Attachment 156475 Details for Bug 287907 – Updated patch

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[patch] Updated patch

287907_experimental.txt (text/plain), 50.55 KB, created by Sergey Prigogin

on 2010-01-19 00:42:49 EST

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Filename:

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Creator: Sergey Prigogin

Created: 2010-01-19 00:42:49 EST

Size: 50.55 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.cdt.core
>Index: parser/org/eclipse/cdt/core/index/IIndex.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/index/IIndex.java,v
>retrieving revision 1.23
>diff -u -r1.23 IIndex.java
>--- parser/org/eclipse/cdt/core/index/IIndex.java	4 Feb 2009 11:03:38 -0000	1.23
>+++ parser/org/eclipse/cdt/core/index/IIndex.java	19 Jan 2010 00:46:34 -0000
>@@ -9,6 +9,7 @@
>  *    Markus Schorn - initial API and implementation
>  *    Andrew Ferguson (Symbian)
>  *    Bryan Wilkinson (QNX)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/ 
> package org.eclipse.cdt.core.index;
> 
>@@ -92,6 +93,12 @@
> 	public void releaseReadLock();
> 	
> 	/**
>+	 * @return <code>true</code> if there are threads waiting for read locks.
>+	 * @since 5.2
>+	 */
>+	public boolean hasWaitingReaders();
>+
>+	/**
> 	 * Returns a timestamp of when the index was last written to. This can
> 	 * be used to figure out whether information read from the index is 
> 	 * still reliable or not.
>Index: parser/org/eclipse/cdt/internal/core/index/CIndex.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/CIndex.java,v
>retrieving revision 1.40
>diff -u -r1.40 CIndex.java
>--- parser/org/eclipse/cdt/internal/core/index/CIndex.java	4 Jan 2010 09:14:26 -0000	1.40
>+++ parser/org/eclipse/cdt/internal/core/index/CIndex.java	19 Jan 2010 00:46:34 -0000
>@@ -10,6 +10,7 @@
>  *    Bryan Wilkinson (QNX)
>  *    Andrew Ferguson (Symbian)
>  *    Anton Leherbauer (Wind River Systems)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/ 
> package org.eclipse.cdt.internal.core.index;
> 
>@@ -355,6 +356,15 @@
> 		return fReadLock;
> 	}
> 
>+	public boolean hasWaitingReaders() {
>+		for (int i= 0; i < fFragments.length; i++) {
>+			if (fFragments[i].hasWaitingReaders()) {
>+				return true;
>+			}
>+		}
>+		return false;
>+	}
>+
> 	public long getLastWriteAccess() {
> 		long result= 0;
> 		for (int i = 0; i < fFragments.length; i++) {
>Index: parser/org/eclipse/cdt/internal/core/index/EmptyCIndex.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/EmptyCIndex.java,v
>retrieving revision 1.18
>diff -u -r1.18 EmptyCIndex.java
>--- parser/org/eclipse/cdt/internal/core/index/EmptyCIndex.java	28 Mar 2008 17:59:05 -0000	1.18
>+++ parser/org/eclipse/cdt/internal/core/index/EmptyCIndex.java	19 Jan 2010 00:46:34 -0000
>@@ -9,6 +9,7 @@
>  *    Markus Schorn - initial API and implementation
>  *    Bryan Wilkinson (QNX)
>  *    Andrew Ferguson (Symbian)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/ 
> 
> package org.eclipse.cdt.internal.core.index;
>@@ -85,6 +86,10 @@
> 	public void releaseReadLock() {
> 	}
> 
>+	public boolean hasWaitingReaders() {
>+		return false;
>+	}
>+
> 	public long getLastWriteAccess() {
> 		return 0;
> 	}
>Index: parser/org/eclipse/cdt/internal/core/index/IIndexFragment.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/IIndexFragment.java,v
>retrieving revision 1.28
>diff -u -r1.28 IIndexFragment.java
>--- parser/org/eclipse/cdt/internal/core/index/IIndexFragment.java	4 Jan 2010 09:14:26 -0000	1.28
>+++ parser/org/eclipse/cdt/internal/core/index/IIndexFragment.java	19 Jan 2010 00:46:34 -0000
>@@ -9,6 +9,7 @@
>  *    Markus Schorn - initial API and implementation
>  *    Bryan Wilkinson (QNX)
>  *    Andrew Ferguson (Symbian)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/ 
> package org.eclipse.cdt.internal.core.index;
> 
>@@ -191,6 +192,11 @@
> 	void releaseReadLock();
> 	
> 	/**
>+	 * @return <code>true</code> if there are threads waiting for read locks.
>+	 */
>+	public boolean hasWaitingReaders();
>+
>+	/**
> 	 * Returns the timestamp of the last modification to the index.
> 	 */
> 	long getLastWriteAccess();
>Index: parser/org/eclipse/cdt/internal/core/index/IWritableIndex.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/IWritableIndex.java,v
>retrieving revision 1.17
>diff -u -r1.17 IWritableIndex.java
>--- parser/org/eclipse/cdt/internal/core/index/IWritableIndex.java	17 Apr 2008 12:27:47 -0000	1.17
>+++ parser/org/eclipse/cdt/internal/core/index/IWritableIndex.java	19 Jan 2010 00:46:34 -0000
>@@ -8,6 +8,7 @@
>  * Contributors:
>  *    Markus Schorn - initial API and implementation
>  *    Andrew Ferguson (Symbian)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/ 
> 
> package org.eclipse.cdt.internal.core.index;
>@@ -21,6 +22,7 @@
> import org.eclipse.cdt.core.index.IIndexFile;
> import org.eclipse.cdt.core.index.IIndexFileLocation;
> import org.eclipse.cdt.internal.core.pdom.ASTFilePathResolver;
>+import org.eclipse.cdt.internal.core.pdom.YieldableIndexLock;
> import org.eclipse.core.runtime.CoreException;
> 
> /**
>@@ -65,7 +67,28 @@
> 	/**
> 	 * Creates a file object for the given location or returns an existing one.
> 	 */
>-	IIndexFragmentFile addFile(int linkageID, IIndexFileLocation fileLocation) throws CoreException;
>+	IIndexFragmentFile addFile(int linkageID, IIndexFileLocation location) throws CoreException;
>+
>+	/**
>+	 * Creates a uncommitted file object for the given location.
>+	 */
>+	IIndexFragmentFile addUncommittedFile(int linkageID, IIndexFileLocation location) throws CoreException;
>+
>+	/**
>+	 * Makes an uncommitted file that was created earlier by calling
>+	 * {@link #addUncommittedFile(int, IIndexFileLocation)} method visible in the index.
>+	 *
>+	 * @return The file that was updated.
>+	 * @throws CoreException
>+	 */
>+	IIndexFragmentFile commitUncommittedFile() throws CoreException;
>+
>+	/**
>+	 * Removes an uncommitted file if there is one. Used to recover from a failed index update.
>+	 *  
>+	 * @throws CoreException
>+	 */
>+	void clearUncommittedFile() throws CoreException;
> 
> 	/**
> 	 * Adds content to the given file.
