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Rewrite spacer::sym_mux

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Simpler implementation that only provides functionality actually used
by spacer
This commit is contained in:
Arie Gurfinkel 2018-06-03 16:05:29 -07:00
parent 268274911a
commit 38c2b56f0e
4 changed files with 138 additions and 282 deletions
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43
src/muz/spacer/spacer_manager.cpp
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@ -170,42 +170,25 @@ void inductive_property::display(datalog::rule_manager& rm, ptr_vector<datalog::
}
static std::vector<std::string> state_suffixes() {
std::vector<std::string> res;
res.push_back("_n");
return res;
}
manager::manager(ast_manager& manager) :
m(manager), m_mux(m, state_suffixes()) {
}
manager::manager(ast_manager& manager) : m(manager), m_mux(m) {}
void manager::add_new_state(func_decl * s)
{
SASSERT(s->get_arity() == 0); //we currently don't support non-constant states
decl_vector vect;
SASSERT(o_index(0) == 1); //we assume this in the number of retrieved symbols
m_mux.create_tuple(s, s->get_arity(), s->get_domain(), s->get_range(), 2, vect);
}
func_decl * manager::get_o_pred(func_decl* s, unsigned idx)
{
func_decl * res = m_mux.try_get_by_prefix(s, o_index(idx));
if (res) { return res; }
add_new_state(s);
res = m_mux.try_get_by_prefix(s, o_index(idx));
func_decl * manager::get_o_pred(func_decl* s, unsigned idx) {
func_decl * res = m_mux.find_by_decl(s, o_index(idx));
if (!res) {
m_mux.register_decl(s);
res = m_mux.find_by_decl(s, o_index(idx));
}
SASSERT(res);
return res;
}
func_decl * manager::get_n_pred(func_decl* s)
{
func_decl * res = m_mux.try_get_by_prefix(s, n_index());
if (res) { return res; }
add_new_state(s);
res = m_mux.try_get_by_prefix(s, n_index());
func_decl * manager::get_n_pred(func_decl* s) {
func_decl * res = m_mux.find_by_decl(s, n_index());
if (!res) {
m_mux.register_decl(s);
res = m_mux.find_by_decl(s, n_index());
}
SASSERT(res);
return res;
}