diff --git a/src/plugins/qmljseditor/qmljscompletionassist.cpp b/src/plugins/qmljseditor/qmljscompletionassist.cpp
index 21c23274e2e..d3e262bb9e1 100644
--- a/src/plugins/qmljseditor/qmljscompletionassist.cpp
+++ b/src/plugins/qmljseditor/qmljscompletionassist.cpp
@@ -101,7 +101,7 @@ static void addCompletions(QList<AssistProposalItemInterface *> *completions,
                            const QIcon &icon,
                            int order)
 {
-    foreach (const QString &text, newCompletions)
+    for (const QString &text : newCompletions)
         addCompletion(completions, text, icon, order);
 }
 
@@ -226,7 +226,8 @@ public:
         _processed.clear();
         _propertyProcessor = processor;
 
-        foreach (const ObjectValue *scope, _scopeChain->all())
+        const QList<const ObjectValue *> scopes = _scopeChain->all();
+        for (const ObjectValue *scope : scopes)
             processProperties(scope);
     }
 
@@ -302,7 +303,7 @@ const Value *getPropertyValue(const ObjectValue *object,
         return nullptr;
 
     const Value *value = object;
-    foreach (const QString &name, propertyNames) {
+    for (const QString &name : propertyNames) {
         if (const ObjectValue *objectValue = value->asObjectValue()) {
             value = objectValue->lookupMember(name, context);
             if (!value)
@@ -687,7 +688,7 @@ IAssistProposal *QmlJSCompletionAssistProcessor::perform(const AssistInterface *
                     QStringList nCompletions;
                     QString prefix(libVersion.left(toSkip));
                     nCompletions.reserve(completions.size());
-                    foreach (const QString &completion, completions)
+                    for (const QString &completion : qAsConst(completions))
                         if (completion.startsWith(prefix))
                             nCompletions.append(completion.right(completion.size()-toSkip));
                     completions = nCompletions;
@@ -800,7 +801,8 @@ IAssistProposal *QmlJSCompletionAssistProcessor::perform(const AssistInterface *
             if (const QmlEnumValue *enumValue =
                     value_cast<QmlEnumValue>(value)) {
                 const QString &name = context->imports(document.data())->nameForImportedObject(enumValue->owner(), context.data());
-                foreach (const QString &key, enumValue->keys()) {
+                const QStringList keys = enumValue->keys();
+                for (const QString &key : keys) {
                     QString completion;
                     if (name.isEmpty())
                         completion = QString::fromLatin1("\"%1\"").arg(key);
@@ -910,7 +912,7 @@ bool QmlJSCompletionAssistProcessor::acceptsIdleEditor() const
         Scanner scanner;
         const QList<Token> tokens = scanner(blockText, blockState);
         const int column = block.position() - m_interface->position();
-        foreach (const Token &tk, tokens) {
+        for (const Token &tk : tokens) {
             if (column >= tk.begin() && column <= tk.end()) {
                 if (charBeforeCursor == QLatin1Char('/') && tk.is(Token::String))
                     return true; // path completion inside string literals
@@ -1051,7 +1053,7 @@ void QmlJSAssistProposalModel::filter(const QString &prefix)
         return;
     QList<AssistProposalItemInterface *> newCurrentItems;
     newCurrentItems.reserve(m_currentItems.size());
-    foreach (AssistProposalItemInterface *item, m_currentItems)
+    for (AssistProposalItemInterface *item : qAsConst(m_currentItems))
         if (!item->text().startsWith(QLatin1String("__")))
             newCurrentItems << item;
     m_currentItems = newCurrentItems;
diff --git a/src/plugins/qmljseditor/qmljscomponentfromobjectdef.cpp b/src/plugins/qmljseditor/qmljscomponentfromobjectdef.cpp
index 248107e966f..290565051ca 100644
--- a/src/plugins/qmljseditor/qmljscomponentfromobjectdef.cpp
+++ b/src/plugins/qmljseditor/qmljscomponentfromobjectdef.cpp
@@ -123,13 +123,14 @@ public:
 
