Debugger: Fix build with Qt6

QStringRef gone.
ViewOptions changed.
MetaType register stream operators automatically.

Task-number: QTCREATORBUG-24098
Change-Id: Ibf98561af951aa5fc4ec483d18dafeaad02e07c3
Reviewed-by: hjk <hjk@qt.io>

14 files changed, 59 insertions, 47 deletions

diff --git a/src/plugins/debugger/breakpoint.cpp b/src/plugins/debugger/breakpoint.cpp
index 65462c92dc..998746302e 100644
--- a/src/plugins/debugger/breakpoint.cpp
+++ b/src/plugins/debugger/breakpoint.cpp
@@ -137,7 +137,7 @@ void BreakpointParameters::updateLocation(const QString &location)
 {
     if (!location.isEmpty()) {
         int pos = location.indexOf(':');
-        lineNumber = location.midRef(pos + 1).toInt();
+        lineNumber = location.mid(pos + 1).toInt();
         QString file = location.left(pos);
         if (file.startsWith('"') && file.endsWith('"'))
             file = file.mid(1, file.size() - 2);
@@ -156,9 +156,9 @@ bool BreakpointParameters::isQmlFileAndLineBreakpoint() const
     if (qmlExtensionString.isEmpty())
         qmlExtensionString = ".qml;.js";
 
-    const auto qmlFileExtensions = qmlExtensionString.splitRef(';', Qt::SkipEmptyParts);
+    const auto qmlFileExtensions = qmlExtensionString.split(';', Qt::SkipEmptyParts);
     const QString file = fileName.toString();
-    for (const QStringRef &extension : qmlFileExtensions) {
+    for (const QString &extension : qmlFileExtensions) {
         if (file.endsWith(extension, Qt::CaseInsensitive))
             return true;
     }
@@ -347,7 +347,7 @@ void BreakpointParameters::updateFromGdbOutput(const GdbMi &bkpt)
                 QString what = bkpt["what"].data();
                 if (what.startsWith("*0x")) {
                     type = WatchpointAtAddress;
-                    address = what.midRef(1).toULongLong(nullptr, 0);
+                    address = what.mid(1).toULongLong(nullptr, 0);
                 } else {
                     type = WatchpointAtExpression;
                     expression = what;
diff --git a/src/plugins/debugger/cdb/cdbengine.cpp b/src/plugins/debugger/cdb/cdbengine.cpp
index e4f41b0e4c..e35179dc01 100644
--- a/src/plugins/debugger/cdb/cdbengine.cpp
+++ b/src/plugins/debugger/cdb/cdbengine.cpp
@@ -1026,20 +1026,19 @@ void CdbEngine::runCommand(const DebuggerCommand &dbgCmd)
             // Post an extension command producing one-line output with a callback,
             // pass along token for identification in hash.
             const QString prefix = m_extensionCommandPrefix + dbgCmd.function;
-            QList<QStringRef> splittedArguments;
             if (dbgCmd.args.isString()) {
                 const QString &arguments = dbgCmd.argsToString();
                 cmd = prefix + arguments;
                 int argumentSplitPos = 0;
-                QList<QStringRef> splittedArguments;
+                QList<QStringView> splittedArguments;
                 int maxArgumentSize = maxCommandLength - prefix.length() - maxTokenLength;
                 while (argumentSplitPos < arguments.size()) {
-                    splittedArguments << arguments.midRef(argumentSplitPos, maxArgumentSize);
+                    splittedArguments << Utils::midView(arguments, argumentSplitPos, maxArgumentSize);
                     argumentSplitPos += splittedArguments.last().length();
                 }
                 QTC_CHECK(argumentSplitPos == arguments.size());
                 int tokenPart = splittedArguments.size();
-                for (const QStringRef &part : qAsConst(splittedArguments))
+                for (const QStringView &part : qAsConst(splittedArguments))
                     str << prefix << " -t " << token << '.' << --tokenPart << ' ' << part << '\n';
             } else {
                 cmd = prefix;
@@ -1961,8 +1960,8 @@ void CdbEngine::ensureUsing32BitStackInWow64(const DebuggerResponse &response, c
 {
     // Parsing the header of the stack output to check which bitness
     // the cdb is currently using.
-    const QVector<QStringRef> lines = response.data.data().splitRef('\n');
-    for (const QStringRef &line : lines) {
+    const QStringList lines = response.data.data().split('\n');
+    for (const QString &line : lines) {
         if (!line.startsWith("Child"))
             continue;
         if (line.startsWith("ChildEBP")) {
@@ -2238,7 +2237,7 @@ static inline bool checkCommandToken(const QString &tokenPrefix, const QString &
     if (!c.startsWith(tokenPrefix))
         return false;
     bool ok;
-    *token = c.midRef(tokenPrefixSize, size - tokenPrefixSize - 1).toInt(&ok);
+    *token = c.mid(tokenPrefixSize, size - tokenPrefixSize - 1).toInt(&ok);
     return ok;
 }
 
