Use nullptr to initialize the pointers

Change-Id: I59d743f585410cb5c00d36a7b6f9a3e9d696d19e
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

101 files changed, 274 insertions, 274 deletions

diff --git a/src/app/config-ui/mainwindow.h b/src/app/config-ui/mainwindow.h
index 73a01bc6a..908e447ea 100644
--- a/src/app/config-ui/mainwindow.h
+++ b/src/app/config-ui/mainwindow.h
@@ -53,7 +53,7 @@ class MainWindow : public QMainWindow
     Q_OBJECT
 
 public:
-    explicit MainWindow(const QString &settingsDir, QWidget *parent = 0);
+    explicit MainWindow(const QString &settingsDir, QWidget *parent = nullptr);
     ~MainWindow();
 
     bool eventFilter(QObject *watched, QEvent *event);
diff --git a/src/app/qbs/application.cpp b/src/app/qbs/application.cpp
index 33fab4390..e22a0e9cc 100644
--- a/src/app/qbs/application.cpp
+++ b/src/app/qbs/application.cpp
@@ -45,7 +45,7 @@
 namespace qbs {
 
 Application::Application(int &argc, char **argv)
-    : QCoreApplication(argc, argv), m_clFrontend(0), m_canceled(false)
+    : QCoreApplication(argc, argv), m_clFrontend(nullptr), m_canceled(false)
 {
     setApplicationName(QLatin1String("qbs"));
     setOrganizationName(QLatin1String("QtProject"));
diff --git a/src/app/qbs/commandlinefrontend.cpp b/src/app/qbs/commandlinefrontend.cpp
index d5a8bbd55..8ed409c87 100644
--- a/src/app/qbs/commandlinefrontend.cpp
+++ b/src/app/qbs/commandlinefrontend.cpp
@@ -68,7 +68,7 @@ CommandLineFrontend::CommandLineFrontend(const CommandLineParser &parser, Settin
     : QObject(parent)
     , m_parser(parser)
     , m_settings(settings)
-    , m_observer(0)
+    , m_observer(nullptr)
     , m_cancelStatus(CancelStatusNone)
     , m_cancelTimer(new QTimer(this))
 {
diff --git a/src/app/qbs/commandlinefrontend.h b/src/app/qbs/commandlinefrontend.h
index 9fc1f2c5b..8860324a6 100644
--- a/src/app/qbs/commandlinefrontend.h
+++ b/src/app/qbs/commandlinefrontend.h
@@ -66,7 +66,7 @@ class CommandLineFrontend : public QObject
     Q_OBJECT
 public:
     explicit CommandLineFrontend(const CommandLineParser &parser, Settings *settings,
-                                 QObject *parent = 0);
+                                 QObject *parent = nullptr);
     ~CommandLineFrontend();
 
     void cancel();
diff --git a/src/app/qbs/parser/commandlineparser.cpp b/src/app/qbs/parser/commandlineparser.cpp
index 2df1d8cce..4569bc277 100644
--- a/src/app/qbs/parser/commandlineparser.cpp
+++ b/src/app/qbs/parser/commandlineparser.cpp
@@ -110,7 +110,7 @@ public:
     bool logTime;
 };
 
-CommandLineParser::CommandLineParser() : d(0)
+CommandLineParser::CommandLineParser() : d(nullptr)
 {
 }
 
@@ -312,7 +312,7 @@ bool CommandLineParser::parseCommandLine(const QStringList &args)
 
 
 CommandLineParser::CommandLineParserPrivate::CommandLineParserPrivate()
-    : command(0), commandPool(optionPool), showProgress(false), logTime(false)
+    : command(nullptr), commandPool(optionPool), showProgress(false), logTime(false)
 {
 }
 
@@ -357,7 +357,7 @@ Command *CommandLineParser::CommandLineParserPrivate::commandFromString(const QS
         if (command->representation() == commandString)
             return command;
     }
-    return 0;
+    return nullptr;
 }
 
 QList<Command *> CommandLineParser::CommandLineParserPrivate::allCommands() const
diff --git a/src/lib/corelib/api/changeset.cpp b/src/lib/corelib/api/changeset.cpp
index f5d60df80..699270b39 100644
--- a/src/lib/corelib/api/changeset.cpp
+++ b/src/lib/corelib/api/changeset.cpp
@@ -44,12 +44,12 @@
 namespace QbsQmlJS {
 
 ChangeSet::ChangeSet()
-    : m_string(0), m_cursor(0), m_error(false)
+    : m_string(nullptr), m_cursor(nullptr), m_error(false)
 {
 }
 
 ChangeSet::ChangeSet(const QList<EditOp> &operations)
-    : m_string(0), m_cursor(0), m_operationList(operations), m_error(false)
+    : m_string(nullptr), m_cursor(nullptr), m_operationList(operations), m_error(false)
 {
 }
 
@@ -130,8 +130,8 @@ QList<ChangeSet::EditOp> ChangeSet::operationList() const
 
 void ChangeSet::clear()
 {
-    m_string = 0;
-    m_cursor = 0;
+    m_string = nullptr;
+    m_cursor = nullptr;
     m_operationList.clear();
     m_error = false;
 }
@@ -345,14 +345,14 @@ void ChangeSet::apply(QString *s)
 {
     m_string = s;
     apply_helper();
-    m_string = 0;
+    m_string = nullptr;
 }
 
 void ChangeSet::apply(QTextCursor *textCursor)
 {
     m_cursor = textCursor;
     apply_helper();
-    m_cursor = 0;
+    m_cursor = nullptr;
 }
 
 QString ChangeSet::textAt(int pos, int length)
diff --git a/src/lib/corelib/api/internaljobs.cpp b/src/lib/corelib/api/internaljobs.cpp
index 61acab258..2a2731331 100644
--- a/src/lib/corelib/api/internaljobs.cpp
+++ b/src/lib/corelib/api/internaljobs.cpp
@@ -70,7 +70,7 @@ namespace Internal {
 class JobObserver : public ProgressObserver
 {
 public:
-    JobObserver(InternalJob *job) : m_canceled(false), m_job(job), m_timedLogger(0) { }
+    JobObserver(InternalJob *job) : m_canceled(false), m_job(job), m_timedLogger(nullptr) { }
     ~JobObserver() { delete m_timedLogger; }
 
     void cancel()
@@ -103,7 +103,7 @@ private:
         m_value = value;
         if (value == m_maximum) {
             delete m_timedLogger;
-            m_timedLogger = 0;
+            m_timedLogger = nullptr;
         }
         emit m_job->taskProgress(value, m_job);
     }
@@ -266,7 +266,7 @@ void InternalSetupProjectJob::start()
         }
         execute();
         if (m_existingProject)
-            m_existingProject->bgLocker = 0;
+            m_existingProject->bgLocker = nullptr;
         m_newProject->bgLocker = bgLocker;
         deleteLocker = false;
     } catch (const ErrorInfo &error) {
@@ -362,7 +362,7 @@ void BuildGraphTouchingJob::storeBuildGraph()
 }
 
 InternalBuildJob::InternalBuildJob(const Logger &logger, QObject *parent)
-    : BuildGraphTouchingJob(logger, parent), m_executor(0)
+    : BuildGraphTouchingJob(logger, parent), m_executor(nullptr)
 {
 }
 
diff --git a/src/lib/corelib/api/internaljobs.h b/src/lib/corelib/api/internaljobs.h
index f0260cc98..4ed6bf1f4 100644
--- a/src/lib/corelib/api/internaljobs.h
+++ b/src/lib/corelib/api/internaljobs.h
@@ -80,7 +80,7 @@ public:
     void shareObserverWith(InternalJob *otherJob);
 
 protected:
-    explicit InternalJob(const Logger &logger, QObject *parent = 0);
+    explicit InternalJob(const Logger &logger, QObject *parent = nullptr);
 
     JobObserver *observer() const { return m_observer; }
     void setTimed(bool timed) { m_timed = timed; }
@@ -105,7 +105,7 @@ class InternalJobThreadWrapper : public InternalJob
 {
     Q_OBJECT
 public:
-    InternalJobThreadWrapper(InternalJob *synchronousJob, QObject *parent = 0);
+    InternalJobThreadWrapper(InternalJob *synchronousJob, QObject *parent = nullptr);
     ~InternalJobThreadWrapper();
 
     void start() override;
@@ -159,7 +159,7 @@ signals:
     void reportProcessResult(const qbs::ProcessResult &result);
 
 protected:
-    BuildGraphTouchingJob(const Logger &logger, QObject *parent = 0);
+    BuildGraphTouchingJob(const Logger &logger, QObject *parent = nullptr);
     ~BuildGraphTouchingJob();
 
     void setup(const TopLevelProjectPtr &project, const QList<ResolvedProductPtr> &products,
@@ -177,7 +177,7 @@ class InternalBuildJob : public BuildGraphTouchingJob
 {
     Q_OBJECT
 public:
-    InternalBuildJob(const Logger &logger, QObject *parent = 0);
+    InternalBuildJob(const Logger &logger, QObject *parent = nullptr);
 
     void build(const TopLevelProjectPtr &project, const QList<ResolvedProductPtr> &products,
                const BuildOptions &buildOptions);
@@ -194,7 +194,7 @@ class InternalCleanJob : public BuildGraphTouchingJob
 {
     Q_OBJECT
 public:
-    InternalCleanJob(const Logger &logger, QObject *parent = 0);
+    InternalCleanJob(const Logger &logger, QObject *parent = nullptr);
 
     void init(const TopLevelProjectPtr &project, const QList<ResolvedProductPtr> &products,
             const CleanOptions &options);
diff --git a/src/lib/corelib/api/projectfileupdater.cpp b/src/lib/corelib/api/projectfileupdater.cpp
index 37dfb7688..648235731 100644
--- a/src/lib/corelib/api/projectfileupdater.cpp
+++ b/src/lib/corelib/api/projectfileupdater.cpp
@@ -65,7 +65,7 @@ namespace Internal {
 class ItemFinder : public Visitor
 {
 public:
-    ItemFinder(const CodeLocation &cl) : m_cl(cl), m_item(0) { }
+    ItemFinder(const CodeLocation &cl) : m_cl(cl), m_item(nullptr) { }
 
     UiObjectDefinition *item() const { return m_item; }
 
@@ -87,7 +87,7 @@ class FilesBindingFinder : public Visitor
 {
 public:
     FilesBindingFinder(const UiObjectDefinition *startItem)
-        : m_startItem(startItem), m_binding(0)
+        : m_startItem(startItem), m_binding(nullptr)
     {
     }
 
diff --git a/src/lib/corelib/api/qmljsrewriter.cpp b/src/lib/corelib/api/qmljsrewriter.cpp
index 8d8d071a9..ebcc00b07 100644
--- a/src/lib/corelib/api/qmljsrewriter.cpp
+++ b/src/lib/corelib/api/qmljsrewriter.cpp
@@ -93,7 +93,7 @@ Rewriter::Range Rewriter::addBinding(AST::UiObjectInitializer *ast,
     SourceLocation endOfPreviousMember;
     SourceLocation startOfNextMember;
 
-    if (insertAfter == 0 || insertAfter->member == 0) {
+    if (insertAfter == nullptr || insertAfter->member == nullptr) {
         // insert as first member
         endOfPreviousMember = ast->lbraceToken;
 
@@ -114,7 +114,7 @@ Rewriter::Range Rewriter::addBinding(AST::UiObjectInitializer *ast,
     bool needsTrailingSemicolon = false;
 
     if (isOneLiner) {
-        if (insertAfter == 0) { // we're inserting after an lbrace
+        if (insertAfter == nullptr) { // we're inserting after an lbrace
             if (ast->members) { // we're inserting before a member (and not the rbrace)
                 needsTrailingSemicolon = bindingType == ScriptBinding;
             }
@@ -168,8 +168,8 @@ UiObjectMemberList *Rewriter::searchMemberToInsertAfter(UiObjectMemberList *memb
 {
     const int objectDefinitionInsertionPoint = propertyOrder.indexOf(QString());
 
-    UiObjectMemberList *lastObjectDef = 0;
-    UiObjectMemberList *lastNonObjectDef = 0;
+    UiObjectMemberList *lastObjectDef = nullptr;
+    UiObjectMemberList *lastNonObjectDef = nullptr;
 
     for (UiObjectMemberList *iter = members; iter; iter = iter->next) {
         UiObjectMember *member = iter->member;
@@ -201,8 +201,8 @@ UiArrayMemberList *Rewriter::searchMemberToInsertAfter(UiArrayMemberList *member
 {
     const int objectDefinitionInsertionPoint = propertyOrder.indexOf(QString());
 
-    UiArrayMemberList *lastObjectDef = 0;
-    UiArrayMemberList *lastNonObjectDef = 0;
+    UiArrayMemberList *lastObjectDef = nullptr;
+    UiArrayMemberList *lastNonObjectDef = nullptr;
 
     for (UiArrayMemberList *iter = members; iter; iter = iter->next) {
         UiObjectMember *member = iter->member;
@@ -234,7 +234,7 @@ UiObjectMemberList *Rewriter::searchMemberToInsertAfter(UiObjectMemberList *memb
                                                         const QStringList &propertyOrder)
 {
     if (!members)
-        return 0; // empty members
+        return nullptr; // empty members
 
     QHash<QString, UiObjectMemberList *> orderedMembers;
 
@@ -266,7 +266,7 @@ UiObjectMemberList *Rewriter::searchMemberToInsertAfter(UiObjectMemberList *memb
             return candidate;
     }
 
-    return 0;
+    return nullptr;
 }
 
 void Rewriter::changeBinding(UiObjectInitializer *ast,
@@ -382,7 +382,7 @@ void Rewriter::insertIntoArray(UiArrayBinding *ast, const QString &newValue)
     if (!ast)
         return;
 