         QStringList sortedPropertiesWithoutId;
 
-        foreach (const QString &property, propertyReader.properties())
+        const QStringList properties = propertyReader.properties();
+        for (const QString &property : properties)
             if (property != QLatin1String("id"))
                 sortedPropertiesWithoutId.append(property);
 
         sortedPropertiesWithoutId.sort();
 
-        foreach (const QString &property, sortedPropertiesWithoutId)
+        for (const QString &property : qAsConst(sortedPropertiesWithoutId))
             sourcePreview.append(QLatin1String("    ") + property + QLatin1String(": ") + propertyReader.readAstValue(property));
 
         const bool confirm = ComponentNameDialog::go(&componentName, &path, &suffix,
@@ -178,7 +179,7 @@ public:
                 if (program->members)
                     astRootNode = program->members->member;
 
-            foreach (const QString &property, result)
+            for (const QString &property : qAsConst(result))
                 rewriter.removeBindingByName(initializerOfObject(astRootNode), property);
         } else {
             qWarning() << Q_FUNC_INFO << "parsing failed:" << newComponentSource;
@@ -208,7 +209,7 @@ public:
         if (!m_idName.isEmpty())
             replacement += QLatin1String("id: ") + m_idName + QLatin1Char('\n');
 
-        foreach (const QString &property, result)
+        for (const QString &property : qAsConst(result))
             replacement += property + QLatin1String(": ") + propertyReader.readAstValue(property) + QLatin1Char('\n');
 
         Utils::ChangeSet changes;
diff --git a/src/plugins/qmljseditor/qmljseditor.cpp b/src/plugins/qmljseditor/qmljseditor.cpp
index 32ff7895600..1e7534330d4 100644
--- a/src/plugins/qmljseditor/qmljseditor.cpp
+++ b/src/plugins/qmljseditor/qmljseditor.cpp
@@ -189,7 +189,7 @@ static void appendExtraSelectionsForMessages(
         const QList<DiagnosticMessage> &messages,
         const QTextDocument *document)
 {
-    foreach (const DiagnosticMessage &d, messages) {
+    for (const DiagnosticMessage &d : messages) {
         const int line = d.loc.startLine;
         const int column = qMax(1U, d.loc.startColumn);
 
@@ -511,10 +511,10 @@ void QmlJSEditorWidget::setSelectedElements()
 
     if (m_qmlJsEditorDocument->semanticInfo().isValid()) {
         SelectedElement selectedMembers;
-        QList<UiObjectMember *> members
-                = selectedMembers(m_qmlJsEditorDocument->semanticInfo().document, startPos, endPos);
+        const QList<UiObjectMember *> members
+            = selectedMembers(m_qmlJsEditorDocument->semanticInfo().document, startPos, endPos);
         if (!members.isEmpty()) {
-            foreach (UiObjectMember *m, members) {
+            for (UiObjectMember *m : members) {
                 offsets << m;
             }
         }
@@ -768,7 +768,8 @@ void QmlJSEditorWidget::findLinkAt(const QTextCursor &cursor,
 
     if (auto importAst = cast<const AST::UiImport *>(node)) {
         // if it's a file import, link to the file
-        foreach (const ImportInfo &import, semanticInfo.document->bind()->imports()) {
+        const QList<ImportInfo> imports = semanticInfo.document->bind()->imports();
+        for (const ImportInfo &import : imports) {
             if (import.ast() == importAst && import.type() == ImportType::File) {
                 Utils::Link link(Utils::FilePath::fromString(import.path()));
                 link.linkTextStart = importAst->firstSourceLocation().begin();
@@ -896,7 +897,8 @@ void QmlJSEditorWidget::contextMenuEvent(QContextMenuEvent *e)
 
