void CoverageView::refresh()
{
    clear();

    if (!_data || !_activeItem) return;

    ProfileContext::Type t = _activeItem->type();
    TraceFunction* f = 0;
    if (t == ProfileContext::Function) f = (TraceFunction*) _activeItem;
    if (t == ProfileContext::FunctionCycle) f = (TraceFunction*) _activeItem;
    if (!f) return;



    _hc.clear(GlobalConfig::maxListCount());
    SubCost realSum = f->inclusive()->subCost(_eventType);

    TraceFunctionList l;
    if (_showCallers)
      l = Coverage::coverage(f, Coverage::Caller, _eventType);
    else
      l = Coverage::coverage(f, Coverage::Called, _eventType);

    foreach(TraceFunction* f2, l) {
      Coverage* c = (Coverage*) f2->association(Coverage::Rtti);
      if (c && (c->inclusive()>0.0))
        _hc.addCost(f2, SubCost(realSum * c->inclusive()));
    }

// for call lines
InstrItem::InstrItem(InstrView* iv, QTreeWidgetItem* parent, Addr addr,
		     TraceInstr* instr, TraceInstrCall* instrCall)
    : QTreeWidgetItem(parent)
{
  _view = iv;
  _addr = addr;
  _instr = instr;
  _instrCall = instrCall;
  _instrJump = 0;
  _inside = true;

  setTextAlignment(0, Qt::AlignRight);
  setTextAlignment(1, Qt::AlignRight);
  setTextAlignment(2, Qt::AlignRight);

  //qDebug("InstrItem: (file %d, line %d) Linecall to %s",
  //       fileno, lineno, _lineCall->call()->called()->prettyName().toAscii());

  SubCost cc = _instrCall->callCount();
  QString callStr = "  ";
  if (cc==0)
    callStr += QObject::tr("Active call to '%1'")
               .arg(_instrCall->call()->calledName());
  else
    callStr += QObject::tr("%n call(s) to '%2'", "", (uint64)cc)
               .arg(_instrCall->call()->calledName());

  TraceFunction* calledF = _instrCall->call()->called();
  calledF->addPrettyLocation(callStr);

  setText(6, callStr);

  updateGroup();
  updateCost();
}

void SourceView::context(QListViewItem* i, const QPoint & p, int c)
{
  QPopupMenu popup;

  // Menu entry:
  TraceLineCall* lc = i ? ((SourceItem*) i)->lineCall() : 0;
  TraceLineJump* lj = i ? ((SourceItem*) i)->lineJump() : 0;
  TraceFunction* f = lc ? lc->call()->called() : 0;
  TraceLine* line = lj ? lj->lineTo() : 0;

  if (f) {
    QString name = f->name();
    if ((int)name.length()>Configuration::maxSymbolLength())
      name = name.left(Configuration::maxSymbolLength()) + "...";
    popup.insertItem(i18n("Go to '%1'").arg(name), 93);
    popup.insertSeparator();
  }
  else if (line) {
    popup.insertItem(i18n("Go to Line %1").arg(line->name()), 93);
    popup.insertSeparator();
  }

  if ((c == 1) || (c == 2)) {
    addCostMenu(&popup);
    popup.insertSeparator();
  }
  addGoMenu(&popup);

  int r = popup.exec(p);
  if (r == 93) {
    if (f) activated(f);
    if (line) activated(line);
  }
}

void CoverageView::context(QListViewItem* i, const QPoint & p, int c)
{
  QPopupMenu popup;

  TraceFunction* f = 0;
  if (i) {
      f = _showCallers ?
	  ((CallerCoverageItem*)i)->function() :
	  ((CalleeCoverageItem*)i)->function();
  }

  if (f) {
    QString name = f->name();
    if ((int)name.length()>Configuration::maxSymbolLength())
	name = name.left(Configuration::maxSymbolLength()) + "...";
    popup.insertItem(i18n("Go to '%1'").arg(name), 93);
    popup.insertSeparator();
  }

   if ((c == 0) || (!_showCallers && c == 1)) {
    addCostMenu(&popup, false);
    popup.insertSeparator();
  }
  addGoMenu(&popup); 

  int r = popup.exec(p);
  if (r == 93) activated(f);
}

void CoverageView::context(const QPoint & p)
{
  int c = columnAt(p.x());
  QTreeWidgetItem* i = itemAt(p);
  QMenu popup;