@@ -2259,19 +2258,21 @@ void CdbEngine::parseOutputLine(QString line)
         const int tokenPos = creatorExtPrefix.size() + 2;
         const int tokenEndPos = line.indexOf('|', tokenPos);
         QTC_ASSERT(tokenEndPos != -1, return);
-        const int token = line.midRef(tokenPos, tokenEndPos - tokenPos).toInt();
+        const int token = line.mid(tokenPos, tokenEndPos - tokenPos).toInt();
         // remainingChunks
         const int remainingChunksPos = tokenEndPos + 1;
         const int remainingChunksEndPos = line.indexOf('|', remainingChunksPos);
         QTC_ASSERT(remainingChunksEndPos != -1, return);
-        const int remainingChunks = line.midRef(remainingChunksPos, remainingChunksEndPos - remainingChunksPos).toInt();
+        const int remainingChunks = line.mid(remainingChunksPos,
+                                             remainingChunksEndPos - remainingChunksPos)
+                                        .toInt();
         // const char 'serviceName'
         const int whatPos = remainingChunksEndPos + 1;
         const int whatEndPos = line.indexOf('|', whatPos);
         QTC_ASSERT(whatEndPos != -1, return);
         const QString what = line.mid(whatPos, whatEndPos - whatPos);
         // Build up buffer, call handler once last chunk was encountered
-        m_extensionMessageBuffer += line.midRef(whatEndPos + 1);
+        m_extensionMessageBuffer += line.mid(whatEndPos + 1);
         if (remainingChunks == 0) {
             handleExtensionMessage(type, token, what, m_extensionMessageBuffer);
             m_extensionMessageBuffer.clear();
@@ -2742,7 +2743,7 @@ void CdbEngine::setupScripting(const DebuggerResponse &response)
 
     const QString &verOutput = data.childAt(0).data();
     const QString firstToken = verOutput.split(' ').constFirst();
-    const QVector<QStringRef> pythonVersion = firstToken.splitRef('.');
+    const QStringList pythonVersion = firstToken.split('.');
 
     bool ok = false;
     if (pythonVersion.size() == 3) {
@@ -2849,7 +2850,7 @@ void CdbEngine::handleWidgetAt(const DebuggerResponse &response)
             break;
         }
         // 0x000 -> nothing found
-        if (!watchExp.midRef(sepPos + 1).toULongLong(nullptr, 0)) {
+        if (!watchExp.mid(sepPos + 1).toULongLong(nullptr, 0)) {
             message = QString("No widget could be found at %1, %2.").arg(m_watchPointX).arg(m_watchPointY);
             break;
         }
diff --git a/src/plugins/debugger/cdb/stringinputstream.h b/src/plugins/debugger/cdb/stringinputstream.h
index 21f4ccd14e..2d4e22413f 100644
--- a/src/plugins/debugger/cdb/stringinputstream.h
+++ b/src/plugins/debugger/cdb/stringinputstream.h
@@ -42,7 +42,11 @@ public:
     StringInputStream &operator<<(char a)              { m_target.append(a); return *this; }
     StringInputStream &operator<<(const char *a)       { m_target.append(QString::fromUtf8(a)); return *this; }
     StringInputStream &operator<<(const QString &a)    { m_target.append(a); return *this; }
-    StringInputStream &operator<<(const QStringRef &a) { m_target.append(a); return *this; }
+    StringInputStream &operator<<(const QStringView &a)
+    {
+        m_target.append(a.toString());
+        return *this;
+    }
 