     if (ActionContainer *mcontext = ActionManager::actionContainer(Constants::M_CONTEXT)) {
         QMenu *contextMenu = mcontext->menu();
-        foreach (QAction *action, contextMenu->actions()) {
+        const QList<QAction *> actions = contextMenu->actions();
+        for (QAction *action : actions) {
             menu->addAction(action);
             if (action->objectName() == QLatin1String(Constants::M_REFACTORING_MENU_INSERTION_POINT))
                 menu->addMenu(refactoringMenu);
diff --git a/src/plugins/qmljseditor/qmljsfindreferences.cpp b/src/plugins/qmljseditor/qmljsfindreferences.cpp
index 7c02a5da291..e0a0f3269aa 100644
--- a/src/plugins/qmljseditor/qmljsfindreferences.cpp
+++ b/src/plugins/qmljseditor/qmljsfindreferences.cpp
@@ -260,7 +260,8 @@ private:
         if (root && root->lookupMember(_name, _scopeChain.context()))
             return check(root);
 
-        foreach (const QmlComponentChain *parent, chain->instantiatingComponents()) {
+        const QList<const QmlComponentChain *> parents = chain->instantiatingComponents();
+        for (const QmlComponentChain *parent : parents) {
             if (contains(parent))
                 return true;
         }
@@ -278,7 +279,8 @@ private:
 
     bool checkQmlScope()
     {
-        foreach (const ObjectValue *s, _scopeChain.qmlScopeObjects()) {
+        const QList<const ObjectValue *> scopes = _scopeChain.qmlScopeObjects();
+        for (const ObjectValue *s : scopes) {
             if (check(s))
                 return true;
         }
@@ -749,8 +751,8 @@ public:
 
         // find all idenfifier expressions, try to resolve them and check if the result is in scope
         FindUsages findUsages(doc, context);
-        FindUsages::Result results = findUsages(name, scope);
-        foreach (const SourceLocation &loc, results)
+        const FindUsages::Result results = findUsages(name, scope);
+        for (const SourceLocation &loc : results)
             usages.append(Usage(fileName, matchingLine(loc.offset, doc->source()), loc.startLine, loc.startColumn - 1, loc.length));
         if (future->isPaused())
             future->waitForResume();
@@ -791,8 +793,8 @@ public:
 
         // find all idenfifier expressions, try to resolve them and check if the result is in scope
         FindTypeUsages findUsages(doc, context);
-        FindTypeUsages::Result results = findUsages(name, scope);
-        foreach (const SourceLocation &loc, results)
+        const FindTypeUsages::Result results = findUsages(name, scope);
+        for (const SourceLocation &loc : results)
             usages.append(Usage(fileName, matchingLine(loc.offset, doc->source()), loc.startLine, loc.startColumn - 1, loc.length));
         if (future->isPaused())
             future->waitForResume();
@@ -815,7 +817,7 @@ public:
 
     void operator()(QList<Usage> &, const QList<Usage> &usages)
     {
-        foreach (const Usage &u, usages)
+        for (const Usage &u : usages)
             future->reportResult(u);
 
         future->setProgressValue(future->progressValue() + 1);
@@ -892,7 +894,7 @@ static void find_helper(QFutureInterface<FindReferences::Usage> &future,
         replacement = name;
 
     QStringList files;
-    foreach (const Document::Ptr &doc, snapshot) {
+    for (const Document::Ptr &doc : qAsConst(snapshot)) {
         // ### skip files that don't contain the name token
         files.append(doc->fileName());
     }
@@ -974,10 +976,10 @@ QList<FindReferences::Usage> FindReferences::findUsageOfType(const QString &file
 
     QmlJS::Snapshot snapshot =  modelManager->snapshot();
 
-    foreach (const QmlJS::Document::Ptr &doc, snapshot) {
+    for (const QmlJS::Document::Ptr &doc : qAsConst(snapshot)) {
         FindTypeUsages findUsages(doc, context);
-        FindTypeUsages::Result results = findUsages(typeName, targetValue);
-        foreach (const SourceLocation &loc, results) {
+        const FindTypeUsages::Result results = findUsages(typeName, targetValue);
+        for (const SourceLocation &loc : results) {
             usages.append(Usage(doc->fileName(), matchingLine(loc.offset, doc->source()), loc.startLine, loc.startColumn - 1, loc.length));
         }
     }
diff --git a/src/plugins/qmljseditor/qmljshoverhandler.cpp b/src/plugins/qmljseditor/qmljshoverhandler.cpp
index d761c3e4cd7..085b6ce157b 100644
--- a/src/plugins/qmljseditor/qmljshoverhandler.cpp
+++ b/src/plugins/qmljseditor/qmljshoverhandler.cpp
@@ -268,15 +268,17 @@ void QmlJSHoverHandler::identifyMatch(TextEditorWidget *editorWidget, int pos, R
 