  TraceFunction* f = 0;
  if (i) {
      f = _showCallers ?
	  ((CallerCoverageItem*)i)->function() :
	  ((CalleeCoverageItem*)i)->function();
  }

  QAction* activateFunctionAction = 0;
  if (f) {
      QString menuText = tr("Go to '%1'").arg(GlobalConfig::shortenSymbol(f->prettyName()));
      activateFunctionAction = popup.addAction(menuText);
      popup.addSeparator();
  }

   if ((c == 0) || (!_showCallers && c == 1)) {
    addEventTypeMenu(&popup, false);
    popup.addSeparator();
  }
  addGoMenu(&popup); 

  QAction* a = popup.exec(mapToGlobal(p + QPoint(0,header()->height())));
  if (a == activateFunctionAction)
      TraceItemView::activated(f);
}

bool Stack::contains(TraceFunction* fn)
{
    // cycles are listed on there own
    if (fn->cycle() == fn) return false;
    if (_top->cycle() == _top) return false;

  if (fn == _top)
    return true;

  TraceFunction* f = _top;
  TraceCall* c;

  for (c=_calls.first();c;c=_calls.next()) {
    f = c->called();
    if (f == fn)
      return true;
  }

  TraceCallList l;

  // try to extend at bottom (even if callCount 0)
  l = f->callings();
  for (c=l.first();c;c=l.next()) {
    f = c->called();
    if (f == fn)
      break;
  }

  if (c) {
    _calls.append(c);

    // extend at bottom after found one
    extendBottom();
    return true;
  }

  // try to extend at top (even if callCount 0)
  l = _top->callers();
  for (c=l.first();c;c=l.next()) {
    f = c->caller();
    if (f == fn)
      break;
  }

  if (c) {
    _calls.prepend(c);

    // extend at top after found one
    extendTop();
    return true;
  }

  return false;
}

void Stack::extendBottom()
{
  TraceCallList l;
  TraceCall *c,  *call;
  SubCost most;
  TraceFunction* f;

  if (_calls.last())
    f = _calls.last()->called();
  else
    f = _top;

  if (!f) return;
  // do not follow calls from cycles
  if (f->cycle() == f) return;


  int max = 30;

  // try to extend to lower stack frames
  while (f && (max-- >0)) {
    l = f->callings();
    call = 0;
    most = 0;
    for (c=l.first();c;c=l.next()) {
	// no cycle calls in stack: could be deleted without notice
	if (c->called()->cycle() == c->called()) continue;
	// no simple recursions
	if (c->called() == _top) continue;

      if (c->called()->name().isEmpty()) continue;
      SubCost sc = c->subCost(0); // FIXME
      if (sc == 0) continue;

      if (sc > most) {
        most = sc;
        call = c;
      }
    }
    if (!call)
      break;

    _calls.append(call);
    f = call->called();
  }
}

void CallView::context(const QPoint & p)
{
  QMenu popup;

  // p is in local coordinates
  int col = columnAt(p.x());
  QTreeWidgetItem* i = itemAt(p);
  TraceCall* c = i ? ((CallItem*) i)->call() : 0;
  TraceFunction *f = 0, *cycle = 0;

  QAction* activateFunctionAction = 0;
  QAction* activateCycleAction = 0;
  if (c) {
    QString name  = _showCallers ? c->callerName(true) : c->calledName(true);
    f = _showCallers ? c->caller(true) : c->called(true);
    cycle = f->cycle();

    QString menuText = tr("Go to '%1'").arg(GlobalConfig::shortenSymbol(name));
    activateFunctionAction = popup.addAction(menuText);

    if (cycle) {
	name = GlobalConfig::shortenSymbol(cycle->prettyName());
        QString menuText = tr("Go to '%1'").arg(name);
        activateCycleAction = popup.addAction(menuText);
    }

    popup.addSeparator();
  }

  if ((col == 0) || (col == 1)) {
    addEventTypeMenu(&popup);
    popup.addSeparator();
  }
  addGoMenu(&popup);

  QAction* a = popup.exec(mapToGlobal(p + QPoint(0,header()->height())));
  if (a == activateFunctionAction)
      TraceItemView::activated(f);
  else if (a == activateCycleAction)
      TraceItemView::activated(cycle);
}

void CallView::refresh()
{
    clear();
    setColumnWidth(1, _eventType2 ? 50:0);

    if (_eventType)
        _headerLabels[0] = _eventType->name();
    if (_eventType2)
        _headerLabels[1] = _eventType2->name();
    setHeaderLabels(_headerLabels);

    if (!_data || !_activeItem) return;