-    UiObjectMember *lastMember = 0;
+    UiObjectMember *lastMember = nullptr;
     for (UiArrayMemberList *iter = ast->members; iter; iter = iter->next) {
         lastMember = iter->member;
     }
@@ -426,7 +426,7 @@ void Rewriter::removeGroupedProperty(UiObjectDefinition *ast,
 
     const QString propName = propertyName.mid(dotIdx + 1);
 
-    UiObjectMember *wanted = 0;
+    UiObjectMember *wanted = nullptr;
     unsigned memberCount = 0;
     for (UiObjectMemberList *it = ast->initializer->members; it; it = it->next) {
         ++memberCount;
@@ -545,8 +545,8 @@ UiObjectMemberList *QMLRewriter::searchMemberToInsertAfter(UiObjectMemberList *m
 {
     const int objectDefinitionInsertionPoint = propertyOrder.indexOf(QString::null);
 
-    UiObjectMemberList *lastObjectDef = 0;
-    UiObjectMemberList *lastNonObjectDef = 0;
+    UiObjectMemberList *lastObjectDef = nullptr;
+    UiObjectMemberList *lastNonObjectDef = nullptr;
 
     for (UiObjectMemberList *iter = members; iter; iter = iter->next) {
         UiObjectMember *member = iter->member;
@@ -576,7 +576,7 @@ UiObjectMemberList *QMLRewriter::searchMemberToInsertAfter(UiObjectMemberList *m
 UiObjectMemberList *QMLRewriter::searchMemberToInsertAfter(UiObjectMemberList *members, const QString &propertyName, const QStringList &propertyOrder)
 {
     if (!members)
-        return 0; // empty members
+        return nullptr; // empty members
 
     QHash<QString, UiObjectMemberList *> orderedMembers;
 
@@ -608,7 +608,7 @@ UiObjectMemberList *QMLRewriter::searchMemberToInsertAfter(UiObjectMemberList *m
             return candidate;
     }
 
-    return 0;
+    return nullptr;
 }
 
 #endif
@@ -616,7 +616,7 @@ UiObjectMemberList *QMLRewriter::searchMemberToInsertAfter(UiObjectMemberList *m
 void Rewriter::appendToArrayBinding(UiArrayBinding *arrayBinding,
                                     const QString &content)
 {
-    UiObjectMember *lastMember = 0;
+    UiObjectMember *lastMember = nullptr;
     for (UiArrayMemberList *iter = arrayBinding->members; iter; iter = iter->next)
         if (iter->member)
             lastMember = iter->member;
@@ -697,7 +697,7 @@ void Rewriter::extendToLeadingOrTrailingComma(UiArrayBinding *parentArray,
                                               int &start,
                                               int &end) const
 {
-    UiArrayMemberList *currentMember = 0;
+    UiArrayMemberList *currentMember = nullptr;
     for (UiArrayMemberList *it = parentArray->members; it; it = it->next) {
         if (it->member == member) {
             currentMember = it;
diff --git a/src/lib/corelib/buildgraph/abstractcommandexecutor.cpp b/src/lib/corelib/buildgraph/abstractcommandexecutor.cpp
index 1ed5f21f3..94597e6d3 100644
--- a/src/lib/corelib/buildgraph/abstractcommandexecutor.cpp
+++ b/src/lib/corelib/buildgraph/abstractcommandexecutor.cpp
@@ -50,9 +50,9 @@ namespace Internal {
 AbstractCommandExecutor::AbstractCommandExecutor(const Logger &logger, QObject *parent)
     : QObject(parent)
     , m_echoMode(defaultCommandEchoMode())
-    , m_command(0)
-    , m_transformer(0)
-    , m_mainThreadScriptEngine(0)
+    , m_command(nullptr)
+    , m_transformer(nullptr)
+    , m_mainThreadScriptEngine(nullptr)
     , m_dryRun(false)
     , m_logger(logger)
 {
diff --git a/src/lib/corelib/buildgraph/abstractcommandexecutor.h b/src/lib/corelib/buildgraph/abstractcommandexecutor.h
index 7ff769396..505fd8da0 100644
--- a/src/lib/corelib/buildgraph/abstractcommandexecutor.h
+++ b/src/lib/corelib/buildgraph/abstractcommandexecutor.h
@@ -58,7 +58,7 @@ class AbstractCommandExecutor : public QObject
 {
     Q_OBJECT
 public:
-    explicit AbstractCommandExecutor(const Internal::Logger &logger, QObject *parent = 0);
+    explicit AbstractCommandExecutor(const Internal::Logger &logger, QObject *parent = nullptr);
 
     void setMainThreadScriptEngine(ScriptEngine *engine) { m_mainThreadScriptEngine = engine; }
     void setDryRunEnabled(bool enabled) { m_dryRun = enabled; }
diff --git a/src/lib/corelib/buildgraph/buildgraph.cpp b/src/lib/corelib/buildgraph/buildgraph.cpp
index 7a87303b1..0baacc27d 100644
--- a/src/lib/corelib/buildgraph/buildgraph.cpp
+++ b/src/lib/corelib/buildgraph/buildgraph.cpp
@@ -490,7 +490,7 @@ Artifact *lookupArtifact(const ResolvedProductConstPtr &product,
                          : artifact->product == product))
             return artifact;
     }
-    return 0;
+    return nullptr;
 }
 
 Artifact *lookupArtifact(const ResolvedProductConstPtr &product, const QString &dirPath,
diff --git a/src/lib/corelib/buildgraph/cycledetector.cpp b/src/lib/corelib/buildgraph/cycledetector.cpp
index 13d1d85b9..95afba87d 100644
--- a/src/lib/corelib/buildgraph/cycledetector.cpp
+++ b/src/lib/corelib/buildgraph/cycledetector.cpp
@@ -52,7 +52,7 @@ namespace qbs {
 namespace Internal {
 
 CycleDetector::CycleDetector(const Logger &logger)
-    : m_parent(0), m_logger(logger)
+    : m_parent(nullptr), m_logger(logger)
 {
 }
 
diff --git a/src/lib/corelib/buildgraph/depscanner.cpp b/src/lib/corelib/buildgraph/depscanner.cpp
index 274a848d9..e0fae57c9 100644
--- a/src/lib/corelib/buildgraph/depscanner.cpp
+++ b/src/lib/corelib/buildgraph/depscanner.cpp
@@ -112,7 +112,7 @@ QStringList PluginDependencyScanner::collectDependencies(FileResourceBase *file,
         int flags = 0;
         int length = 0;
         const char *szOutFilePath = m_plugin->next(scannerHandle, &length, &flags);
-        if (szOutFilePath == 0)
+        if (szOutFilePath == nullptr)
             break;
         QString outFilePath = QString::fromLocal8Bit(szOutFilePath, length);
         if (outFilePath.isEmpty())
@@ -157,7 +157,7 @@ UserDependencyScanner::UserDependencyScanner(const ResolvedScannerConstPtr &scan
     : m_scanner(scanner),
       m_engine(engine),
       m_observer(m_engine, UnobserveMode::Enabled),
-      m_product(0)
+      m_product(nullptr)
 {
     m_global = m_engine->newObject();
     m_global.setPrototype(m_engine->globalObject());
diff --git a/src/lib/corelib/buildgraph/executor.cpp b/src/lib/corelib/buildgraph/executor.cpp
index b7a069096..6d5cc9f90 100644
--- a/src/lib/corelib/buildgraph/executor.cpp
+++ b/src/lib/corelib/buildgraph/executor.cpp
@@ -84,9 +84,9 @@ bool Executor::ComparePriority::operator() (const BuildGraphNode *x, const Build
 
 Executor::Executor(const Logger &logger, QObject *parent)
     : QObject(parent)
-    , m_productInstaller(0)
+    , m_productInstaller(nullptr)
     , m_logger(logger)
-    , m_progressObserver(0)
+    , m_progressObserver(nullptr)
     , m_state(ExecutorIdle)
     , m_cancelationTimer(new QTimer(this))
 {
diff --git a/src/lib/corelib/buildgraph/executor.h b/src/lib/corelib/buildgraph/executor.h
index 849920aee..cdc7e2f1a 100644
--- a/src/lib/corelib/buildgraph/executor.h
+++ b/src/lib/corelib/buildgraph/executor.h
@@ -74,7 +74,7 @@ class Executor : public QObject, private BuildGraphVisitor
 public:
     void build();
 
-    Executor(const Logger &logger, QObject *parent = 0);
+    Executor(const Logger &logger, QObject *parent = nullptr);
     ~Executor();
 
     void setProject(const TopLevelProjectPtr &project);
diff --git a/src/lib/corelib/buildgraph/executorjob.cpp b/src/lib/corelib/buildgraph/executorjob.cpp
index 8fb767d38..0b67f2eee 100644
--- a/src/lib/corelib/buildgraph/executorjob.cpp
+++ b/src/lib/corelib/buildgraph/executorjob.cpp
@@ -166,8 +166,8 @@ void ExecutorJob::setFinished()
 
 void ExecutorJob::reset()
 {
-    m_transformer = 0;
-    m_currentCommandExecutor = 0;
+    m_transformer = nullptr;
+    m_currentCommandExecutor = nullptr;
     m_currentCommandIdx = -1;
     m_error.clear();
 }
diff --git a/src/lib/corelib/buildgraph/inputartifactscanner.cpp b/src/lib/corelib/buildgraph/inputartifactscanner.cpp
index 78808b531..31e54486e 100644
--- a/src/lib/corelib/buildgraph/inputartifactscanner.cpp
+++ b/src/lib/corelib/buildgraph/inputartifactscanner.cpp
@@ -74,9 +74,9 @@ static void resolveDepencency(const RawScannedDependency &dependency,
         absDirPath = QDir::cleanPath(absDirPath);
 
     ResolvedProject *project = product->project.get();
-    FileDependency *fileDependencyArtifact = 0;
-    Artifact *dependencyInProduct = 0;
-    Artifact *dependencyInOtherProduct = 0;
+    FileDependency *fileDependencyArtifact = nullptr;
+    Artifact *dependencyInProduct = nullptr;
+    Artifact *dependencyInOtherProduct = nullptr;
     for (FileResourceBase *lookupResult : project->topLevelProject()
              ->buildData->lookupFiles(absDirPath, dependency.fileName())) {
         if ((fileDependencyArtifact = dynamic_cast<FileDependency *>(lookupResult)))
diff --git a/src/lib/corelib/buildgraph/jscommandexecutor.cpp b/src/lib/corelib/buildgraph/jscommandexecutor.cpp
index be71cb6b5..974aa676d 100644
--- a/src/lib/corelib/buildgraph/jscommandexecutor.cpp
+++ b/src/lib/corelib/buildgraph/jscommandexecutor.cpp
@@ -73,7 +73,7 @@ class JsCommandExecutorThreadObject : public QObject
 public:
     JsCommandExecutorThreadObject(const Logger &logger)
         : m_logger(logger)
-        , m_scriptEngine(0)
+        , m_scriptEngine(nullptr)
     {
     }
 
diff --git a/src/lib/corelib/buildgraph/jscommandexecutor.h b/src/lib/corelib/buildgraph/jscommandexecutor.h
index 929c81fff..f70d54711 100644
--- a/src/lib/corelib/buildgraph/jscommandexecutor.h
+++ b/src/lib/corelib/buildgraph/jscommandexecutor.h
@@ -55,7 +55,7 @@ class JsCommandExecutor : public AbstractCommandExecutor
 {
     Q_OBJECT
 public:
-    explicit JsCommandExecutor(const Logger &logger, QObject *parent = 0);
+    explicit JsCommandExecutor(const Logger &logger, QObject *parent = nullptr);
     ~JsCommandExecutor();
 
 signals:
diff --git a/src/lib/corelib/buildgraph/nodeset.cpp b/src/lib/corelib/buildgraph/nodeset.cpp
index d8b662e48..b9ef222eb 100644
--- a/src/lib/corelib/buildgraph/nodeset.cpp
+++ b/src/lib/corelib/buildgraph/nodeset.cpp
@@ -50,7 +50,7 @@ namespace Internal {
 BuildGraphNode *loadBuildGraphNode(PersistentPool &pool)
 {
     const auto t = pool.load<quint8>();
-    BuildGraphNode *node = 0;
+    BuildGraphNode *node = nullptr;
     switch (static_cast<BuildGraphNode::Type>(t)) {
     case BuildGraphNode::ArtifactNodeType:
         node = pool.load<Artifact *>();
diff --git a/src/lib/corelib/buildgraph/processcommandexecutor.h b/src/lib/corelib/buildgraph/processcommandexecutor.h
index b96f6a0f1..877c0bffb 100644
--- a/src/lib/corelib/buildgraph/processcommandexecutor.h
+++ b/src/lib/corelib/buildgraph/processcommandexecutor.h
@@ -56,7 +56,7 @@ class ProcessCommandExecutor : public AbstractCommandExecutor
 {
     Q_OBJECT
 public:
-    explicit ProcessCommandExecutor(const Internal::Logger &logger, QObject *parent = 0);
+    explicit ProcessCommandExecutor(const Internal::Logger &logger, QObject *parent = nullptr);
 
     void setProcessEnvironment(const QProcessEnvironment &processEnvironment) {
         m_buildEnvironment = processEnvironment;
diff --git a/src/lib/corelib/buildgraph/qtmocscanner.cpp b/src/lib/corelib/buildgraph/qtmocscanner.cpp
index df2bfab00..a5f607d8a 100644
--- a/src/lib/corelib/buildgraph/qtmocscanner.cpp
+++ b/src/lib/corelib/buildgraph/qtmocscanner.cpp
@@ -98,8 +98,8 @@ QtMocScanner::QtMocScanner(const ResolvedProductPtr &product, QScriptValue targe
     : m_tags(*commonFileTags())
     , m_product(product)
     , m_targetScriptValue(targetScriptValue)
-    , m_cppScanner(0)
-    , m_hppScanner(0)
+    , m_cppScanner(nullptr)
+    , m_hppScanner(nullptr)
 {
     ScriptEngine *engine = static_cast<ScriptEngine *>(targetScriptValue.engine());
     QScriptValue scannerObj = engine->newObject();
@@ -151,7 +151,7 @@ static RawScanResult runScanner(ScannerPlugin *scanner, const Artifact *artifact
         forever {
             int flags = 0;
             const char *szOutFilePath = scanner->next(opaq, &length, &flags);
-            if (szOutFilePath == 0)
+            if (szOutFilePath == nullptr)
                 break;
             QString includedFilePath = QString::fromLocal8Bit(szOutFilePath, length);
             if (includedFilePath.isEmpty())
diff --git a/src/lib/corelib/buildgraph/rulesapplicator.cpp b/src/lib/corelib/buildgraph/rulesapplicator.cpp
index 674a5a2bb..3430b5204 100644
--- a/src/lib/corelib/buildgraph/rulesapplicator.cpp
+++ b/src/lib/corelib/buildgraph/rulesapplicator.cpp
@@ -73,7 +73,7 @@ namespace Internal {
 
