75 lines
3.4 KiB
C++
75 lines
3.4 KiB
C++
/*
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* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
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* Copyright (C) 2003-2020 Apple Inc. All rights reserved.
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* Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
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* Copyright (C) 2009 Google, Inc. All rights reserved.
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* Copyright (C) 2012 Ericsson AB. All rights reserved.
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* Copyright (C) 2013 Michael Pruett <michael@68k.org>
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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 "JSDOMCastThisValue.h"
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#include "JSDOMExceptionHandling.h"
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namespace WebCore {
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template<typename JSClass>
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class IDLOperation {
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public:
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using ClassParameter = JSClass*;
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using Operation = JSC::EncodedJSValue(JSC::JSGlobalObject*, JSC::CallFrame*, ClassParameter);
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using StaticOperation = JSC::EncodedJSValue(JSC::JSGlobalObject*, JSC::CallFrame*);
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// FIXME: Remove this after FunctionCallResolveNode is fixed not to pass resolved scope as |this| value.
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// https://bugs.webkit.org/show_bug.cgi?id=225397
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static JSClass* cast(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame)
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{
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if constexpr (std::is_base_of_v<JSDOMGlobalObject, JSClass>)
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return castThisValue<JSClass>(lexicalGlobalObject, callFrame.thisValue().toThis(&lexicalGlobalObject, JSC::ECMAMode::strict()));
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else
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return castThisValue<JSClass>(lexicalGlobalObject, callFrame.thisValue());
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}
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template<Operation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw>
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static JSC::EncodedJSValue call(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, const char* operationName)
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{
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auto throwScope = DECLARE_THROW_SCOPE(JSC::getVM(&lexicalGlobalObject));
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auto* thisObject = cast(lexicalGlobalObject, callFrame);
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if constexpr (shouldThrow != CastedThisErrorBehavior::Assert) {
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if (UNLIKELY(!thisObject))
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return throwThisTypeError(lexicalGlobalObject, throwScope, JSClass::info()->className, operationName);
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} else
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ASSERT(thisObject);
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ASSERT_GC_OBJECT_INHERITS(thisObject, JSClass::info());
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// FIXME: We should refactor the binding generated code to use references for lexicalGlobalObject and thisObject.
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RELEASE_AND_RETURN(throwScope, (operation(&lexicalGlobalObject, &callFrame, thisObject)));
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}
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template<StaticOperation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw>
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static JSC::EncodedJSValue callStatic(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, const char*)
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{
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// FIXME: We should refactor the binding generated code to use references for lexicalGlobalObject.
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return operation(&lexicalGlobalObject, &callFrame);
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}
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};
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} // namespace WebCore
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