A little more PDOM magic. Project deletes, incremental parsing.

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

@@ -34,6 +34,7 @@ import org.eclipse.cdt.core.ICExtensionReference;
 import org.eclipse.cdt.core.IBinaryParser.IBinaryArchive;
 import org.eclipse.cdt.core.IBinaryParser.IBinaryFile;
 import org.eclipse.cdt.core.IBinaryParser.IBinaryObject;
+import org.eclipse.cdt.core.dom.PDOM;
 import org.eclipse.cdt.core.model.CModelException;
 import org.eclipse.cdt.core.model.CoreModel;
 import org.eclipse.cdt.core.model.ElementChangedEvent;
@@ -63,8 +64,8 @@ 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.content.IContentTypeManager.IContentTypeChangeListener;
 import org.eclipse.core.runtime.content.IContentTypeManager.ContentTypeChangeEvent;
+import org.eclipse.core.runtime.content.IContentTypeManager.IContentTypeChangeListener;
 
 public class CModelManager implements IResourceChangeListener, ICDescriptorListener, IContentTypeChangeListener {
 
@@ -1112,10 +1113,16 @@ public class CModelManager implements IResourceChangeListener, ICDescriptorListe
 		return this.fDeltaProcessor.indexManager;
 	}
 	
-
 	public void deleting(IProject project) {
 		// discard all indexing jobs for this project
 		this.getIndexManager().discardJobs(project.getName());
+		// delete the PDOM for this project
+		try {
+			PDOM.deletePDOM(project);
+		} catch (CoreException e) {
+			CCorePlugin.log(e);
+		}
+		// stop the binary runner for this project
 		removeBinaryRunner(project);
 	}
 

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/IPDOM.java

@@ -12,6 +12,7 @@ package org.eclipse.cdt.core.dom;
 
 import org.eclipse.cdt.core.dom.ast.IASTName;
 import org.eclipse.cdt.core.dom.ast.IBinding;
+import org.eclipse.cdt.core.model.IWorkingCopy;
 import org.eclipse.core.runtime.CoreException;
 
 /**
@@ -27,4 +28,10 @@ public interface IPDOM {
 	
 	public IASTName[] getDeclarations(IBinding binding) throws CoreException;
 	
+	public void delete() throws CoreException;
+	
+	public ICodeReaderFactory getCodeReaderFactory();
+	
+	public ICodeReaderFactory getCodeReaderFactory(IWorkingCopy root);
+	
 }

core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/dom/IPDOMProvider.java

@@ -13,6 +13,7 @@ package org.eclipse.cdt.core.dom;
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.model.IElementChangedListener;
 import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.CoreException;
 
 /**
  * @author Doug Schaefer
@@ -35,6 +36,13 @@ public interface IPDOMProvider {
 	 */
 	public IPDOM getPDOM(IProject project);
 
+	/**
+	 * Delete the PDOM for the given project.
+	 * 
+	 * @param project
+	 */
+	public void deletePDOM(IProject project) throws CoreException;
+	
 	/**
 	 * Return the element changed listener that will handled change
 	 * events that require the PDOM be updated.

core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/dom/PDOM.java

@@ -66,6 +66,10 @@ public class PDOM {
 		return getPDOMProvider().getPDOM(project);
 	}
 
+	public static void deletePDOM(IProject project) throws CoreException {
+		getPDOMProvider().getPDOM(project).delete();
+	}
+	
 	/**
 	 * Startup the PDOM. This mainly sets us up to handle model
 	 * change events.

core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/parser/ParserUtil.java

@@ -75,7 +75,7 @@ public class ParserUtil
 			{
 				// this is the file for sure
 				// check the working copy
-				if( workingCopies.hasNext() )
+				if( workingCopies != null && workingCopies.hasNext() )
 				{
 					char[] buffer = findWorkingCopy( resultingResource, workingCopies );
 					if( buffer != null )

core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/dom/NullPDOMProvider.java

@@ -31,4 +31,7 @@ public class NullPDOMProvider implements IPDOMProvider {
 		return null;
 	}
 	
+	public void deletePDOM(IProject project) {
+	}
+	
 }

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsAction.java

@@ -16,12 +16,15 @@ import java.util.Set;
 
 import org.eclipse.cdt.core.dom.CDOM;
 import org.eclipse.cdt.core.dom.IASTServiceProvider;
+import org.eclipse.cdt.core.dom.IPDOM;
+import org.eclipse.cdt.core.dom.PDOM;
 import org.eclipse.cdt.core.dom.IASTServiceProvider.UnsupportedDialectException;
 import org.eclipse.cdt.core.dom.ast.IASTFileLocation;
 import org.eclipse.cdt.core.dom.ast.IASTName;
 import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
 import org.eclipse.cdt.core.model.ICElement;
 import org.eclipse.cdt.core.model.ICProject;
+import org.eclipse.cdt.core.model.IWorkingCopy;
 import org.eclipse.cdt.core.parser.ParserLanguage;
 import org.eclipse.cdt.core.parser.ParserUtil;
 import org.eclipse.cdt.core.parser.util.ArrayUtil;
@@ -36,6 +39,7 @@ import org.eclipse.cdt.internal.ui.editor.CEditorMessages;
 import org.eclipse.cdt.internal.ui.util.ExternalEditorInput;
 import org.eclipse.cdt.ui.CUIPlugin;
 import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.jface.dialogs.ProgressMonitorDialog;
 import org.eclipse.jface.operation.IRunnableWithProgress;
@@ -98,7 +102,12 @@ public class OpenDeclarationsAction extends SelectionParseAction implements IUpd
 						}
 						
 						if (project instanceof ICProject) {
-							tu = CDOM.getInstance().getASTService().getTranslationUnit(input.getStorage(), ((ICProject)project).getProject());
+							IProject p = ((ICProject)project).getProject();
+							IPDOM pdom = PDOM.getPDOM(p);
+							tu = CDOM.getInstance().getASTService().getTranslationUnit(
+									input.getStorage(),
+									p,
+									pdom.getCodeReaderFactory());
 							lang = DOMSearchUtil.getLanguage(input.getStorage().getFullPath(), ((ICProject)project).getProject());
 							projectName = ((ICProject)project).getElementName();
 						}
@@ -107,15 +116,15 @@ public class OpenDeclarationsAction extends SelectionParseAction implements IUpd
 						return;
 					}
 				} else {
-					IFile resourceFile = null;
+					// an awful lot of cass goingo on here...
-					resourceFile = fEditor.getInputFile();
+					IWorkingCopy workingCopy = (IWorkingCopy)fEditor.getInputCElement();
+					IFile resourceFile = (IFile)workingCopy.getResource();
 					project = new CProject(null, resourceFile.getProject());
-					
+					IPDOM pdom = PDOM.getPDOM(resourceFile.getProject());
 					try {
 						tu = CDOM.getInstance().getASTService().getTranslationUnit(
 								resourceFile,
-								CDOM.getInstance().getCodeReaderFactory(
+								pdom.getCodeReaderFactory(workingCopy));
-										CDOM.PARSE_WORKING_COPY_WHENEVER_POSSIBLE));
 					} catch (IASTServiceProvider.UnsupportedDialectException e) {
 						operationNotAvailable(CSEARCH_OPERATION_OPERATION_UNAVAILABLE_MESSAGE);
 						return;