public virtual void Construct(ref CallFrame callFrame)
{
DValue proto = new DValue();
PrototypePropertyDescriptor.Get(this, ref proto);
var protoObj = proto.AsDObject();
if (_prototypeMapMetadata == null || _prototypeMapMetadata.Prototype != protoObj)
{
_prototypeMapMetadata = Runtime.Instance.GetMapMetadataOfPrototype(protoObj);
}
callFrame.Function = this;
if (Metadata != null)
{
callFrame.This = (new DObject(Metadata.TypicalConstructedFieldsLength, _prototypeMapMetadata.Root));
}
else
{
callFrame.This = (new DObject(0, _prototypeMapMetadata.Root));
}
JittedCode(ref callFrame);
if (Metadata != null && Metadata.TypicalConstructedFieldsLength < callFrame.This.Fields.Length)
{
Metadata.TypicalConstructedFieldsLength = callFrame.This.Fields.Length;
}
if (ValueTypesHelper.IsObject(callFrame.Return.ValueType))
{
callFrame.This = callFrame.Return.AsDObject();
}
}
public T As <T>() where T : class
{
if (ValueTypesHelper.IsObject(ValueType))
{
return(ObjectValue as T);
}
else
{
return(null);
}
}
public DObject AsDObject()
{
Debug.Assert(ValueTypesHelper.IsObject(ValueType), "cannot convert from {0} to DObject", ValueType); return(ObjectValue as DObject);
}