Debugger: filepathify DiagnosticLocation

Change-Id: Ibbbf137231b313ec10e3d57c0230217b0c1e0a6c
Reviewed-by: hjk <hjk@qt.io>

19 files changed, 78 insertions, 70 deletions

diff --git a/src/libs/utils/fileutils.cpp b/src/libs/utils/fileutils.cpp
index 385581ee65..d0ab78eaab 100644
--- a/src/libs/utils/fileutils.cpp
+++ b/src/libs/utils/fileutils.cpp
@@ -1277,14 +1277,14 @@ FilePath FilePath::onDevice(const FilePath &deviceTemplate) const
     return res;
 }
 
-FilePath FilePath::pathAppended(const QString &str) const
+FilePath FilePath::pathAppended(const QString &path) const
 {
     FilePath fn = *this;
-    if (str.isEmpty())
+    if (path.isEmpty())
         return fn;
     if (!fn.m_data.isEmpty() && !fn.m_data.endsWith(QLatin1Char('/')))
         fn.m_data.append('/');
-    fn.m_data.append(str);
+    fn.m_data.append(path);
     return fn;
 }
 
diff --git a/src/plugins/clangtools/clangtool.cpp b/src/plugins/clangtools/clangtool.cpp
index 668031da21..53eb9b0ca9 100644
--- a/src/plugins/clangtools/clangtool.cpp
+++ b/src/plugins/clangtools/clangtool.cpp
@@ -209,7 +209,7 @@ public:
     ApplyFixIts(const QVector<DiagnosticItem *> &diagnosticItems)
     {
         for (DiagnosticItem *diagnosticItem : diagnosticItems) {
-            const QString &filePath = diagnosticItem->diagnostic().location.filePath;
+            const Utils::FilePath &filePath = diagnosticItem->diagnostic().location.filePath;
             QTC_ASSERT(!filePath.isEmpty(), continue);
 
             // Get or create refactoring file
@@ -245,14 +245,14 @@ public:
 
             const Debugger::DiagnosticLocation start = step.ranges.first();
             const Debugger::DiagnosticLocation end = step.ranges.last();
-            const int startPos = file.position(start.filePath, start.line, start.column);
-            const int endPos = file.position(start.filePath, end.line, end.column);
+            const int startPos = file.position(start.filePath.toString(), start.line, start.column);
+            const int endPos = file.position(start.filePath.toString(), end.line, end.column);
 
             auto op = new ReplacementOperation;
             op->pos = startPos;
             op->length = endPos - startPos;
             op->text = step.message;
-            op->fileName = start.filePath;
+            op->fileName = start.filePath.toString();
             op->apply = apply;
 
             replacements += op;
@@ -322,7 +322,7 @@ public:
     }
 
 private:
-    QMap<QString, RefactoringFileInfo> m_refactoringFileInfos;
+    QMap<Utils::FilePath, RefactoringFileInfo> m_refactoringFileInfos;
 };
 
 static FileInfos sortedFileInfos(const QVector<CppTools::ProjectPart::Ptr> &projectParts)
@@ -1119,7 +1119,7 @@ QSet<Diagnostic> ClangTool::diagnostics() const
 {
     return Utils::filtered(m_diagnosticModel->diagnostics(), [](const Diagnostic &diagnostic) {
         using CppTools::ProjectFile;
-        return ProjectFile::isSource(ProjectFile::classify(diagnostic.location.filePath));
+        return ProjectFile::isSource(ProjectFile::classify(diagnostic.location.filePath.toString()));
     });
 }
 
diff --git a/src/plugins/clangtools/clangtoolsdiagnosticmodel.cpp b/src/plugins/clangtools/clangtoolsdiagnosticmodel.cpp
index ca84875a3d..081f716bb9 100644
--- a/src/plugins/clangtools/clangtoolsdiagnosticmodel.cpp
+++ b/src/plugins/clangtools/clangtoolsdiagnosticmodel.cpp
@@ -47,7 +47,7 @@ static Q_LOGGING_CATEGORY(LOG, "qtc.clangtools.model", QtWarningMsg)
 namespace ClangTools {
 namespace Internal {
 
