/* * Copyright (C) 1999-2001 Harri Porten (porten@kde.org) * Copyright (C) 2003-2006, 2008-2009, 2013, 2016 Apple Inc. All rights reserved. * Copyright (C) 2007 Samuel Weinig <sam@webkit.org> * Copyright (C) 2009 Google, Inc. All rights reserved. * Copyright (C) 2012 Ericsson AB. All rights reserved. * Copyright (C) 2013 Michael Pruett <michael@68k.org> * * 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 "JSDOMCastedThisErrorBehavior.h" #include "JSDOMExceptionHandling.h" namespace WebCore { template<typename JSClass> class IDLOperation { public: using ClassParameter = JSClass*; using Operation = JSC::EncodedJSValue(JSC::ExecState*, ClassParameter, JSC::ThrowScope&); using StaticOperation = JSC::EncodedJSValue(JSC::ExecState*, JSC::ThrowScope&); static JSClass* cast(JSC::ExecState&); template<Operation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw> static JSC::EncodedJSValue call(JSC::ExecState& state, const char* operationName) { auto throwScope = DECLARE_THROW_SCOPE(state.vm()); auto* thisObject = cast(state); if (shouldThrow != CastedThisErrorBehavior::Assert && UNLIKELY(!thisObject)) return throwThisTypeError(state, throwScope, JSClass::info()->className, operationName); ASSERT(thisObject); ASSERT_GC_OBJECT_INHERITS(thisObject, JSClass::info()); // FIXME: We should refactor the binding generated code to use references for state and thisObject. return operation(&state, thisObject, throwScope); } template<StaticOperation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw> static JSC::EncodedJSValue callStatic(JSC::ExecState& state, const char*) { auto throwScope = DECLARE_THROW_SCOPE(state.vm()); // FIXME: We should refactor the binding generated code to use references for state. return operation(&state, throwScope); } }; } // namespace WebCore