| /* |
| * Copyright (C) 2015, 2016 Canon Inc. All rights reserved. |
| * Copyright (C) 2016-2022 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #pragma once |
| |
| #include "JSDOMGlobalObject.h" |
| #include <JavaScriptCore/InternalFunction.h> |
| |
| namespace WebCore { |
| |
| JSC_DECLARE_HOST_FUNCTION(callThrowTypeErrorForJSDOMConstructor); |
| JSC_DECLARE_HOST_FUNCTION(callThrowTypeErrorForJSDOMConstructorNotConstructable); |
| |
| // Base class for all callable constructor objects in the JSC bindings. |
| class JSDOMConstructorBase : public JSC::InternalFunction { |
| public: |
| using Base = InternalFunction; |
| |
| static constexpr unsigned StructureFlags = Base::StructureFlags; |
| static constexpr bool needsDestruction = false; |
| |
| template<typename CellType, JSC::SubspaceAccess> |
| static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm) |
| { |
| static_assert(sizeof(CellType) == sizeof(JSDOMConstructorBase)); |
| STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(CellType, JSDOMConstructorBase); |
| static_assert(CellType::destroy == JSC::JSCell::destroy, "JSDOMConstructor<JSClass> is not destructible actually"); |
| return subspaceForImpl(vm); |
| } |
| |
| static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM&); |
| |
| JSDOMGlobalObject* globalObject() const { return JSC::jsCast<JSDOMGlobalObject*>(Base::globalObject()); } |
| ScriptExecutionContext* scriptExecutionContext() const { return globalObject()->scriptExecutionContext(); } |
| |
| protected: |
| JSDOMConstructorBase(JSC::VM& vm, JSC::Structure* structure, JSC::NativeFunction functionForConstruct) |
| : Base(vm, structure, |
| functionForConstruct ? callThrowTypeErrorForJSDOMConstructor : callThrowTypeErrorForJSDOMConstructorNotConstructable, |
| functionForConstruct ? functionForConstruct : callThrowTypeErrorForJSDOMConstructorNotConstructable) |
| { |
| } |
| }; |
| |
| } // namespace WebCore |