-FilePathItem::FilePathItem(const QString &filePath)
+FilePathItem::FilePathItem(const Utils::FilePath &filePath)
     : m_filePath(filePath)
 {}
 
@@ -56,11 +56,11 @@ QVariant FilePathItem::data(int column, int role) const
     if (column == DiagnosticView::DiagnosticColumn) {
         switch (role) {
         case Qt::DisplayRole:
-            return m_filePath;
+            return m_filePath.toUserOutput();
         case Qt::DecorationRole:
-            return Core::FileIconProvider::icon(QFileInfo(m_filePath));
+            return Core::FileIconProvider::icon(m_filePath.toFileInfo());
         case Debugger::DetailedErrorView::FullTextRole:
-            return m_filePath;
+            return m_filePath.toUserOutput();
         default:
             return QVariant();
         }
@@ -119,12 +119,12 @@ void ClangToolsDiagnosticModel::addDiagnostics(const Diagnostics &diagnostics, b
         }
 
         // Create file path item if necessary
-        const QString filePath = d.location.filePath;
+        const Utils::FilePath &filePath = d.location.filePath;
         FilePathItem *&filePathItem = m_filePathToItem[filePath];
         if (!filePathItem) {
             filePathItem = new FilePathItem(filePath);
             rootItem()->appendChild(filePathItem);
-            addWatchedPath(d.location.filePath);
+            addWatchedPath(filePath.toString());
         }
 
         // Add to file path item
@@ -184,7 +184,7 @@ void ClangToolsDiagnosticModel::clearAndSetupCache()
 void ClangToolsDiagnosticModel::onFileChanged(const QString &path)
 {
     forItemsAtLevel<2>([&](DiagnosticItem *item){
-        if (item->diagnostic().location.filePath == path)
+        if (item->diagnostic().location.filePath == Utils::FilePath::fromString(path))
             item->setFixItStatus(FixitStatus::Invalidated);
     });
     removeWatchedPath(path);
@@ -238,7 +238,7 @@ static QString createExplainingStepToolTipString(const ExplainingStep &step)
 
 static QString createLocationString(const Debugger::DiagnosticLocation &location)
 {
-    const QString filePath = location.filePath;
+    const QString filePath = location.filePath.toUserOutput();
     const QString lineNumber = QString::number(location.line);
     const QString fileAndLine = filePath + QLatin1Char(':') + lineNumber;
     return QLatin1String("in ") + fileAndLine;
@@ -262,7 +262,7 @@ static QString createExplainingStepString(const ExplainingStep &explainingStep,
 
 static QString fullText(const Diagnostic &diagnostic)
 {
-    QString text = diagnostic.location.filePath + QLatin1Char(':');
+    QString text = diagnostic.location.filePath.toUserOutput() + QLatin1Char(':');
     text += lineColumnString(diagnostic.location) + QLatin1String(": ");
     if (!diagnostic.category.isEmpty())
         text += diagnostic.category + QLatin1String(": ");
@@ -452,7 +452,9 @@ QVariant ExplainingStepItem::data(int column, int role) const
             return QVariant::fromValue(m_step.location);
         case Debugger::DetailedErrorView::FullTextRole: {
             return QString("%1:%2: %3")
-                .arg(m_step.location.filePath, lineColumnString(m_step.location), m_step.message);
+                .arg(m_step.location.filePath.toUserOutput(),
+                     lineColumnString(m_step.location),
+                     m_step.message);
         }
         case ClangToolsDiagnosticModel::TextRole:
             return m_step.message;
@@ -461,11 +463,12 @@ QVariant ExplainingStepItem::data(int column, int role) const
         case ClangToolsDiagnosticModel::DocumentationUrlRole:
             return parent()->data(column, role);
         case Qt::DisplayRole: {
-            const QString mainFilePath = static_cast<DiagnosticItem *>(parent())->diagnostic().location.filePath;
+            const Utils::FilePath mainFilePath
+                = static_cast<DiagnosticItem *>(parent())->diagnostic().location.filePath;
             const QString locationString
                 = m_step.location.filePath == mainFilePath
                       ? lineColumnString(m_step.location)
-                      : QString("%1:%2").arg(QFileInfo(m_step.location.filePath).fileName(),
+                      : QString("%1:%2").arg(m_step.location.filePath.fileName(),
                                              lineColumnString(m_step.location));
 
