C++ GdbMi类代码示例

void LldbEngine::updateBreakpointData(const GdbMi &bkpt, bool added)
{
    BreakHandler *handler = breakHandler();
    BreakpointResponseId rid = BreakpointResponseId(bkpt["lldbid"].data());
    BreakpointModelId id = BreakpointModelId(bkpt["modelid"].data());
    Breakpoint bp = handler->breakpointById(id);
    if (!bp.isValid())
        bp = handler->findBreakpointByResponseId(rid);
    BreakpointResponse response = bp.response();
    if (added)
        response.id = rid;
    QTC_CHECK(response.id == rid);
    response.address = 0;
    response.enabled = bkpt["enabled"].toInt();
    response.ignoreCount = bkpt["ignorecount"].toInt();
    response.condition = QByteArray::fromHex(bkpt["condition"].data());
    response.hitCount = bkpt["hitcount"].toInt();
    response.fileName = bkpt["file"].toUtf8();
    response.lineNumber = bkpt["line"].toInt();

    GdbMi locations = bkpt["locations"];
    const int numChild = int(locations.children().size());
    if (numChild > 1) {
        foreach (const GdbMi &location, locations.children()) {
            const int locid = location["locid"].toInt();
            BreakpointResponse sub;
            sub.id = BreakpointResponseId(rid.majorPart(), locid);
            sub.type = response.type;
            sub.address = location["addr"].toAddress();
            sub.functionName = location["func"].toUtf8();
            sub.fileName = location["file"].toUtf8();
            sub.lineNumber = location["line"].toInt();
            bp.insertSubBreakpoint(sub);
        }
    } else if (numChild == 1) {

void TermGdbAdapter::handleEntryPoint(const GdbResponse &response)
{
    if (response.resultClass == GdbResultDone) {
        GdbMi stack = response.data.findChild("stack");
        if (stack.isValid() && stack.childCount() == 1)
            m_engine->m_entryPoint = stack.childAt(0).findChild("addr").data();
    }
}

// Helper to retrieve an bool child from GDBMI
static inline bool gdbmiChildToBool(const GdbMi &parent, const char *childName, bool *target)
{
    const GdbMi childBA = parent[childName];
    if (childBA.isValid()) {
        *target = childBA.data() == "true";
        return true;
    }
    return false;
}

inline ModelId cdbIdToBreakpointId(const GdbMi &data)
{
    if (data.isValid()) { // Might not be valid if there is not id
        bool ok;
        const int id = data.data().toInt(&ok);
        if (ok)
            return cdbIdToBreakpointId<ModelId>(id);
    }
    return ModelId();
}

void LldbEngine::handleContinuation(const GdbMi &data)
{
    if (data.data() == "updateLocals") {
        updateLocals();
    } else if (data.data() == "updateAll") {
        updateAll();
    } else {
        QTC_ASSERT(false, qDebug() << "Unknown continuation: " << data.data());
    }
}

void LldbEngine::handleResponse(const QByteArray &response)
{
    GdbMi all;
    all.fromStringMultiple(response);

    foreach (const GdbMi &item, all.children()) {
        const QByteArray name = item.name();
        if (name == "all") {
            updateLocalsView(item);
            watchHandler()->notifyUpdateFinished();
        } else if (name == "dumpers") {
            watchHandler()->addDumpers(item);
            setupInferiorStage2();
        } else if (name == "stack")
            refreshStack(item);
        else if (name == "registers")
            refreshRegisters(item);
        else if (name == "threads")
            refreshThreads(item);
        else if (name == "current-thread")
            refreshCurrentThread(item);
        else if (name == "typeinfo")
            refreshTypeInfo(item);
        else if (name == "state")
            refreshState(item);
        else if (name == "location")
            refreshLocation(item);
        else if (name == "modules")
            refreshModules(item);
        else if (name == "symbols")
            refreshSymbols(item);
        else if (name == "breakpoint-added")
            refreshAddedBreakpoint(item);
        else if (name == "breakpoint-changed")
            refreshChangedBreakpoint(item);
        else if (name == "breakpoint-removed")
            refreshRemovedBreakpoint(item);
        else if (name == "output")
            refreshOutput(item);
        else if (name == "disassembly")
            refreshDisassembly(item);
        else if (name == "memory")
            refreshMemory(item);
        else if (name == "full-backtrace")
            showFullBacktrace(item);
        else if (name == "continuation")
            handleContinuation(item);
        else if (name == "statusmessage") {
            QString msg = QString::fromUtf8(item.data());
            if (msg.size())
                msg[0] = msg.at(0).toUpper();
            showStatusMessage(msg);
        }
    }
}