>@@ -73,7 +96,7 @@
> 	void setFileContent(IIndexFragmentFile sourceFile, 
> 			int linkageID, IncludeInformation[] includes, 
> 			IASTPreprocessorStatement[] macros, IASTName[][] names,
>-			ASTFilePathResolver resolver) throws CoreException;
>+			ASTFilePathResolver resolver, YieldableIndexLock lock) throws CoreException, InterruptedException;
> 
> 	/**
> 	 * Clears the entire index.
>Index: parser/org/eclipse/cdt/internal/core/index/IWritableIndexFragment.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/IWritableIndexFragment.java,v
>retrieving revision 1.14
>diff -u -r1.14 IWritableIndexFragment.java
>--- parser/org/eclipse/cdt/internal/core/index/IWritableIndexFragment.java	4 Jan 2010 03:59:16 -0000	1.14
>+++ parser/org/eclipse/cdt/internal/core/index/IWritableIndexFragment.java	19 Jan 2010 00:46:35 -0000
>@@ -8,7 +8,8 @@
>  * Contributors:
>  *    Markus Schorn - initial API and implementation
>  *    Andrew Ferguson (Symbian)
>- *******************************************************************************/ 
>+ *    Sergey Prigogin (Google)
>+******************************************************************************/ 
> 
> package org.eclipse.cdt.internal.core.index;
> 
>@@ -19,6 +20,7 @@
> import org.eclipse.cdt.core.index.IIndexFileLocation;
> import org.eclipse.cdt.internal.core.index.IWritableIndex.IncludeInformation;
> import org.eclipse.cdt.internal.core.pdom.ASTFilePathResolver;
>+import org.eclipse.cdt.internal.core.pdom.YieldableIndexLock;
> import org.eclipse.core.runtime.CoreException;
> 
> /**
>@@ -41,18 +43,43 @@
> 
> 	/**
> 	 * Creates a file object for the given location and linkage or returns an existing one.
>-	 * @param fileLocation an IIndexFileLocation representing the location of the file
>-	 * @return the existing IIndexFragmentFile for this location, or a newly created one 
>+	 * @param fileLocation an IIndexFileLocation representing the location of the file.
>+	 * @return the existing IIndexFragmentFile for this location, or a newly created one. 
> 	 * @throws CoreException
> 	 */
> 	IIndexFragmentFile addFile(int linkageID, IIndexFileLocation fileLocation) throws CoreException;
> 
> 	/**
>-	 * Adds an include to the given file.
>+	 * Creates a file object for the given location and linkage. The created file object is not added to
>+	 * the file index.
>+	 * @param fileLocation an IIndexFileLocation representing the location of the file.
>+	 * @return a newly created IIndexFragmentFile. 
>+	 * @throws CoreException
>+	 */
>+	IIndexFragmentFile addUncommittedFile(int linkageID, IIndexFileLocation fileLocation) throws CoreException;
>+
>+	/**
>+	 * Makes an uncommitted file that was created earlier by calling
>+	 * {@link #addUncommittedFile(int, IIndexFileLocation)} method visible in the index.
>+     *
>+	 * @return The file that was updated.
>+	 * @throws CoreException
>+	 */
>+	IIndexFragmentFile commitUncommittedFile() throws CoreException;
>+
>+	/**
>+	 * Removes an uncommitted file if there is one. Used to recover from a failed index update.
>+	 *  
>+	 * @throws CoreException
>+	 */
>+	void clearUncommittedFile() throws CoreException;
>+
>+	/**
>+	 * Adds includes, macros and names to the given file.
> 	 */
>-	void addFileContent(IIndexFragmentFile sourceFile, 
>-			IncludeInformation[] includes,  
>-			IASTPreprocessorStatement[] macros, IASTName[][] names, ASTFilePathResolver resolver) throws CoreException;
>+	void addFileContent(IIndexFragmentFile sourceFile, IncludeInformation[] includes,  
>+			IASTPreprocessorStatement[] macros, IASTName[][] names, ASTFilePathResolver resolver,
>+			YieldableIndexLock lock) throws CoreException, InterruptedException;
> 
> 	/**
> 	 * Acquires a write lock, while giving up a certain amount of read locks.
>Index: parser/org/eclipse/cdt/internal/core/index/WritableCIndex.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/WritableCIndex.java,v
>retrieving revision 1.20
>diff -u -r1.20 WritableCIndex.java
>--- parser/org/eclipse/cdt/internal/core/index/WritableCIndex.java	4 Jan 2010 09:14:26 -0000	1.20
>+++ parser/org/eclipse/cdt/internal/core/index/WritableCIndex.java	19 Jan 2010 00:46:35 -0000
>@@ -8,6 +8,7 @@
>  * Contributors:
>  *    Markus Schorn - initial API and implementation
>  *    Andrew Ferguson (Symbian)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/ 
> 
> package org.eclipse.cdt.internal.core.index;
>@@ -19,6 +20,7 @@
> import org.eclipse.cdt.core.index.IIndexFile;
> import org.eclipse.cdt.core.index.IIndexFileLocation;
> import org.eclipse.cdt.internal.core.pdom.ASTFilePathResolver;
>+import org.eclipse.cdt.internal.core.pdom.YieldableIndexLock;
> import org.eclipse.core.runtime.CoreException;
> 
> public class WritableCIndex extends CIndex implements IWritableIndex {
>@@ -50,17 +52,29 @@
> 		return fWritableFragment.getFiles(location);
> 	}
> 
>-	public IIndexFragmentFile addFile(int linkageID, IIndexFileLocation fileLocation) throws CoreException {
>-		return fWritableFragment.addFile(linkageID, fileLocation);
>+	public IIndexFragmentFile addFile(int linkageID, IIndexFileLocation location) throws CoreException {
>+		return fWritableFragment.addFile(linkageID, location);
>+	}
>+
>+	public IIndexFragmentFile addUncommittedFile(int linkageID, IIndexFileLocation location) throws CoreException {
>+		return fWritableFragment.addUncommittedFile(linkageID, location);
>+	}
>+
>+	public IIndexFragmentFile commitUncommittedFile() throws CoreException {
>+		return fWritableFragment.commitUncommittedFile();
>+	}
>+
>+	public void clearUncommittedFile() throws CoreException {
>+		fWritableFragment.clearUncommittedFile();
> 	}
> 
> 	private boolean isWritableFragment(IIndexFragment frag) {
> 		return frag == fWritableFragment;
> 	}
> 
>-	public void setFileContent(IIndexFragmentFile file, int linkageID,
>-			IncludeInformation[] includes,
>-			IASTPreprocessorStatement[] macros, IASTName[][] names, ASTFilePathResolver resolver) throws CoreException {
>+	public void setFileContent(IIndexFragmentFile file, int linkageID, IncludeInformation[] includes,
>+			IASTPreprocessorStatement[] macros, IASTName[][] names, ASTFilePathResolver resolver,
>+			YieldableIndexLock lock) throws CoreException, InterruptedException {
