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merged

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-11-30 13:17:41 -08:00
commit 124c0339c1
53 changed files with 4995 additions and 4595 deletions
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30
src/muz_qe/dl_context.cpp
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@ -995,6 +995,7 @@ namespace datalog {
p.insert("print_with_fixedpoint_extensions", CPK_BOOL, "(default true) use SMT-LIB2 fixedpoint extensions, instead of pure SMT2, when printing rules");
p.insert("print_low_level_smt2", CPK_BOOL, "(default false) use (faster) low-level SMT2 printer (the printer is scalable but the result may not be as readable)");
p.insert("print_with_variable_declarations", CPK_BOOL, "(default true) use variable declarations when displaying rules (instead of attempting to use original names)");
PRIVATE_PARAMS(
p.insert("dbg_fpr_nonempty_relation_signature", CPK_BOOL,
@ -1625,6 +1626,23 @@ namespace datalog {
void context::get_rules_as_formulas(expr_ref_vector& rules, svector<symbol>& names) {
expr_ref fml(m);
datalog::rule_manager& rm = get_rule_manager();
datalog::rule_ref_vector rule_refs(rm);
// ensure that rules are all using bound variables.
for (unsigned i = 0; i < m_rule_fmls.size(); ++i) {
ptr_vector<sort> sorts;
get_free_vars(m_rule_fmls[i].get(), sorts);
if (!sorts.empty()) {
rm.mk_rule(m_rule_fmls[i].get(), rule_refs, m_rule_names[i]);
m_rule_fmls[i] = m_rule_fmls.back();
m_rule_names[i] = m_rule_names.back();
m_rule_fmls.pop_back();
m_rule_names.pop_back();
--i;
}
}
add_rules(rule_refs);
rule_set::iterator it = m_rule_set.begin(), end = m_rule_set.end();
for (; it != end; ++it) {
(*it)->to_formula(fml);
@ -1652,6 +1670,7 @@ namespace datalog {
svector<symbol> names;
bool use_fixedpoint_extensions = m_params.get_bool("print_with_fixedpoint_extensions", true);
bool print_low_level = m_params.get_bool("print_low_level_smt2", false);
bool do_declare_vars = m_params.get_bool("print_with_variable_declarations", true);
#define PP(_e_) if (print_low_level) out << mk_smt_pp(_e_, m); else ast_smt2_pp(out, _e_, env, params);
@ -1708,7 +1727,7 @@ namespace datalog {
out << "))\n";
}
if (use_fixedpoint_extensions) {
if (use_fixedpoint_extensions && do_declare_vars) {
declare_vars(rules, fresh_names, out);
}
@ -1730,13 +1749,20 @@ namespace datalog {
}
PP(r);
if (symbol::null != nm) {
out << " :named ";
while (fresh_names.contains(nm)) {
std::ostringstream s;
s << nm << "!";
nm = symbol(s.str().c_str());
}
fresh_names.add(nm);
out << " :named " << nm << ")";
if (is_smt2_quoted_symbol(nm)) {
out << mk_smt2_quoted_symbol(nm);
}
else {
out << nm;
}
out << ")";
}
out << ")\n";
}