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/*
* Copyright (C) 2015-2022 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. ``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
* 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.
*/
#pragma once
#include "AbstractModuleRecord.h"
#include "JSDestructibleObject.h"
#include <wtf/FixedVector.h>
namespace JSC {
class JSModuleNamespaceObject final : public JSNonFinalObject {
public:
using Base = JSNonFinalObject;
static constexpr unsigned StructureFlags = Base::StructureFlags | OverridesGetOwnPropertySlot | OverridesGetOwnPropertyNames | OverridesPut | InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | GetOwnPropertySlotIsImpureForPropertyAbsence | IsImmutablePrototypeExoticObject;
static constexpr DestructionMode needsDestruction = NeedsDestruction;
static void destroy(JSCell*);
template<typename CellType, SubspaceAccess mode>
static GCClient::IsoSubspace* subspaceFor(VM& vm)
{
return vm.moduleNamespaceObjectSpace<mode>();
}
static JSModuleNamespaceObject* create(JSGlobalObject* globalObject, Structure* structure, AbstractModuleRecord* moduleRecord, Vector<std::pair<Identifier, AbstractModuleRecord::Resolution>>&& resolutions)
{
VM& vm = getVM(globalObject);
JSModuleNamespaceObject* object = new (NotNull, allocateCell<JSModuleNamespaceObject>(vm)) JSModuleNamespaceObject(vm, structure);
object->finishCreation(globalObject, moduleRecord, WTFMove(resolutions));
return object;
}
JS_EXPORT_PRIVATE static bool getOwnPropertySlot(JSObject*, JSGlobalObject*, PropertyName, PropertySlot&);
JS_EXPORT_PRIVATE static bool getOwnPropertySlotByIndex(JSObject*, JSGlobalObject*, unsigned propertyName, PropertySlot&);
JS_EXPORT_PRIVATE static bool put(JSCell*, JSGlobalObject*, PropertyName, JSValue, PutPropertySlot&);
JS_EXPORT_PRIVATE static bool putByIndex(JSCell*, JSGlobalObject*, unsigned propertyName, JSValue, bool shouldThrow);
JS_EXPORT_PRIVATE static bool deleteProperty(JSCell*, JSGlobalObject*, PropertyName, DeletePropertySlot&);
JS_EXPORT_PRIVATE static bool deletePropertyByIndex(JSCell*, JSGlobalObject*, unsigned propertyName);
JS_EXPORT_PRIVATE static void getOwnPropertyNames(JSObject*, JSGlobalObject*, PropertyNameArray&, DontEnumPropertiesMode);
JS_EXPORT_PRIVATE static bool defineOwnProperty(JSObject*, JSGlobalObject*, PropertyName, const PropertyDescriptor&, bool shouldThrow);
DECLARE_EXPORT_INFO;
inline static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
AbstractModuleRecord* moduleRecord() { return m_moduleRecord.get(); }
private:
JS_EXPORT_PRIVATE JSModuleNamespaceObject(VM&, Structure*);
JS_EXPORT_PRIVATE void finishCreation(JSGlobalObject*, AbstractModuleRecord*, Vector<std::pair<Identifier, AbstractModuleRecord::Resolution>>&&);
DECLARE_VISIT_CHILDREN;
bool getOwnPropertySlotCommon(JSGlobalObject*, PropertyName, PropertySlot&);
struct ExportEntry {
Identifier localName;
WriteBarrier<AbstractModuleRecord> moduleRecord;
};
typedef UncheckedKeyHashMap<RefPtr<UniquedStringImpl>, ExportEntry, IdentifierRepHash, HashTraits<RefPtr<UniquedStringImpl>>> ExportMap;
ExportMap m_exports;
FixedVector<Identifier> m_names;
WriteBarrier<AbstractModuleRecord> m_moduleRecord;
friend size_t cellSize(JSCell*);
};
} // namespace JSC
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