diff options
Diffstat (limited to 'src/qml/animations/qanimationjobutil_p.h')
| -rw-r--r-- | src/qml/animations/qanimationjobutil_p.h | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/src/qml/animations/qanimationjobutil_p.h b/src/qml/animations/qanimationjobutil_p.h index e3d6fe9178..83cf3b246f 100644 --- a/src/qml/animations/qanimationjobutil_p.h +++ b/src/qml/animations/qanimationjobutil_p.h @@ -51,20 +51,40 @@ // We mean it. // +#include <type_traits> + QT_REQUIRE_CONFIG(qml_animation); -#define RETURN_IF_DELETED(func) \ +// SelfDeletable is used for self-destruction detection along with +// ACTION_IF_DELETED and RETURN_IF_DELETED macros. While using, the objects +// under test should have a member m_selfDeletable of type SelfDeletable +struct SelfDeletable { + ~SelfDeletable() { + if (m_wasDeleted) + *m_wasDeleted = true; + } + bool *m_wasDeleted = nullptr; +}; + +// \param p pointer to object under test, which should have a member m_selfDeletable of type SelfDeletable +// \param func statements or functions that to be executed under test. +// \param action post process if p was deleted under test. +#define ACTION_IF_DELETED(p, func, action) \ { \ - bool *prevWasDeleted = m_wasDeleted; \ + static_assert(std::is_same<decltype((p)->m_selfDeletable), SelfDeletable>::value, "m_selfDeletable must be SelfDeletable");\ + bool *prevWasDeleted = (p)->m_selfDeletable.m_wasDeleted; \ bool wasDeleted = false; \ - m_wasDeleted = &wasDeleted; \ - func; \ + (p)->m_selfDeletable.m_wasDeleted = &wasDeleted; \ + {func;} \ if (wasDeleted) { \ if (prevWasDeleted) \ *prevWasDeleted = true; \ - return; \ + {action;} \ } \ - m_wasDeleted = prevWasDeleted; \ + (p)->m_selfDeletable.m_wasDeleted = prevWasDeleted; \ } +#define RETURN_IF_DELETED(func) \ +ACTION_IF_DELETED(this, func, return) + #endif // QANIMATIONJOBUTIL_P_H |