/// printed, this synthesizes the string into a temporary buffer provided and
/// returns whether or not it is big enough.
+// Helper to validate that format() parameters are scalars or pointers.
+template <typename... Args> struct validate_format_parameters;
+template <typename Arg, typename... Args>
+struct validate_format_parameters<Arg, Args...> {
+ static_assert(std::is_scalar<Arg>::value,
+ "format can't be used with non fundamental / non pointer type");
+ validate_format_parameters() { validate_format_parameters<Args...>(); }
+};
+template <> struct validate_format_parameters<> {};
+
template <typename... Ts>
class format_object final : public format_object_base {
std::tuple<Ts...> Vals;
public:
format_object(const char *fmt, const Ts &... vals)
- : format_object_base(fmt), Vals(vals...) {}
+ : format_object_base(fmt), Vals(vals...) {
+ validate_format_parameters<Ts...>();
+ }
int snprint(char *Buffer, unsigned BufferSize) const override {
return snprint_tuple(Buffer, BufferSize, index_sequence_for<Ts...>());
DEBUG(dbgs() << format("%6d", ID));
DEBUG(dbgs() << format("%6d", EC->getLeaderValue(ID)));
DEBUG(dbgs() << format(" BB#%3d", MI->getParent()->getNumber()));
- DEBUG(dbgs() << format(" %14s ", TII->getName(MI->getOpcode())));
+ DEBUG(dbgs() << format(" %14s ",
+ TII->getName(MI->getOpcode()).str().c_str()));
if (SwapVector[EntryIdx].IsLoad)
DEBUG(dbgs() << "load ");