             if (m_step.isFixIt) {
@@ -645,10 +648,9 @@ bool DiagnosticFilterModel::filterAcceptsRow(int sourceRow, const QModelIndex &s
         foreach (const SuppressedDiagnostic &d, m_suppressedDiagnostics) {
             if (d.description != diag.description)
                 continue;
-            QString filePath = d.filePath.toString();
-            QFileInfo fi(filePath);
-            if (fi.isRelative())
-                filePath = m_lastProjectDirectory.toString() + QLatin1Char('/') + filePath;
+            Utils::FilePath filePath = d.filePath;
+            if (d.filePath.toFileInfo().isRelative())
+                filePath = m_lastProjectDirectory.pathAppended(filePath.toString());
             if (filePath == diag.location.filePath) {
                 diagnosticItem->setTextMarkVisible(false);
                 return false;
diff --git a/src/plugins/clangtools/clangtoolsdiagnosticmodel.h b/src/plugins/clangtools/clangtoolsdiagnosticmodel.h
index 095d893835..2acfe330fd 100644
--- a/src/plugins/clangtools/clangtoolsdiagnosticmodel.h
+++ b/src/plugins/clangtools/clangtoolsdiagnosticmodel.h
@@ -54,11 +54,11 @@ class ClangToolsDiagnosticModel;
 class FilePathItem : public Utils::TreeItem
 {
 public:
-    FilePathItem(const QString &filePath);
+    FilePathItem(const Utils::FilePath &filePath);
     QVariant data(int column, int role) const override;
 
 private:
-    const QString m_filePath;
+    const Utils::FilePath m_filePath;
 };
 
 class DiagnosticMark;
@@ -139,7 +139,7 @@ private:
     void clearAndSetupCache();
 
 private:
-    QHash<QString, FilePathItem *> m_filePathToItem;
+    QHash<Utils::FilePath, FilePathItem *> m_filePathToItem;
     QSet<Diagnostic> m_diagnostics;
     std::map<QVector<ExplainingStep>, QVector<DiagnosticItem *>> stepsToItemsCache;
     std::unique_ptr<QFileSystemWatcher> m_filesWatcher;
diff --git a/src/plugins/clangtools/clangtoolsdiagnosticview.cpp b/src/plugins/clangtools/clangtoolsdiagnosticview.cpp
index c73fc7e579..19f86632d0 100644
--- a/src/plugins/clangtools/clangtoolsdiagnosticview.cpp
+++ b/src/plugins/clangtools/clangtoolsdiagnosticview.cpp
@@ -222,7 +222,7 @@ void DiagnosticView::suppressCurrentDiagnostic()
             diags << diag;
             continue;
         }
-        Utils::FilePath filePath = Utils::FilePath::fromString(diag.location.filePath);
+        Utils::FilePath filePath = diag.location.filePath;
         const Utils::FilePath relativeFilePath
                 = filePath.relativeChildPath(project->projectDirectory());
         if (!relativeFilePath.isEmpty())
@@ -402,7 +402,7 @@ void DiagnosticView::openEditorForCurrentIndex()
     const QVariant v = model()->data(currentIndex(), Debugger::DetailedErrorView::LocationRole);
     const auto loc = v.value<Debugger::DiagnosticLocation>();
     if (loc.isValid())
-        Core::EditorManager::openEditorAt(loc.filePath, loc.line, loc.column - 1);
+        Core::EditorManager::openEditorAt(Utils::Link(loc.filePath, loc.line, loc.column - 1));
 }
 
