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Code Issues Wiki Activity

Fix and Testcase for 199412, endless loop computing AST for self-including source-file.

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This commit is contained in:
Markus Schorn 2007-08-23 11:36:21 +00:00
parent 60f62aafa8
commit 33b66fff45
3 changed files with 48 additions and 5 deletions
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37
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexBugsTests.java
View file

@ -60,6 +60,7 @@ import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
@ -1041,5 +1042,39 @@ public class IndexBugsTests extends BaseTestCase {
fIndex.releaseReadLock();
}
}
// #ifndef GUARD
// #include "source.cpp"
// #endif
public void testIncludeSource_Bug199412() throws Exception {
StringBuffer[] contents= getContentsForTest(1);
final IIndexManager indexManager = CCorePlugin.getIndexManager();
IFile f1= TestSourceReader.createFile(fCProject.getProject(), "source.cpp", contents[0].toString());
waitForIndexer();
final ITranslationUnit tu= (ITranslationUnit) fCProject.findElement(new Path("source.cpp"));
Thread th= new Thread() {
public void run() {
try {
tu.getAST(fIndex, ITranslationUnit.AST_CONFIGURE_USING_SOURCE_CONTEXT);
} catch (CoreException e) {
CCorePlugin.log(e);
}
}
};
fIndex.acquireReadLock();
try {
th.start();
th.join(5000);
assertFalse(th.isAlive());
}
finally {
try {
th.stop();
}
finally {
fIndex.releaseReadLock();
}
}
}
}

6
core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/TranslationUnit.java
View file

@ -19,6 +19,7 @@ import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
@ -789,8 +790,11 @@ public class TranslationUnit extends Openable implements ITranslationUnit {
IIndexFile context= null;
IIndexFile indexFile= index.getFile(IndexLocationFactory.getIFL(this));
if (indexFile != null) {
// bug 199412, when a source-file includes itself the context may recurse.
HashSet visited= new HashSet();
visited.add(indexFile);
indexFile = getParsedInContext(indexFile);
while (indexFile != null) {
while (indexFile != null && visited.add(indexFile)) {
context= indexFile;
indexFile= getParsedInContext(indexFile);
}

10
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMFile.java
View file

@ -6,9 +6,9 @@
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Andrew Ferguson (Symbian)
* QNX - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Andrew Ferguson (Symbian)
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom.dom;
@ -107,6 +107,10 @@ public class PDOMFile implements IIndexFragmentFile {
return false;
}
public final int hashCode() {
return System.identityHashCode(pdom) + 41*record;
}
/**
* Directly changes this record's internal location string. The format
* of this string is unspecified in general and is determined by the