> 		IIndexFragment indexFragment = file.getIndexFragment();
> 		if (!isWritableFragment(indexFragment)) {
> 			assert false : "Attempt to update file of read-only fragment"; //$NON-NLS-1$
>@@ -70,7 +84,7 @@
> 					ii.fTargetFile= addFile(linkageID, ii.fLocation);
> 				}
> 			}
>-			((IWritableIndexFragment) indexFragment).addFileContent(file, includes, macros, names, resolver);
>+			((IWritableIndexFragment) indexFragment).addFileContent(file, includes, macros, names, resolver, lock);
> 		}
> 	}
> 
>Index: parser/org/eclipse/cdt/internal/core/pdom/PDOM.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOM.java,v
>retrieving revision 1.146
>diff -u -r1.146 PDOM.java
>--- parser/org/eclipse/cdt/internal/core/pdom/PDOM.java	18 Jan 2010 02:15:28 -0000	1.146
>+++ parser/org/eclipse/cdt/internal/core/pdom/PDOM.java	19 Jan 2010 00:46:35 -0000
>@@ -6,11 +6,12 @@
>  * http://www.eclipse.org/legal/epl-v10.html
>  *
>  * Contributors:
>- *     Doug Schaefer (QNX) - Initial API and implementation
>- *     Markus Schorn (Wind River Systems)
>- *     IBM Corporation
>- *     Andrew Ferguson (Symbian)
>- *     Anton Leherbauer (Wind River Systems)
>+ *    Doug Schaefer (QNX) - Initial API and implementation
>+ *    Markus Schorn (Wind River Systems)
>+ *    IBM Corporation
>+ *    Andrew Ferguson (Symbian)
>+ *    Anton Leherbauer (Wind River Systems)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/
> package org.eclipse.cdt.internal.core.pdom;
> 
>@@ -341,7 +342,7 @@
> 		}
> 	}
> 
>-	private PDOMLinkage createLinkage(int linkageID) throws CoreException {
>+	protected PDOMLinkage createLinkage(int linkageID) throws CoreException {
> 		PDOMLinkage pdomLinkage= fLinkageIDCache.get(linkageID);
> 		if (pdomLinkage == null) {
> 			final String linkageName= Linkage.getLinkageName(linkageID);
>@@ -783,7 +784,6 @@
> 		}
> 	}
> 
>-
> 	public void releaseReadLock() {
> 		boolean clearCache= false;
> 		synchronized (mutex) {
>@@ -884,6 +884,12 @@
> 		fireChange(event);
> 	}
> 
>+	public boolean hasWaitingReaders() {
>+		synchronized (mutex) {
>+			return waitingReaders > 0;
>+		}
>+	}
>+	
> 	public long getLastWriteAccess() {
> 		return lastWriteAccess;
> 	}
>@@ -957,17 +963,23 @@
> 		PDOMName name;
> 		if ((options & FIND_DECLARATIONS) != 0) {
> 			for (name= pdomBinding.getFirstDeclaration(); name != null; name= name.getNextInBinding()) {
>-				names.add(name);
>+				if (isCommitted(name)) {
>+					names.add(name);
>+				}
> 			}
> 		}
> 		if ((options & FIND_DEFINITIONS) != 0) {
> 			for (name = pdomBinding.getFirstDefinition(); name != null; name= name.getNextInBinding()) {
>-				names.add(name);
>+				if (isCommitted(name)) {
>+					names.add(name);
>+				}
> 			}
> 		}
> 		if ((options & FIND_REFERENCES) != 0) {
> 			for (name = pdomBinding.getFirstReference(); name != null; name= name.getNextInBinding()) {
>-				names.add(name);
>+				if (isCommitted(name)) {
>+					names.add(name);
>+				}
> 			}
> 		}
> 	}
>@@ -977,24 +989,40 @@
> 		if ((options & FIND_DEFINITIONS) != 0) {
> 			for (PDOMMacro macro= container.getFirstDefinition(); macro != null; macro= macro.getNextInContainer()) {
> 				final IIndexFragmentName name = macro.getDefinition();
>-				if (name != null) {
>+				if (name != null && isCommitted(macro)) {
> 					names.add(name);
> 				}
> 			}
> 		}
> 		if ((options & FIND_REFERENCES) != 0) {
> 			for (PDOMMacroReferenceName name = container.getFirstReference(); name != null; name= name.getNextInContainer()) {
>-				names.add(name);
>+				if (isCommitted(name)) {
>+					names.add(name);
>+				}
> 			}
> 		}
> 	}
> 
>+	protected boolean isCommitted(PDOMName name) throws CoreException {
>+		return true;
>+	}
>+
>+	protected boolean isCommitted(PDOMMacro name) throws CoreException {
>+		return true;
>+	}
>+
>+	protected boolean isCommitted(PDOMMacroReferenceName name) throws CoreException {
>+		return true;
>+	}
>+
> 	public IIndexFragmentInclude[] findIncludedBy(IIndexFragmentFile file) throws CoreException {
> 		PDOMFile pdomFile= adaptFile(file);
> 		if (pdomFile != null) {
> 			List<PDOMInclude> result = new ArrayList<PDOMInclude>();
> 			for (PDOMInclude i= pdomFile.getFirstIncludedBy(); i != null; i= i.getNextInIncludedBy()) {
>-				result.add(i);
>+				if (i.getIncludedBy().getTimestamp() > 0) {
>+					result.add(i);
>+				}
> 			}
> 			return result.toArray(new PDOMInclude[result.size()]);
> 		}
>@@ -1197,6 +1225,10 @@
> 	public String createKeyForCache(long record, char[] name) {
> 		return new StringBuilder(name.length + 2).append((char) (record >> 16)).append((char) record).append(name).toString();
> 	}
>+
>+	public boolean hasLastingDefinition(PDOMBinding binding) throws CoreException {
>+		return binding.hasDefinition();
>+	}
> 	
> 	private PDOMBinding[] getCrossLanguageBindings(IBinding binding) throws CoreException {
> 		switch(binding.getLinkage().getLinkageID()) {
>Index: parser/org/eclipse/cdt/internal/core/pdom/PDOMProxy.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOMProxy.java,v
>retrieving revision 1.17
>diff -u -r1.17 PDOMProxy.java
>--- parser/org/eclipse/cdt/internal/core/pdom/PDOMProxy.java	4 Jan 2010 09:14:26 -0000	1.17
>+++ parser/org/eclipse/cdt/internal/core/pdom/PDOMProxy.java	19 Jan 2010 00:46:35 -0000
>@@ -7,6 +7,7 @@
>  *
>  * Contributors:
>  *    Markus Schorn - initial API and implementation
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/ 
> package org.eclipse.cdt.internal.core.pdom;
> 
>@@ -187,6 +188,10 @@
> 		}
> 	}
> 
>+	public boolean hasWaitingReaders() {
>+		return fDelegate != null && fDelegate.hasWaitingReaders();
>+	}
>+
> 	public synchronized void resetCacheCounters() {
> 		if (fDelegate != null)
> 			fDelegate.resetCacheCounters();
>Index: parser/org/eclipse/cdt/internal/core/pdom/PDOMWriter.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOMWriter.java,v
>retrieving revision 1.49
>diff -u -r1.49 PDOMWriter.java
>--- parser/org/eclipse/cdt/internal/core/pdom/PDOMWriter.java	4 Jan 2010 04:37:47 -0000	1.49
>+++ parser/org/eclipse/cdt/internal/core/pdom/PDOMWriter.java	19 Jan 2010 00:46:35 -0000
>@@ -8,6 +8,7 @@
>  * Contributors:
>  *    Markus Schorn - initial API and implementation
>  *    IBM Corporation
