Changeset 36244 in webkit for trunk/JavaScriptCore/kjs/JSValue.h

Timestamp:

Sep 6, 2008, 10:44:58 PM (17 years ago)

Author:

[email protected]

Message:

Merge squirrelfish-extreme to trunk.

File:

• trunk/JavaScriptCore/kjs/JSValue.h (modified) (1 diff)

trunk/JavaScriptCore/kjs/JSValue.h

@@ -29 +29 @@
 #include "ustring.h"
 #include <stddef.h> // for size_t
+
+// The magic number 0x4000 is not important here, it is being subtracted back out (avoiding using zero since this
+// can have unexpected effects in this type of macro, particularly where multiple-inheritance is involved).
+#define OBJECT_OFFSET(class, member) (reinterpret_cast<ptrdiff_t>(&(reinterpret_cast<class*>(0x4000)->member)) - 0x4000)
 
 namespace KJS {