// Helper to retrieve an int child from GDBMI
static inline bool gdbmiChildToInt(const GdbMi &parent, const char *childName, int *target)
{
    const GdbMi childBA = parent[childName];
    if (childBA.isValid()) {
        bool ok;
        const int v = childBA.data().toInt(&ok);
        if (ok) {
            *target = v;
            return  true;
        }
    }
    return false;
}

void PdbEngine::handleListSymbols(const PdbResponse &response)
{
    GdbMi out;
    out.fromString(response.data.trimmed());
    Symbols symbols;
    QString moduleName = response.cookie.toString();
    foreach (const GdbMi &item, out.children()) {
        Symbol symbol;
        symbol.name = _(item.findChild("name").data());
        symbols.append(symbol);
    }
   debuggerCore()->showModuleSymbols(moduleName, symbols);
}

void WatchItem::parse(const GdbMi &data)
{
    iname = data["iname"].data();

    GdbMi wname = data["wname"];
    if (wname.isValid()) // Happens (only) for watched expressions.
        name = QString::fromUtf8(QByteArray::fromHex(wname.data()));
    else
        name = QString::fromLatin1(data["name"].data());

    parseHelper(data);

    if (wname.isValid())
        exp = name.toUtf8();
}

void ThreadsHandler::updateThreads(const GdbMi &data)
{
    // ^done,threads=[{id="1",target-id="Thread 0xb7fdc710 (LWP 4264)",
    // frame={level="0",addr="0x080530bf",func="testQString",args=[],
    // file="/.../app.cpp",fullname="/../app.cpp",line="1175"},
    // state="stopped",core="0"}],current-thread-id="1"

    // Emit changed for previous frame.
    if (m_currentIndex != -1) {
        dataChanged(m_currentIndex);
        m_currentIndex = -1;
    }

    ThreadId currentId;
    const GdbMi current = data["current-thread-id"];
    if (current.isValid())
        currentId = ThreadId(current.data().toLongLong());

    const QList<GdbMi> items = data["threads"].children();
    const int n = items.size();
    for (int index = 0; index != n; ++index) {
        const GdbMi item = items.at(index);
        const GdbMi frame = item["frame"];
        ThreadData thread;
        thread.id = ThreadId(item["id"].toInt());
        thread.targetId = item["target-id"].toLatin1();
        thread.details = item["details"].toLatin1();
        thread.core = item["core"].toLatin1();
        thread.state = item["state"].toLatin1();
        thread.address = frame["addr"].toAddress();
        thread.function = frame["func"].toLatin1();
        thread.fileName = frame["fullname"].toLatin1();
        thread.lineNumber = frame["line"].toInt();
        thread.module = QString::fromLocal8Bit(frame["from"].data());
        thread.stopped = true;
        thread.name = item["name"].toLatin1();
        if (thread.state == QLatin1String("running"))
            thread.stopped = false;
        if (thread.id == currentId)
            m_currentIndex = index;
        updateThread(thread);
    }

    if (m_currentIndex != -1)
        dataChanged(m_currentIndex);

    updateThreadBox();
}

void GdbMi::parseTuple_helper(const char *&from, const char *to)
{
    skipCommas(from, to);
    //qDebug() << "parseTuple_helper: " << QByteArray(from, to - from);
    m_type = Tuple;
    while (from < to) {
        if (*from == '}') {
            ++from;
            break;
        }
        GdbMi child;
        child.parseResultOrValue(from, to);
        //qDebug() << "\n=======\n" << qPrintable(child.toString()) << "\n========\n";
        if (!child.isValid())
            return;
        m_children += child;
        skipCommas(from, to);
    }
}

void PdbEngine::refreshState(const GdbMi &reportedState)
{
    QByteArray newState = reportedState.data();
    if (newState == "stopped") {
        notifyInferiorSpontaneousStop();
        updateAll();
    } else if (newState == "inferiorexited") {
        notifyInferiorExited();
    }
}

void GdbMi::parseList(const char *&from, const char *to)
{
    //qDebug() << "parseList: " << QByteArray(from, to - from);
    QTC_CHECK(*from == '[');
    ++from;
    m_type = List;
    skipCommas(from, to);
    while (from < to) {
        if (*from == ']') {
            ++from;
            break;
        }
        GdbMi child;
        child.parseResultOrValue(from, to);
        if (child.isValid())
            m_children += child;
        skipCommas(from, to);
    }
}

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);
}

void WinException::fromGdbMI(const GdbMi &gdbmi)
{
    exceptionCode = gdbmi["exceptionCode"].data().toUInt();
    exceptionFlags = gdbmi["exceptionFlags"].data().toUInt();
    exceptionAddress = gdbmi["exceptionAddress"].data().toULongLong();
    firstChance = gdbmi["firstChance"].data() != "0";
    const GdbMi ginfo1 = gdbmi["exceptionInformation0"];
    if (ginfo1.isValid()) {
        info1 = ginfo1.data().toULongLong();
        const GdbMi ginfo2  = gdbmi["exceptionInformation1"];
        if (ginfo2.isValid())
            info2 = ginfo1.data().toULongLong();
    }
    const GdbMi gLineNumber = gdbmi["exceptionLine"];
    if (gLineNumber.isValid()) {
        lineNumber = gLineNumber.toInt();
        file = gdbmi["exceptionFile"].data();
    }
    function = gdbmi["exceptionFunction"].data();
}