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/ 
> package org.eclipse.cdt.internal.core.pdom;
> 
>@@ -46,6 +47,7 @@
> import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
> import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCompositeTypeSpecifier.ICPPASTBaseSpecifier;
> import org.eclipse.cdt.core.index.IIndexFileLocation;
>+import org.eclipse.cdt.core.index.IIndexInclude;
> import org.eclipse.cdt.core.parser.IProblem;
> import org.eclipse.cdt.internal.core.dom.parser.ASTInternal;
> import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPUnknownBinding;
>@@ -68,6 +70,8 @@
>  * @since 4.0
>  */
> abstract public class PDOMWriter {
>+	public static boolean SEMI_TRANSACTIONAL_UPDATES = true;
>+	public static boolean ALLOW_LOCK_YIELDING = false;
> 	public static int SKIP_ALL_REFERENCES= -1;
> 	public static int SKIP_TYPE_REFERENCES= 1;
> 	public static int SKIP_MACRO_REFERENCES= 2;
>@@ -200,11 +204,11 @@
> 				if (fShowActivity) {
> 					trace("Indexer: adding " + ifl.getURI());  //$NON-NLS-1$
> 				}
>-				index.acquireWriteLock(readlockCount);
>-				long start= System.currentTimeMillis();
> 				Throwable th= null;
>+				YieldableIndexLock lock = new YieldableIndexLock(index, readlockCount, flushIndex);
>+				lock.acquire();
> 				try {
>-					storeFileInIndex(index, ifl, symbolMap, linkageID, configHash, contextIncludes);
>+					storeFileInIndex(index, ifl, symbolMap, linkageID, configHash, contextIncludes, lock);
> 				} catch (RuntimeException e) {
> 					th= e; 
> 				} catch (PDOMNotImplementedError e) {
>@@ -214,7 +218,7 @@
> 				} catch (AssertionError e) {
> 					th= e;
> 				} finally {
>-					index.releaseWriteLock(readlockCount, flushIndex);
>+					lock.release();
> 				}
> 				if (th != null) {
> 					stati.add(createStatus(NLS.bind(Messages.PDOMWriter_errorWhileParsing,
>@@ -223,7 +227,7 @@
> 				if (i < ifls.length - 1) {
> 					updateFileCount(0, 0, 1); // update header count
> 				}
>-				fStatistics.fAddToIndexTime += System.currentTimeMillis() - start;
>+				fStatistics.fAddToIndexTime += lock.getCumulativeLockTime();
> 			}
> 		}
> 	}
>@@ -448,40 +452,70 @@
> 
> 	private IIndexFragmentFile storeFileInIndex(IWritableIndex index, IIndexFileLocation location,
> 			Map<IIndexFileLocation, Symbols> symbolMap, int linkageID, int configHash,
>-			Set<IASTPreprocessorIncludeStatement> contextIncludes) throws CoreException {
>+			Set<IASTPreprocessorIncludeStatement> contextIncludes, YieldableIndexLock lock)
>+			throws CoreException, InterruptedException {
> 		Set<IIndexFileLocation> clearedContexts= Collections.emptySet();
>-		IIndexFragmentFile file= index.getWritableFile(linkageID, location);
>-		if (file != null) {
>-			clearedContexts= new HashSet<IIndexFileLocation>();
>-			index.clearFile(file, clearedContexts);
>+		IIndexFragmentFile file;
>+		long timestamp = fResolver.getLastModified(location);
>+		if (SEMI_TRANSACTIONAL_UPDATES) {
>+			// In fine grained locking mode we create a temporary PDOMFile with zero timestamp,
>+			// add names to it, then replace contents of the old file from the temporary one, then
>+			// delete the temporary file. The write lock on the index is periodically yielded while
>+			// adding names to the temporary file, if the process takes long time.
>+			IIndexFragmentFile oldFile = index.getWritableFile(linkageID, location);
>+			if (oldFile != null) {
>+				IIndexInclude[] includedBy = index.findIncludedBy(oldFile);
>+				if (includedBy.length > 0) {
>+					clearedContexts= new HashSet<IIndexFileLocation>();
>+					for (IIndexInclude include : includedBy) {
>+						clearedContexts.add(include.getIncludedByLocation());
>+					}
>+				}
>+			}
>+			file= index.addUncommittedFile(linkageID, location);
> 		} else {
>-			file= index.addFile(linkageID, location);
>+			file= index.getWritableFile(linkageID, location);
>+			if (file != null) {
>+				clearedContexts= new HashSet<IIndexFileLocation>();
>+				index.clearFile(file, clearedContexts);
>+			} else {
>+				file= index.addFile(linkageID, location);
>+			}
>+			file.setTimestamp(timestamp);
> 		}
>-		file.setTimestamp(fResolver.getLastModified(location));
>-		file.setScannerConfigurationHashcode(configHash);
>-		Symbols lists= symbolMap.get(location);
>-		if (lists != null) {
>-			IASTPreprocessorStatement[] macros= lists.fMacros.toArray(new IASTPreprocessorStatement[lists.fMacros.size()]);
>-			IASTName[][] names= lists.fNames.toArray(new IASTName[lists.fNames.size()][]);
>-			for (IASTName[] name2 : names) {
>-				final IASTName name= name2[0];
>-				if (name != null) {
>-					ASTInternal.setFullyResolved(name.getBinding(), true);
>+		try {
>+			file.setScannerConfigurationHashcode(configHash);
>+			Symbols lists= symbolMap.get(location);
>+			if (lists != null) {
>+				IASTPreprocessorStatement[] macros= lists.fMacros.toArray(new IASTPreprocessorStatement[lists.fMacros.size()]);
>+				IASTName[][] names= lists.fNames.toArray(new IASTName[lists.fNames.size()][]);
>+				for (IASTName[] name2 : names) {
>+					final IASTName name= name2[0];
>+					if (name != null) {
>+						ASTInternal.setFullyResolved(name.getBinding(), true);
>+					}
> 				}
>-			}
>-
>-			IncludeInformation[] includeInfos= new IncludeInformation[lists.fIncludes.size()];
>-			for (int i= 0; i < lists.fIncludes.size(); i++) {
>-				final IASTPreprocessorIncludeStatement include = lists.fIncludes.get(i);
>-				final IncludeInformation info= includeInfos[i]= new IncludeInformation();
>-				info.fStatement= include;
>-				if (include.isResolved()) {
>-					info.fLocation= fResolver.resolveASTPath(include.getPath());
>-					info.fIsContext= include.isActive() && 
>-						(contextIncludes.contains(include) || clearedContexts.contains(info.fLocation));
>+	
>+				IncludeInformation[] includeInfos= new IncludeInformation[lists.fIncludes.size()];
>+				for (int i= 0; i < lists.fIncludes.size(); i++) {
>+					final IASTPreprocessorIncludeStatement include = lists.fIncludes.get(i);
>+					final IncludeInformation info= includeInfos[i]= new IncludeInformation();
>+					info.fStatement= include;
>+					if (include.isResolved()) {
>+						info.fLocation= fResolver.resolveASTPath(include.getPath());
