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/*
* Copyright (C) 2015, 2016 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 APPLE INC. AND ITS CONTRIBUTORS ``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 APPLE INC. OR ITS 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 "JSCustomGetterSetterFunction.h"
#include "CustomGetterSetter.h"
#include "GetterSetter.h"
#include "JSCInlines.h"
#include "JSGlobalObject.h"
namespace JSC {
const ClassInfo JSCustomGetterSetterFunction::s_info = { "Function", &Base::s_info, 0, CREATE_METHOD_TABLE(JSCustomGetterSetterFunction) };
EncodedJSValue JSC_HOST_CALL JSCustomGetterSetterFunction::customGetterSetterFunctionCall(ExecState* exec)
{
JSCustomGetterSetterFunction* customGetterSetterFunction = jsCast<JSCustomGetterSetterFunction*>(exec->jsCallee());
CustomGetterSetter* customGetterSetter = customGetterSetterFunction->customGetterSetter();
if (customGetterSetterFunction->isSetter()) {
CustomGetterSetter::CustomSetter setter = customGetterSetter->setter();
ASSERT(setter);
callCustomSetter(exec, setter, true, exec->thisValue(), exec->argument(0));
return JSValue::encode(jsUndefined());
}
CustomGetterSetter::CustomGetter getter = customGetterSetter->getter();
ASSERT(getter);
return getter(exec, JSValue::encode(exec->thisValue()), customGetterSetterFunction->propertyName());
}
JSCustomGetterSetterFunction::JSCustomGetterSetterFunction(VM& vm, JSGlobalObject* globalObject, Structure* structure, const Type type, const PropertyName& propertyName)
: Base(vm, globalObject, structure)
, m_type(type)
, m_propertyName(propertyName)
{
}
JSCustomGetterSetterFunction* JSCustomGetterSetterFunction::create(VM& vm, JSGlobalObject* globalObject, CustomGetterSetter* getterSetter, const Type type, const PropertyName& propertyName)
{
ASSERT(type == Type::Getter ? !!getterSetter->getter() : !!getterSetter->setter());
const char* prefix = (type == Type::Getter) ? "get " : "set ";
String name = makeString(prefix, String(propertyName.publicName()));
NativeExecutable* executable = vm.getHostFunction(customGetterSetterFunctionCall, callHostFunctionAsConstructor, String(propertyName.publicName()));
Structure* structure = globalObject->customGetterSetterFunctionStructure();
JSCustomGetterSetterFunction* function = new (NotNull, allocateCell<JSCustomGetterSetterFunction>(vm.heap)) JSCustomGetterSetterFunction(vm, globalObject, structure, type, propertyName);
// Can't do this during initialization because getHostFunction might do a GC allocation.
function->finishCreation(vm, executable, getterSetter, name);
return function;
}
void JSCustomGetterSetterFunction::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
JSCustomGetterSetterFunction* thisObject = jsCast<JSCustomGetterSetterFunction*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
visitor.append(thisObject->m_getterSetter);
}
void JSCustomGetterSetterFunction::finishCreation(VM& vm, NativeExecutable* executable, CustomGetterSetter* getterSetter, const String& name)
{
Base::finishCreation(vm, executable, isSetter(), name);
ASSERT(inherits(vm, info()));
ASSERT(getterSetter);
m_getterSetter.set(vm, this, getterSetter);
}
} // namespace JSC
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