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Patch for Devin Steffler.

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Fixed Bug 103323 	NPE caused by DOMSearchUtil#getSearchPattern() when IASTName is null
This commit is contained in:
John Camelon 2005-07-13 19:56:39 +00:00
parent 090b00143d
commit 0caa2a5bd5
4 changed files with 110 additions and 48 deletions
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6
core/org.eclipse.cdt.core/search/org/eclipse/cdt/core/search/DOMSearchUtil.java
View file

@ -64,7 +64,8 @@ import org.eclipse.core.runtime.content.IContentType;
* @author dsteffle
*/
public class DOMSearchUtil {
private static final IASTName[] BLANK_NAME_ARRAY = new IASTName[0];
private static final String BLANK_STRING = ""; //$NON-NLS-1$
private static final IASTName[] BLANK_NAME_ARRAY = new IASTName[0];
private static final IASTName[] EMPTY_NAME_LIST = BLANK_NAME_ARRAY;
private static final Set EMPTY_MATCHES = new HashSet(0);
@ -468,6 +469,9 @@ public class DOMSearchUtil {
* @return
*/
public static String getSearchPattern(IASTName name) {
if (name == null)
return BLANK_STRING;
StringBuffer buffer = new StringBuffer();
// first option - use binding to get qualified name
IBinding binding = name.resolveBinding();

34
core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/selectiontests/BaseSelectionTestsIndexer.java
View file

@ -23,6 +23,7 @@ import org.eclipse.cdt.core.index.IndexChangeEvent;
import org.eclipse.cdt.core.search.DOMSearchUtil;
import org.eclipse.cdt.core.testplugin.FileManager;
import org.eclipse.cdt.internal.core.parser.ParserException;
import org.eclipse.cdt.internal.ui.editor.ICEditorActionDefinitionIds;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
@ -32,9 +33,14 @@ import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.text.TextSelection;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.search2.internal.ui.SearchView;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
@ -292,6 +298,34 @@ public class BaseSelectionTestsIndexer extends TestCase {
return null;
}
protected void testSimple_Ctrl_G_Selection(IFile file, int offset, int length, int numOccurrences) throws ParserException {
if (offset < 0)
throw new ParserException("offset can not be less than 0 and was " + offset); //$NON-NLS-1$
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
IEditorPart part = null;
try {
part = page.openEditor(new FileEditorInput(file), "org.eclipse.cdt.ui.editor.CEditor"); //$NON-NLS-1$
} catch (PartInitException e) {
assertFalse(true);
}
if (part instanceof AbstractTextEditor) {
((AbstractTextEditor)part).getSelectionProvider().setSelection(new TextSelection(offset,length));
final IAction action = ((AbstractTextEditor)part).getAction(ICEditorActionDefinitionIds.FIND_DECL);
action.run();
// update the file/part to point to the newly opened IFile/IEditorPart
// IViewPart view = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().findView("org.eclipse.search.ui.views.SearchView");
// String title = view.getTitle();
// assertTrue( title.indexOf(numOccurrences + " Occurrences") >= 0 ); //$NON-NLS-1$
}
}
public void resetIndexer(final String indexerId){
if ( project != null) {
ICDescriptorOperation op = new ICDescriptorOperation() {

22
core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/selectiontests/CPPSelectionTestsDOMIndexer.java
View file

@ -126,6 +126,7 @@ public class CPPSelectionTestsDOMIndexer extends BaseSelectionTestsIndexer imple
suite.addTest(new CPPSelectionTestsDOMIndexer("testBug95229")); //$NON-NLS-1$
suite.addTest(new CPPSelectionTestsDOMIndexer("testBug101287")); //$NON-NLS-1$
suite.addTest(new CPPSelectionTestsDOMIndexer("testBug102258")); //$NON-NLS-1$
suite.addTest(new CPPSelectionTestsDOMIndexer("testBug103323")); //$NON-NLS-1$
return suite;
}
@ -1046,6 +1047,27 @@ public class CPPSelectionTestsDOMIndexer extends BaseSelectionTestsIndexer imple
assertEquals(((ASTNode)decl).getOffset(), 7);
assertEquals(((ASTNode)decl).getLength(), 12);
}
public void testBug103323() throws Exception {
StringBuffer buffer = new StringBuffer();
buffer.append("namespace foo {\n"); //$NON-NLS-1$
buffer.append("int g() {\n"); //$NON-NLS-1$
buffer.append("return 0;\n"); //$NON-NLS-1$
buffer.append("}\n"); //$NON-NLS-1$
buffer.append("}\n"); //$NON-NLS-1$
buffer.append("int f() {\n"); //$NON-NLS-1$
buffer.append("return foo::g();\n"); //$NON-NLS-1$
buffer.append("}\n"); //$NON-NLS-1$
String code = buffer.toString();
IFile file = importFile("testBug103323.cpp", code); //$NON-NLS-1$
int offset = code.indexOf("g();\n"); //$NON-NLS-1$
int length = "g()".length(); //$NON-NLS-1$
testSimple_Ctrl_G_Selection(file, offset, length, 1);
}
// REMINDER: see CPPSelectionTestsDomIndexer#suite() when appending new tests to this suite
}