>+						info.fIsContext= include.isActive() && 
>+							(contextIncludes.contains(include) || clearedContexts.contains(info.fLocation));
>+					}
> 				}
>+				index.setFileContent(file, linkageID, includeInfos, macros, names, fResolver,
>+						SEMI_TRANSACTIONAL_UPDATES && ALLOW_LOCK_YIELDING ? lock : null);
>+			}
>+			if (SEMI_TRANSACTIONAL_UPDATES) {
>+				file.setTimestamp(timestamp);
>+				file = index.commitUncommittedFile();
> 			}
>-			index.setFileContent(file, linkageID, includeInfos, macros, names, fResolver);
>+		} finally {
>+			index.clearUncommittedFile();
> 		}
> 		return file;
> 	}
>Index: parser/org/eclipse/cdt/internal/core/pdom/WritablePDOM.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/WritablePDOM.java,v
>retrieving revision 1.30
>diff -u -r1.30 WritablePDOM.java
>--- parser/org/eclipse/cdt/internal/core/pdom/WritablePDOM.java	18 Jan 2010 21:42:49 -0000	1.30
>+++ parser/org/eclipse/cdt/internal/core/pdom/WritablePDOM.java	19 Jan 2010 00:46:35 -0000
>@@ -8,6 +8,7 @@
>  * Contributors:
>  *    Markus Schorn - initial API and implementation
>  *    Andrew Ferguson (Symbian)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/ 
> package org.eclipse.cdt.internal.core.pdom;
> 
>@@ -25,17 +26,26 @@
> import org.eclipse.cdt.internal.core.index.IIndexFragmentFile;
> import org.eclipse.cdt.internal.core.index.IWritableIndexFragment;
> import org.eclipse.cdt.internal.core.index.IWritableIndex.IncludeInformation;
>+import org.eclipse.cdt.internal.core.pdom.db.BTree;
> import org.eclipse.cdt.internal.core.pdom.db.ChunkCache;
> import org.eclipse.cdt.internal.core.pdom.db.DBProperties;
> import org.eclipse.cdt.internal.core.pdom.db.IBTreeVisitor;
> import org.eclipse.cdt.internal.core.pdom.dom.IPDOMLinkageFactory;
>+import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
> import org.eclipse.cdt.internal.core.pdom.dom.PDOMFile;
>+import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
>+import org.eclipse.cdt.internal.core.pdom.dom.PDOMMacro;
>+import org.eclipse.cdt.internal.core.pdom.dom.PDOMMacroReferenceName;
>+import org.eclipse.cdt.internal.core.pdom.dom.PDOMName;
> import org.eclipse.core.runtime.CoreException;
> 
> public class WritablePDOM extends PDOM implements IWritableIndexFragment {	
> 	private boolean fClearedBecauseOfVersionMismatch= false;
> 	private boolean fCreatedFromScratch= false;
> 	private ASTFilePathResolver fPathResolver;
>+	private PDOMFile fileBeingUpdated;
>+	private PDOMFile uncommittedFile;
>+	private IIndexFileLocation uncommittedLocation;
> 
> 	public WritablePDOM(File dbPath, IIndexLocationConverter locationConverter,
> 			Map<String, IPDOMLinkageFactory> linkageFactoryMappings) throws CoreException {
>@@ -53,11 +63,57 @@
> 
> 	@Override
> 	public IIndexFragmentFile addFile(int linkageID, IIndexFileLocation location) throws CoreException {
>+		if (uncommittedLocation != null && uncommittedLocation.equals(location)) {
>+			return uncommittedFile;
>+		}
> 		return super.addFile(linkageID, location);
> 	}
> 
>+	public IIndexFragmentFile addUncommittedFile(int linkageID, IIndexFileLocation location) throws CoreException {
>+		uncommittedLocation = location;
>+		fileBeingUpdated = getFile(linkageID, uncommittedLocation);
>+		PDOMLinkage linkage= createLinkage(linkageID);
>+		uncommittedFile = new PDOMFile(linkage, location, linkageID);
>+		return uncommittedFile;
>+	}
>+
>+	public IIndexFragmentFile commitUncommittedFile() throws CoreException {
>+		if (uncommittedFile == null)
>+			return null;
>+		IIndexFragmentFile file;
>+		if (fileBeingUpdated == null) {
>+			// New file.
>+			BTree fileIndex = getFileIndex();
>+			fileIndex.insert(uncommittedFile.getRecord());
>+			file = uncommittedFile;
>+		} else {
>+			// Existing file.
>+			fileBeingUpdated.replaceContentsFrom(uncommittedFile);
>+			file = fileBeingUpdated;
>+			fileBeingUpdated = null;
>+		}
>+		fEvent.fFilesWritten.add(uncommittedLocation);
>+		uncommittedFile = null;
>+		uncommittedLocation = null;
>+		return file;
>+	}
>+
>+	public void clearUncommittedFile() throws CoreException {
>+		if (uncommittedFile != null) {
>+			try {
>+				uncommittedFile.clear(null);
>+				uncommittedFile.delete();
>+			} finally {
>+				uncommittedFile = null;
>+				uncommittedLocation = null;
>+				fileBeingUpdated = null;
>+			}
>+		}
>+	}
>+
> 	public void addFileContent(IIndexFragmentFile sourceFile, IncludeInformation[] includes, 
>-			IASTPreprocessorStatement[] macros, IASTName[][] names, ASTFilePathResolver pathResolver) throws CoreException {
>+			IASTPreprocessorStatement[] macros, IASTName[][] names, ASTFilePathResolver pathResolver,
>+			YieldableIndexLock lock) throws CoreException, InterruptedException {
> 		assert sourceFile.getIndexFragment() == this;
> 		
> 		PDOMFile pdomFile = (PDOMFile) sourceFile;
>@@ -66,14 +122,16 @@
> 		final ASTFilePathResolver origResolver= fPathResolver;
> 		fPathResolver= pathResolver;
> 		try {
>-			pdomFile.addNames(names);
>+			pdomFile.addNames(names, lock);
> 		} finally {
> 			fPathResolver= origResolver;
> 		}
> 		
> 		final IIndexFileLocation location = pdomFile.getLocation();
>-		fEvent.fClearedFiles.remove(location);
>-		fEvent.fFilesWritten.add(location);
>+		if (location != null) {
>+			fEvent.fClearedFiles.remove(location);
>+			fEvent.fFilesWritten.add(location);
>+		}
> 	}
> 
> 	public void clearFile(IIndexFragmentFile file, Collection<IIndexFileLocation> contextsRemoved)
>@@ -171,11 +229,47 @@
> 
> 	public PDOMFile getFileForASTPath(int linkageID, String astPath) throws CoreException {
> 		if (fPathResolver != null && astPath != null) {
>-			return getFile(linkageID, fPathResolver.resolveASTPath(astPath));
>+			IIndexFileLocation location = fPathResolver.resolveASTPath(astPath);
>+			if (location.equals(uncommittedLocation))
>+				return fileBeingUpdated != null ? fileBeingUpdated : uncommittedFile;
>+			return getFile(linkageID, location);
> 		}
> 		return null;
> 	}
> 
>+	@Override
>+	public boolean hasLastingDefinition(PDOMBinding binding) throws CoreException {
>+		if (fileBeingUpdated == null) {
>+			return binding.hasDefinition();
>+		}
>+		// Definitions in fileBeingUpdated will soon go away, so look for a definition elsewhere.