 bool QmlJSHoverHandler::matchDiagnosticMessage(QmlJSEditorWidget *qmlEditor, int pos)
 {
-    foreach (const QTextEdit::ExtraSelection &sel,
-             qmlEditor->extraSelections(TextEditorWidget::CodeWarningsSelection)) {
+    const QList<QTextEdit::ExtraSelection> selections =
+        qmlEditor->extraSelections(TextEditorWidget::CodeWarningsSelection);
+    for (const QTextEdit::ExtraSelection &sel : selections) {
         if (pos >= sel.cursor.selectionStart() && pos <= sel.cursor.selectionEnd()) {
             setToolTip(sel.format.toolTip());
             return true;
         }
     }
-    foreach (const QTextLayout::FormatRange &range,
-             qmlEditor->qmlJsEditorDocument()->diagnosticRanges()) {
+    const QVector<QTextLayout::FormatRange> ranges =
+        qmlEditor->qmlJsEditorDocument()->diagnosticRanges();
+    for (const QTextLayout::FormatRange &range : ranges) {
         if (pos >= range.start && pos < range.start+range.length) {
             setToolTip(range.format.toolTip());
             return true;
@@ -357,7 +359,8 @@ void QmlJSHoverHandler::handleImport(const ScopeChain &scopeChain, AST::UiImport
     if (!imports)
         return;
 
-    foreach (const Import &import, imports->all()) {
+    const QList<Import> importList = imports->all();
+    for (const Import &import : importList) {
         if (import.info.ast() == node) {
             if (import.info.type() == ImportType::Library
                     && !import.libraryPath.isEmpty()) {
diff --git a/src/plugins/qmljseditor/qmljsquickfixes.cpp b/src/plugins/qmljseditor/qmljsquickfixes.cpp
index d0f63d74ae0..9536738ac3e 100644
--- a/src/plugins/qmljseditor/qmljsquickfixes.cpp
+++ b/src/plugins/qmljseditor/qmljsquickfixes.cpp
@@ -154,7 +154,7 @@ void matchAddAnalysisMessageSuppressionCommentQuickFix(const QmlJSQuickFixInterf
 {
     const QList<StaticAnalysis::Message> &messages = interface->semanticInfo().staticAnalysisMessages;
 
-    foreach (const StaticAnalysis::Message &message, messages) {
+    for (const StaticAnalysis::Message &message : messages) {
         if (interface->currentFile()->isCursorOn(message.location)) {
             result << new AnalysizeMessageSuppressionOperation(interface, message);
             return;
diff --git a/src/plugins/qmljseditor/qmljssemantichighlighter.cpp b/src/plugins/qmljseditor/qmljssemantichighlighter.cpp
index 8909c471e0e..bf0454a3d9c 100644
--- a/src/plugins/qmljseditor/qmljssemantichighlighter.cpp
+++ b/src/plugins/qmljseditor/qmljssemantichighlighter.cpp
@@ -59,7 +59,7 @@ namespace {
 