     StringInputStream &operator<<(int i) { appendInt(i); return *this; }
     StringInputStream &operator<<(unsigned i) { appendInt(i); return *this; }
diff --git a/src/plugins/debugger/console/consoleview.cpp b/src/plugins/debugger/console/consoleview.cpp
index 13115cb43b..ad54b2d4b1 100644
--- a/src/plugins/debugger/console/consoleview.cpp
+++ b/src/plugins/debugger/console/consoleview.cpp
@@ -104,8 +104,13 @@ void ConsoleView::mousePressEvent(QMouseEvent *event)
         bool handled = false;
         if (type == ConsoleItem::DefaultType) {
             bool showTypeIcon = index.parent() == QModelIndex();
-            ConsoleItemPositions positions(m_model, visualRect(index), viewOptions().font, showTypeIcon,
-                                           true);
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+            const QStyleOptionViewItem option = viewOptions();
+#else
+            QStyleOptionViewItem option;
+            initViewItemOption(&option);
+#endif
+            ConsoleItemPositions positions(m_model, visualRect(index), option.font, showTypeIcon, true);
 
             if (positions.expandCollapseIcon().contains(pos)) {
                 if (isExpanded(index))
diff --git a/src/plugins/debugger/debuggerplugin.cpp b/src/plugins/debugger/debuggerplugin.cpp
index d959747d27..3a49da4a20 100644
--- a/src/plugins/debugger/debuggerplugin.cpp
+++ b/src/plugins/debugger/debuggerplugin.cpp
@@ -2128,7 +2128,9 @@ DebuggerPlugin::DebuggerPlugin()
     m_instance = this;
 
     qRegisterMetaType<PerspectiveState>("Utils::PerspectiveState");
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     qRegisterMetaTypeStreamOperators<PerspectiveState>("Utils::PerspectiveState");
+#endif
 }
 
 DebuggerPlugin::~DebuggerPlugin()
diff --git a/src/plugins/debugger/debuggerprotocol.cpp b/src/plugins/debugger/debuggerprotocol.cpp
index cc29c5f824..71f9f4233d 100644
--- a/src/plugins/debugger/debuggerprotocol.cpp
+++ b/src/plugins/debugger/debuggerprotocol.cpp
@@ -657,7 +657,7 @@ QString decodeData(const QString &ba, const QString &encoding)
         case DebuggerEncoding::JulianDateAndMillisecondsSinceMidnight: {
             const int p = ba.indexOf('/');
             const QDate date = dateFromData(ba.left(p).toInt());
-            const QTime time = timeFromData(ba.midRef(p + 1 ).toInt());
+            const QTime time = timeFromData(ba.mid(p + 1).toInt());
             const QDateTime dateTime = QDateTime(date, time);
             return dateTime.isValid() ? dateTime.toString(Qt::TextDate) : "(invalid)";
         }
@@ -698,15 +698,15 @@ QString decodeData(const QString &ba, const QString &encoding)
 
             qint64 msecs = ba.left(p0).toLongLong();
             ++p0;
-            Qt::TimeSpec spec = Qt::TimeSpec(ba.midRef(p0, p1 - p0).toInt());
+            Qt::TimeSpec spec = Qt::TimeSpec(ba.mid(p0, p1 - p0).toInt());
             ++p1;
-            qulonglong offset = ba.midRef(p1, p2 - p1).toInt();
+            qulonglong offset = ba.mid(p1, p2 - p1).toInt();
             ++p2;
             QByteArray timeZoneId = QByteArray::fromHex(ba.mid(p2, p3 - p2).toUtf8());
             ++p3;
-            int status = ba.midRef(p3, p4 - p3).toInt();
+            int status = ba.mid(p3, p4 - p3).toInt();
             ++p4;
-            int tiVersion = ba.midRef(p4).toInt();
+            int tiVersion = ba.mid(p4).toInt();
 
