File indexing completed on 2024-04-28 04:38:35

 /*
     SPDX-FileCopyrightText: 2009 Vladimir Prus <ghost@cs.msu.su>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "miframestackmodel.h"
 
 #include "midebugsession.h"
 #include "mi/micommand.h"
 
 #include <KLocalizedString>
 
 #include <algorithm>
 
 using namespace KDevelop;
 using namespace KDevMI;
 using namespace KDevMI::MI;
 
 QString getFunctionOrAddress(const Value &frame)
 {
     if (frame.hasField(QStringLiteral("func")))
         return frame[QStringLiteral("func")].literal();
     else
         return frame[QStringLiteral("addr")].literal();
 }
 
 QPair<QString, int> getSource(const Value &frame)
 {
     QPair<QString, int> ret(QString(), -1);
     if (frame.hasField(QStringLiteral("fullname")))
         ret=qMakePair(frame[QStringLiteral("fullname")].literal(), frame[QStringLiteral("line")].toInt()-1);
     else if (frame.hasField(QStringLiteral("file")))
         ret=qMakePair(frame[QStringLiteral("file")].literal(), frame[QStringLiteral("line")].toInt()-1);
     else if (frame.hasField(QStringLiteral("from")))
         ret.first=frame[QStringLiteral("from")].literal();
 
     return ret;
 }
 
 MIFrameStackModel::MIFrameStackModel(MIDebugSession * session)
     : FrameStackModel(session)
 {
 }
 
 MIDebugSession * MIFrameStackModel::session()
 {
     return static_cast<MIDebugSession *>(FrameStackModel::session());
 }
 
 void MIFrameStackModel::fetchThreads()
 {
     session()->addCommand(ThreadInfo, QString(), this, &MIFrameStackModel::handleThreadInfo);
 }
 
 void MIFrameStackModel::handleThreadInfo(const ResultRecord& r)
 {
     const Value& threads = r[QStringLiteral("threads")];
 
     QVector<FrameStackModel::ThreadItem> threadsList;
     threadsList.reserve(threads.size());
     for (int i = 0; i!= threads.size(); ++i) {
         const auto &threadMI = threads[i];
         FrameStackModel::ThreadItem threadItem;
         threadItem.nr = threadMI[QStringLiteral("id")].toInt();
         if (threadMI[QStringLiteral("state")].literal() == QLatin1String("stopped")) {
             threadItem.name = getFunctionOrAddress(threadMI[QStringLiteral("frame")]);
         } else {
             threadItem.name = i18n("(running)");
         }
         threadsList << threadItem;
     }
     // Sort the list by id, some old version of GDB
     // reports them in backward order. We want UI to
     // show thread IDs in the natural order.
     std::sort(threadsList.begin(), threadsList.end(),
               [](const FrameStackModel::ThreadItem &a, const FrameStackModel::ThreadItem &b){
                   return a.nr < b.nr;
               });
 
     setThreads(threadsList);
     if (r.hasField(QStringLiteral("current-thread-id"))) {
         int currentThreadId = r[QStringLiteral("current-thread-id")].toInt();
 
         setCurrentThread(currentThreadId);
 
         if (session()->hasCrashed()) {
             setCrashedThreadIndex(currentThreadId);
         }
     }
 }
 
 struct FrameListHandler : public MICommandHandler
 {
     FrameListHandler(MIFrameStackModel* model, int thread, int to)
         : model(model), m_thread(thread) , m_to(to) {}
 
     void handle(const ResultRecord &r) override
     {
         const Value& stack = r[QStringLiteral("stack")];
         int first = stack[0][QStringLiteral("level")].toInt();
         QVector<KDevelop::FrameStackModel::FrameItem> frames;
         frames.reserve(stack.size());
         for (int i = 0; i< stack.size(); ++i) {
             const Value& frame = stack[i];
             KDevelop::FrameStackModel::FrameItem f;
             f.nr = frame[QStringLiteral("level")].toInt();
             f.name = getFunctionOrAddress(frame);
             QPair<QString, int> loc = getSource(frame);
             f.file = QUrl::fromLocalFile(loc.first).adjusted(QUrl::NormalizePathSegments);
             f.line = loc.second;
             frames << f;
         }
         bool hasMore = false;
         if (!frames.isEmpty()) {
             if (frames.last().nr == m_to+1) {
                 frames.removeLast();
                 hasMore = true;
             }
         }
         if (first == 0) {
             model->setFrames(m_thread, frames);
         } else {
             model->insertFrames(m_thread, frames);
         }
         model->setHasMoreFrames(m_thread, hasMore);
     }
 private:
     MIFrameStackModel* model;
     int m_thread;
     int m_to;
 };
 
 void MIFrameStackModel::fetchFrames(int threadNumber, int from, int to)
 {
     //to+1 so we know if there are more
     QString arg = QStringLiteral("%1 %2").arg(from).arg(to+1);
     auto c = session()->createCommand(StackListFrames, arg);
     c->setHandler(new FrameListHandler(this, threadNumber, to));
     c->setThread(threadNumber);
     session()->addCommand(std::move(c));
 }
 
 #include "moc_miframestackmodel.cpp"