JSTestCallbackFunctionRethrow.cpp [plain text]
#include "config.h"
#include "JSTestCallbackFunctionRethrow.h"
#include "JSDOMConvertNumbers.h"
#include "JSDOMConvertSequences.h"
#include "JSDOMConvertStrings.h"
#include "JSDOMExceptionHandling.h"
#include "JSDOMGlobalObject.h"
#include "ScriptExecutionContext.h"
#include <JavaScriptCore/JSArray.h>
namespace WebCore {
using namespace JSC;
JSTestCallbackFunctionRethrow::JSTestCallbackFunctionRethrow(JSObject* callback, JSDOMGlobalObject* globalObject)
: TestCallbackFunctionRethrow(globalObject->scriptExecutionContext())
, m_data(new JSCallbackDataStrong(callback, globalObject, this))
{
}
JSTestCallbackFunctionRethrow::~JSTestCallbackFunctionRethrow()
{
ScriptExecutionContext* context = scriptExecutionContext();
if (!context || context->isContextThread())
delete m_data;
else
context->postTask(DeleteCallbackDataTask(m_data));
#ifndef NDEBUG
m_data = nullptr;
#endif
}
CallbackResult<typename IDLDOMString::ImplementationType> JSTestCallbackFunctionRethrow::handleEvent(typename IDLSequence<IDLLong>::ParameterType argument)
{
if (!canInvokeCallback())
return CallbackResultType::UnableToExecute;
Ref<JSTestCallbackFunctionRethrow> protectedThis(*this);
auto& globalObject = *m_data->globalObject();
auto& vm = globalObject.vm();
JSLockHolder lock(vm);
auto& state = *globalObject.globalExec();
JSValue thisValue = jsUndefined();
MarkedArgumentBuffer args;
args.append(toJS<IDLSequence<IDLLong>>(state, globalObject, argument));
ASSERT(!args.hasOverflowed());
NakedPtr<JSC::Exception> returnedException;
auto jsResult = m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Function, Identifier(), returnedException);
if (returnedException) {
auto throwScope = DECLARE_THROW_SCOPE(vm);
throwException(&state, throwScope, returnedException);
return CallbackResultType::ExceptionThrown;
}
auto throwScope = DECLARE_THROW_SCOPE(vm);
auto returnValue = convert<IDLDOMString>(state, jsResult);
RETURN_IF_EXCEPTION(throwScope, CallbackResultType::ExceptionThrown);
return WTFMove(returnValue);
}
JSC::JSValue toJS(TestCallbackFunctionRethrow& impl)
{
if (!static_cast<JSTestCallbackFunctionRethrow&>(impl).callbackData())
return jsNull();
return static_cast<JSTestCallbackFunctionRethrow&>(impl).callbackData()->callback();
}
}