    TraceFunction* f = activeFunction();
    if (!f) return;

    TraceCall* call;
    // In the call lists, we skip cycles to show the real call relations
    TraceCallList l = _showCallers ? f->callers(true) : f->callings(true);

    QList<QTreeWidgetItem*> items;
    for (call=l.first();call;call=l.next())
	if (call->subCost(_eventType)>0)
            items.append(new CallItem(this, 0, call));

    // when inserting, switch off sorting for performance reason
    setSortingEnabled(false);
    addTopLevelItems(items);
    setSortingEnabled(true);
    // enabling sorting switches on the indicator, but we want it off
    header()->setSortIndicatorShown(false);
    // resize to content now (section size still can be interactively changed)
    header()->resizeSections(QHeaderView::ResizeToContents);

    if (!_eventType2)
        setColumnWidth(1, 0);
}

// for call lines
SourceItem::SourceItem(SourceView* sv, QTreeWidgetItem* parent,
		       int fileno, unsigned int lineno,
                       TraceLine* line, TraceLineCall* lineCall)
    : QTreeWidgetItem(parent)
{
  _view = sv;
  _lineno = lineno;
  _fileno = fileno;
  _inside = true;
  _line = line;
  _lineCall = lineCall;
  _lineJump = 0;

  setTextAlignment(0, Qt::AlignRight);
  setTextAlignment(1, Qt::AlignRight);
  setTextAlignment(2, Qt::AlignRight);

  //qDebug("SourceItem: (file %d, line %d) Linecall to %s",
  //       fileno, lineno, _lineCall->call()->called()->prettyName().toAscii());

  SubCost cc = _lineCall->callCount();
  QString callStr = "  ";
  if (cc==0)
      callStr += QObject::tr("Active call to '%1'")
          .arg(_lineCall->call()->calledName());
  else
      callStr += QObject::tr("%n call(s) to '%2'", "", (uint64)cc)
          .arg(_lineCall->call()->calledName());

  TraceFunction* calledF = _lineCall->call()->called();
  calledF->addPrettyLocation(callStr);

  setText(4, callStr);

  updateGroup();
  updateCost();
}

void CoverageView::refresh()
{
    clear();
    setColumnWidth(0, 50);
    if (!_showCallers)
	setColumnWidth(1, 50);

    if (!_data || !_activeItem) return;

    TraceItem::CostType t = _activeItem->type();
    TraceFunction* f = 0;
    if (t == TraceItem::Function) f = (TraceFunction*) _activeItem;
    if (t == TraceItem::FunctionCycle) f = (TraceFunction*) _activeItem;
    if (!f) return;

    TraceFunction* ff;
    TraceFunctionList l;

    _hc.clear(Configuration::maxListCount());
    SubCost realSum = f->inclusive()->subCost(_costType);

    if (_showCallers)
      l = Coverage::coverage(f, Coverage::Caller, _costType);
    else
      l = Coverage::coverage(f, Coverage::Called, _costType);

    for (ff=l.first();ff;ff=l.next()) {
      Coverage* c = (Coverage*) ff->assoziation(Coverage::Rtti);
      if (c && (c->inclusive()>0.0))
	_hc.addCost(ff, SubCost(realSum * c->inclusive()));
    }

    for(int i=0;i<_hc.realCount();i++) {
      ff = (TraceFunction*) _hc[i];
      Coverage* c = (Coverage*) ff->assoziation(Coverage::Rtti);
      if (_showCallers)
	new CallerCoverageItem(this, c, f, _costType, _groupType);
      else
	new CalleeCoverageItem(this, c, f, _costType, _groupType);
    }
    if (_hc.hasMore()) {
      // a placeholder for all the functions skipped ...
      ff = (TraceFunction*) _hc[_hc.maxSize()-1];
      Coverage* c = (Coverage*) ff->assoziation(Coverage::Rtti);
      if (_showCallers)
	new CallerCoverageItem(this, _hc.count() - _hc.maxSize(),
			       c, f, _costType, _groupType);
      else
	new CalleeCoverageItem(this, _hc.count() - _hc.maxSize(),
			       c, f, _costType, _groupType);
    }
}

//.........这里部分代码省略.........

