Function pushLuaErr

app/src/DataModel/Scripting/ScriptApiCall.cpp:598–613

* @brief Pushes an early-failure {ok = false, error = msg[, errorCode]} table onto the Lua stack. */

 * @brief Pushes an early-failure {ok = false, error = msg[, errorCode]} table onto the Lua stack.
 */
static void pushLuaErr(lua_State* L, const QString& msg, const QString& code = QString())
{
  lua_createtable(L, 0, code.isEmpty() ? 2 : 3);
  lua_pushboolean(L, 0);
  lua_setfield(L, -2, "ok");

  const QByteArray utf8 = msg.toUtf8();
  lua_pushlstring(L, utf8.constData(), static_cast<size_t>(utf8.size()));
  lua_setfield(L, -2, "error");

  if (!code.isEmpty()) {
    const QByteArray codeUtf8 = code.toUtf8();
    lua_pushlstring(L, codeUtf8.constData(), static_cast<size_t>(codeUtf8.size()));
    lua_setfield(L, -2, "errorCode");
  }
}

/**
 * @brief Lua C closure for apiCall(method, params?) returning a result table.