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Bug 1179787 - part 2 - add template logic for smart pointer template arguments in NS_NewRunnableMethod*; r=botond

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This commit is contained in:
Nathan Froyd 2015-07-02 11:17:49 -04:00
parent 8ddd161b85
commit c6d5ee54fb
1 changed files with 41 additions and 1 deletions
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42
xpcom/glue/nsThreadUtils.h
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@ -539,6 +539,36 @@ template<class T>
struct HasRefCountMethods : decltype(HasRefCountMethodsTest<T>(0))
{};
template<typename T>
struct IsRefcountedSmartPointer : public mozilla::FalseType
{};
template<typename T>
struct IsRefcountedSmartPointer<nsRefPtr<T>> : public mozilla::TrueType
{};
template<typename T>
struct IsRefcountedSmartPointer<nsCOMPtr<T>> : public mozilla::TrueType
{};
template<typename T>
struct StripSmartPointer
{
typedef void Type;
};
template<typename T>
struct StripSmartPointer<nsRefPtr<T>>
{
typedef T Type;
};
template<typename T>
struct StripSmartPointer<nsCOMPtr<T>>
{
typedef T Type;
};
template<typename TWithoutPointer>
struct PointerStorageClass
: mozilla::Conditional<HasRefCountMethods<TWithoutPointer>::value,
@ -556,12 +586,20 @@ struct LValueReferenceStorageClass
StoreRefPassByLRef<TWithoutRef>>
{};
template<typename T>
struct SmartPointerStorageClass
: mozilla::Conditional<IsRefcountedSmartPointer<T>::value,
StorensRefPtrPassByPtr<
typename StripSmartPointer<T>::Type>,
StoreCopyPassByValue<T>>
{};
template<typename T>
struct NonLValueReferenceStorageClass
: mozilla::Conditional<mozilla::IsRvalueReference<T>::value,
StoreCopyPassByRRef<
typename mozilla::RemoveReference<T>::Type>,
StoreCopyPassByValue<T>>
typename SmartPointerStorageClass<T>::Type>
{};
template<typename T>
@ -591,6 +629,8 @@ struct NonParameterStorageClass
// - const T& -> StoreConstRefPassByConstLRef<T>: Store const T&, pass const T&.
// - T& -> StoreRefPassByLRef<T> : Store T&, pass T&.
// - T&& -> StoreCopyPassByRRef<T> : Store T, pass Move(T).
// - nsRefPtr<T>, nsCOMPtr<T>
// -> StorensRefPtrPassByPtr<T> : Store nsRefPtr<T>, pass T*
// - Other T -> StoreCopyPassByValue<T> : Store T, pass T.
// Other available explicit options:
// - StoreCopyPassByConstLRef<T> : Store T, pass const T&.