 RulesApplicator::RulesApplicator(const ResolvedProductPtr &product, const Logger &logger)
     : m_product(product)
-    , m_mocScanner(0)
+    , m_mocScanner(nullptr)
     , m_logger(logger)
 {
 }
@@ -121,7 +121,7 @@ void RulesApplicator::handleRemovedRuleOutputs(const ArtifactSet &inputArtifacts
         const ArtifactSet &outputArtifactsToRemove, const Logger &logger)
 {
     ArtifactSet artifactsToRemove;
-    const TopLevelProject *project = 0;
+    const TopLevelProject *project = nullptr;
     for (Artifact * const removedArtifact : outputArtifactsToRemove) {
         qCDebug(lcBuildGraph) << "dynamic rule removed output artifact"
                               << removedArtifact->toString();
diff --git a/src/lib/corelib/buildgraph/rulesevaluationcontext.cpp b/src/lib/corelib/buildgraph/rulesevaluationcontext.cpp
index cd4df4d01..0b6774adb 100644
--- a/src/lib/corelib/buildgraph/rulesevaluationcontext.cpp
+++ b/src/lib/corelib/buildgraph/rulesevaluationcontext.cpp
@@ -56,7 +56,7 @@ namespace Internal {
 RulesEvaluationContext::RulesEvaluationContext(const Logger &logger)
     : m_logger(logger),
       m_engine(new ScriptEngine(m_logger, EvalContext::RuleExecution)),
-      m_observer(0),
+      m_observer(nullptr),
       m_initScopeCalls(0)
 {
     m_prepareScriptScope = m_engine->newObject();
diff --git a/src/lib/corelib/jsextensions/domxml.cpp b/src/lib/corelib/jsextensions/domxml.cpp
index 6b2cf6bed..b47ac5b05 100644
--- a/src/lib/corelib/jsextensions/domxml.cpp
+++ b/src/lib/corelib/jsextensions/domxml.cpp
@@ -143,7 +143,7 @@ QBS_JSEXTENSION_REGISTER(Xml, &initializeJsExtensionXml)
 
 QScriptValue XmlDomDocument::ctor(QScriptContext *context, QScriptEngine *engine)
 {
-    XmlDomDocument *xml = 0;
+    XmlDomDocument *xml = nullptr;
     switch (context->argumentCount()) {
     case 0:
         xml = new XmlDomDocument(context);
diff --git a/src/lib/corelib/jsextensions/moduleproperties.cpp b/src/lib/corelib/jsextensions/moduleproperties.cpp
index 47b226e50..b544699fe 100644
--- a/src/lib/corelib/jsextensions/moduleproperties.cpp
+++ b/src/lib/corelib/jsextensions/moduleproperties.cpp
@@ -229,7 +229,7 @@ QScriptValue ModuleProperties::moduleProperty(QScriptContext *context, QScriptEn
 
     const void *ptr = reinterpret_cast<const void *>(qscriptvalue_cast<quintptr>(ptrScriptValue));
     PropertyMapConstPtr properties;
-    const Artifact *artifact = 0;
+    const Artifact *artifact = nullptr;
     if (typeScriptValue.toString() == productType()) {
         properties = static_cast<const ResolvedProduct *>(ptr)->moduleProperties;
     } else if (typeScriptValue.toString() == artifactType()) {
diff --git a/src/lib/corelib/jsextensions/process.cpp b/src/lib/corelib/jsextensions/process.cpp
index fed7e57e7..b38c10aad 100644
--- a/src/lib/corelib/jsextensions/process.cpp
+++ b/src/lib/corelib/jsextensions/process.cpp
@@ -244,9 +244,9 @@ void Process::close()
         return;
     Q_ASSERT(thisObject().engine() == engine());
     delete m_textStream;
-    m_textStream = 0;
+    m_textStream = nullptr;
     delete m_qProcess;
-    m_qProcess = 0;
+    m_qProcess = nullptr;
 }
 
 bool Process::waitForFinished(int msecs)
diff --git a/src/lib/corelib/jsextensions/textfile.cpp b/src/lib/corelib/jsextensions/textfile.cpp
index bfa2b12d2..57c928d86 100644
--- a/src/lib/corelib/jsextensions/textfile.cpp
+++ b/src/lib/corelib/jsextensions/textfile.cpp
@@ -166,7 +166,7 @@ TextFile::TextFile(QScriptContext *context, const QString &filePath, OpenMode mo
         context->throwError(Tr::tr("Unable to open file '%1': %2")
                             .arg(filePath, m_file->errorString()));
         delete m_file;
-        m_file = 0;
+        m_file = nullptr;
     }
 }
 
@@ -175,10 +175,10 @@ void TextFile::close()
     if (checkForClosed())
         return;
     delete m_stream;
-    m_stream = 0;
+    m_stream = nullptr;
     m_file->close();
     delete m_file;
-    m_file = 0;
+    m_file = nullptr;
 }
 
 QString TextFile::filePath()
diff --git a/src/lib/corelib/language/evaluatorscriptclass.cpp b/src/lib/corelib/language/evaluatorscriptclass.cpp
index f416be1b1..533025ff6 100644
--- a/src/lib/corelib/language/evaluatorscriptclass.cpp
+++ b/src/lib/corelib/language/evaluatorscriptclass.cpp
@@ -586,8 +586,8 @@ QScriptValue EvaluatorScriptClass::property(const QScriptValue &object, const QS
     const EvaluationData *data = m_queryResult.data;
     const Item * const itemOfProperty = m_queryResult.itemOfProperty;
     m_queryResult.foundInParent = false;
-    m_queryResult.data = 0;
-    m_queryResult.itemOfProperty = 0;
+    m_queryResult.data = nullptr;
+    m_queryResult.itemOfProperty = nullptr;
     QBS_ASSERT(data, return QScriptValue());
 
     const QueryPropertyType qpt = static_cast<QueryPropertyType>(id);
diff --git a/src/lib/corelib/language/evaluatorscriptclass.h b/src/lib/corelib/language/evaluatorscriptclass.h
index 6968e9d98..ba39e23c9 100755
--- a/src/lib/corelib/language/evaluatorscriptclass.h
+++ b/src/lib/corelib/language/evaluatorscriptclass.h
@@ -89,7 +89,7 @@ private:
     struct QueryResult
     {
         QueryResult()
-            : data(0), itemOfProperty(0)
+            : data(nullptr), itemOfProperty(nullptr)
         {}
 
         bool isNull() const
diff --git a/src/lib/corelib/language/filecontext.cpp b/src/lib/corelib/language/filecontext.cpp
index 27107ff49..6daf8c871 100644
--- a/src/lib/corelib/language/filecontext.cpp
+++ b/src/lib/corelib/language/filecontext.cpp
@@ -45,7 +45,7 @@ namespace qbs {
 namespace Internal {
 
 FileContext::FileContext()
-    : m_idScope(0)
+    : m_idScope(nullptr)
 {
 }
 
diff --git a/src/lib/corelib/language/item.cpp b/src/lib/corelib/language/item.cpp
index 4bdee83ea..646d90ff7 100644
--- a/src/lib/corelib/language/item.cpp
+++ b/src/lib/corelib/language/item.cpp
@@ -59,11 +59,11 @@ namespace Internal {
 
 Item::Item(ItemPool *pool, ItemType type)
     : m_pool(pool)
-    , m_observer(0)
-    , m_prototype(0)
-    , m_scope(0)
-    , m_outerItem(0)
-    , m_parent(0)
+    , m_observer(nullptr)
+    , m_prototype(nullptr)
+    , m_scope(nullptr)
+    , m_outerItem(nullptr)
+    , m_parent(nullptr)
     , m_type(type)
 {
 }
@@ -338,7 +338,7 @@ void Item::removeProperty(const QString &name)
 
 Item *Item::child(ItemType type, bool checkForMultiple) const
 {
-    Item *child = 0;
+    Item *child = nullptr;
     for (Item * const currentChild : children()) {
         if (currentChild->type() == type) {
             if (!checkForMultiple)
diff --git a/src/lib/corelib/language/item.h b/src/lib/corelib/language/item.h
index 62f4adde3..6dfc138aa 100644
--- a/src/lib/corelib/language/item.h
+++ b/src/lib/corelib/language/item.h
@@ -72,7 +72,7 @@ public:
     struct Module
     {
         Module()
-            : item(0), isProduct(false), required(true)
+            : item(nullptr), isProduct(false), required(true)
         {}
 
         QualifiedId name;
diff --git a/src/lib/corelib/language/itemreadervisitorstate.cpp b/src/lib/corelib/language/itemreadervisitorstate.cpp
index b1261f0ca..a48f081ff 100644
--- a/src/lib/corelib/language/itemreadervisitorstate.cpp
+++ b/src/lib/corelib/language/itemreadervisitorstate.cpp
@@ -62,7 +62,7 @@ class ASTCacheValueData : public QSharedData
     Q_DISABLE_COPY(ASTCacheValueData)
 public:
     ASTCacheValueData()
-        : ast(0)
+        : ast(nullptr)
         , processing(false)
     {
     }
diff --git a/src/lib/corelib/language/language.cpp b/src/lib/corelib/language/language.cpp
index 22a678399..5f6a5ff58 100644
--- a/src/lib/corelib/language/language.cpp
+++ b/src/lib/corelib/language/language.cpp
@@ -773,7 +773,7 @@ QString ResolvedProduct::cachedExecutablePath(const QString &origFilePath) const
 }
 
 
-ResolvedProject::ResolvedProject() : enabled(true), m_topLevelProject(0)
+ResolvedProject::ResolvedProject() : enabled(true), m_topLevelProject(nullptr)
 {
 }
 
@@ -849,7 +849,7 @@ void ResolvedProject::store(PersistentPool &pool) const
 
 
 TopLevelProject::TopLevelProject()
-    : bgLocker(0), locked(false), lastResolveTime(FileTime::oldestTime())
+    : bgLocker(nullptr), locked(false), lastResolveTime(FileTime::oldestTime())
 {
 }
 
diff --git a/src/lib/corelib/language/loader.cpp b/src/lib/corelib/language/loader.cpp
index 997124465..685865371 100644
--- a/src/lib/corelib/language/loader.cpp
+++ b/src/lib/corelib/language/loader.cpp
@@ -62,7 +62,7 @@ namespace Internal {
 
 Loader::Loader(ScriptEngine *engine, const Logger &logger)
     : m_logger(logger)
-    , m_progressObserver(0)
+    , m_progressObserver(nullptr)
     , m_engine(engine)
 {
     m_logger.storeWarnings();
diff --git a/src/lib/corelib/language/moduleloader.cpp b/src/lib/corelib/language/moduleloader.cpp
index 40e41e47e..138a07f53 100644
--- a/src/lib/corelib/language/moduleloader.cpp
+++ b/src/lib/corelib/language/moduleloader.cpp
@@ -239,9 +239,9 @@ private:
 };
 
 ModuleLoader::ModuleLoader(Evaluator *evaluator, Logger &logger)
-    : m_pool(0)
+    : m_pool(nullptr)
     , m_logger(logger)
-    , m_progressObserver(0)
+    , m_progressObserver(nullptr)
     , m_reader(new ItemReader(logger))
     , m_evaluator(evaluator)
 {
@@ -375,7 +375,7 @@ public:
     PropertyDeclarationCheck(const Set<Item *> &disabledItems,
                              const SetupProjectParameters &params, Logger &logger)
         : m_disabledItems(disabledItems)
-        , m_parentItem(0)
+        , m_parentItem(nullptr)
         , m_params(params)
         , m_logger(logger)
     {
@@ -2455,7 +2455,7 @@ Item *ModuleLoader::loadModule(ProductContext *productContext, Item *exportingPr
     }
     delayedPropertyChanger.applyNow();
     if (!modulePrototype)
-        return 0;
+        return nullptr;
 
     instantiateModule(productContext, exportingProductItem, item, moduleInstance, modulePrototype,
                       moduleName, pmi);
@@ -2552,7 +2552,7 @@ Item *ModuleLoader::searchAndLoadModuleFile(ProductContext *productContext,
         throw ErrorInfo(Tr::tr("Module %1 could not be loaded.").arg(fullName),
                     dependsItemLocation);
 
-    return 0;
+    return nullptr;
 }
 
 // returns QVariant::Invalid for types that do not need conversion
@@ -2630,7 +2630,7 @@ Item *ModuleLoader::loadModuleFile(ProductContext *productContext, const QString
                             << "Alleged module " << fullModuleName << " has type '"
                             << module->typeName() << "', so it's not a module after all.";
         *triedToLoad = false;
-        return 0;
+        return nullptr;
     }
 