 } // namespace Internal
diff --git a/src/plugins/clangtools/clangtoolslogfilereader.cpp b/src/plugins/clangtools/clangtoolslogfilereader.cpp
index 96ec0da16c..f74884d25a 100644
--- a/src/plugins/clangtools/clangtoolslogfilereader.cpp
+++ b/src/plugins/clangtools/clangtoolslogfilereader.cpp
@@ -155,16 +155,16 @@ public:
              int extraOffset = 0)
         : m_node(node)
         , m_fileCache(fileCache)
-        , m_filePath(QDir::cleanPath(asString(node["FilePath"])))
+        , m_filePath(Utils::FilePath::fromUserInput(asString(node["FilePath"])))
         , m_fileOffsetKey(fileOffsetKey)
         , m_extraOffset(extraOffset)
     {}
 
-    QString filePath() const { return m_filePath; }
+    Utils::FilePath filePath() const { return m_filePath; }
 
     Debugger::DiagnosticLocation toDiagnosticLocation() const
     {
-        FileCache::Item &cacheItem = m_fileCache.item(m_filePath);
+        FileCache::Item &cacheItem = m_fileCache.item(m_filePath.toString());
         const QByteArray fileContents = cacheItem.fileContents();
 
         const char *data = fileContents.data();
@@ -205,7 +205,7 @@ public:
 private:
     const YAML::Node &m_node;
     FileCache &m_fileCache;
-    QString m_filePath;
+    Utils::FilePath m_filePath;
     const char *m_fileOffsetKey = nullptr;
     int m_extraOffset = 0;
 };
@@ -232,10 +232,8 @@ Diagnostics readExportedDiagnostics(const Utils::FilePath &logFilePath,
             Location loc(node, fileCache);
             if (loc.filePath().isEmpty())
                 continue;
-            if (acceptFromFilePath
-                   && !acceptFromFilePath(Utils::FilePath::fromString(loc.filePath()))) {
+            if (acceptFromFilePath && !acceptFromFilePath(loc.filePath()))
                 continue;
-            }
 
             Diagnostic diag;
             diag.location = loc.toDiagnosticLocation();
diff --git a/src/plugins/clangtools/clangtoolsprojectsettings.cpp b/src/plugins/clangtools/clangtoolsprojectsettings.cpp
index 7cc68a9a87..2953245c3b 100644
--- a/src/plugins/clangtools/clangtoolsprojectsettings.cpp
+++ b/src/plugins/clangtools/clangtoolsprojectsettings.cpp
@@ -232,7 +232,7 @@ ClangToolsProjectSettings::ClangToolsProjectSettingsPtr
 }
 
 SuppressedDiagnostic::SuppressedDiagnostic(const Diagnostic &diag)
-    : filePath(Utils::FilePath::fromString(diag.location.filePath))
+    : filePath(diag.location.filePath)
     , description(diag.description)
     , uniquifier(diag.explainingSteps.count())
 {
diff --git a/src/plugins/clangtools/clangtoolsutils.cpp b/src/plugins/clangtools/clangtoolsutils.cpp
index 1e64403b67..5522fdbb4d 100644
--- a/src/plugins/clangtools/clangtoolsutils.cpp
+++ b/src/plugins/clangtools/clangtoolsutils.cpp
@@ -115,7 +115,7 @@ QString createDiagnosticToolTipString(
             if (!steps.second.isEmpty())
                 steps.second += "<br>";
             steps.second += QString("%1:%2: %3")
-                    .arg(step.location.filePath,
+                    .arg(step.location.filePath.toUserOutput(),
                          lineColumnString(step.location),
                          step.message);
         }
@@ -147,7 +147,7 @@ QString createDiagnosticToolTipString(
 