>+		for (PDOMName name = binding.getFirstDefinition(); name != null; name = name.getNextInBinding()) {
>+			if (!fileBeingUpdated.getPDOM().equals(name.getPDOM()) ||
>+					fileBeingUpdated.getRecord() != name.getFileRecord()) {
>+				return true;
>+			}
>+		}
>+		return false;
>+	}
>+
>+	@Override
>+	protected boolean isCommitted(PDOMName name) throws CoreException {
>+		return uncommittedFile == null || !uncommittedFile.getPDOM().equals(name.getPDOM()) ||
>+				uncommittedFile.getRecord() != name.getFileRecord();
>+	}
>+
>+	@Override
>+	protected boolean isCommitted(PDOMMacro name) throws CoreException {
>+		return uncommittedFile == null || !uncommittedFile.getPDOM().equals(name.getPDOM()) ||
>+				uncommittedFile.getRecord() != name.getFileRecord();
>+	}
>+
>+	@Override
>+	protected boolean isCommitted(PDOMMacroReferenceName name) throws CoreException {
>+		return uncommittedFile == null || !uncommittedFile.getPDOM().equals(name.getPDOM()) ||
>+				uncommittedFile.getRecord() != name.getFileRecord();
>+	}
>+
> 	/* (non-Javadoc)
> 	 * @see org.eclipse.cdt.internal.core.index.IWritableIndexFragment#getDatabaseSizeBytes()
> 	 */
>Index: parser/org/eclipse/cdt/internal/core/pdom/YieldableIndexLock.java
>===================================================================
>RCS file: parser/org/eclipse/cdt/internal/core/pdom/YieldableIndexLock.java
>diff -N parser/org/eclipse/cdt/internal/core/pdom/YieldableIndexLock.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ parser/org/eclipse/cdt/internal/core/pdom/YieldableIndexLock.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,74 @@
>+/*******************************************************************************
>+ * Copyright (c) 2010 Google, Inc and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * 	  Sergey Prigogin (Google) - initial API and implementation
>+ *******************************************************************************/
>+package org.eclipse.cdt.internal.core.pdom;
>+
>+import org.eclipse.cdt.internal.core.index.IWritableIndex;
>+
>+/**
>+ * Write lock on the index that can be yielded temporarily to unblock threads that need
>+ * read access to the index. 
>+ * @since 5.2
>+ */
>+public class YieldableIndexLock {
>+	private final IWritableIndex index;
>+	private final int readlockCount;
>+	private final boolean flushIndex;
>+	private long lastLockTime;
>+	private long cumulativeLockTime;
>+
>+	public YieldableIndexLock(IWritableIndex index, int readlockCount, boolean flushIndex) {
>+		this.index = index;
>+		this.readlockCount = readlockCount;
>+		this.flushIndex = flushIndex;
>+	}
>+
>+	/**
>+	 * Acquires the lock.
>+	 * 
>+	 * @throws InterruptedException
>+	 */
>+	public void acquire() throws InterruptedException {
>+		index.acquireWriteLock(readlockCount);
>+		lastLockTime = System.currentTimeMillis();
>+	}
>+
>+	/**
>+	 * Releases the lock.
>+	 */
>+	public void release() {
>+		if (lastLockTime != 0) {
>+			index.releaseWriteLock(readlockCount, flushIndex);
>+			cumulativeLockTime += System.currentTimeMillis() - lastLockTime;
>+			lastLockTime = 0;
>+		}
>+	}
>+
>+	/**
>+	 * Yields the lock temporarily if it was held for YIELD_INTERVAL or more, and somebody is waiting
>+	 * for a read lock. 
>+	 * @throws InterruptedException
>+	 */
>+	public void yield() throws InterruptedException {
>+		if (index.hasWaitingReaders()) {
>+			index.releaseWriteLock(readlockCount, false);
>+			cumulativeLockTime += System.currentTimeMillis() - lastLockTime;
>+			lastLockTime = 0;
>+			acquire();
>+		}
>+	}
>+
>+	/**
>+	 * @return Total time the lock was held in milliseconds. 
>+	 */
>+	public long getCumulativeLockTime() {
>+		return cumulativeLockTime;
>+	}
>+}
>Index: parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMFile.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMFile.java,v
>retrieving revision 1.57
>diff -u -r1.57 PDOMFile.java
>--- parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMFile.java	18 Jan 2010 21:38:01 -0000	1.57
>+++ parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMFile.java	19 Jan 2010 00:46:36 -0000
>@@ -9,6 +9,7 @@
>  *    QNX - Initial API and implementation
>  *    Markus Schorn (Wind River Systems)
>  *    Andrew Ferguson (Symbian)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/
> package org.eclipse.cdt.internal.core.pdom.dom;
> 
>@@ -30,6 +31,7 @@
> import org.eclipse.cdt.core.dom.ast.IMacroBinding;
> import org.eclipse.cdt.core.dom.ast.IParameter;
> import org.eclipse.cdt.core.dom.ast.cpp.ICPPUsingDirective;
>+import org.eclipse.cdt.core.index.IIndexFile;
> import org.eclipse.cdt.core.index.IIndexFileLocation;
> import org.eclipse.cdt.core.index.IIndexInclude;
> import org.eclipse.cdt.core.index.IIndexLocationConverter;
>@@ -42,6 +44,7 @@
> import org.eclipse.cdt.internal.core.index.IndexFileLocation;
> import org.eclipse.cdt.internal.core.index.IWritableIndex.IncludeInformation;
> import org.eclipse.cdt.internal.core.pdom.PDOM;
>+import org.eclipse.cdt.internal.core.pdom.YieldableIndexLock;
> import org.eclipse.cdt.internal.core.pdom.db.BTree;
> import org.eclipse.cdt.internal.core.pdom.db.Database;
> import org.eclipse.cdt.internal.core.pdom.db.IBTreeComparator;
>@@ -115,6 +118,10 @@
> 		return record;
> 	}
> 
>+	public PDOM getPDOM() {
>+		return fLinkage.getPDOM();
>+	}
>+	
> 	@Override
> 	public boolean equals(Object obj) {
> 		if (obj == this)
>@@ -128,13 +135,116 @@
> 
> 	@Override
> 	public final int hashCode() {
>-		return System.identityHashCode(fLinkage.getPDOM()) + (int)(41*record);
>+		return System.identityHashCode(fLinkage.getPDOM()) + (int) (41 * record);
> 	}
> 	
> 	/**
>-	 * Directly changes this record's internal location string. The format
>-	 * of this string is unspecified in general and is determined by the 
>-	 * associated IIndexLocationConverter
>+	 * Transfers names, macros and includes from another file to this one and deletes the other file.
>+	 * @param sourceFile the file to transfer the local bindings from.
>+	 * @throws CoreException
>+	 */
>+	public void replaceContentsFrom(PDOMFile sourceFile) throws CoreException {
>+		ICPPUsingDirective[] directives= getUsingDirectives();
>+		for (ICPPUsingDirective ud : directives) {
>+			if (ud instanceof IPDOMNode) {
>+				((IPDOMNode) ud).delete(null);
>+			}
>+		}
>+		setFirstUsingDirectiveRec(sourceFile.getLastUsingDirectiveRec());
>+
>+		// Replace the includes
>+		PDOMInclude include = getFirstInclude();
>+		while (include != null) {
>+			PDOMInclude nextInclude = include.getNextInIncludes();
>+			IIndexFile includedBy = include.getIncludedBy();
>+			if (this.equals(includedBy)) {
>+				include.delete();
>+			}
>+			include = nextInclude;
>+		}
>+		include = sourceFile.getFirstInclude();
>+		setFirstInclude(include);
>+		while (include != null) {
>+			IIndexFile includedBy = include.getIncludedBy();
>+			if (sourceFile.equals(includedBy)) {
>+				include.setIncludedBy(this);
>+				if (sourceFile.equals(include.getIncludes())) {
>+					include.setIncludes(this);
>+				}
>+			}
>+			include = include.getNextInIncludes();
>+		}
>+
>+		// Replace all the macros in this file.
