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add dl_context::has_facts(pred)

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Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
This commit is contained in:
Nuno Lopes 2013-04-05 18:12:58 -07:00
parent 5f298b6965
commit 1ef17cbe67
4 changed files with 16 additions and 1 deletions
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4
src/muz_qe/dl_context.cpp
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@ -780,6 +780,10 @@ namespace datalog {
add_fact(head->get_decl(), fact);
}
bool context::has_facts(func_decl * pred) const {
return m_rel && m_rel->has_facts(pred);
}
void context::add_table_fact(func_decl * pred, const table_fact & fact) {
if (get_engine() == DATALOG_ENGINE) {
ensure_rel();

1
src/muz_qe/dl_context.h
View file

@ -249,6 +249,7 @@ namespace datalog {
void add_fact(app * head);
void add_fact(func_decl * pred, const relation_fact & fact);
bool has_facts(func_decl * pred) const;
void add_rule(rule_ref& r);
void add_rules(rule_ref_vector& rs);

5
src/muz_qe/rel_context.cpp
View file

@ -497,6 +497,11 @@ namespace datalog {
}
}
bool rel_context::has_facts(func_decl * pred) const {
relation_base* r = try_get_relation(pred);
return r && !r->empty();
}
void rel_context::store_relation(func_decl * pred, relation_base * rel) {
get_rmanager().store_relation(pred, rel);
}

7
src/muz_qe/rel_context.h
View file

@ -92,9 +92,14 @@ namespace datalog {
*/
bool result_contains_fact(relation_fact const& f);
/** \brief add facts to relation
*/
void add_fact(func_decl* pred, relation_fact const& fact);
void add_fact(func_decl* pred, table_fact const& fact);
/** \brief check if facts were added to relation
*/
bool has_facts(func_decl * pred) const;
/**
\brief Store the relation \c rel under the predicate \c pred. The \c context object