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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY CANON INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CANON INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JSDOMMapLike.h"
#include "WebCoreJSClientData.h"
namespace WebCore {
static inline JSC::JSObject& getBackingMap(JSC::ExecState& state, JSC::JSObject& mapLike)
{
auto& vm = state.vm();
auto backingMap = mapLike.get(&state, static_cast<JSVMClientData*>(vm.clientData)->builtinNames().backingMapPrivateName());
return *JSC::asObject(backingMap);
}
void initializeBackingMap(JSC::VM& vm, JSC::JSObject& mapLike, JSC::JSMap& backingMap)
{
mapLike.putDirect(vm, static_cast<JSVMClientData*>(vm.clientData)->builtinNames().backingMapPrivateName(), &backingMap, JSC::DontEnum);
}
JSC::JSMap& createBackingMap(JSC::ExecState& state, JSC::JSGlobalObject& globalObject, JSC::JSObject& mapLike)
{
auto& vm = state.vm();
ASSERT(mapLike.get(&state, static_cast<JSVMClientData*>(vm.clientData)->builtinNames().backingMapPrivateName()).isUndefined());
auto backingMap = JSC::JSMap::create(&state, vm, globalObject.mapStructure());
mapLike.putDirect(vm, static_cast<JSVMClientData*>(vm.clientData)->builtinNames().backingMapPrivateName(), backingMap, JSC::DontEnum);
return *backingMap;
}
JSC::JSValue forwardAttributeGetterToBackingMap(JSC::ExecState& state, JSC::JSObject& mapLike, const JSC::Identifier& attributeName)
{
return getBackingMap(state, mapLike).get(&state, attributeName);
}
JSC::JSValue forwardFunctionCallToBackingMap(JSC::ExecState& state, JSC::JSObject& mapLike, const JSC::Identifier& functionName)
{
auto& backingMap = getBackingMap(state, mapLike);
JSC::JSValue function = backingMap.get(&state, functionName);
ASSERT(function);
JSC::CallData callData;
JSC::CallType callType = JSC::getCallData(function, callData);
ASSERT(callType != JSC::CallType::None);
JSC::MarkedArgumentBuffer arguments;
for (size_t cptr = 0; cptr < state.argumentCount(); ++cptr)
arguments.append(state.uncheckedArgument(cptr));
return JSC::call(&state, function, callType, callData, &backingMap, arguments);
}
JSC::JSValue forwardForEachCallToBackingMap(JSC::ExecState& state, JSDOMGlobalObject& globalObject, JSC::JSObject& mapLike)
{
auto* function = globalObject.builtinInternalFunctions().jsDOMBindingInternals().m_mapLikeForEachFunction.get();
ASSERT(function);
getBackingMap(state, mapLike);
JSC::CallData callData;
JSC::CallType callType = JSC::getCallData(function, callData);
ASSERT(callType != JSC::CallType::None);
JSC::MarkedArgumentBuffer arguments;
for (size_t cptr = 0; cptr < state.argumentCount(); ++cptr)
arguments.append(state.uncheckedArgument(cptr));
return JSC::call(&state, function, callType, callData, &mapLike, arguments);
}
}
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