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Diffstat (limited to 'deps/v8/src/handles.h')
-rw-r--r--deps/v8/src/handles.h20
1 files changed, 16 insertions, 4 deletions
diff --git a/deps/v8/src/handles.h b/deps/v8/src/handles.h
index 8e9404cb9..938d43b8a 100644
--- a/deps/v8/src/handles.h
+++ b/deps/v8/src/handles.h
@@ -73,8 +73,8 @@ class Handle {
INLINE(T** location() const);
template <class S> static Handle<T> cast(Handle<S> that) {
- T::cast(*that);
- return Handle<T>(reinterpret_cast<T**>(that.location()));
+ T::cast(*reinterpret_cast<T**>(that.location_));
+ return Handle<T>(reinterpret_cast<T**>(that.location_));
}
static Handle<T> null() { return Handle<T>(); }
@@ -84,6 +84,10 @@ class Handle {
// implementation in api.h.
inline Handle<T> EscapeFrom(v8::HandleScope* scope);
+#ifdef DEBUG
+ bool IsDereferenceAllowed(bool allow_deferred) const;
+#endif // DEBUG
+
private:
T** location_;
@@ -341,7 +345,7 @@ class NoHandleAllocation BASE_EMBEDDED {
class HandleDereferenceGuard BASE_EMBEDDED {
public:
- enum State { ALLOW, DISALLOW };
+ enum State { ALLOW, DISALLOW, DISALLOW_DEFERRED };
#ifndef DEBUG
HandleDereferenceGuard(Isolate* isolate, State state) { }
~HandleDereferenceGuard() { }
@@ -350,10 +354,18 @@ class HandleDereferenceGuard BASE_EMBEDDED {
inline ~HandleDereferenceGuard();
private:
Isolate* isolate_;
- bool old_state_;
+ State old_state_;
#endif
};
+#ifdef DEBUG
+#define ALLOW_HANDLE_DEREF(isolate, why_this_is_safe) \
+ HandleDereferenceGuard allow_deref(isolate, \
+ HandleDereferenceGuard::ALLOW);
+#else
+#define ALLOW_HANDLE_DEREF(isolate, why_this_is_safe)
+#endif // DEBUG
+
} } // namespace v8::internal
#endif // V8_HANDLES_H_