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initial working version

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-06-09 20:58:41 -07:00 • committed by Arie Gurfinkel
parent da18f0e0b7
commit 008f003aa0
3 changed files with 438 additions and 404 deletions
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9
src/qe/qe_term_graph.h
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@ -37,18 +37,23 @@ namespace qe {
/// Process (and potentially augment) a literal
virtual app_ref process_lit (app *lit) = 0;
};
class term_graph {
struct term_hash { unsigned operator()(term const* t) const; };
struct term_eq { bool operator()(term const* a, term const* b) const; };
ast_manager & m;
ptr_vector<term> m_terms;
app_ref_vector m_lits; // NSB: expr_ref_vector?
u_map<term* > m_app2term;
ast_ref_vector m_pinned;
u_map<expr*> m_term2app;
plugin_manager<term_graph_plugin> m_plugins;
ptr_hashtable<term, term_hash, term_eq> m_cg_table;
vector<std::pair<term*,term*>> m_merge;
void merge(term &t1, term &t2);
void merge_flush();
term *mk_term(expr *t);
term *get_term(expr *t);