     // Set the name before evaluating any properties. EvaluatorScriptClass reads the module name.
@@ -2670,7 +2670,7 @@ Item *ModuleLoader::loadModuleFile(ProductContext *productContext, const QString
     if (!enabled) {
         qCDebug(lcModuleLoader) << "condition of module" << fullModuleName << "is false";
         m_modulePrototypeItemCache.insert(cacheKey, ItemCacheValue(module, false));
-        return 0;
+        return nullptr;
     }
 
     if (isBaseModule)
diff --git a/src/lib/corelib/language/moduleloader.h b/src/lib/corelib/language/moduleloader.h
index cc3b02973..a46f80873 100644
--- a/src/lib/corelib/language/moduleloader.h
+++ b/src/lib/corelib/language/moduleloader.h
@@ -77,7 +77,7 @@ using ModulePropertiesPerGroup = std::unordered_map<const Item *, QualifiedIdSet
 struct ModuleLoaderResult
 {
     ModuleLoaderResult()
-        : itemPool(new ItemPool), root(0)
+        : itemPool(new ItemPool), root(nullptr)
     {}
 
     struct ProductInfo
@@ -145,7 +145,7 @@ private:
     {
     public:
         ContextBase()
-            : item(0), scope(0)
+            : item(nullptr), scope(nullptr)
         {}
 
         Item *item;
diff --git a/src/lib/corelib/language/modulemerger.cpp b/src/lib/corelib/language/modulemerger.cpp
index 607d0627b..c0b574407 100644
--- a/src/lib/corelib/language/modulemerger.cpp
+++ b/src/lib/corelib/language/modulemerger.cpp
@@ -145,7 +145,7 @@ void ModuleMerger::start()
 
 Item::PropertyMap ModuleMerger::dfs(const Item::Module &m, Item::PropertyMap props)
 {
-    Item *moduleInstance = 0;
+    Item *moduleInstance = nullptr;
     size_t numberOfOutprops = m.item->modules().size();
     for (const Item::Module &dep : m.item->modules()) {
         if (dep.name == m_mergedModule.name) {
diff --git a/src/lib/corelib/language/projectresolver.cpp b/src/lib/corelib/language/projectresolver.cpp
index 879f42a11..ee95cacf1 100644
--- a/src/lib/corelib/language/projectresolver.cpp
+++ b/src/lib/corelib/language/projectresolver.cpp
@@ -110,7 +110,7 @@ ProjectResolver::ProjectResolver(Evaluator *evaluator, const ModuleLoaderResult
     : m_evaluator(evaluator)
     , m_logger(logger)
     , m_engine(m_evaluator->engine())
-    , m_progressObserver(0)
+    , m_progressObserver(nullptr)
     , m_setupParams(setupParameters)
     , m_loadResult(loadResult)
 {
@@ -151,8 +151,8 @@ TopLevelProjectPtr ProjectResolver::resolve()
                                              m_setupParams.logElapsedTime());
     qCDebug(lcProjectResolver) << "resolving" << m_loadResult.root->file()->filePath();
 
-    m_productContext = 0;
-    m_moduleContext = 0;
+    m_productContext = nullptr;
+    m_moduleContext = nullptr;
     m_elapsedTimeModPropEval = m_elapsedTimeAllPropEval = m_elapsedTimeGroups = 0;
     TopLevelProjectPtr tlp;
     try {
diff --git a/src/lib/corelib/language/scriptengine.h b/src/lib/corelib/language/scriptengine.h
index 68455c44e..05f4f519f 100644
--- a/src/lib/corelib/language/scriptengine.h
+++ b/src/lib/corelib/language/scriptengine.h
@@ -97,7 +97,7 @@ class QBS_AUTOTEST_EXPORT ScriptEngine : public QScriptEngine
 {
     Q_OBJECT
 public:
-    ScriptEngine(Logger &logger, EvalContext evalContext, QObject *parent = 0);
+    ScriptEngine(Logger &logger, EvalContext evalContext, QObject *parent = nullptr);
     ~ScriptEngine();
 
     Logger &logger() const { return m_logger; }
diff --git a/src/lib/corelib/language/value.cpp b/src/lib/corelib/language/value.cpp
index 8c3dea32c..69f7836d2 100644
--- a/src/lib/corelib/language/value.cpp
+++ b/src/lib/corelib/language/value.cpp
@@ -49,7 +49,7 @@ namespace qbs {
 namespace Internal {
 
 Value::Value(Type t, bool createdByPropertiesBlock)
-    : m_type(t), m_definingItem(0), m_createdByPropertiesBlock(createdByPropertiesBlock)
+    : m_type(t), m_definingItem(nullptr), m_createdByPropertiesBlock(createdByPropertiesBlock)
 {
 }
 
diff --git a/src/lib/corelib/parser/qmlerror.cpp b/src/lib/corelib/parser/qmlerror.cpp
index 6556ba8a5..c6fd2e27c 100644
--- a/src/lib/corelib/parser/qmlerror.cpp
+++ b/src/lib/corelib/parser/qmlerror.cpp
@@ -94,7 +94,7 @@ QmlErrorPrivate::QmlErrorPrivate()
     Creates an empty error object.
 */
 QmlError::QmlError()
-: d(0)
+: d(nullptr)
 {
 }
 
@@ -102,7 +102,7 @@ QmlError::QmlError()
     Creates a copy of \a other.
 */
 QmlError::QmlError(const QmlError &other)
-: d(0)
+: d(nullptr)
 {
     *this = other;
 }
@@ -114,7 +114,7 @@ QmlError &QmlError::operator=(const QmlError &other)
 {
     if (!other.d) {
         delete d;
-        d = 0;
+        d = nullptr;
     } else {
         if (!d) d = new QmlErrorPrivate;
         d->url = other.d->url;
@@ -130,7 +130,7 @@ QmlError &QmlError::operator=(const QmlError &other)
 */
 QmlError::~QmlError()
 {
-    delete d; d = 0;
+    delete d; d = nullptr;
 }
 
 /*!
@@ -138,7 +138,7 @@ QmlError::~QmlError()
 */
 bool QmlError::isValid() const
 {
-    return d != 0;
+    return d != nullptr;
 }
 
 /*!
diff --git a/src/lib/corelib/parser/qmljsast.cpp b/src/lib/corelib/parser/qmljsast.cpp
index 1d0d87b2e..8c87f80b2 100644
--- a/src/lib/corelib/parser/qmljsast.cpp
+++ b/src/lib/corelib/parser/qmljsast.cpp
@@ -60,22 +60,22 @@ void Node::accept(Node *node, Visitor *visitor)
 
 ExpressionNode *Node::expressionCast()
 {
-    return 0;
+    return nullptr;
 }
 
 BinaryExpression *Node::binaryExpressionCast()
 {
-    return 0;
+    return nullptr;
 }
 
 Statement *Node::statementCast()
 {
-    return 0;
+    return nullptr;
 }
 
 UiObjectMember *Node::uiObjectMemberCast()
 {
-    return 0;
+    return nullptr;
 }
 
 ExpressionNode *ExpressionNode::expressionCast()
diff --git a/src/lib/corelib/parser/qmljsast_p.h b/src/lib/corelib/parser/qmljsast_p.h
index 072c77521..d7b627a4b 100644
--- a/src/lib/corelib/parser/qmljsast_p.h
+++ b/src/lib/corelib/parser/qmljsast_p.h
@@ -110,10 +110,10 @@ namespace AST {
 template <typename _T1, typename _T2>
 _T1 cast(_T2 *ast)
 {
-    if (ast && ast->kind == static_cast<_T1>(0)->K)
+    if (ast && ast->kind == static_cast<_T1>(nullptr)->K)
         return static_cast<_T1>(ast);
 
-    return 0;
+    return nullptr;
 }
 
 class QML_PARSER_EXPORT Node: public Managed
@@ -448,11 +448,11 @@ public:
     QMLJS_DECLARE_AST_NODE(ArrayLiteral)
 
     ArrayLiteral(Elision *e):
-        elements (0), elision (e)
+        elements (nullptr), elision (e)
         { kind = K; }
 
     ArrayLiteral(ElementList *elts):
-        elements (elts), elision (0)
+        elements (elts), elision (nullptr)
         { kind = K; }
 
     ArrayLiteral(ElementList *elts, Elision *e):
@@ -481,7 +481,7 @@ public:
     QMLJS_DECLARE_AST_NODE(ObjectLiteral)
 
     ObjectLiteral():
-        properties (0) { kind = K; }
+        properties (nullptr) { kind = K; }
 
     ObjectLiteral(PropertyNameAndValueList *plist):
         properties (plist) { kind = K; }
@@ -526,7 +526,7 @@ public:
     inline Elision *finish ()
     {
         Elision *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -555,7 +555,7 @@ public:
     inline ElementList *finish ()
     {
         ElementList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -631,7 +631,7 @@ public:
     inline PropertyNameAndValueList *finish ()
     {
         PropertyNameAndValueList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -835,7 +835,7 @@ public:
     inline ArgumentList *finish ()
     {
         ArgumentList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -1199,7 +1199,7 @@ public:
     inline StatementList *finish ()
     {
         StatementList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -1287,10 +1287,10 @@ public:
     inline VariableDeclarationList *finish (bool readOnly)
     {
         VariableDeclarationList *front = next;
-        next = 0;
+        next = nullptr;
         if (readOnly) {
             VariableDeclarationList *vdl;
-            for (vdl = front; vdl != 0; vdl = vdl->next)
+            for (vdl = front; vdl != nullptr; vdl = vdl->next)
                 vdl->declaration->readOnly = true;
         }
         return front;
@@ -1735,7 +1735,7 @@ public:
     inline CaseClauses *finish ()
     {
         CaseClauses *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -1871,11 +1871,11 @@ public:
         { kind = K; }
 
     TryStatement(Statement *stmt, Finally *f):
-        statement (stmt), catchExpression (0), finallyExpression (f)
+        statement (stmt), catchExpression (nullptr), finallyExpression (f)
         { kind = K; }
 
     TryStatement(Statement *stmt, Catch *c):
-        statement (stmt), catchExpression (c), finallyExpression (0)
+        statement (stmt), catchExpression (c), finallyExpression (nullptr)
         { kind = K; }
 
     virtual void accept0(Visitor *visitor);
@@ -1969,7 +1969,7 @@ public:
     inline FormalParameterList *finish ()
     {
         FormalParameterList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -2017,7 +2017,7 @@ public:
     inline SourceElements *finish ()
     {
         SourceElements *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -2151,7 +2151,7 @@ public:
     UiQualifiedId *finish()
     {
         UiQualifiedId *head = next;
-        next = 0;
+        next = nullptr;
         return head;
     }
 
@@ -2175,7 +2175,7 @@ public:
     QMLJS_DECLARE_AST_NODE(UiImport)
 
     UiImport(const QStringRef &fileName)
-        : fileName(fileName), importUri(0)
+        : fileName(fileName), importUri(nullptr)
     { kind = K; }
 
     UiImport(UiQualifiedId *uri)
@@ -2223,7 +2223,7 @@ public:
     UiImportList *finish()
     {
         UiImportList *head = next;
-        next = 0;
+        next = nullptr;
         return head;
     }
 
@@ -2277,7 +2277,7 @@ public:
     UiObjectMemberList *finish()
     {
         UiObjectMemberList *head = next;
-        next = 0;
+        next = nullptr;
         return head;
     }
 
@@ -2348,7 +2348,7 @@ public:
     UiArrayMemberList *finish()
     {
         UiArrayMemberList *head = next;
-        next = 0;
+        next = nullptr;
         return head;
     }
 
@@ -2409,7 +2409,7 @@ public:
     inline UiParameterList *finish ()
     {
         UiParameterList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -2429,13 +2429,13 @@ public:
 
     UiPublicMember(const QStringRef &memberType,
                    const QStringRef &name)
-        : type(Property), memberType(memberType), name(name), statement(0), binding(0), isDefaultMember(false), isReadonlyMember(false), parameters(0)
+        : type(Property), memberType(memberType), name(name), statement(nullptr), binding(nullptr), isDefaultMember(false), isReadonlyMember(false), parameters(nullptr)
     { kind = K; }
 
     UiPublicMember(const QStringRef &memberType,
                    const QStringRef &name,
                    Statement *statement)
-        : type(Property), memberType(memberType), name(name), statement(statement), binding(0), isDefaultMember(false), isReadonlyMember(false), parameters(0)
+        : type(Property), memberType(memberType), name(name), statement(statement), binding(nullptr), isDefaultMember(false), isReadonlyMember(false), parameters(nullptr)
     { kind = K; }
 
     virtual void accept0(Visitor *visitor);
diff --git a/src/lib/corelib/parser/qmljsengine_p.cpp b/src/lib/corelib/parser/qmljsengine_p.cpp
index 8a7b9dbc8..211743190 100644
--- a/src/lib/corelib/parser/qmljsengine_p.cpp
+++ b/src/lib/corelib/parser/qmljsengine_p.cpp
@@ -118,7 +118,7 @@ double integerFromString(const QString &str, int radix)
 
 
 Engine::Engine()
-    : _lexer(0), _directives(0)
+    : _lexer(nullptr), _directives(nullptr)
 { }
 
 Engine::~Engine()
diff --git a/src/lib/corelib/parser/qmljslexer.cpp b/src/lib/corelib/parser/qmljslexer.cpp
index 43c52a474..2c96aa8cf 100644
--- a/src/lib/corelib/parser/qmljslexer.cpp
+++ b/src/lib/corelib/parser/qmljslexer.cpp
@@ -84,10 +84,10 @@ static QChar convertUnicode(QChar c1, QChar c2, QChar c3, QChar c4)
 