             QDate date;
             QTime time;
@@ -861,9 +861,9 @@ QString DebuggerCommand::argsToString() const
 
 DebuggerEncoding::DebuggerEncoding(const QString &data)
 {
-    const QVector<QStringRef> l = data.splitRef(':');
+    const QStringList l = data.split(':');
 
-    const QStringRef &t = l.at(0);
+    const QString &t = l.at(0);
     if (t == "latin1") {
         type = HexEncodedLatin1;
         size = 1;
diff --git a/src/plugins/debugger/debuggertooltipmanager.cpp b/src/plugins/debugger/debuggertooltipmanager.cpp
index 6accc57980..d439b4d0d4 100644
--- a/src/plugins/debugger/debuggertooltipmanager.cpp
+++ b/src/plugins/debugger/debuggertooltipmanager.cpp
@@ -940,9 +940,9 @@ void DebuggerToolTipHolder::positionShow(const TextEditorWidget *editorWidget)
 //// Parse a 'yyyyMMdd' date
 static QDate dateFromString(const QString &date)
 {
-    return date.size() == 8 ?
-        QDate(date.leftRef(4).toInt(), date.midRef(4, 2).toInt(), date.midRef(6, 2).toInt()) :
-        QDate();
+    return date.size() == 8
+               ? QDate(date.left(4).toInt(), date.mid(4, 2).toInt(), date.mid(6, 2).toInt())
+               : QDate();
 }
 
 void DebuggerToolTipHolder::saveSessionData(QXmlStreamWriter &w) const
diff --git a/src/plugins/debugger/disassemblerlines.cpp b/src/plugins/debugger/disassemblerlines.cpp
index 60665fa5e4..cd56551837 100644
--- a/src/plugins/debugger/disassemblerlines.cpp
+++ b/src/plugins/debugger/disassemblerlines.cpp
@@ -46,7 +46,7 @@ void DisassemblerLine::fromString(const QString &unparsed)
 
     // Mac gdb has an overflow reporting 64bit addresses causing the instruction
     // to follow the last digit "0x000000013fff4810mov 1,1". Truncate here.
-    if (pos > 19 && unparsed.midRef(3, 16).toULongLong())
+    if (pos > 19 && unparsed.mid(3, 16).toULongLong())
         pos = 19;
 
