Handles closing of projects while indexing

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/CModelManager.java

@@ -65,6 +65,7 @@ import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.ISafeRunnable;
 import org.eclipse.core.runtime.Platform;
+import org.eclipse.core.runtime.SafeRunner;
 import org.eclipse.core.runtime.content.IContentTypeManager.ContentTypeChangeEvent;
 import org.eclipse.core.runtime.content.IContentTypeManager.IContentTypeChangeListener;
 
@@ -753,6 +754,16 @@ public class CModelManager implements IResourceChangeListener, ICDescriptorListe
 					}
 					break;
 
+				case IResourceChangeEvent.PRE_CLOSE :
+					try {
+						if (resource.getType() == IResource.PROJECT && 	
+						    ( ((IProject)resource).hasNature(CProjectNature.C_NATURE_ID) ||
+						      ((IProject)resource).hasNature(CCProjectNature.CC_NATURE_ID) )){
+							this.closing((IProject) resource, delta);}
+					} catch (CoreException e) {
+					}
+					break;
+
 				case IResourceChangeEvent.POST_CHANGE :
 					try {
 						if (delta != null) {
@@ -934,7 +945,7 @@ public class CModelManager implements IResourceChangeListener, ICDescriptorListe
 					start = System.currentTimeMillis();
 				}
 				// wrap callbacks with Safe runnable for subsequent listeners to be called when some are causing grief
-				Platform.run(new ISafeRunnable() {
+				SafeRunner.run(new ISafeRunnable() {
 
 					public void handleException(Throwable exception) {
 						//CCorePlugin.log(exception, "Exception occurred in listener of C element change notification"); //$NON-NLS-1$
@@ -1153,4 +1164,11 @@ public class CModelManager implements IResourceChangeListener, ICDescriptorListe
 		CCoreInternals.getPDOMManager().deleteProject(create(project), delta);
 	}
 
+	private void closing(IProject project, IResourceDelta delta) {
+		// stop the binary runner for this project
+		removeBinaryRunner(project);
+		// stop indexing jobs for this project
+		CCoreInternals.getPDOMManager().removeProject(create(project));
+	}
+
 }

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/DefaultPathEntryStore.java

@@ -93,7 +93,7 @@ public class DefaultPathEntryStore implements IPathEntryStore, ICDescriptorListe
 			NodeList list = element.getChildNodes();
 			for (int i = 0; i < list.getLength(); i++) {
 				Node childNode = list.item(i);
-				if (childNode.getNodeType() == Node.ELEMENT_NODE) {
+				if (childNode != null && childNode.getNodeType() == Node.ELEMENT_NODE) {
 					if (childNode.getNodeName().equals(PATH_ENTRY)) {
 						pathEntries.add(decodePathEntry(fProject, (Element) childNode));
 					}

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/CModelListener.java

@@ -64,7 +64,7 @@ public class CModelListener implements IElementChangedListener {
 				fManager.changeProject(project, delta);
 				break;
 			case ICElementDelta.REMOVED:
-				fManager.removeProject(project);
+				// handled on pre-close and pre-delete
 				break;
 			}
 		}

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOMManager.java

@@ -76,7 +76,6 @@ public class PDOMManager implements IPDOMManager, IWritableIndexManager, IListen
 
 	private static final QualifiedName indexerProperty= new QualifiedName(CCorePlugin.PLUGIN_ID, "pdomIndexer"); //$NON-NLS-1$
 	private static final QualifiedName dbNameProperty= new QualifiedName(CCorePlugin.PLUGIN_ID, "pdomName"); //$NON-NLS-1$
-	private static final QualifiedName pdomProperty= new QualifiedName(CCorePlugin.PLUGIN_ID, "pdom"); //$NON-NLS-1$
 
 	public static final String INDEXER_ID_KEY = "indexerId"; //$NON-NLS-1$
 	public static final String INDEX_ALL_FILES = "indexAllFiles"; //$NON-NLS-1$
@@ -102,7 +101,8 @@ public class PDOMManager implements IPDOMManager, IWritableIndexManager, IListen
     /**
      * Stores mapping from pdom to project, used to serialize\ creation of new pdoms.
      */
-    private Map fPDOMs= new HashMap();
+    private Map fProjectToPDOM= new HashMap();
+    private Map fLocationToCProject= new HashMap();
 	private ListenerList fChangeListeners= new ListenerList();
 	private ListenerList fStateListeners= new ListenerList();
 	