                // update maximum of call cost
                _data->callMax()->maxCost(partInstrCall);
                _data->updateMaxCallCount(partInstrCall->callCount());
            }

            if (hasLineInfo) {
                TraceLineCall* lineCall;
                TracePartLineCall* partLineCall;

                lineCall = calling->lineCall(currentLine);
                partLineCall = lineCall->partLineCall(_part, partCalling);

                partLineCall->addCallCount(currentCallCount);
                partLineCall->addCost(mapping, line);

                // update maximum of call cost
                _data->callMax()->maxCost(partLineCall);
                _data->updateMaxCallCount(partLineCall->callCount());
            }
#endif
            currentCalledFile = 0;
            currentCalledPartFile = 0;
            currentCalledObject = 0;
            currentCalledPartObject = 0;
            currentCallCount = 0;

            if (!line.isEmpty()) {
                error(QStringLiteral("Garbage at end of call cost line ('%1')").arg(line));
            }
        }
        else { // (nextLineType == BoringJump || nextLineType == CondJump)

            TraceFunctionSource* targetSource;

            if (!currentJumpToFunction)
                currentJumpToFunction = currentFunction;

            targetSource = (currentJumpToFile) ?
                               currentJumpToFunction->sourceFile(currentJumpToFile, true) :
                               currentFunctionSource;

#if USE_FIXCOST
            new (pool) FixJump(_part, pool,
                               /* source */
                               hasLineInfo ? currentPos.fromLine : 0,
                               hasAddrInfo ? currentPos.fromAddr : 0,
                               currentPartFunction,
                               currentFunctionSource,
                               /* target */
                               hasLineInfo ? targetPos.fromLine : 0,
                               hasAddrInfo ? targetPos.fromAddr : Addr(0),
                               currentJumpToFunction,
                               targetSource,
                               (nextLineType == CondJump),
                               jumpsExecuted, jumpsFollowed);
#else
            if (hasAddrInfo) {
                TraceInstr* jumpToInstr;
                TraceInstrJump* instrJump;
                TracePartInstrJump* partInstrJump;

                jumpToInstr = currentJumpToFunction->instr(targetPos.fromAddr,
                                                           true);
                instrJump = currentInstr->instrJump(jumpToInstr,
                                                    (nextLineType == CondJump));

void SourceView::refresh()
{
  clear();
  setColumnWidth(0, 20);
  setColumnWidth(1, 50);
  setColumnWidth(2, _costType2 ? 50:0);
  setColumnWidth(3, 0); // arrows, defaults to invisible
  setSorting(0); // always reset to line number sort
  if (_costType)
    setColumnText(1, _costType->name());
  if (_costType2)
    setColumnText(2, _costType2->name());

  _arrowLevels = 0;

  if (!_data || !_activeItem) {
    setColumnText(4, i18n("(No Source)"));
    return;
  }

  TraceItem::CostType t = _activeItem->type();
  TraceFunction* f = 0;
  if (t == TraceItem::Function) f = (TraceFunction*) _activeItem;
  if (t == TraceItem::Instr) {
    f = ((TraceInstr*)_activeItem)->function();
    if (!_selectedItem) _selectedItem = _activeItem;
  }
  if (t == TraceItem::Line) {
    f = ((TraceLine*)_activeItem)->functionSource()->function();
    if (!_selectedItem) _selectedItem = _activeItem;
  }

  if (!f) return;

  // Allow resizing of column 2
  setColumnWidthMode(2, QListView::Maximum);

  TraceFunctionSource* mainSF = f->sourceFile();

  // skip first source if there's no debug info and there are more sources
  // (this is for a bug in GCC 2.95.x giving unknown source for prologs)
  if (mainSF &&
      (mainSF->firstLineno() == 0) &&
      (mainSF->lastLineno() == 0) &&
      (f->sourceFiles().count()>1) ) {
	  // skip
  }
  else
      fillSourceFile(mainSF, 0);