 QString createFullLocationString(const Debugger::DiagnosticLocation &location)
 {
-    return location.filePath + QLatin1Char(':') + QString::number(location.line)
+    return location.filePath.toUserOutput() + QLatin1Char(':') + QString::number(location.line)
             + QLatin1Char(':') + QString::number(location.column);
 }
 
diff --git a/src/plugins/clangtools/diagnosticconfigswidget.cpp b/src/plugins/clangtools/diagnosticconfigswidget.cpp
index a2c7e420b3..96196aa456 100644
--- a/src/plugins/clangtools/diagnosticconfigswidget.cpp
+++ b/src/plugins/clangtools/diagnosticconfigswidget.cpp
@@ -1162,8 +1162,8 @@ void disableChecks(const QList<Diagnostic> &diagnostics)
     Utils::Id activeConfigId = settings->runSettings().diagnosticConfigId();
     ClangToolsProjectSettings::ClangToolsProjectSettingsPtr projectSettings;
 
-    if (ProjectExplorer::Project *project = ProjectExplorer::SessionManager
-            ::projectForFile(Utils::FilePath::fromString(diagnostics.first().location.filePath))) {
+    if (ProjectExplorer::Project *project = ProjectExplorer::SessionManager::projectForFile(
+            diagnostics.first().location.filePath)) {
         projectSettings = ClangToolsProjectSettings::getSettings(project);
         if (!projectSettings->useGlobalSettings())
             activeConfigId = projectSettings->runSettings().diagnosticConfigId();
diff --git a/src/plugins/clangtools/diagnosticmark.cpp b/src/plugins/clangtools/diagnosticmark.cpp
index 68adec147e..0e29a1c731 100644
--- a/src/plugins/clangtools/diagnosticmark.cpp
+++ b/src/plugins/clangtools/diagnosticmark.cpp
@@ -39,7 +39,7 @@ namespace ClangTools {
 namespace Internal {
 
 DiagnosticMark::DiagnosticMark(const Diagnostic &diagnostic)
-    : TextEditor::TextMark(Utils::FilePath::fromString(diagnostic.location.filePath),
+    : TextEditor::TextMark(diagnostic.location.filePath,
                            diagnostic.location.line,
                            Utils::Id(Constants::DIAGNOSTIC_MARK_ID))
     , m_diagnostic(diagnostic)
diff --git a/src/plugins/clangtools/documentclangtoolrunner.cpp b/src/plugins/clangtools/documentclangtoolrunner.cpp
index 0651905f90..89d76e0f55 100644
--- a/src/plugins/clangtools/documentclangtoolrunner.cpp
+++ b/src/plugins/clangtools/documentclangtoolrunner.cpp
@@ -264,7 +264,7 @@ void DocumentClangToolRunner::runNext()
 
 static void updateLocation(Debugger::DiagnosticLocation &location)
 {
-    location.filePath = vfso().originalFilePath(Utils::FilePath::fromString(location.filePath)).toString();
+    location.filePath = vfso().originalFilePath(location.filePath);
 }
 
