lbool context::check(model_ref & m) {
flet<bool> searching(m_searching, true);
lbool r;
r = get_smt_kernel().check();
if (r != l_false)
get_smt_kernel().get_model(m);
return r;
}
void context::pop(unsigned num_scopes) {
for (unsigned i = 0; i < num_scopes; ++i) {
unsigned sz = m_ast_lim.back();
m_ast_lim.pop_back();
dealloc(m_replay_stack.back());
m_replay_stack.pop_back();
while (m_ast_trail.size() > sz) {
m_ast_trail.pop_back();
}
}
SASSERT(num_scopes <= get_smt_kernel().get_scope_level());
get_smt_kernel().pop(num_scopes);
}
void context::push() {
get_smt_kernel().push();
if (!m_user_ref_count) {
m_ast_lim.push_back(m_ast_trail.size());
m_replay_stack.push_back(0);
}
}
void context::pop(unsigned num_scopes) {
for (unsigned i = 0; i < num_scopes; ++i) {
if (!m_user_ref_count) {
unsigned sz = m_ast_lim.back();
m_ast_lim.pop_back();
dealloc(m_replay_stack.back());
m_replay_stack.pop_back();
while (m_ast_trail.size() > sz) {
m_ast_trail.pop_back();
}
}
}
get_smt_kernel().pop(num_scopes);
}
void context::assert_cnstr(expr * a) {
get_smt_kernel().assert_expr(a);
}
void context::push() {
get_smt_kernel().push();
m_ast_lim.push_back(m_ast_trail.size());
m_replay_stack.push_back(0);
}