 static bool isIdScope(const ObjectValue *scope, const QList<const QmlComponentChain *> &chain)
 {
-    foreach (const QmlComponentChain *c, chain) {
+    for (const QmlComponentChain *c : chain) {
         if (c->idScope() == scope)
             return true;
         if (isIdScope(scope, c->instantiatingComponents()))
@@ -391,7 +391,7 @@ protected:
     void addMessages(QList<DiagnosticMessage> messages,
             const Document::Ptr &doc)
     {
-        foreach (const DiagnosticMessage &d, messages) {
+        for (const DiagnosticMessage &d : messages) {
             int line = d.loc.startLine;
             int column = qMax(1U, d.loc.startColumn);
             int length = d.loc.length;
@@ -426,7 +426,7 @@ protected:
     void addMessages(const QList<StaticAnalysis::Message> &messages,
                      const Document::Ptr &doc)
     {
-        foreach (const StaticAnalysis::Message &d, messages) {
+        for (const StaticAnalysis::Message &d : messages) {
             int line = d.location.startLine;
             int column = qMax(1U, d.location.startColumn);
             int length = d.location.length;
diff --git a/src/plugins/qmljseditor/qmloutlinemodel.cpp b/src/plugins/qmljseditor/qmloutlinemodel.cpp
index a62696b8abe..08d5a4d4c3c 100644
--- a/src/plugins/qmljseditor/qmloutlinemodel.cpp
+++ b/src/plugins/qmljseditor/qmloutlinemodel.cpp
@@ -400,7 +400,7 @@ bool QmlOutlineModel::dropMimeData(const QMimeData *data, Qt::DropAction action,
         stream >> rowPath;
 
         QModelIndex index;
-        foreach (int row, rowPath) {
+        for (int row : qAsConst(rowPath)) {
             index = this->index(row, 0, index);
             if (!index.isValid())
                 continue;
@@ -883,7 +883,7 @@ void QmlOutlineModel::reparentNodes(QmlOutlineItem *targetItem, int row, QList<Q
     TextEditor::RefactoringFilePtr file = refactoring.file(
         Utils::FilePath::fromString(m_semanticInfo.document->fileName()));
     file->setChangeSet(changeSet);
-    foreach (const Utils::ChangeSet::Range &range, changedRanges) {
+    for (const Utils::ChangeSet::Range &range : qAsConst(changedRanges)) {
         file->appendIndentRange(range);
     }
     file->apply();
diff --git a/src/plugins/qmljseditor/qmltaskmanager.cpp b/src/plugins/qmljseditor/qmltaskmanager.cpp
index 366702f8016..1e84d8a671e 100644
--- a/src/plugins/qmljseditor/qmltaskmanager.cpp
+++ b/src/plugins/qmljseditor/qmltaskmanager.cpp
@@ -63,7 +63,7 @@ QmlTaskManager::QmlTaskManager()
 static Tasks convertToTasks(const QList<DiagnosticMessage> &messages, const FilePath &fileName, Utils::Id category)
 {
     Tasks result;
-    foreach (const DiagnosticMessage &msg, messages) {
+    for (const DiagnosticMessage &msg : messages) {
         Task::TaskType type = msg.isError() ? Task::Error : Task::Warning;
         Task task(type, msg.message, fileName, msg.loc.startLine, category);
         result += task;
@@ -74,17 +74,18 @@ static Tasks convertToTasks(const QList<DiagnosticMessage> &messages, const File
 static Tasks convertToTasks(const QList<StaticAnalysis::Message> &messages, const FilePath &fileName, Utils::Id category)
 {
     QList<DiagnosticMessage> diagnostics;
-    foreach (const StaticAnalysis::Message &msg, messages)
+    for (const StaticAnalysis::Message &msg : messages)
         diagnostics += msg.toDiagnosticMessage();
     return convertToTasks(diagnostics, fileName, category);
 }
 
-void QmlTaskManager::collectMessages(
-        QFutureInterface<FileErrorMessages> &future,
-        Snapshot snapshot, QList<ModelManagerInterface::ProjectInfo> projectInfos,
-        ViewerContext vContext, bool updateSemantic)
+void QmlTaskManager::collectMessages(QFutureInterface<FileErrorMessages> &future,
+                                     Snapshot snapshot,
+                                     const QList<ModelManagerInterface::ProjectInfo> &projectInfos,
+                                     ViewerContext vContext,
+                                     bool updateSemantic)
 {
-    foreach (const ModelManagerInterface::ProjectInfo &info, projectInfos) {
+    for (const ModelManagerInterface::ProjectInfo &info : projectInfos) {
         QHash<QString, QList<DiagnosticMessage> > linkMessages;
         ContextPtr context;
         if (updateSemantic) {
@@ -92,7 +93,7 @@ void QmlTaskManager::collectMessages(
             context = link(&linkMessages);
         }
 
