Bug 1328948 - Add is(), as() to Cell.
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03415291a3
commit
df5c97aaf6
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@ -28,6 +28,7 @@
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#include "js/HeapAPI.h"
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#include "js/RootingAPI.h"
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#include "js/TracingAPI.h"
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#include "js/TraceKind.h"
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struct JSRuntime;
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@ -272,6 +273,23 @@ struct Cell
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static MOZ_ALWAYS_INLINE bool needWriteBarrierPre(JS::Zone* zone);
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template <class T>
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inline bool is() const {
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return getTraceKind() == JS::MapTypeToTraceKind<T>::kind;
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}
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template<class T>
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inline T* as() {
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MOZ_ASSERT(is<T>());
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return static_cast<T*>(this);
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}
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template <class T>
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inline const T* as() const {
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MOZ_ASSERT(is<T>());
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return static_cast<const T*>(this);
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}
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#ifdef DEBUG
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inline bool isAligned() const;
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void dump(FILE* fp) const;
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