 Lexer::Lexer(Engine *engine)
     : _engine(engine)
-    , _codePtr(0)
-    , _lastLinePtr(0)
-    , _tokenLinePtr(0)
-    , _tokenStartPtr(0)
+    , _codePtr(nullptr)
+    , _lastLinePtr(nullptr)
+    , _tokenLinePtr(nullptr)
+    , _tokenStartPtr(nullptr)
     , _char(QLatin1Char('\n'))
     , _errorCode(NoError)
     , _currentLineNumber(0)
@@ -455,7 +455,7 @@ again:
             chars.append('\0');
 
             const char *begin = chars.constData();
-            const char *end = 0;
+            const char *end = nullptr;
             bool ok = false;
 
             _tokenValue = qstrtod(begin, &end, &ok);
@@ -845,7 +845,7 @@ int Lexer::scanNumber(QChar ch)
     chars.append('\0');
 
     const char *begin = chars.constData();
-    const char *end = 0;
+    const char *end = nullptr;
     bool ok = false;
 
     _tokenValue = qstrtod(begin, &end, &ok);
diff --git a/src/lib/corelib/parser/qmljsmemorypool_p.h b/src/lib/corelib/parser/qmljsmemorypool_p.h
index fa16ac409..897348712 100644
--- a/src/lib/corelib/parser/qmljsmemorypool_p.h
+++ b/src/lib/corelib/parser/qmljsmemorypool_p.h
@@ -68,11 +68,11 @@ class QML_PARSER_EXPORT MemoryPool : public QSharedData
 
 public:
     MemoryPool()
-        : _blocks(0),
+        : _blocks(nullptr),
           _allocatedBlocks(0),
           _blockCount(-1),
-          _ptr(0),
-          _end(0)
+          _ptr(nullptr),
+          _end(nullptr)
     { }
 
     ~MemoryPool()
@@ -101,7 +101,7 @@ public:
     void reset()
     {
         _blockCount = -1;
-        _ptr = _end = 0;
+        _ptr = _end = nullptr;
     }
 
 private:
@@ -118,7 +118,7 @@ private:
             _blocks = (char **) realloc(_blocks, sizeof(char *) * _allocatedBlocks);
 
             for (int index = _blockCount; index < _allocatedBlocks; ++index)
-                _blocks[index] = 0;
+                _blocks[index] = nullptr;
         }
 
         char *&block = _blocks[_blockCount];
diff --git a/src/lib/corelib/parser/qmljsparser.cpp b/src/lib/corelib/parser/qmljsparser.cpp
index 963631b7d..10be751a8 100644
--- a/src/lib/corelib/parser/qmljsparser.cpp
+++ b/src/lib/corelib/parser/qmljsparser.cpp
@@ -77,13 +77,13 @@ Parser::Parser(Engine *engine):
     pool(engine->pool()),
     tos(0),
     stack_size(0),
-    sym_stack(0),
-    state_stack(0),
-    location_stack(0),
-    string_stack(0),
-    program(0),
-    first_token(0),
-    last_token(0)
+    sym_stack(nullptr),
+    state_stack(nullptr),
+    location_stack(nullptr),
+    string_stack(nullptr),
+    program(nullptr),
+    first_token(nullptr),
+    last_token(nullptr)
 {
 }
 
@@ -132,7 +132,7 @@ AST::UiQualifiedId *Parser::reparseAsQualifiedId(AST::ExpressionNode *expr)
         return currentId->finish();
     }
 
-    return 0;
+    return nullptr;
 }
 
 bool Parser::parse(int startToken)
@@ -160,7 +160,7 @@ bool Parser::parse(int startToken)
     }
 
     tos = -1;
-    program = 0;
+    program = nullptr;
 
     do {
         if (++tos == stack_size)
@@ -275,7 +275,7 @@ case 19: {
 } break;
 
 case 20: {
-    AST::UiImport *node = 0;
+    AST::UiImport *node = nullptr;
 
     if (AST::StringLiteral *importIdLiteral = AST::cast<AST::StringLiteral *>(sym(2).Expression)) {
         node = new (pool) AST::UiImport(importIdLiteral->value);
@@ -298,7 +298,7 @@ case 20: {
 } break;
 
 case 21: {
-    sym(1).Node = 0;
+    sym(1).Node = nullptr;
 } break;
 
 case 22: {
@@ -379,7 +379,7 @@ case 41:
 }   break;
 
 case 45: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 46: {
@@ -497,7 +497,7 @@ case 62: {
 
     AST::UiQualifiedId *propertyName = new (pool) AST::UiQualifiedId(stringRef(6));
     propertyName->identifierToken = loc(6);
-    propertyName->next = 0;
+    propertyName->next = nullptr;
 
     AST::UiArrayBinding *binding = new (pool) AST::UiArrayBinding(
         propertyName, sym(9).UiArrayMemberList->finish());
@@ -519,7 +519,7 @@ case 63: {
 
     AST::UiQualifiedId *propertyName = new (pool) AST::UiQualifiedId(stringRef(3));
     propertyName->identifierToken = loc(3);
-    propertyName->next = 0;
+    propertyName->next = nullptr;
 
     AST::UiObjectBinding *binding = new (pool) AST::UiObjectBinding(
       propertyName, sym(5).UiQualifiedId, sym(6).UiObjectInitializer);
@@ -652,7 +652,7 @@ case 85: {
 } break;
 
 case 86: {
-  AST::ObjectLiteral *node = 0;
+  AST::ObjectLiteral *node = nullptr;
   if (sym(2).Node)
     node = new (pool) AST::ObjectLiteral(
         sym(2).PropertyNameAndValueList->finish ());
@@ -689,7 +689,7 @@ case 89: {
   if (AST::UiQualifiedId *qualifiedId = reparseAsQualifiedId(sym(1).Expression)) {
     sym(1).UiQualifiedId = qualifiedId;
   } else {
-    sym(1).UiQualifiedId = 0;
+    sym(1).UiQualifiedId = nullptr;
 
     diagnostic_messages.append(DiagnosticMessage(DiagnosticMessage::Error, loc(1),
       QLatin1String("Expected a qualified name id")));
@@ -834,7 +834,7 @@ case 147: {
 } break;
 
 case 148: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 149: {
@@ -1261,7 +1261,7 @@ case 242: {
 } break;
 
 case 243: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 246: {
@@ -1271,7 +1271,7 @@ case 246: {
 } break;
 
 case 247: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 264: {
@@ -1290,7 +1290,7 @@ case 266: {
 } break;
 
 case 267: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 268: {
@@ -1350,7 +1350,7 @@ case 279: {
 } break;
 
 case 280: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 282: {
@@ -1359,7 +1359,7 @@ case 282: {
 } break;
 
 case 283: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 285: {
@@ -1530,7 +1530,7 @@ case 312: {
 } break;
 
 case 313: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 314: {
@@ -1649,7 +1649,7 @@ case 332: {
 } break;
 
 case 333: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 334: {
@@ -1657,7 +1657,7 @@ case 334: {
 } break;
 
 case 335: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 337: {
@@ -1689,7 +1689,7 @@ case 344: {
 } break;
 
 case 346: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
             } // switch
diff --git a/src/lib/corelib/parser/qmljsparser_p.h b/src/lib/corelib/parser/qmljsparser_p.h
index fde61ea11..05e22074b 100644
--- a/src/lib/corelib/parser/qmljsparser_p.h
+++ b/src/lib/corelib/parser/qmljsparser_p.h
@@ -134,7 +134,7 @@ public:
     AST::Statement *statement() const
     {
         if (! program)
-            return 0;
+            return nullptr;
 
         return program->statementCast();
     }
@@ -142,7 +142,7 @@ public:
     AST::ExpressionNode *expression() const
     {
         if (! program)
-            return 0;
+            return nullptr;
 
         return program->expressionCast();
     }
@@ -150,7 +150,7 @@ public:
     AST::UiObjectMember *uiObjectMember() const
     {
         if (! program)
-            return 0;
+            return nullptr;
 
         return program->uiObjectMemberCast();
     }
diff --git a/src/lib/corelib/tools/id.cpp b/src/lib/corelib/tools/id.cpp
index e2e0cf5f5..66c5f85d7 100644
--- a/src/lib/corelib/tools/id.cpp
+++ b/src/lib/corelib/tools/id.cpp
@@ -69,7 +69,7 @@ class StringHolder
 {
 public:
     StringHolder()
-        : n(0), str(0)
+        : n(0), str(nullptr)
     {}
 
     StringHolder(const char *s, int length)
diff --git a/src/lib/corelib/tools/persistence.cpp b/src/lib/corelib/tools/persistence.cpp
index dd1265f92..2dc7ab30a 100644
--- a/src/lib/corelib/tools/persistence.cpp
+++ b/src/lib/corelib/tools/persistence.cpp
@@ -142,7 +142,7 @@ void PersistentPool::finalizeWriteStream()
 void PersistentPool::closeStream()
 {
     delete m_stream.device();
-    m_stream.setDevice(0);
+    m_stream.setDevice(nullptr);
 }
 
 void PersistentPool::storePersistentObject(const PersistentObject *object)
diff --git a/src/lib/corelib/tools/persistence.h b/src/lib/corelib/tools/persistence.h
index 847ded5cb..cbabd828f 100644
--- a/src/lib/corelib/tools/persistence.h
+++ b/src/lib/corelib/tools/persistence.h
@@ -136,7 +136,7 @@ template <typename T> inline T *PersistentPool::idLoad()
     m_stream >> id;
 
     if (id < 0)
-        return 0;
+        return nullptr;
 
     if (id < static_cast<PersistentObjectId>(m_loadedRaw.size())) {
         PersistentObject *obj = m_loadedRaw.at(id);
@@ -146,7 +146,7 @@ template <typename T> inline T *PersistentPool::idLoad()
     auto i = m_loadedRaw.size();
     m_loadedRaw.resize(id + 1);
     for (; i < m_loadedRaw.size(); ++i)
-        m_loadedRaw[i] = 0;
+        m_loadedRaw[i] = nullptr;
 
     T * const t = new T;
     PersistentObject * const po = t;
diff --git a/src/lib/corelib/tools/profiling.cpp b/src/lib/corelib/tools/profiling.cpp
index 18ce2322d..2f92658d7 100644
--- a/src/lib/corelib/tools/profiling.cpp
+++ b/src/lib/corelib/tools/profiling.cpp
@@ -57,7 +57,7 @@ public:
 
 TimedActivityLogger::TimedActivityLogger(const Logger &logger, const QString &activity,
         bool enabled)
-    : d(0)
+    : d(nullptr)
 {
     if (!enabled)
         return;
@@ -76,7 +76,7 @@ void TimedActivityLogger::finishActivity()
     d->logger.qbsLog(LoggerInfo, true)
             << Tr::tr("Activity '%2' took %3.").arg(d->activity, timeString);
     delete d;
-    d = 0;
+    d = nullptr;
 }
 
 TimedActivityLogger::~TimedActivityLogger()
diff --git a/src/lib/corelib/tools/qbsprocess.h b/src/lib/corelib/tools/qbsprocess.h
index 9d2343010..07f344e8a 100644
--- a/src/lib/corelib/tools/qbsprocess.h
+++ b/src/lib/corelib/tools/qbsprocess.h
@@ -54,7 +54,7 @@ class QbsProcess : public QObject
 {
     Q_OBJECT
 public:
-    explicit QbsProcess(QObject *parent = 0);
+    explicit QbsProcess(QObject *parent = nullptr);
 
     QProcess::ProcessState state() const { return m_state; }
     void setProcessEnvironment(const QProcessEnvironment &env) { m_environment = env; }
diff --git a/src/lib/corelib/tools/scannerpluginmanager.cpp b/src/lib/corelib/tools/scannerpluginmanager.cpp
index eaa70ec36..55fed81c0 100644
--- a/src/lib/corelib/tools/scannerpluginmanager.cpp
+++ b/src/lib/corelib/tools/scannerpluginmanager.cpp
@@ -61,7 +61,7 @@ QList<ScannerPlugin *> ScannerPluginManager::scannersForFileTag(const FileTag &f
 
 void ScannerPluginManager::registerPlugins(ScannerPlugin **plugins)
 {
-    for (int i = 0; plugins[i] != 0; ++i) {
+    for (int i = 0; plugins[i] != nullptr; ++i) {
         const FileTags &fileTags = FileTags::fromStringList(
                     QString::fromLatin1(plugins[i]->fileTags).split(QLatin1Char(',')));
         for (const FileTag &tag : fileTags)
diff --git a/src/lib/corelib/tools/settingsmodel.cpp b/src/lib/corelib/tools/settingsmodel.cpp
index 4562de906..b175211a1 100644
--- a/src/lib/corelib/tools/settingsmodel.cpp
+++ b/src/lib/corelib/tools/settingsmodel.cpp
@@ -60,7 +60,7 @@ namespace Internal {
 
 struct Node
 {
-    Node() : parent(0), isFromSettings(true) {}
+    Node() : parent(nullptr), isFromSettings(true) {}
     ~Node() { qDeleteAll(children); }
 
