darling-JavaScriptCore/runtime/JSTemplateObjectDescriptor.cpp

92 lines
4.1 KiB
C++

/*
* Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
* Copyright (C) 2016-2019 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 "JSTemplateObjectDescriptor.h"
#include "JSCInlines.h"
#include "ObjectConstructor.h"
#include "VM.h"
namespace JSC {
const ClassInfo JSTemplateObjectDescriptor::s_info = { "TemplateObjectDescriptor", nullptr, nullptr, nullptr, CREATE_METHOD_TABLE(JSTemplateObjectDescriptor) };
JSTemplateObjectDescriptor::JSTemplateObjectDescriptor(VM& vm, Ref<TemplateObjectDescriptor>&& descriptor, int endOffset)
: Base(vm, vm.templateObjectDescriptorStructure.get())
, m_descriptor(WTFMove(descriptor))
, m_endOffset(endOffset)
{
}
JSTemplateObjectDescriptor* JSTemplateObjectDescriptor::create(VM& vm, Ref<TemplateObjectDescriptor>&& descriptor, int endOffset)
{
JSTemplateObjectDescriptor* result = new (NotNull, allocateCell<JSTemplateObjectDescriptor>(vm.heap)) JSTemplateObjectDescriptor(vm, WTFMove(descriptor), endOffset);
result->finishCreation(vm);
return result;
}
void JSTemplateObjectDescriptor::destroy(JSCell* cell)
{
static_cast<JSTemplateObjectDescriptor*>(cell)->JSTemplateObjectDescriptor::~JSTemplateObjectDescriptor();
}
JSArray* JSTemplateObjectDescriptor::createTemplateObject(JSGlobalObject* globalObject)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
unsigned count = descriptor().cookedStrings().size();
JSArray* templateObject = constructEmptyArray(globalObject, nullptr, count);
RETURN_IF_EXCEPTION(scope, nullptr);
JSArray* rawObject = constructEmptyArray(globalObject, nullptr, count);
RETURN_IF_EXCEPTION(scope, nullptr);
for (unsigned index = 0; index < count; ++index) {
auto cooked = descriptor().cookedStrings()[index];
if (cooked)
templateObject->putDirectIndex(globalObject, index, jsString(vm, cooked.value()), PropertyAttribute::ReadOnly | PropertyAttribute::DontDelete, PutDirectIndexLikePutDirect);
else
templateObject->putDirectIndex(globalObject, index, jsUndefined(), PropertyAttribute::ReadOnly | PropertyAttribute::DontDelete, PutDirectIndexLikePutDirect);
RETURN_IF_EXCEPTION(scope, nullptr);
rawObject->putDirectIndex(globalObject, index, jsString(vm, descriptor().rawStrings()[index]), PropertyAttribute::ReadOnly | PropertyAttribute::DontDelete, PutDirectIndexLikePutDirect);
RETURN_IF_EXCEPTION(scope, nullptr);
}
objectConstructorFreeze(globalObject, rawObject);
scope.assertNoException();
templateObject->putDirect(vm, vm.propertyNames->raw, rawObject, PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum | PropertyAttribute::DontDelete);
objectConstructorFreeze(globalObject, templateObject);
scope.assertNoException();
return templateObject;
}
} // namespace JSC