ProjectExplorer: Introduce per-buildsystem setRootProjectNode

Currently diverting to the original Project::setRootProjectNode.
Idea is to focus on the BuildSystem <-> generated tree relation.

Change-Id: I8b20173e364713f0919cf4f8b76a2f79ef8770bb
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/autotoolsprojectmanager/autotoolsbuildsystem.cpp

@@ -146,7 +146,7 @@ void AutotoolsBuildSystem::makefileParsingFinished()
         newRoot->addNestedNode(std::make_unique<FileNode>(path,
                                                           FileNode::fileTypeForFileName(path)));
     }
-    project()->setRootProjectNode(std::move(newRoot));
+    setRootProjectNode(std::move(newRoot));
     project()->setExtraProjectFiles(filesToWatch);
 
     updateCppCodeModel();

src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp

@@ -420,7 +420,7 @@ void CMakeBuildSystem::updateProjectData()
     {
         auto newRoot = generateProjectTree(m_allFiles);
         if (newRoot) {
-            p->setRootProjectNode(std::move(newRoot));
+            setRootProjectNode(std::move(newRoot));
             if (p->rootProjectNode())
                 p->setDisplayName(p->rootProjectNode()->displayName());
 

src/plugins/compilationdatabaseprojectmanager/compilationdatabaseproject.cpp

@@ -427,7 +427,7 @@ void CompilationDatabaseBuildSystem::buildTreeAndProjectParts()
         root->addNode(std::make_unique<FileNode>(Utils::FilePath::fromString(dbContents.extraFileName),
                                                  FileType::Project));
 
-    project()->setRootProjectNode(std::move(root));
+    setRootProjectNode(std::move(root));
 
     m_cppCodeModelUpdater->update({project(), kitInfo, activeParseEnvironment(), rpps});
     updateDeploymentData();

src/plugins/genericprojectmanager/genericproject.cpp

@@ -492,7 +492,7 @@ void GenericBuildSystem::refresh(RefreshOptions options)
                                                           FileType::Project));
 
         newRoot->compress();
-        project()->setRootProjectNode(std::move(newRoot));
+        setRootProjectNode(std::move(newRoot));
     }
 
     refreshCppCodeModel();

src/plugins/nim/project/nimbuildsystem.cpp

@@ -154,7 +154,7 @@ void NimBuildSystem::updateProject()
         auto projectNode = std::make_unique<ProjectNode>(project()->projectDirectory());
         projectNode->setDisplayName(project()->displayName());
         projectNode->addNestedNodes(std::move(nodes));
-        project()->setRootProjectNode(std::move(projectNode));
+        setRootProjectNode(std::move(projectNode));
     }
 
     // Complete scan

src/plugins/projectexplorer/buildsystem.cpp

@@ -304,6 +304,11 @@ BuildTargetInfo BuildSystem::buildTarget(const QString &buildKey) const
     });
 }
 
+void BuildSystem::setRootProjectNode(std::unique_ptr<ProjectNode> &&root)
+{
+    d->m_target->project()->setRootProjectNode(std::move(root));
+}
+
 QString BuildSystem::disabledReason(const QString &buildKey) const
 {
     if (hasParsingData()) {

src/plugins/projectexplorer/buildsystem.h

@@ -87,6 +87,8 @@ public:
     const QList<BuildTargetInfo> applicationTargets() const;
     BuildTargetInfo buildTarget(const QString &buildKey) const;
 
+    void setRootProjectNode(std::unique_ptr<ProjectNode> &&root);
+
     class PROJECTEXPLORER_EXPORT ParseGuard
     {
         friend class BuildSystem;

src/plugins/python/pythonproject.cpp

@@ -222,7 +222,7 @@ void PythonBuildSystem::triggerParsing()
             appTargets.append(bti);
         }
     }
-    project()->setRootProjectNode(std::move(newRoot));
+    setRootProjectNode(std::move(newRoot));
 
     setApplicationTargets(appTargets);
 

src/plugins/qbsprojectmanager/qbsproject.cpp

@@ -694,7 +694,7 @@ void QbsBuildSystem::rebuildProjectTree()
 {
     std::unique_ptr<QbsRootProjectNode> newRoot = Internal::QbsNodeTreeBuilder::buildTree(this);
     project()->setDisplayName(newRoot ? newRoot->displayName() : projectFilePath().toFileInfo().completeBaseName());
-    project()->setRootProjectNode(std::move(newRoot));
+    setRootProjectNode(std::move(newRoot));
 }
 
 void QbsBuildSystem::handleRuleExecutionDone()

src/plugins/qmakeprojectmanager/qmakeproject.cpp

@@ -490,7 +490,7 @@ void QmakeBuildSystem::decrementPendingEvaluateFutures()
     m_asyncUpdateFutureInterface.setProgressValue(m_asyncUpdateFutureInterface.progressValue() + 1);
     if (m_pendingEvaluateFuturesCount == 0) {
         // We are done!
-        project()->setRootProjectNode(QmakeNodeTreeBuilder::buildTree(this));
+        setRootProjectNode(QmakeNodeTreeBuilder::buildTree(this));
 
         if (!m_rootProFile->validParse())
             m_asyncUpdateFutureInterface.reportCanceled();

src/plugins/qmlprojectmanager/qmlproject.cpp

@@ -363,7 +363,7 @@ void QmlBuildSystem::generateProjectTree()
     }
     newRoot->addNestedNode(std::make_unique<FileNode>(projectFilePath(), FileType::Project));
 
-    project()->setRootProjectNode(std::move(newRoot));
+    setRootProjectNode(std::move(newRoot));
     refreshTargetDirectory();
 }