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