private void SetTarget(CloneableAntlrFileStream stream)
{
if (PRELOAD_SOURCES)
{
strongInputStream = stream;
}
else
{
inputStream = new WeakReference <CloneableAntlrFileStream>(stream);
}
}
public ICharStream GetInputStream()
{
CloneableAntlrFileStream stream;
if (!TryGetTarget(out stream))
{
stream = new CloneableAntlrFileStream(source, ENCODING);
SetTarget(stream);
}
return(new JavaUnicodeInputStream(stream.CreateCopy()));
}
private bool TryGetTarget(out CloneableAntlrFileStream stream)
{
if (PRELOAD_SOURCES)
{
stream = strongInputStream;
return(strongInputStream != null);
}
else
{
if (inputStream == null)
{
stream = null;
return(false);
}
return(inputStream.TryGetTarget(out stream));
}
}