本文整理汇总了C++中CycleCollectedJSRuntime::SetPendingException方法的典型用法代码示例。如果您正苦于以下问题：C++ CycleCollectedJSRuntime::SetPendingException方法的具体用法？C++ CycleCollectedJSRuntime::SetPendingException怎么用？C++ CycleCollectedJSRuntime::SetPendingException使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CycleCollectedJSRuntime的用法示例。
在下文中一共展示了CycleCollectedJSRuntime::SetPendingException方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: switch
bool
Throw(JSContext* aCx, nsresult aRv, const char* aMessage)
{
if (JS_IsExceptionPending(aCx)) {
// Don't clobber the existing exception.
return false;
}
CycleCollectedJSRuntime* runtime = CycleCollectedJSRuntime::Get();
nsCOMPtr<nsIException> existingException = runtime->GetPendingException();
if (existingException) {
nsresult nr;
if (NS_SUCCEEDED(existingException->GetResult(&nr)) &&
aRv == nr) {
// Reuse the existing exception.
// Clear pending exception
runtime->SetPendingException(nullptr);
if (!ThrowExceptionObject(aCx, existingException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
}
nsRefPtr<Exception> finalException;
// Do we use DOM exceptions for this error code?
switch (NS_ERROR_GET_MODULE(aRv)) {
case NS_ERROR_MODULE_DOM:
case NS_ERROR_MODULE_SVG:
case NS_ERROR_MODULE_DOM_XPATH:
case NS_ERROR_MODULE_DOM_INDEXEDDB:
case NS_ERROR_MODULE_DOM_FILEHANDLE:
finalException = DOMException::Create(aRv);
break;
default:
break;
}
// If not, use the default.
if (!finalException) {
// aMessage can be null.
finalException = new Exception(nsCString(aMessage), aRv,
EmptyCString(), nullptr, nullptr);
}
MOZ_ASSERT(finalException);
if (!ThrowExceptionObject(aCx, finalException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}示例2: CreateException
bool
Throw(JSContext* aCx, nsresult aRv, const nsACString& aMessage)
{
if (aRv == NS_ERROR_UNCATCHABLE_EXCEPTION) {
// Nuke any existing exception on aCx, to make sure we're uncatchable.
JS_ClearPendingException(aCx);
return false;
}
if (JS_IsExceptionPending(aCx)) {
// Don't clobber the existing exception.
return false;
}
CycleCollectedJSRuntime* runtime = CycleCollectedJSRuntime::Get();
nsCOMPtr<nsIException> existingException = runtime->GetPendingException();
// Make sure to clear the pending exception now. Either we're going to reuse
// it (and we already grabbed it), or we plan to throw something else and this
// pending exception is no longer relevant.
runtime->SetPendingException(nullptr);
// Ignore the pending exception if we have a non-default message passed in.
if (aMessage.IsEmpty() && existingException) {
nsresult nr;
if (NS_SUCCEEDED(existingException->GetResult(&nr)) &&
aRv == nr) {
// Reuse the existing exception.
if (!ThrowExceptionObject(aCx, existingException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
}
RefPtr<Exception> finalException = CreateException(aCx, aRv, aMessage);
MOZ_ASSERT(finalException);
if (!ThrowExceptionObject(aCx, finalException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}示例3: CreateException
bool
Throw(JSContext* aCx, nsresult aRv, const char* aMessage)
{
if (aRv == NS_ERROR_UNCATCHABLE_EXCEPTION) {
// Nuke any existing exception on aCx, to make sure we're uncatchable.
JS_ClearPendingException(aCx);
return false;
}
if (JS_IsExceptionPending(aCx)) {
// Don't clobber the existing exception.
return false;
}
CycleCollectedJSRuntime* runtime = CycleCollectedJSRuntime::Get();
nsCOMPtr<nsIException> existingException = runtime->GetPendingException();
if (existingException) {
nsresult nr;
if (NS_SUCCEEDED(existingException->GetResult(&nr)) &&
aRv == nr) {
// Reuse the existing exception.
// Clear pending exception
runtime->SetPendingException(nullptr);
if (!ThrowExceptionObject(aCx, existingException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
}
nsRefPtr<Exception> finalException = CreateException(aCx, aRv, aMessage);
MOZ_ASSERT(finalException);
if (!ThrowExceptionObject(aCx, finalException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}