 void DocumentClangToolRunner::onSuccess()
@@ -364,10 +364,9 @@ bool DocumentClangToolRunner::isSuppressed(const Diagnostic &diagnostic) const
     auto equalsSuppressed = [this, &diagnostic](const SuppressedDiagnostic &suppressed) {
         if (suppressed.description != diagnostic.description)
             return false;
-        QString filePath = suppressed.filePath.toString();
-        QFileInfo fi(filePath);
-        if (fi.isRelative())
-            filePath = m_lastProjectDirectory.toString() + QLatin1Char('/') + filePath;
+        Utils::FilePath filePath = suppressed.filePath;
+        if (filePath.toFileInfo().isRelative())
+            filePath = m_lastProjectDirectory.pathAppended(filePath.toString());
         return filePath == diagnostic.location.filePath;
     };
     return Utils::anyOf(m_suppressed, equalsSuppressed);
diff --git a/src/plugins/clangtools/documentquickfixfactory.cpp b/src/plugins/clangtools/documentquickfixfactory.cpp
index 2a3dafe8e2..b1283b7f88 100644
--- a/src/plugins/clangtools/documentquickfixfactory.cpp
+++ b/src/plugins/clangtools/documentquickfixfactory.cpp
@@ -68,9 +68,10 @@ void ClangToolQuickFixOperation::perform()
     for (const ExplainingStep &step : m_diagnostic.explainingSteps) {
         if (!step.isFixIt)
             continue;
-        TextEditor::RefactoringFilePtr &refactoringFile = refactoringFiles[step.location.filePath];
+        TextEditor::RefactoringFilePtr &refactoringFile
+            = refactoringFiles[step.location.filePath.toString()];
         if (refactoringFile.isNull())
-            refactoringFile = changes.file(Utils::FilePath::fromString(step.location.filePath));
+            refactoringFile = changes.file(step.location.filePath);
         Utils::ChangeSet changeSet = refactoringFile->changeSet();
         Range range = toRange(refactoringFile->document(), {step.ranges.first(), step.ranges.last()});
         changeSet.replace(range, step.message);
diff --git a/src/plugins/cppcheck/cppcheckdiagnosticsmodel.cpp b/src/plugins/cppcheck/cppcheckdiagnosticsmodel.cpp
index a4c4000cb7..49bc745838 100644
--- a/src/plugins/cppcheck/cppcheckdiagnosticsmodel.cpp
+++ b/src/plugins/cppcheck/cppcheckdiagnosticsmodel.cpp
@@ -79,7 +79,7 @@ QVariant DiagnosticItem::data(int column, int role) const
     if (column == DiagnosticsModel::DiagnosticColumn) {
         switch (role) {
         case DetailedErrorView::LocationRole: {
-            const auto location = DiagnosticLocation(m_diagnostic.fileName.toString(),
+            const auto location = DiagnosticLocation(m_diagnostic.fileName,
                                                      m_diagnostic.lineNumber,
                                                      0);
             return QVariant::fromValue(location);
@@ -92,7 +92,7 @@ QVariant DiagnosticItem::data(int column, int role) const
             return getIcon(m_diagnostic.severity);
         case Debugger::DetailedErrorView::FullTextRole:
             return QString("%1:%2: %3")
-                .arg(m_diagnostic.fileName.toString())
+                .arg(m_diagnostic.fileName.toUserOutput())
                 .arg(m_diagnostic.lineNumber)
                 .arg(m_diagnostic.message);
         default:
diff --git a/src/plugins/cppcheck/cppcheckdiagnosticview.cpp b/src/plugins/cppcheck/cppcheckdiagnosticview.cpp
index 1f881e5330..2fda665305 100644
--- a/src/plugins/cppcheck/cppcheckdiagnosticview.cpp
+++ b/src/plugins/cppcheck/cppcheckdiagnosticview.cpp
@@ -103,7 +103,7 @@ void DiagnosticView::openEditorForCurrentIndex()
     const QVariant v = model()->data(currentIndex(), Debugger::DetailedErrorView::LocationRole);
     const auto loc = v.value<Debugger::DiagnosticLocation>();
     if (loc.isValid())
-        Core::EditorManager::openEditorAt(loc.filePath, loc.line, loc.column - 1);
+        Core::EditorManager::openEditorAt(Utils::Link(loc.filePath, loc.line, loc.column - 1));
 }
 
