internal COWValue(COWValueInternal backer)
{
this.backer = backer;
#if UDONSHARP_DEBUG
stackTrace = new System.Diagnostics.StackTrace(true);
#endif
backer.AddRef(this);
}
public COWValue GetCOWValue(ASTVisitorContext visitorContext)
{
if (cowValue != null)
{
if (cowValue.visitorContext != visitorContext)
{
// Hmm... new compilation context? Dirty it and get a new one.
cowValue.MarkDirty();
cowValue = null;
}
else if (cowValue.isDirty || cowValue.referenceCount == 0)
{
// If the reference count is 0, we've probably moved scopes. We clear out the cowValue here to make sure that a cowValue is only used in one scope at a time.
cowValue = null;
}
else
{
return(new COWValue(cowValue));
}
}
cowValue = new COWValueInternal(visitorContext, this);
return(new COWValue(cowValue));
}