-        foreach (const QString &fileName, info.sourceFiles) {
+        for (const QString &fileName : qAsConst(info.sourceFiles)) {
             Document::Ptr document = snapshot.document(fileName);
             if (!document)
                 continue;
@@ -157,15 +158,15 @@ void QmlTaskManager::updateMessagesNow(bool updateSemantic)
 
 void QmlTaskManager::documentsRemoved(const QStringList &path)
 {
-    foreach (const QString &item, path)
+    for (const QString &item : path)
         removeTasksForFile(item);
 }
 
 void QmlTaskManager::displayResults(int begin, int end)
 {
     for (int i = begin; i < end; ++i) {
-        FileErrorMessages result = m_messageCollector.resultAt(i);
-        foreach (const Task &task, result.tasks) {
+        const ProjectExplorer::Tasks tasks = m_messageCollector.resultAt(i).tasks;
+        for (const Task &task : tasks) {
             insertTask(task);
         }
     }
@@ -189,7 +190,7 @@ void QmlTaskManager::removeTasksForFile(const QString &fileName)
 {
     if (m_docsWithTasks.contains(fileName)) {
         const Tasks tasks = m_docsWithTasks.value(fileName);
-        foreach (const Task &task, tasks)
+        for (const Task &task : tasks)
             TaskHub::removeTask(task);
         m_docsWithTasks.remove(fileName);
     }
diff --git a/src/plugins/qmljseditor/qmltaskmanager.h b/src/plugins/qmljseditor/qmltaskmanager.h
index dfc8174ba12..692f74f3c41 100644
--- a/src/plugins/qmljseditor/qmltaskmanager.h
+++ b/src/plugins/qmljseditor/qmltaskmanager.h
@@ -69,7 +69,7 @@ private:
     };
     static void collectMessages(QFutureInterface<FileErrorMessages> &future,
                                 QmlJS::Snapshot snapshot,
-                                QList<QmlJS::ModelManagerInterface::ProjectInfo> projectInfos,
+                                const QList<QmlJS::ModelManagerInterface::ProjectInfo> &projectInfos,
                                 QmlJS::ViewerContext vContext,
                                 bool updateSemantic);
 
diff --git a/src/plugins/qmljseditor/quicktoolbar.cpp b/src/plugins/qmljseditor/quicktoolbar.cpp
index 15dec5a80c5..5318c8d51ac 100644
--- a/src/plugins/qmljseditor/quicktoolbar.cpp
+++ b/src/plugins/qmljseditor/quicktoolbar.cpp
@@ -129,20 +129,20 @@ void QuickToolBar::apply(TextEditor::TextEditorWidget *editorWidget, Document::P
 
     if (scopeChain && scopeObject) {
         m_prototypes.clear();
-        foreach (const ObjectValue *object,
-                 PrototypeIterator(scopeObject, scopeChain->context()).all()) {
+        const QList<const ObjectValue *> objects
+            = PrototypeIterator(scopeObject, scopeChain->context()).all();
+        for (const ObjectValue *object : objects)
             m_prototypes.append(object->className());
-        }
 
         if (m_prototypes.contains(QLatin1String("PropertyChanges"))) {
             isPropertyChanges = true;
             const ObjectValue *targetObject = getPropertyChangesTarget(node, *scopeChain);
             m_prototypes.clear();
             if (targetObject) {
-                foreach (const ObjectValue *object,
-                         PrototypeIterator(targetObject, scopeChain->context()).all()) {
+                const QList<const ObjectValue *> objects
+                    = PrototypeIterator(targetObject, scopeChain->context()).all();
+                for (const ObjectValue *object : objects)
                     m_prototypes.append(object->className());
-                }
             }
         }
     }