| v8.h | v8.h | |||
|---|---|---|---|---|
| skipping to change at line 138 | skipping to change at line 138 | |||
| class Heap; | class Heap; | |||
| class Top; | class Top; | |||
| } | } | |||
| // --- W e a k H a n d l e s | // --- W e a k H a n d l e s | |||
| /** | /** | |||
| * A weak reference callback function. | * A weak reference callback function. | |||
| * | * | |||
| * This callback should either explicitly invoke Dispose on |object| if | ||||
| * V8 wrapper is not needed anymore, or 'revive' it by invocation of MakeWe | ||||
| ak. | ||||
| * | ||||
| * \param object the weak global object to be reclaimed by the garbage coll ector | * \param object the weak global object to be reclaimed by the garbage coll ector | |||
| * \param parameter the value passed in when making the weak global object | * \param parameter the value passed in when making the weak global object | |||
| */ | */ | |||
| typedef void (*WeakReferenceCallback)(Persistent<Value> object, | typedef void (*WeakReferenceCallback)(Persistent<Value> object, | |||
| void* parameter); | void* parameter); | |||
| // --- H a n d l e s --- | // --- H a n d l e s --- | |||
| #define TYPE_CHECK(T, S) \ | #define TYPE_CHECK(T, S) \ | |||
| while (false) { \ | while (false) { \ | |||
| *(static_cast<T**>(0)) = static_cast<S*>(0); \ | *(static_cast<T* volatile*>(0)) = static_cast<S*>(0); \ | |||
| } | } | |||
| /** | /** | |||
| * An object reference managed by the v8 garbage collector. | * An object reference managed by the v8 garbage collector. | |||
| * | * | |||
| * All objects returned from v8 have to be tracked by the garbage | * All objects returned from v8 have to be tracked by the garbage | |||
| * collector so that it knows that the objects are still alive. Also, | * collector so that it knows that the objects are still alive. Also, | |||
| * because the garbage collector may move objects, it is unsafe to | * because the garbage collector may move objects, it is unsafe to | |||
| * point directly to an object. Instead, all objects are stored in | * point directly to an object. Instead, all objects are stored in | |||
| * handles which are known by the garbage collector and updated | * handles which are known by the garbage collector and updated | |||
| End of changes. 2 change blocks. | ||||
| 3 lines changed or deleted | 7 lines changed or added | |||