96
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/DOMQuery.java
View file

@ -94,54 +94,56 @@ public class DOMQuery extends CSearchQuery implements ISearchQuery {
// fix for 43128
Set matches=null;
IASTName[] foundNames=null;
if (!isLocal())
matches = DOMSearchUtil.getMatchesFromSearchEngine(scope, searchName, limitTo);
if (searchName != null) {
if (!isLocal())
matches = DOMSearchUtil.getMatchesFromSearchEngine(scope, searchName, limitTo);
if (matches != null && matches.size() > 0) {
Iterator itr = matches.iterator();
while(itr.hasNext()) {
Object next = itr.next();
if (next instanceof IMatch) {
try {
collector.acceptMatch((IMatch)next);
} catch (CoreException e) {
// don't do anything if the match wasn't accepted
}
}
}
} else { // only search against the DOM if the index failed to get results... i.e. don't want duplicates
foundNames = DOMSearchUtil.getNamesFromDOM(searchName, limitTo);
for (int i=0; i<foundNames.length; i++) {
try {
String fileName = null;
IPath path = null;
int start = 0;
int end = 0;
if ( foundNames[i].getTranslationUnit() != null ) {
IASTFileLocation location = foundNames[i].getFileLocation();
fileName = location.getFileName();
start = location.getNodeOffset();
end = location.getNodeOffset() + location.getNodeLength();
}
path = new Path(fileName);
Object fileResource=null;
IResource res = ParserUtil.getResourceForFilename(fileName);
if (res != null)
fileResource = res;
else {
fileResource = PathUtil.getWorkspaceRelativePath(fileName);
}
collector.acceptMatch( createMatch(fileResource, start, end, foundNames[i], path ) );
} catch (CoreException ce) {}
}
}
}
if (matches != null && matches.size() > 0) {
Iterator itr = matches.iterator();
while(itr.hasNext()) {
Object next = itr.next();
if (next instanceof IMatch) {
try {
collector.acceptMatch((IMatch)next);
} catch (CoreException e) {
// don't do anything if the match wasn't accepted
}
}
}
} else { // only search against the DOM if the index failed to get results... i.e. don't want duplicates
foundNames = DOMSearchUtil.getNamesFromDOM(searchName, limitTo);
for (int i=0; i<foundNames.length; i++) {
try {
String fileName = null;
IPath path = null;
int start = 0;
int end = 0;
if ( foundNames[i].getTranslationUnit() != null ) {
IASTFileLocation location = foundNames[i].getFileLocation();
fileName = location.getFileName();
start = location.getNodeOffset();
end = location.getNodeOffset() + location.getNodeLength();
}
path = new Path(fileName);
Object fileResource=null;
IResource res = ParserUtil.getResourceForFilename(fileName);
if (res != null)
fileResource = res;
else {
fileResource = PathUtil.getWorkspaceRelativePath(fileName);
}
collector.acceptMatch( createMatch(fileResource, start, end, foundNames[i], path ) );
} catch (CoreException ce) {}
}
}
if (searchPattern != null && matches.size() == 0 && (foundNames == null || foundNames.length == 0)) {
if ((searchPattern != null || matches == null || matches.size() == 0) && (foundNames == null || foundNames.length == 0)) {
// last try: search the index for the selected string, even if no name was found for that selection
matches = DOMSearchUtil.getMatchesFromSearchEngine( scope, searchPattern, limitTo );