Merge WebKit at r82507: Initial merge by git

Change-Id: I60ce9d780725b58b45e54165733a8ffee23b683e

1 files changed, 14 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/collector/handles/Handle.h b/Source/JavaScriptCore/collector/handles/Handle.h
index 98c60ec..d4e38c0 100644
--- a/Source/JavaScriptCore/collector/handles/Handle.h
+++ b/Source/JavaScriptCore/collector/handles/Handle.h
@@ -111,10 +111,19 @@ template <typename Base, typename T> struct HandleConverter {
 };
 
 template <typename Base> struct HandleConverter<Base, Unknown> {
+    Handle<JSObject> asObject() const;
+    bool isObject() const { return jsValue().isObject(); }
+    bool getNumber(double number) const { return jsValue().getNumber(number); }
+    UString getString(ExecState*) const;
+    bool isUndefinedOrNull() const { return jsValue().isUndefinedOrNull(); }
+
+private:
+    JSValue jsValue() const { return static_cast<const Base*>(this)->get(); }
 };
 
 template <typename T> class Handle : public HandleBase, public HandleConverter<Handle<T>, T> {
 public:
+    template <typename A, typename B> friend class HandleConverter;
     typedef typename HandleTypes<T>::ExternalType ExternalType;
     template <typename U> Handle(Handle<U> o)
     {
@@ -144,6 +153,11 @@ private:
     }
 };
 
+template <typename Base> Handle<JSObject> HandleConverter<Base, Unknown>::asObject() const
+{
+    return Handle<JSObject>::wrapSlot(static_cast<const Base*>(this)->slot());
+}
+
 template <typename T, typename U> inline bool operator==(const Handle<T>& a, const Handle<U>& b)
 { 
     return a.get() == b.get();