     QString addr = unparsed.left(pos);
@@ -190,7 +190,7 @@ void DisassemblerLines::appendUnparsed(const QString &unparsed)
             }
             dl.address = address.left(pos1 - 1).toULongLong(nullptr, 0);
             dl.function = m_lastFunction;
-            dl.offset = address.midRef(pos2).toUInt();
+            dl.offset = address.mid(pos2).toUInt();
         } else {
             // Plain data like "0x0000cd64:\tadd\tlr, pc, lr\n"
             dl.address = address.toULongLong(nullptr, 0);
diff --git a/src/plugins/debugger/gdb/gdbengine.cpp b/src/plugins/debugger/gdb/gdbengine.cpp
index 65c343f358..2c33bb2137 100644
--- a/src/plugins/debugger/gdb/gdbengine.cpp
+++ b/src/plugins/debugger/gdb/gdbengine.cpp
@@ -178,7 +178,7 @@ static QString msgWinException(const QString &data, unsigned *exCodeIn = nullptr
     const int addressPos = blankPos != -1 ? data.indexOf("0x", blankPos + 1) : -1;
     if (addressPos < 0)
         return GdbEngine::tr("An exception was triggered.");
-    const unsigned exCode = data.midRef(exCodePos, blankPos - exCodePos).toUInt(nullptr, 0);
+    const unsigned exCode = data.mid(exCodePos, blankPos - exCodePos).toUInt(nullptr, 0);
     if (exCodeIn)
         *exCodeIn = exCode;
     const quint64 address = data.mid(addressPos).trimmed().toULongLong(nullptr, 0);
@@ -1388,7 +1388,7 @@ void GdbEngine::handleStop2(const GdbMi &data)
         const GdbMi wpt = data["wpt"];
         const QString rid = wpt["number"].data();
         const Breakpoint bp = breakHandler()->findBreakpointByResponseId(rid);
-        const quint64 bpAddress = wpt["exp"].data().midRef(1).toULongLong(nullptr, 0);
+        const quint64 bpAddress = wpt["exp"].data().mid(1).toULongLong(nullptr, 0);
         QString msg;
         if (bp) {
             if (bp->type() == WatchpointAtExpression)
@@ -2149,7 +2149,7 @@ void GdbEngine::handleWatchInsert(const DebuggerResponse &response, const Breakp
             bp->setResponseId(wpt["number"].data());
             QString exp = wpt["exp"].data();
             if (exp.startsWith('*'))
-                bp->setAddress(exp.midRef(1).toULongLong(nullptr, 0));
+                bp->setAddress(exp.mid(1).toULongLong(nullptr, 0));
             QTC_CHECK(!bp->needsChange());
             notifyBreakpointInsertOk(bp);
         } else if (ba.startsWith("Hardware watchpoint ")
@@ -2160,7 +2160,7 @@ void GdbEngine::handleWatchInsert(const DebuggerResponse &response, const Breakp
             const QString address = ba.mid(end + 2).trimmed();
             bp->setResponseId(ba.mid(begin, end - begin));
             if (address.startsWith('*'))
-                bp->setAddress(address.midRef(1).toULongLong(nullptr, 0));
+                bp->setAddress(address.mid(1).toULongLong(nullptr, 0));
             QTC_CHECK(!bp->needsChange());
             notifyBreakpointInsertOk(bp);
         } else {
@@ -3189,14 +3189,14 @@ void GdbEngine::handleRegisterListing(const DebuggerResponse &response)
     m_registers.clear();
     QStringList lines = response.consoleStreamOutput.split('\n');
     for (int i = 1; i < lines.size(); ++i) {
-        const QVector<QStringRef> parts = lines.at(i).splitRef(' ', Qt::SkipEmptyParts);
+        const QStringList parts = lines.at(i).split(' ', Qt::SkipEmptyParts);
         if (parts.size() < 7)
             continue;
         int gdbRegisterNumber = parts.at(1).toInt();
         Register reg;
-        reg.name = parts.at(0).toString();
+        reg.name = parts.at(0);
         reg.size = parts.at(4).toInt();
-        reg.reportedType = parts.at(5).toString();
+        reg.reportedType = parts.at(5);
         m_registers[gdbRegisterNumber] = reg;
     }
 }
@@ -3587,7 +3587,7 @@ void GdbEngine::setupEngine()
     }
 
