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spacer: pobs keep track of their lemmas

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This commit is contained in:
Arie Gurfinkel 2018-05-29 21:23:32 -07:00
parent 61cd74818f
commit 5072a2a869
2 changed files with 31 additions and 10 deletions
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8
src/muz/spacer/spacer_context.h
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@ -486,7 +486,11 @@ class pob {
/// derivation representing the position of this node in the parent's rule
scoped_ptr<derivation> m_derivation;
/// pobs created as children of this pob (at any time, not
/// necessarily currently active)
ptr_vector<pob> m_kids;
// lemmas created to block this pob (at any time, not necessarily active)
ptr_vector<lemma> m_lemmas;
// depth -> watch
std::map<unsigned, stopwatch> m_expand_watches;
@ -542,9 +546,13 @@ public:
bool is_closed () const { return !m_open; }
void close();
const ptr_vector<pob> &children() {return m_kids;}
void add_child (pob &v) {m_kids.push_back (&v);}
void erase_child (pob &v) {m_kids.erase (&v);}
const ptr_vector<lemma> &lemmas() {return m_lemmas;}
void add_lemma(lemma* new_lemma) {m_lemmas.push_back(new_lemma);}
bool is_ground () { return m_binding.empty (); }
unsigned get_free_vars_size() { return m_binding.size(); }
app_ref_vector const &get_binding() const {return m_binding;}