void sieve_relation::to_formula(expr_ref& fml) const {
ast_manager& m = fml.get_manager();
expr_ref_vector s(m);
expr_ref tmp(m);
relation_signature const& sig = get_inner().get_signature();
unsigned sz = sig.size();
for (unsigned i = sz ; i > 0; ) {
--i;
unsigned idx = m_inner2sig[i];
s.push_back(m.mk_var(idx, sig[i]));
}
get_inner().to_formula(tmp);
get_plugin().get_context().get_var_subst()(tmp, sz, s.c_ptr(), fml);
}
bool Button::handle_events(SDL_Event* event) {
i_settings &= ~BUTTON_CLICKED;
PRINT((i_settings & BUTTON_ENABLED));
if (i_settings & BUTTON_ENABLED) {
if (event->type == SDL_MOUSEBUTTONUP) {
if (event->button.button == SDL_BUTTON_LEFT) {
if (in_range(event->button.x,
event->button.y,
*get_inner())) {
i_settings |= BUTTON_CLICKED;
if (click_sound) Mix_PlayChannel(-1, click_sound, 0);
}
}
}
}
return ( (i_settings & BUTTON_CLICKED) == BUTTON_CLICKED);
}
sieve_relation::sieve_relation(sieve_relation_plugin & p, const relation_signature & s,
const bool * inner_columns, relation_base * inner)
: relation_base(p, s), m_inner_cols(s.size(), inner_columns), m_inner(inner) {
unsigned n = s.size();
for(unsigned i=0; i<n; i++) {
if(inner_columns && inner_columns[i]) {
unsigned inner_idx = m_inner2sig.size();
SASSERT(get_inner().get_signature()[inner_idx]==s[i]);
m_sig2inner.push_back(inner_idx);
m_inner2sig.push_back(i);
}
else {
m_sig2inner.push_back(UINT_MAX);
m_ignored_cols.push_back(i);
}
}
set_kind(p.get_relation_kind(*this, inner_columns));
}
void sieve_relation::display(std::ostream & out) const {
out << "Sieve relation ";
print_container(m_inner_cols, out);
out <<"\n";
get_inner().display(out);
}
relation_base * sieve_relation::complement(func_decl* p) const {
//this is not precisely a complement, because we still treat the ignored collumns as
//full, but it should give reasonable results inside the product relation
relation_base * new_inner = get_inner().complement(p);
return get_plugin().mk_from_inner(get_signature(), m_inner_cols.c_ptr(), new_inner);
}
sieve_relation * sieve_relation::clone() const {
relation_base * new_inner = get_inner().clone();
return get_plugin().mk_from_inner(get_signature(), m_inner_cols.c_ptr(), new_inner);
}
bool sieve_relation::contains_fact(const relation_fact & f) const {
relation_fact inner_f = f;
project_out_vector_columns(inner_f, m_ignored_cols);
return get_inner().contains_fact(inner_f);
}
void sieve_relation::add_fact(const relation_fact & f) {
relation_fact inner_f = f;
project_out_vector_columns(inner_f, m_ignored_cols);
get_inner().add_fact(inner_f);
}