>+		PDOMLinkage linkage= getLinkage();
>+		PDOMMacro macro = getFirstMacro();
>+		while (macro != null) {
>+			PDOMMacro nextMacro = macro.getNextMacro();
>+			macro.delete(linkage);
>+			macro = nextMacro;
>+		}
>+		macro = sourceFile.getFirstMacro();
>+		setFirstMacro(macro);
>+		for (; macro != null; macro = macro.getNextMacro()) {
>+			macro.setFile(this);
>+		}
>+
>+		// Replace all macro references
>+		ArrayList<PDOMMacroReferenceName> mrefs= new ArrayList<PDOMMacroReferenceName>();
>+		PDOMMacroReferenceName mref = getFirstMacroReference();
>+		while (mref != null) {
>+			mrefs.add(mref);
>+			mref= mref.getNextInFile();
>+		}
>+		for (PDOMMacroReferenceName m : mrefs) {
>+			m.delete();
>+		}
>+		mref = sourceFile.getFirstMacroReference();
>+		setFirstMacroReference(mref);
>+		for (; mref != null; mref = mref.getNextInFile()) {
>+			mref.setFile(this);
>+		}
>+
>+		// Replace all the names in this file
>+		ArrayList<PDOMName> names= new ArrayList<PDOMName>();
>+		PDOMName name = getFirstName();
>+		for (; name != null; name= name.getNextInFile()) {
>+			names.add(name);
>+			linkage.onDeleteName(name);
>+		}
>+		for (Iterator<PDOMName> iterator = names.iterator(); iterator.hasNext();) {
>+			name = iterator.next();
>+			name.delete();
>+		}
>+		name = sourceFile.getFirstName();
>+		setFirstName(name);
>+		for (; name != null; name= name.getNextInFile()) {
>+			name.setFile(this);
>+		}
>+
>+		setTimestamp(sourceFile.getTimestamp());
>+		setScannerConfigurationHashcode(sourceFile.getScannerConfigurationHashcode());
>+
>+		sourceFile.delete();
>+	}
>+
>+	/**
>+	 * This method should not be called on PDOMFile objects that are referenced by the file index.
>+	 * @param location a new location
>+	 * @throws CoreException
>+	 */
>+	public void setLocation(IIndexFileLocation location) throws CoreException {
>+		String locationString = fLinkage.getPDOM().getLocationConverter().toInternalFormat(location);
>+		if (locationString == null)
>+			throw new CoreException(CCorePlugin.createStatus(Messages.getString("PDOMFile.toInternalProblem") + //$NON-NLS-1$
>+					location.getURI()));
>+		setInternalLocation(locationString);
>+	}
>+
>+	/**
>+	 * Directly changes this record's internal location string. The format of this string is unspecified
>+	 * in general and is determined by the associated IIndexLocationConverter.
>+	 * This method should not be called on PDOMFile objects that are referenced by the file index.
> 	 * @param internalLocation
> 	 * @throws CoreException
> 	 */
>@@ -256,7 +366,7 @@
> 		return fLinkage;
> 	}
> 
>-	public void addNames(IASTName[][] names) throws CoreException {
>+	public void addNames(IASTName[][] names, YieldableIndexLock lock) throws CoreException, InterruptedException {
> 		assert getFirstName() == null;
> 		assert getFirstMacroReference() == null;
> 		final PDOMLinkage linkage= getLinkage();
>@@ -265,6 +375,9 @@
> 		PDOMMacroReferenceName lastMacroName= null;
> 		for (IASTName[] name : names) {
> 			if (name[0] != null) {
>+				if (lock != null) {
>+					lock.yield();
>+				}
> 				PDOMName caller= nameCache.get(name[1]);
> 				IIndexFragmentName fname= createPDOMName(linkage, name[0], caller);
> 				if (fname instanceof PDOMName) {
>@@ -340,7 +453,7 @@
> 			include.delete();
> 			include = nextInclude;
> 		}
>-		setFirstInclude(include);
>+		setFirstInclude(null);
> 
> 		// Delete all the macros in this file
> 		PDOMLinkage linkage= getLinkage();
>@@ -381,6 +494,15 @@
> 		setTimestamp(-1);
> 	}
> 
>+	/**
>+	 * Deletes this file from PDOM. Only uncommitted files can be safely deleted.
>+	 *
>+	 * @throws CoreException
>+	 */
>+	public void delete() throws CoreException {
>+		fLinkage.getDB().free(record);
>+	}
>+
> 	public void addIncludesTo(IncludeInformation[] includeInfos) throws CoreException {
> 		assert getFirstInclude() == null;
> 
>Index: parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMInclude.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMInclude.java,v
>retrieving revision 1.22
>diff -u -r1.22 PDOMInclude.java
>--- parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMInclude.java	9 Aug 2009 01:17:34 -0000	1.22
>+++ parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMInclude.java	19 Jan 2010 00:46:36 -0000
>@@ -141,6 +141,11 @@
> 		return rec != 0 ? new PDOMFile(linkage, rec) : null;
> 	}
> 
>+	void setIncludes(PDOMFile includedFile) throws CoreException {
>+		long rec = includedFile != null ? includedFile.getRecord() : 0;
>+		linkage.getDB().putRecPtr(record + INCLUDED_FILE, rec);
>+	}
>+
> 	/**
> 	 * Checks if the name is the same as the end part of the path of the included file.