@@ -145,48 +145,44 @@ public class PDOMManager implements IPDOMManager, IWritableIndexManager, IListen
 	}
 
 	public IPDOM getPDOM(ICProject project) throws CoreException {
-		synchronized (fPDOMs) {
+		synchronized (fProjectToPDOM) {
 			IProject rproject = project.getProject();
-			WritablePDOM pdom = (WritablePDOM)rproject.getSessionProperty(pdomProperty);
+			WritablePDOM pdom = (WritablePDOM) fProjectToPDOM.get(rproject);
 			if (pdom != null) {
-				ICProject oldProject= (ICProject) fPDOMs.get(pdom);
-				if (project.equals(oldProject)) {
 				return pdom;
 			}
 
-				if (oldProject != null && oldProject.getProject().exists()) {
+			String dbName= rproject.getPersistentProperty(dbNameProperty);
-					// old project exists, don't use pdom
+			IPath dbPath= null;
-					String dbName= getDefaultName(project);
+			if (dbName != null) {
-					rproject.setPersistentProperty(dbNameProperty, dbName);
+				dbPath= CCorePlugin.getDefault().getStateLocation().append(dbName);
+				ICProject currentCOwner= (ICProject) fLocationToCProject.get(dbPath);
+				if (currentCOwner != null) {
+					IProject currentOwner= currentCOwner.getProject();
+					if (currentOwner.exists()) {
+						dbName= null;
+						dbPath= null;
 					}
 					else {
-					// pdom can be reused, as the other project has gone
+						pdom= (WritablePDOM) fProjectToPDOM.remove(currentOwner);
-					fPDOMs.put(pdom, project);
+						fLocationToCProject.remove(dbPath);
-					return pdom;
-				}
-			}		
-
-			// make sure we get a unique name.
-			String dbName= rproject.getPersistentProperty(dbNameProperty);
-			if (dbName != null) {
-				IPath dbPath= CCorePlugin.getDefault().getStateLocation().append(dbName);
-				for (Iterator iter = fPDOMs.keySet().iterator(); dbName != null && iter.hasNext();) {
-					PDOM existingPDOM = (PDOM) iter.next();
-					if (existingPDOM.getPath().equals(dbPath)) {
-						dbName= null;
 					}
 				}
 			}
 
+			if (pdom == null) {
 				if (dbName == null) {
-				dbName = getDefaultName(project); 
+					dbName= getDefaultName(project);
 					rproject.setPersistentProperty(dbNameProperty, dbName);
+					dbPath= CCorePlugin.getDefault().getStateLocation().append(dbName);
 				}
-			IPath dbPath = CCorePlugin.getDefault().getStateLocation().append(dbName);
+			
 				pdom = new WritablePDOM(dbPath);
 				pdom.addListener(this);
-			rproject.setSessionProperty(pdomProperty, pdom);
+			}
-			fPDOMs.put(pdom, project);
+			
+			fLocationToCProject.put(dbPath, project);
+			fProjectToPDOM.put(rproject, pdom);
 			return pdom;
 		}
 	}
@@ -330,7 +326,7 @@ public class PDOMManager implements IPDOMManager, IWritableIndexManager, IListen
 	}
 
 	private void changeIndexer(ICProject cproject) throws CoreException {
-		assert !Thread.holdsLock(fPDOMs);
+		assert !Thread.holdsLock(fProjectToPDOM);
 		IPDOMIndexer oldIndexer= null;
 		String newid= getIndexerId(cproject);
 		boolean allFiles= getIndexAllFiles(cproject);
@@ -351,7 +347,7 @@ public class PDOMManager implements IPDOMManager, IWritableIndexManager, IListen
 	}
 
 	public IPDOMIndexer getIndexer(ICProject project, boolean create) {
-		assert !Thread.holdsLock(fPDOMs);
+		assert !Thread.holdsLock(fProjectToPDOM);
 		synchronized (fIndexerMutex) {
 			IProject rproject = project.getProject();
 			if (!rproject.isOpen()) {
@@ -500,7 +496,7 @@ public class PDOMManager implements IPDOMManager, IWritableIndexManager, IListen
 