     const QString tests = QString::fromLocal8Bit(qgetenv("QTC_DEBUGGER_TESTS"));
-    foreach (const QStringRef &test, tests.splitRef(','))
+    foreach (const QString &test, tests.split(','))
         m_testCases.insert(test.toInt());
     foreach (int test, m_testCases)
         showMessage("ENABLING TEST CASE: " + QString::number(test));
diff --git a/src/plugins/debugger/logwindow.cpp b/src/plugins/debugger/logwindow.cpp
index be869585a5..37b5ed7c93 100644
--- a/src/plugins/debugger/logwindow.cpp
+++ b/src/plugins/debugger/logwindow.cpp
@@ -536,14 +536,14 @@ void LogWindow::showOutput(int channel, const QString &output)
         const int npos = output.indexOf(nchar, pos);
         const int nnpos = npos == -1 ? n : npos;
         const int l = nnpos - pos;
-        if (l != 6 || output.midRef(pos, 6) != "(gdb) ")  {
+        if (l != 6 || QStringView(output).mid(pos, 6) != QLatin1String("(gdb) ")) {
             out.append(cchar);
             if (l > 30000) {
                 // FIXME: QTextEdit asserts on really long lines...
-                out.append(output.midRef(pos, 30000));
+                out.append(output.mid(pos, 30000));
                 out.append(" [...] <cut off>\n");
             } else {
-                out.append(output.midRef(pos, l + 1));
+                out.append(output.mid(pos, l + 1));
             }
         }
         pos = nnpos + 1;
diff --git a/src/plugins/debugger/pdb/pdbengine.cpp b/src/plugins/debugger/pdb/pdbengine.cpp
index 0970ffceba..721d255e78 100644
--- a/src/plugins/debugger/pdb/pdbengine.cpp
+++ b/src/plugins/debugger/pdb/pdbengine.cpp
@@ -499,7 +499,7 @@ void PdbEngine::handleOutput2(const QString &data)
             QTC_ASSERT(pos2 != -1, continue);
             const Utils::FilePath fileName = Utils::FilePath::fromString(
                 line.mid(pos1 + 4, pos2 - pos1 - 4));
-            const int lineNumber = line.midRef(pos2 + 1).toInt();
+            const int lineNumber = line.mid(pos2 + 1).toInt();
             const Breakpoint bp = Utils::findOrDefault(breakHandler()->breakpoints(), [&](const Breakpoint &bp) {
                 return bp->parameters().isLocatedAt(fileName, lineNumber, bp->markerFileName())
                     || bp->requestedParameters().isLocatedAt(fileName, lineNumber, bp->markerFileName());
diff --git a/src/plugins/debugger/qml/qmlinspectoragent.cpp b/src/plugins/debugger/qml/qmlinspectoragent.cpp
index 4558c7fdd0..35656bef0b 100644
--- a/src/plugins/debugger/qml/qmlinspectoragent.cpp
+++ b/src/plugins/debugger/qml/qmlinspectoragent.cpp
@@ -440,7 +440,7 @@ void QmlInspectorAgent::verifyAndInsertObjectInTree(const ObjectReference &objec
             const int firstIndex = int(strlen("inspect"));
             const int secondIndex = iname.indexOf('.', firstIndex + 1);
             if (secondIndex != -1)
-                engineId = iname.midRef(firstIndex + 1, secondIndex - firstIndex - 1).toInt();
+                engineId = iname.mid(firstIndex + 1, secondIndex - firstIndex - 1).toInt();
         }
 
         // Still not found? Maybe we're loading the engine itself.
@@ -465,7 +465,7 @@ void QmlInspectorAgent::verifyAndInsertObjectInTree(const ObjectReference &objec
             int lastIndex = iname.lastIndexOf('.');
             int secondLastIndex = iname.lastIndexOf('.', lastIndex - 1);
             if (secondLastIndex != WatchItem::InvalidId)
-                parentId = iname.midRef(secondLastIndex + 1, lastIndex - secondLastIndex - 1).toInt();
+                parentId = iname.mid(secondLastIndex + 1, lastIndex - secondLastIndex - 1).toInt();
             else
                 parentId = engineId;
         } else {
diff --git a/src/plugins/debugger/sourceutils.cpp b/src/plugins/debugger/sourceutils.cpp
index 155068a3dc..a492bb8308 100644
--- a/src/plugins/debugger/sourceutils.cpp
+++ b/src/plugins/debugger/sourceutils.cpp
@@ -325,7 +325,7 @@ ContextData getLocationContext(TextDocument *document, int lineNumber)
             if (!fileName.isEmpty()) {
                 // Possibly one of the  "27 [1] foo = x" lines
                 int pos = line.indexOf('[');
-                int ln = line.leftRef(pos - 1).toInt();
+                int ln = line.left(pos - 1).toInt();
                 if (ln > 0) {
                     data.type = LocationByFile;
                     data.fileName = Utils::FilePath::fromString(fileName);
diff --git a/src/plugins/debugger/watchhandler.cpp b/src/plugins/debugger/watchhandler.cpp
index c34ff28785..193842ed97 100644
--- a/src/plugins/debugger/watchhandler.cpp
+++ b/src/plugins/debugger/watchhandler.cpp
@@ -2685,7 +2685,7 @@ void WatchHandler::addDumpers(const GdbMi &dumpers)
         DisplayFormats formats;
         formats.append(RawFormat);
         QString reportedFormats = dumper["formats"].data();
-        foreach (const QStringRef &format, reportedFormats.splitRef(',')) {
+        foreach (const QString &format, reportedFormats.split(',')) {
             if (int f = format.toInt())
                 formats.append(DisplayFormat(f));
         }