1 files changed, 24 insertions, 0 deletions
diff --git a/src/qml/parser/qqmljsmemorypool_p.h b/src/qml/parser/qqmljsmemorypool_p.h
index 29103930ad..1809f500e3 100644
--- a/src/qml/parser/qqmljsmemorypool_p.h
+++ b/src/qml/parser/qqmljsmemorypool_p.h
@@ -65,6 +65,8 @@ QT_QML_BEGIN_NAMESPACE
 
 namespace QQmlJS {
 
+class Managed;
+
 class QML_PARSER_EXPORT MemoryPool : public QSharedData
 {
     MemoryPool(const MemoryPool &other);
@@ -110,6 +112,28 @@ public:
 
     template <typename _Tp> _Tp *New() { return new (this->allocate(sizeof(_Tp))) _Tp(); }
 
+    template <typename PoolContentType, typename Visitor>
+    void visitManagedPool(Visitor &visitor)
+    {
+        for (int i = 0; i <= _blockCount; ++i) {
+            char *p = _blocks[i];
+            char *end = p + BLOCK_SIZE;
+            if (i == _blockCount) {
+                Q_ASSERT(_ptr <= end);
+                end = _ptr;
+            }
+
+            Q_ASSERT(p <= end);
+
+            const qptrdiff increment = (sizeof(PoolContentType) + 7) & ~7;
+
+            while (p + increment <= end) {
+                visitor(reinterpret_cast<PoolContentType*>(p));
+                p += increment;
+            }
+        }
+    }
+
 private:
     void *allocate_helper(size_t size)
     {