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-rw-r--r--src/qml/memory/qv4heap_p.h78
1 files changed, 41 insertions, 37 deletions
diff --git a/src/qml/memory/qv4heap_p.h b/src/qml/memory/qv4heap_p.h
index 53933cd090..403f400bee 100644
--- a/src/qml/memory/qv4heap_p.h
+++ b/src/qml/memory/qv4heap_p.h
@@ -65,8 +65,6 @@ QT_BEGIN_NAMESPACE
namespace QV4 {
-struct InternalClass;
-
struct VTable
{
const VTable * const parent;
@@ -88,17 +86,42 @@ struct VTable
namespace Heap {
+template <typename T, size_t o>
+struct Pointer {
+ static Q_CONSTEXPR size_t offset = o;
+ T operator->() const { return get(); }
+ operator T () const { return get(); }
+
+ Base *base();
+
+ void set(EngineBase *e, T newVal) {
+ WriteBarrier::write(e, base(), &ptr, reinterpret_cast<Base *>(newVal));
+ }
+
+ T get() const { return reinterpret_cast<T>(ptr); }
+
+ template <typename Type>
+ Type *cast() { return static_cast<Type *>(ptr); }
+
+ Base *heapObject() const { return ptr; }
+
+private:
+ Base *ptr;
+};
+typedef Pointer<char *, 0> V4PointerCheck;
+Q_STATIC_ASSERT(std::is_trivial< V4PointerCheck >::value);
+
struct Q_QML_EXPORT Base {
void *operator new(size_t) = delete;
- static void markObjects(Heap::Base *, MarkStack *) {}
+ static void markObjects(Base *, MarkStack *) {}
InternalClass *internalClass;
inline ReturnedValue asReturnedValue() const;
inline void mark(QV4::MarkStack *markStack);
- const VTable *vtable() const { return internalClass->vtable; }
+ inline const VTable *vtable() const;
inline bool isMarked() const {
const HeapItem *h = reinterpret_cast<const HeapItem *>(this);
Chunk *c = h->chunk();
@@ -130,8 +153,8 @@ struct Q_QML_EXPORT Base {
}
void *operator new(size_t, Managed *m) { return m; }
- void *operator new(size_t, Heap::Base *m) { return m; }
- void operator delete(void *, Heap::Base *) {}
+ void *operator new(size_t, Base *m) { return m; }
+ void operator delete(void *, Base *) {}
void init() { _setInitialized(); }
void destroy() { _setDestroyed(); }
@@ -178,10 +201,9 @@ Q_STATIC_ASSERT(std::is_standard_layout<Base>::value);
Q_STATIC_ASSERT(offsetof(Base, internalClass) == 0);
Q_STATIC_ASSERT(sizeof(Base) == QT_POINTER_SIZE);
-}
inline
-void Heap::Base::mark(QV4::MarkStack *markStack)
+void Base::mark(QV4::MarkStack *markStack)
{
Q_ASSERT(inUse());
const HeapItem *h = reinterpret_cast<const HeapItem *>(this);
@@ -196,36 +218,18 @@ void Heap::Base::mark(QV4::MarkStack *markStack)
}
}
-namespace Heap {
-
-template <typename T, size_t o>
-struct Pointer {
- static Q_CONSTEXPR size_t offset = o;
- T operator->() const { return get(); }
- operator T () const { return get(); }
-
- Heap::Base *base() {
- Heap::Base *base = reinterpret_cast<Heap::Base *>(this) - (offset/sizeof(Heap::Base));
- Q_ASSERT(base->inUse());
- return base;
- }
-
- void set(EngineBase *e, T newVal) {
- WriteBarrier::write(e, base(), &ptr, reinterpret_cast<Heap::Base *>(newVal));
- }
-
- T get() const { return reinterpret_cast<T>(ptr); }
-
- template <typename Type>
- Type *cast() { return static_cast<Type *>(ptr); }
-
- Heap::Base *heapObject() const { return ptr; }
+inline
+const VTable *Base::vtable() const
+{
+ return internalClass->vtable;
+}
-private:
- Heap::Base *ptr;
-};
-typedef Pointer<char *, 0> V4PointerCheck;
-Q_STATIC_ASSERT(std::is_trivial< V4PointerCheck >::value);
+template<typename T, size_t o>
+Base *Pointer<T, o>::base() {
+ Base *base = reinterpret_cast<Base *>(this) - (offset/sizeof(Base *));
+ Q_ASSERT(base->inUse());
+ return base;
+}
}