join_fn(sieve_relation_plugin & p, const relation_base & r1, const relation_base & r2, unsigned col_cnt,
const unsigned * cols1, const unsigned * cols2, relation_join_fn * inner_join_fun)
: convenient_relation_join_fn(r1.get_signature(), r2.get_signature(), col_cnt, cols1, cols2),
m_plugin(p),
m_inner_join_fun(inner_join_fun) {
bool r1_sieved = r1.get_plugin().is_sieve_relation();
bool r2_sieved = r2.get_plugin().is_sieve_relation();
const sieve_relation * sr1 = r1_sieved ? static_cast<const sieve_relation *>(&r1) : 0;
const sieve_relation * sr2 = r2_sieved ? static_cast<const sieve_relation *>(&r2) : 0;
if(r1_sieved) {
m_result_inner_cols.append(sr1->m_inner_cols);
}
else {
m_result_inner_cols.resize(r1.get_signature().size(), true);
}
if(r2_sieved) {
m_result_inner_cols.append(sr2->m_inner_cols);
}
else {
m_result_inner_cols.resize(m_result_inner_cols.size() + r2.get_signature().size(), true);
}
}
void operator()(expr * e)
{
if (is_app(e)) {
func_decl * sym = to_app(e)->get_decl();
unsigned idx;
if (m_parent.try_get_index(sym, idx)) {
SASSERT(idx > 0);
--idx;
if (m_indices.size() <= idx) {
m_indices.resize(idx + 1, false);
}
m_indices[idx] = true;
}
}
}
static bool iZ3_parse(Z3_context ctx, const char *filename, const char **error, svector<Z3_ast> &assertions){
read_error.clear();
try {
std::string foo(filename);
if (foo.size() >= 5 && foo.substr(foo.size() - 5) == ".smt2"){
Z3_ast assrts = Z3_parse_smtlib2_file(ctx, filename, 0, 0, 0, 0, 0, 0);
Z3_app app = Z3_to_app(ctx, assrts);
int nconjs = Z3_get_app_num_args(ctx, app);
assertions.resize(nconjs);
for (int k = 0; k < nconjs; k++)
assertions[k] = Z3_get_app_arg(ctx, app, k);
}
else {
Z3_parse_smtlib_file(ctx, filename, 0, 0, 0, 0, 0, 0);
int numa = Z3_get_smtlib_num_assumptions(ctx);
int numf = Z3_get_smtlib_num_formulas(ctx);
int num = numa + numf;
assertions.resize(num);
for (int j = 0; j < num; j++){
if (j < numa)
assertions[j] = Z3_get_smtlib_assumption(ctx, j);
else
assertions[j] = Z3_get_smtlib_formula(ctx, j - numa);
}
}
}
catch (...) {
read_error << "SMTLIB parse error: " << Z3_get_smtlib_error(ctx);
read_msg = read_error.str();
*error = read_msg.c_str();
return false;
}
Z3_set_error_handler(ctx, 0);
return true;
}
line_reader(const char * fname)
:m_eof(false),
m_eof_behind_buffer(false),
m_next_index(0),
m_ok(true),
m_data_size(0) {
m_data.resize(2*s_expansion_step);
resize_data(0);
#if _WINDOWS
errno_t err = fopen_s(&m_file, fname, "rb");
m_ok = (m_file != NULL) && (err == 0);
#else
m_file = fopen(fname, "rb");
m_ok = (m_file != NULL);
#endif
}
void resize_data(unsigned sz) {
m_data_size = sz;
m_data.resize(m_data_size+1);
m_data[m_data_size] = s_delimiter;
}