     QString uniqueChildName() const;
@@ -279,7 +279,7 @@ bool SettingsModel::setData(const QModelIndex &index, const QVariant &value, int
     if (!node)
         return false;
     const QString valueString = value.toString();
-    QString *toChange = 0;
+    QString *toChange = nullptr;
     if (index.column() == keyColumn() && !valueString.isEmpty()
             && !node->parent->hasDirectChildWithName(valueString)
             && !(node->parent->parent == &d->rootNode
@@ -358,7 +358,7 @@ void SettingsModel::SettingsModelPrivate::addNodeFromSettings(Node *parentNode,
 void SettingsModel::SettingsModelPrivate::addNode(qbs::Internal::Node *parentNode,
         const QString &currentNamePart, const QStringList &restOfName, const QVariant &value)
 {
-    Node *currentNode = 0;
+    Node *currentNode = nullptr;
     for (Node * const n : qAsConst(parentNode->children)) {
         if (n->name == currentNamePart) {
             currentNode = n;
diff --git a/src/lib/corelib/tools/settingsmodel.h b/src/lib/corelib/tools/settingsmodel.h
index 8628bf77d..94f163438 100644
--- a/src/lib/corelib/tools/settingsmodel.h
+++ b/src/lib/corelib/tools/settingsmodel.h
@@ -51,7 +51,7 @@ class QBS_EXPORT SettingsModel : public QAbstractItemModel
 {
     Q_OBJECT
 public:
-    SettingsModel(const QString &settingsDir, QObject *parent = 0);
+    SettingsModel(const QString &settingsDir, QObject *parent = nullptr);
     ~SettingsModel();
 
     int keyColumn() const { return 0; }
diff --git a/src/lib/corelib/tools/vsenvironmentdetector.cpp b/src/lib/corelib/tools/vsenvironmentdetector.cpp
index 16cdc3110..fd5feecc9 100644
--- a/src/lib/corelib/tools/vsenvironmentdetector.cpp
+++ b/src/lib/corelib/tools/vsenvironmentdetector.cpp
@@ -233,7 +233,7 @@ void VsEnvironmentDetector::writeBatchFile(QIODevice *device, const QString &vcv
 void VsEnvironmentDetector::parseBatOutput(const QByteArray &output, std::vector<MSVC *> msvcs)
 {
     QString arch;
-    QProcessEnvironment *targetEnv = 0;
+    QProcessEnvironment *targetEnv = nullptr;
     for (QByteArray line : output.split('\n')) {
         line = line.trimmed();
         if (line.isEmpty())
diff --git a/src/plugins/generator/visualstudio/msbuild/imsbuildgroup.h b/src/plugins/generator/visualstudio/msbuild/imsbuildgroup.h
index b57011e13..848c855ef 100644
--- a/src/plugins/generator/visualstudio/msbuild/imsbuildgroup.h
+++ b/src/plugins/generator/visualstudio/msbuild/imsbuildgroup.h
@@ -44,7 +44,7 @@ class IMSBuildGroup : public QObject
 {
     Q_OBJECT
 public:
-    explicit IMSBuildGroup(MSBuildProject *parent = 0);
+    explicit IMSBuildGroup(MSBuildProject *parent = nullptr);
     virtual ~IMSBuildGroup();
 
     QString condition() const;
@@ -58,7 +58,7 @@ class IMSBuildItemGroup : public IMSBuildGroup
 {
     Q_OBJECT
 public:
-    explicit IMSBuildItemGroup(MSBuildProject *parent = 0);
+    explicit IMSBuildItemGroup(MSBuildProject *parent = nullptr);
 };
 
 } // namespace qbs
diff --git a/src/plugins/generator/visualstudio/msbuild/imsbuildproperty.h b/src/plugins/generator/visualstudio/msbuild/imsbuildproperty.h
index a6032c729..2e9405dfa 100644
--- a/src/plugins/generator/visualstudio/msbuild/imsbuildproperty.h
+++ b/src/plugins/generator/visualstudio/msbuild/imsbuildproperty.h
@@ -44,7 +44,7 @@ class IMSBuildProperty : public QObject
 {
     Q_OBJECT
 protected:
-    explicit IMSBuildProperty(QObject *parent = 0);
+    explicit IMSBuildProperty(QObject *parent = nullptr);
 
 public:
     virtual ~IMSBuildProperty();
diff --git a/src/plugins/generator/visualstudio/msbuild/items/msbuildclcompile.h b/src/plugins/generator/visualstudio/msbuild/items/msbuildclcompile.h
index 745c3ed7f..8c326a036 100644
--- a/src/plugins/generator/visualstudio/msbuild/items/msbuildclcompile.h
+++ b/src/plugins/generator/visualstudio/msbuild/items/msbuildclcompile.h
@@ -40,7 +40,7 @@ class MSBuildClCompile : public MSBuildFileItem
     Q_OBJECT
     Q_DISABLE_COPY(MSBuildClCompile)
 public:
-    explicit MSBuildClCompile(IMSBuildItemGroup *parent = 0);
+    explicit MSBuildClCompile(IMSBuildItemGroup *parent = nullptr);
 };
 
 } // namespace qbs
diff --git a/src/plugins/generator/visualstudio/msbuild/items/msbuildclinclude.h b/src/plugins/generator/visualstudio/msbuild/items/msbuildclinclude.h
index cfe31022f..77d8e0ff2 100644
--- a/src/plugins/generator/visualstudio/msbuild/items/msbuildclinclude.h
+++ b/src/plugins/generator/visualstudio/msbuild/items/msbuildclinclude.h
@@ -40,7 +40,7 @@ class MSBuildClInclude : public MSBuildFileItem
     Q_OBJECT
     Q_DISABLE_COPY(MSBuildClInclude)
 public:
-    explicit MSBuildClInclude(IMSBuildItemGroup *parent = 0);
+    explicit MSBuildClInclude(IMSBuildItemGroup *parent = nullptr);
 };
 
 } // namespace qbs
diff --git a/src/plugins/generator/visualstudio/msbuild/items/msbuildfileitem.h b/src/plugins/generator/visualstudio/msbuild/items/msbuildfileitem.h
index 820fc7f42..df1fc8201 100644
--- a/src/plugins/generator/visualstudio/msbuild/items/msbuildfileitem.h
+++ b/src/plugins/generator/visualstudio/msbuild/items/msbuildfileitem.h
@@ -49,7 +49,7 @@ public:
     void setFilterName(const QString &filterName);
 
 protected:
-    explicit MSBuildFileItem(const QString &name, IMSBuildItemGroup *parent = 0);
+    explicit MSBuildFileItem(const QString &name, IMSBuildItemGroup *parent = nullptr);
 
 private:
     std::unique_ptr<MSBuildFileItemPrivate> d;
diff --git a/src/plugins/generator/visualstudio/msbuild/items/msbuildfilter.h b/src/plugins/generator/visualstudio/msbuild/items/msbuildfilter.h
index a47b1a85c..59be8d5fe 100644
--- a/src/plugins/generator/visualstudio/msbuild/items/msbuildfilter.h
+++ b/src/plugins/generator/visualstudio/msbuild/items/msbuildfilter.h
@@ -42,9 +42,9 @@ class MSBuildFilter : public MSBuildItem
 {
     Q_OBJECT
 public:
-    explicit MSBuildFilter(IMSBuildItemGroup *parent = 0);
+    explicit MSBuildFilter(IMSBuildItemGroup *parent = nullptr);
     MSBuildFilter(const QString &name, const QList<QString> &extensions,
-                  IMSBuildItemGroup *parent = 0);
+                  IMSBuildItemGroup *parent = nullptr);
     ~MSBuildFilter();
 
     QUuid identifier() const;
diff --git a/src/plugins/generator/visualstudio/msbuild/items/msbuildlink.h b/src/plugins/generator/visualstudio/msbuild/items/msbuildlink.h
index caf125440..3d7a3ab44 100644
--- a/src/plugins/generator/visualstudio/msbuild/items/msbuildlink.h
+++ b/src/plugins/generator/visualstudio/msbuild/items/msbuildlink.h
@@ -41,7 +41,7 @@ class MSBuildLink : public MSBuildItem
 {
     Q_OBJECT
 public:
-    explicit MSBuildLink(IMSBuildItemGroup *parent = 0);
+    explicit MSBuildLink(IMSBuildItemGroup *parent = nullptr);
 };
 
 } // namespace qbs
diff --git a/src/plugins/generator/visualstudio/msbuild/items/msbuildnone.h b/src/plugins/generator/visualstudio/msbuild/items/msbuildnone.h
index 98dac7a76..3779da04f 100644
--- a/src/plugins/generator/visualstudio/msbuild/items/msbuildnone.h
+++ b/src/plugins/generator/visualstudio/msbuild/items/msbuildnone.h
@@ -40,7 +40,7 @@ class MSBuildNone : public MSBuildFileItem
     Q_OBJECT
     Q_DISABLE_COPY(MSBuildNone)
 public:
-    explicit MSBuildNone(IMSBuildItemGroup *parent = 0);
+    explicit MSBuildNone(IMSBuildItemGroup *parent = nullptr);
 };
 
 } // namespace qbs
diff --git a/src/plugins/generator/visualstudio/msbuild/msbuildimportgroup.h b/src/plugins/generator/visualstudio/msbuild/msbuildimportgroup.h
index ec306886a..829f5dd08 100644
--- a/src/plugins/generator/visualstudio/msbuild/msbuildimportgroup.h
+++ b/src/plugins/generator/visualstudio/msbuild/msbuildimportgroup.h
@@ -49,7 +49,7 @@ class MSBuildImportGroup : public IMSBuildGroup, public IMSBuildNode
     Q_OBJECT
     Q_DISABLE_COPY(MSBuildImportGroup)
 public:
-    explicit MSBuildImportGroup(MSBuildProject *parent = 0);
+    explicit MSBuildImportGroup(MSBuildProject *parent = nullptr);
     virtual ~MSBuildImportGroup();
 
     QString label() const;
diff --git a/src/plugins/generator/visualstudio/msbuild/msbuilditem.h b/src/plugins/generator/visualstudio/msbuild/msbuilditem.h
index ee4b53888..48c07f9e7 100644
--- a/src/plugins/generator/visualstudio/msbuild/msbuilditem.h
+++ b/src/plugins/generator/visualstudio/msbuild/msbuilditem.h
@@ -52,7 +52,7 @@ class MSBuildItem : public QObject, public IMSBuildNode
 {
     Q_OBJECT
 public:
-    explicit MSBuildItem(const QString &name, IMSBuildItemGroup *parent = 0);
+    explicit MSBuildItem(const QString &name, IMSBuildItemGroup *parent = nullptr);
     virtual ~MSBuildItem();
 
     QString name() const;
diff --git a/src/plugins/generator/visualstudio/msbuild/msbuilditemdefinitiongroup.h b/src/plugins/generator/visualstudio/msbuild/msbuilditemdefinitiongroup.h
index a96f0fff8..4fb95c4c6 100644
--- a/src/plugins/generator/visualstudio/msbuild/msbuilditemdefinitiongroup.h
+++ b/src/plugins/generator/visualstudio/msbuild/msbuilditemdefinitiongroup.h
@@ -48,7 +48,7 @@ class MSBuildItemDefinitionGroup : public IMSBuildItemGroup, public IMSBuildNode
 {
     Q_OBJECT
 public:
-    explicit MSBuildItemDefinitionGroup(MSBuildProject *parent = 0);
+    explicit MSBuildItemDefinitionGroup(MSBuildProject *parent = nullptr);
     ~MSBuildItemDefinitionGroup();
 
     void accept(IMSBuildNodeVisitor *visitor) const;
diff --git a/src/plugins/generator/visualstudio/msbuild/msbuilditemgroup.h b/src/plugins/generator/visualstudio/msbuild/msbuilditemgroup.h
index 74ce4168c..a77e55e57 100644
--- a/src/plugins/generator/visualstudio/msbuild/msbuilditemgroup.h
+++ b/src/plugins/generator/visualstudio/msbuild/msbuilditemgroup.h
@@ -51,7 +51,7 @@ class MSBuildItemGroup : public IMSBuildItemGroup, public IMSBuildNode
     Q_OBJECT
     Q_DISABLE_COPY(MSBuildItemGroup)
 public:
-    explicit MSBuildItemGroup(MSBuildProject *parent = 0);
+    explicit MSBuildItemGroup(MSBuildProject *parent = nullptr);
     ~MSBuildItemGroup();
 
     QString label() const;
diff --git a/src/plugins/generator/visualstudio/msbuild/msbuilditemmetadata.h b/src/plugins/generator/visualstudio/msbuild/msbuilditemmetadata.h
index 7a42f1736..f1768b286 100644
--- a/src/plugins/generator/visualstudio/msbuild/msbuilditemmetadata.h
+++ b/src/plugins/generator/visualstudio/msbuild/msbuilditemmetadata.h
@@ -48,9 +48,9 @@ class MSBuildItemMetadata : public IMSBuildProperty, public IMSBuildNode
     Q_OBJECT
     Q_DISABLE_COPY(MSBuildItemMetadata)
 public:
-    explicit MSBuildItemMetadata(MSBuildItem *parent = 0);
+    explicit MSBuildItemMetadata(MSBuildItem *parent = nullptr);
     MSBuildItemMetadata(const QString &name, const QVariant &value = QVariant(),
-                        MSBuildItem *parent = 0);
+                        MSBuildItem *parent = nullptr);
 
     void accept(IMSBuildNodeVisitor *visitor) const;
 };
diff --git a/src/plugins/generator/visualstudio/msbuild/msbuildproject.h b/src/plugins/generator/visualstudio/msbuild/msbuildproject.h
index 00e28bcf8..820c0ecbd 100644
--- a/src/plugins/generator/visualstudio/msbuild/msbuildproject.h
+++ b/src/plugins/generator/visualstudio/msbuild/msbuildproject.h
@@ -50,7 +50,7 @@ class MSBuildProject : public QObject, public IMSBuildNode
     Q_OBJECT
     Q_DISABLE_COPY(MSBuildProject)
 public:
-    explicit MSBuildProject(QObject *parent = 0);
+    explicit MSBuildProject(QObject *parent = nullptr);
     ~MSBuildProject();
 
