MCU: Do not add fall-back path for QUL kits

Fixes: UL-3609
Change-Id: I9912c7476f3b45346835d60be61fed7399046162
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/mcusupport/mcusupportoptions.cpp

@@ -600,7 +600,7 @@ void McuSupportOptions::setQulDir(const FilePath &dir)
     qtForMCUsSdkPackage->updateStatus();
     if (qtForMCUsSdkPackage->status() == McuPackage::Status::ValidPackage)
         Sdk::targetsAndPackages(dir, &packages, &mcuTargets);
-    for (auto package : packages)
+    for (auto package : qAsConst(packages))
         connect(package, &McuPackage::changed, this, &McuSupportOptions::changed);
 
     emit changed();
@@ -629,7 +629,8 @@ static void setKitProperties(const QString &kitName, Kit *k, const McuTarget *mc
     k->makeSticky();
     if (mcuTarget->toolChainPackage()->isDesktopToolchain())
         k->setDeviceTypeForIcon(DEVICE_TYPE);
-    QSet<Id> irrelevant = { SysRootKitAspect::id() };
+    k->setValue(QtSupport::SuppliesQtQuickImportPath::id(), true);
+    QSet<Id> irrelevant = { SysRootKitAspect::id(), QtSupport::SuppliesQtQuickImportPath::id() };
     if (!kitNeedsQtVersion())
         irrelevant.insert(QtSupport::QtKitAspect::id());
     k->setIrrelevantAspects(irrelevant);
@@ -912,5 +913,29 @@ void McuSupportOptions::createAutomaticKits()
     delete qtForMCUsPackage;
 }
 
+/**
+ * @brief Fix/update existing kits if needed
+ */
+void McuSupportOptions::fixExistingKits()
+{
+    for (Kit *kit : KitManager::kits()) {
+        if (!kit->hasValue(Constants::KIT_MCUTARGET_KITVERSION_KEY) )
+            continue;
+
+        // Check if the MCU kits are flagged as supplying a QtQuick import path, in order
+        // to tell the QMLJS code-model that it won't need to add a fall-back import
+        // path.
+        const auto bringsQtQuickImportPath = QtSupport::SuppliesQtQuickImportPath::id();
+        auto irrelevantAspects = kit->irrelevantAspects();
+        if (!irrelevantAspects.contains(bringsQtQuickImportPath)) {
+            irrelevantAspects.insert(bringsQtQuickImportPath);
+            kit->setIrrelevantAspects(irrelevantAspects);
+        }
+        if (!kit->hasValue(bringsQtQuickImportPath)) {
+            kit->setValue(bringsQtQuickImportPath, true);
+        }
+    }
+}
+
 } // Internal
 } // McuSupport

src/plugins/mcusupport/mcusupportoptions.h

@@ -208,6 +208,7 @@ public:
     static void removeOutdatedKits();
     static ProjectExplorer::Kit *newKit(const McuTarget *mcuTarget, const McuPackage *qtForMCUsSdk);
     static void createAutomaticKits();
+    static void fixExistingKits();
     void populatePackagesAndTargets();
     static void registerQchFiles();
     static void registerExamples();

src/plugins/mcusupport/mcusupportplugin.cpp

@@ -96,6 +96,7 @@ void McuSupportPlugin::extensionsInitialized()
     connect(KitManager::instance(), &KitManager::kitsLoaded, [](){
         McuSupportOptions::removeOutdatedKits();
         McuSupportOptions::createAutomaticKits();
+        McuSupportOptions::fixExistingKits();
         McuSupportPlugin::askUserAboutMcuSupportKitsSetup();
     });
 }

src/plugins/qmljstools/qmljsmodelmanager.cpp

@@ -155,7 +155,7 @@ ModelManagerInterface::ProjectInfo ModelManager::defaultProjectInfoForProject(
         projectInfo.tryQmlDump = project && qtVersion->type() == QLatin1String(QtSupport::Constants::DESKTOPQT);
         projectInfo.qtQmlPath = qtVersion->qmlPath().toFileInfo().canonicalFilePath();
         projectInfo.qtVersionString = qtVersion->qtVersionString();
-    } else {
+    } else if (!activeKit->value(QtSupport::SuppliesQtQuickImportPath::id(), false).toBool()) {
         projectInfo.qtQmlPath = QFileInfo(QLibraryInfo::location(QLibraryInfo::Qml2ImportsPath)).canonicalFilePath();
         projectInfo.qtVersionString = QLatin1String(qVersion());
     }

src/plugins/qtsupport/qtkitinformation.cpp

@@ -464,4 +464,9 @@ int QtKitAspect::weight(const Kit *k) const
         return qtAbi.isCompatibleWith(tcAbi); }) ? 1 : 0;
 }
 
+Id SuppliesQtQuickImportPath::id()
+{
+    return QtSupport::Constants::FLAGS_SUPPLIES_QTQUICK_IMPORT_PATH;
+}
+
 } // namespace QtSupport

src/plugins/qtsupport/qtkitinformation.h

@@ -83,4 +83,10 @@ private:
     void kitsWereLoaded();
 };
 
+class QTSUPPORT_EXPORT SuppliesQtQuickImportPath
+{
+public:
+    static Utils::Id id();
+};
+
 } // namespace QtSupport

src/plugins/qtsupport/qtsupportconstants.h

@@ -55,5 +55,8 @@ const char FEATURE_QT_CONSOLE[] = "QtSupport.Wizards.FeatureQtConsole";
 const char FEATURE_MOBILE[] = "QtSupport.Wizards.FeatureMobile";
 const char FEATURE_DESKTOP[] = "QtSupport.Wizards.FeatureDesktop";
 
+// Kit flags
+const char FLAGS_SUPPLIES_QTQUICK_IMPORT_PATH[] = "QtSupport.SuppliesQtQuickImportPath";
+
 } // namepsace Constants
 } // namepsace QtSupport