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Handle custom tuple sorts in a general way

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This commit is contained in:
Martin Blicha 2023-07-27 16:19:53 +02:00
parent 742642ebae
commit 4ecaa476fd
1 changed files with 21 additions and 18 deletions
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35
libsmtutil/CHCSmtLib2Interface.cpp
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@ -294,15 +294,7 @@ namespace
public: public:
SMTLibTranslationContext(SMTLib2Interface const& _smtlib2Interface) : m_smtlib2Interface(_smtlib2Interface) {} SMTLibTranslationContext(SMTLib2Interface const& _smtlib2Interface) : m_smtlib2Interface(_smtlib2Interface) {}
SortPointer toSort(SMTLib2Expression const& expr) std::optional<SortPointer> lookupKnownTupleSort(std::string const& name) {
{
if (isAtom(expr))
{
auto const& name = asAtom(expr);
if (name == "Int")
return SortProvider::sintSort;
if (name == "Bool")
return SortProvider::boolSort;
std::string quotedName = "|" + name + "|"; std::string quotedName = "|" + name + "|";
auto it = ranges::find_if(m_smtlib2Interface.sortNames(), [&](auto const& entry) { auto it = ranges::find_if(m_smtlib2Interface.sortNames(), [&](auto const& entry) {
return entry.second == name || entry.second == quotedName; return entry.second == name || entry.second == quotedName;
@ -314,6 +306,21 @@ namespace
return tupleSort; return tupleSort;
} }
} }
return {};
}
SortPointer toSort(SMTLib2Expression const& expr)
{
if (isAtom(expr))
{
auto const& name = asAtom(expr);
if (name == "Int")
return SortProvider::sintSort;
if (name == "Bool")
return SortProvider::boolSort;
auto tupleSort = lookupKnownTupleSort(name);
if (tupleSort)
return tupleSort.value();
} else { } else {
auto const& args = asSubExpressions(expr); auto const& args = asSubExpressions(expr);
if (asAtom(args[0]) == "Array") if (asAtom(args[0]) == "Array")
@ -346,13 +353,9 @@ namespace
for (size_t i = 1; i < _subExpr.size(); i++) for (size_t i = 1; i < _subExpr.size(); i++)
arguments.emplace_back(toSMTUtilExpression(_subExpr[i])); arguments.emplace_back(toSMTUtilExpression(_subExpr[i]));
std::string const& op = asAtom(_subExpr.front()); std::string const& op = asAtom(_subExpr.front());
if (boost::starts_with(op, "struct")) { if (auto tupleSort = lookupKnownTupleSort(op); tupleSort)
auto sort = toSort(_subExpr.front()); {
auto sortSort = std::make_shared<SortSort>(sort); auto sortSort = std::make_shared<SortSort>(tupleSort.value());
return Expression::tuple_constructor(Expression(sortSort), arguments);
} else if (op.find("array_tuple") != std::string::npos) {
auto sort = toSort(_subExpr.front());
auto sortSort = std::make_shared<SortSort>(sort);
return Expression::tuple_constructor(Expression(sortSort), arguments); return Expression::tuple_constructor(Expression(sortSort), arguments);
} else { } else {
std::set<std::string> boolOperators{"and", "or", "not", "=", "<", ">", "<=", ">=", std::set<std::string> boolOperators{"and", "or", "not", "=", "<", ">", "<=", ">=",