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/*
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"
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