public void Add(IToken tok)
{
m_vRPN.Add(tok);
if (tok.AsIValue() != null)
{
m_nStackPos++;
}
else if (tok.AsICallback() != null)
{
ICallback pFun = tok.AsICallback();
Global.MUP_VERIFY(pFun != null);
m_nStackPos -= pFun.GetArgsPresent() - 1;
}
Global.MUP_VERIFY(m_nStackPos >= 0);
m_nMaxStackPos = Math.Max(m_nStackPos, m_nMaxStackPos);
}
public void Pop(int num)
{
if (!m_vRPN.Any())
{
return;
}
for (int i = 0; i < num; ++i)
{
IToken tok = m_vRPN.Last();
if (tok.AsIValue() != null)
{
m_nStackPos--;
}
m_vRPN.RemoveAt(m_vRPN.Count - 1);
}
}