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fix #3777

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-05 15:08:28 -07:00
parent 406c0792f1
commit b79b8c9bc4
3 changed files with 22 additions and 22 deletions
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16
src/muz/rel/dl_mk_explanations.cpp
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@ -628,6 +628,9 @@ namespace datalog {
);
}
mk_explanations::~mk_explanations() {
}
func_decl * mk_explanations::get_union_decl(context & ctx) {
ast_manager & m = ctx.get_manager();
sort_ref s(ctx.get_decl_util().mk_rule_sort(), m);
@ -669,7 +672,7 @@ namespace datalog {
func_decl * mk_explanations::get_e_decl(func_decl * orig_decl) {
decl_map::obj_map_entry * e = m_e_decl_map.insert_if_not_there2(orig_decl, 0);
if (e->get_data().m_value==0) {
if (e->get_data().m_value == nullptr) {
relation_signature e_domain;
e_domain.append(orig_decl->get_arity(), orig_decl->get_domain());
e_domain.push_back(m_e_sort);
@ -790,8 +793,11 @@ namespace datalog {
product_relation & prod_rel = static_cast<product_relation &>(e_rel);
SASSERT(prod_rel.size()==2);
SASSERT(prod_rel[0].get_plugin().is_sieve_relation());
SASSERT(prod_rel[1].get_plugin().is_sieve_relation());
if (!prod_rel[0].get_plugin().is_sieve_relation())
throw default_exception("explanations are not supported for this query");
if (!prod_rel[1].get_plugin().is_sieve_relation())
throw default_exception("explanations are not supported for this query");
sieve_relation * srels[] = {
static_cast<sieve_relation *>(&prod_rel[0]),
static_cast<sieve_relation *>(&prod_rel[1]) };
@ -876,10 +882,10 @@ namespace datalog {
if (!m_context.generate_explanations()) {
return nullptr;
}
rule_set * res = alloc(rule_set, m_context);
scoped_ptr<rule_set> res = alloc(rule_set, m_context);
transform_facts(m_context.get_rel_context()->get_rmanager(), source, *res);
transform_rules(source, *res);
return res;
return res.detach();
}
};

2
src/muz/rel/dl_mk_explanations.h
View file

@ -66,6 +66,8 @@ namespace datalog {
*/
mk_explanations(context & ctx);
~mk_explanations() override;
/**
\brief Return explanation predicate that corresponds to \c orig_decl.
*/