objects in the JSC bindings.
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class JSDOMConstructorBase : public JSDOMObject {
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public:
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using Base = JSDOMObject;
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static constexpr unsigned StructureFlags = Base::StructureFlags | JSC::ImplementsHasInstance | JSC::ImplementsDefaultHasInstance | JSC::OverridesGetCallData;
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static constexpr bool needsDestruction = false;
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static JSC::Structure* createStructure(JSC::VM&, JSC::JSGlobalObject*, JSC::JSValue);
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template<typename CellType, JSC::SubspaceAccess>
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static JSC::IsoSubspace* subspaceFor(JSC::VM& vm)
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{
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static_assert(sizeof(CellType) == sizeof(JSDOMConstructorBase));
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STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(CellType, JSDOMConstructorBase);
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static_assert(CellType::destroy == JSC::JSCell::destroy, "JSDOMConstructor<JSClass> is not destructible actually");
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return subspaceForImpl(vm);
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}
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static JSC::IsoSubspace* subspaceForImpl(JSC::VM&);
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protected:
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JSDOMConstructorBase(JSC::Structure* structure, JSDOMGlobalObject& globalObject)
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: JSDOMObject(structure, globalObject)
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{
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}
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static JSC::CallData getCallData(JSC::JSCell*);
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};
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inline JSC::Structure* JSDOMConstructorBase::createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
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{
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return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
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}
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} // namespace WebCore
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