 	}
 
-	public void removeProject(ICProject project) throws CoreException {
+	public void removeProject(ICProject project) {
 		IPDOMIndexer indexer= getIndexer(project, false);
 		if (indexer != null) {
 			stopIndexer(indexer);
@@ -554,7 +550,7 @@ public class PDOMManager implements IPDOMManager, IWritableIndexManager, IListen
 	}    
 
 	public void reindex(ICProject project) throws CoreException {
-		assert !Thread.holdsLock(fPDOMs);
+		assert !Thread.holdsLock(fProjectToPDOM);
 		IPDOMIndexer indexer= null;
 		synchronized (fIndexerMutex) {
 			indexer= getIndexer(project, false);
@@ -627,8 +623,8 @@ public class PDOMManager implements IPDOMManager, IWritableIndexManager, IListen
 		}
 		
 		ICProject project;
-		synchronized (fPDOMs) {
+		synchronized (fProjectToPDOM) {
-			project = (ICProject) fPDOMs.get(pdom);
+			project = (ICProject) fLocationToCProject.get(pdom.getPath());
 		}		
 		
 		if (project != null) {

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/indexer/PDOMIndexerTask.java

@@ -148,7 +148,9 @@ public abstract class PDOMIndexerTask implements IPDOMIndexerTask {
 			break;
 		case ICElement.C_CCONTAINER:
 			ICContainer folder= (ICContainer) element;
+			if (delta.getKind() == ICElementDelta.ADDED) {
 				collectSources(folder, added, added, allFiles);
+			}
 			break;
 		}
 			

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/indexview/IndexView.java

@@ -185,7 +185,11 @@ public class IndexView extends ViewPart implements PDOM.IListener, IElementChang
 		public Object[] getChildren(Object parentElement) {
 			try {
 				if (parentElement instanceof ICProject) {
-					PDOM pdom = (PDOM)CCoreInternals.getPDOMManager().getPDOM((ICProject)parentElement);
+					ICProject cproject= (ICProject)parentElement;
+					if (!cproject.getProject().isOpen()) {
+						return new Object[0];
+					}
+					PDOM pdom = (PDOM)CCoreInternals.getPDOMManager().getPDOM(cproject);
 					PDOMLinkage[] linkages= pdom.getLinkages();
 					if (linkages.length == 1) {
 						// Skip linkages in hierarchy if there is only one
@@ -215,7 +219,11 @@ public class IndexView extends ViewPart implements PDOM.IListener, IElementChang
 		public boolean hasChildren(Object element) {
 			try {
 				if (element instanceof ICProject) {
-					PDOM pdom = (PDOM)CCoreInternals.getPDOMManager().getPDOM((ICProject)element);
+					ICProject cproject= (ICProject)element;
+					if (!cproject.getProject().isOpen()) {
+						return false;
+					}
+					PDOM pdom = (PDOM)CCoreInternals.getPDOMManager().getPDOM(cproject);
 					PDOMLinkage[] linkages = pdom.getLinkages();
 					if (linkages.length == 0)
 						return false;
@@ -328,7 +336,6 @@ public class IndexView extends ViewPart implements PDOM.IListener, IElementChang
 				PDOM pdom = (PDOM)CCoreInternals.getPDOMManager().getPDOM(projects[i]); 
 					pdom.removeListener(this);
 			}
-			viewer.setChildCount(model, projects.length);
 		} catch (CoreException e) {
 			CUIPlugin.getDefault().log(e);
 		}