JSTemplateObjectDescriptor.cpp [plain text]
#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)
: Base(vm, vm.templateObjectDescriptorStructure.get())
, m_descriptor(WTFMove(descriptor))
{
}
JSTemplateObjectDescriptor* JSTemplateObjectDescriptor::create(VM& vm, Ref<TemplateObjectDescriptor>&& descriptor)
{
JSTemplateObjectDescriptor* result = new (NotNull, allocateCell<JSTemplateObjectDescriptor>(vm.heap)) JSTemplateObjectDescriptor(vm, WTFMove(descriptor));
result->finishCreation(vm);
return result;
}
void JSTemplateObjectDescriptor::destroy(JSCell* cell)
{
static_cast<JSTemplateObjectDescriptor*>(cell)->JSTemplateObjectDescriptor::~JSTemplateObjectDescriptor();
}
JSArray* JSTemplateObjectDescriptor::createTemplateObject(ExecState* exec)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
unsigned count = descriptor().cookedStrings().size();
JSArray* templateObject = constructEmptyArray(exec, nullptr, count);
RETURN_IF_EXCEPTION(scope, nullptr);
JSArray* rawObject = constructEmptyArray(exec, nullptr, count);
RETURN_IF_EXCEPTION(scope, nullptr);
for (unsigned index = 0; index < count; ++index) {
auto cooked = descriptor().cookedStrings()[index];
if (cooked)
templateObject->putDirectIndex(exec, index, jsString(exec, cooked.value()), PropertyAttribute::ReadOnly | PropertyAttribute::DontDelete, PutDirectIndexLikePutDirect);
else
templateObject->putDirectIndex(exec, index, jsUndefined(), PropertyAttribute::ReadOnly | PropertyAttribute::DontDelete, PutDirectIndexLikePutDirect);
RETURN_IF_EXCEPTION(scope, nullptr);
rawObject->putDirectIndex(exec, index, jsString(exec, descriptor().rawStrings()[index]), PropertyAttribute::ReadOnly | PropertyAttribute::DontDelete, PutDirectIndexLikePutDirect);
RETURN_IF_EXCEPTION(scope, nullptr);
}
objectConstructorFreeze(exec, rawObject);
scope.assertNoException();
templateObject->putDirect(vm, vm.propertyNames->raw, rawObject, PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum | PropertyAttribute::DontDelete);
objectConstructorFreeze(exec, templateObject);
scope.assertNoException();
return templateObject;
}
}