 void DiagnosticView::mouseDoubleClickEvent(QMouseEvent *event)
diff --git a/src/plugins/debugger/analyzer/detailederrorview.cpp b/src/plugins/debugger/analyzer/detailederrorview.cpp
index cdb5919535..a5fad37821 100644
--- a/src/plugins/debugger/analyzer/detailederrorview.cpp
+++ b/src/plugins/debugger/analyzer/detailederrorview.cpp
@@ -66,7 +66,7 @@ DetailedErrorView::DetailedErrorView(QWidget *parent) :
             const auto loc = index.model()->data(index, DetailedErrorView::LocationRole)
                     .value<DiagnosticLocation>();
             if (loc.isValid())
-                Core::EditorManager::openEditorAt(loc.filePath, loc.line, loc.column - 1);
+                Core::EditorManager::openEditorAt(Utils::Link(loc.filePath, loc.line, loc.column - 1));
         }
     });
 
@@ -123,12 +123,12 @@ QVariant DetailedErrorView::locationData(int role, const DiagnosticLocation &loc
         return QVariant::fromValue(location);
     case Qt::DisplayRole:
         return location.isValid() ? QString::fromLatin1("%1:%2:%3")
-                               .arg(QFileInfo(location.filePath).fileName())
+                               .arg(location.filePath.fileName())
                                .arg(location.line)
                                .arg(location.column)
                          : QString();
     case Qt::ToolTipRole:
-        return location.filePath.isEmpty() ? QVariant() : QVariant(location.filePath);
+        return location.filePath.isEmpty() ? QVariant() : QVariant(location.filePath.toUserOutput());
     case Qt::FontRole: {
         QFont font = QApplication::font();
         font.setUnderline(true);
diff --git a/src/plugins/debugger/analyzer/diagnosticlocation.cpp b/src/plugins/debugger/analyzer/diagnosticlocation.cpp
index 417edcab53..e1088e4da3 100644
--- a/src/plugins/debugger/analyzer/diagnosticlocation.cpp
+++ b/src/plugins/debugger/analyzer/diagnosticlocation.cpp
@@ -29,7 +29,7 @@ namespace Debugger {
 
 DiagnosticLocation::DiagnosticLocation() = default;
 
-DiagnosticLocation::DiagnosticLocation(const QString &filePath, int line, int column)
+DiagnosticLocation::DiagnosticLocation(const Utils::FilePath &filePath, int line, int column)
     : filePath(filePath), line(line), column(column)
 {
 }
diff --git a/src/plugins/debugger/analyzer/diagnosticlocation.h b/src/plugins/debugger/analyzer/diagnosticlocation.h
index 69b4ef091a..76459d7661 100644
--- a/src/plugins/debugger/analyzer/diagnosticlocation.h
+++ b/src/plugins/debugger/analyzer/diagnosticlocation.h
@@ -27,6 +27,8 @@
 
 #include <debugger/debugger_global.h>
 
+#include <utils/fileutils.h>
+
 #include <QDebug>
 #include <QMetaType>
 #include <QString>
@@ -37,11 +39,11 @@ class DEBUGGER_EXPORT DiagnosticLocation
 {
 public:
     DiagnosticLocation();
-    DiagnosticLocation(const QString &filePath, int line, int column);
+    DiagnosticLocation(const Utils::FilePath &filePath, int line, int column);
 
     bool isValid() const;
 
-    QString filePath;
+    Utils::FilePath filePath;
 
     // Both values start at 1.
     int line = 0;
diff --git a/src/plugins/valgrind/xmlprotocol/errorlistmodel.cpp b/src/plugins/valgrind/xmlprotocol/errorlistmodel.cpp
index 85e5a68ac4..a4d4234d07 100644
--- a/src/plugins/valgrind/xmlprotocol/errorlistmodel.cpp
+++ b/src/plugins/valgrind/xmlprotocol/errorlistmodel.cpp
@@ -175,7 +175,9 @@ ErrorItem::ErrorItem(const ErrorListModel *model, const Error &error)
 
