// libFuzzer harness for the SML parser.  try_parse_sml returns
// std::nullopt on a malformed input rather than throwing, so any
// exception leaking is a bug.

#include <cstdint>
#include <cstddef>
#include <string>

#include "secsgem/secs2/sml.hpp"

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  std::string s(reinterpret_cast<const char*>(data), size);
  try {
    auto item = secsgem::secs2::try_parse_sml(s);
    (void)item;
  } catch (...) {
    // try_parse_sml is contractually noexcept-equivalent — must
    // return nullopt, never throw.  Anything escaping is a bug.
    __builtin_trap();
  }
  return 0;
}