CThreadSlm::TState
CThreadSlm::history_state_of(TState st)
{
if (st.getLevel() >= m_N) {
TLeaf* pl = ((TLeaf *)m_Levels[m_N]) + st.getIdx();
return TState(pl->bol(), pl->bon());
} else {
TNode* pn = ((TNode *)m_Levels[st.getLevel()]) + st.getIdx();
if (pn->ch() == (pn+1)->ch())
return TState(pn->bol(), pn->bon());
else
return st;
}
}
CThreadSlm::TState&
CThreadSlm::historify(TState& st)
{
if (st.getLevel() >= m_N) {
TLeaf* pl = ((TLeaf *)m_Levels[m_N]) + st.getIdx();
st.setLevel(pl->bol());
st.setIdx(pl->bon());
} else {
TNode* pn = ((TNode *)m_Levels[st.getLevel()]) + st.getIdx();
if (pn->ch() == (pn+1)->ch()) {
st.setLevel(pn->bol());
st.setIdx(pn->bon());
}
}
return st;
}