  TraceFunctionSource* sf;
  int fileno = 1;
  TraceFunctionSourceList l = f->sourceFiles();
  for (sf=l.first();sf;sf=l.next(), fileno++)
    if (sf != mainSF)
      fillSourceFile(sf, fileno);

  if (!_costType2) {
    setColumnWidthMode(2, QListView::Manual);
    setColumnWidth(2, 0);
  }
}

void CostTypeItem::update()
{
  TraceData* d = _costItem ? _costItem->data() : 0;
  double total = d ? ((double)d->subCost(_costType)) : 0.0;

  if (total == 0.0) {
    setText(1, "-");
    setPixmap(1, QPixmap());
    setText(2, "-");
    setPixmap(2, QPixmap());
    return;
  }

  TraceFunction* f = (_costItem->type()==TraceCost::Function) ?
                     (TraceFunction*)_costItem : 0;

  TraceCost* selfTotalCost = f ? f->data() : d;
  if (f && Configuration::showExpanded()) {
      switch(_groupType) {
      case TraceCost::Object: selfTotalCost = f->object(); break;
      case TraceCost::Class:  selfTotalCost = f->cls(); break;
      case TraceCost::File:   selfTotalCost = f->file(); break;
      case TraceCost::FunctionCycle: selfTotalCost = f->cycle(); break;
      default: break;
      }
  }
  if (_costItem->type()==TraceCost::FunctionCycle) {
      f = (TraceFunction*)_costItem;
      selfTotalCost = f->data();
  }

  double selfTotal = selfTotalCost->subCost(_costType);

  // for all cost items there's a self cost
  _pure = _costItem ? _costItem->subCost(_costType) : SubCost(0);
  double pure  = 100.0 * _pure / selfTotal;
  if (Configuration::showPercentage()) {
    setText(2, QString("%1")
            .arg(pure, 0, 'f', Configuration::percentPrecision()));
  }
  else
    setText(2, _costItem->prettySubCost(_costType));

  setPixmap(2, costPixmap(_costType, _costItem, selfTotal, false));

  if (!f) {
    setText(1, "-");
    setPixmap(1, QPixmap());
    return;
  }

  _sum = f->inclusive()->subCost(_costType);
  double sum  = 100.0 * _sum / total;
  if (Configuration::showPercentage()) {
    setText(1, QString("%1")
            .arg(sum, 0, 'f', Configuration::percentPrecision()));
  }
  else
    setText(1, _sum.pretty());

  setPixmap(1, costPixmap(_costType, f->inclusive(), total, false));
}

void EventTypeItem::update()
{
    TraceData* d = _costItem ? _costItem->data() : 0;
    double total = d ? ((double)d->subCost(_eventType)) : 0.0;

    if (total == 0.0) {
        setText(1, "-");
        setIcon(1, QIcon());
        setText(2, "-");
        setIcon(2, QIcon());
        return;
    }

    TraceFunction* f = (_costItem && _costItem->type()==ProfileContext::Function) ?
                       (TraceFunction*)_costItem : 0;

    ProfileCostArray* selfTotalCost = f ? f->data() : d;
    if (f && GlobalConfig::showExpanded()) {
        ProfileCostArray* parent = 0;
        switch(_groupType) {
        case ProfileContext::Object:
            parent = f->object();
            break;
        case ProfileContext::Class:
            parent = f->cls();
            break;
        case ProfileContext::File:
            parent = f->file();
            break;
        case ProfileContext::FunctionCycle:
            parent = f->cycle();
            break;
        default:
            break;
        }
        if (parent) selfTotalCost = parent;
    }
    if (_costItem && _costItem->type()==ProfileContext::FunctionCycle) {
        f = (TraceFunction*)_costItem;
        selfTotalCost = f->data();
    }

    double selfTotal = selfTotalCost->subCost(_eventType);

    // for all cost items there is a self cost
    _pure = _costItem ? _costItem->subCost(_eventType) : SubCost(0);
    double pure  = 100.0 * _pure / selfTotal;
    if (GlobalConfig::showPercentage()) {
        setText(2, QString("%1")
                .arg(pure, 0, 'f', GlobalConfig::percentPrecision()));
    }
    else if (_costItem)
        setText(2, _costItem->prettySubCost(_eventType));

    setIcon(2, QIcon(costPixmap(_eventType, _costItem, selfTotal, false)));

    if (!f) {
        setText(1, "-");
        setIcon(1, QIcon());
        return;
    }

