170 lines
6.3 KiB
C++
170 lines
6.3 KiB
C++
/*
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* Copyright (C) 2003-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "runtime_array.h"
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#include "JSDOMBinding.h"
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#include "WebCoreJSClientData.h"
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#include <JavaScriptCore/ArrayPrototype.h>
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#include <JavaScriptCore/Error.h>
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#include <JavaScriptCore/JSGlobalObjectInlines.h>
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#include <JavaScriptCore/PropertyNameArray.h>
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using namespace WebCore;
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namespace JSC {
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const ClassInfo RuntimeArray::s_info = { "RuntimeArray", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(RuntimeArray) };
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static JSC_DECLARE_CUSTOM_GETTER(arrayLengthGetter);
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RuntimeArray::RuntimeArray(VM& vm, Structure* structure)
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: JSArray(vm, structure, nullptr)
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, m_array(nullptr)
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{
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}
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void RuntimeArray::finishCreation(VM& vm, Bindings::Array* array)
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{
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Base::finishCreation(vm);
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ASSERT(inherits(vm, info()));
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m_array = array;
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}
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RuntimeArray::~RuntimeArray()
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{
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delete getConcreteArray();
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}
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void RuntimeArray::destroy(JSCell* cell)
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{
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static_cast<RuntimeArray*>(cell)->RuntimeArray::~RuntimeArray();
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}
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JSC_DEFINE_CUSTOM_GETTER(arrayLengthGetter, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
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{
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VM& vm = lexicalGlobalObject->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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RuntimeArray* thisObject = jsDynamicCast<RuntimeArray*>(vm, JSValue::decode(thisValue));
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if (!thisObject)
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return throwVMTypeError(lexicalGlobalObject, scope);
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return JSValue::encode(jsNumber(thisObject->getLength()));
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}
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void RuntimeArray::getOwnPropertyNames(JSObject* object, JSGlobalObject* lexicalGlobalObject, PropertyNameArray& propertyNames, DontEnumPropertiesMode mode)
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{
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VM& vm = lexicalGlobalObject->vm();
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RuntimeArray* thisObject = jsCast<RuntimeArray*>(object);
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unsigned length = thisObject->getLength();
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for (unsigned i = 0; i < length; ++i)
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propertyNames.add(Identifier::from(vm, i));
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if (mode == DontEnumPropertiesMode::Include)
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propertyNames.add(vm.propertyNames->length);
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thisObject->getOwnNonIndexPropertyNames(lexicalGlobalObject, propertyNames, mode);
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}
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bool RuntimeArray::getOwnPropertySlot(JSObject* object, JSGlobalObject* lexicalGlobalObject, PropertyName propertyName, PropertySlot& slot)
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{
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VM& vm = lexicalGlobalObject->vm();
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RuntimeArray* thisObject = jsCast<RuntimeArray*>(object);
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if (propertyName == vm.propertyNames->length) {
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slot.setCacheableCustom(thisObject, PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum, arrayLengthGetter);
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return true;
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}
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std::optional<uint32_t> index = parseIndex(propertyName);
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if (index && index.value() < thisObject->getLength()) {
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slot.setValue(thisObject, static_cast<unsigned>(PropertyAttribute::DontDelete),
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thisObject->getConcreteArray()->valueAt(lexicalGlobalObject, index.value()));
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return true;
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}
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return JSObject::getOwnPropertySlot(thisObject, lexicalGlobalObject, propertyName, slot);
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}
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bool RuntimeArray::getOwnPropertySlotByIndex(JSObject* object, JSGlobalObject* lexicalGlobalObject, unsigned index, PropertySlot& slot)
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{
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RuntimeArray* thisObject = jsCast<RuntimeArray*>(object);
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if (index < thisObject->getLength()) {
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slot.setValue(thisObject, static_cast<unsigned>(PropertyAttribute::DontDelete),
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thisObject->getConcreteArray()->valueAt(lexicalGlobalObject, index));
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return true;
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}
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return JSObject::getOwnPropertySlotByIndex(thisObject, lexicalGlobalObject, index, slot);
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}
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bool RuntimeArray::put(JSCell* cell, JSGlobalObject* lexicalGlobalObject, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
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{
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VM& vm = lexicalGlobalObject->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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RuntimeArray* thisObject = jsCast<RuntimeArray*>(cell);
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if (propertyName == vm.propertyNames->length) {
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throwException(lexicalGlobalObject, scope, createRangeError(lexicalGlobalObject, "Range error"));
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return false;
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}
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if (std::optional<uint32_t> index = parseIndex(propertyName))
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return thisObject->getConcreteArray()->setValueAt(lexicalGlobalObject, index.value(), value);
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RELEASE_AND_RETURN(scope, JSObject::put(thisObject, lexicalGlobalObject, propertyName, value, slot));
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}
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bool RuntimeArray::putByIndex(JSCell* cell, JSGlobalObject* lexicalGlobalObject, unsigned index, JSValue value, bool)
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{
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VM& vm = lexicalGlobalObject->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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RuntimeArray* thisObject = jsCast<RuntimeArray*>(cell);
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if (index >= thisObject->getLength()) {
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throwException(lexicalGlobalObject, scope, createRangeError(lexicalGlobalObject, "Range error"));
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return false;
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}
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return thisObject->getConcreteArray()->setValueAt(lexicalGlobalObject, index, value);
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}
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bool RuntimeArray::deleteProperty(JSCell*, JSGlobalObject*, PropertyName, DeletePropertySlot&)
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{
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return false;
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}
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bool RuntimeArray::deletePropertyByIndex(JSCell*, JSGlobalObject*, unsigned)
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{
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return false;
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}
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JSC::IsoSubspace* RuntimeArray::subspaceForImpl(JSC::VM& vm)
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{
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return &static_cast<JSVMClientData*>(vm.clientData)->runtimeArraySpace();
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}
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}
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