     QString defaultTargets() const;
diff --git a/src/plugins/generator/visualstudio/msbuild/msbuildproperty.h b/src/plugins/generator/visualstudio/msbuild/msbuildproperty.h
index 310fcc044..f1382406c 100644
--- a/src/plugins/generator/visualstudio/msbuild/msbuildproperty.h
+++ b/src/plugins/generator/visualstudio/msbuild/msbuildproperty.h
@@ -47,9 +47,9 @@ class MSBuildProperty : public IMSBuildProperty, public IMSBuildNode
 {
     Q_OBJECT
 public:
-    explicit MSBuildProperty(MSBuildPropertyGroup *parent = 0);
+    explicit MSBuildProperty(MSBuildPropertyGroup *parent = nullptr);
     MSBuildProperty(const QString &name, const QVariant &value = QVariant(),
-                    MSBuildPropertyGroup *parent = 0);
+                    MSBuildPropertyGroup *parent = nullptr);
 
     void accept(IMSBuildNodeVisitor *visitor) const;
 };
diff --git a/src/plugins/generator/visualstudio/msbuild/msbuildpropertygroup.h b/src/plugins/generator/visualstudio/msbuild/msbuildpropertygroup.h
index 6617a4a59..c3289457c 100644
--- a/src/plugins/generator/visualstudio/msbuild/msbuildpropertygroup.h
+++ b/src/plugins/generator/visualstudio/msbuild/msbuildpropertygroup.h
@@ -49,7 +49,7 @@ class MSBuildPropertyGroup : public IMSBuildGroup, public IMSBuildNode
     Q_OBJECT
     Q_DISABLE_COPY(MSBuildPropertyGroup)
 public:
-    explicit MSBuildPropertyGroup(MSBuildProject *parent = 0);
+    explicit MSBuildPropertyGroup(MSBuildProject *parent = nullptr);
     ~MSBuildPropertyGroup();
 
     QString label() const;
diff --git a/src/plugins/generator/visualstudio/msbuildfiltersproject.cpp b/src/plugins/generator/visualstudio/msbuildfiltersproject.cpp
index 45a09236a..0897c929e 100644
--- a/src/plugins/generator/visualstudio/msbuildfiltersproject.cpp
+++ b/src/plugins/generator/visualstudio/msbuildfiltersproject.cpp
@@ -73,7 +73,7 @@ static QStringList headerFileExtensions()
             << QStringLiteral("h++");
 }
 
-static std::vector<MSBuildFilter *> defaultItemGroupFilters(IMSBuildItemGroup *parent = 0)
+static std::vector<MSBuildFilter *> defaultItemGroupFilters(IMSBuildItemGroup *parent = nullptr)
 {
     const auto sourceFilter = new MSBuildFilter(QStringLiteral("Source Files"), sourceFileExtensions(), parent);
     const auto headerFilter = new MSBuildFilter(QStringLiteral("Header Files"), headerFileExtensions(), parent);
diff --git a/src/plugins/generator/visualstudio/msbuildfiltersproject.h b/src/plugins/generator/visualstudio/msbuildfiltersproject.h
index 521a6e610..5d67bfaa8 100644
--- a/src/plugins/generator/visualstudio/msbuildfiltersproject.h
+++ b/src/plugins/generator/visualstudio/msbuildfiltersproject.h
@@ -46,7 +46,7 @@ class MSBuildFiltersProject : public MSBuildProject
     Q_DISABLE_COPY(MSBuildFiltersProject)
 public:
     explicit MSBuildFiltersProject(const GeneratableProductData &product,
-                                   QObject *parent = 0);
+                                   QObject *parent = nullptr);
 };
 
 } // namespace qbs
diff --git a/src/plugins/generator/visualstudio/msbuildqbsgenerateproject.h b/src/plugins/generator/visualstudio/msbuildqbsgenerateproject.h
index 433bd31a1..8c5ef80c4 100644
--- a/src/plugins/generator/visualstudio/msbuildqbsgenerateproject.h
+++ b/src/plugins/generator/visualstudio/msbuildqbsgenerateproject.h
@@ -45,7 +45,7 @@ class MSBuildQbsGenerateProject : public MSBuildTargetProject
 public:
     MSBuildQbsGenerateProject(const GeneratableProject &project,
                               const Internal::VisualStudioVersionInfo &versionInfo,
-                              VisualStudioGenerator *parent = 0);
+                              VisualStudioGenerator *parent = nullptr);
 };
 
 } // namespace qbs
diff --git a/src/plugins/generator/visualstudio/msbuildqbsproductproject.cpp b/src/plugins/generator/visualstudio/msbuildqbsproductproject.cpp
index fc9187ae2..91dc77d77 100644
--- a/src/plugins/generator/visualstudio/msbuildqbsproductproject.cpp
+++ b/src/plugins/generator/visualstudio/msbuildqbsproductproject.cpp
@@ -337,7 +337,7 @@ void MSBuildQbsProductProject::addItemDefGroup(const Project &project,
 }
 
 static MSBuildFileItem *fileItemForFileTags(const QList<QString> &fileTags,
-                                            IMSBuildItemGroup *parent = 0)
+                                            IMSBuildItemGroup *parent = nullptr)
 {
     const auto fileTagsSet = Internal::Set<QString>::fromList(fileTags);
     if (fileTagsSet.intersects(
diff --git a/src/plugins/generator/visualstudio/msbuildqbsproductproject.h b/src/plugins/generator/visualstudio/msbuildqbsproductproject.h
index 7fb9e2a39..4d386508f 100644
--- a/src/plugins/generator/visualstudio/msbuildqbsproductproject.h
+++ b/src/plugins/generator/visualstudio/msbuildqbsproductproject.h
@@ -53,7 +53,7 @@ public:
     MSBuildQbsProductProject(const GeneratableProject &project,
                              const GeneratableProductData &product,
                              const Internal::VisualStudioVersionInfo &versionInfo,
-                             VisualStudioGenerator *parent = 0);
+                             VisualStudioGenerator *parent = nullptr);
 
 private:
     typedef QHash<QString, Internal::Set<Project>> ProjectConfigurations;
diff --git a/src/plugins/generator/visualstudio/msbuildtargetproject.h b/src/plugins/generator/visualstudio/msbuildtargetproject.h
index bf7e9f65f..647f0dc91 100644
--- a/src/plugins/generator/visualstudio/msbuildtargetproject.h
+++ b/src/plugins/generator/visualstudio/msbuildtargetproject.h
@@ -50,7 +50,7 @@ class MSBuildTargetProject : public MSBuildProject
 protected:
     MSBuildTargetProject(const GeneratableProject &project,
                          const Internal::VisualStudioVersionInfo &versionInfo,
-                         VisualStudioGenerator *parent = 0);
+                         VisualStudioGenerator *parent = nullptr);
 
 public:
     ~MSBuildTargetProject();
diff --git a/src/plugins/generator/visualstudio/solution/ivisualstudiosolutionproject.h b/src/plugins/generator/visualstudio/solution/ivisualstudiosolutionproject.h
index fecb3f244..b53f39ee1 100644
--- a/src/plugins/generator/visualstudio/solution/ivisualstudiosolutionproject.h
+++ b/src/plugins/generator/visualstudio/solution/ivisualstudiosolutionproject.h
@@ -45,7 +45,7 @@ class IVisualStudioSolutionProject : public QObject
 {
     Q_OBJECT
 protected:
-    explicit IVisualStudioSolutionProject(QObject *parent = 0);
+    explicit IVisualStudioSolutionProject(QObject *parent = nullptr);
 
 public:
     virtual ~IVisualStudioSolutionProject();
diff --git a/src/plugins/generator/visualstudio/solution/visualstudiosolution.h b/src/plugins/generator/visualstudio/solution/visualstudiosolution.h
index 072bdd8f1..67fcbbe01 100644
--- a/src/plugins/generator/visualstudio/solution/visualstudiosolution.h
+++ b/src/plugins/generator/visualstudio/solution/visualstudiosolution.h
@@ -54,7 +54,7 @@ class VisualStudioSolution : public QObject
     Q_DISABLE_COPY(VisualStudioSolution)
 public:
     explicit VisualStudioSolution(const Internal::VisualStudioVersionInfo &versionInfo,
-                                  QObject *parent = 0);
+                                  QObject *parent = nullptr);
     ~VisualStudioSolution();
 
     Internal::VisualStudioVersionInfo versionInfo() const;
diff --git a/src/plugins/generator/visualstudio/solution/visualstudiosolutionfileproject.h b/src/plugins/generator/visualstudio/solution/visualstudiosolutionfileproject.h
index 7d2677e97..22848b8fb 100644
--- a/src/plugins/generator/visualstudio/solution/visualstudiosolutionfileproject.h
+++ b/src/plugins/generator/visualstudio/solution/visualstudiosolutionfileproject.h
@@ -44,7 +44,7 @@ class VisualStudioSolutionFileProject : public IVisualStudioSolutionProject
 {
     Q_OBJECT
 public:
-    explicit VisualStudioSolutionFileProject(const QString &filePath, QObject *parent = 0);
+    explicit VisualStudioSolutionFileProject(const QString &filePath, QObject *parent = nullptr);
     ~VisualStudioSolutionFileProject();
 
     QString name() const override;
diff --git a/src/plugins/generator/visualstudio/solution/visualstudiosolutionglobalsection.h b/src/plugins/generator/visualstudio/solution/visualstudiosolutionglobalsection.h
index 6bcaa517e..3cc8a8702 100644
--- a/src/plugins/generator/visualstudio/solution/visualstudiosolutionglobalsection.h
+++ b/src/plugins/generator/visualstudio/solution/visualstudiosolutionglobalsection.h
@@ -44,7 +44,7 @@ class VisualStudioSolutionGlobalSection : public QObject
     Q_OBJECT
     Q_DISABLE_COPY(VisualStudioSolutionGlobalSection)
 public:
-    explicit VisualStudioSolutionGlobalSection(const QString &name, QObject *parent = 0);
+    explicit VisualStudioSolutionGlobalSection(const QString &name, QObject *parent = nullptr);
     ~VisualStudioSolutionGlobalSection();
 
     QString name() const;
diff --git a/src/plugins/scanner/cpp/Token.cpp b/src/plugins/scanner/cpp/Token.cpp
index ee125652c..f8b017fdb 100644
--- a/src/plugins/scanner/cpp/Token.cpp
+++ b/src/plugins/scanner/cpp/Token.cpp
@@ -114,7 +114,7 @@ static const char *token_names[] = {
 };
 
 Token::Token() :
-    flags(0), offset(0), ptr(0)
+    flags(0), offset(0), ptr(nullptr)
 {
 }
 
@@ -126,7 +126,7 @@ void Token::reset()
 {
     flags = 0;
     offset = 0;
-    ptr = 0;
+    ptr = nullptr;
 }
 
 const char *Token::name(int kind)
diff --git a/src/plugins/scanner/cpp/cppscanner.cpp b/src/plugins/scanner/cpp/cppscanner.cpp
index 9e7b3c690..84bda61b6 100644
--- a/src/plugins/scanner/cpp/cppscanner.cpp
+++ b/src/plugins/scanner/cpp/cppscanner.cpp
@@ -83,7 +83,7 @@ struct Opaq
           fd(0),
           mapl(0),
 #endif
-          fileContent(0),
+          fileContent(nullptr),
           fileType(FT_UNKNOWN),
           hasQObjectMacro(false),
           hasPluginMetaDataMacro(false),
@@ -223,29 +223,29 @@ static void *openScanner(const unsigned short *filePath, const char *fileTags, i
     opaque->fd = open(qPrintable(filePathS), O_RDONLY);
     if (opaque->fd == -1) {
         opaque->fd = 0;
-        return 0;
+        return nullptr;
     }
 
     struct stat s;
     int r = fstat(opaque->fd, &s);
     if (r != 0)
-        return 0;
+        return nullptr;
     mapl = s.st_size;
     opaque->mapl = mapl;
 
     void *vmap = mmap(0, s.st_size, PROT_READ, MAP_PRIVATE, opaque->fd, 0);
     if (vmap == MAP_FAILED)
-        return 0;
+        return nullptr;
 #else
     opaque->file.setFileName(opaque->fileName);
     if (!opaque->file.open(QFile::ReadOnly))
-        return 0;
+        return nullptr;
 
     uchar *vmap = opaque->file.map(0, opaque->file.size());
     mapl = opaque->file.size();
 #endif
     if (!vmap)
-        return 0;
+        return nullptr;
 
     opaque->fileContent = reinterpret_cast<char *>(vmap);
     CPlusPlus::Lexer lex(opaque->fileContent, opaque->fileContent + mapl);
@@ -271,7 +271,7 @@ static const char *next(void *opaq, int *size, int *flags)
     }
     *size = 0;
     *flags = 0;
-    return 0;
+    return nullptr;
 }
 
 static const char **additionalFileTags(void *opaq, int *size)
@@ -295,7 +295,7 @@ static const char **additionalFileTags(void *opaq, int *size)
         }
     }
     *size = 0;
-    return 0;
+    return nullptr;
 }
 
 ScannerPlugin includeScanner =
diff --git a/src/plugins/scanner/qt/qtscanner.cpp b/src/plugins/scanner/qt/qtscanner.cpp
index 04de23fe6..10947e61c 100644
--- a/src/plugins/scanner/qt/qtscanner.cpp
+++ b/src/plugins/scanner/qt/qtscanner.cpp
@@ -81,10 +81,10 @@ struct OpaqQrc
 #ifdef Q_OS_UNIX
         : fd (0),
 #else
-        : file(0),
+        : file(nullptr),
 #endif
-          map(0),
-          xml(0)
+          map(nullptr),
+          xml(nullptr)
     {}
 