    _sum = f->inclusive()->subCost(_eventType);
    double sum  = 100.0 * _sum / total;
    if (GlobalConfig::showPercentage()) {
        setText(1, QString("%1")
                .arg(sum, 0, 'f', GlobalConfig::percentPrecision()));
    }
    else
        setText(1, _sum.pretty());

    setIcon(1, QIcon(costPixmap(_eventType, f->inclusive(), total, false)));
}

// Note: Callgrind gives different IDs even for same function
// when parts of the function are from different source files.
// Thus, it is no error when multiple indexes map to same function.
TraceFunction* CachegrindLoader::compressedFunction(const QString& name,
                                                    TraceFile* file,
                                                    TraceObject* object)
{
    if ((name[0] != '(') || !name[1].isDigit())
        return _data->function(checkUnknown(name), file, object);

    // compressed format using _functionVector
    int p = name.indexOf(')');
    if (p<2) {
        error(QStringLiteral("Invalid compressed function ('%1')").arg(name));
        return 0;
    }


    int index = name.midRef(1, p-1).toUInt();
    TraceFunction* f = 0;
    p++;
    while((name.length()>p) && name.at(p).isSpace()) p++;
    if (name.length()>p) {
        if (_functionVector.size() <= index) {
            int newSize = index * 2;
#if TRACE_LOADER
            qDebug() << " CachegrindLoader::functionVector enlarged to "
                     << newSize;
#endif
            _functionVector.resize(newSize);
        }

        QString realName = checkUnknown(name.mid(p));
        f = (TraceFunction*) _functionVector.at(index);
        if (f && (f->name() != realName)) {
            error(QStringLiteral("Redefinition of compressed function index %1 (was '%2') to %3")
                  .arg(index).arg(f->name()).arg(realName));
        }

        f = _data->function(realName, file, object);
        _functionVector.replace(index, f);

#if TRACE_LOADER
        qDebug() << "compressedFunction: Inserted at Index " << index
                 << "\n  " << f->fullName()
                 << "\n  in " << f->cls()->fullName()
                 << "\n  in " << f->file()->fullName()
                 << "\n  in " << f->object()->fullName();
#endif
    }
    else {
        if ((_functionVector.size() <= index) ||
            ( (f=(TraceFunction*)_functionVector.at(index)) == 0)) {
            error(QStringLiteral("Undefined compressed function index %1").arg(index));
            return 0;
        }

        // there was a check if the used function (returned from KCachegrinds
        // model) has the same object and file as here given to us, but that was wrong:
        // that holds only if we make this assumption on the model...
    }


    return f;
}

void CachegrindLoader::setFunction(const QString& name)
{
    ensureFile();
    ensureObject();

    currentFunction = compressedFunction( name,
                                          currentFile,
                                          currentObject);

    if (!currentFunction) {
        error(QStringLiteral("Invalid function specification, setting to unknown"));

        currentFunction = _data->function(_emptyString,
                                          currentFile,
                                          currentObject);
    }

    currentPartFunction = currentFunction->partFunction(_part,
                                                        currentPartFile,
                                                        currentPartObject);

    currentFunctionSource = 0;
    currentLine = 0;
    currentPartLine = 0;
}

void CachegrindLoader::setCalledFunction(const QString& name)
{
    // if called object/file not set, use current object/file
    if (!currentCalledObject) {
        currentCalledObject = currentObject;
        currentCalledPartObject = currentPartObject;
    }

    if (!currentCalledFile) {
        // !=0 as functions needs file
        currentCalledFile = currentFile;
        currentCalledPartFile = currentPartFile;
    }

    currentCalledFunction = compressedFunction(name,
                                               currentCalledFile,
                                               currentCalledObject);
    if (!currentCalledFunction) {
        error(QStringLiteral("Invalid called function, setting to unknown"));

        currentCalledFunction = _data->function(_emptyString,
                                                currentCalledFile,
                                                currentCalledObject);
    }

    currentCalledPartFunction =
            currentCalledFunction->partFunction(_part,
                                                currentCalledPartFile,
                                                currentCalledPartObject);
}

// make sure that a valid function is set, at least dummy with empty name
void CachegrindLoader::ensureFunction()
{
    if (currentFunction) return;

    error(QStringLiteral("Function not specified, setting to unknown"));

    ensureFile();
    ensureObject();

    currentFunction = _data->function(_emptyString,
                                      currentFile,
                                      currentObject);
    currentPartFunction = currentFunction->partFunction(_part,
                                                        currentPartFile,
                                                        currentPartObject);
}