 static QVariant locationData(int role, const Frame &frame)
 {
-    const Debugger::DiagnosticLocation location(frame.filePath(), frame.line(), 0);
+    const Debugger::DiagnosticLocation location(Utils::FilePath::fromString(frame.filePath()),
+                                                frame.line(),
+                                                0);
     return Debugger::DetailedErrorView::locationData(role, location);
 }
 
diff --git a/tests/unit/unittest/readexporteddiagnostics-test.cpp b/tests/unit/unittest/readexporteddiagnostics-test.cpp
index c4fe4572ae..a15191baf2 100644
--- a/tests/unit/unittest/readexporteddiagnostics-test.cpp
+++ b/tests/unit/unittest/readexporteddiagnostics-test.cpp
@@ -112,19 +112,21 @@ static QString appendYamlSuffix(const char *filePathFragment)
 
 TEST_F(ReadExportedDiagnostics, Tidy)
 {
-    const QString sourceFile = TESTDATA "tidy.modernize-use-nullptr.cpp";
+    const Utils::FilePath sourceFile = Utils::FilePath::fromString(
+        TESTDATA "tidy.modernize-use-nullptr.cpp");
     const QString exportedFile = createFile(appendYamlSuffix(TESTDATA "tidy.modernize-use-nullptr"),
-                                            sourceFile);
+                                            sourceFile.toString());
     Diagnostic expectedDiag;
     expectedDiag.name = "modernize-use-nullptr";
     expectedDiag.location = {sourceFile, 2, 25};
     expectedDiag.description = "use nullptr [modernize-use-nullptr]";
     expectedDiag.type = "warning";
     expectedDiag.hasFixits = true;
-    expectedDiag.explainingSteps = {ExplainingStep{"nullptr",
-                                                   expectedDiag.location,
-                                                   {expectedDiag.location, {sourceFile, 2, 26}},
-                                                   true}};
+    expectedDiag.explainingSteps = {
+        ExplainingStep{"nullptr",
+                       expectedDiag.location,
+                       {expectedDiag.location, {sourceFile, 2, 26}},
+                       true}};
 
     Diagnostics diags = readExportedDiagnostics(Utils::FilePath::fromString(exportedFile),
                                                 {},
@@ -151,9 +153,10 @@ TEST_F(ReadExportedDiagnostics, AcceptDiagsFromFilePaths_None)
 // Diagnostics from clang (static) analyzer passed through via clang-tidy
 TEST_F(ReadExportedDiagnostics, Tidy_ClangAnalyzer)
 {
-    const QString sourceFile = TESTDATA "clang-analyzer.dividezero.cpp";
+    const Utils::FilePath sourceFile = Utils::FilePath::fromString(TESTDATA
+                                                                   "clang-analyzer.dividezero.cpp");
     const QString exportedFile = createFile(appendYamlSuffix(TESTDATA "clang-analyzer.dividezero"),
-                                            sourceFile);
+                                            sourceFile.toString());
     Diagnostic expectedDiag;
     expectedDiag.name = "clang-analyzer-core.DivideZero";
     expectedDiag.location = {sourceFile, 4, 15};
@@ -188,8 +191,9 @@ TEST_F(ReadExportedDiagnostics, Tidy_ClangAnalyzer)
 
 TEST_F(ReadExportedDiagnostics, Clazy)
 {
-    const QString sourceFile = TESTDATA "clazy.qgetenv.cpp";
-    const QString exportedFile = createFile(appendYamlSuffix(TESTDATA "clazy.qgetenv"), sourceFile);
+    const Utils::FilePath sourceFile = Utils::FilePath::fromString(TESTDATA "clazy.qgetenv.cpp");
+    const QString exportedFile = createFile(appendYamlSuffix(TESTDATA "clazy.qgetenv"),
+                                            sourceFile.toString());
     Diagnostic expectedDiag;
     expectedDiag.name = "clazy-qgetenv";
     expectedDiag.location = {sourceFile, 7, 5};