     ~OpaqQrc()
@@ -112,26 +112,26 @@ static void *openScannerQrc(const unsigned short *filePath, const char *fileTags
     opaque->fd = open(qPrintable(filePathS), O_RDONLY);
     if (opaque->fd == -1) {
         opaque->fd = 0;
-        return 0;
+        return nullptr;
     }
 
     struct stat s;
     int r = fstat(opaque->fd, &s);
     if (r != 0)
-        return 0;
+        return nullptr;
     opaque->mapl = s.st_size;
 
     void *map = mmap(0, s.st_size, PROT_READ, MAP_PRIVATE, opaque->fd, 0);
-    if (map == 0)
-        return 0;
+    if (map == nullptr)
+        return nullptr;
 #else
     opaque->file = new QFile(QString::fromUtf16(filePath));
     if (!opaque->file->open(QFile::ReadOnly))
-        return 0;
+        return nullptr;
 
     uchar *map = opaque->file->map(0, opaque->file->size());
     if (!map)
-        return 0;
+        return nullptr;
 #endif
 
     opaque->map = reinterpret_cast<char *>(map);
@@ -161,18 +161,18 @@ static const char *nextQrc(void *opaq, int *size, int *flags)
                 }
                 break;
             case QXmlStreamReader::EndDocument:
-                return 0;
+                return nullptr;
             default:
                 break;
         }
     }
-    return 0;
+    return nullptr;
 }
 
 static const char **additionalFileTagsQrc(void *, int *size)
 {
     *size = 0;
-    return 0;
+    return nullptr;
 }
 
 ScannerPlugin qrcScanner =
diff --git a/src/shared/json/json.cpp b/src/shared/json/json.cpp
index fbf467924..c84eb560c 100644
--- a/src/shared/json/json.cpp
+++ b/src/shared/json/json.cpp
@@ -500,7 +500,7 @@ public:
     {
     }
     Data(int reserved, JsonValue::Type valueType)
-        : rawData(0), compactionCounter(0), ownsData(true)
+        : rawData(nullptr), compactionCounter(0), ownsData(true)
     {
         // assert(valueType == JsonValue::Array || valueType == JsonValue::Object);
 
@@ -686,7 +686,7 @@ using namespace Internal;
     The default is to create a Null value.
  */
 JsonValue::JsonValue(Type type)
-    : ui(0), d(0), t(type)
+    : ui(0), d(nullptr), t(type)
 {
 }
 
@@ -694,7 +694,7 @@ JsonValue::JsonValue(Type type)
     \internal
  */
 JsonValue::JsonValue(Internal::Data *data, Internal::Base *base, const Internal::Value &v)
-    : d(0), t((Type)(uint32_t)v.type)
+    : d(nullptr), t((Type)(uint32_t)v.type)
 {
     switch (t) {
     case Undefined:
@@ -727,7 +727,7 @@ JsonValue::JsonValue(Internal::Data *data, Internal::Base *base, const Internal:
     Creates a value of type Bool, with value \a b.
  */
 JsonValue::JsonValue(bool b)
-    : d(0), t(Bool)
+    : d(nullptr), t(Bool)
 {
     this->b = b;
 }
@@ -736,7 +736,7 @@ JsonValue::JsonValue(bool b)
     Creates a value of type Double, with value \a n.
  */
 JsonValue::JsonValue(double n)
-    : d(0), t(Double)
+    : d(nullptr), t(Double)
 {
     this->dbl = n;
 }
@@ -746,7 +746,7 @@ JsonValue::JsonValue(double n)
     Creates a value of type Double, with value \a n.
  */
 JsonValue::JsonValue(int n)
-    : d(0), t(Double)
+    : d(nullptr), t(Double)
 {
     this->dbl = n;
 }
@@ -758,7 +758,7 @@ JsonValue::JsonValue(int n)
     If you pass in values outside this range expect a loss of precision to occur.
  */
 JsonValue::JsonValue(int64_t n)
-    : d(0), t(Double)
+    : d(nullptr), t(Double)
 {
     this->dbl = double(n);
 }
@@ -767,7 +767,7 @@ JsonValue::JsonValue(int64_t n)
     Creates a value of type String, with value \a s.
  */
 JsonValue::JsonValue(const std::string &s)
-    : d(0), t(String)
+    : d(nullptr), t(String)
 {
     stringData = new Internal::SharedString;
     stringData->s = s;
@@ -775,7 +775,7 @@ JsonValue::JsonValue(const std::string &s)
 }
 
 JsonValue::JsonValue(const char *s)
-    : d(0), t(String)
+    : d(nullptr), t(String)
 {
     stringData = new Internal::SharedString;
     stringData->s = s;
@@ -1244,12 +1244,12 @@ JsonValue JsonValueRef::toValue() const
     Creates an empty array.
  */
 JsonArray::JsonArray()
-    : d(0), a(0)
+    : d(nullptr), a(nullptr)
 {
 }
 
 JsonArray::JsonArray(std::initializer_list<JsonValue> args)
-    : d(0), a(0)
+    : d(nullptr), a(nullptr)
 {
     for (auto i = args.begin(); i != args.end(); ++i)
         append(*i);
@@ -2277,12 +2277,12 @@ void JsonArray::compact()
     \sa isEmpty()
  */
 JsonObject::JsonObject()
-    : d(0), o(0)
+    : d(nullptr), o(nullptr)
 {
 }
 
 JsonObject::JsonObject(std::initializer_list<std::pair<std::string, JsonValue> > args)
-    : d(0), o(0)
+    : d(nullptr), o(nullptr)
 {
     for (auto i = args.begin(); i != args.end(); ++i)
         insert(i->first, i->second);
@@ -3242,7 +3242,7 @@ void JsonObject::setValueAt(int i, const JsonValue &val)
  * Constructs an empty and invalid document.
  */
 JsonDocument::JsonDocument()
-    : d(0)
+    : d(nullptr)
 {
 }
 
@@ -3250,7 +3250,7 @@ JsonDocument::JsonDocument()
  * Creates a JsonDocument from \a object.
  */
 JsonDocument::JsonDocument(const JsonObject &object)
-    : d(0)
+    : d(nullptr)
 {
     setObject(object);
 }
@@ -3259,7 +3259,7 @@ JsonDocument::JsonDocument(const JsonObject &object)
  * Constructs a JsonDocument from \a array.
  */
 JsonDocument::JsonDocument(const JsonArray &array)
-    : d(0)
+    : d(nullptr)
 {
     setArray(array);
 }
@@ -3369,7 +3369,7 @@ const char *JsonDocument::rawData(int *size) const
 {
     if (!d) {
         *size = 0;
-        return 0;
+        return nullptr;
     }
     *size = d->alloc;
     return d->rawData;
@@ -3905,7 +3905,7 @@ void arrayToJson(const Array *a, std::string &json, int indent, bool compact)
 using namespace Internal;
 
 Parser::Parser(const char *json, int length)
-    : head(json), json(json), data(0), dataLength(0), current(0), nestingLevel(0), lastError(JsonParseError::NoError)
+    : head(json), json(json), data(nullptr), dataLength(0), current(0), nestingLevel(0), lastError(JsonParseError::NoError)
 {
     end = json + length;
 }
diff --git a/tests/auto/api/testdata/generated-files-list/mainwindow.h b/tests/auto/api/testdata/generated-files-list/mainwindow.h
index 5460460eb..76f9c80ce 100644
--- a/tests/auto/api/testdata/generated-files-list/mainwindow.h
+++ b/tests/auto/api/testdata/generated-files-list/mainwindow.h
@@ -40,7 +40,7 @@ class MainWindow : public QMainWindow
     Q_OBJECT
 
 public:
-    explicit MainWindow(QWidget *parent = 0);
+    explicit MainWindow(QWidget *parent = nullptr);
     ~MainWindow();
 
 private:
diff --git a/tests/auto/api/testdata/lots-of-dots/object.narf.h b/tests/auto/api/testdata/lots-of-dots/object.narf.h
index 2fdebcd39..76147bf4d 100644
--- a/tests/auto/api/testdata/lots-of-dots/object.narf.h
+++ b/tests/auto/api/testdata/lots-of-dots/object.narf.h
@@ -34,7 +34,7 @@ class ObjectNarf : public QObject
 {
     Q_OBJECT
 public:
-    ObjectNarf(QObject *parent = 0);
+    ObjectNarf(QObject *parent = nullptr);
 };
 
 #endif
diff --git a/tests/auto/api/testdata/moc-hpp-included/object.h b/tests/auto/api/testdata/moc-hpp-included/object.h
index 95292c113..3a0a5581d 100644
--- a/tests/auto/api/testdata/moc-hpp-included/object.h
+++ b/tests/auto/api/testdata/moc-hpp-included/object.h
@@ -34,7 +34,7 @@ class Object : public QObject
 {
     Q_OBJECT
 public:
-    Object(QObject *parent = 0);
+    Object(QObject *parent = nullptr);
 };
 
 #endif
diff --git a/tests/auto/api/testdata/moc-hpp-included/object2.h b/tests/auto/api/testdata/moc-hpp-included/object2.h
index e0fca9663..b73f4b0d8 100644
--- a/tests/auto/api/testdata/moc-hpp-included/object2.h
+++ b/tests/auto/api/testdata/moc-hpp-included/object2.h
@@ -34,7 +34,7 @@ class Object2 : public QObject
 {
     Q_OBJECT
 public:
-    Object2(QObject *parent = 0);
+    Object2(QObject *parent = nullptr);
 };
 
 #endif
diff --git a/tests/auto/api/testdata/moc-hpp/object.h b/tests/auto/api/testdata/moc-hpp/object.h
index 95292c113..3a0a5581d 100644
--- a/tests/auto/api/testdata/moc-hpp/object.h
+++ b/tests/auto/api/testdata/moc-hpp/object.h
@@ -34,7 +34,7 @@ class Object : public QObject
 {
     Q_OBJECT
 public:
-    Object(QObject *parent = 0);
+    Object(QObject *parent = nullptr);
 };
 
 #endif
diff --git a/tests/auto/api/tst_api.cpp b/tests/auto/api/tst_api.cpp
index cc2e11096..72bc11114 100644
--- a/tests/auto/api/tst_api.cpp
+++ b/tests/auto/api/tst_api.cpp
@@ -221,7 +221,7 @@ void TestApi::addedFilePersistent()
                                                                               0));
     waitForFinished(setupJob.get());
     QVERIFY2(!setupJob->error().hasError(), qPrintable(setupJob->error().toString()));
-    setupJob.reset(0);
+    setupJob.reset(nullptr);
 
     // Remove the file again. qbs must unschedule the rule application again.
     // Consequently, the linking step must fail as in the initial run.
@@ -241,7 +241,7 @@ void TestApi::addedFilePersistent()
     setupJob.reset(qbs::Project().setupProject(params, m_logSink, 0));
     waitForFinished(setupJob.get());
     QVERIFY2(!setupJob->error().hasError(), qPrintable(setupJob->error().toString()));
-    setupJob.reset(0);
+    setupJob.reset(nullptr);
 
     // qbs must remember that a file was scheduled for rule application. The build must then
     // succeed, as now all necessary symbols are linked in.
@@ -892,8 +892,8 @@ void TestApi::changeContent()
     VERIFY_NO_ERROR(errorInfo);
 
     project = qbs::Project();
-    job.reset(0);
-    buildJob.reset(0);
+    job.reset(nullptr);
+    buildJob.reset(nullptr);
     removeBuildDir(setupParams);
     // Add a file to the top level of a product that does not have a "files" binding yet.
     setupParams.setProjectFilePath(QDir::cleanPath(m_workingDataDir +
diff --git a/tests/auto/blackbox/testdata-qt/dbus-interfaces/controller.h b/tests/auto/blackbox/testdata-qt/dbus-interfaces/controller.h
index 3a63c6a06..b64928353 100644
--- a/tests/auto/blackbox/testdata-qt/dbus-interfaces/controller.h
+++ b/tests/auto/blackbox/testdata-qt/dbus-interfaces/controller.h
@@ -37,7 +37,7 @@ class Controller : public QWidget
     Q_OBJECT
 
 public:
-    Controller(QWidget *parent = 0);
+    Controller(QWidget *parent = nullptr);
 
 protected:
     void timerEvent(QTimerEvent *event);
diff --git a/tests/auto/blackbox/testdata-qt/trackAddMocInclude/after/main.cpp b/tests/auto/blackbox/testdata-qt/trackAddMocInclude/after/main.cpp
index 566024acd..3bb9efa5a 100644
--- a/tests/auto/blackbox/testdata-qt/trackAddMocInclude/after/main.cpp
+++ b/tests/auto/blackbox/testdata-qt/trackAddMocInclude/after/main.cpp
@@ -32,7 +32,7 @@ class MyObject : public QObject
 {
     Q_OBJECT
 public:
-    MyObject(QObject *parent = 0)
+    MyObject(QObject *parent = nullptr)
         : QObject(parent)
     {
     }
diff --git a/tests/auto/blackbox/testdata-qt/trackAddMocInclude/before/main.cpp b/tests/auto/blackbox/testdata-qt/trackAddMocInclude/before/main.cpp
index 2a44ceec4..14a23f67b 100644
--- a/tests/auto/blackbox/testdata-qt/trackAddMocInclude/before/main.cpp
+++ b/tests/auto/blackbox/testdata-qt/trackAddMocInclude/before/main.cpp
@@ -32,7 +32,7 @@ class MyObject : public QObject
 {
     Q_OBJECT
 public:
-    MyObject(QObject *parent = 0)
+    MyObject(QObject *parent = nullptr)
         : QObject(parent)
     {
     }
diff --git a/tests/fuzzy-test/fuzzytester.cpp b/tests/fuzzy-test/fuzzytester.cpp
index 2265592f2..d01c3c3f2 100644
--- a/tests/fuzzy-test/fuzzytester.cpp
+++ b/tests/fuzzy-test/fuzzytester.cpp
@@ -70,7 +70,7 @@ void FuzzyTester::runTest(const QString &profile, const QString &startCommit,
 
     // Shuffle the initial sequence. Otherwise all invocations of the tool with the same start
     // commit would try the same sequence of commits.
-    std::srand(std::time(0));
+    std::srand(std::time(nullptr));
     std::random_shuffle(allCommits.begin(), allCommits.end());
 
     quint64 run = 0;