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Bugfix: treat persistent V8 references correctly.

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V8 is somewhat inconvenient regarding invoke of destructors for C++ proxies.
This commit is contained in:
Oliver Buchtala 2013-01-30 18:50:03 +01:00
commit d3aa8e06fb
2 changed files with 15 additions and 5 deletions
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17
Lib/javascript/v8/javascriptruntime.swg
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@ -72,12 +72,17 @@ public:
};
~SWIGV8_Proxy() {
handle.ClearWeak();
handle->SetInternalField(0, v8::Undefined());
handle.Dispose();
handle.Clear();
v8::V8::AdjustAmountOfExternalAllocatedMemory(-SWIGV8_AVG_OBJ_SIZE);
}
bool swigCMemOwn;
void *swigCObject;
swig_type_info *info;
v8::Persistent<v8::Object> handle;
};
class SWIGV8_ClientData {
@ -131,14 +136,16 @@ void SWIGV8_SetPrivateData(v8::Handle<v8::Object> obj, void* ptr, swig_type_info
cdata->swigCMemOwn = (flags & SWIG_POINTER_OWN) ? 1 : 0;
cdata->info = info;
obj->SetPointerInInternalField(0, cdata);
v8::Persistent<v8::Object> weakptr = v8::Persistent<v8::Object>::New(obj);
// clientdata must be set for owned data as we need to register the dtor
cdata->handle = v8::Persistent<v8::Object>::New(obj);
// clientdata must be set for owned data as we need to register the dtor
if(cdata->swigCMemOwn) {
weakptr.MakeWeak(cdata, ((SWIGV8_ClientData*)info->clientdata)->dtor);
cdata->handle.MakeWeak(cdata, ((SWIGV8_ClientData*)info->clientdata)->dtor);
} else {
weakptr.MakeWeak(cdata, SWIGV8_Proxy_DefaultDtor);
cdata->handle.MakeWeak(cdata, SWIGV8_Proxy_DefaultDtor);
}
cdata->handle.MarkIndependent();
}
int SWIG_V8_ConvertPtr(v8::Handle<v8::Value> valRef, void** ptr, swig_type_info *info, int flags) {