public string getKnownObjectHash(BuildObject obj)
{
string hash;
bool present = knownObjectHash.TryGetValue(obj, out hash);
if (!present)
{
NuObjValue value = nuObjectContents.getValue(obj);
if (value != null)
{
if (value.disp is Failed)
{
return(null);
}
else if (obj is VirtualBuildObject)
{
hash = "virtual";
}
else
{
hash = hasher.hash(obj.getFilesystemPath());
}
knownObjectHash[obj] = hash;
}
}
return(hash);
}
void blessInternal(BuildObject obj, string hashIfKnown, Disposition disp, VirtualContents contents)
{
Util.Assert(!theCache.ContainsKey(obj)); //- I don't think we should ever write the same file twice in one run.
string hash = hashIfKnown;
if (hash == null && disp is Fresh && !(obj is VirtualBuildObject))
{
hash = _hasher.hash(obj.getFilesystemPath());
}
theCache[obj] = new NuObjValue(hash, disp, contents);
}