> 	 */
>@@ -166,7 +171,7 @@
> 		return rec != 0 ? new PDOMFile(linkage, rec) : null;
> 	}
> 
>-	private void setIncludedBy(PDOMFile includedBy) throws CoreException {
>+	void setIncludedBy(PDOMFile includedBy) throws CoreException {
> 		long rec = includedBy != null ? includedBy.getRecord() : 0;
> 		linkage.getDB().putRecPtr(record + INCLUDED_BY, rec);
> 	}
>Index: parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java,v
>retrieving revision 1.26
>diff -u -r1.26 PDOMMacro.java
>--- parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java	11 Dec 2009 11:11:16 -0000	1.26
>+++ parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java	19 Jan 2010 00:46:36 -0000
>@@ -9,6 +9,7 @@
>  *    QNX - Initial API and implementation
>  *    Markus Schorn (Wind River Systems)
>  *    Andrew Ferguson (Symbian)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/
> package org.eclipse.cdt.internal.core.pdom.dom;
> 
>@@ -116,7 +117,7 @@
> 	public PDOM getPDOM() {
> 		return fLinkage.getPDOM();
> 	}
>-	
>+
> 	public long getRecord() {
> 		return fRecord;
> 	}
>@@ -269,6 +270,14 @@
> 		return filerec != 0 ? new PDOMFile(fLinkage, filerec) : null;
> 	}
> 
>+	public long getFileRecord() throws CoreException {
>+		return fLinkage.getDB().getRecPtr(fRecord + FILE);
>+	}
>+
>+	void setFile(PDOMFile file) throws CoreException {
>+		fLinkage.getDB().putRecPtr(fRecord + FILE, file != null ? file.getRecord() : 0);
>+	}
>+
> 	public int getEndingLineNumber() {
> 		return 0;
> 	}
>Index: parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacroReferenceName.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacroReferenceName.java,v
>retrieving revision 1.6
>diff -u -r1.6 PDOMMacroReferenceName.java
>--- parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacroReferenceName.java	2 Jul 2009 08:57:38 -0000	1.6
>+++ parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacroReferenceName.java	19 Jan 2010 00:46:36 -0000
>@@ -8,6 +8,7 @@
>  * Contributors:
>  *    QNX - Initial API and implementation
>  *    Markus Schorn (Wind River Systems)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/
> package org.eclipse.cdt.internal.core.pdom.dom;
> 
>@@ -21,6 +22,7 @@
> import org.eclipse.cdt.internal.core.index.IIndexFragment;
> import org.eclipse.cdt.internal.core.index.IIndexFragmentBinding;
> import org.eclipse.cdt.internal.core.index.IIndexFragmentName;
>+import org.eclipse.cdt.internal.core.pdom.PDOM;
> import org.eclipse.cdt.internal.core.pdom.db.Database;
> import org.eclipse.core.runtime.CoreException;
> import org.eclipse.core.runtime.IPath;
>@@ -67,6 +69,10 @@
> 		return record;
> 	}
> 
>+	public PDOM getPDOM() {
>+		return linkage.getPDOM();
>+	}
>+
> 	private long getRecField(int offset) throws CoreException {
> 		return linkage.getDB().getRecPtr(record + offset);
> 	}
>@@ -110,7 +116,15 @@
> 		long filerec = linkage.getDB().getRecPtr(record + FILE_REC_OFFSET);
> 		return filerec != 0 ? new PDOMFile(linkage, filerec) : null;
> 	}
>-	
>+
>+	public long getFileRecord() throws CoreException {
>+		return linkage.getDB().getRecPtr(record + FILE_REC_OFFSET);
>+	}
>+
>+	void setFile(PDOMFile file) throws CoreException {
>+		linkage.getDB().putRecPtr(record + FILE_REC_OFFSET, file != null ? file.getRecord() : 0);
>+	}
>+
> 	PDOMMacroReferenceName getNextInFile() throws CoreException {
> 		return getNameField(FILE_NEXT_OFFSET);
> 	}
>Index: parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMName.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMName.java,v
>retrieving revision 1.37
>diff -u -r1.37 PDOMName.java
>--- parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMName.java	2 Jul 2009 08:57:38 -0000	1.37
>+++ parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMName.java	19 Jan 2010 00:46:36 -0000
>@@ -8,6 +8,7 @@
>  * Contributors:
>  *    QNX - Initial API and implementation
>  *    Markus Schorn (Wind River Systems)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/
> package org.eclipse.cdt.internal.core.pdom.dom;
> 
>@@ -22,6 +23,7 @@
> import org.eclipse.cdt.core.parser.util.CharArrayUtils;
> import org.eclipse.cdt.internal.core.index.IIndexFragment;
> import org.eclipse.cdt.internal.core.index.IIndexFragmentName;
>+import org.eclipse.cdt.internal.core.pdom.PDOM;
> import org.eclipse.cdt.internal.core.pdom.db.Database;
> import org.eclipse.core.runtime.CoreException;
> import org.eclipse.core.runtime.IPath;
>@@ -121,6 +123,10 @@
> 		linkage.getDB().putRecPtr(record + offset, fieldrec);
> 	}
> 
>+	public PDOM getPDOM() {
>+		return linkage.getPDOM();
>+	}
>+	
> 	public PDOMBinding getBinding() throws CoreException {
> 		long bindingrec = getRecField(BINDING_REC_OFFSET);
> 		return linkage.getBinding(bindingrec);
>@@ -162,6 +168,14 @@
> 		return filerec != 0 ? new PDOMFile(linkage, filerec) : null;
> 	}
> 
>+	public long getFileRecord() throws CoreException {
>+		return linkage.getDB().getRecPtr(record + FILE_REC_OFFSET);
>+	}
>+
>+	void setFile(PDOMFile file) throws CoreException {
>+		linkage.getDB().putRecPtr(record + FILE_REC_OFFSET, file != null ? file.getRecord() : 0);
>+	}
>+
> 	public IIndexName getEnclosingDefinition() throws CoreException {
> 		long namerec = getEnclosingDefinitionRecord();
> 		return namerec != 0 ? new PDOMName(linkage, namerec) : null;
>Index: parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java,v
>retrieving revision 1.141
>diff -u -r1.141 PDOMCPPLinkage.java
>--- parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java	18 Dec 2009 09:58:27 -0000	1.141
>+++ parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java	19 Jan 2010 00:46:36 -0000
>@@ -299,7 +299,7 @@
> 			if (fromName.isDefinition()) {
> 				return true;
> 			}
>-			return !pdomBinding.hasDefinition();
>+			return !getPDOM().hasLastingDefinition(pdomBinding);
> 		}
> 		return false;
> 	}
>@@ -444,8 +444,8 @@
> 					if (!(method instanceof IProblemBinding)) {
> 						PDOMBinding pdomBinding= adaptBinding(method);
> 						if (pdomBinding == null) {
>-							createBinding(type, method, fileLocalRec);
>-						} else if (!pdomBinding.hasDefinition()) {
>+							pdomBinding = createBinding(type, method, fileLocalRec);
>+						} else if (!getPDOM().hasLastingDefinition(pdomBinding)) {
> 							pdomBinding.update(this, method);
> 						}
> 					}
>#P org.eclipse.cdt.core.tests
>Index: parser/org/eclipse/cdt/internal/index/tests/EmptyIndexFragment.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.cdt/all/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/EmptyIndexFragment.java,v
>retrieving revision 1.11
>diff -u -r1.11 EmptyIndexFragment.java
>--- parser/org/eclipse/cdt/internal/index/tests/EmptyIndexFragment.java	4 Jan 2010 09:14:27 -0000	1.11
>+++ parser/org/eclipse/cdt/internal/index/tests/EmptyIndexFragment.java	19 Jan 2010 00:46:36 -0000
>@@ -8,6 +8,7 @@
>  * Contributors:
>  *    Andrew Ferguson (Symbian) - initial API and implementation
>  *    Markus Schorn (Wind River Systems)
>+ *    Sergey Prigogin (Google)
>  *******************************************************************************/
> package org.eclipse.cdt.internal.index.tests;
> 
>@@ -123,6 +124,11 @@
> 	}
> 
> 	public void releaseReadLock() {}
>+
>+	public boolean hasWaitingReaders() {
>+		return false;
>+	}
>+
> 	public void resetCacheCounters() {}
> 
> 	public IIndexFragmentFileSet createFileSet() {

Flags:

eclipse.sprigogin: iplog-

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Attachments on bug 287907: 149821 | 150451 | 150633 | 155176 | 155189 | 155709 | 156475 | 157044 | 157435 | 157438