Function pushJsonNumber

app/src/DataModel/Scripting/ScriptApiCall.cpp:335–349

* @brief Pushes a JSON double, narrowing to lua_Integer only when finite, in the qint64 range, * and exact; the range check must precede the cast, which is UB otherwise. */

 *        and exact; the range check must precede the cast, which is UB otherwise.
 */
static void pushJsonNumber(lua_State* L, double d)
{
  constexpr double kInt64Min = -9223372036854775808.0;
  constexpr double kInt64Max = 9223372036854775808.0;

  if (std::isfinite(d) && d >= kInt64Min && d < kInt64Max) {
    const qint64 i = static_cast<qint64>(d);
    if (static_cast<double>(i) == d) {
      lua_pushinteger(L, static_cast<lua_Integer>(i));
      return;
    }
  }

  lua_pushnumber(L, d);
}

/**
 * @brief Pushes a QJsonObject onto the Lua stack as a string-keyed table.