void StackHandler::prependFrames(const StackFrames &frames)
{
if (frames.isEmpty())
return;
const int count = frames.size();
beginInsertRows(QModelIndex(), 0, count - 1);
for (int i = count - 1; i >= 0; --i)
m_stackFrames.prepend(frames.at(i));
endInsertRows();
if (m_currentIndex >= 0)
setCurrentIndex(m_currentIndex + count);
emit stackChanged();
}
void StackHandler::setFramesAndCurrentIndex(const GdbMi &frames, bool isFull)
{
int targetFrame = -1;
StackFrames stackFrames;
const int n = frames.childCount();
for (int i = 0; i != n; ++i) {
stackFrames.append(StackFrame::parseFrame(frames.childAt(i), m_engine->runParameters()));
const StackFrame &frame = stackFrames.back();
// Initialize top frame to the first valid frame.
const bool isValid = frame.isUsable() && !frame.function.isEmpty();
if (isValid && targetFrame == -1)
targetFrame = i;
}
bool canExpand = !isFull && (n >= action(MaximalStackDepth)->value().toInt());
action(ExpandStack)->setEnabled(canExpand);
setFrames(stackFrames, canExpand);
// We can't jump to any file if we don't have any frames.
if (stackFrames.isEmpty())
return;
// targetFrame contains the top most frame for which we have source
// information. That's typically the frame we'd like to jump to, with
// a few exceptions:
// Always jump to frame #0 when stepping by instruction.
if (m_engine->operatesByInstruction())
targetFrame = 0;
// If there is no frame with source, jump to frame #0.
if (targetFrame == -1)
targetFrame = 0;
setCurrentIndex(targetFrame);
}